Split do_versions into separate files for pre-2.50 versions and 2.5x versions

This should make it easier to navigate through readfile.c and also hopefully
will prevent corereview to fail parsing this file.

5 files changed, 6290 insertions, 5994 deletions

diff --git a/source/blender/blenloader/CMakeLists.txt b/source/blender/blenloader/CMakeLists.txt
index 35271f7b873..a0fe042e7fb 100644
--- a/source/blender/blenloader/CMakeLists.txt
+++ b/source/blender/blenloader/CMakeLists.txt
@@ -44,6 +44,8 @@ set(SRC
 	intern/readfile.c
 	intern/runtime.c
 	intern/undofile.c
+	intern/versioning_250.c
+	intern/versioning_legacy.c
 	intern/writefile.c
 
 	BLO_readfile.h
diff --git a/source/blender/blenloader/intern/readfile.c b/source/blender/blenloader/intern/readfile.c
index df71a9f6494..cab45f58e2e 100644
--- a/source/blender/blenloader/intern/readfile.c
+++ b/source/blender/blenloader/intern/readfile.c
@@ -328,6 +328,11 @@ static void oldnewmap_insert(OldNewMap *onm, void *oldaddr, void *newaddr, int n
 	entry->nr= nr;
 }
 
+void blo_do_versions_oldnewmap_insert(OldNewMap *onm, void *oldaddr, void *newaddr, int nr)
+{
+	oldnewmap_insert(onm, oldaddr, newaddr, nr);
+}
+
 static void *oldnewmap_lookup_and_inc(OldNewMap *onm, void *addr) 
 {
 	int i;
@@ -1177,6 +1182,11 @@ static void *newlibadr(FileData *fd, void *lib, void *adr)		/* only lib data */
 	return oldnewmap_liblookup(fd->libmap, adr, lib);
 }
 
+void *blo_do_versions_newlibadr(FileData *fd, void *lib, void *adr)		/* only lib data */
+{
+	return newlibadr(fd, lib, adr);
+}
+
 static void *newlibadr_us(FileData *fd, void *lib, void *adr)	/* increases user number */
 {
 	ID *id= newlibadr(fd, lib, adr);
@@ -1187,6 +1197,11 @@ static void *newlibadr_us(FileData *fd, void *lib, void *adr)	/* increases user
 	return id;
 }
 
+void *blo_do_versions_newlibadr_us(FileData *fd, void *lib, void *adr)	/* increases user number */
+{
+	return newlibadr_us(fd, lib, adr);
+}
+
 static void change_idid_adr_fd(FileData *fd, void *old, void *new)
 {
 	int i;
@@ -2202,7 +2217,7 @@ static void do_versions_socket_default_value(bNodeSocket *sock)
 	}
 }
 
-static void do_versions_nodetree_default_value(bNodeTree *ntree)
+void blo_do_versions_nodetree_default_value(bNodeTree *ntree)
 {
 	bNode *node;
 	bNodeSocket *sock;
@@ -2225,7 +2240,7 @@ static void lib_nodetree_init_types_cb(void *UNUSED(data), ID *UNUSED(id), bNode
 	ntreeInitTypes(ntree);
 
 	/* need to do this here instead of in do_versions, otherwise next function can crash */
-	do_versions_nodetree_default_value(ntree);
+	blo_do_versions_nodetree_default_value(ntree);
 	
 	/* XXX could be replaced by do_versions for new nodes */
 	for (node=ntree->nodes.first; node; node=node->next)
@@ -5713,7 +5728,7 @@ static void direct_link_region(FileData *fd, ARegion *ar, int spacetype)
 
 /* for the saved 2.50 files without regiondata */
 /* and as patch for 2.48 and older */
-static void view3d_split_250(View3D *v3d, ListBase *regions)
+void blo_do_versions_view3d_split_250(View3D *v3d, ListBase *regions)
 {
 	ARegion *ar;
 	
@@ -5799,7 +5814,7 @@ static void direct_link_screen(FileData *fd, bScreen *sc)
 		}
 		/* add local view3d too */
 		else if (sa->spacetype==SPACE_VIEW3D)
-			view3d_split_250(sa->spacedata.first, &sa->regionbase);
+			blo_do_versions_view3d_split_250(sa->spacedata.first, &sa->regionbase);
 		
 		for (sl= sa->spacedata.first; sl; sl= sl->next) {
 			link_list(fd, &(sl->regionbase));
@@ -5839,7 +5854,7 @@ static void direct_link_screen(FileData *fd, bScreen *sc)
 				if (v3d->drawtype == OB_RENDER)
 					v3d->drawtype = OB_WIRE;
 				
-				view3d_split_250(v3d, &sl->regionbase);
+				blo_do_versions_view3d_split_250(v3d, &sl->regionbase);
 			}
 			else if (sl->spacetype==SPACE_IPO) {
 				SpaceIpo *sipo= (SpaceIpo*)sl;
@@ -6494,1012 +6509,7 @@ static void link_global(FileData *fd, BlendFileData *bfd)
 	}
 }
 
-static void vcol_to_fcol(Mesh *me)
-{
-	MFace *mface;
-	unsigned int *mcol, *mcoln, *mcolmain;
-	int a;
-
-	if (me->totface==0 || me->mcol==NULL) return;
-
-	mcoln= mcolmain= MEM_mallocN(4*sizeof(int)*me->totface, "mcoln");
-	mcol = (unsigned int *)me->mcol;
-	mface= me->mface;
-	for (a=me->totface; a>0; a--, mface++) {
-		mcoln[0]= mcol[mface->v1];
-		mcoln[1]= mcol[mface->v2];
-		mcoln[2]= mcol[mface->v3];
-		mcoln[3]= mcol[mface->v4];
-		mcoln+= 4;
-	}
-
-	MEM_freeN(me->mcol);
-	me->mcol= (MCol *)mcolmain;
-}
-
-static int map_223_keybd_code_to_224_keybd_code(int code)
-{
-	switch (code) {
-		case 312:	return 311; /* F12KEY */
-		case 159:	return 161; /* PADSLASHKEY */
-		case 161:	return 150; /* PAD0 */
-		case 154:	return 151; /* PAD1 */
-		case 150:	return 152; /* PAD2 */
-		case 155:	return 153; /* PAD3 */
-		case 151:	return 154; /* PAD4 */
-		case 156:	return 155; /* PAD5 */
-		case 152:	return 156; /* PAD6 */
-		case 157:	return 157; /* PAD7 */
-		case 153:	return 158; /* PAD8 */
-		case 158:	return 159; /* PAD9 */
-		default: return code;
-	}
-}
-
-static void do_version_bone_head_tail_237(Bone *bone)
-{
-	Bone *child;
-	float vec[3];
-
-	/* head */
-	copy_v3_v3(bone->arm_head, bone->arm_mat[3]);
-
-	/* tail is in current local coord system */
-	copy_v3_v3(vec, bone->arm_mat[1]);
-	mul_v3_fl(vec, bone->length);
-	add_v3_v3v3(bone->arm_tail, bone->arm_head, vec);
-
-	for (child= bone->childbase.first; child; child= child->next)
-		do_version_bone_head_tail_237(child);
-}
-
-static void bone_version_238(ListBase *lb)
-{
-	Bone *bone;
-	
-	for (bone= lb->first; bone; bone= bone->next) {
-		if (bone->rad_tail==0.0f && bone->rad_head==0.0f) {
-			bone->rad_head= 0.25f*bone->length;
-			bone->rad_tail= 0.1f*bone->length;
-			
-			bone->dist-= bone->rad_head;
-			if (bone->dist<=0.0f) bone->dist= 0.0f;
-		}
-		bone_version_238(&bone->childbase);
-	}
-}
-
-static void bone_version_239(ListBase *lb)
-{
-	Bone *bone;
-	
-	for (bone= lb->first; bone; bone= bone->next) {
-		if (bone->layer==0)
-			bone->layer= 1;
-		bone_version_239(&bone->childbase);
-	}
-}
-
-static void ntree_version_241(bNodeTree *ntree)
-{
-	bNode *node;
-	
-	if (ntree->type==NTREE_COMPOSIT) {
-		for (node= ntree->nodes.first; node; node= node->next) {
-			if (node->type==CMP_NODE_BLUR) {
-				if (node->storage==NULL) {
-					NodeBlurData *nbd= MEM_callocN(sizeof(NodeBlurData), "node blur patch");
-					nbd->sizex= node->custom1;
-					nbd->sizey= node->custom2;
-					nbd->filtertype= R_FILTER_QUAD;
-					node->storage= nbd;
-				}
-			}
-			else if (node->type==CMP_NODE_VECBLUR) {
-				if (node->storage==NULL) {
-					NodeBlurData *nbd= MEM_callocN(sizeof(NodeBlurData), "node blur patch");
-					nbd->samples= node->custom1;
-					nbd->maxspeed= node->custom2;
-					nbd->fac= 1.0f;
-					node->storage= nbd;
-				}
-			}
-		}
-	}
-}
-
-static void ntree_version_242(bNodeTree *ntree)
-{
-	bNode *node;
-	
-	if (ntree->type==NTREE_COMPOSIT) {
-		for (node= ntree->nodes.first; node; node= node->next) {
-			if (node->type==CMP_NODE_HUE_SAT) {
-				if (node->storage) {
-					NodeHueSat *nhs= node->storage;
-					if (nhs->val==0.0f) nhs->val= 1.0f;
-				}
-			}
-		}
-	}
-	else if (ntree->type==NTREE_SHADER) {
-		for (node= ntree->nodes.first; node; node= node->next)
-			if (node->type == SH_NODE_GEOMETRY && node->storage == NULL)
-				node->storage= MEM_callocN(sizeof(NodeGeometry), "NodeGeometry");
-	}
-	
-}
-
-static void customdata_version_242(Mesh *me)
-{
-	CustomDataLayer *layer;
-	MTFace *mtf;
-	MCol *mcol;
-	TFace *tf;
-	int a, mtfacen, mcoln;
-
-	if (!me->vdata.totlayer) {
-		CustomData_add_layer(&me->vdata, CD_MVERT, CD_ASSIGN, me->mvert, me->totvert);
-
-		if (me->msticky)
-			CustomData_add_layer(&me->vdata, CD_MSTICKY, CD_ASSIGN, me->msticky, me->totvert);
-		if (me->dvert)
-			CustomData_add_layer(&me->vdata, CD_MDEFORMVERT, CD_ASSIGN, me->dvert, me->totvert);
-	}
-
-	if (!me->edata.totlayer)
-		CustomData_add_layer(&me->edata, CD_MEDGE, CD_ASSIGN, me->medge, me->totedge);
-	
-	if (!me->fdata.totlayer) {
-		CustomData_add_layer(&me->fdata, CD_MFACE, CD_ASSIGN, me->mface, me->totface);
-
-		if (me->tface) {
-			if (me->mcol)
-				MEM_freeN(me->mcol);
-
-			me->mcol= CustomData_add_layer(&me->fdata, CD_MCOL, CD_CALLOC, NULL, me->totface);
-			me->mtface= CustomData_add_layer(&me->fdata, CD_MTFACE, CD_CALLOC, NULL, me->totface);
-
-			mtf= me->mtface;
-			mcol= me->mcol;
-			tf= me->tface;
-
-			for (a=0; a < me->totface; a++, mtf++, tf++, mcol+=4) {
-				memcpy(mcol, tf->col, sizeof(tf->col));
-				memcpy(mtf->uv, tf->uv, sizeof(tf->uv));
-
-				mtf->flag= tf->flag;
-				mtf->unwrap= tf->unwrap;
-				mtf->mode= tf->mode;
-				mtf->tile= tf->tile;
-				mtf->tpage= tf->tpage;
-				mtf->transp= tf->transp;
-			}
-
-			MEM_freeN(me->tface);
-			me->tface= NULL;
-		}
-		else if (me->mcol) {
-			me->mcol= CustomData_add_layer(&me->fdata, CD_MCOL, CD_ASSIGN, me->mcol, me->totface);
-		}
-	}
-
-	if (me->tface) {
-		MEM_freeN(me->tface);
-		me->tface= NULL;
-	}
-
-	for (a=0, mtfacen=0, mcoln=0; a < me->fdata.totlayer; a++) {
-		layer= &me->fdata.layers[a];
-
-		if (layer->type == CD_MTFACE) {
-			if (layer->name[0] == 0) {
-				if (mtfacen == 0) strcpy(layer->name, "UVMap");
-				else BLI_snprintf(layer->name, sizeof(layer->name), "UVMap.%.3d", mtfacen);
-			}
-			mtfacen++;
-		}
-		else if (layer->type == CD_MCOL) {
-			if (layer->name[0] == 0) {
-				if (mcoln == 0) strcpy(layer->name, "Col");
-				else BLI_snprintf(layer->name, sizeof(layer->name), "Col.%.3d", mcoln);
-			}
-			mcoln++;
-		}
-	}
-
-	mesh_update_customdata_pointers(me, TRUE);
-}
-
-/*only copy render texface layer from active*/
-static void customdata_version_243(Mesh *me)
-{
-	CustomDataLayer *layer;
-	int a;
-
-	for (a=0; a < me->fdata.totlayer; a++) {
-		layer= &me->fdata.layers[a];
-		layer->active_rnd = layer->active;
-	}
-}
-
-/* struct NodeImageAnim moved to ImageUser, and we make it default available */
-static void do_version_ntree_242_2(bNodeTree *ntree)
-{
-	bNode *node;
-	
-	if (ntree->type==NTREE_COMPOSIT) {
-		for (node= ntree->nodes.first; node; node= node->next) {
-			if (ELEM3(node->type, CMP_NODE_IMAGE, CMP_NODE_VIEWER, CMP_NODE_SPLITVIEWER)) {
-				/* only image had storage */
-				if (node->storage) {
-					NodeImageAnim *nia= node->storage;
-					ImageUser *iuser= MEM_callocN(sizeof(ImageUser), "ima user node");
-
-					iuser->frames= nia->frames;
-					iuser->sfra= nia->sfra;
-					iuser->offset= nia->nr-1;
-					iuser->cycl= nia->cyclic;
-					iuser->fie_ima= 2;
-					iuser->ok= 1;
-					
-					node->storage= iuser;
-					MEM_freeN(nia);
-				}
-				else {
-					ImageUser *iuser= node->storage= MEM_callocN(sizeof(ImageUser), "node image user");
-					iuser->sfra= 1;
-					iuser->fie_ima= 2;
-					iuser->ok= 1;
-				}
-			}
-		}
-	}
-}
-
-static void ntree_version_245(FileData *fd, Library *lib, bNodeTree *ntree)
-{
-	bNode *node;
-	NodeTwoFloats *ntf;
-	ID *nodeid;
-	Image *image;
-	ImageUser *iuser;
-
-	if (ntree->type==NTREE_COMPOSIT) {
-		for (node= ntree->nodes.first; node; node= node->next) {
-			if (node->type == CMP_NODE_ALPHAOVER) {
-				if (!node->storage) {
-					ntf= MEM_callocN(sizeof(NodeTwoFloats), "NodeTwoFloats");
-					node->storage= ntf;
-					if (node->custom1)
-						ntf->x= 1.0f;
-				}
-			}
-			
-			/* fix for temporary flag changes during 245 cycle */
-			nodeid= newlibadr(fd, lib, node->id);
-			if (node->storage && nodeid && GS(nodeid->name) == ID_IM) {
-				image= (Image*)nodeid;
-				iuser= node->storage;
-				if (iuser->flag & IMA_OLD_PREMUL) {
-					iuser->flag &= ~IMA_OLD_PREMUL;
-					iuser->flag |= IMA_DO_PREMUL;
-				}
-				if (iuser->flag & IMA_DO_PREMUL) {
-					image->flag &= ~IMA_OLD_PREMUL;
-					image->flag |= IMA_DO_PREMUL;
-				}
-			}
-		}
-	}
-}
-
-static void idproperties_fix_groups_lengths_recurse(IDProperty *prop)
-{
-	IDProperty *loop;
-	int i;
-	
-	for (loop=prop->data.group.first, i=0; loop; loop=loop->next, i++) {
-		if (loop->type == IDP_GROUP) idproperties_fix_groups_lengths_recurse(loop);
-	}
-	
-	if (prop->len != i) {
-		printf("Found and fixed bad id property group length.\n");
-		prop->len = i;
-	}
-}
-
-static void idproperties_fix_group_lengths(ListBase idlist)
-{
-	ID *id;
-	
-	for (id=idlist.first; id; id=id->next) {
-		if (id->properties) {
-			idproperties_fix_groups_lengths_recurse(id->properties);
-		}
-	}
-}
-
-static void alphasort_version_246(FileData *fd, Library *lib, Mesh *me)
-{
-	Material *ma;
-	MFace *mf;
-	MTFace *tf;
-	int a, b, texalpha;
-
-	/* verify we have a tface layer */
-	for (b=0; b<me->fdata.totlayer; b++)
-		if (me->fdata.layers[b].type == CD_MTFACE)
-			break;
-	
-	if (b == me->fdata.totlayer)
-		return;
-
-	/* if we do, set alpha sort if the game engine did it before */
-	for (a=0, mf=me->mface; a<me->totface; a++, mf++) {
-		if (mf->mat_nr < me->totcol) {
-			ma= newlibadr(fd, lib, me->mat[mf->mat_nr]);
-			texalpha = 0;
-
-			/* we can't read from this if it comes from a library,
-			 * because direct_link might not have happened on it,
-			 * so ma->mtex is not pointing to valid memory yet */
-			if (ma && ma->id.lib)
-				ma= NULL;
-
-			for (b=0; ma && b<MAX_MTEX; b++)
-				if (ma->mtex && ma->mtex[b] && ma->mtex[b]->mapto & MAP_ALPHA)
-					texalpha = 1;
-		}
-		else {
-			ma= NULL;
-			texalpha = 0;
-		}
-
-		for (b=0; b<me->fdata.totlayer; b++) {
-			if (me->fdata.layers[b].type == CD_MTFACE) {
-				tf = ((MTFace*)me->fdata.layers[b].data) + a;
-
-				tf->mode &= ~TF_ALPHASORT;
-				if (ma && (ma->mode & MA_ZTRANSP))
-					if (ELEM(tf->transp, TF_ALPHA, TF_ADD) || (texalpha && (tf->transp != TF_CLIP)))
-						tf->mode |= TF_ALPHASORT;
-			}
-		}
-	}
-}
-
-/* 2.50 patch */
-static void area_add_header_region(ScrArea *sa, ListBase *lb)
-{
-	ARegion *ar= MEM_callocN(sizeof(ARegion), "area region from do_versions");
-	
-	BLI_addtail(lb, ar);
-	ar->regiontype= RGN_TYPE_HEADER;
-	if (sa->headertype==HEADERDOWN)
-		ar->alignment= RGN_ALIGN_BOTTOM;
-	else
-		ar->alignment= RGN_ALIGN_TOP;
-	
-	/* initialize view2d data for header region, to allow panning */
-	/* is copy from ui_view2d.c */
-	ar->v2d.keepzoom = (V2D_LOCKZOOM_X|V2D_LOCKZOOM_Y|V2D_LIMITZOOM|V2D_KEEPASPECT);
-	ar->v2d.keepofs = V2D_LOCKOFS_Y;
-	ar->v2d.keeptot = V2D_KEEPTOT_STRICT; 
-	ar->v2d.align = V2D_ALIGN_NO_NEG_X|V2D_ALIGN_NO_NEG_Y;
-	ar->v2d.flag = (V2D_PIXELOFS_X|V2D_PIXELOFS_Y);
-}
-
-static void sequencer_init_preview_region(ARegion* ar)
-{
-	// XXX a bit ugly still, copied from space_sequencer
-	/* NOTE: if you change values here, also change them in space_sequencer.c, sequencer_new */
-	ar->regiontype= RGN_TYPE_PREVIEW;
-	ar->alignment= RGN_ALIGN_TOP;
-	ar->flag |= RGN_FLAG_HIDDEN;
-	ar->v2d.keepzoom= V2D_KEEPASPECT | V2D_KEEPZOOM;
-	ar->v2d.minzoom= 0.00001f;
-	ar->v2d.maxzoom= 100000.0f;
-	ar->v2d.tot.xmin = -960.0f; /* 1920 width centered */
-	ar->v2d.tot.ymin = -540.0f; /* 1080 height centered */
-	ar->v2d.tot.xmax = 960.0f;
-	ar->v2d.tot.ymax = 540.0f;
-	ar->v2d.min[0]= 0.0f;
-	ar->v2d.min[1]= 0.0f;
-	ar->v2d.max[0]= 12000.0f;
-	ar->v2d.max[1]= 12000.0f;
-	ar->v2d.cur= ar->v2d.tot;
-	ar->v2d.align= V2D_ALIGN_FREE; // (V2D_ALIGN_NO_NEG_X|V2D_ALIGN_NO_NEG_Y);
-	ar->v2d.keeptot= V2D_KEEPTOT_FREE;
-}
-
-/* 2.50 patch */
-static void area_add_window_regions(ScrArea *sa, SpaceLink *sl, ListBase *lb)
-{
-	ARegion *ar;
-	ARegion *ar_main;
-
-	if (sl) {
-		/* first channels for ipo action nla... */
-		switch (sl->spacetype) {
-			case SPACE_IPO:
-				ar= MEM_callocN(sizeof(ARegion), "area region from do_versions");
-				BLI_addtail(lb, ar);
-				ar->regiontype= RGN_TYPE_CHANNELS;
-				ar->alignment= RGN_ALIGN_LEFT; 
-				ar->v2d.scroll= (V2D_SCROLL_RIGHT|V2D_SCROLL_BOTTOM);
-				
-					// for some reason, this doesn't seem to go auto like for NLA...
-				ar= MEM_callocN(sizeof(ARegion), "area region from do_versions");
-				BLI_addtail(lb, ar);
-				ar->regiontype= RGN_TYPE_UI;
-				ar->alignment= RGN_ALIGN_RIGHT;
-				ar->v2d.scroll= V2D_SCROLL_RIGHT;
-				ar->v2d.flag = RGN_FLAG_HIDDEN;
-				break;
-				
-			case SPACE_ACTION:
-				ar= MEM_callocN(sizeof(ARegion), "area region from do_versions");
-				BLI_addtail(lb, ar);
-				ar->regiontype= RGN_TYPE_CHANNELS;
-				ar->alignment= RGN_ALIGN_LEFT;
-				ar->v2d.scroll= V2D_SCROLL_BOTTOM;
-				ar->v2d.flag = V2D_VIEWSYNC_AREA_VERTICAL;
-				break;
-				
-			case SPACE_NLA:
-				ar= MEM_callocN(sizeof(ARegion), "area region from do_versions");
-				BLI_addtail(lb, ar);
-				ar->regiontype= RGN_TYPE_CHANNELS;
-				ar->alignment= RGN_ALIGN_LEFT;
-				ar->v2d.scroll= V2D_SCROLL_BOTTOM;
-				ar->v2d.flag = V2D_VIEWSYNC_AREA_VERTICAL;
-				
-					// for some reason, some files still don't get this auto
-				ar= MEM_callocN(sizeof(ARegion), "area region from do_versions");
-				BLI_addtail(lb, ar);
-				ar->regiontype= RGN_TYPE_UI;
-				ar->alignment= RGN_ALIGN_RIGHT;
-				ar->v2d.scroll= V2D_SCROLL_RIGHT;
-				ar->v2d.flag = RGN_FLAG_HIDDEN;
-				break;
-				
-			case SPACE_NODE:
-				ar= MEM_callocN(sizeof(ARegion), "nodetree area for node");
-				BLI_addtail(lb, ar);
-				ar->regiontype= RGN_TYPE_UI;
-				ar->alignment= RGN_ALIGN_LEFT;
-				ar->v2d.scroll = (V2D_SCROLL_RIGHT|V2D_SCROLL_BOTTOM);
-				ar->v2d.flag = V2D_VIEWSYNC_AREA_VERTICAL;
-				/* temporarily hide it */
-				ar->flag = RGN_FLAG_HIDDEN;
-				break;
-			case SPACE_FILE:
-				ar= MEM_callocN(sizeof(ARegion), "nodetree area for node");
-				BLI_addtail(lb, ar);
-				ar->regiontype= RGN_TYPE_CHANNELS;
-				ar->alignment= RGN_ALIGN_LEFT;
-
-				ar= MEM_callocN(sizeof(ARegion), "ui area for file");
-				BLI_addtail(lb, ar);
-				ar->regiontype= RGN_TYPE_UI;
-				ar->alignment= RGN_ALIGN_TOP;
-				break;
-			case SPACE_SEQ:
-				ar_main = (ARegion*)lb->first;
-				for (; ar_main; ar_main = ar_main->next) {
-					if (ar_main->regiontype == RGN_TYPE_WINDOW)
-						break;
-				}
-				ar= MEM_callocN(sizeof(ARegion), "preview area for sequencer");
-				BLI_insertlinkbefore(lb, ar_main, ar);
-				sequencer_init_preview_region(ar);
-				break;
-			case SPACE_VIEW3D:
-				/* toolbar */
-				ar= MEM_callocN(sizeof(ARegion), "toolbar for view3d");
-				
-				BLI_addtail(lb, ar);
-				ar->regiontype= RGN_TYPE_TOOLS;
-				ar->alignment= RGN_ALIGN_LEFT;
-				ar->flag = RGN_FLAG_HIDDEN;
-				
-				/* tool properties */
-				ar= MEM_callocN(sizeof(ARegion), "tool properties for view3d");
-				
-				BLI_addtail(lb, ar);
-				ar->regiontype= RGN_TYPE_TOOL_PROPS;
-				ar->alignment= RGN_ALIGN_BOTTOM|RGN_SPLIT_PREV;
-				ar->flag = RGN_FLAG_HIDDEN;
-				
-				/* buttons/list view */
-				ar= MEM_callocN(sizeof(ARegion), "buttons for view3d");
-				
-				BLI_addtail(lb, ar);
-				ar->regiontype= RGN_TYPE_UI;
-				ar->alignment= RGN_ALIGN_RIGHT;
-				ar->flag = RGN_FLAG_HIDDEN;
-#if 0
-			case SPACE_BUTS:
-				/* context UI region */
-				ar= MEM_callocN(sizeof(ARegion), "area region from do_versions");
-				BLI_addtail(lb, ar);
-				ar->regiontype= RGN_TYPE_UI;
-				ar->alignment= RGN_ALIGN_RIGHT;
-				
-				break;
-#endif
-		}
-	}
-
-	/* main region */
-	ar= MEM_callocN(sizeof(ARegion), "area region from do_versions");
-	
-	BLI_addtail(lb, ar);
-	ar->winrct= sa->totrct;
-	
-	ar->regiontype= RGN_TYPE_WINDOW;
-	
-	if (sl) {
-		/* if active spacetype has view2d data, copy that over to main region */
-		/* and we split view3d */
-		switch (sl->spacetype) {
-			case SPACE_VIEW3D:
-				view3d_split_250((View3D *)sl, lb);
-				break;		
-						
-			case SPACE_OUTLINER:
-			{
-				SpaceOops *soops= (SpaceOops *)sl;
-				
-				memcpy(&ar->v2d, &soops->v2d, sizeof(View2D));
-				
-				ar->v2d.scroll &= ~V2D_SCROLL_LEFT;
-				ar->v2d.scroll |= (V2D_SCROLL_RIGHT|V2D_SCROLL_BOTTOM_O);
-				ar->v2d.align = (V2D_ALIGN_NO_NEG_X|V2D_ALIGN_NO_POS_Y);
-				ar->v2d.keepzoom |= (V2D_LOCKZOOM_X|V2D_LOCKZOOM_Y|V2D_KEEPASPECT);
-				ar->v2d.keeptot = V2D_KEEPTOT_STRICT;
-				ar->v2d.minzoom= ar->v2d.maxzoom= 1.0f;
-				//ar->v2d.flag |= V2D_IS_INITIALISED;
-			}
-				break;
-			case SPACE_TIME:
-			{
-				SpaceTime *stime= (SpaceTime *)sl;
-				memcpy(&ar->v2d, &stime->v2d, sizeof(View2D));
-				
-				ar->v2d.scroll |= (V2D_SCROLL_BOTTOM|V2D_SCROLL_SCALE_HORIZONTAL);
-				ar->v2d.align |= V2D_ALIGN_NO_NEG_Y;
-				ar->v2d.keepofs |= V2D_LOCKOFS_Y;
-				ar->v2d.keepzoom |= V2D_LOCKZOOM_Y;
-				ar->v2d.tot.ymin = ar->v2d.cur.ymin = -10.0;
-				ar->v2d.min[1]= ar->v2d.max[1]= 20.0;
-			}
-				break;
-			case SPACE_IPO:
-			{
-				SpaceIpo *sipo= (SpaceIpo *)sl;
-				memcpy(&ar->v2d, &sipo->v2d, sizeof(View2D));
-				
-				/* init mainarea view2d */
-				ar->v2d.scroll |= (V2D_SCROLL_BOTTOM|V2D_SCROLL_SCALE_HORIZONTAL);
-				ar->v2d.scroll |= (V2D_SCROLL_LEFT|V2D_SCROLL_SCALE_VERTICAL);
-				
-				ar->v2d.min[0]= FLT_MIN;
-				ar->v2d.min[1]= FLT_MIN;
-				
-				ar->v2d.max[0]= MAXFRAMEF;
-				ar->v2d.max[1]= FLT_MAX;
-				
-				//ar->v2d.flag |= V2D_IS_INITIALISED;
-				break;
-			}
-			case SPACE_NLA:
-			{
-				SpaceNla *snla= (SpaceNla *)sl;
-				memcpy(&ar->v2d, &snla->v2d, sizeof(View2D));
-				
-				ar->v2d.tot.ymin = (float)(-sa->winy)/3.0f;
-				ar->v2d.tot.ymax = 0.0f;
-				
-				ar->v2d.scroll |= (V2D_SCROLL_BOTTOM|V2D_SCROLL_SCALE_HORIZONTAL);
-				ar->v2d.scroll |= (V2D_SCROLL_RIGHT);
-				ar->v2d.align = V2D_ALIGN_NO_POS_Y;
-				ar->v2d.flag |= V2D_VIEWSYNC_AREA_VERTICAL;
-				break;
-			}
-			case SPACE_ACTION:
-			{
-				SpaceAction *saction= (SpaceAction *)sl;
-				
-				/* we totally reinit the view for the Action Editor, as some old instances had some weird cruft set */
-				ar->v2d.tot.xmin = -20.0f;
-				ar->v2d.tot.ymin = (float)(-sa->winy)/3.0f;
-				ar->v2d.tot.xmax = (float)((sa->winx > 120)? (sa->winx) : 120);
-				ar->v2d.tot.ymax = 0.0f;
-				
-				ar->v2d.cur= ar->v2d.tot;
-				
-				ar->v2d.min[0]= 0.0f;
-				ar->v2d.min[1]= 0.0f;
-				
-				ar->v2d.max[0]= MAXFRAMEF;
-				ar->v2d.max[1]= FLT_MAX;
-
-				ar->v2d.minzoom= 0.01f;
-				ar->v2d.maxzoom= 50;
-				ar->v2d.scroll = (V2D_SCROLL_BOTTOM|V2D_SCROLL_SCALE_HORIZONTAL);
-				ar->v2d.scroll |= (V2D_SCROLL_RIGHT);
-				ar->v2d.keepzoom= V2D_LOCKZOOM_Y;
-				ar->v2d.align= V2D_ALIGN_NO_POS_Y;
-				ar->v2d.flag = V2D_VIEWSYNC_AREA_VERTICAL;
-				
-				/* for old files with ShapeKey editors open + an action set, clear the action as 
-				 * it doesn't make sense in the new system (i.e. violates concept that ShapeKey edit
-				 * only shows ShapeKey-rooted actions only)
-				 */
-				if (saction->mode == SACTCONT_SHAPEKEY)
-					saction->action = NULL;
-				break;
-			}
-			case SPACE_SEQ:
-			{
-				SpaceSeq *sseq= (SpaceSeq *)sl;
-				memcpy(&ar->v2d, &sseq->v2d, sizeof(View2D));
-				
-				ar->v2d.scroll |= (V2D_SCROLL_BOTTOM|V2D_SCROLL_SCALE_HORIZONTAL);
-				ar->v2d.scroll |= (V2D_SCROLL_LEFT|V2D_SCROLL_SCALE_VERTICAL);
-				ar->v2d.align= V2D_ALIGN_NO_NEG_Y;
-				ar->v2d.flag |= V2D_IS_INITIALISED;
-				break;
-			}
-			case SPACE_NODE:
-			{
-				SpaceNode *snode= (SpaceNode *)sl;
-				memcpy(&ar->v2d, &snode->v2d, sizeof(View2D));
-				
-				ar->v2d.scroll= (V2D_SCROLL_RIGHT|V2D_SCROLL_BOTTOM);
-				ar->v2d.keepzoom= V2D_LIMITZOOM|V2D_KEEPASPECT;
-				break;
-			}
-			case SPACE_BUTS:
-			{
-				SpaceButs *sbuts= (SpaceButs *)sl;
-				memcpy(&ar->v2d, &sbuts->v2d, sizeof(View2D));
-				
-				ar->v2d.scroll |= (V2D_SCROLL_RIGHT|V2D_SCROLL_BOTTOM); 
-				break;
-			}
-			case SPACE_FILE:
-			 {
-				// SpaceFile *sfile= (SpaceFile *)sl;
-				ar->v2d.tot.xmin = ar->v2d.tot.ymin = 0;
-				ar->v2d.tot.xmax = ar->winx;
-				ar->v2d.tot.ymax = ar->winy;
-				ar->v2d.cur = ar->v2d.tot;
-				ar->regiontype= RGN_TYPE_WINDOW;
-				ar->v2d.scroll = (V2D_SCROLL_RIGHT|V2D_SCROLL_BOTTOM_O);
-				ar->v2d.align = (V2D_ALIGN_NO_NEG_X|V2D_ALIGN_NO_POS_Y);
-				ar->v2d.keepzoom = (V2D_LOCKZOOM_X|V2D_LOCKZOOM_Y|V2D_LIMITZOOM|V2D_KEEPASPECT);
-				break;
-			}
-			case SPACE_TEXT:
-			{
-				SpaceText *st= (SpaceText *)sl;
-				st->flags |= ST_FIND_WRAP;
-			}
-				//case SPACE_XXX: // FIXME... add other ones
-				//	memcpy(&ar->v2d, &((SpaceXxx *)sl)->v2d, sizeof(View2D));
-				//	break;
-		}
-	}
-}
-
-static void do_versions_windowmanager_2_50(bScreen *screen)
-{
-	ScrArea *sa;
-	SpaceLink *sl;
-	
-	/* add regions */
-	for (sa= screen->areabase.first; sa; sa= sa->next) {
-		
-		/* we keep headertype variable to convert old files only */
-		if (sa->headertype)
-			area_add_header_region(sa, &sa->regionbase);
-		
-		area_add_window_regions(sa, sa->spacedata.first, &sa->regionbase);
-		
-		/* space imageselect is deprecated */
-		for (sl= sa->spacedata.first; sl; sl= sl->next) {
-			if (sl->spacetype==SPACE_IMASEL)
-				sl->spacetype= SPACE_EMPTY;	/* spacedata then matches */
-		}
-		
-		/* space sound is deprecated */
-		for (sl= sa->spacedata.first; sl; sl= sl->next) {
-			if (sl->spacetype==SPACE_SOUND)
-				sl->spacetype= SPACE_EMPTY;	/* spacedata then matches */
-		}
-		
-		/* it seems to be possible in 2.5 to have this saved, filewindow probably */
-		sa->butspacetype= sa->spacetype;
-		
-		/* pushed back spaces also need regions! */
-		if (sa->spacedata.first) {
-			sl= sa->spacedata.first;
-			for (sl= sl->next; sl; sl= sl->next) {
-				if (sa->headertype)
-					area_add_header_region(sa, &sl->regionbase);
-				area_add_window_regions(sa, sl, &sl->regionbase);
-			}
-		}
-	}
-}
-
-static void versions_gpencil_add_main(ListBase *lb, ID *id, const char *name)
-{
-	
-	BLI_addtail(lb, id);
-	id->us= 1;
-	id->flag= LIB_FAKEUSER;
-	*( (short *)id->name )= ID_GD;
-	
-	new_id(lb, id, name);
-	/* alphabetic insterion: is in new_id */
-	
-	if (G.debug & G_DEBUG)
-		printf("Converted GPencil to ID: %s\n", id->name+2);
-}
-
-static void do_versions_gpencil_2_50(Main *main, bScreen *screen)
-{
-	ScrArea *sa;
-	SpaceLink *sl;
-	
-	/* add regions */
-	for (sa= screen->areabase.first; sa; sa= sa->next) {
-		for (sl= sa->spacedata.first; sl; sl= sl->next) {
-			if (sl->spacetype==SPACE_VIEW3D) {
-				View3D *v3d= (View3D*) sl;
-				if (v3d->gpd) {
-					versions_gpencil_add_main(&main->gpencil, (ID *)v3d->gpd, "GPencil View3D");
-					v3d->gpd= NULL;
-				}
-			}
-			else if (sl->spacetype==SPACE_NODE) {
-				SpaceNode *snode= (SpaceNode *)sl;
-				if (snode->gpd) {
-					versions_gpencil_add_main(&main->gpencil, (ID *)snode->gpd, "GPencil Node");
-					snode->gpd= NULL;
-				}
-			}
-			else if (sl->spacetype==SPACE_SEQ) {
-				SpaceSeq *sseq= (SpaceSeq *)sl;
-				if (sseq->gpd) {
-					versions_gpencil_add_main(&main->gpencil, (ID *)sseq->gpd, "GPencil Node");
-					sseq->gpd= NULL;
-				}
-			}
-			else if (sl->spacetype==SPACE_IMAGE) {
-				SpaceImage *sima= (SpaceImage *)sl;
-#if 0			/* see comment on r28002 */
-				if (sima->gpd) {
-					versions_gpencil_add_main(&main->gpencil, (ID *)sima->gpd, "GPencil Image");
-					sima->gpd= NULL;
-				}
-#else
-				sima->gpd= NULL;
-#endif
-			}
-		}
-	}		
-}
-
 /* deprecated, only keep this for readfile.c */
-static PartEff *do_version_give_parteff_245(Object *ob)
-{
-	PartEff *paf;
-
-	paf= ob->effect.first;
-	while (paf) {
-		if (paf->type==EFF_PARTICLE) return paf;
-		paf= paf->next;
-	}
-	return NULL;
-}
-static void do_version_free_effect_245(Effect *eff)
-{
-	PartEff *paf;
-
-	if (eff->type==EFF_PARTICLE) {
-		paf= (PartEff *)eff;
-		if (paf->keys) MEM_freeN(paf->keys);
-	}
-	MEM_freeN(eff);
-}
-static void do_version_free_effects_245(ListBase *lb)
-{
-	Effect *eff;
-
-	eff= lb->first;
-	while (eff) {
-		BLI_remlink(lb, eff);
-		do_version_free_effect_245(eff);
-		eff= lb->first;
-	}
-}
-
-static void do_version_mtex_factor_2_50(MTex **mtex_array, short idtype)
-{
-	MTex *mtex;
-	float varfac, colfac;
-	int a, neg;
-
-	if (!mtex_array)
-		return;
-
-	for (a=0; a<MAX_MTEX; a++) {
-		if (mtex_array[a]) {
-			mtex= mtex_array[a];
-
-			neg= mtex->maptoneg;
-			varfac= mtex->varfac;
-			colfac= mtex->colfac;
-
-			if (neg & MAP_DISP) mtex->dispfac= -mtex->dispfac;
-			if (neg & MAP_NORM) mtex->norfac= -mtex->norfac;
-			if (neg & MAP_WARP) mtex->warpfac= -mtex->warpfac;
-
-			mtex->colspecfac= (neg & MAP_COLSPEC)? -colfac: colfac;
-			mtex->mirrfac= (neg & MAP_COLMIR)? -colfac: colfac;
-			mtex->alphafac= (neg & MAP_ALPHA)? -varfac: varfac;
-			mtex->difffac= (neg & MAP_REF)? -varfac: varfac;
-			mtex->specfac= (neg & MAP_SPEC)? -varfac: varfac;
-			mtex->emitfac= (neg & MAP_EMIT)? -varfac: varfac;
-			mtex->hardfac= (neg & MAP_HAR)? -varfac: varfac;
-			mtex->raymirrfac= (neg & MAP_RAYMIRR)? -varfac: varfac;
-			mtex->translfac= (neg & MAP_TRANSLU)? -varfac: varfac;
-			mtex->ambfac= (neg & MAP_AMB)? -varfac: varfac;
-			mtex->colemitfac= (neg & MAP_EMISSION_COL)? -colfac: colfac;
-			mtex->colreflfac= (neg & MAP_REFLECTION_COL)? -colfac: colfac;
-			mtex->coltransfac= (neg & MAP_TRANSMISSION_COL)? -colfac: colfac;
-			mtex->densfac= (neg & MAP_DENSITY)? -varfac: varfac;
-			mtex->scatterfac= (neg & MAP_SCATTERING)? -varfac: varfac;
-			mtex->reflfac= (neg & MAP_REFLECTION)? -varfac: varfac;
-
-			mtex->timefac= (neg & MAP_PA_TIME)? -varfac: varfac;
-			mtex->lengthfac= (neg & MAP_PA_LENGTH)? -varfac: varfac;
-			mtex->clumpfac= (neg & MAP_PA_CLUMP)? -varfac: varfac;
-			mtex->kinkfac= (neg & MAP_PA_KINK)? -varfac: varfac;
-			mtex->roughfac= (neg & MAP_PA_ROUGH)? -varfac: varfac;
-			mtex->padensfac= (neg & MAP_PA_DENS)? -varfac: varfac;
-			mtex->lifefac= (neg & MAP_PA_LIFE)? -varfac: varfac;
-			mtex->sizefac= (neg & MAP_PA_SIZE)? -varfac: varfac;
-			mtex->ivelfac= (neg & MAP_PA_IVEL)? -varfac: varfac;
-
-			mtex->shadowfac= (neg & LAMAP_SHAD)? -colfac: colfac;
-
-			mtex->zenupfac= (neg & WOMAP_ZENUP)? -colfac: colfac;
-			mtex->zendownfac= (neg & WOMAP_ZENDOWN)? -colfac: colfac;
-			mtex->blendfac= (neg & WOMAP_BLEND)? -varfac: varfac;
-
-			if (idtype == ID_MA)
-				mtex->colfac= (neg & MAP_COL)? -colfac: colfac;
-			else if (idtype == ID_LA)
-				mtex->colfac= (neg & LAMAP_COL)? -colfac: colfac;
-			else if (idtype == ID_WO)
-				mtex->colfac= (neg & WOMAP_HORIZ)? -colfac: colfac;
-		}
-	}
-}
-
-static void do_version_mdef_250(Main *main)
-{
-	Object *ob;
-	ModifierData *md;
-	MeshDeformModifierData *mmd;
-
-	for (ob= main->object.first; ob; ob=ob->id.next) {
-		for (md=ob->modifiers.first; md; md=md->next) {
-			if (md->type == eModifierType_MeshDeform) {
-				mmd= (MeshDeformModifierData*)md;
-
-				if (mmd->bindcos) {
-					/* make bindcos NULL in order to trick older versions
-					 * into thinking that the mesh was not bound yet */
-					mmd->bindcagecos= mmd->bindcos;
-					mmd->bindcos= NULL;
-
-					modifier_mdef_compact_influences(md);
-				}
-			}
-		}
-	}
-}
-
-static void do_version_constraints_radians_degrees_250(ListBase *lb)
-{
-	bConstraint *con;
-
-	for	(con=lb->first; con; con=con->next) {
-		if (con->type==CONSTRAINT_TYPE_RIGIDBODYJOINT) {
-			bRigidBodyJointConstraint *data = con->data;
-			data->axX *= (float)(M_PI/180.0);
-			data->axY *= (float)(M_PI/180.0);
-			data->axZ *= (float)(M_PI/180.0);
-		}
-		else if (con->type==CONSTRAINT_TYPE_KINEMATIC) {
-			bKinematicConstraint *data = con->data;
-			data->poleangle *= (float)(M_PI/180.0);
-		}
-		else if (con->type==CONSTRAINT_TYPE_ROTLIMIT) {
-			bRotLimitConstraint *data = con->data;
-
-			data->xmin *= (float)(M_PI/180.0);
-			data->xmax *= (float)(M_PI/180.0);
-			data->ymin *= (float)(M_PI/180.0);
-			data->ymax *= (float)(M_PI/180.0);
-			data->zmin *= (float)(M_PI/180.0);
-			data->zmax *= (float)(M_PI/180.0);
-		}
-	}
-}
-
-/* NOTE: this version patch is intended for versions < 2.52.2, but was initially introduced in 2.27 already */
-static void do_version_old_trackto_to_constraints(Object *ob)
-{
-	/* create new trackto constraint from the relationship */
-	if (ob->track) {
-		bConstraint *con= add_ob_constraint(ob, "AutoTrack", CONSTRAINT_TYPE_TRACKTO);
-		bTrackToConstraint *data = con->data;
-		
-		/* copy tracking settings from the object */
-		data->tar = ob->track;
-		data->reserved1 = ob->trackflag;
-		data->reserved2 = ob->upflag;
-	}
-	
-	/* clear old track setting */
-	ob->track = NULL;
-}
-
-static void do_versions_seq_unique_name_all_strips(
-	Scene * sce, ListBase *seqbasep)
-{
-	Sequence * seq = seqbasep->first;
-
-	while (seq) {
-		seqbase_unique_name_recursive(&sce->ed->seqbase, seq);
-		if (seq->seqbase.first) {
-			do_versions_seq_unique_name_all_strips(
-				sce, &seq->seqbase);
-		}
-		seq=seq->next;
-	}
-}
-
-
-static void do_version_bone_roll_256(Bone *bone)
-{
-	Bone *child;
-	float submat[3][3];
-	
-	copy_m3_m4(submat, bone->arm_mat);
-	mat3_to_vec_roll(submat, NULL, &bone->arm_roll);
-	
-	for (child = bone->childbase.first; child; child = child->next)
-		do_version_bone_roll_256(child);
-}
-
-static void do_versions_nodetree_dynamic_sockets(bNodeTree *ntree)
-{
-	bNodeSocket *sock;
-	for (sock=ntree->inputs.first; sock; sock=sock->next)
-		sock->flag |= SOCK_DYNAMIC;
-	for (sock=ntree->outputs.first; sock; sock=sock->next)
-		sock->flag |= SOCK_DYNAMIC;
-}
-
 void convert_tface_mt(FileData *fd, Main *main)
 {
 	Main *gmain;
@@ -7796,4990 +6806,9 @@ static void do_versions(FileData *fd, Library *lib, Main *main)
 
 	if (G.debug & G_DEBUG)
 		printf("read file %s\n  Version %d sub %d svn r%d\n", fd->relabase, main->versionfile, main->subversionfile, main->revision);
-	
-	if (main->versionfile == 100) {
-		/* tex->extend and tex->imageflag have changed: */
-		Tex *tex = main->tex.first;
-		while (tex) {
-			if (tex->id.flag & LIB_NEEDLINK) {
-
-				if (tex->extend==0) {
-					if (tex->xrepeat || tex->yrepeat) tex->extend= TEX_REPEAT;
-					else {
-						tex->extend= TEX_EXTEND;
-						tex->xrepeat= tex->yrepeat= 1;
-					}
-				}
-
-			}
-			tex= tex->id.next;
-		}
-	}
-	if (main->versionfile <= 101) {
-		/* frame mapping */
-		Scene *sce = main->scene.first;
-		while (sce) {
-			sce->r.framapto= 100;
-			sce->r.images= 100;
-			sce->r.framelen= 1.0;
-			sce= sce->id.next;
-		}
-	}
-	if (main->versionfile <= 102) {
-		/* init halo's at 1.0 */
-		Material *ma = main->mat.first;
-		while (ma) {
-			ma->add= 1.0;
-			ma= ma->id.next;
-		}
-	}
-	if (main->versionfile <= 103) {
-		/* new variable in object: colbits */
-		Object *ob = main->object.first;
-		int a;
-		while (ob) {
-			ob->colbits= 0;
-			if (ob->totcol) {
-				for (a=0; a<ob->totcol; a++) {
-					if (ob->mat[a]) ob->colbits |= (1<<a);
-				}
-			}
-			ob= ob->id.next;
-		}
-	}
-	if (main->versionfile <= 104) {
-		/* timeoffs moved */
-		Object *ob = main->object.first;
-		while (ob) {
-			if (ob->transflag & 1) {
-				ob->transflag -= 1;
-				//ob->ipoflag |= OB_OFFS_OB;
-			}
-			ob= ob->id.next;
-		}
-	}
-	if (main->versionfile <= 105) {
-		Object *ob = main->object.first;
-		while (ob) {
-			ob->dupon= 1; ob->dupoff= 0;
-			ob->dupsta= 1; ob->dupend= 100;
-			ob= ob->id.next;
-		}
-	}
-	if (main->versionfile <= 106) {
-		/* mcol changed */
-		Mesh *me = main->mesh.first;
-		while (me) {
-			if (me->mcol) vcol_to_fcol(me);
-			me= me->id.next;
-		}
-
-	}
-	if (main->versionfile <= 107) {
-		Object *ob;
-		Scene *sce = main->scene.first;
-		while (sce) {
-			sce->r.mode |= R_GAMMA;
-			sce= sce->id.next;
-		}
-		ob= main->object.first;
-		while (ob) {
-			//ob->ipoflag |= OB_OFFS_PARENT;
-			if (ob->dt==0) ob->dt= OB_SOLID;
-			ob= ob->id.next;
-		}
-
-	}
-	if (main->versionfile <= 109) {
-		/* new variable: gridlines */
-		bScreen *sc = main->screen.first;
-		while (sc) {
-			ScrArea *sa= sc->areabase.first;
-			while (sa) {
-				SpaceLink *sl= sa->spacedata.first;
-				while (sl) {
-					if (sl->spacetype==SPACE_VIEW3D) {
-						View3D *v3d= (View3D*) sl;
-
-						if (v3d->gridlines==0) v3d->gridlines= 20;
-					}
-					sl= sl->next;
-				}
-				sa= sa->next;
-			}
-			sc= sc->id.next;
-		}
-	}
-	if (main->versionfile <= 113) {
-		Material *ma = main->mat.first;
-		while (ma) {
-			if (ma->flaresize==0.0f) ma->flaresize= 1.0f;
-			ma->subsize= 1.0f;
-			ma->flareboost= 1.0f;
-			ma= ma->id.next;
-		}
-	}
-
-	if (main->versionfile <= 134) {
-		Tex *tex = main->tex.first;
-		while (tex) {
-			if ((tex->rfac == 0.0f) &&
-				(tex->gfac == 0.0f) &&
-				(tex->bfac == 0.0f)) {
-				tex->rfac = 1.0f;
-				tex->gfac = 1.0f;
-				tex->bfac = 1.0f;
-				tex->filtersize = 1.0f;
-			}
-			tex = tex->id.next;
-		}
-	}
-	if (main->versionfile <= 140) {
-		/* r-g-b-fac in texture */
-		Tex *tex = main->tex.first;
-		while (tex) {
-			if ((tex->rfac == 0.0f) &&
-				(tex->gfac == 0.0f) &&
-				(tex->bfac == 0.0f)) {
-				tex->rfac = 1.0f;
-				tex->gfac = 1.0f;
-				tex->bfac = 1.0f;
-				tex->filtersize = 1.0f;
-			}
-			tex = tex->id.next;
-		}
-	}
-	if (main->versionfile <= 153) {
-		Scene *sce = main->scene.first;
-		while (sce) {
-			if (sce->r.blurfac==0.0f) sce->r.blurfac= 1.0f;
-			sce= sce->id.next;
-		}
-	}
-	if (main->versionfile <= 163) {
-		Scene *sce = main->scene.first;
-		while (sce) {
-			if (sce->r.frs_sec==0) sce->r.frs_sec= 25;
-			sce= sce->id.next;
-		}
-	}
-	if (main->versionfile <= 164) {
-		Mesh *me= main->mesh.first;
-		while (me) {
-			me->smoothresh= 30;
-			me= me->id.next;
-		}
-	}
-	if (main->versionfile <= 165) {
-		Mesh *me= main->mesh.first;
-		TFace *tface;
-		int nr;
-		char *cp;
-
-		while (me) {
-			if (me->tface) {
-				nr= me->totface;
-				tface= me->tface;
-				while (nr--) {
-					cp= (char *)&tface->col[0];
-					if (cp[1]>126) cp[1]= 255; else cp[1]*=2;
-					if (cp[2]>126) cp[2]= 255; else cp[2]*=2;
-					if (cp[3]>126) cp[3]= 255; else cp[3]*=2;
-					cp= (char *)&tface->col[1];
-					if (cp[1]>126) cp[1]= 255; else cp[1]*=2;
-					if (cp[2]>126) cp[2]= 255; else cp[2]*=2;
-					if (cp[3]>126) cp[3]= 255; else cp[3]*=2;
-					cp= (char *)&tface->col[2];
-					if (cp[1]>126) cp[1]= 255; else cp[1]*=2;
-					if (cp[2]>126) cp[2]= 255; else cp[2]*=2;
-					if (cp[3]>126) cp[3]= 255; else cp[3]*=2;
-					cp= (char *)&tface->col[3];
-					if (cp[1]>126) cp[1]= 255; else cp[1]*=2;
-					if (cp[2]>126) cp[2]= 255; else cp[2]*=2;
-					if (cp[3]>126) cp[3]= 255; else cp[3]*=2;
-
-					tface++;
-				}
-			}
-			me= me->id.next;
-		}
-	}
-
-	if (main->versionfile <= 169) {
-		Mesh *me= main->mesh.first;
-		while (me) {
-			if (me->subdiv==0) me->subdiv= 1;
-			me= me->id.next;
-		}
-	}
-
-	if (main->versionfile <= 169) {
-		bScreen *sc= main->screen.first;
-		while (sc) {
-			ScrArea *sa= sc->areabase.first;
-			while (sa) {
-				SpaceLink *sl= sa->spacedata.first;
-				while (sl) {
-					if (sl->spacetype==SPACE_IPO) {
-						SpaceIpo *sipo= (SpaceIpo*) sl;
-						sipo->v2d.max[0]= 15000.0;
-					}
-					sl= sl->next;
-				}
-				sa= sa->next;
-			}
-			sc= sc->id.next;
-		}
-	}
-
-	if (main->versionfile <= 170) {
-		Object *ob = main->object.first;
-		PartEff *paf;
-		while (ob) {
-			paf = do_version_give_parteff_245(ob);
-			if (paf) {
-				if (paf->staticstep == 0) {
-					paf->staticstep= 5;
-				}
-			}
-			ob = ob->id.next;
-		}
-	}
-
-	if (main->versionfile <= 171) {
-		bScreen *sc= main->screen.first;
-		while (sc) {
-			ScrArea *sa= sc->areabase.first;
-			while (sa) {
-				SpaceLink *sl= sa->spacedata.first;
-				while (sl) {
-					if (sl->spacetype==SPACE_TEXT) {
-						SpaceText *st= (SpaceText*) sl;
-						st->lheight= 12;
-					}
-					sl= sl->next;
-				}
-				sa= sa->next;
-			}
-			sc= sc->id.next;
-		}
-	}
-
-	if (main->versionfile <= 173) {
-		int a, b;
-		Mesh *me= main->mesh.first;
-		while (me) {
-			if (me->tface) {
-				TFace *tface= me->tface;
-				for (a=0; a<me->totface; a++, tface++) {
-					for (b=0; b<4; b++) {
-						tface->uv[b][0]/= 32767.0f;
-						tface->uv[b][1]/= 32767.0f;
-					}
-				}
-			}
-			me= me->id.next;
-		}
-	}
-
-	if (main->versionfile <= 191) {
-		Object *ob= main->object.first;
-		Material *ma = main->mat.first;
-
-		/* let faces have default add factor of 0.0 */
-		while (ma) {
-		  if (!(ma->mode & MA_HALO)) ma->add = 0.0;
-		  ma = ma->id.next;
-		}
-
-		while (ob) {
-			ob->mass= 1.0f;
-			ob->damping= 0.1f;
-			/*ob->quat[1]= 1.0f;*/ /* quats arnt used yet */
-			ob= ob->id.next;
-		}
-	}
-
-	if (main->versionfile <= 193) {
-		Object *ob= main->object.first;
-		while (ob) {
-			ob->inertia= 1.0f;
-			ob->rdamping= 0.1f;
-			ob= ob->id.next;
-		}
-	}
-
-	if (main->versionfile <= 196) {
-		Mesh *me= main->mesh.first;
-		int a, b;
-		while (me) {
-			if (me->tface) {
-				TFace *tface= me->tface;
-				for (a=0; a<me->totface; a++, tface++) {
-					for (b=0; b<4; b++) {
-						tface->mode |= TF_DYNAMIC;
-						tface->mode &= ~TF_INVISIBLE;
-					}
-				}
-			}
-			me= me->id.next;
-		}
-	}
-
-	if (main->versionfile <= 200) {
-		Object *ob= main->object.first;
-		while (ob) {
-			ob->scaflag = ob->gameflag & (OB_DO_FH|OB_ROT_FH|OB_ANISOTROPIC_FRICTION|OB_GHOST|OB_RIGID_BODY|OB_BOUNDS);
-				/* 64 is do_fh */
-			ob->gameflag &= ~(OB_ROT_FH|OB_ANISOTROPIC_FRICTION|OB_GHOST|OB_RIGID_BODY|OB_BOUNDS);
-			ob = ob->id.next;
-		}
-	}
-
-	if (main->versionfile <= 201) {
-		/* add-object + end-object are joined to edit-object actuator */
-		Object *ob = main->object.first;
-		bProperty *prop;
-		bActuator *act;
-		bIpoActuator *ia;
-		bEditObjectActuator *eoa;
-		bAddObjectActuator *aoa;
-		while (ob) {
-			act = ob->actuators.first;
-			while (act) {
-				if (act->type==ACT_IPO) {
-					ia= act->data;
-					prop= get_ob_property(ob, ia->name);
-					if (prop) {
-						ia->type= ACT_IPO_FROM_PROP;
-					}
-				}
-				else if (act->type==ACT_ADD_OBJECT) {
-					aoa= act->data;
-					eoa= MEM_callocN(sizeof(bEditObjectActuator), "edit ob act");
-					eoa->type= ACT_EDOB_ADD_OBJECT;
-					eoa->ob= aoa->ob;
-					eoa->time= aoa->time;
-					MEM_freeN(aoa);
-					act->data= eoa;
-					act->type= act->otype= ACT_EDIT_OBJECT;
-				}
-				else if (act->type==ACT_END_OBJECT) {
-					eoa= MEM_callocN(sizeof(bEditObjectActuator), "edit ob act");
-					eoa->type= ACT_EDOB_END_OBJECT;
-					act->data= eoa;
-					act->type= act->otype= ACT_EDIT_OBJECT;
-				}
-				act= act->next;
-			}
-			ob = ob->id.next;
-		}
-	}
-
-	if (main->versionfile <= 202) {
-		/* add-object and end-object are joined to edit-object
-		 * actuator */
-		Object *ob= main->object.first;
-		bActuator *act;
-		bObjectActuator *oa;
-		while (ob) {
-			act= ob->actuators.first;
-			while (act) {
-				if (act->type==ACT_OBJECT) {
-					oa= act->data;
-					oa->flag &= ~(ACT_TORQUE_LOCAL|ACT_DROT_LOCAL);		/* this actuator didn't do local/glob rot before */
-				}
-				act= act->next;
-			}
-			ob= ob->id.next;
-		}
-	}
-
-	if (main->versionfile <= 204) {
-		/* patches for new physics */
-		Object *ob= main->object.first;
-		bActuator *act;
-		bObjectActuator *oa;
-		bSound *sound;
-		while (ob) {
-
-			/* please check this for demo20 files like
-			 * original Egypt levels etc.  converted
-			 * rotation factor of 50 is not workable */
-			act= ob->actuators.first;
-			while (act) {
-				if (act->type==ACT_OBJECT) {
-					oa= act->data;
-
-					oa->forceloc[0]*= 25.0f;
-					oa->forceloc[1]*= 25.0f;
-					oa->forceloc[2]*= 25.0f;
-
-					oa->forcerot[0]*= 10.0f;
-					oa->forcerot[1]*= 10.0f;
-					oa->forcerot[2]*= 10.0f;
-				}
-				act= act->next;
-			}
-			ob= ob->id.next;
-		}
-
-		sound = main->sound.first;
-		while (sound) {
-			if (sound->volume < 0.01f) {
-				sound->volume = 1.0f;
-			}
-			sound = sound->id.next;
-		}
-	}
 
-	if (main->versionfile <= 205) {
-		/* patches for new physics */
-		Object *ob= main->object.first;
-		bActuator *act;
-		bSensor *sens;
-		bEditObjectActuator *oa;
-		bRaySensor *rs;
-		bCollisionSensor *cs;
-		while (ob) {
-			/* Set anisotropic friction off for old objects,
-			 * values to 1.0.  */
-			ob->gameflag &= ~OB_ANISOTROPIC_FRICTION;
-			ob->anisotropicFriction[0] = 1.0;
-			ob->anisotropicFriction[1] = 1.0;
-			ob->anisotropicFriction[2] = 1.0;
-
-			act= ob->actuators.first;
-			while (act) {
-				if (act->type==ACT_EDIT_OBJECT) {
-					/* Zero initial velocity for newly
-					 * added objects */
-					oa= act->data;
-					oa->linVelocity[0] = 0.0;
-					oa->linVelocity[1] = 0.0;
-					oa->linVelocity[2] = 0.0;
-					oa->localflag = 0;
-				}
-				act= act->next;
-			}
-
-			sens= ob->sensors.first;
-			while (sens) {
-				/* Extra fields for radar sensors. */
-				if (sens->type == SENS_RADAR) {
-					bRadarSensor *s = sens->data;
-					s->range = 10000.0;
-				}
-
-				/* Pulsing: defaults for new sensors. */
-				if (sens->type != SENS_ALWAYS) {
-					sens->pulse = 0;
-					sens->freq = 0;
-				}
-				else {
-					sens->pulse = 1;
-				}
-
-				/* Invert: off. */
-				sens->invert = 0;
-
-				/* Collision and ray: default = trigger
-				 * on property. The material field can
-				 * remain empty. */
-				if (sens->type == SENS_COLLISION) {
-					cs = (bCollisionSensor*) sens->data;
-					cs->mode = 0;
-				}
-				if (sens->type == SENS_RAY) {
-					rs = (bRaySensor*) sens->data;
-					rs->mode = 0;
-				}
-				sens = sens->next;
-			}
-			ob= ob->id.next;
-		}
-		/* have to check the exact multiplier */
-	}
-
-	if (main->versionfile <= 211) {
-		/* Render setting: per scene, the applicable gamma value
-		 * can be set. Default is 1.0, which means no
-		 * correction.  */
-		bActuator *act;
-		bObjectActuator *oa;
-		Object *ob;
-
-		/* added alpha in obcolor */
-		ob= main->object.first;
-		while (ob) {
-			ob->col[3]= 1.0;
-			ob= ob->id.next;
-		}
-
-		/* added alpha in obcolor */
-		ob= main->object.first;
-		while (ob) {
-			act= ob->actuators.first;
-			while (act) {
-				if (act->type==ACT_OBJECT) {
-					/* multiply velocity with 50 in old files */
-					oa= act->data;
-					if (fabsf(oa->linearvelocity[0]) >= 0.01f)
-						oa->linearvelocity[0] *= 50.0f;
-					if (fabsf(oa->linearvelocity[1]) >= 0.01f)
-						oa->linearvelocity[1] *= 50.0f;
-					if (fabsf(oa->linearvelocity[2]) >= 0.01f)
-						oa->linearvelocity[2] *= 50.0f;
-					if (fabsf(oa->angularvelocity[0])>=0.01f)
-						oa->angularvelocity[0] *= 50.0f;
-					if (fabsf(oa->angularvelocity[1])>=0.01f)
-						oa->angularvelocity[1] *= 50.0f;
-					if (fabsf(oa->angularvelocity[2])>=0.01f)
-						oa->angularvelocity[2] *= 50.0f;
-				}
-				act= act->next;
-			}
-			ob= ob->id.next;
-		}
-	}
-
-	if (main->versionfile <= 212) {
-
-		bSound* sound;
-		bProperty *prop;
-		Object *ob;
-		Mesh *me;
-
-		sound = main->sound.first;
-		while (sound) {
-			sound->max_gain = 1.0;
-			sound->min_gain = 0.0;
-			sound->distance = 1.0;
-
-			if (sound->attenuation > 0.0f)
-				sound->flags |= SOUND_FLAGS_3D;
-			else
-				sound->flags &= ~SOUND_FLAGS_3D;
-
-			sound = sound->id.next;
-		}
-
-		ob = main->object.first;
-
-		while (ob) {
-			prop= ob->prop.first;
-			while (prop) {
-				if (prop->type == GPROP_TIME) {
-					// convert old GPROP_TIME values from int to float
-					*((float *)&prop->data) = (float) prop->data;
-				}
-
-				prop= prop->next;
-			}
-			ob = ob->id.next;
-		}
-
-			/* me->subdiv changed to reflect the actual reparametization
-			 * better, and smeshes were removed - if it was a smesh make
-			 * it a subsurf, and reset the subdiv level because subsurf
-			 * takes a lot more work to calculate.
-			 */
-		for (me= main->mesh.first; me; me= me->id.next) {
-			if (me->flag&ME_SMESH) {
-				me->flag&= ~ME_SMESH;
-				me->flag|= ME_SUBSURF;
-
-				me->subdiv= 1;
-			}
-			else {
-				if (me->subdiv<2)
-					me->subdiv= 1;
-				else
-					me->subdiv--;
-			}
-		}
-	}
-
-	if (main->versionfile <= 220) {
-		Object *ob;
-		Mesh *me;
-
-		ob = main->object.first;
-
-		/* adapt form factor in order to get the 'old' physics
-		 * behavior back...*/
-
-		while (ob) {
-			/* in future, distinguish between different
-			 * object bounding shapes */
-			ob->formfactor = 0.4f;
-			/* patch form factor, note that inertia equiv radius
-			 * of a rotation symmetrical obj */
-			if (ob->inertia != 1.0f) {
-				ob->formfactor /= ob->inertia * ob->inertia;
-			}
-			ob = ob->id.next;
-		}
-
-			/* Began using alpha component of vertex colors, but
-			 * old file vertex colors are undefined, reset them
-			 * to be fully opaque. -zr
-			 */
-		for (me= main->mesh.first; me; me= me->id.next) {
-			if (me->mcol) {
-				int i;
-
-				for (i=0; i<me->totface*4; i++) {
-					MCol *mcol= &me->mcol[i];
-					mcol->a= 255;
-				}
-			}
-			if (me->tface) {
-				int i, j;
-
-				for (i=0; i<me->totface; i++) {
-					TFace *tf= &((TFace*) me->tface)[i];
-
-					for (j=0; j<4; j++) {
-						char *col= (char*) &tf->col[j];
-
-						col[0]= 255;
-					}
-				}
-			}
-		}
-	}
-	if (main->versionfile <= 221) {
-		Scene *sce= main->scene.first;
-
-		// new variables for std-alone player and runtime
-		while (sce) {
-
-			sce->r.xplay= 640;
-			sce->r.yplay= 480;
-			sce->r.freqplay= 60;
-
-			sce= sce->id.next;
-		}
-
-	}
-	if (main->versionfile <= 222) {
-		Scene *sce= main->scene.first;
-
-		// new variables for std-alone player and runtime
-		while (sce) {
-
-			sce->r.depth= 32;
-
-			sce= sce->id.next;
-		}
-	}
-
-
-	if (main->versionfile <= 223) {
-		VFont *vf;
-		Image *ima;
-		Object *ob;
-
-		for (vf= main->vfont.first; vf; vf= vf->id.next) {
-			if (strcmp(vf->name+strlen(vf->name)-6, ".Bfont")==0) {
-				strcpy(vf->name, FO_BUILTIN_NAME);
-			}
-		}
-
-		/* Old textures animate at 25 FPS */
-		for (ima = main->image.first; ima; ima=ima->id.next) {
-			ima->animspeed = 25;
-		}
-
-			/* Zr remapped some keyboard codes to be linear (stupid zr) */
-		for (ob= main->object.first; ob; ob= ob->id.next) {
-			bSensor *sens;
-
-			for (sens= ob->sensors.first; sens; sens= sens->next) {
-				if (sens->type==SENS_KEYBOARD) {
-					bKeyboardSensor *ks= sens->data;
-
-					ks->key= map_223_keybd_code_to_224_keybd_code(ks->key);
-					ks->qual= map_223_keybd_code_to_224_keybd_code(ks->qual);
-					ks->qual2= map_223_keybd_code_to_224_keybd_code(ks->qual2);
-				}
-			}
-		}
-	}
-	if (main->versionfile <= 224) {
-		bSound* sound;
-		Scene *sce;
-		Mesh *me;
-		bScreen *sc;
-
-		for (sound=main->sound.first; sound; sound=sound->id.next) {
-			if (sound->packedfile) {
-				if (sound->newpackedfile == NULL) {
-					sound->newpackedfile = sound->packedfile;
-				}
-				sound->packedfile = NULL;
-			}
-		}
-		/* Make sure that old subsurf meshes don't have zero subdivision level for rendering */
-		for (me=main->mesh.first; me; me=me->id.next) {
-			if ((me->flag & ME_SUBSURF) && (me->subdivr==0))
-				me->subdivr=me->subdiv;
-		}
-
-		for (sce= main->scene.first; sce; sce= sce->id.next) {
-			sce->r.stereomode = 1;  // no stereo
-		}
-
-			/* some oldfile patch, moved from set_func_space */
-		for (sc= main->screen.first; sc; sc= sc->id.next) {
-			ScrArea *sa;
-
-			for (sa= sc->areabase.first; sa; sa= sa->next) {
-				SpaceLink *sl;
-
-				for (sl= sa->spacedata.first; sl; sl= sl->next) {
-					if (sl->spacetype==SPACE_IPO) {
-						SpaceSeq *sseq= (SpaceSeq*) sl;
-						sseq->v2d.keeptot= 0;
-					}
-				}
-			}
-		}
-
-	}
-
-
-	if (main->versionfile <= 225) {
-		World *wo;
-		/* Use Sumo for old games */
-		for (wo = main->world.first; wo; wo= wo->id.next) {
-			wo->physicsEngine = 2;
-		}
-	}
-
-	if (main->versionfile <= 227) {
-		Scene *sce;
-		Material *ma;
-		bScreen *sc;
-		Object *ob;
-
-		/* As of now, this insures that the transition from the old Track system
-		 * to the new full constraint Track is painless for everyone. - theeth
-		 */
-		ob = main->object.first;
-
-		while (ob) {
-			ListBase *list;
-			list = &ob->constraints;
-
-			/* check for already existing TrackTo constraint
-			 * set their track and up flag correctly */
-
-			if (list) {
-				bConstraint *curcon;
-				for (curcon = list->first; curcon; curcon=curcon->next) {
-					if (curcon->type == CONSTRAINT_TYPE_TRACKTO) {
-						bTrackToConstraint *data = curcon->data;
-						data->reserved1 = ob->trackflag;
-						data->reserved2 = ob->upflag;
-					}
-				}
-			}
-
-			if (ob->type == OB_ARMATURE) {
-				if (ob->pose) {
-					bConstraint *curcon;
-					bPoseChannel *pchan;
-					for (pchan = ob->pose->chanbase.first;
-						 pchan; pchan=pchan->next) {
-						for (curcon = pchan->constraints.first;
-							 curcon; curcon=curcon->next) {
-							if (curcon->type == CONSTRAINT_TYPE_TRACKTO) {
-								bTrackToConstraint *data = curcon->data;
-								data->reserved1 = ob->trackflag;
-								data->reserved2 = ob->upflag;
-							}
-						}
-					}
-				}
-			}
-
-			/* Change Ob->Track in real TrackTo constraint */
-			do_version_old_trackto_to_constraints(ob);
-			
-			ob = ob->id.next;
-		}
-
-
-		for (sce= main->scene.first; sce; sce= sce->id.next) {
-			sce->audio.mixrate = 44100;
-			sce->audio.flag |= AUDIO_SCRUB;
-			sce->r.mode |= R_ENVMAP;
-		}
-		// init new shader vars
-		for (ma= main->mat.first; ma; ma= ma->id.next) {
-			ma->refrac= 4.0f;
-			ma->roughness= 0.5f;
-			ma->param[0]= 0.5f;
-			ma->param[1]= 0.1f;
-			ma->param[2]= 0.1f;
-			ma->param[3]= 0.05f;
-		}
-		// patch for old wrong max view2d settings, allows zooming out more
-		for (sc= main->screen.first; sc; sc= sc->id.next) {
-			ScrArea *sa;
-
-			for (sa= sc->areabase.first; sa; sa= sa->next) {
-				SpaceLink *sl;
-
-				for (sl= sa->spacedata.first; sl; sl= sl->next) {
-					if (sl->spacetype==SPACE_ACTION) {
-						SpaceAction *sac= (SpaceAction *) sl;
-						sac->v2d.max[0]= 32000;
-					}
-					else if (sl->spacetype==SPACE_NLA) {
-						SpaceNla *sla= (SpaceNla *) sl;
-						sla->v2d.max[0]= 32000;
-					}
-				}
-			}
-		}
-	}
-	if (main->versionfile <= 228) {
-		Scene *sce;
-		bScreen *sc;
-		Object *ob;
-
-
-		/* As of now, this insures that the transition from the old Track system
-		 * to the new full constraint Track is painless for everyone.*/
-		ob = main->object.first;
-
-		while (ob) {
-			ListBase *list;
-			list = &ob->constraints;
-
-			/* check for already existing TrackTo constraint
-			 * set their track and up flag correctly */
-
-			if (list) {
-				bConstraint *curcon;
-				for (curcon = list->first; curcon; curcon=curcon->next) {
-					if (curcon->type == CONSTRAINT_TYPE_TRACKTO) {
-						bTrackToConstraint *data = curcon->data;
-						data->reserved1 = ob->trackflag;
-						data->reserved2 = ob->upflag;
-					}
-				}
-			}
-
-			if (ob->type == OB_ARMATURE) {
-				if (ob->pose) {
-					bConstraint *curcon;
-					bPoseChannel *pchan;
-					for (pchan = ob->pose->chanbase.first;
-						 pchan; pchan=pchan->next) {
-						for (curcon = pchan->constraints.first;
-							 curcon; curcon=curcon->next) {
-							if (curcon->type == CONSTRAINT_TYPE_TRACKTO) {
-								bTrackToConstraint *data = curcon->data;
-								data->reserved1 = ob->trackflag;
-								data->reserved2 = ob->upflag;
-							}
-						}
-					}
-				}
-			}
-
-			ob = ob->id.next;
-		}
-
-		for (sce= main->scene.first; sce; sce= sce->id.next) {
-			sce->r.mode |= R_ENVMAP;
-		}
-
-		// convert old mainb values for new button panels
-		for (sc= main->screen.first; sc; sc= sc->id.next) {
-			ScrArea *sa;
-
-			for (sa= sc->areabase.first; sa; sa= sa->next) {
-				SpaceLink *sl;
-
-				for (sl= sa->spacedata.first; sl; sl= sl->next) {
-					if (sl->spacetype==SPACE_BUTS) {
-						SpaceButs *sbuts= (SpaceButs *) sl;
-
-						sbuts->v2d.maxzoom= 1.2f;
-						sbuts->align= 1;	/* horizontal default */
-					
-						if (sbuts->mainb==BUTS_LAMP) {
-							sbuts->mainb= CONTEXT_SHADING;
-							//sbuts->tab[CONTEXT_SHADING]= TAB_SHADING_LAMP;
-						}
-						else if (sbuts->mainb==BUTS_MAT) {
-							sbuts->mainb= CONTEXT_SHADING;
-							//sbuts->tab[CONTEXT_SHADING]= TAB_SHADING_MAT;
-						}
-						else if (sbuts->mainb==BUTS_TEX) {
-							sbuts->mainb= CONTEXT_SHADING;
-							//sbuts->tab[CONTEXT_SHADING]= TAB_SHADING_TEX;
-						}
-						else if (sbuts->mainb==BUTS_ANIM) {
-							sbuts->mainb= CONTEXT_OBJECT;
-						}
-						else if (sbuts->mainb==BUTS_WORLD) {
-							sbuts->mainb= CONTEXT_SCENE;
-							//sbuts->tab[CONTEXT_SCENE]= TAB_SCENE_WORLD;
-						}
-						else if (sbuts->mainb==BUTS_RENDER) {
-							sbuts->mainb= CONTEXT_SCENE;
-							//sbuts->tab[CONTEXT_SCENE]= TAB_SCENE_RENDER;
-						}
-						else if (sbuts->mainb==BUTS_GAME) {
-							sbuts->mainb= CONTEXT_LOGIC;
-						}
-						else if (sbuts->mainb==BUTS_FPAINT) {
-							sbuts->mainb= CONTEXT_EDITING;
-						}
-						else if (sbuts->mainb==BUTS_RADIO) {
-							sbuts->mainb= CONTEXT_SHADING;
-							//sbuts->tab[CONTEXT_SHADING]= TAB_SHADING_RAD;
-						}
-						else if (sbuts->mainb==BUTS_CONSTRAINT) {
-							sbuts->mainb= CONTEXT_OBJECT;
-						}
-						else if (sbuts->mainb==BUTS_SCRIPT) {
-							sbuts->mainb= CONTEXT_OBJECT;
-						}
-						else if (sbuts->mainb==BUTS_EDIT) {
-							sbuts->mainb= CONTEXT_EDITING;
-						}
-						else sbuts->mainb= CONTEXT_SCENE;
-					}
-				}
-			}
-		}
-	}
-	/* ton: made this 230 instead of 229,
-	 * to be sure (tuho files) and this is a reliable check anyway
-	 * nevertheless, we might need to think over a fitness (initialize)
-	 * check apart from the do_versions() */
-
-	if (main->versionfile <= 230) {
-		bScreen *sc;
-
-		// new variable blockscale, for panels in any area
-		for (sc= main->screen.first; sc; sc= sc->id.next) {
-			ScrArea *sa;
-
-			for (sa= sc->areabase.first; sa; sa= sa->next) {
-				SpaceLink *sl;
-
-				for (sl= sa->spacedata.first; sl; sl= sl->next) {
-					if (sl->blockscale==0.0f) sl->blockscale= 0.7f;
-					/* added: 5x better zoom in for action */
-					if (sl->spacetype==SPACE_ACTION) {
-						SpaceAction *sac= (SpaceAction *)sl;
-						sac->v2d.maxzoom= 50;
-					}
-				}
-			}
-		}
-	}
-	if (main->versionfile <= 231) {
-		/* new bit flags for showing/hiding grid floor and axes */
-		bScreen *sc = main->screen.first;
-		while (sc) {
-			ScrArea *sa= sc->areabase.first;
-			while (sa) {
-				SpaceLink *sl= sa->spacedata.first;
-				while (sl) {
-					if (sl->spacetype==SPACE_VIEW3D) {
-						View3D *v3d= (View3D*) sl;
-
-						if (v3d->gridflag==0) {
-							v3d->gridflag |= V3D_SHOW_X;
-							v3d->gridflag |= V3D_SHOW_Y;
-							v3d->gridflag |= V3D_SHOW_FLOOR;
-							v3d->gridflag &= ~V3D_SHOW_Z;
-						}
-					}
-					sl= sl->next;
-				}
-				sa= sa->next;
-			}
-			sc= sc->id.next;
-		}
-	}
-	if (main->versionfile <= 231) {
-		Material *ma= main->mat.first;
-		bScreen *sc = main->screen.first;
-		Scene *sce;
-		Lamp *la;
-		World *wrld;
-
-		/* introduction of raytrace */
-		while (ma) {
-			if (ma->fresnel_tra_i==0.0f) ma->fresnel_tra_i= 1.25f;
-			if (ma->fresnel_mir_i==0.0f) ma->fresnel_mir_i= 1.25f;
-
-			ma->ang= 1.0;
-			ma->ray_depth= 2;
-			ma->ray_depth_tra= 2;
-			ma->fresnel_tra= 0.0;
-			ma->fresnel_mir= 0.0;
-
-			ma= ma->id.next;
-		}
-		sce= main->scene.first;
-		while (sce) {
-			if (sce->r.gauss==0.0f) sce->r.gauss= 1.0f;
-			sce= sce->id.next;
-		}
-		la= main->lamp.first;
-		while (la) {
-			if (la->k==0.0f) la->k= 1.0;
-			if (la->ray_samp==0) la->ray_samp= 1;
-			if (la->ray_sampy==0) la->ray_sampy= 1;
-			if (la->ray_sampz==0) la->ray_sampz= 1;
-			if (la->area_size==0.0f) la->area_size= 1.0f;
-			if (la->area_sizey==0.0f) la->area_sizey= 1.0f;
-			if (la->area_sizez==0.0f) la->area_sizez= 1.0f;
-			la= la->id.next;
-		}
-		wrld= main->world.first;
-		while (wrld) {
-			if (wrld->range==0.0f) {
-				wrld->range= 1.0f/wrld->exposure;
-			}
-			wrld= wrld->id.next;
-		}
-
-		/* new bit flags for showing/hiding grid floor and axes */
-
-		while (sc) {
-			ScrArea *sa= sc->areabase.first;
-			while (sa) {
-				SpaceLink *sl= sa->spacedata.first;
-				while (sl) {
-					if (sl->spacetype==SPACE_VIEW3D) {
-						View3D *v3d= (View3D*) sl;
-
-						if (v3d->gridflag==0) {
-							v3d->gridflag |= V3D_SHOW_X;
-							v3d->gridflag |= V3D_SHOW_Y;
-							v3d->gridflag |= V3D_SHOW_FLOOR;
-							v3d->gridflag &= ~V3D_SHOW_Z;
-						}
-					}
-					sl= sl->next;
-				}
-				sa= sa->next;
-			}
-			sc= sc->id.next;
-		}
-	}
-	if (main->versionfile <= 232) {
-		Tex *tex= main->tex.first;
-		World *wrld= main->world.first;
-		bScreen *sc;
-		Scene *sce;
-
-		while (tex) {
-			if ((tex->flag & (TEX_CHECKER_ODD+TEX_CHECKER_EVEN))==0) {
-				tex->flag |= TEX_CHECKER_ODD;
-			}
-			/* copied from kernel texture.c */
-			if (tex->ns_outscale==0.0f) {
-				/* musgrave */
-				tex->mg_H = 1.0f;
-				tex->mg_lacunarity = 2.0f;
-				tex->mg_octaves = 2.0f;
-				tex->mg_offset = 1.0f;
-				tex->mg_gain = 1.0f;
-				tex->ns_outscale = 1.0f;
-				/* distnoise */
-				tex->dist_amount = 1.0f;
-				/* voronoi */
-				tex->vn_w1 = 1.0f;
-				tex->vn_mexp = 2.5f;
-			}
-			tex= tex->id.next;
-		}
-
-		while (wrld) {
-			if (wrld->aodist==0.0f) {
-				wrld->aodist= 10.0f;
-				wrld->aobias= 0.05f;
-			}
-			if (wrld->aosamp==0) wrld->aosamp= 5;
-			if (wrld->aoenergy==0.0f) wrld->aoenergy= 1.0f;
-			wrld= wrld->id.next;
-		}
-
-
-		// new variable blockscale, for panels in any area, do again because new
-		// areas didnt initialize it to 0.7 yet
-		for (sc= main->screen.first; sc; sc= sc->id.next) {
-			ScrArea *sa;
-			for (sa= sc->areabase.first; sa; sa= sa->next) {
-				SpaceLink *sl;
-				for (sl= sa->spacedata.first; sl; sl= sl->next) {
-					if (sl->blockscale==0.0f) sl->blockscale= 0.7f;
-
-					/* added: 5x better zoom in for nla */
-					if (sl->spacetype==SPACE_NLA) {
-						SpaceNla *snla= (SpaceNla *)sl;
-						snla->v2d.maxzoom= 50;
-					}
-				}
-			}
-		}
-		sce= main->scene.first;
-		while (sce) {
-			if (sce->r.ocres==0) sce->r.ocres= 64;
-			sce= sce->id.next;
-		}
-
-	}
-	if (main->versionfile <= 233) {
-		bScreen *sc;
-		Material *ma= main->mat.first;
-		/* Object *ob= main->object.first; */
-		
-		while (ma) {
-			if (ma->rampfac_col==0.0f) ma->rampfac_col= 1.0;
-			if (ma->rampfac_spec==0.0f) ma->rampfac_spec= 1.0;
-			if (ma->pr_lamp==0) ma->pr_lamp= 3;
-			ma= ma->id.next;
-		}
-		
-		/* this should have been done loooong before! */
-#if 0   /* deprecated in 2.5+ */
-		while (ob) {
-			if (ob->ipowin==0) ob->ipowin= ID_OB;
-			ob= ob->id.next;
-		}
-#endif
-		for (sc= main->screen.first; sc; sc= sc->id.next) {
-			ScrArea *sa;
-			for (sa= sc->areabase.first; sa; sa= sa->next) {
-				SpaceLink *sl;
-				for (sl= sa->spacedata.first; sl; sl= sl->next) {
-					if (sl->spacetype==SPACE_VIEW3D) {
-						View3D *v3d= (View3D *)sl;
-						v3d->flag |= V3D_SELECT_OUTLINE;
-					}
-				}
-			}
-		}
-	}
-
-
-	
-
-	if (main->versionfile <= 234) {
-		World *wo;
-		bScreen *sc;
-		
-		// force sumo engine to be active
-		for (wo = main->world.first; wo; wo= wo->id.next) {
-			if (wo->physicsEngine==0) wo->physicsEngine = 2;
-		}
-		
-		for (sc= main->screen.first; sc; sc= sc->id.next) {
-			ScrArea *sa;
-			for (sa= sc->areabase.first; sa; sa= sa->next) {
-				SpaceLink *sl;
-				for (sl= sa->spacedata.first; sl; sl= sl->next) {
-					if (sl->spacetype==SPACE_VIEW3D) {
-						View3D *v3d= (View3D *)sl;
-						v3d->flag |= V3D_ZBUF_SELECT;
-					}
-					else if (sl->spacetype==SPACE_TEXT) {
-						SpaceText *st= (SpaceText *)sl;
-						if (st->tabnumber==0) st->tabnumber= 2;
-					}
-				}
-			}
-		}
-	}
-	if (main->versionfile <= 235) {
-		Tex *tex= main->tex.first;
-		Scene *sce= main->scene.first;
-		Sequence *seq;
-		Editing *ed;
-		
-		while (tex) {
-			if (tex->nabla==0.0f) tex->nabla= 0.025f;
-			tex= tex->id.next;
-		}
-		while (sce) {
-			ed= sce->ed;
-			if (ed) {
-				SEQ_BEGIN (sce->ed, seq)
-				{
-					if (seq->type==SEQ_IMAGE || seq->type==SEQ_MOVIE)
-						seq->flag |= SEQ_MAKE_PREMUL;
-				}
-				SEQ_END
-			}
-			
-			sce= sce->id.next;
-		}
-	}
-	if (main->versionfile <= 236) {
-		Object *ob;
-		Camera *cam= main->camera.first;
-		Material *ma;
-		bScreen *sc;
-
-		while (cam) {
-			if (cam->ortho_scale==0.0f) {
-				cam->ortho_scale= 256.0f/cam->lens;
-				if (cam->type==CAM_ORTHO) printf("NOTE: ortho render has changed, tweak new Camera 'scale' value.\n");
-			}
-			cam= cam->id.next;
-		}
-		/* set manipulator type */
-		/* force oops draw if depgraph was set*/
-		/* set time line var */
-		for (sc= main->screen.first; sc; sc= sc->id.next) {
-			ScrArea *sa;
-			for (sa= sc->areabase.first; sa; sa= sa->next) {
-				SpaceLink *sl;
-				for (sl= sa->spacedata.first; sl; sl= sl->next) {
-					if (sl->spacetype==SPACE_VIEW3D) {
-						View3D *v3d= (View3D *)sl;
-						if (v3d->twtype==0) v3d->twtype= V3D_MANIP_TRANSLATE;
-					}
-				}
-			}
-		}
-		// init new shader vars
-		for (ma= main->mat.first; ma; ma= ma->id.next) {
-			if (ma->darkness==0.0f) {
-				ma->rms=0.1f;
-				ma->darkness=1.0f;
-			}
-		}
-		
-		/* softbody init new vars */
-		for (ob= main->object.first; ob; ob= ob->id.next) {
-			if (ob->soft) {
-				if (ob->soft->defgoal==0.0f) ob->soft->defgoal= 0.7f;
-				if (ob->soft->physics_speed==0.0f) ob->soft->physics_speed= 1.0f;
-				
-				if (ob->soft->interval==0) {
-					ob->soft->interval= 2;
-					ob->soft->sfra= 1;
-					ob->soft->efra= 100;
-				}
-			}
-			if (ob->soft && ob->soft->vertgroup==0) {
-				bDeformGroup *locGroup = defgroup_find_name(ob, "SOFTGOAL");
-				if (locGroup) {
-					/* retrieve index for that group */
-					ob->soft->vertgroup =  1 + BLI_findindex(&ob->defbase, locGroup);
-				}
-			}
-		}
-	}
-	if (main->versionfile <= 237) {
-		bArmature *arm;
-		bConstraint *con;
-		Object *ob;
-		Bone *bone;
-		
-		// armature recode checks 
-		for (arm= main->armature.first; arm; arm= arm->id.next) {
-			where_is_armature(arm);
-
-			for (bone= arm->bonebase.first; bone; bone= bone->next)
-				do_version_bone_head_tail_237(bone);
-		}
-		for (ob= main->object.first; ob; ob= ob->id.next) {
-			if (ob->parent) {
-				Object *parent= newlibadr(fd, lib, ob->parent);
-				if (parent && parent->type==OB_LATTICE)
-					ob->partype = PARSKEL;
-			}
-
-			// btw. armature_rebuild_pose is further only called on leave editmode
-			if (ob->type==OB_ARMATURE) {
-				if (ob->pose)
-					ob->pose->flag |= POSE_RECALC;
-				ob->recalc |= OB_RECALC_OB|OB_RECALC_DATA|OB_RECALC_TIME;	// cannot call stuff now (pointers!), done in setup_app_data
-
-				/* new generic xray option */
-				arm= newlibadr(fd, lib, ob->data);
-				if (arm->flag & ARM_DRAWXRAY) {
-					ob->dtx |= OB_DRAWXRAY;
-				}
-			}
-			else if (ob->type==OB_MESH) {
-				Mesh *me = newlibadr(fd, lib, ob->data);
-				
-				if ((me->flag&ME_SUBSURF)) {
-					SubsurfModifierData *smd = (SubsurfModifierData*) modifier_new(eModifierType_Subsurf);
-					
-					smd->levels = MAX2(1, me->subdiv);
-					smd->renderLevels = MAX2(1, me->subdivr);
-					smd->subdivType = me->subsurftype;
-					
-					smd->modifier.mode = 0;
-					if (me->subdiv!=0)
-						smd->modifier.mode |= 1;
-					if (me->subdivr!=0)
-						smd->modifier.mode |= 2;
-					if (me->flag&ME_OPT_EDGES)
-						smd->flags |= eSubsurfModifierFlag_ControlEdges;
-					
-					BLI_addtail(&ob->modifiers, smd);
-					
-					modifier_unique_name(&ob->modifiers, (ModifierData*)smd);
-				}
-			}
-			
-			// follow path constraint needs to set the 'path' option in curves...
-			for (con=ob->constraints.first; con; con= con->next) {
-				if (con->type==CONSTRAINT_TYPE_FOLLOWPATH) {
-					bFollowPathConstraint *data = con->data;
-					Object *obc= newlibadr(fd, lib, data->tar);
-					
-					if (obc && obc->type==OB_CURVE) {
-						Curve *cu= newlibadr(fd, lib, obc->data);
-						if (cu) cu->flag |= CU_PATH;
-					}
-				}
-			}
-		}
-	}
-	if (main->versionfile <= 238) {
-		Lattice *lt;
-		Object *ob;
-		bArmature *arm;
-		Mesh *me;
-		Key *key;
-		Scene *sce= main->scene.first;
-
-		while (sce) {
-			if (sce->toolsettings == NULL) {
-				sce->toolsettings = MEM_callocN(sizeof(struct ToolSettings), "Tool Settings Struct");
-				sce->toolsettings->cornertype=0;
-				sce->toolsettings->degr = 90; 
-				sce->toolsettings->step = 9;
-				sce->toolsettings->turn = 1; 				
-				sce->toolsettings->extr_offs = 1; 
-				sce->toolsettings->doublimit = 0.001f;
-				sce->toolsettings->segments = 32;
-				sce->toolsettings->rings = 32;
-				sce->toolsettings->vertices = 32;
-			}
-			sce= sce->id.next;	
-		}
-
-		for (lt=main->latt.first; lt; lt=lt->id.next) {
-			if (lt->fu==0.0f && lt->fv==0.0f && lt->fw==0.0f) {
-				calc_lat_fudu(lt->flag, lt->pntsu, &lt->fu, &lt->du);
-				calc_lat_fudu(lt->flag, lt->pntsv, &lt->fv, &lt->dv);
-				calc_lat_fudu(lt->flag, lt->pntsw, &lt->fw, &lt->dw);
-			}
-		}
-
-		for (ob=main->object.first; ob; ob= ob->id.next) {
-			ModifierData *md;
-			PartEff *paf;
-
-			for (md=ob->modifiers.first; md; md=md->next) {
-				if (md->type==eModifierType_Subsurf) {
-					SubsurfModifierData *smd = (SubsurfModifierData*) md;
-
-					smd->flags &= ~(eSubsurfModifierFlag_Incremental|eSubsurfModifierFlag_DebugIncr);
-				}
-			}
-
-			if ((ob->softflag&OB_SB_ENABLE) && !modifiers_findByType(ob, eModifierType_Softbody)) {
-				if (ob->softflag&OB_SB_POSTDEF) {
-					md = ob->modifiers.first;
-
-					while (md && modifierType_getInfo(md->type)->type==eModifierTypeType_OnlyDeform) {
-						md = md->next;
-					}
-
-					BLI_insertlinkbefore(&ob->modifiers, md, modifier_new(eModifierType_Softbody));
-				}
-				else {
-					BLI_addhead(&ob->modifiers, modifier_new(eModifierType_Softbody));
-				}
-
-				ob->softflag &= ~OB_SB_ENABLE;
-			}
-			if (ob->pose) {
-				bPoseChannel *pchan;
-				bConstraint *con;
-				for (pchan= ob->pose->chanbase.first; pchan; pchan= pchan->next) {
-					// note, pchan->bone is also lib-link stuff
-					if (pchan->limitmin[0] == 0.0f && pchan->limitmax[0] == 0.0f) {
-						pchan->limitmin[0]= pchan->limitmin[1]= pchan->limitmin[2]= -180.0f;
-						pchan->limitmax[0]= pchan->limitmax[1]= pchan->limitmax[2]= 180.0f;
-						
-						for (con= pchan->constraints.first; con; con= con->next) {
-							if (con->type == CONSTRAINT_TYPE_KINEMATIC) {
-								bKinematicConstraint *data = (bKinematicConstraint*)con->data;
-								data->weight = 1.0f;
-								data->orientweight = 1.0f;
-								data->flag &= ~CONSTRAINT_IK_ROT;
-								
-								/* enforce conversion from old IK_TOPARENT to rootbone index */
-								data->rootbone= -1;
-								
-								/* update_pose_etc handles rootbone==-1 */
-								ob->pose->flag |= POSE_RECALC;
-							}	
-						}
-					}
-				}
-			}
-
-			paf = do_version_give_parteff_245(ob);
-			if (paf) {
-				if (paf->disp == 0)
-					paf->disp = 100;
-				if (paf->speedtex == 0)
-					paf->speedtex = 8;
-				if (paf->omat == 0)
-					paf->omat = 1;
-			}
-		}
-		
-		for (arm=main->armature.first; arm; arm= arm->id.next) {
-			bone_version_238(&arm->bonebase);
-			arm->deformflag |= ARM_DEF_VGROUP;
-		}
-
-		for (me=main->mesh.first; me; me= me->id.next) {
-			if (!me->medge) {
-				make_edges(me, 1);	/* 1 = use mface->edcode */
-			}
-			else {
-				mesh_strip_loose_faces(me);
-			}
-		}
-		
-		for (key= main->key.first; key; key= key->id.next) {
-			KeyBlock *kb;
-			int index = 1;
-
-			for (kb= key->block.first; kb; kb= kb->next) {
-				if (kb==key->refkey) {
-					if (kb->name[0]==0)
-						strcpy(kb->name, "Basis");
-				}
-				else {
-					if (kb->name[0]==0) {
-						BLI_snprintf(kb->name, sizeof(kb->name), "Key %d", index);
-					}
-					index++;
-				}
-			}
-		}
-	}
-	if (main->versionfile <= 239) {
-		bArmature *arm;
-		Object *ob;
-		Scene *sce= main->scene.first;
-		Camera *cam= main->camera.first;
-		Material *ma= main->mat.first;
-		int set_passepartout= 0;
-		
-		/* deformflag is local in modifier now */
-		for (ob=main->object.first; ob; ob= ob->id.next) {
-			ModifierData *md;
-			
-			for (md=ob->modifiers.first; md; md=md->next) {
-				if (md->type==eModifierType_Armature) {
-					ArmatureModifierData *amd = (ArmatureModifierData*) md;
-					if (amd->object && amd->deformflag==0) {
-						Object *oba= newlibadr(fd, lib, amd->object);
-						arm= newlibadr(fd, lib, oba->data);
-						amd->deformflag= arm->deformflag;
-					}
-				}
-			}
-		}
-		
-		/* updating stepsize for ghost drawing */
-		for (arm= main->armature.first; arm; arm= arm->id.next) {
-			if (arm->ghostsize==0) arm->ghostsize=1;
-			bone_version_239(&arm->bonebase);
-			if (arm->layer==0) arm->layer= 1;
-		}
-		
-		for (;sce;sce= sce->id.next) {
-			/* make 'innervert' the default subdivide type, for backwards compat */
-			sce->toolsettings->cornertype=1;
-		
-			if (sce->r.scemode & R_PASSEPARTOUT) {
-				set_passepartout= 1;
-				sce->r.scemode &= ~R_PASSEPARTOUT;
-			}
-			/* gauss is filter variable now */
-			if (sce->r.mode & R_GAUSS) {
-				sce->r.filtertype= R_FILTER_GAUSS;
-				sce->r.mode &= ~R_GAUSS;
-			}
-		}
-		
-		for (;cam; cam= cam->id.next) {
-			if (set_passepartout)
-				cam->flag |= CAM_SHOWPASSEPARTOUT;
-			
-			/* make sure old cameras have title safe on */
-			if (!(cam->flag & CAM_SHOWTITLESAFE))
-				cam->flag |= CAM_SHOWTITLESAFE;
-			
-			/* set an appropriate camera passepartout alpha */
-			if (!(cam->passepartalpha)) cam->passepartalpha = 0.2f;
-		}
-		
-		for (; ma; ma= ma->id.next) {
-			if (ma->strand_sta==0.0f) {
-				ma->strand_sta= ma->strand_end= 1.0f;
-				ma->mode |= MA_TANGENT_STR;
-			}
-			if (ma->mode & MA_TRACEBLE) ma->mode |= MA_SHADBUF;
-		}
-	}
-	
-	if (main->versionfile <= 241) {
-		Object *ob;
-		Tex *tex;
-		Scene *sce;
-		World *wo;
-		Lamp *la;
-		Material *ma;
-		bArmature *arm;
-		bNodeTree *ntree;
-		
-		for (wo = main->world.first; wo; wo= wo->id.next) {
-			/* Migrate to Bullet for games, except for the NaN versions */
-			/* People can still explicitly choose for Sumo (after 2.42 is out) */
-			if (main->versionfile > 225)
-				wo->physicsEngine = WOPHY_BULLET;
-			if (WO_AODIST == wo->aomode)
-				wo->aocolor= WO_AOPLAIN;
-		}
-		
-		/* updating layers still */
-		for (arm= main->armature.first; arm; arm= arm->id.next) {
-			bone_version_239(&arm->bonebase);
-			if (arm->layer==0) arm->layer= 1;
-		}
-		for (sce= main->scene.first; sce; sce= sce->id.next) {
-			if (sce->audio.mixrate==0) sce->audio.mixrate= 44100;
-
-			if (sce->r.xparts<2) sce->r.xparts= 4;
-			if (sce->r.yparts<2) sce->r.yparts= 4;
-			/* adds default layer */
-			if (sce->r.layers.first==NULL)
-				scene_add_render_layer(sce, NULL);
-			else {
-				SceneRenderLayer *srl;
-				/* new layer flag for sky, was default for solid */
-				for (srl= sce->r.layers.first; srl; srl= srl->next) {
-					if (srl->layflag & SCE_LAY_SOLID)
-						srl->layflag |= SCE_LAY_SKY;
-					srl->passflag &= (SCE_PASS_COMBINED|SCE_PASS_Z|SCE_PASS_NORMAL|SCE_PASS_VECTOR);
-				}
-			}
-			
-			/* node version changes */
-			if (sce->nodetree)
-				ntree_version_241(sce->nodetree);
-
-			/* uv calculation options moved to toolsettings */
-			if (sce->toolsettings->uvcalc_radius == 0.0f) {
-				sce->toolsettings->uvcalc_radius = 1.0f;
-				sce->toolsettings->uvcalc_cubesize = 1.0f;
-				sce->toolsettings->uvcalc_mapdir = 1;
-				sce->toolsettings->uvcalc_mapalign = 1;
-				sce->toolsettings->uvcalc_flag = UVCALC_FILLHOLES;
-				sce->toolsettings->unwrapper = 1;
-			}
-
-			if (sce->r.mode & R_PANORAMA) {
-				/* all these checks to ensure saved files with svn version keep working... */
-				if (sce->r.xsch < sce->r.ysch) {
-					Object *obc= newlibadr(fd, lib, sce->camera);
-					if (obc && obc->type==OB_CAMERA) {
-						Camera *cam= newlibadr(fd, lib, obc->data);
-						if (cam->lens>=10.0f) {
-							sce->r.xsch*= sce->r.xparts;
-							cam->lens*= (float)sce->r.ysch/(float)sce->r.xsch;
-						}
-					}
-				}
-			}
-		}
-		
-		for (ntree= main->nodetree.first; ntree; ntree= ntree->id.next)
-			ntree_version_241(ntree);
-		
-		for (la= main->lamp.first; la; la= la->id.next)
-			if (la->buffers==0)
-				la->buffers= 1;
-		
-		for (tex= main->tex.first; tex; tex= tex->id.next) {
-			if (tex->env && tex->env->viewscale==0.0f)
-				tex->env->viewscale= 1.0f;
-//			tex->imaflag |= TEX_GAUSS_MIP;
-		}
-		
-		/* for empty drawsize and drawtype */
-		for (ob=main->object.first; ob; ob= ob->id.next) {
-			if (ob->empty_drawsize==0.0f) {
-				ob->empty_drawtype = OB_ARROWS;
-				ob->empty_drawsize = 1.0;
-			}
-		}
-		
-		for (ma= main->mat.first; ma; ma= ma->id.next) {
-			/* stucci returns intensity from now on */
-			int a;
-			for (a=0; a<MAX_MTEX; a++) {
-				if (ma->mtex[a] && ma->mtex[a]->tex) {
-					tex= newlibadr(fd, lib, ma->mtex[a]->tex);
-					if (tex && tex->type==TEX_STUCCI)
-						ma->mtex[a]->mapto &= ~(MAP_COL|MAP_SPEC|MAP_REF);
-				}
-			}
-			/* transmissivity defaults */
-			if (ma->tx_falloff==0.0f) ma->tx_falloff= 1.0f;
-		}
-		
-		/* during 2.41 images with this name were used for viewer node output, lets fix that */
-		if (main->versionfile == 241) {
-			Image *ima;
-			for (ima= main->image.first; ima; ima= ima->id.next)
-				if (strcmp(ima->name, "Compositor")==0) {
-					strcpy(ima->id.name+2, "Viewer Node");
-					strcpy(ima->name, "Viewer Node");
-				}
-		}
-	}
-		
-	if (main->versionfile <= 242) {
-		Scene *sce;
-		bScreen *sc;
-		Object *ob;
-		Curve *cu;
-		Material *ma;
-		Mesh *me;
-		Group *group;
-		Nurb *nu;
-		BezTriple *bezt;
-		BPoint *bp;
-		bNodeTree *ntree;
-		int a;
-		
-		for (sc= main->screen.first; sc; sc= sc->id.next) {
-			ScrArea *sa;
-			sa= sc->areabase.first;
-			while (sa) {
-				SpaceLink *sl;
-
-				for (sl= sa->spacedata.first; sl; sl= sl->next) {
-					if (sl->spacetype==SPACE_VIEW3D) {
-						View3D *v3d= (View3D*) sl;
-						if (v3d->gridsubdiv == 0)
-							v3d->gridsubdiv = 10;
-					}
-				}
-				sa = sa->next;
-			}
-		}
-		
-		for (sce= main->scene.first; sce; sce= sce->id.next) {
-			if (sce->toolsettings->select_thresh == 0.0f)
-				sce->toolsettings->select_thresh= 0.01f;
-			if (sce->toolsettings->clean_thresh == 0.0f) 
-				sce->toolsettings->clean_thresh = 0.1f;
-				
-			if (sce->r.threads==0) {
-				if (sce->r.mode & R_THREADS)
-					sce->r.threads= 2;
-				else
-					sce->r.threads= 1;
-			}
-			if (sce->nodetree)
-				ntree_version_242(sce->nodetree);
-		}
-		
-		for (ntree= main->nodetree.first; ntree; ntree= ntree->id.next)
-			ntree_version_242(ntree);
-		
-		/* add default radius values to old curve points */
-		for (cu= main->curve.first; cu; cu= cu->id.next) {
-			for (nu= cu->nurb.first; nu; nu= nu->next) {
-				if (nu) {
-					if (nu->bezt) {
-						for (bezt=nu->bezt, a=0; a<nu->pntsu; a++, bezt++) {
-							if (!bezt->radius) bezt->radius= 1.0;
-						}
-					}
-					else if (nu->bp) {
-						for (bp=nu->bp, a=0; a<nu->pntsu*nu->pntsv; a++, bp++) {
-							if (!bp->radius) bp->radius= 1.0;
-						}
-					}
-				}
-			}
-		}
-		
-		for (ob = main->object.first; ob; ob= ob->id.next) {
-			ModifierData *md;
-			ListBase *list;
-			list = &ob->constraints;
-
-			/* check for already existing MinMax (floor) constraint
-			 * and update the sticky flagging */
-
-			if (list) {
-				bConstraint *curcon;
-				for (curcon = list->first; curcon; curcon=curcon->next) {
-					switch (curcon->type) {
-						case CONSTRAINT_TYPE_MINMAX:
-						{
-							bMinMaxConstraint *data = curcon->data;
-							if (data->sticky==1) 
-								data->flag |= MINMAX_STICKY;
-							else 
-								data->flag &= ~MINMAX_STICKY;
-						}
-							break;
-						case CONSTRAINT_TYPE_ROTLIKE:
-						{
-							bRotateLikeConstraint *data = curcon->data;
-							
-							/* version patch from buttons_object.c */
-							if (data->flag==0)
-								data->flag = ROTLIKE_X|ROTLIKE_Y|ROTLIKE_Z;
-						}
-							break;
-					}
-				}
-			}
-
-			if (ob->type == OB_ARMATURE) {
-				if (ob->pose) {
-					bConstraint *curcon;
-					bPoseChannel *pchan;
-					for (pchan = ob->pose->chanbase.first; pchan; pchan=pchan->next) {
-						for (curcon = pchan->constraints.first; curcon; curcon=curcon->next) {
-							switch (curcon->type) {
-								case CONSTRAINT_TYPE_MINMAX:
-								{
-									bMinMaxConstraint *data = curcon->data;
-									if (data->sticky==1) 
-										data->flag |= MINMAX_STICKY;
-									else 
-										data->flag &= ~MINMAX_STICKY;
-								}
-									break;
-								case CONSTRAINT_TYPE_KINEMATIC:
-								{
-									bKinematicConstraint *data = curcon->data;
-									if (!(data->flag & CONSTRAINT_IK_POS)) {
-										data->flag |= CONSTRAINT_IK_POS;
-										data->flag |= CONSTRAINT_IK_STRETCH;
-									}
-								}
-									break;
-								case CONSTRAINT_TYPE_ROTLIKE:
-								{
-									bRotateLikeConstraint *data = curcon->data;
-									
-									/* version patch from buttons_object.c */
-									if (data->flag==0)
-										data->flag = ROTLIKE_X|ROTLIKE_Y|ROTLIKE_Z;
-								}
-									break;
-							}
-						}
-					}
-				}
-			}
-			
-			/* copy old object level track settings to curve modifers */
-			for (md=ob->modifiers.first; md; md=md->next) {
-				if (md->type==eModifierType_Curve) {
-					CurveModifierData *cmd = (CurveModifierData*) md;
-
-					if (cmd->defaxis == 0) cmd->defaxis = ob->trackflag+1;
-				}
-			}
-			
-		}
-		
-		for (ma = main->mat.first; ma; ma= ma->id.next) {
-			if (ma->shad_alpha==0.0f)
-				ma->shad_alpha= 1.0f;
-			if (ma->nodetree)
-				ntree_version_242(ma->nodetree);
-		}
-
-		for (me=main->mesh.first; me; me=me->id.next)
-			customdata_version_242(me);
-		
-		for (group= main->group.first; group; group= group->id.next)
-			if (group->layer==0)
-				group->layer= (1<<20)-1;
-
-		/* now, subversion control! */
-		if (main->subversionfile < 3) {
-			Image *ima;
-			Tex *tex;
-			
-			/* Image refactor initialize */
-			for (ima= main->image.first; ima; ima= ima->id.next) {
-				ima->source= IMA_SRC_FILE;
-				ima->type= IMA_TYPE_IMAGE;
-				
-				ima->gen_x= 256; ima->gen_y= 256;
-				ima->gen_type= 1;
-				
-				if (0==strncmp(ima->id.name+2, "Viewer Node", sizeof(ima->id.name)-2)) {
-					ima->source= IMA_SRC_VIEWER;
-					ima->type= IMA_TYPE_COMPOSITE;
-				}
-				if (0==strncmp(ima->id.name+2, "Render Result", sizeof(ima->id.name)-2)) {
-					ima->source= IMA_SRC_VIEWER;
-					ima->type= IMA_TYPE_R_RESULT;
-				}
-				
-			}
-			for (tex= main->tex.first; tex; tex= tex->id.next) {
-				if (tex->type==TEX_IMAGE && tex->ima) {
-					ima= newlibadr(fd, lib, tex->ima);
-					if (tex->imaflag & TEX_ANIM5_)
-						ima->source= IMA_SRC_MOVIE;
-					if (tex->imaflag & TEX_FIELDS_)
-						ima->flag |= IMA_FIELDS;
-					if (tex->imaflag & TEX_STD_FIELD_)
-						ima->flag |= IMA_STD_FIELD;
-				}
-				tex->iuser.frames= tex->frames;
-				tex->iuser.fie_ima= (char)tex->fie_ima;
-				tex->iuser.offset= tex->offset;
-				tex->iuser.sfra= tex->sfra;
-				tex->iuser.cycl= (tex->imaflag & TEX_ANIMCYCLIC_)!=0;
-			}
-			for (sce= main->scene.first; sce; sce= sce->id.next) {
-				if (sce->nodetree)
-					do_version_ntree_242_2(sce->nodetree);
-			}
-			for (ntree= main->nodetree.first; ntree; ntree= ntree->id.next)
-				do_version_ntree_242_2(ntree);
-			for (ma = main->mat.first; ma; ma= ma->id.next)
-				if (ma->nodetree)
-					do_version_ntree_242_2(ma->nodetree);
-			
-			for (sc= main->screen.first; sc; sc= sc->id.next) {
-				ScrArea *sa;
-				for (sa= sc->areabase.first; sa; sa= sa->next) {
-					SpaceLink *sl;
-					for (sl= sa->spacedata.first; sl; sl= sl->next) {
-						if (sl->spacetype==SPACE_IMAGE)
-							((SpaceImage *)sl)->iuser.fie_ima= 2;
-						else if (sl->spacetype==SPACE_VIEW3D) {
-							View3D *v3d= (View3D *)sl;
-							BGpic *bgpic;
-							for (bgpic= v3d->bgpicbase.first; bgpic; bgpic= bgpic->next)
-								bgpic->iuser.fie_ima= 2;
-						}
-					}
-				}
-			}
-		}
-		
-		if (main->subversionfile < 4) {
-			for (sce= main->scene.first; sce; sce= sce->id.next) {
-				sce->r.bake_mode= 1;	/* prevent to include render stuff here */
-				sce->r.bake_filter= 2;
-				sce->r.bake_osa= 5;
-				sce->r.bake_flag= R_BAKE_CLEAR;
-			}
-		}
-
-		if (main->subversionfile < 5) {
-			for (sce= main->scene.first; sce; sce= sce->id.next) {
-				/* improved triangle to quad conversion settings */
-				if (sce->toolsettings->jointrilimit==0.0f)
-					sce->toolsettings->jointrilimit= 0.8f;
-			}
-		}
-	}
-	if (main->versionfile <= 243) {
-		Object *ob= main->object.first;
-		Material *ma;
-
-		for (ma=main->mat.first; ma; ma= ma->id.next) {
-			if (ma->sss_scale==0.0f) {
-				ma->sss_radius[0]= 1.0f;
-				ma->sss_radius[1]= 1.0f;
-				ma->sss_radius[2]= 1.0f;
-				ma->sss_col[0]= 0.8f;
-				ma->sss_col[1]= 0.8f;
-				ma->sss_col[2]= 0.8f;
-				ma->sss_error= 0.05f;
-				ma->sss_scale= 0.1f;
-				ma->sss_ior= 1.3f;
-				ma->sss_colfac= 1.0f;
-				ma->sss_texfac= 0.0f;
-			}
-			if (ma->sss_front==0 && ma->sss_back==0) {
-				ma->sss_front= 1.0f;
-				ma->sss_back= 1.0f;
-			}
-			if (ma->sss_col[0]==0 && ma->sss_col[1]==0 && ma->sss_col[2]==0) {
-				ma->sss_col[0]= ma->r;
-				ma->sss_col[1]= ma->g;
-				ma->sss_col[2]= ma->b;
-			}
-		}
-		
-		for (; ob; ob= ob->id.next) {
-			bDeformGroup *curdef;
-			
-			for (curdef= ob->defbase.first; curdef; curdef=curdef->next) {
-				/* replace an empty-string name with unique name */
-				if (curdef->name[0] == '\0') {
-					defgroup_unique_name(curdef, ob);
-				}
-			}
-
-			if (main->versionfile < 243 || main->subversionfile < 1) {
-				ModifierData *md;
-
-				/* translate old mirror modifier axis values to new flags */
-				for (md=ob->modifiers.first; md; md=md->next) {
-					if (md->type==eModifierType_Mirror) {
-						MirrorModifierData *mmd = (MirrorModifierData*) md;
-
-						switch (mmd->axis) {
-							case 0:
-								mmd->flag |= MOD_MIR_AXIS_X;
-								break;
-							case 1:
-								mmd->flag |= MOD_MIR_AXIS_Y;
-								break;
-							case 2:
-								mmd->flag |= MOD_MIR_AXIS_Z;
-								break;
-						}
-
-						mmd->axis = 0;
-					}
-				}
-			}
-		}
-		
-		/* render layer added, this is not the active layer */
-		if (main->versionfile <= 243 || main->subversionfile < 2) {
-			Mesh *me;
-			for (me=main->mesh.first; me; me=me->id.next)
-				customdata_version_243(me);
-		}		
-
-	}
-	
-	if (main->versionfile <= 244) {
-		Scene *sce;
-		bScreen *sc;
-		Lamp *la;
-		World *wrld;
-		
-		if (main->versionfile != 244 || main->subversionfile < 2) {
-			for (sce= main->scene.first; sce; sce= sce->id.next)
-				sce->r.mode |= R_SSS;
-
-			/* correct older action editors - incorrect scrolling */
-			for (sc= main->screen.first; sc; sc= sc->id.next) {
-				ScrArea *sa;
-				sa= sc->areabase.first;
-				while (sa) {
-					SpaceLink *sl;
-
-					for (sl= sa->spacedata.first; sl; sl= sl->next) {
-						if (sl->spacetype==SPACE_ACTION) {
-							SpaceAction *saction= (SpaceAction*) sl;
-							
-							saction->v2d.tot.ymin = -1000.0;
-							saction->v2d.tot.ymax = 0.0;
-							
-							saction->v2d.cur.ymin = -75.0;
-							saction->v2d.cur.ymax = 5.0;
-						}
-					}
-					sa = sa->next;
-				}
-			}
-		}
-		if (main->versionfile != 244 || main->subversionfile < 3) {	
-			/* constraints recode version patch used to be here. Moved to 245 now... */
-			
-			
-			for (wrld=main->world.first; wrld; wrld= wrld->id.next) {
-				if (wrld->mode & WO_AMB_OCC)
-					wrld->ao_samp_method = WO_AOSAMP_CONSTANT;
-				else
-					wrld->ao_samp_method = WO_AOSAMP_HAMMERSLEY;
-				
-				wrld->ao_adapt_thresh = 0.005f;
-			}
-			
-			for (la=main->lamp.first; la; la= la->id.next) {
-				if (la->type == LA_AREA)
-					la->ray_samp_method = LA_SAMP_CONSTANT;
-				else
-					la->ray_samp_method = LA_SAMP_HALTON;
-				
-				la->adapt_thresh = 0.001f;
-			}
-		}
-	}
-	if (main->versionfile <= 245) {
-		Scene *sce;
-		Object *ob;
-		Image *ima;
-		Lamp *la;
-		Material *ma;
-		ParticleSettings *part;
-		World *wrld;
-		Mesh *me;
-		bNodeTree *ntree;
-		Tex *tex;
-		ModifierData *md;
-		ParticleSystem *psys;
-		
-		/* unless the file was created 2.44.3 but not 2.45, update the constraints */
-		if ( !(main->versionfile==244 && main->subversionfile==3) &&
-			 ((main->versionfile<245) || (main->versionfile==245 && main->subversionfile==0)) ) 
-		{
-			for (ob = main->object.first; ob; ob= ob->id.next) {
-				ListBase *list;
-				list = &ob->constraints;
-				
-				/* fix up constraints due to constraint recode changes (originally at 2.44.3) */
-				if (list) {
-					bConstraint *curcon;
-					for (curcon = list->first; curcon; curcon=curcon->next) {
-						/* old CONSTRAINT_LOCAL check -> convert to CONSTRAINT_SPACE_LOCAL */
-						if (curcon->flag & 0x20) {
-							curcon->ownspace = CONSTRAINT_SPACE_LOCAL;
-							curcon->tarspace = CONSTRAINT_SPACE_LOCAL;
-						}
-						
-						switch (curcon->type) {
-							case CONSTRAINT_TYPE_LOCLIMIT:
-							{
-								bLocLimitConstraint *data= (bLocLimitConstraint *)curcon->data;
-								
-								/* old limit without parent option for objects */
-								if (data->flag2)
-									curcon->ownspace = CONSTRAINT_SPACE_LOCAL;
-							}
-								break;
-						}	
-					}
-				}
-				
-				/* correctly initialize constinv matrix */
-				unit_m4(ob->constinv);
-				
-				if (ob->type == OB_ARMATURE) {
-					if (ob->pose) {
-						bConstraint *curcon;
-						bPoseChannel *pchan;
-						
-						for (pchan = ob->pose->chanbase.first; pchan; pchan=pchan->next) {
-							/* make sure constraints are all up to date */
-							for (curcon = pchan->constraints.first; curcon; curcon=curcon->next) {
-								/* old CONSTRAINT_LOCAL check -> convert to CONSTRAINT_SPACE_LOCAL */
-								if (curcon->flag & 0x20) {
-									curcon->ownspace = CONSTRAINT_SPACE_LOCAL;
-									curcon->tarspace = CONSTRAINT_SPACE_LOCAL;
-								}
-								
-								switch (curcon->type) {
-									case CONSTRAINT_TYPE_ACTION:
-									{
-										bActionConstraint *data= (bActionConstraint *)curcon->data;
-										
-										/* 'data->local' used to mean that target was in local-space */
-										if (data->local)
-											curcon->tarspace = CONSTRAINT_SPACE_LOCAL;
-									}							
-										break;
-								}
-							}
-							
-							/* correctly initialize constinv matrix */
-							unit_m4(pchan->constinv);
-						}
-					}
-				}
-			}
-		}
-		
-		/* fix all versions before 2.45 */
-		if (main->versionfile != 245) {
-
-			/* repair preview from 242 - 244*/
-			for (ima= main->image.first; ima; ima= ima->id.next) {
-				ima->preview = NULL;
-			}
-		}
-
-		/* add point caches */
-		for (ob=main->object.first; ob; ob=ob->id.next) {
-			if (ob->soft && !ob->soft->pointcache)
-				ob->soft->pointcache= BKE_ptcache_add(&ob->soft->ptcaches);
-
-			for (psys=ob->particlesystem.first; psys; psys=psys->next) {
-				if (psys->pointcache) {
-					if (psys->pointcache->flag & PTCACHE_BAKED && (psys->pointcache->flag & PTCACHE_DISK_CACHE)==0) {
-						printf("Old memory cache isn't supported for particles, so re-bake the simulation!\n");
-						psys->pointcache->flag &= ~PTCACHE_BAKED;
-					}
-				}
-				else
-					psys->pointcache= BKE_ptcache_add(&psys->ptcaches);
-			}
-
-			for (md=ob->modifiers.first; md; md=md->next) {
-				if (md->type==eModifierType_Cloth) {
-					ClothModifierData *clmd = (ClothModifierData*) md;
-					if (!clmd->point_cache)
-						clmd->point_cache= BKE_ptcache_add(&clmd->ptcaches);
-				}
-			}
-		}
-
-		/* Copy over old per-level multires vertex data
-		 * into a single vertex array in struct Multires */
-		for (me = main->mesh.first; me; me=me->id.next) {
-			if (me->mr && !me->mr->verts) {
-				MultiresLevel *lvl = me->mr->levels.last;
-				if (lvl) {
-					me->mr->verts = lvl->verts;
-					lvl->verts = NULL;
-					/* Don't need the other vert arrays */
-					for (lvl = lvl->prev; lvl; lvl = lvl->prev) {
-						MEM_freeN(lvl->verts);
-						lvl->verts = NULL;
-					}
-				}
-			}
-		}
-		
-		if (main->versionfile != 245 || main->subversionfile < 1) {
-			for (la=main->lamp.first; la; la= la->id.next) {
-				if (la->mode & LA_QUAD) la->falloff_type = LA_FALLOFF_SLIDERS;
-				else la->falloff_type = LA_FALLOFF_INVLINEAR;
-				
-				if (la->curfalloff == NULL) {
-					la->curfalloff = curvemapping_add(1, 0.0f, 1.0f, 1.0f, 0.0f);
-					curvemapping_initialize(la->curfalloff);
-				}
-			}
-		}		
-		
-		for (ma=main->mat.first; ma; ma= ma->id.next) {
-			if (ma->samp_gloss_mir == 0) {
-				ma->gloss_mir = ma->gloss_tra= 1.0f;
-				ma->aniso_gloss_mir = 1.0f;
-				ma->samp_gloss_mir = ma->samp_gloss_tra= 18;
-				ma->adapt_thresh_mir = ma->adapt_thresh_tra = 0.005f;
-				ma->dist_mir = 0.0f;
-				ma->fadeto_mir = MA_RAYMIR_FADETOSKY;
-			}
-
-			if (ma->strand_min == 0.0f)
-				ma->strand_min= 1.0f;
-		}
-
-		for (part=main->particle.first; part; part=part->id.next) {
-			if (part->ren_child_nbr==0)
-				part->ren_child_nbr= part->child_nbr;
-
-			if (part->simplify_refsize==0) {
-				part->simplify_refsize= 1920;
-				part->simplify_rate= 1.0f;
-				part->simplify_transition= 0.1f;
-				part->simplify_viewport= 0.8f;
-			}
-		}
-
-		for (wrld=main->world.first; wrld; wrld= wrld->id.next) {
-			if (wrld->ao_approx_error == 0.0f)
-				wrld->ao_approx_error= 0.25f;
-		}
-
-		for (sce= main->scene.first; sce; sce= sce->id.next) {
-			if (sce->nodetree)
-				ntree_version_245(fd, lib, sce->nodetree);
-
-			if (sce->r.simplify_shadowsamples == 0) {
-				sce->r.simplify_subsurf= 6;
-				sce->r.simplify_particles= 1.0f;
-				sce->r.simplify_shadowsamples= 16;
-				sce->r.simplify_aosss= 1.0f;
-			}
-
-			if (sce->r.cineongamma == 0) {
-				sce->r.cineonblack= 95;
-				sce->r.cineonwhite= 685;
-				sce->r.cineongamma= 1.7f;
-			}
-		}
-
-		for (ntree=main->nodetree.first; ntree; ntree= ntree->id.next)
-			ntree_version_245(fd, lib, ntree);
-
-		/* fix for temporary flag changes during 245 cycle */
-		for (ima= main->image.first; ima; ima= ima->id.next) {
-			if (ima->flag & IMA_OLD_PREMUL) {
-				ima->flag &= ~IMA_OLD_PREMUL;
-				ima->flag |= IMA_DO_PREMUL;
-			}
-		}
-
-		for (tex=main->tex.first; tex; tex=tex->id.next) {
-			if (tex->iuser.flag & IMA_OLD_PREMUL) {
-				tex->iuser.flag &= ~IMA_OLD_PREMUL;
-				tex->iuser.flag |= IMA_DO_PREMUL;
-
-			}
-
-			ima= newlibadr(fd, lib, tex->ima);
-			if (ima && (tex->iuser.flag & IMA_DO_PREMUL)) {
-				ima->flag &= ~IMA_OLD_PREMUL;
-				ima->flag |= IMA_DO_PREMUL;
-			}
-		}
-	}
-	
-	/* sanity check for skgen
-	 * */
-	{
-		Scene *sce;
-		for (sce=main->scene.first; sce; sce = sce->id.next) {
-			if (sce->toolsettings->skgen_subdivisions[0] == sce->toolsettings->skgen_subdivisions[1] ||
-				sce->toolsettings->skgen_subdivisions[0] == sce->toolsettings->skgen_subdivisions[2] ||
-				sce->toolsettings->skgen_subdivisions[1] == sce->toolsettings->skgen_subdivisions[2])
-			{
-					sce->toolsettings->skgen_subdivisions[0] = SKGEN_SUB_CORRELATION;
-					sce->toolsettings->skgen_subdivisions[1] = SKGEN_SUB_LENGTH;
-					sce->toolsettings->skgen_subdivisions[2] = SKGEN_SUB_ANGLE;
-			}
-		}
-	}
-	
-
-	if ((main->versionfile < 245) || (main->versionfile == 245 && main->subversionfile < 2)) {
-		Image *ima;
-
-		/* initialize 1:1 Aspect */
-		for (ima= main->image.first; ima; ima= ima->id.next) {
-			ima->aspx = ima->aspy = 1.0f;				
-		}
-
-	}
-
-	if ((main->versionfile < 245) || (main->versionfile == 245 && main->subversionfile < 4)) {
-		bArmature *arm;
-		ModifierData *md;
-		Object *ob;
-		
-		for (arm= main->armature.first; arm; arm= arm->id.next)
-			arm->deformflag |= ARM_DEF_B_BONE_REST;
-		
-		for (ob = main->object.first; ob; ob= ob->id.next) {
-			for (md=ob->modifiers.first; md; md=md->next) {
-				if (md->type==eModifierType_Armature)
-					((ArmatureModifierData*)md)->deformflag |= ARM_DEF_B_BONE_REST;
-			}
-		}
-	}
-
-	if ((main->versionfile < 245) || (main->versionfile == 245 && main->subversionfile < 5)) {
-		/* foreground color needs to be something other then black */
-		Scene *sce;
-		for (sce= main->scene.first; sce; sce=sce->id.next) {
-			sce->r.fg_stamp[0] = sce->r.fg_stamp[1] = sce->r.fg_stamp[2] = 0.8f;
-			sce->r.fg_stamp[3] = 1.0f; /* don't use text alpha yet */
-			sce->r.bg_stamp[3] = 0.25f; /* make sure the background has full alpha */
-		}
-	}
-
-	
-	if ((main->versionfile < 245) || (main->versionfile == 245 && main->subversionfile < 6)) {
-		Scene *sce;
-		/* fix frs_sec_base */
-		for (sce= main->scene.first; sce; sce= sce->id.next) {
-			if (sce->r.frs_sec_base == 0) {
-				sce->r.frs_sec_base = 1;
-			}
-		}
-	}
-	
-	if ((main->versionfile < 245) || (main->versionfile == 245 && main->subversionfile < 7)) {
-		Object *ob;
-		bPoseChannel *pchan;
-		bConstraint *con;
-		bConstraintTarget *ct;
-		
-		for (ob = main->object.first; ob; ob= ob->id.next) {
-			if (ob->pose) {
-				for (pchan=ob->pose->chanbase.first; pchan; pchan=pchan->next) {
-					for (con=pchan->constraints.first; con; con=con->next) {
-						if (con->type == CONSTRAINT_TYPE_PYTHON) {
-							bPythonConstraint *data= (bPythonConstraint *)con->data;
-							if (data->tar) {
-								/* version patching needs to be done */
-								ct= MEM_callocN(sizeof(bConstraintTarget), "PyConTarget");
-								
-								ct->tar = data->tar;
-								BLI_strncpy(ct->subtarget, data->subtarget, sizeof(ct->subtarget));
-								ct->space = con->tarspace;
-								
-								BLI_addtail(&data->targets, ct);
-								data->tarnum++;
-								
-								/* clear old targets to avoid problems */
-								data->tar = NULL;
-								data->subtarget[0]= '\0';
-							}
-						}
-						else if (con->type == CONSTRAINT_TYPE_LOCLIKE) {
-							bLocateLikeConstraint *data= (bLocateLikeConstraint *)con->data;
-							
-							/* new headtail functionality makes Bone-Tip function obsolete */
-							if (data->flag & LOCLIKE_TIP)
-								con->headtail = 1.0f;
-						}
-					}
-				}
-			}
-			
-			for (con=ob->constraints.first; con; con=con->next) {
-				if (con->type==CONSTRAINT_TYPE_PYTHON) {
-					bPythonConstraint *data= (bPythonConstraint *)con->data;
-					if (data->tar) {
-						/* version patching needs to be done */
-						ct= MEM_callocN(sizeof(bConstraintTarget), "PyConTarget");
-						
-						ct->tar = data->tar;
-						BLI_strncpy(ct->subtarget, data->subtarget, sizeof(ct->subtarget));
-						ct->space = con->tarspace;
-						
-						BLI_addtail(&data->targets, ct);
-						data->tarnum++;
-						
-						/* clear old targets to avoid problems */
-						data->tar = NULL;
-						data->subtarget[0]= '\0';
-					}
-				}
-				else if (con->type == CONSTRAINT_TYPE_LOCLIKE) {
-					bLocateLikeConstraint *data= (bLocateLikeConstraint *)con->data;
-					
-					/* new headtail functionality makes Bone-Tip function obsolete */
-					if (data->flag & LOCLIKE_TIP)
-						con->headtail = 1.0f;
-				}
-			}
-
-			if (ob->soft && ob->soft->keys) {
-				SoftBody *sb = ob->soft;
-				int k;
-
-				for (k=0; k<sb->totkey; k++) {
-					if (sb->keys[k])
-						MEM_freeN(sb->keys[k]);
-				}
-
-				MEM_freeN(sb->keys);
-
-				sb->keys = NULL;
-				sb->totkey = 0;
-			}
-		}
-	}
-
-	if ((main->versionfile < 245) || (main->versionfile == 245 && main->subversionfile < 8)) {
-		Scene *sce;
-		Object *ob;
-		PartEff *paf=NULL;
-
-		for (ob = main->object.first; ob; ob= ob->id.next) {
-			if (ob->soft && ob->soft->keys) {
-				SoftBody *sb = ob->soft;
-				int k;
-
-				for (k=0; k<sb->totkey; k++) {
-					if (sb->keys[k])
-						MEM_freeN(sb->keys[k]);
-				}
-
-				MEM_freeN(sb->keys);
-
-				sb->keys = NULL;
-				sb->totkey = 0;
-			}
-
-			/* convert old particles to new system */
-			if ((paf = do_version_give_parteff_245(ob))) {
-				ParticleSystem *psys;
-				ModifierData *md;
-				ParticleSystemModifierData *psmd;
-				ParticleSettings *part;
-
-				/* create new particle system */
-				psys = MEM_callocN(sizeof(ParticleSystem), "particle_system");
-				psys->pointcache = BKE_ptcache_add(&psys->ptcaches);
-
-				part = psys->part = psys_new_settings("ParticleSettings", main);
-				
-				/* needed for proper libdata lookup */
-				oldnewmap_insert(fd->libmap, psys->part, psys->part, 0);
-				part->id.lib= ob->id.lib;
-
-				part->id.us--;
-				part->id.flag |= (ob->id.flag & LIB_NEEDLINK);
-				
-				psys->totpart=0;
-				psys->flag= PSYS_ENABLED|PSYS_CURRENT;
-
-				BLI_addtail(&ob->particlesystem, psys);
-
-				md= modifier_new(eModifierType_ParticleSystem);
-				BLI_snprintf(md->name, sizeof(md->name), "ParticleSystem %i", BLI_countlist(&ob->particlesystem));
-				psmd= (ParticleSystemModifierData*) md;
-				psmd->psys=psys;
-				BLI_addtail(&ob->modifiers, md);
-
-				/* convert settings from old particle system */
-				/* general settings */
-				part->totpart = MIN2(paf->totpart, 100000);
-				part->sta = paf->sta;
-				part->end = paf->end;
-				part->lifetime = paf->lifetime;
-				part->randlife = paf->randlife;
-				psys->seed = paf->seed;
-				part->disp = paf->disp;
-				part->omat = paf->mat[0];
-				part->hair_step = paf->totkey;
-
-				part->eff_group = paf->group;
-
-				/* old system didn't interpolate between keypoints at render time */
-				part->draw_step = part->ren_step = 0;
-
-				/* physics */
-				part->normfac = paf->normfac * 25.0f;
-				part->obfac = paf->obfac;
-				part->randfac = paf->randfac * 25.0f;
-				part->dampfac = paf->damp;
-				copy_v3_v3(part->acc, paf->force);
-
-				/* flags */
-				if (paf->stype & PAF_VECT) {
-					if (paf->flag & PAF_STATIC) {
-						/* new hair lifetime is always 100.0f */
-						float fac = paf->lifetime / 100.0f;
-
-						part->draw_as = PART_DRAW_PATH;
-						part->type = PART_HAIR;
-						psys->recalc |= PSYS_RECALC_REDO;
-
-						part->normfac *= fac;
-						part->randfac *= fac;
-					}
-					else {
-						part->draw_as = PART_DRAW_LINE;
-						part->draw |= PART_DRAW_VEL_LENGTH;
-						part->draw_line[1] = 0.04f;
-					}
-				}
-
-				part->rotmode = PART_ROT_VEL;
-				
-				part->flag |= (paf->flag & PAF_BSPLINE) ? PART_HAIR_BSPLINE : 0;
-				part->flag |= (paf->flag & PAF_TRAND) ? PART_TRAND : 0;
-				part->flag |= (paf->flag & PAF_EDISTR) ? PART_EDISTR : 0;
-				part->flag |= (paf->flag & PAF_UNBORN) ? PART_UNBORN : 0;
-				part->flag |= (paf->flag & PAF_DIED) ? PART_DIED : 0;
-				part->from |= (paf->flag & PAF_FACE) ? PART_FROM_FACE : 0;
-				part->draw |= (paf->flag & PAF_SHOWE) ? PART_DRAW_EMITTER : 0;
-
-				psys->vgroup[PSYS_VG_DENSITY] = paf->vertgroup;
-				psys->vgroup[PSYS_VG_VEL] = paf->vertgroup_v;
-				psys->vgroup[PSYS_VG_LENGTH] = paf->vertgroup_v;
-
-				/* dupliobjects */
-				if (ob->transflag & OB_DUPLIVERTS) {
-					Object *dup = main->object.first;
-
-					for (; dup; dup= dup->id.next) {
-						if (ob == newlibadr(fd, lib, dup->parent)) {
-							part->dup_ob = dup;
-							ob->transflag |= OB_DUPLIPARTS;
-							ob->transflag &= ~OB_DUPLIVERTS;
-
-							part->draw_as = PART_DRAW_OB;
-
-							/* needed for proper libdata lookup */
-							oldnewmap_insert(fd->libmap, dup, dup, 0);
-						}
-					}
-				}
-
-				
-				{
-					FluidsimModifierData *fluidmd = (FluidsimModifierData *)modifiers_findByType(ob, eModifierType_Fluidsim);
-					if (fluidmd && fluidmd->fss && fluidmd->fss->type == OB_FLUIDSIM_PARTICLE)
-						part->type = PART_FLUID;
-				}
-
-				do_version_free_effects_245(&ob->effect);
-
-				printf("Old particle system converted to new system.\n");
-			}
-		}
-
-		for (sce= main->scene.first; sce; sce=sce->id.next) {
-			ParticleEditSettings *pset= &sce->toolsettings->particle;
-			int a;
-
-			if (pset->brush[0].size == 0) {
-				pset->flag= PE_KEEP_LENGTHS|PE_LOCK_FIRST|PE_DEFLECT_EMITTER;
-				pset->emitterdist= 0.25f;
-				pset->totrekey= 5;
-				pset->totaddkey= 5;
-				pset->brushtype= PE_BRUSH_NONE;
-
-				for (a=0; a<PE_TOT_BRUSH; a++) {
-					pset->brush[a].strength= 50;
-					pset->brush[a].size= 50;
-					pset->brush[a].step= 10;
-				}
-
-				pset->brush[PE_BRUSH_CUT].strength= 100;
-			}
-		}
-	}
-	if ((main->versionfile < 245) || (main->versionfile == 245 && main->subversionfile < 9)) {
-		Material *ma;
-		int a;
-
-		for (ma=main->mat.first; ma; ma= ma->id.next)
-			if (ma->mode & MA_NORMAP_TANG)
-				for (a=0; a<MAX_MTEX; a++)
-					if (ma->mtex[a] && ma->mtex[a]->tex)
-						ma->mtex[a]->normapspace = MTEX_NSPACE_TANGENT;
-	}
-	
-	if ((main->versionfile < 245) || (main->versionfile == 245 && main->subversionfile < 10)) {
-		Object *ob;
-		
-		/* dupliface scale */
-		for (ob= main->object.first; ob; ob= ob->id.next)
-			ob->dupfacesca = 1.0f;
-	}
-	
-	if ((main->versionfile < 245) || (main->versionfile == 245 && main->subversionfile < 11)) {
-		Object *ob;
-		bActionStrip *strip;
-		
-		/* nla-strips - scale */		
-		for (ob= main->object.first; ob; ob= ob->id.next) {
-			for (strip= ob->nlastrips.first; strip; strip= strip->next) {
-				float length, actlength, repeat;
-				
-				if (strip->flag & ACTSTRIP_USESTRIDE)
-					repeat= 1.0f;
-				else
-					repeat= strip->repeat;
-				
-				length = strip->end-strip->start;
-				if (length == 0.0f) length= 1.0f;
-				actlength = strip->actend-strip->actstart;
-				
-				strip->scale = length / (repeat * actlength);
-				if (strip->scale == 0.0f) strip->scale= 1.0f;
-			}	
-			if (ob->soft) {
-				ob->soft->inpush =  ob->soft->inspring;
-				ob->soft->shearstiff = 1.0f; 
-			}
-		}
-	}
-
-	if ((main->versionfile < 245) || (main->versionfile == 245 && main->subversionfile < 14)) {
-		Scene *sce;
-		Sequence *seq;
-		
-		for (sce=main->scene.first; sce; sce=sce->id.next) {
-			SEQ_BEGIN (sce->ed, seq)
-			{
-				if (seq->blend_mode == 0)
-					seq->blend_opacity = 100.0f;
-			}
-			SEQ_END
-		}
-	}
-	
-	/*fix broken group lengths in id properties*/
-	if ((main->versionfile < 245) || (main->versionfile == 245 && main->subversionfile < 15)) {
-		idproperties_fix_group_lengths(main->scene);
-		idproperties_fix_group_lengths(main->library);
-		idproperties_fix_group_lengths(main->object);
-		idproperties_fix_group_lengths(main->mesh);
-		idproperties_fix_group_lengths(main->curve);
-		idproperties_fix_group_lengths(main->mball);
-		idproperties_fix_group_lengths(main->mat);
-		idproperties_fix_group_lengths(main->tex);
-		idproperties_fix_group_lengths(main->image);
-		idproperties_fix_group_lengths(main->latt);
-		idproperties_fix_group_lengths(main->lamp);
-		idproperties_fix_group_lengths(main->camera);
-		idproperties_fix_group_lengths(main->ipo);
-		idproperties_fix_group_lengths(main->key);
-		idproperties_fix_group_lengths(main->world);
-		idproperties_fix_group_lengths(main->screen);
-		idproperties_fix_group_lengths(main->script);
-		idproperties_fix_group_lengths(main->vfont);
-		idproperties_fix_group_lengths(main->text);
-		idproperties_fix_group_lengths(main->sound);
-		idproperties_fix_group_lengths(main->group);
-		idproperties_fix_group_lengths(main->armature);
-		idproperties_fix_group_lengths(main->action);
-		idproperties_fix_group_lengths(main->nodetree);
-		idproperties_fix_group_lengths(main->brush);
-		idproperties_fix_group_lengths(main->particle);		
-	}
-
-	/* sun/sky */
-	if (main->versionfile < 246) {
-		Object *ob;
-		bActuator *act;
-
-		/* dRot actuator change direction in 2.46 */
-		for (ob = main->object.first; ob; ob= ob->id.next) {
-			for (act= ob->actuators.first; act; act= act->next) {
-				if (act->type == ACT_OBJECT) {
-					bObjectActuator *ba= act->data;
-
-					ba->drot[0] = -ba->drot[0];
-					ba->drot[1] = -ba->drot[1];
-					ba->drot[2] = -ba->drot[2];
-				}
-			}
-		}
-	}
-	
-	// convert fluids to modifier
-	if (main->versionfile < 246 || (main->versionfile == 246 && main->subversionfile < 1)) {
-		Object *ob;
-		
-		for (ob = main->object.first; ob; ob= ob->id.next) {
-			if (ob->fluidsimSettings) {
-				FluidsimModifierData *fluidmd = (FluidsimModifierData *)modifier_new(eModifierType_Fluidsim);
-				BLI_addhead(&ob->modifiers, (ModifierData *)fluidmd);
-				
-				MEM_freeN(fluidmd->fss);
-				fluidmd->fss = MEM_dupallocN(ob->fluidsimSettings);
-				fluidmd->fss->ipo = newlibadr_us(fd, ob->id.lib, ob->fluidsimSettings->ipo);
-				MEM_freeN(ob->fluidsimSettings);
-				
-				fluidmd->fss->lastgoodframe = INT_MAX;
-				fluidmd->fss->flag = 0;
-				fluidmd->fss->meshVelocities = NULL;
-			}
-		}
-	}
-	
-
-	if (main->versionfile < 246 || (main->versionfile == 246 && main->subversionfile < 1)) {
-		Mesh *me;
-
-		for (me=main->mesh.first; me; me= me->id.next)
-			alphasort_version_246(fd, lib, me);
-	}
-	
-	if (main->versionfile < 246 || (main->versionfile == 246 && main->subversionfile < 1)) {
-		Object *ob;
-		for (ob = main->object.first; ob; ob= ob->id.next) {
-			if (ob->pd && (ob->pd->forcefield == PFIELD_WIND))
-				ob->pd->f_noise = 0.0f;
-		}
-	}
-
-	if (main->versionfile < 247 || (main->versionfile == 247 && main->subversionfile < 2)) {
-		Object *ob;
-		for (ob = main->object.first; ob; ob= ob->id.next) {
-			ob->gameflag |= OB_COLLISION;
-			ob->margin = 0.06f;
-		}
-	}
-
-	if (main->versionfile < 247 || (main->versionfile == 247 && main->subversionfile < 3)) {
-		Object *ob;
-		for (ob = main->object.first; ob; ob= ob->id.next) {
-			// Starting from subversion 3, ACTOR is a separate feature.
-			// Before it was conditioning all the other dynamic flags
-			if (!(ob->gameflag & OB_ACTOR))
-				ob->gameflag &= ~(OB_GHOST|OB_DYNAMIC|OB_RIGID_BODY|OB_SOFT_BODY|OB_COLLISION_RESPONSE);
-			/* suitable default for older files */
-		}
-	}
-
-	if (main->versionfile < 247 || (main->versionfile == 247 && main->subversionfile < 5)) {
-		Lamp *la= main->lamp.first;
-		for (; la; la= la->id.next) {
-			la->skyblendtype= MA_RAMP_ADD;
-			la->skyblendfac= 1.0f;
-		}
-	}
-	
-	/* set the curve radius interpolation to 2.47 default - easy */
-	if (main->versionfile < 247 || (main->versionfile == 247 && main->subversionfile < 6)) {
-		Curve *cu;
-		Nurb *nu;
-		
-		for (cu= main->curve.first; cu; cu= cu->id.next) {
-			for (nu= cu->nurb.first; nu; nu= nu->next) {
-				if (nu) {
-					nu->radius_interp = 3;
-					
-					/* resolu and resolv are now used differently for surfaces
-					 * rather than using the resolution to define the entire number of divisions,
-					 * use it for the number of divisions per segment
-					 */
-					if (nu->pntsv > 1) {
-						nu->resolu = MAX2( 1, (int)(((float)nu->resolu / (float)nu->pntsu)+0.5f) );
-						nu->resolv = MAX2( 1, (int)(((float)nu->resolv / (float)nu->pntsv)+0.5f) );
-					}
-				}
-			}
-		}
-	}
-	/* direction constraint actuators were always local in previous version */
-	if (main->versionfile < 247 || (main->versionfile == 247 && main->subversionfile < 7)) {
-		bActuator *act;
-		Object *ob;
-		
-		for (ob = main->object.first; ob; ob= ob->id.next) {
-			for (act= ob->actuators.first; act; act= act->next) {
-				if (act->type == ACT_CONSTRAINT) {
-					bConstraintActuator *coa = act->data;
-					if (coa->type == ACT_CONST_TYPE_DIST) {
-						coa->flag |= ACT_CONST_LOCAL;
-					}
-				}
-			}
-		}
-	}
-
-	if (main->versionfile < 247 || (main->versionfile == 247 && main->subversionfile < 9)) {
-		Lamp *la= main->lamp.first;
-		for (; la; la= la->id.next) {
-			la->sky_exposure= 1.0f;
-		}
-	}
-	
-	/* BGE message actuators needed OB prefix, very confusing */
-	if (main->versionfile < 247 || (main->versionfile == 247 && main->subversionfile < 10)) {
-		bActuator *act;
-		Object *ob;
-		
-		for (ob = main->object.first; ob; ob= ob->id.next) {
-			for (act= ob->actuators.first; act; act= act->next) {
-				if (act->type == ACT_MESSAGE) {
-					bMessageActuator *msgAct = (bMessageActuator *) act->data;
-					if (BLI_strnlen(msgAct->toPropName, 3) > 2) {
-						/* strip first 2 chars, would have only worked if these were OB anyway */
-						memmove(msgAct->toPropName, msgAct->toPropName + 2, sizeof(msgAct->toPropName) - 2);
-					}
-					else {
-						msgAct->toPropName[0] = '\0';
-					}
-				}
-			}
-		}
-	}
-
-	if (main->versionfile < 248) {
-		Lamp *la;
-
-		for (la=main->lamp.first; la; la= la->id.next) {
-			if (la->atm_turbidity == 0.0f) {
-				la->sun_effect_type = 0;
-				la->horizon_brightness = 1.0f;
-				la->spread = 1.0f;
-				la->sun_brightness = 1.0f;
-				la->sun_size = 1.0f;
-				la->backscattered_light = 1.0f;
-				la->atm_turbidity = 2.0f;
-				la->atm_inscattering_factor = 1.0f;
-				la->atm_extinction_factor = 1.0f;
-				la->atm_distance_factor = 1.0f;
-				la->sun_intensity = 1.0f;
-			}
-		}
-	}
-
-	if (main->versionfile < 248 || (main->versionfile == 248 && main->subversionfile < 2)) {
-		Scene *sce;
-		
-		/* Note, these will need to be added for painting */
-		for (sce= main->scene.first; sce; sce= sce->id.next) {
-			sce->toolsettings->imapaint.seam_bleed = 2;
-			sce->toolsettings->imapaint.normal_angle = 80;
-
-			/* initialize skeleton generation toolsettings */
-			sce->toolsettings->skgen_resolution = 250;
-			sce->toolsettings->skgen_threshold_internal 	= 0.1f;
-			sce->toolsettings->skgen_threshold_external 	= 0.1f;
-			sce->toolsettings->skgen_angle_limit			= 30.0f;
-			sce->toolsettings->skgen_length_ratio			= 1.3f;
-			sce->toolsettings->skgen_length_limit			= 1.5f;
-			sce->toolsettings->skgen_correlation_limit		= 0.98f;
-			sce->toolsettings->skgen_symmetry_limit			= 0.1f;
-			sce->toolsettings->skgen_postpro = SKGEN_SMOOTH;
-			sce->toolsettings->skgen_postpro_passes = 3;
-			sce->toolsettings->skgen_options = SKGEN_FILTER_INTERNAL|SKGEN_FILTER_EXTERNAL|SKGEN_FILTER_SMART|SKGEN_SUB_CORRELATION|SKGEN_HARMONIC;
-			sce->toolsettings->skgen_subdivisions[0] = SKGEN_SUB_CORRELATION;
-			sce->toolsettings->skgen_subdivisions[1] = SKGEN_SUB_LENGTH;
-			sce->toolsettings->skgen_subdivisions[2] = SKGEN_SUB_ANGLE;
-
-			
-			sce->toolsettings->skgen_retarget_angle_weight = 1.0f;
-			sce->toolsettings->skgen_retarget_length_weight = 1.0f;
-			sce->toolsettings->skgen_retarget_distance_weight = 1.0f;
-	
-			/* Skeleton Sketching */
-			sce->toolsettings->bone_sketching = 0;
-			sce->toolsettings->skgen_retarget_roll = SK_RETARGET_ROLL_VIEW;
-		}
-	}
-	if (main->versionfile < 248 || (main->versionfile == 248 && main->subversionfile < 3)) {
-		bScreen *sc;
-		
-		/* adjust default settings for Animation Editors */
-		for (sc= main->screen.first; sc; sc= sc->id.next) {
-			ScrArea *sa;
-			
-			for (sa= sc->areabase.first; sa; sa= sa->next) { 
-				SpaceLink *sl;
-				
-				for (sl= sa->spacedata.first; sl; sl= sl->next) {
-					switch (sl->spacetype) {
-						case SPACE_ACTION:
-						{
-							SpaceAction *sact= (SpaceAction *)sl;
-							
-							sact->mode= SACTCONT_DOPESHEET;
-							sact->autosnap= SACTSNAP_FRAME;
-						}
-							break;
-						case SPACE_IPO:
-						{
-							SpaceIpo *sipo= (SpaceIpo *)sl;
-							sipo->autosnap= SACTSNAP_FRAME;
-						}
-							break;
-						case SPACE_NLA:
-						{
-							SpaceNla *snla= (SpaceNla *)sl;
-							snla->autosnap= SACTSNAP_FRAME;
-						}
-							break;
-					}
-				}
-			}
-		}
-	}
-
-	if (main->versionfile < 248 || (main->versionfile == 248 && main->subversionfile < 3)) {
-		Object *ob;
-
-		/* Adjustments needed after Bullets update */
-		for (ob = main->object.first; ob; ob= ob->id.next) {
-			ob->damping *= 0.635f;
-			ob->rdamping = 0.1f + (0.8f * ob->rdamping);
-		}
-	}
-	
-	if (main->versionfile < 248 || (main->versionfile == 248 && main->subversionfile < 4)) {
-		Scene *sce;
-		World *wrld;
-
-		/*  Dome (Fisheye) default parameters  */
-		for (sce= main->scene.first; sce; sce= sce->id.next) {
-			sce->r.domeangle = 180;
-			sce->r.domemode = 1;
-			sce->r.domeres = 4;
-			sce->r.domeresbuf = 1.0f;
-			sce->r.dometilt = 0;
-		}
-		/* DBVT culling by default */
-		for (wrld=main->world.first; wrld; wrld= wrld->id.next) {
-			wrld->mode |= WO_DBVT_CULLING;
-			wrld->occlusionRes = 128;
-		}
-	}
-
-	if (main->versionfile < 248 || (main->versionfile == 248 && main->subversionfile < 5)) {
-		Object *ob;
-		World *wrld;
-		for (ob = main->object.first; ob; ob= ob->id.next) {
-			ob->m_contactProcessingThreshold = 1.0f; //pad3 is used for m_contactProcessingThreshold
-			if (ob->parent) {
-				/* check if top parent has compound shape set and if yes, set this object
-				 * to compound shaper as well (was the behavior before, now it's optional) */
-				Object *parent= newlibadr(fd, lib, ob->parent);
-				while (parent && parent != ob &&  parent->parent != NULL) {
-					parent = newlibadr(fd, lib, parent->parent);
-				}
-				if (parent) {
-					if (parent->gameflag & OB_CHILD)
-						ob->gameflag |= OB_CHILD;
-				}
-			}
-		}
-		for (wrld=main->world.first; wrld; wrld= wrld->id.next) {
-			wrld->ticrate = 60;
-			wrld->maxlogicstep = 5;
-			wrld->physubstep = 1;
-			wrld->maxphystep = 5;
-		}
-	}
-	
-	// correct introduce of seed for wind force
-	if (main->versionfile < 249 && main->subversionfile < 1) {
-		Object *ob;
-		for (ob = main->object.first; ob; ob= ob->id.next) {
-			if (ob->pd)
-				ob->pd->seed = ((unsigned int)(ceil(PIL_check_seconds_timer()))+1) % 128;
-		}
-	
-	}
-
-	if (main->versionfile < 249 && main->subversionfile < 2) {
-		Scene *sce= main->scene.first;
-		Sequence *seq;
-		Editing *ed;
-		
-		while (sce) {
-			ed= sce->ed;
-			if (ed) {
-				SEQP_BEGIN (ed, seq)
-				{
-					if (seq->strip && seq->strip->proxy) {
-						seq->strip->proxy->quality =90;
-					}
-				}
-				SEQ_END
-			}
-			
-			sce= sce->id.next;
-		}
-
-	}
-
-	if (main->versionfile < 250) {
-		bScreen *screen;
-		Scene *scene;
-		Base *base;
-		Material *ma;
-		Camera *cam;
-		Mesh *me;
-		Curve *cu;
-		Scene *sce;
-		Tex *tx;
-		ParticleSettings *part;
-		Object *ob;
-		//PTCacheID *pid;
-		//ListBase pidlist;
-
-		bSound *sound;
-		Sequence *seq;
-		bActuator *act;
-		int a;
-
-		for (sound = main->sound.first; sound; sound = sound->id.next) {
-			if (sound->newpackedfile) {
-				sound->packedfile = sound->newpackedfile;
-				sound->newpackedfile = NULL;
-			}
-		}
-
-		for (ob = main->object.first; ob; ob= ob->id.next) {
-			for (act= ob->actuators.first; act; act= act->next) {
-				if (act->type == ACT_SOUND) {
-					bSoundActuator *sAct = (bSoundActuator*) act->data;
-					if (sAct->sound) {
-						sound = newlibadr(fd, lib, sAct->sound);
-						sAct->flag = sound->flags & SOUND_FLAGS_3D ? ACT_SND_3D_SOUND : 0;
-						sAct->pitch = sound->pitch;
-						sAct->volume = sound->volume;
-						sAct->sound3D.reference_distance = sound->distance;
-						sAct->sound3D.max_gain = sound->max_gain;
-						sAct->sound3D.min_gain = sound->min_gain;
-						sAct->sound3D.rolloff_factor = sound->attenuation;
-					}
-					else {
-						sAct->sound3D.reference_distance = 1.0f;
-						sAct->volume = 1.0f;
-						sAct->sound3D.max_gain = 1.0f;
-						sAct->sound3D.rolloff_factor = 1.0f;
-					}
-					sAct->sound3D.cone_inner_angle = 360.0f;
-					sAct->sound3D.cone_outer_angle = 360.0f;
-					sAct->sound3D.max_distance = FLT_MAX;
-				}
-			}
-		}
-
-		for (scene = main->scene.first; scene; scene = scene->id.next) {
-			if (scene->ed && scene->ed->seqbasep) {
-				SEQ_BEGIN (scene->ed, seq)
-				{
-					if (seq->type == SEQ_HD_SOUND) {
-						char str[FILE_MAX];
-						BLI_join_dirfile(str, sizeof(str), seq->strip->dir, seq->strip->stripdata->name);
-						BLI_path_abs(str, main->name);
-						seq->sound = sound_new_file(main, str);
-					}
-					/* don't know, if anybody used that
-					 * this way, but just in case, upgrade
-					 * to new way... */
-					if ((seq->flag & SEQ_USE_PROXY_CUSTOM_FILE) &&
-					   !(seq->flag & SEQ_USE_PROXY_CUSTOM_DIR))
-					{
-						
-						BLI_snprintf(seq->strip->proxy->dir, 
-							 FILE_MAXDIR, "%s/BL_proxy", 
-							 seq->strip->dir);
-					}
-				}
-				SEQ_END
-			}
-		}
-
-		for (screen= main->screen.first; screen; screen= screen->id.next) {
-			do_versions_windowmanager_2_50(screen);
-			do_versions_gpencil_2_50(main, screen);
-		}
-		
-		/* shader, composite and texture node trees have id.name empty, put something in
-		 * to have them show in RNA viewer and accessible otherwise.
-		 */
-		for (ma= main->mat.first; ma; ma= ma->id.next) {
-			if (ma->nodetree && ma->nodetree->id.name[0] == '\0')
-				strcpy(ma->nodetree->id.name, "NTShader Nodetree");
-			
-			/* which_output 0 is now "not specified" */
-			for (a=0; a<MAX_MTEX; a++) {
-				if (ma->mtex[a]) {
-					tx= newlibadr(fd, lib, ma->mtex[a]->tex);
-					if (tx && tx->use_nodes)
-						ma->mtex[a]->which_output++;
-				}
-			}
-		}
-		/* and composite trees */
-		for (sce= main->scene.first; sce; sce= sce->id.next) {
-			if (sce->nodetree && sce->nodetree->id.name[0] == '\0')
-				strcpy(sce->nodetree->id.name, "NTCompositing Nodetree");
-
-			/* move to cameras */
-			if (sce->r.mode & R_PANORAMA) {
-				for (base=sce->base.first; base; base=base->next) {
-					ob= newlibadr(fd, lib, base->object);
-
-					if (ob->type == OB_CAMERA && !ob->id.lib) {
-						cam= newlibadr(fd, lib, ob->data);
-						cam->flag |= CAM_PANORAMA;
-					}
-				}
-
-				sce->r.mode &= ~R_PANORAMA;
-			}
-		}
-		/* and texture trees */
-		for (tx= main->tex.first; tx; tx= tx->id.next) {
-			bNode *node;
-
-			if (tx->nodetree) {
-				if (tx->nodetree->id.name[0] == '\0')
-					strcpy(tx->nodetree->id.name, "NTTexture Nodetree");
-
-				/* which_output 0 is now "not specified" */
-				for (node=tx->nodetree->nodes.first; node; node=node->next)
-					if (node->type == TEX_NODE_OUTPUT)
-						node->custom1++;
-			}
-		}
-		
-		/* copy standard draw flag to meshes(used to be global, is not available here) */
-		for (me= main->mesh.first; me; me= me->id.next) {
-			me->drawflag= ME_DRAWEDGES|ME_DRAWFACES|ME_DRAWCREASES;
-		}
-
-		/* particle draw and render types */
-		for (part= main->particle.first; part; part= part->id.next) {
-			if (part->draw_as) {
-				if (part->draw_as == PART_DRAW_DOT) {
-					part->ren_as = PART_DRAW_HALO;
-					part->draw_as = PART_DRAW_REND;
-				}
-				else if (part->draw_as <= PART_DRAW_AXIS) {
-					part->ren_as = PART_DRAW_HALO;
-				}
-				else {
-					part->ren_as = part->draw_as;
-					part->draw_as = PART_DRAW_REND;
-				}
-			}
-			part->path_end = 1.0f;
-			part->clength = 1.0f;
-		}
-		/* set old pointcaches to have disk cache flag */
-		for (ob = main->object.first; ob; ob= ob->id.next) {
-
-			//BKE_ptcache_ids_from_object(&pidlist, ob);
-
-			//for (pid=pidlist.first; pid; pid=pid->next)
-			//	pid->cache->flag |= PTCACHE_DISK_CACHE;
-
-			//BLI_freelistN(&pidlist);
-		}
-
-		/* type was a mixed flag & enum. move the 2d flag elsewhere */
-		for (cu = main->curve.first; cu; cu= cu->id.next) {
-			Nurb *nu;
-
-			for (nu= cu->nurb.first; nu; nu= nu->next) {
-				nu->flag |= (nu->type & CU_2D);
-				nu->type &= CU_TYPE;
-			}
-		}
-	}
-
-	if (main->versionfile < 250 || (main->versionfile == 250 && main->subversionfile < 1)) {
-		Object *ob;
-		Material *ma;
-		Tex *tex;
-		Scene *sce;
-		ToolSettings *ts;
-		//PTCacheID *pid;
-		//ListBase pidlist;
-
-		for (ob = main->object.first; ob; ob = ob->id.next) {
-			//BKE_ptcache_ids_from_object(&pidlist, ob);
-
-			//for (pid=pidlist.first; pid; pid=pid->next) {
-			//	if (pid->ptcaches->first == NULL)
-			//		pid->ptcaches->first = pid->ptcaches->last = pid->cache;
-			//}
-
-			//BLI_freelistN(&pidlist);
-
-			if (ob->type == OB_MESH) {
-				Mesh *me = newlibadr(fd, lib, ob->data);
-				void *olddata = ob->data;
-				ob->data = me;
-
-				/* XXX - library meshes crash on loading most yoFrankie levels,
-				 * the multires pointer gets invalid -  Campbell */
-				if (me && me->id.lib==NULL && me->mr && me->mr->level_count > 1) {
-					multires_load_old(ob, me);
-				}
-
-				ob->data = olddata;
-			}
-
-			if (ob->totcol && ob->matbits == NULL) {
-				int a;
-
-				ob->matbits= MEM_callocN(sizeof(char)*ob->totcol, "ob->matbits");
-				for (a=0; a<ob->totcol; a++)
-					ob->matbits[a]= ob->colbits & (1<<a);
-			}
-		}
-
-		/* texture filter */
-		for (tex = main->tex.first; tex; tex = tex->id.next) {
-			if (tex->afmax == 0)
-				tex->afmax= 8;
-		}
-
-		for (ma = main->mat.first; ma; ma = ma->id.next) {
-			int a;
-			if (ma->mode & MA_WIRE) {
-				ma->material_type= MA_TYPE_WIRE;
-				ma->mode &= ~MA_WIRE;
-			}
-			if (ma->mode & MA_HALO) {
-				ma->material_type= MA_TYPE_HALO;
-				ma->mode &= ~MA_HALO;
-			}
-
-			if (ma->mode & (MA_ZTRANSP|MA_RAYTRANSP)) {
-				ma->mode |= MA_TRANSP;
-			}
-			else {
-				/* ma->mode |= MA_ZTRANSP; */ /* leave ztransp as is even if its not used [#28113] */
-				ma->mode &= ~MA_TRANSP;
-			}
-
-			/* set new bump for unused slots */
-			for (a=0; a<MAX_MTEX; a++) {
-				if (ma->mtex[a]) {
-					tex= ma->mtex[a]->tex;
-					if (!tex) {
-						ma->mtex[a]->texflag |= MTEX_3TAP_BUMP;
-						ma->mtex[a]->texflag |= MTEX_BUMP_OBJECTSPACE;
-					}
-					else {
-						tex= (Tex*)newlibadr(fd, ma->id.lib, tex);
-						if (tex && tex->type == 0) { /* invalid type */
-							ma->mtex[a]->texflag |= MTEX_3TAP_BUMP;
-							ma->mtex[a]->texflag |= MTEX_BUMP_OBJECTSPACE;
-						}
-					}
-				}
-			}
-			
-			/* volume rendering settings */
-			if (ma->vol.stepsize < 0.0001f) {
-				ma->vol.density = 1.0f;
-				ma->vol.emission = 0.0f;
-				ma->vol.scattering = 1.0f;
-				ma->vol.emission_col[0] = ma->vol.emission_col[1] = ma->vol.emission_col[2] = 1.0f;
-				ma->vol.density_scale = 1.0f;
-				ma->vol.depth_cutoff = 0.01f;
-				ma->vol.stepsize_type = MA_VOL_STEP_RANDOMIZED;
-				ma->vol.stepsize = 0.2f;
-				ma->vol.shade_type = MA_VOL_SHADE_SHADED;
-				ma->vol.shadeflag |= MA_VOL_PRECACHESHADING;
-				ma->vol.precache_resolution = 50;
-			}
-		}
-
-		for (sce = main->scene.first; sce; sce = sce->id.next) {
-			ts= sce->toolsettings;
-			if (ts->normalsize == 0.0f || !ts->uv_selectmode || ts->vgroup_weight == 0.0f) {
-				ts->normalsize= 0.1f;
-				ts->selectmode= SCE_SELECT_VERTEX;
-				
-				/* autokeying - setting should be taken from the user-prefs
-				 * but the userprefs version may not have correct flags set 
-				 * (i.e. will result in blank box when enabled)
-				 */
-				ts->autokey_mode= U.autokey_mode;
-				if (ts->autokey_mode == 0) 
-					ts->autokey_mode= 2; /* 'add/replace' but not on */
-				ts->uv_selectmode= UV_SELECT_VERTEX;
-				ts->vgroup_weight= 1.0f;
-			}
-
-			/* Game Settings */
-			//Dome
-			sce->gm.dome.angle = sce->r.domeangle;
-			sce->gm.dome.mode = sce->r.domemode;
-			sce->gm.dome.res = sce->r.domeres;
-			sce->gm.dome.resbuf = sce->r.domeresbuf;
-			sce->gm.dome.tilt = sce->r.dometilt;
-			sce->gm.dome.warptext = sce->r.dometext;
-
-			//Stand Alone
-			sce->gm.playerflag |= (sce->r.fullscreen?GAME_PLAYER_FULLSCREEN:0);
-			sce->gm.xplay = sce->r.xplay;
-			sce->gm.yplay = sce->r.yplay;
-			sce->gm.freqplay = sce->r.freqplay;
-			sce->gm.depth = sce->r.depth;
-			sce->gm.attrib = sce->r.attrib;
-
-			//Stereo
-			sce->gm.stereomode = sce->r.stereomode;
-			/* reassigning stereomode NO_STEREO and DOME to a separeted flag*/
-			if (sce->gm.stereomode == 1) { //1 = STEREO_NOSTEREO
-				sce->gm.stereoflag = STEREO_NOSTEREO;
-				sce->gm.stereomode = STEREO_ANAGLYPH;
-			}
-			else if (sce->gm.stereomode == 8) { //8 = STEREO_DOME
-				sce->gm.stereoflag = STEREO_DOME;
-				sce->gm.stereomode = STEREO_ANAGLYPH;
-			}
-			else
-				sce->gm.stereoflag = STEREO_ENABLED;
-
-			//Framing
-			sce->gm.framing = sce->framing;
-			sce->gm.xplay = sce->r.xplay;
-			sce->gm.yplay = sce->r.yplay;
-			sce->gm.freqplay= sce->r.freqplay;
-			sce->gm.depth= sce->r.depth;
-
-			//Physic (previously stored in world)
-			sce->gm.gravity =9.8f;
-			sce->gm.physicsEngine= WOPHY_BULLET;// Bullet by default
-			sce->gm.mode = WO_DBVT_CULLING;	// DBVT culling by default
-			sce->gm.occlusionRes = 128;
-			sce->gm.ticrate = 60;
-			sce->gm.maxlogicstep = 5;
-			sce->gm.physubstep = 1;
-			sce->gm.maxphystep = 5;
-		}
-	}
-
-	if (main->versionfile < 250 || (main->versionfile == 250 && main->subversionfile < 2)) {
-		Scene *sce;
-		Object *ob;
-
-		for (sce = main->scene.first; sce; sce = sce->id.next) {
-			if (fd->fileflags & G_FILE_ENABLE_ALL_FRAMES)
-				sce->gm.flag |= GAME_ENABLE_ALL_FRAMES;
-			if (fd->fileflags & G_FILE_SHOW_DEBUG_PROPS)
-				sce->gm.flag |= GAME_SHOW_DEBUG_PROPS;
-			if (fd->fileflags & G_FILE_SHOW_FRAMERATE)
-				sce->gm.flag |= GAME_SHOW_FRAMERATE;
-			if (fd->fileflags & G_FILE_SHOW_PHYSICS)
-				sce->gm.flag |= GAME_SHOW_PHYSICS;
-			if (fd->fileflags & G_FILE_GLSL_NO_SHADOWS)
-				sce->gm.flag |= GAME_GLSL_NO_SHADOWS;
-			if (fd->fileflags & G_FILE_GLSL_NO_SHADERS)
-				sce->gm.flag |= GAME_GLSL_NO_SHADERS;
-			if (fd->fileflags & G_FILE_GLSL_NO_RAMPS)
-				sce->gm.flag |= GAME_GLSL_NO_RAMPS;
-			if (fd->fileflags & G_FILE_GLSL_NO_NODES)
-				sce->gm.flag |= GAME_GLSL_NO_NODES;
-			if (fd->fileflags & G_FILE_GLSL_NO_EXTRA_TEX)
-				sce->gm.flag |= GAME_GLSL_NO_EXTRA_TEX;
-			if (fd->fileflags & G_FILE_IGNORE_DEPRECATION_WARNINGS)
-				sce->gm.flag |= GAME_IGNORE_DEPRECATION_WARNINGS;
-
-			if (fd->fileflags & G_FILE_GAME_MAT_GLSL)
-				sce->gm.matmode= GAME_MAT_GLSL;
-			else if (fd->fileflags & G_FILE_GAME_MAT)
-				sce->gm.matmode= GAME_MAT_MULTITEX;
-			else
-				sce->gm.matmode= GAME_MAT_TEXFACE;
-
-			sce->gm.flag |= GAME_DISPLAY_LISTS;
-		}
-		
-		for (ob = main->object.first; ob; ob = ob->id.next) {
-			if (ob->flag & 8192) // OB_POSEMODE = 8192
-				ob->mode |= OB_MODE_POSE;
-		}
-	}
-
-	if (main->versionfile < 250 || (main->versionfile == 250 && main->subversionfile < 4)) {
-		Scene *sce;
-		Object *ob;
-		Material *ma;
-		Lamp *la;
-		World *wo;
-		Tex *tex;
-		ParticleSettings *part;
-		int do_gravity = 0;
-
-		for (sce = main->scene.first; sce; sce = sce->id.next)
-			if (sce->unit.scale_length == 0.0f)
-				sce->unit.scale_length= 1.0f;
-		
-		for (ob = main->object.first; ob; ob = ob->id.next) {
-			/* fluid-sim stuff */
-			FluidsimModifierData *fluidmd = (FluidsimModifierData *)modifiers_findByType(ob, eModifierType_Fluidsim);
-			if (fluidmd) fluidmd->fss->fmd = fluidmd;
-			
-			/* rotation modes were added, but old objects would now default to being 'quaternion based' */
-			ob->rotmode= ROT_MODE_EUL;
-		}
-		
-		for (ma = main->mat.first; ma; ma=ma->id.next) {
-			if (ma->vol.reflection == 0.f) {
-				ma->vol.reflection = 1.f;
-				ma->vol.transmission_col[0] = ma->vol.transmission_col[1] = ma->vol.transmission_col[2] = 1.0f;
-				ma->vol.reflection_col[0] = ma->vol.reflection_col[1] = ma->vol.reflection_col[2] = 1.0f;
-			}
-
-			do_version_mtex_factor_2_50(ma->mtex, ID_MA);
-		}
-
-		for (la = main->lamp.first; la; la=la->id.next)
-			do_version_mtex_factor_2_50(la->mtex, ID_LA);
-
-		for (wo = main->world.first; wo; wo=wo->id.next)
-			do_version_mtex_factor_2_50(wo->mtex, ID_WO);
-
-		for (tex = main->tex.first; tex; tex=tex->id.next)
-			if (tex->vd)
-				if (tex->vd->extend == 0)
-					tex->vd->extend = TEX_CLIP;
-		
-		for (sce= main->scene.first; sce; sce= sce->id.next) {
-			if (sce->audio.main == 0.0f)
-				sce->audio.main = 1.0f;
-
-			sce->r.ffcodecdata.audio_mixrate = sce->audio.mixrate;
-			sce->r.ffcodecdata.audio_volume = sce->audio.main;
-			sce->audio.distance_model = 2;
-			sce->audio.doppler_factor = 1.0f;
-			sce->audio.speed_of_sound = 343.3f;
-		}
-
-		/* Add default gravity to scenes */
-		for (sce= main->scene.first; sce; sce= sce->id.next) {
-			if ((sce->physics_settings.flag & PHYS_GLOBAL_GRAVITY) == 0 &&
-			    len_v3(sce->physics_settings.gravity) == 0.0f)
-			{
-				sce->physics_settings.gravity[0] = sce->physics_settings.gravity[1] = 0.0f;
-				sce->physics_settings.gravity[2] = -9.81f;
-				sce->physics_settings.flag = PHYS_GLOBAL_GRAVITY;
-				do_gravity = 1;
-			}
-		}
-
-		/* Assign proper global gravity weights for dynamics (only z-coordinate is taken into account) */
-		if (do_gravity) for (part= main->particle.first; part; part= part->id.next)
-			part->effector_weights->global_gravity = part->acc[2]/-9.81f;
-
-		for (ob = main->object.first; ob; ob = ob->id.next) {
-			ModifierData *md;
-
-			if (do_gravity) {
-				for (md= ob->modifiers.first; md; md= md->next) {
-					ClothModifierData *clmd = (ClothModifierData *)modifiers_findByType(ob, eModifierType_Cloth);
-					if (clmd)
-						clmd->sim_parms->effector_weights->global_gravity = clmd->sim_parms->gravity[2]/-9.81f;
-				}
-
-				if (ob->soft)
-					ob->soft->effector_weights->global_gravity = ob->soft->grav/9.81f;
-			}
-
-			/* Normal wind shape is plane */
-			if (ob->pd) {
-				if (ob->pd->forcefield == PFIELD_WIND)
-					ob->pd->shape = PFIELD_SHAPE_PLANE;
-				
-				if (ob->pd->flag & PFIELD_PLANAR)
-					ob->pd->shape = PFIELD_SHAPE_PLANE;
-				else if (ob->pd->flag & PFIELD_SURFACE)
-					ob->pd->shape = PFIELD_SHAPE_SURFACE;
-
-				ob->pd->flag |= PFIELD_DO_LOCATION;
-			}
-		}
-	}
-
-	if (main->versionfile < 250 || (main->versionfile == 250 && main->subversionfile < 6)) {
-		Object *ob;
-		Lamp *la;
-		
-		/* New variables for axis-angle rotations and/or quaternion rotations were added, and need proper initialization */
-		for (ob= main->object.first; ob; ob= ob->id.next) {
-			/* new variables for all objects */
-			ob->quat[0]= 1.0f;
-			ob->rotAxis[1]= 1.0f;
-			
-			/* bones */
-			if (ob->pose) {
-				bPoseChannel *pchan;
-				
-				for (pchan= ob->pose->chanbase.first; pchan; pchan= pchan->next) {
-					/* just need to initalise rotation axis properly... */
-					pchan->rotAxis[1]= 1.0f;
-				}
-			}
-		}
-
-		for (la = main->lamp.first; la; la=la->id.next)
-			la->compressthresh= 0.05f;
-	}
-
-	if (main->versionfile < 250 || (main->versionfile == 250 && main->subversionfile < 7)) {
-		Mesh *me;
-		Nurb *nu;
-		Lattice *lt;
-		Curve *cu;
-		Key *key;
-		float *data;
-		int a, tot;
-
-		/* shape keys are no longer applied to the mesh itself, but rather
-		 * to the derivedmesh/displist, so here we ensure that the basis
-		 * shape key is always set in the mesh coordinates. */
-
-		for (me= main->mesh.first; me; me= me->id.next) {
-			if ((key = newlibadr(fd, lib, me->key)) && key->refkey) {
-				data= key->refkey->data;
-				tot= MIN2(me->totvert, key->refkey->totelem);
-
-				for (a=0; a<tot; a++, data+=3)
-					copy_v3_v3(me->mvert[a].co, data);
-			}
-		}
-
-		for (lt= main->latt.first; lt; lt= lt->id.next) {
-			if ((key = newlibadr(fd, lib, lt->key)) && key->refkey) {
-				data= key->refkey->data;
-				tot= MIN2(lt->pntsu*lt->pntsv*lt->pntsw, key->refkey->totelem);
-
-				for (a=0; a<tot; a++, data+=3)
-					copy_v3_v3(lt->def[a].vec, data);
-			}
-		}
-
-		for (cu= main->curve.first; cu; cu= cu->id.next) {
-			if ((key = newlibadr(fd, lib, cu->key)) && key->refkey) {
-				data= key->refkey->data;
-
-				for (nu=cu->nurb.first; nu; nu=nu->next) {
-					if (nu->bezt) {
-						BezTriple *bezt = nu->bezt;
-
-						for (a=0; a<nu->pntsu; a++, bezt++) {
-							copy_v3_v3(bezt->vec[0], data); data+=3;
-							copy_v3_v3(bezt->vec[1], data); data+=3;
-							copy_v3_v3(bezt->vec[2], data); data+=3;
-							bezt->alfa= *data; data++;
-						}
-					}
-					else if (nu->bp) {
-						BPoint *bp = nu->bp;
-
-						for (a=0; a<nu->pntsu*nu->pntsv; a++, bp++) {
-							copy_v3_v3(bp->vec, data); data+=3;
-							bp->alfa= *data; data++;
-						}
-					}
-				}
-			}
-		}
-	}
-
-	if (main->versionfile < 250 || (main->versionfile == 250 && main->subversionfile < 8)) {
-		{
-			Scene *sce= main->scene.first;
-			while (sce) {
-				if (sce->r.frame_step==0)
-					sce->r.frame_step= 1;
-				if (sce->r.mblur_samples==0)
-					sce->r.mblur_samples = sce->r.osa;
-				
-				if (sce->ed && sce->ed->seqbase.first) {
-					do_versions_seq_unique_name_all_strips(
-						sce, &sce->ed->seqbase);
-				}
-			
-				sce= sce->id.next;
-			}
-		}
-		{
-			/* ensure all nodes have unique names */
-			bNodeTree *ntree= main->nodetree.first;
-			while (ntree) {
-				bNode *node=ntree->nodes.first;
-				
-				while (node) {
-					nodeUniqueName(ntree, node);
-					node= node->next;
-				}
-				
-				ntree= ntree->id.next;
-			}
-		}
-		{
-			Object *ob=main->object.first;
-			while (ob) {
-				/* shaded mode disabled for now */
-				if (ob->dt == OB_MATERIAL) ob->dt = OB_TEXTURE;
-				ob=ob->id.next;
-			}
-		}
-		
-		{
-			bScreen *screen;
-			ScrArea *sa;
-			SpaceLink *sl;
-			
-			for (screen= main->screen.first; screen; screen= screen->id.next) {
-				for (sa= screen->areabase.first; sa; sa= sa->next) {
-					for (sl= sa->spacedata.first; sl; sl= sl->next) {
-						if (sl->spacetype==SPACE_VIEW3D) {
-							View3D *v3d = (View3D *)sl;
-							if (v3d->drawtype == OB_MATERIAL) v3d->drawtype = OB_SOLID;
-						}
-					}
-				}
-			}
-		}
-		
-		/* only convert old 2.50 files with color management */
-		if (main->versionfile == 250) {
-			Scene *sce=main->scene.first;
-			Material *ma=main->mat.first;
-			World *wo=main->world.first;
-			Tex *tex=main->tex.first;
-			int i, convert=0;
-			
-			/* convert to new color management system:
-			 * while previously colors were stored as srgb,
-			 * now they are stored as linear internally,
-			 * with screen gamma correction in certain places in the UI. */
-
-			/* don't know what scene is active, so we'll convert if any scene has it enabled... */
-			while (sce) {
-				if (sce->r.color_mgt_flag & R_COLOR_MANAGEMENT)
-					convert=1;
-				sce=sce->id.next;
-			}
-			
-			if (convert) {
-				while (ma) {
-					if (ma->ramp_col) {
-						ColorBand *band = (ColorBand *)ma->ramp_col;
-						for (i=0; i<band->tot; i++) {
-							CBData *data = band->data + i;
-							srgb_to_linearrgb_v3_v3(&data->r, &data->r);
-						}
-					}
-					if (ma->ramp_spec) {
-						ColorBand *band = (ColorBand *)ma->ramp_spec;
-						for (i=0; i<band->tot; i++) {
-							CBData *data = band->data + i;
-							srgb_to_linearrgb_v3_v3(&data->r, &data->r);
-						}
-					}
-					
-					srgb_to_linearrgb_v3_v3(&ma->r, &ma->r);
-					srgb_to_linearrgb_v3_v3(&ma->specr, &ma->specr);
-					srgb_to_linearrgb_v3_v3(&ma->mirr, &ma->mirr);
-					srgb_to_linearrgb_v3_v3(ma->sss_col, ma->sss_col);
-					ma=ma->id.next;
-				}
-				
-				while (tex) {
-					if (tex->coba) {
-						ColorBand *band = (ColorBand *)tex->coba;
-						for (i=0; i<band->tot; i++) {
-							CBData *data = band->data + i;
-							srgb_to_linearrgb_v3_v3(&data->r, &data->r);
-						}
-					}
-					tex=tex->id.next;
-				}
-				
-				while (wo) {
-					srgb_to_linearrgb_v3_v3(&wo->ambr, &wo->ambr);
-					srgb_to_linearrgb_v3_v3(&wo->horr, &wo->horr);
-					srgb_to_linearrgb_v3_v3(&wo->zenr, &wo->zenr);
-					wo=wo->id.next;
-				}
-			}
-		}
-	}
-	
-	if (main->versionfile < 250 || (main->versionfile == 250 && main->subversionfile < 9)) {
-		Scene *sce;
-		Mesh *me;
-		Object *ob;
-
-		for (sce=main->scene.first; sce; sce=sce->id.next)
-			if (!sce->toolsettings->particle.selectmode)
-				sce->toolsettings->particle.selectmode= SCE_SELECT_PATH;
-
-		if (main->versionfile == 250 && main->subversionfile > 1) {
-			for (me=main->mesh.first; me; me=me->id.next)
-				multires_load_old_250(me);
-
-			for (ob=main->object.first; ob; ob=ob->id.next) {
-				MultiresModifierData *mmd = (MultiresModifierData *)modifiers_findByType(ob, eModifierType_Multires);
-
-				if (mmd) {
-					mmd->totlvl--;
-					mmd->lvl--;
-					mmd->sculptlvl= mmd->lvl;
-					mmd->renderlvl= mmd->lvl;
-				}
-			}
-		}
-	}
-
-	if (main->versionfile < 250 || (main->versionfile == 250 && main->subversionfile < 10)) {
-		Object *ob;
-
-		/* properly initialize hair clothsim data on old files */
-		for (ob = main->object.first; ob; ob = ob->id.next) {
-			ModifierData *md;
-			for (md= ob->modifiers.first; md; md= md->next) {
-				if (md->type == eModifierType_Cloth) {
-					ClothModifierData *clmd = (ClothModifierData *)md;
-					if (clmd->sim_parms->velocity_smooth < 0.01f)
-						clmd->sim_parms->velocity_smooth = 0.f;
-				}
-			}
-		}
-	}
-
-	/* fix bad area setup in subversion 10 */
-	if (main->versionfile == 250 && main->subversionfile == 10) {
-		/* fix for new view type in sequencer */
-		bScreen *screen;
-		ScrArea *sa;
-		SpaceLink *sl;
-
-
-		/* remove all preview window in wrong spaces */
-		for (screen= main->screen.first; screen; screen= screen->id.next) {
-			for (sa= screen->areabase.first; sa; sa= sa->next) {
-				for (sl= sa->spacedata.first; sl; sl= sl->next) {
-					if (sl->spacetype!=SPACE_SEQ) {
-						ARegion *ar;
-						ListBase *regionbase;
-
-						if (sl == sa->spacedata.first) {
-							regionbase = &sa->regionbase;
-						}
-						else {
-							regionbase = &sl->regionbase;
-						}
-
-
-						for ( ar = regionbase->first; ar; ar = ar->next) {
-							if (ar->regiontype == RGN_TYPE_PREVIEW)
-								break;
-						}
-
-						if (ar && (ar->regiontype == RGN_TYPE_PREVIEW)) {
-							SpaceType *st= BKE_spacetype_from_id(SPACE_SEQ);
-							BKE_area_region_free(st, ar);
-							BLI_freelinkN(regionbase, ar);
-						}
-					}
-				}
-			}
-		}
-	}
-
-	if (main->versionfile < 250 || (main->versionfile == 250 && main->subversionfile < 11)) {
-		{
-			/* fix for new view type in sequencer */
-			bScreen *screen;
-			ScrArea *sa;
-			SpaceLink *sl;
-
-
-			for (screen= main->screen.first; screen; screen= screen->id.next) {
-				for (sa= screen->areabase.first; sa; sa= sa->next) {
-					for (sl= sa->spacedata.first; sl; sl= sl->next) {
-						if (sl->spacetype==SPACE_SEQ) {
-							ARegion *ar;
-							ARegion *ar_main;
-							ListBase *regionbase;
-							SpaceSeq *sseq = (SpaceSeq *)sl;
-
-							if (sl == sa->spacedata.first) {
-								regionbase = &sa->regionbase;
-							}
-							else {
-								regionbase = &sl->regionbase;
-							}
-
-							if (sseq->view == 0) sseq->view = SEQ_VIEW_SEQUENCE;
-							if (sseq->mainb == 0) sseq->mainb = SEQ_DRAW_IMG_IMBUF;
-
-							ar_main = (ARegion*)regionbase->first;
-							for (; ar_main; ar_main = ar_main->next) {
-								if (ar_main->regiontype == RGN_TYPE_WINDOW)
-									break;
-							}
-							ar= MEM_callocN(sizeof(ARegion), "preview area for sequencer");
-							BLI_insertlinkbefore(regionbase, ar_main, ar);
-							sequencer_init_preview_region(ar);
-						}
-					}
-				}
-			}
-		}
-	}
-
-	if (main->versionfile < 250 || (main->versionfile == 250 && main->subversionfile < 12)) {
-		Scene *sce;
-		Object *ob;
-		Brush *brush;
-		Material *ma;
-		
-		/* game engine changes */
-		for (sce = main->scene.first; sce; sce = sce->id.next) {
-			sce->gm.eyeseparation = 0.10f;
-		}
-		
-		/* anim viz changes */
-		for (ob= main->object.first; ob; ob= ob->id.next) {
-			/* initialize object defaults */
-			animviz_settings_init(&ob->avs);
-			
-			/* if armature, copy settings for pose from armature data 
-			 * performing initialization where appropriate
-			 */
-			if (ob->pose && ob->data) {
-				bArmature *arm= newlibadr(fd, lib, ob->data);
-				if (arm) { /* XXX - why does this fail in some cases? */
-					bAnimVizSettings *avs= &ob->pose->avs;
-					
-					/* ghosting settings ---------------- */
-						/* ranges */
-					avs->ghost_bc= avs->ghost_ac= arm->ghostep;
-					
-					avs->ghost_sf= arm->ghostsf;
-					avs->ghost_ef= arm->ghostef;
-					if ((avs->ghost_sf == avs->ghost_ef) && (avs->ghost_sf == 0)) {
-						avs->ghost_sf= 1;
-						avs->ghost_ef= 100;
-					}
-					
-						/* type */
-					if (arm->ghostep == 0)
-						avs->ghost_type= GHOST_TYPE_NONE;
-					else
-						avs->ghost_type= arm->ghosttype + 1;
-					
-						/* stepsize */
-					avs->ghost_step= arm->ghostsize;
-					if (avs->ghost_step == 0)
-						avs->ghost_step= 1;
-					
-					/* path settings --------------------- */
-						/* ranges */
-					avs->path_bc= arm->pathbc;
-					avs->path_ac= arm->pathac;
-					if ((avs->path_bc == avs->path_ac) && (avs->path_bc == 0))
-						avs->path_bc= avs->path_ac= 10;
-					
-					avs->path_sf= arm->pathsf;
-					avs->path_ef= arm->pathef;
-					if ((avs->path_sf == avs->path_ef) && (avs->path_sf == 0)) {
-						avs->path_sf= 1;
-						avs->path_ef= 250;
-					}
-					
-						/* flags */
-					if (arm->pathflag & ARM_PATH_FNUMS)
-						avs->path_viewflag |= MOTIONPATH_VIEW_FNUMS;
-					if (arm->pathflag & ARM_PATH_KFRAS)
-						avs->path_viewflag |= MOTIONPATH_VIEW_KFRAS;
-					if (arm->pathflag & ARM_PATH_KFNOS)
-						avs->path_viewflag |= MOTIONPATH_VIEW_KFNOS;
-					
-						/* bake flags */
-					if (arm->pathflag & ARM_PATH_HEADS)
-						avs->path_bakeflag |= MOTIONPATH_BAKE_HEADS;
-					
-						/* type */
-					if (arm->pathflag & ARM_PATH_ACFRA)
-						avs->path_type = MOTIONPATH_TYPE_ACFRA;
-					
-						/* stepsize */
-					avs->path_step= arm->pathsize;
-					if (avs->path_step == 0)
-						avs->path_step= 1;
-				}
-				else
-					animviz_settings_init(&ob->pose->avs);
-			}
-		}
-		
-		/* brush texture changes */
-		for (brush= main->brush.first; brush; brush= brush->id.next) {
-			default_mtex(&brush->mtex);
-		}
-
-		for (ma= main->mat.first; ma; ma= ma->id.next) {
-			if (ma->vol.ms_spread < 0.0001f) {
-				ma->vol.ms_spread = 0.2f;
-				ma->vol.ms_diff = 1.f;
-				ma->vol.ms_intensity = 1.f;	
-			}
-		}
-	}
-	
-	if (main->versionfile < 250 || (main->versionfile == 250 && main->subversionfile < 13)) {
-		/* NOTE: if you do more conversion, be sure to do it outside of this and
-		 * increase subversion again, otherwise it will not be correct */
-		Object *ob;
-		
-		/* convert degrees to radians for internal use */
-		for (ob=main->object.first; ob; ob=ob->id.next) {
-			bPoseChannel *pchan;
-
-			do_version_constraints_radians_degrees_250(&ob->constraints);
-
-			if (ob->pose) {
-				for (pchan=ob->pose->chanbase.first; pchan; pchan=pchan->next) {
-					pchan->limitmin[0] *= (float)(M_PI/180.0);
-					pchan->limitmin[1] *= (float)(M_PI/180.0);
-					pchan->limitmin[2] *= (float)(M_PI/180.0);
-					pchan->limitmax[0] *= (float)(M_PI/180.0);
-					pchan->limitmax[1] *= (float)(M_PI/180.0);
-					pchan->limitmax[2] *= (float)(M_PI/180.0);
-
-					do_version_constraints_radians_degrees_250(&pchan->constraints);
-				}
-			}
-		}
-	}
-	
-	if (main->versionfile < 250 || (main->versionfile == 250 && main->subversionfile < 14)) {
-		/* fix for bad View2D extents for Animation Editors */
-		bScreen *screen;
-		ScrArea *sa;
-		SpaceLink *sl;
-		
-		for (screen= main->screen.first; screen; screen= screen->id.next) {
-			for (sa= screen->areabase.first; sa; sa= sa->next) {
-				for (sl= sa->spacedata.first; sl; sl= sl->next) {
-					ListBase *regionbase;
-					ARegion *ar;
-					
-					if (sl == sa->spacedata.first)
-						regionbase = &sa->regionbase;
-					else
-						regionbase = &sl->regionbase;
-						
-					if (ELEM(sl->spacetype, SPACE_ACTION, SPACE_NLA)) {
-						for (ar = (ARegion*)regionbase->first; ar; ar = ar->next) {
-							if (ar->regiontype == RGN_TYPE_WINDOW) {
-								ar->v2d.cur.ymax = ar->v2d.tot.ymax = 0.0f;
-								ar->v2d.cur.ymin = ar->v2d.tot.ymin = (float)(-sa->winy) / 3.0f;
-							}
-						}
-					}
-				}
-			}
-		}
-	}
-	
-	if (main->versionfile < 250 || (main->versionfile == 250 && main->subversionfile < 15)) {
-		World *wo;
-		Material *ma;
-
-		/* ambient default from 0.5f to 1.0f */
-		for (ma= main->mat.first; ma; ma=ma->id.next)
-			ma->amb *= 2.0f;
-
-		for (wo= main->world.first; wo; wo=wo->id.next) {
-			/* ao splitting into ao/env/indirect */
-			wo->ao_env_energy= wo->aoenergy;
-			wo->aoenergy= 1.0f;
-
-			if (wo->ao_indirect_bounces == 0)
-				wo->ao_indirect_bounces= 1;
-			else
-				wo->mode |= WO_INDIRECT_LIGHT;
-
-			if (wo->aomix == WO_AOSUB)
-				wo->ao_env_energy= -wo->ao_env_energy;
-			else if (wo->aomix == WO_AOADDSUB)
-				wo->mode |= WO_AMB_OCC;
-
-			wo->aomix= WO_AOMUL;
-
-			/* ambient default from 0.5f to 1.0f */
-			mul_v3_fl(&wo->ambr, 0.5f);
-			wo->ao_env_energy *= 0.5f;
-		}
-	}
-	
-	if (main->versionfile < 250 || (main->versionfile == 250 && main->subversionfile < 17)) {
-		Scene *sce;
-		Sequence *seq;
-		Material *ma;
-
-		/* initialize to sane default so toggling on border shows something */
-		for (sce = main->scene.first; sce; sce = sce->id.next) {
-			if (sce->r.border.xmin == 0.0f && sce->r.border.ymin == 0.0f &&
-			   sce->r.border.xmax == 0.0f && sce->r.border.ymax == 0.0f) {
-				sce->r.border.xmin = 0.0f;
-				sce->r.border.ymin = 0.0f;
-				sce->r.border.xmax = 1.0f;
-				sce->r.border.ymax = 1.0f;
-			}
-
-			if ((sce->r.ffcodecdata.flags & FFMPEG_MULTIPLEX_AUDIO) == 0)
-				sce->r.ffcodecdata.audio_codec = 0x0; // CODEC_ID_NONE
-
-			SEQ_BEGIN (sce->ed, seq)
-			{
-				seq->volume = 1.0f;
-			}
-			SEQ_END
-		}
-
-		/* particle brush strength factor was changed from int to float */
-		for (sce= main->scene.first; sce; sce=sce->id.next) {
-			ParticleEditSettings *pset= &sce->toolsettings->particle;
-			int a;
-
-			for (a=0; a<PE_TOT_BRUSH; a++)
-				pset->brush[a].strength /= 100.0f;
-		}
-
-		for (ma = main->mat.first; ma; ma=ma->id.next)
-			if (ma->mode & MA_TRACEBLE)
-				ma->shade_flag |= MA_APPROX_OCCLUSION;
-
-		/* sequencer changes */
-		{
-			bScreen *screen;
-			ScrArea *sa;
-			SpaceLink *sl;
-
-			for (screen= main->screen.first; screen; screen= screen->id.next) {
-				for (sa= screen->areabase.first; sa; sa= sa->next) {
-					for (sl= sa->spacedata.first; sl; sl= sl->next) {
-						if (sl->spacetype==SPACE_SEQ) {
-							ARegion *ar_preview;
-							ListBase *regionbase;
-
-							if (sl == sa->spacedata.first) {
-								regionbase = &sa->regionbase;
-							}
-							else {
-								regionbase = &sl->regionbase;
-							}
-
-							ar_preview = (ARegion*)regionbase->first;
-							for (; ar_preview; ar_preview = ar_preview->next) {
-								if (ar_preview->regiontype == RGN_TYPE_PREVIEW)
-									break;
-							}
-							if (ar_preview && (ar_preview->regiontype == RGN_TYPE_PREVIEW)) {
-								sequencer_init_preview_region(ar_preview);
-							}
-						}
-					}
-				}
-			}
-		} /* sequencer changes */
-	}
-	
-	if (main->versionfile <= 251) {	/* 2.5.1 had no subversions */
-		bScreen *sc;
-		
-		/* Blender 2.5.2 - subversion 0 introduced a new setting: V3D_RENDER_OVERRIDE.
-		 * This bit was used in the past for V3D_TRANSFORM_SNAP, which is now deprecated. 
-		 * Here we clear it for old files so they don't come in with V3D_RENDER_OVERRIDE set,
-		 * which would cause cameras, lamps, etc to become invisible */
-		for (sc= main->screen.first; sc; sc= sc->id.next) {
-			ScrArea *sa;
-			for (sa= sc->areabase.first; sa; sa= sa->next) {
-				SpaceLink *sl;
-				for (sl= sa->spacedata.first; sl; sl= sl->next) {
-					if (sl->spacetype==SPACE_VIEW3D) {
-						View3D* v3d = (View3D *)sl;
-						v3d->flag2 &= ~V3D_RENDER_OVERRIDE;
-					}
-				}
-			}
-		}
-	}
-
-	if (main->versionfile < 252 || (main->versionfile == 252 && main->subversionfile < 1)) {
-		Brush *brush;
-		Object *ob;
-		Scene *scene;
-		bNodeTree *ntree;
-		
-		for (brush= main->brush.first; brush; brush= brush->id.next) {
-			if (brush->curve) brush->curve->preset = CURVE_PRESET_SMOOTH;
-		}
-		
-		/* properly initialize active flag for fluidsim modifiers */
-		for (ob = main->object.first; ob; ob = ob->id.next) {
-			ModifierData *md;
-			for (md= ob->modifiers.first; md; md= md->next) {
-				if (md->type == eModifierType_Fluidsim) {
-					FluidsimModifierData *fmd = (FluidsimModifierData *)md;
-					fmd->fss->flag |= OB_FLUIDSIM_ACTIVE; 
-					fmd->fss->flag |= OB_FLUIDSIM_OVERRIDE_TIME;
-				}
-			}
-		}
-		
-		/* adjustment to color balance node values */
-		for (scene= main->scene.first; scene; scene= scene->id.next) {
-			if (scene->nodetree) {
-				bNode *node=scene->nodetree->nodes.first;
-				
-				while (node) {
-					if (node->type == CMP_NODE_COLORBALANCE) {
-						NodeColorBalance *n= (NodeColorBalance *)node->storage;
-						n->lift[0] += 1.f;
-						n->lift[1] += 1.f;
-						n->lift[2] += 1.f;
-					}
-					node= node->next;
-				}
-			}
-		}
-		/* check inside node groups too */
-		for (ntree= main->nodetree.first; ntree; ntree=ntree->id.next) {
-			bNode *node=ntree->nodes.first;
-			
-			while (node) {
-				if (node->type == CMP_NODE_COLORBALANCE) {
-					NodeColorBalance *n= (NodeColorBalance *)node->storage;
-					n->lift[0] += 1.f;
-					n->lift[1] += 1.f;
-					n->lift[2] += 1.f;
-				}
-				node= node->next;
-			}
-		}
-	}
-	
-	/* old-track -> constraints (this time we're really doing it!) */
-	if (main->versionfile < 252 || (main->versionfile == 252 && main->subversionfile < 2)) {
-		Object *ob;
-		
-		for (ob = main->object.first; ob; ob = ob->id.next)
-			do_version_old_trackto_to_constraints(ob);
-	}
-	
-	if (main->versionfile < 252 || (main->versionfile == 252 && main->subversionfile < 5)) {
-		bScreen *sc;
-		
-		/* Image editor scopes */
-		for (sc= main->screen.first; sc; sc= sc->id.next) {
-			ScrArea *sa;
-			for (sa= sc->areabase.first; sa; sa= sa->next) {
-				SpaceLink *sl;
-				for (sl= sa->spacedata.first; sl; sl= sl->next) {
-					if (sl->spacetype==SPACE_IMAGE) {
-						SpaceImage *sima = (SpaceImage *)sl;
-						scopes_new(&sima->scopes);
-					}
-				}
-			}
-		}
-	}
-	
-
-	if (main->versionfile < 253) {
-		Object *ob;
-		Scene *scene;
-		bScreen *sc;
-		Tex *tex;
-		Brush *brush;
-
-		for (sc= main->screen.first; sc; sc= sc->id.next) {
-			ScrArea *sa;
-			for (sa= sc->areabase.first; sa; sa= sa->next) {
-				SpaceLink *sl;
-				for (sl= sa->spacedata.first; sl; sl= sl->next) {
-					if (sl->spacetype == SPACE_NODE) {
-						SpaceNode *snode= (SpaceNode *)sl;
-						ListBase *regionbase;
-						ARegion *ar;
-
-						if (sl == sa->spacedata.first)
-							regionbase = &sa->regionbase;
-						else
-							regionbase = &sl->regionbase;
-
-						if (snode->v2d.minzoom > 0.09f)
-							snode->v2d.minzoom= 0.09f;
-						if (snode->v2d.maxzoom < 2.31f)
-							snode->v2d.maxzoom= 2.31f;
-
-						for (ar= regionbase->first; ar; ar= ar->next) {
-							if (ar->regiontype == RGN_TYPE_WINDOW) {
-								if (ar->v2d.minzoom > 0.09f)
-									ar->v2d.minzoom= 0.09f;
-								if (ar->v2d.maxzoom < 2.31f)
-									ar->v2d.maxzoom= 2.31f;
-							}
-						}
-					}
-					else if (sl->spacetype == SPACE_TIME) {
-						SpaceTime *stime= (SpaceTime *)sl;
-						
-						/* enable all cache display */
-						stime->cache_display |= TIME_CACHE_DISPLAY;
-						stime->cache_display |= (TIME_CACHE_SOFTBODY|TIME_CACHE_PARTICLES);
-						stime->cache_display |= (TIME_CACHE_CLOTH|TIME_CACHE_SMOKE|TIME_CACHE_DYNAMICPAINT);
-					}
-				}
-			}
-		}
-
-		do_version_mdef_250(main);
-
-		/* parent type to modifier */
-		for (ob = main->object.first; ob; ob = ob->id.next) {
-			if (ob->parent) {
-				Object *parent= (Object *)newlibadr(fd, lib, ob->parent);
-				if (parent) { /* parent may not be in group */
-					if (parent->type==OB_ARMATURE && ob->partype==PARSKEL) {
-						ArmatureModifierData *amd;
-						bArmature *arm= (bArmature *)newlibadr(fd, lib, parent->data);
-
-						amd = (ArmatureModifierData*) modifier_new(eModifierType_Armature);
-						amd->object = ob->parent;
-						BLI_addtail((ListBase*)&ob->modifiers, amd);
-						amd->deformflag= arm->deformflag;
-						ob->partype = PAROBJECT;
-					}
-					else if (parent->type==OB_LATTICE && ob->partype==PARSKEL) {
-						LatticeModifierData *lmd;
-
-						lmd = (LatticeModifierData*) modifier_new(eModifierType_Lattice);
-						lmd->object = ob->parent;
-						BLI_addtail((ListBase*)&ob->modifiers, lmd);
-						ob->partype = PAROBJECT;
-					}
-					else if (parent->type==OB_CURVE && ob->partype==PARCURVE) {
-						CurveModifierData *cmd;
-
-						cmd = (CurveModifierData*) modifier_new(eModifierType_Curve);
-						cmd->object = ob->parent;
-						BLI_addtail((ListBase*)&ob->modifiers, cmd);
-						ob->partype = PAROBJECT;
-					}
-				}
-			}
-		}
-		
-		/* initialize scene active layer */
-		for (scene= main->scene.first; scene; scene=scene->id.next) {
-			int i;
-			for (i=0; i<20; i++) {
-				if (scene->lay & (1<<i)) {
-					scene->layact= 1<<i;
-					break;
-				}
-			}
-		}
-
-		for (tex= main->tex.first; tex; tex= tex->id.next) {
-			/* if youre picky, this isn't correct until we do a version bump
-			 * since you could set saturation to be 0.0*/
-			if (tex->saturation==0.0f)
-				tex->saturation= 1.0f;
-		}
-
-		{
-			Curve *cu;
-			for (cu= main->curve.first; cu; cu= cu->id.next) {
-				cu->smallcaps_scale= 0.75f;
-			}
-		}
-
-		for (scene= main->scene.first; scene; scene=scene->id.next) {
-			if (scene) {
-				Sequence *seq;
-				SEQ_BEGIN (scene->ed, seq)
-				{
-					if (seq->sat==0.0f) {
-						seq->sat= 1.0f;
-					}
-				}
-				SEQ_END
-			}
-		}
-
-		/* GSOC 2010 Sculpt - New settings for Brush */
-
-		for (brush= main->brush.first; brush; brush= brush->id.next) {
-			/* Sanity Check */
-
-			// infinite number of dabs
-			if (brush->spacing == 0)
-				brush->spacing = 10;
-
-			// will have no effect
-			if (brush->alpha == 0)
-				brush->alpha = 0.5f;
-
-			// bad radius
-			if (brush->unprojected_radius == 0)
-				brush->unprojected_radius = 0.125f;
-
-			// unusable size
-			if (brush->size == 0)
-				brush->size = 35;
-
-			// can't see overlay
-			if (brush->texture_overlay_alpha == 0)
-				brush->texture_overlay_alpha = 33;
-
-			// same as draw brush
-			if (brush->crease_pinch_factor == 0)
-				brush->crease_pinch_factor = 0.5f;
-
-			// will sculpt no vertexes
-			if (brush->plane_trim == 0)
-				brush->plane_trim = 0.5f;
-
-			// same as smooth stroke off
-			if (brush->smooth_stroke_radius == 0)
-				brush->smooth_stroke_radius= 75;
-
-			// will keep cursor in one spot
-			if (brush->smooth_stroke_radius == 1)
-				brush->smooth_stroke_factor= 0.9f;
-
-			// same as dots
-			if (brush->rate == 0)
-				brush->rate = 0.1f;
-
-			/* New Settings */
-			if (main->versionfile < 252 || (main->versionfile == 252 && main->subversionfile < 5)) {
-				brush->flag |= BRUSH_SPACE_ATTEN; // explicitly enable adaptive space
-
-				// spacing was originally in pixels, convert it to percentage for new version
-				// size should not be zero due to sanity check above
-				brush->spacing = (int)(100*((float)brush->spacing) / ((float)brush->size));
-
-				if (brush->add_col[0] == 0 &&
-					brush->add_col[1] == 0 &&
-					brush->add_col[2] == 0)
-				{
-					brush->add_col[0] = 1.00f;
-					brush->add_col[1] = 0.39f;
-					brush->add_col[2] = 0.39f;
-				}
-
-				if (brush->sub_col[0] == 0 &&
-					brush->sub_col[1] == 0 &&
-					brush->sub_col[2] == 0)
-				{
-					brush->sub_col[0] = 0.39f;
-					brush->sub_col[1] = 0.39f;
-					brush->sub_col[2] = 1.00f;
-				}
-			}
-		}
-	}
-
-	/* GSOC Sculpt 2010 - Sanity check on Sculpt/Paint settings */
-	if (main->versionfile < 253) {
-		Scene *sce;
-		for (sce= main->scene.first; sce; sce= sce->id.next) {
-			if (sce->toolsettings->sculpt_paint_unified_alpha == 0)
-				sce->toolsettings->sculpt_paint_unified_alpha = 0.5f;
-
-			if (sce->toolsettings->sculpt_paint_unified_unprojected_radius == 0) 
-				sce->toolsettings->sculpt_paint_unified_unprojected_radius = 0.125f;
-
-			if (sce->toolsettings->sculpt_paint_unified_size == 0)
-				sce->toolsettings->sculpt_paint_unified_size = 35;
-		}
-	}
-
-	if (main->versionfile < 253 || (main->versionfile == 253 && main->subversionfile < 1)) {
-			Object *ob;
-
-			for (ob = main->object.first; ob; ob = ob->id.next) {
-				ModifierData *md;
-				for (md= ob->modifiers.first; md; md= md->next) {
-					if (md->type == eModifierType_Smoke) {
-						SmokeModifierData *smd = (SmokeModifierData *)md;
-
-						if ((smd->type & MOD_SMOKE_TYPE_DOMAIN) && smd->domain) {
-							smd->domain->vorticity = 2.0f;
-							smd->domain->time_scale = 1.0f;
-
-							if (!(smd->domain->flags & (1<<4)))
-								continue;
-
-							/* delete old MOD_SMOKE_INITVELOCITY flag */
-							smd->domain->flags &= ~(1<<4);
-
-							/* for now just add it to all flow objects in the scene */
-							{
-								Object *ob2;
-								for (ob2 = main->object.first; ob2; ob2 = ob2->id.next) {
-									ModifierData *md2;
-									for (md2= ob2->modifiers.first; md2; md2= md2->next) {
-										if (md2->type == eModifierType_Smoke) {
-											SmokeModifierData *smd2 = (SmokeModifierData *)md2;
-
-											if ((smd2->type & MOD_SMOKE_TYPE_FLOW) && smd2->flow) {
-												smd2->flow->flags |= MOD_SMOKE_FLOW_INITVELOCITY;
-											}
-										}
-									}
-								}
-							}
-
-						}
-						else if ((smd->type & MOD_SMOKE_TYPE_FLOW) && smd->flow) {
-							smd->flow->vel_multi = 1.0f;
-						}
-
-					}
-				}
-			}
-		}
-
-	if (main->versionfile < 255 || (main->versionfile == 255 && main->subversionfile < 1)) {
-		Brush *br;
-		ParticleSettings *part;
-		bScreen *sc;
-		Object *ob;
-
-		for (br= main->brush.first; br; br= br->id.next) {
-			if (br->ob_mode==0)
-				br->ob_mode= OB_MODE_ALL_PAINT;
-		}
-
-		for (part = main->particle.first; part; part = part->id.next) {
-			if (part->boids)
-				part->boids->pitch = 1.0f;
-
-			part->flag &= ~PART_HAIR_REGROW; /* this was a deprecated flag before */
-			part->kink_amp_clump = 1.f; /* keep old files looking similar */
-		}
-
-		for (sc= main->screen.first; sc; sc= sc->id.next) {
-			ScrArea *sa;
-			for (sa= sc->areabase.first; sa; sa= sa->next) {
-				SpaceLink *sl;
-				for (sl= sa->spacedata.first; sl; sl= sl->next) {
-					if (sl->spacetype == SPACE_INFO) {
-						SpaceInfo *sinfo= (SpaceInfo *)sl;
-						ARegion *ar;
-
-						sinfo->rpt_mask= INFO_RPT_OP;
-
-						for (ar= sa->regionbase.first; ar; ar= ar->next) {
-							if (ar->regiontype == RGN_TYPE_WINDOW) {
-								ar->v2d.scroll = (V2D_SCROLL_RIGHT);
-								ar->v2d.align = V2D_ALIGN_NO_NEG_X|V2D_ALIGN_NO_NEG_Y; /* align bottom left */
-								ar->v2d.keepofs = V2D_LOCKOFS_X;
-								ar->v2d.keepzoom = (V2D_LOCKZOOM_X|V2D_LOCKZOOM_Y|V2D_LIMITZOOM|V2D_KEEPASPECT);
-								ar->v2d.keeptot= V2D_KEEPTOT_BOUNDS;
-								ar->v2d.minzoom= ar->v2d.maxzoom= 1.0f;
-							}
-						}
-					}
-				}
-			}
-		}
-
-		/* fix rotation actuators for objects so they use real angles (radians)
-		 * since before blender went opensource this strange scalar was used: (1 / 0.02) * 2 * math.pi/360 */
-		for (ob= main->object.first; ob; ob= ob->id.next) {
-			bActuator *act= ob->actuators.first;
-			while (act) {
-				if (act->type==ACT_OBJECT) {
-					/* multiply velocity with 50 in old files */
-					bObjectActuator *oa= act->data;
-					mul_v3_fl(oa->drot, 0.8726646259971648f);
-				}
-				act= act->next;
-			}
-		}
-	}
-	
-	// init facing axis property of steering actuators
-	{					
-		Object *ob;
-		for (ob = main->object.first; ob; ob = ob->id.next) {
-			bActuator *act;
-			for (act= ob->actuators.first; act; act= act->next) {
-				if (act->type==ACT_STEERING) {
-					bSteeringActuator* stact = act->data;
-					if (stact->facingaxis==0) {
-						stact->facingaxis=1;
-					}						
-				}
-			}
-		}
-	}
-
-	if (main->versionfile < 255 || (main->versionfile == 255 && main->subversionfile < 3)) {
-		Object *ob;
-
-		/* ocean res is now squared, reset old ones - will be massive */
-		for (ob = main->object.first; ob; ob = ob->id.next) {
-			ModifierData *md;
-			for (md= ob->modifiers.first; md; md= md->next) {
-				if (md->type == eModifierType_Ocean) {
-					OceanModifierData *omd = (OceanModifierData *)md;
-					omd->resolution = 7;
-					omd->oceancache = NULL;
-				}
-			}
-		}		
-	}
-
-	if (main->versionfile < 256) {
-		bScreen *sc;
-		ScrArea *sa;
-		Key *key;
-		
-		/* Fix for sample line scope initializing with no height */
-		for (sc= main->screen.first; sc; sc= sc->id.next) {
-			sa= sc->areabase.first;
-			while (sa) {
-				SpaceLink *sl;
-				for (sl= sa->spacedata.first; sl; sl= sl->next) {
-					if (sl->spacetype==SPACE_IMAGE) {
-						SpaceImage *sima= (SpaceImage *)sl;
-						if (sima->sample_line_hist.height == 0 )
-							sima->sample_line_hist.height = 100;
-					}
-				}
-				sa= sa->next;
-			}
-		}
-		
-		/* old files could have been saved with slidermin = slidermax = 0.0, but the UI in
-		 * 2.4x would never reveal this to users as a dummy value always ended up getting used
-		 * instead
-		 */
-		for (key = main->key.first; key; key = key->id.next) {
-			KeyBlock *kb;
-			
-			for (kb = key->block.first; kb; kb = kb->next) {
-				if (IS_EQF(kb->slidermin, kb->slidermax) && IS_EQ(kb->slidermax, 0))
-					kb->slidermax = kb->slidermin + 1.0f;
-			}
-		}
-	}
-	
-	if (main->versionfile < 256 || (main->versionfile == 256 && main->subversionfile < 1)) {
-		/* fix for bones that didn't have arm_roll before */
-		bArmature* arm;
-		Bone* bone;
-		Object *ob;
-
-		for (arm = main->armature.first; arm; arm = arm->id.next)
-			for (bone = arm->bonebase.first; bone; bone = bone->next)
-				do_version_bone_roll_256(bone);
-
-		/* fix for objects which have zero dquat's
-		 * since this is multiplied with the quat rather than added */
-		for (ob= main->object.first; ob; ob= ob->id.next) {
-			if (is_zero_v4(ob->dquat)) {
-				unit_qt(ob->dquat);
-			}
-			if (is_zero_v3(ob->drotAxis) && ob->drotAngle == 0.0f) {
-				unit_axis_angle(ob->drotAxis, &ob->drotAngle);
-			}
-		}
-	}
-
-	if (main->versionfile < 256 || (main->versionfile == 256 && main->subversionfile < 2)) {
-		bNodeTree *ntree;
-		
-		/* node sockets are not exposed automatically any more,
-		 * this mimics the old behavior by adding all unlinked sockets to groups.
-		 */
-		for (ntree=main->nodetree.first; ntree; ntree=ntree->id.next) {
-			/* XXX Only setting a flag here. Actual adding of group sockets
-			 * is done in lib_verify_nodetree, because at this point the internal
-			 * nodes may not be up-to-date! (missing lib-link)
-			 */
-			ntree->flag |= NTREE_DO_VERSIONS_GROUP_EXPOSE;
-		}
-	}
-
-	if (main->versionfile < 256 || (main->versionfile == 256 && main->subversionfile <3)) {
-		bScreen *sc;
-		Brush *brush;
-		Object *ob;
-		ParticleSettings *part;
-		Material *mat;
-		int tex_nr, transp_tex;
-		
-		for (mat = main->mat.first; mat; mat = mat->id.next) {
-			if (!(mat->mode & MA_TRANSP) && !(mat->material_type & MA_TYPE_VOLUME)) {
-				
-				transp_tex= 0;
-				
-				for (tex_nr=0; tex_nr<MAX_MTEX; tex_nr++) {
-					if (!mat->mtex[tex_nr]) continue;
-					if (mat->mtex[tex_nr]->mapto & MAP_ALPHA) transp_tex= 1;
-				}
-
-				/* weak! material alpha could be animated */
-				if (mat->alpha < 1.0f || mat->fresnel_tra > 0.0f || transp_tex) {
-					mat->mode |= MA_TRANSP;
-					mat->mode &= ~(MA_ZTRANSP|MA_RAYTRANSP);
-				}
-			}
-		}
-
-		/* redraws flag in SpaceTime has been moved to Screen level */
-		for (sc = main->screen.first; sc; sc= sc->id.next) {
-			if (sc->redraws_flag == 0) {
-				/* just initialize to default? */
-				// XXX: we could also have iterated through areas, and taken them from the first timeline available...
-				sc->redraws_flag = TIME_ALL_3D_WIN|TIME_ALL_ANIM_WIN;
-			}
-		}
-
-		for (brush= main->brush.first; brush; brush= brush->id.next) {
-			if (brush->height == 0)
-				brush->height= 0.4f;
-		}
-
-		/* replace 'rim material' option for in offset*/
-		for (ob = main->object.first; ob; ob = ob->id.next) {
-			ModifierData *md;
-			for (md= ob->modifiers.first; md; md= md->next) {
-				if (md->type == eModifierType_Solidify) {
-					SolidifyModifierData *smd = (SolidifyModifierData *)md;
-					if (smd->flag & MOD_SOLIDIFY_RIM_MATERIAL) {
-						smd->mat_ofs_rim= 1;
-						smd->flag &= ~MOD_SOLIDIFY_RIM_MATERIAL;
-					}
-				}
-			}
-		}
-
-		/* particle draw color from material */
-		for (part = main->particle.first; part; part = part->id.next) {
-			if (part->draw & PART_DRAW_MAT_COL)
-				part->draw_col = PART_DRAW_COL_MAT;
-		}
-	}
-
-	if (main->versionfile < 256 || (main->versionfile == 256 && main->subversionfile < 6)) {
-		Mesh *me;
-
-		for (me= main->mesh.first; me; me= me->id.next)
-			mesh_calc_normals_tessface(me->mvert, me->totvert, me->mface, me->totface, NULL);
-	}
-
-	if (main->versionfile < 256 || (main->versionfile == 256 && main->subversionfile < 2)) {
-		/* update blur area sizes from 0..1 range to 0..100 percentage */
-		Scene *scene;
-		bNode *node;
-		for (scene=main->scene.first; scene; scene=scene->id.next)
-			if (scene->nodetree)
-				for (node=scene->nodetree->nodes.first; node; node=node->next)
-					if (node->type==CMP_NODE_BLUR) {
-						NodeBlurData *nbd= node->storage;
-						nbd->percentx *= 100.0f;
-						nbd->percenty *= 100.0f;
-					}
-	}
-
-	if (main->versionfile < 258 || (main->versionfile == 258 && main->subversionfile < 1)) {
-		/* screen view2d settings were not properly initialized [#27164]
-		 * v2d->scroll caused the bug but best reset other values too which are in old blend files only.
-		 * need to make less ugly - possibly an iterator? */
-		bScreen *screen;
-		for (screen= main->screen.first; screen; screen= screen->id.next) {
-			ScrArea *sa;
-			/* add regions */
-			for (sa= screen->areabase.first; sa; sa= sa->next) {
-				SpaceLink *sl= sa->spacedata.first;
-				if (sl->spacetype==SPACE_IMAGE) {
-					ARegion *ar;
-					for (ar=sa->regionbase.first; ar; ar= ar->next) {
-						if (ar->regiontype == RGN_TYPE_WINDOW) {
-							View2D *v2d= &ar->v2d;
-							v2d->minzoom= v2d->maxzoom= v2d->scroll= v2d->keeptot= v2d->keepzoom= v2d->keepofs= v2d->align= 0;
-						}
-					}
-				}
-				for (sl= sa->spacedata.first; sl; sl= sl->next) {
-					if (sl->spacetype==SPACE_IMAGE) {
-						ARegion *ar;
-						for (ar=sl->regionbase.first; ar; ar= ar->next) {
-							if (ar->regiontype == RGN_TYPE_WINDOW) {
-								View2D *v2d= &ar->v2d;
-								v2d->minzoom= v2d->maxzoom= v2d->scroll= v2d->keeptot= v2d->keepzoom= v2d->keepofs= v2d->align= 0;
-							}
-						}
-					}
-				}
-			}
-		}
-
-		{
-			/* Initialize texture point density curve falloff */
-			Tex *tex;
-			for (tex= main->tex.first; tex; tex= tex->id.next) {
-				if (tex->pd) {
-					if (tex->pd->falloff_speed_scale == 0.0f)
-						tex->pd->falloff_speed_scale = 100.0f;
-					
-					if (!tex->pd->falloff_curve) {
-						tex->pd->falloff_curve = curvemapping_add(1, 0, 0, 1, 1);
-						
-						tex->pd->falloff_curve->preset = CURVE_PRESET_LINE;
-						tex->pd->falloff_curve->cm->flag &= ~CUMA_EXTEND_EXTRAPOLATE;
-						curvemap_reset(tex->pd->falloff_curve->cm, &tex->pd->falloff_curve->clipr, tex->pd->falloff_curve->preset, CURVEMAP_SLOPE_POSITIVE);
-						curvemapping_changed(tex->pd->falloff_curve, 0);
-					}
-				}
-			}
-		}
-
-		{
-			/* add default value for behind strength of camera actuator */
-			Object *ob;
-			bActuator *act;
-			for (ob = main->object.first; ob; ob= ob->id.next) {
-				for (act= ob->actuators.first; act; act= act->next) {
-					if (act->type == ACT_CAMERA) {
-						bCameraActuator *ba= act->data;
-
-						ba->damping = 1.0/32.0;
-					}
-				}
-			}
-		}
-
-		{
-			ParticleSettings *part;
-			for (part = main->particle.first; part; part = part->id.next) {
-				/* Initialize particle billboard scale */
-				part->bb_size[0] = part->bb_size[1] = 1.0f;
-			}
-		}
-	}
-
-	if (main->versionfile < 259 || (main->versionfile == 259 && main->subversionfile < 1)) {
-		{
-			Scene *scene;
-			Sequence *seq;
-
-			for (scene=main->scene.first; scene; scene=scene->id.next) {
-				scene->r.ffcodecdata.audio_channels = 2;
-				scene->audio.volume = 1.0f;
-				SEQ_BEGIN (scene->ed, seq)
-				{
-					seq->pitch = 1.0f;
-				}
-				SEQ_END
-			}
-		}
-		{
-			bScreen *screen;
-			for (screen= main->screen.first; screen; screen= screen->id.next) {
-				ScrArea *sa;
-				/* add regions */
-				for (sa= screen->areabase.first; sa; sa= sa->next) {
-					SpaceLink *sl= sa->spacedata.first;
-					if (sl->spacetype==SPACE_SEQ) {
-						ARegion *ar;
-						for (ar=sa->regionbase.first; ar; ar= ar->next) {
-							if (ar->regiontype == RGN_TYPE_WINDOW) {
-								if (ar->v2d.min[1] == 4.0f)
-									ar->v2d.min[1]= 0.5f;
-							}
-						}
-					}
-					for (sl= sa->spacedata.first; sl; sl= sl->next) {
-						if (sl->spacetype==SPACE_SEQ) {
-							ARegion *ar;
-							for (ar=sl->regionbase.first; ar; ar= ar->next) {
-								if (ar->regiontype == RGN_TYPE_WINDOW) {
-									if (ar->v2d.min[1] == 4.0f)
-										ar->v2d.min[1]= 0.5f;
-								}
-							}
-						}
-					}
-				}
-			}
-		}
-		{
-			/* Make "auto-clamped" handles a per-keyframe setting instead of per-FCurve 
-			 *
-			 * We're only patching F-Curves in Actions here, since it is assumed that most
-			 * drivers out there won't be using this (and if they are, they're in the minority).
-			 * While we should aim to fix everything ideally, in practice it's far too hard
-			 * to get to every animdata block, not to mention the performance hit that'd have
-			 */
-			bAction *act;
-			FCurve *fcu;
-			
-			for (act = main->action.first; act; act = act->id.next) {
-				for (fcu = act->curves.first; fcu; fcu = fcu->next) {
-					BezTriple *bezt;
-					unsigned int i = 0;
-					
-					/* only need to touch curves that had this flag set */
-					if ((fcu->flag & FCURVE_AUTO_HANDLES) == 0)
-						continue;
-					if ((fcu->totvert == 0) || (fcu->bezt == NULL))
-						continue;
-						
-					/* only change auto-handles to auto-clamped */
-					for (bezt=fcu->bezt; i < fcu->totvert; i++, bezt++) {
-						if (bezt->h1 == HD_AUTO) bezt->h1 = HD_AUTO_ANIM;
-						if (bezt->h2 == HD_AUTO) bezt->h2 = HD_AUTO_ANIM;
-					}
-					
-					fcu->flag &= ~FCURVE_AUTO_HANDLES;
-				}
-			}
-		}
-		{
-			/* convert fcurve and shape action actuators to action actuators */
-			Object *ob;
-			bActuator *act;
-			bIpoActuator *ia;
-			bActionActuator *aa;
-
-			for (ob= main->object.first; ob; ob= ob->id.next) {
-				for (act= ob->actuators.first; act; act= act->next) {
-					if (act->type == ACT_IPO) {
-						// Create the new actuator
-						ia= act->data;
-						aa= MEM_callocN(sizeof(bActionActuator), "fcurve -> action actuator do_version");
-
-						// Copy values
-						aa->type = ia->type;
-						aa->flag = ia->flag;
-						aa->sta = ia->sta;
-						aa->end = ia->end;
-						BLI_strncpy(aa->name, ia->name, sizeof(aa->name));
-						BLI_strncpy(aa->frameProp, ia->frameProp, sizeof(aa->frameProp));
-						if (ob->adt)
-							aa->act = ob->adt->action;
-
-						// Get rid of the old actuator
-						MEM_freeN(ia);
-
-						// Assign the new actuator
-						act->data = aa;
-						act->type= act->otype= ACT_ACTION;
-						
-					}
-					else if (act->type == ACT_SHAPEACTION) {
-						act->type = act->otype = ACT_ACTION;
-					}
-				}
-			}
-		}
-	}
-
-	if (main->versionfile < 259 || (main->versionfile == 259 && main->subversionfile < 2)) {
-		{
-			/* Convert default socket values from bNodeStack */
-			Scene *sce;
-			Material *mat;
-			Tex *tex;
-			bNodeTree *ntree;
-			for (ntree=main->nodetree.first; ntree; ntree=ntree->id.next) {
-				do_versions_nodetree_default_value(ntree);
-				ntree->update |= NTREE_UPDATE;
-			}
-			for (sce=main->scene.first; sce; sce=sce->id.next)
-				if (sce->nodetree) {
-				do_versions_nodetree_default_value(sce->nodetree);
-				sce->nodetree->update |= NTREE_UPDATE;
-			}
-			for (mat=main->mat.first; mat; mat=mat->id.next)
-				if (mat->nodetree) {
-				do_versions_nodetree_default_value(mat->nodetree);
-				mat->nodetree->update |= NTREE_UPDATE;
-			}
-			for (tex=main->tex.first; tex; tex=tex->id.next)
-				if (tex->nodetree) {
-				do_versions_nodetree_default_value(tex->nodetree);
-				tex->nodetree->update |= NTREE_UPDATE;
-			}
-		}
-
-		/* add SOCK_DYNAMIC flag to existing group sockets */
-		{
-			bNodeTree *ntree;
-			/* only need to do this for trees in main, local trees are not used as groups */
-			for (ntree=main->nodetree.first; ntree; ntree=ntree->id.next) {
-				do_versions_nodetree_dynamic_sockets(ntree);
-				ntree->update |= NTREE_UPDATE;
-			}
-		}
-
-		{
-			/* Initialize group tree nodetypes.
-			 * These are used to distinguish tree types and
-			 * associate them with specific node types for polling.
-			 */
-			bNodeTree *ntree;
-			/* all node trees in main->nodetree are considered groups */
-			for (ntree=main->nodetree.first; ntree; ntree=ntree->id.next)
-				ntree->nodetype = NODE_GROUP;
-		}
-	}
-
-	if (main->versionfile < 259 || (main->versionfile == 259 && main->subversionfile < 4)) {
-		{
-			/* Adaptive time step for particle systems */
-			ParticleSettings *part;
-			for (part = main->particle.first; part; part = part->id.next) {
-				part->courant_target = 0.2f;
-				part->time_flag &= ~PART_TIME_AUTOSF;
-			}
-		}
-
-		{
-			/* set defaults for obstacle avoidance, recast data */
-			Scene *sce;
-			for (sce = main->scene.first; sce; sce = sce->id.next) {
-				if (sce->gm.levelHeight == 0.f)
-					sce->gm.levelHeight = 2.f;
-
-				if (sce->gm.recastData.cellsize == 0.0f)
-					sce->gm.recastData.cellsize = 0.3f;
-				if (sce->gm.recastData.cellheight == 0.0f)
-					sce->gm.recastData.cellheight = 0.2f;
-				if (sce->gm.recastData.agentmaxslope == 0.0f)
-					sce->gm.recastData.agentmaxslope = (float)M_PI/4;
-				if (sce->gm.recastData.agentmaxclimb == 0.0f)
-					sce->gm.recastData.agentmaxclimb = 0.9f;
-				if (sce->gm.recastData.agentheight == 0.0f)
-					sce->gm.recastData.agentheight = 2.0f;
-				if (sce->gm.recastData.agentradius == 0.0f)
-					sce->gm.recastData.agentradius = 0.6f;
-				if (sce->gm.recastData.edgemaxlen == 0.0f)
-					sce->gm.recastData.edgemaxlen = 12.0f;
-				if (sce->gm.recastData.edgemaxerror == 0.0f)
-					sce->gm.recastData.edgemaxerror = 1.3f;
-				if (sce->gm.recastData.regionminsize == 0.0f)
-					sce->gm.recastData.regionminsize = 8.f;
-				if (sce->gm.recastData.regionmergesize == 0.0f)
-					sce->gm.recastData.regionmergesize = 20.f;
-				if (sce->gm.recastData.vertsperpoly<3)
-					sce->gm.recastData.vertsperpoly = 6;
-				if (sce->gm.recastData.detailsampledist == 0.0f)
-					sce->gm.recastData.detailsampledist = 6.0f;
-				if (sce->gm.recastData.detailsamplemaxerror == 0.0f)
-					sce->gm.recastData.detailsamplemaxerror = 1.0f;
-			}
-		}
-	}
+	blo_do_versions_pre250(fd, lib, main);
+	blo_do_versions_250(fd, lib, main);
 
 	if (main->versionfile < 260) {
 		{
@@ -14185,7 +8214,7 @@ static void expand_object(FileData *fd, Main *mainvar, Object *ob)
 		expand_doit(fd, mainvar, ob->mat[a]);
 	}
 	
-	paf = do_version_give_parteff_245(ob);
+	paf = blo_do_version_give_parteff_245(ob);
 	if (paf && paf->group) 
 		expand_doit(fd, mainvar, paf->group);
 
diff --git a/source/blender/blenloader/intern/readfile.h b/source/blender/blenloader/intern/readfile.h
index 511ded0ecdc..9be375977e9 100644
--- a/source/blender/blenloader/intern/readfile.h
+++ b/source/blender/blenloader/intern/readfile.h
@@ -39,6 +39,10 @@ struct OldNewMap;
 struct MemFile;
 struct bheadsort;
 struct ReportList;
+struct Object;
+struct PartEff;
+struct View3D;
+struct bNodeTree;
 
 typedef struct FileData {
 	// linked list of BHeadN's
@@ -133,5 +137,19 @@ BHead *blo_prevbhead(FileData *fd, BHead *thisblock);
 
 char *bhead_id_name(FileData *fd, BHead *bhead);
 
+/* do versions stuff */
+
+void blo_do_versions_oldnewmap_insert(struct OldNewMap *onm, void *oldaddr, void *newaddr, int nr);
+void *blo_do_versions_newlibadr(struct FileData *fd, void *lib, void *adr);
+void *blo_do_versions_newlibadr_us(struct FileData *fd, void *lib, void *adr);
+
+struct PartEff *blo_do_version_give_parteff_245(struct Object *ob);
+void blo_do_version_old_trackto_to_constraints(struct Object *ob);
+void blo_do_versions_view3d_split_250(struct View3D *v3d, struct ListBase *regions);
+void blo_do_versions_nodetree_default_value(struct bNodeTree *ntree);
+
+void blo_do_versions_pre250(struct FileData *fd, struct Library *lib, struct Main *main);
+void blo_do_versions_250(struct FileData *fd, struct Library *lib, struct Main *main);
+
 #endif
 
diff --git a/source/blender/blenloader/intern/versioning_250.c b/source/blender/blenloader/intern/versioning_250.c
new file mode 100644
index 00000000000..c6bab33f364
--- /dev/null
+++ b/source/blender/blenloader/intern/versioning_250.c
@@ -0,0 +1,2677 @@
+/*
+ * ***** BEGIN GPL LICENSE BLOCK *****
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
+ * All rights reserved.
+ *
+ *
+ * Contributor(s): Blender Foundation
+ *
+ * ***** END GPL LICENSE BLOCK *****
+ *
+ */
+
+/** \file blender/blenloader/intern/readfile_250.c
+ *  \ingroup blenloader
+ */
+
+#ifndef WIN32
+#  include <unistd.h> // for read close
+#else
+#  include <io.h> // for open close read
+#  include "winsock2.h"
+#  include "BLI_winstuff.h"
+#endif
+
+/* allow readfile to use deprecated functionality */
+#define DNA_DEPRECATED_ALLOW
+
+#include "DNA_anim_types.h"
+#include "DNA_armature_types.h"
+#include "DNA_actuator_types.h"
+#include "DNA_brush_types.h"
+#include "DNA_camera_types.h"
+#include "DNA_cloth_types.h"
+#include "DNA_constraint_types.h"
+#include "DNA_ipo_types.h"
+#include "DNA_key_types.h"
+#include "DNA_lattice_types.h"
+#include "DNA_lamp_types.h"
+#include "DNA_material_types.h"
+#include "DNA_mesh_types.h"
+#include "DNA_meshdata_types.h"
+#include "DNA_node_types.h"
+#include "DNA_object_fluidsim.h" // NT
+#include "DNA_object_types.h"
+#include "DNA_view3d_types.h"
+#include "DNA_screen_types.h"
+#include "DNA_sdna_types.h"
+#include "DNA_sequence_types.h"
+#include "DNA_smoke_types.h"
+#include "DNA_sound_types.h"
+#include "DNA_space_types.h"
+#include "DNA_world_types.h"
+
+#include "MEM_guardedalloc.h"
+
+#include "BLI_utildefines.h"
+#include "BLI_blenlib.h"
+#include "BLI_math.h"
+#include "BLI_edgehash.h"
+
+#include "BKE_anim.h"
+#include "BKE_armature.h"
+#include "BKE_colortools.h"
+#include "BKE_global.h" // for G
+#include "BKE_library.h" // for which_libbase
+#include "BKE_main.h" // for Main
+#include "BKE_mesh.h" // for ME_ defines (patching)
+#include "BKE_modifier.h"
+#include "BKE_multires.h"
+#include "BKE_particle.h"
+#include "BKE_pointcache.h"
+#include "BKE_screen.h"
+#include "BKE_sequencer.h"
+#include "BKE_texture.h" // for open_plugin_tex
+#include "BKE_utildefines.h" // SWITCH_INT DATA ENDB DNA1 O_BINARY GLOB USER TEST REND
+#include "BKE_sound.h"
+
+#include "NOD_socket.h"
+
+//XXX #include "BIF_butspace.h" // badlevel, for do_versions, patching event codes
+//XXX #include "BIF_filelist.h" // badlevel too, where to move this? - elubie
+//XXX #include "BIF_previewrender.h" // bedlelvel, for struct RenderInfo
+#include "BLO_readfile.h"
+#include "BLO_undofile.h"
+
+#include "RE_engine.h"
+
+#include "readfile.h"
+
+#include "PIL_time.h"
+
+#include <errno.h>
+
+/* 2.50 patch */
+static void area_add_header_region(ScrArea *sa, ListBase *lb)
+{
+	ARegion *ar= MEM_callocN(sizeof(ARegion), "area region from do_versions");
+	
+	BLI_addtail(lb, ar);
+	ar->regiontype= RGN_TYPE_HEADER;
+	if (sa->headertype==HEADERDOWN)
+		ar->alignment= RGN_ALIGN_BOTTOM;
+	else
+		ar->alignment= RGN_ALIGN_TOP;
+	
+	/* initialize view2d data for header region, to allow panning */
+	/* is copy from ui_view2d.c */
+	ar->v2d.keepzoom = (V2D_LOCKZOOM_X|V2D_LOCKZOOM_Y|V2D_LIMITZOOM|V2D_KEEPASPECT);
+	ar->v2d.keepofs = V2D_LOCKOFS_Y;
+	ar->v2d.keeptot = V2D_KEEPTOT_STRICT; 
+	ar->v2d.align = V2D_ALIGN_NO_NEG_X|V2D_ALIGN_NO_NEG_Y;
+	ar->v2d.flag = (V2D_PIXELOFS_X|V2D_PIXELOFS_Y);
+}
+
+static void sequencer_init_preview_region(ARegion* ar)
+{
+	// XXX a bit ugly still, copied from space_sequencer
+	/* NOTE: if you change values here, also change them in space_sequencer.c, sequencer_new */
+	ar->regiontype= RGN_TYPE_PREVIEW;
+	ar->alignment= RGN_ALIGN_TOP;
+	ar->flag |= RGN_FLAG_HIDDEN;
+	ar->v2d.keepzoom= V2D_KEEPASPECT | V2D_KEEPZOOM;
+	ar->v2d.minzoom= 0.00001f;
+	ar->v2d.maxzoom= 100000.0f;
+	ar->v2d.tot.xmin = -960.0f; /* 1920 width centered */
+	ar->v2d.tot.ymin = -540.0f; /* 1080 height centered */
+	ar->v2d.tot.xmax = 960.0f;
+	ar->v2d.tot.ymax = 540.0f;
+	ar->v2d.min[0]= 0.0f;
+	ar->v2d.min[1]= 0.0f;
+	ar->v2d.max[0]= 12000.0f;
+	ar->v2d.max[1]= 12000.0f;
+	ar->v2d.cur= ar->v2d.tot;
+	ar->v2d.align= V2D_ALIGN_FREE; // (V2D_ALIGN_NO_NEG_X|V2D_ALIGN_NO_NEG_Y);
+	ar->v2d.keeptot= V2D_KEEPTOT_FREE;
+}
+
+static void area_add_window_regions(ScrArea *sa, SpaceLink *sl, ListBase *lb)
+{
+	ARegion *ar;
+	ARegion *ar_main;
+
+	if (sl) {
+		/* first channels for ipo action nla... */
+		switch (sl->spacetype) {
+			case SPACE_IPO:
+				ar= MEM_callocN(sizeof(ARegion), "area region from do_versions");
+				BLI_addtail(lb, ar);
+				ar->regiontype= RGN_TYPE_CHANNELS;
+				ar->alignment= RGN_ALIGN_LEFT; 
+				ar->v2d.scroll= (V2D_SCROLL_RIGHT|V2D_SCROLL_BOTTOM);
+				
+					// for some reason, this doesn't seem to go auto like for NLA...
+				ar= MEM_callocN(sizeof(ARegion), "area region from do_versions");
+				BLI_addtail(lb, ar);
+				ar->regiontype= RGN_TYPE_UI;
+				ar->alignment= RGN_ALIGN_RIGHT;
+				ar->v2d.scroll= V2D_SCROLL_RIGHT;
+				ar->v2d.flag = RGN_FLAG_HIDDEN;
+				break;
+				
+			case SPACE_ACTION:
+				ar= MEM_callocN(sizeof(ARegion), "area region from do_versions");
+				BLI_addtail(lb, ar);
+				ar->regiontype= RGN_TYPE_CHANNELS;
+				ar->alignment= RGN_ALIGN_LEFT;
+				ar->v2d.scroll= V2D_SCROLL_BOTTOM;
+				ar->v2d.flag = V2D_VIEWSYNC_AREA_VERTICAL;
+				break;
+				
+			case SPACE_NLA:
+				ar= MEM_callocN(sizeof(ARegion), "area region from do_versions");
+				BLI_addtail(lb, ar);
+				ar->regiontype= RGN_TYPE_CHANNELS;
+				ar->alignment= RGN_ALIGN_LEFT;
+				ar->v2d.scroll= V2D_SCROLL_BOTTOM;
+				ar->v2d.flag = V2D_VIEWSYNC_AREA_VERTICAL;
+				
+					// for some reason, some files still don't get this auto
+				ar= MEM_callocN(sizeof(ARegion), "area region from do_versions");
+				BLI_addtail(lb, ar);
+				ar->regiontype= RGN_TYPE_UI;
+				ar->alignment= RGN_ALIGN_RIGHT;
+				ar->v2d.scroll= V2D_SCROLL_RIGHT;
+				ar->v2d.flag = RGN_FLAG_HIDDEN;
+				break;
+				
+			case SPACE_NODE:
+				ar= MEM_callocN(sizeof(ARegion), "nodetree area for node");
+				BLI_addtail(lb, ar);
+				ar->regiontype= RGN_TYPE_UI;
+				ar->alignment= RGN_ALIGN_LEFT;
+				ar->v2d.scroll = (V2D_SCROLL_RIGHT|V2D_SCROLL_BOTTOM);
+				ar->v2d.flag = V2D_VIEWSYNC_AREA_VERTICAL;
+				/* temporarily hide it */
+				ar->flag = RGN_FLAG_HIDDEN;
+				break;
+			case SPACE_FILE:
+				ar= MEM_callocN(sizeof(ARegion), "nodetree area for node");
+				BLI_addtail(lb, ar);
+				ar->regiontype= RGN_TYPE_CHANNELS;
+				ar->alignment= RGN_ALIGN_LEFT;
+
+				ar= MEM_callocN(sizeof(ARegion), "ui area for file");
+				BLI_addtail(lb, ar);
+				ar->regiontype= RGN_TYPE_UI;
+				ar->alignment= RGN_ALIGN_TOP;
+				break;
+			case SPACE_SEQ:
+				ar_main = (ARegion*)lb->first;
+				for (; ar_main; ar_main = ar_main->next) {
+					if (ar_main->regiontype == RGN_TYPE_WINDOW)
+						break;
+				}
+				ar= MEM_callocN(sizeof(ARegion), "preview area for sequencer");
+				BLI_insertlinkbefore(lb, ar_main, ar);
+				sequencer_init_preview_region(ar);
+				break;
+			case SPACE_VIEW3D:
+				/* toolbar */
+				ar= MEM_callocN(sizeof(ARegion), "toolbar for view3d");
+				
+				BLI_addtail(lb, ar);
+				ar->regiontype= RGN_TYPE_TOOLS;
+				ar->alignment= RGN_ALIGN_LEFT;
+				ar->flag = RGN_FLAG_HIDDEN;
+				
+				/* tool properties */
+				ar= MEM_callocN(sizeof(ARegion), "tool properties for view3d");
+				
+				BLI_addtail(lb, ar);
+				ar->regiontype= RGN_TYPE_TOOL_PROPS;
+				ar->alignment= RGN_ALIGN_BOTTOM|RGN_SPLIT_PREV;
+				ar->flag = RGN_FLAG_HIDDEN;
+				
+				/* buttons/list view */
+				ar= MEM_callocN(sizeof(ARegion), "buttons for view3d");
+				
+				BLI_addtail(lb, ar);
+				ar->regiontype= RGN_TYPE_UI;
+				ar->alignment= RGN_ALIGN_RIGHT;
+				ar->flag = RGN_FLAG_HIDDEN;
+#if 0
+			case SPACE_BUTS:
+				/* context UI region */
+				ar= MEM_callocN(sizeof(ARegion), "area region from do_versions");
+				BLI_addtail(lb, ar);
+				ar->regiontype= RGN_TYPE_UI;
+				ar->alignment= RGN_ALIGN_RIGHT;
+				
+				break;
+#endif
+		}
+	}
+
+	/* main region */
+	ar= MEM_callocN(sizeof(ARegion), "area region from do_versions");
+	
+	BLI_addtail(lb, ar);
+	ar->winrct= sa->totrct;
+	
+	ar->regiontype= RGN_TYPE_WINDOW;
+	
+	if (sl) {
+		/* if active spacetype has view2d data, copy that over to main region */
+		/* and we split view3d */
+		switch (sl->spacetype) {
+			case SPACE_VIEW3D:
+				blo_do_versions_view3d_split_250((View3D *)sl, lb);
+				break;		
+						
+			case SPACE_OUTLINER:
+			{
+				SpaceOops *soops= (SpaceOops *)sl;
+				
+				memcpy(&ar->v2d, &soops->v2d, sizeof(View2D));
+				
+				ar->v2d.scroll &= ~V2D_SCROLL_LEFT;
+				ar->v2d.scroll |= (V2D_SCROLL_RIGHT|V2D_SCROLL_BOTTOM_O);
+				ar->v2d.align = (V2D_ALIGN_NO_NEG_X|V2D_ALIGN_NO_POS_Y);
+				ar->v2d.keepzoom |= (V2D_LOCKZOOM_X|V2D_LOCKZOOM_Y|V2D_KEEPASPECT);
+				ar->v2d.keeptot = V2D_KEEPTOT_STRICT;
+				ar->v2d.minzoom= ar->v2d.maxzoom= 1.0f;
+				//ar->v2d.flag |= V2D_IS_INITIALISED;
+			}
+				break;
+			case SPACE_TIME:
+			{
+				SpaceTime *stime= (SpaceTime *)sl;
+				memcpy(&ar->v2d, &stime->v2d, sizeof(View2D));
+				
+				ar->v2d.scroll |= (V2D_SCROLL_BOTTOM|V2D_SCROLL_SCALE_HORIZONTAL);
+				ar->v2d.align |= V2D_ALIGN_NO_NEG_Y;
+				ar->v2d.keepofs |= V2D_LOCKOFS_Y;
+				ar->v2d.keepzoom |= V2D_LOCKZOOM_Y;
+				ar->v2d.tot.ymin = ar->v2d.cur.ymin = -10.0;
+				ar->v2d.min[1]= ar->v2d.max[1]= 20.0;
+			}
+				break;
+			case SPACE_IPO:
+			{
+				SpaceIpo *sipo= (SpaceIpo *)sl;
+				memcpy(&ar->v2d, &sipo->v2d, sizeof(View2D));
+				
+				/* init mainarea view2d */
+				ar->v2d.scroll |= (V2D_SCROLL_BOTTOM|V2D_SCROLL_SCALE_HORIZONTAL);
+				ar->v2d.scroll |= (V2D_SCROLL_LEFT|V2D_SCROLL_SCALE_VERTICAL);
+				
+				ar->v2d.min[0]= FLT_MIN;
+				ar->v2d.min[1]= FLT_MIN;
+				
+				ar->v2d.max[0]= MAXFRAMEF;
+				ar->v2d.max[1]= FLT_MAX;
+				
+				//ar->v2d.flag |= V2D_IS_INITIALISED;
+				break;
+			}
+			case SPACE_NLA:
+			{
+				SpaceNla *snla= (SpaceNla *)sl;
+				memcpy(&ar->v2d, &snla->v2d, sizeof(View2D));
+				
+				ar->v2d.tot.ymin = (float)(-sa->winy)/3.0f;
+				ar->v2d.tot.ymax = 0.0f;
+				
+				ar->v2d.scroll |= (V2D_SCROLL_BOTTOM|V2D_SCROLL_SCALE_HORIZONTAL);
+				ar->v2d.scroll |= (V2D_SCROLL_RIGHT);
+				ar->v2d.align = V2D_ALIGN_NO_POS_Y;
+				ar->v2d.flag |= V2D_VIEWSYNC_AREA_VERTICAL;
+				break;
+			}
+			case SPACE_ACTION:
+			{
+				SpaceAction *saction= (SpaceAction *)sl;
+				
+				/* we totally reinit the view for the Action Editor, as some old instances had some weird cruft set */
+				ar->v2d.tot.xmin = -20.0f;
+				ar->v2d.tot.ymin = (float)(-sa->winy)/3.0f;
+				ar->v2d.tot.xmax = (float)((sa->winx > 120)? (sa->winx) : 120);
+				ar->v2d.tot.ymax = 0.0f;
+				
+				ar->v2d.cur= ar->v2d.tot;
+				
+				ar->v2d.min[0]= 0.0f;
+				ar->v2d.min[1]= 0.0f;
+				
+				ar->v2d.max[0]= MAXFRAMEF;
+				ar->v2d.max[1]= FLT_MAX;
+
+				ar->v2d.minzoom= 0.01f;
+				ar->v2d.maxzoom= 50;
+				ar->v2d.scroll = (V2D_SCROLL_BOTTOM|V2D_SCROLL_SCALE_HORIZONTAL);
+				ar->v2d.scroll |= (V2D_SCROLL_RIGHT);
+				ar->v2d.keepzoom= V2D_LOCKZOOM_Y;
+				ar->v2d.align= V2D_ALIGN_NO_POS_Y;
+				ar->v2d.flag = V2D_VIEWSYNC_AREA_VERTICAL;
+				
+				/* for old files with ShapeKey editors open + an action set, clear the action as 
+				 * it doesn't make sense in the new system (i.e. violates concept that ShapeKey edit
+				 * only shows ShapeKey-rooted actions only)
+				 */
+				if (saction->mode == SACTCONT_SHAPEKEY)
+					saction->action = NULL;
+				break;
+			}
+			case SPACE_SEQ:
+			{
+				SpaceSeq *sseq= (SpaceSeq *)sl;
+				memcpy(&ar->v2d, &sseq->v2d, sizeof(View2D));
+				
+				ar->v2d.scroll |= (V2D_SCROLL_BOTTOM|V2D_SCROLL_SCALE_HORIZONTAL);
+				ar->v2d.scroll |= (V2D_SCROLL_LEFT|V2D_SCROLL_SCALE_VERTICAL);
+				ar->v2d.align= V2D_ALIGN_NO_NEG_Y;
+				ar->v2d.flag |= V2D_IS_INITIALISED;
+				break;
+			}
+			case SPACE_NODE:
+			{
+				SpaceNode *snode= (SpaceNode *)sl;
+				memcpy(&ar->v2d, &snode->v2d, sizeof(View2D));
+				
+				ar->v2d.scroll= (V2D_SCROLL_RIGHT|V2D_SCROLL_BOTTOM);
+				ar->v2d.keepzoom= V2D_LIMITZOOM|V2D_KEEPASPECT;
+				break;
+			}
+			case SPACE_BUTS:
+			{
+				SpaceButs *sbuts= (SpaceButs *)sl;
+				memcpy(&ar->v2d, &sbuts->v2d, sizeof(View2D));
+				
+				ar->v2d.scroll |= (V2D_SCROLL_RIGHT|V2D_SCROLL_BOTTOM); 
+				break;
+			}
+			case SPACE_FILE:
+			 {
+				// SpaceFile *sfile= (SpaceFile *)sl;
+				ar->v2d.tot.xmin = ar->v2d.tot.ymin = 0;
+				ar->v2d.tot.xmax = ar->winx;
+				ar->v2d.tot.ymax = ar->winy;
+				ar->v2d.cur = ar->v2d.tot;
+				ar->regiontype= RGN_TYPE_WINDOW;
+				ar->v2d.scroll = (V2D_SCROLL_RIGHT|V2D_SCROLL_BOTTOM_O);
+				ar->v2d.align = (V2D_ALIGN_NO_NEG_X|V2D_ALIGN_NO_POS_Y);
+				ar->v2d.keepzoom = (V2D_LOCKZOOM_X|V2D_LOCKZOOM_Y|V2D_LIMITZOOM|V2D_KEEPASPECT);
+				break;
+			}
+			case SPACE_TEXT:
+			{
+				SpaceText *st= (SpaceText *)sl;
+				st->flags |= ST_FIND_WRAP;
+			}
+				//case SPACE_XXX: // FIXME... add other ones
+				//	memcpy(&ar->v2d, &((SpaceXxx *)sl)->v2d, sizeof(View2D));
+				//	break;
+		}
+	}
+}
+
+static void do_versions_windowmanager_2_50(bScreen *screen)
+{
+	ScrArea *sa;
+	SpaceLink *sl;
+	
+	/* add regions */
+	for (sa= screen->areabase.first; sa; sa= sa->next) {
+		
+		/* we keep headertype variable to convert old files only */
+		if (sa->headertype)
+			area_add_header_region(sa, &sa->regionbase);
+		
+		area_add_window_regions(sa, sa->spacedata.first, &sa->regionbase);
+		
+		/* space imageselect is deprecated */
+		for (sl= sa->spacedata.first; sl; sl= sl->next) {
+			if (sl->spacetype==SPACE_IMASEL)
+				sl->spacetype= SPACE_EMPTY;	/* spacedata then matches */
+		}
+		
+		/* space sound is deprecated */
+		for (sl= sa->spacedata.first; sl; sl= sl->next) {
+			if (sl->spacetype==SPACE_SOUND)
+				sl->spacetype= SPACE_EMPTY;	/* spacedata then matches */
+		}
+		
+		/* it seems to be possible in 2.5 to have this saved, filewindow probably */
+		sa->butspacetype= sa->spacetype;
+		
+		/* pushed back spaces also need regions! */
+		if (sa->spacedata.first) {
+			sl= sa->spacedata.first;
+			for (sl= sl->next; sl; sl= sl->next) {
+				if (sa->headertype)
+					area_add_header_region(sa, &sl->regionbase);
+				area_add_window_regions(sa, sl, &sl->regionbase);
+			}
+		}
+	}
+}
+
+static void versions_gpencil_add_main(ListBase *lb, ID *id, const char *name)
+{
+	
+	BLI_addtail(lb, id);
+	id->us= 1;
+	id->flag= LIB_FAKEUSER;
+	*( (short *)id->name )= ID_GD;
+	
+	new_id(lb, id, name);
+	/* alphabetic insterion: is in new_id */
+	
+	if (G.debug & G_DEBUG)
+		printf("Converted GPencil to ID: %s\n", id->name+2);
+}
+
+static void do_versions_gpencil_2_50(Main *main, bScreen *screen)
+{
+	ScrArea *sa;
+	SpaceLink *sl;
+	
+	/* add regions */
+	for (sa= screen->areabase.first; sa; sa= sa->next) {
+		for (sl= sa->spacedata.first; sl; sl= sl->next) {
+			if (sl->spacetype==SPACE_VIEW3D) {
+				View3D *v3d= (View3D*) sl;
+				if (v3d->gpd) {
+					versions_gpencil_add_main(&main->gpencil, (ID *)v3d->gpd, "GPencil View3D");
+					v3d->gpd= NULL;
+				}
+			}
+			else if (sl->spacetype==SPACE_NODE) {
+				SpaceNode *snode= (SpaceNode *)sl;
+				if (snode->gpd) {
+					versions_gpencil_add_main(&main->gpencil, (ID *)snode->gpd, "GPencil Node");
+					snode->gpd= NULL;
+				}
+			}
+			else if (sl->spacetype==SPACE_SEQ) {
+				SpaceSeq *sseq= (SpaceSeq *)sl;
+				if (sseq->gpd) {
+					versions_gpencil_add_main(&main->gpencil, (ID *)sseq->gpd, "GPencil Node");
+					sseq->gpd= NULL;
+				}
+			}
+			else if (sl->spacetype==SPACE_IMAGE) {
+				SpaceImage *sima= (SpaceImage *)sl;
+#if 0			/* see comment on r28002 */
+				if (sima->gpd) {
+					versions_gpencil_add_main(&main->gpencil, (ID *)sima->gpd, "GPencil Image");
+					sima->gpd= NULL;
+				}
+#else
+				sima->gpd= NULL;
+#endif
+			}
+		}
+	}		
+}
+
+static void do_version_mtex_factor_2_50(MTex **mtex_array, short idtype)
+{
+	MTex *mtex;
+	float varfac, colfac;
+	int a, neg;
+
+	if (!mtex_array)
+		return;
+
+	for (a=0; a<MAX_MTEX; a++) {
+		if (mtex_array[a]) {
+			mtex= mtex_array[a];
+
+			neg= mtex->maptoneg;
+			varfac= mtex->varfac;
+			colfac= mtex->colfac;
+
+			if (neg & MAP_DISP) mtex->dispfac= -mtex->dispfac;
+			if (neg & MAP_NORM) mtex->norfac= -mtex->norfac;
+			if (neg & MAP_WARP) mtex->warpfac= -mtex->warpfac;
+
+			mtex->colspecfac= (neg & MAP_COLSPEC)? -colfac: colfac;
+			mtex->mirrfac= (neg & MAP_COLMIR)? -colfac: colfac;
+			mtex->alphafac= (neg & MAP_ALPHA)? -varfac: varfac;
+			mtex->difffac= (neg & MAP_REF)? -varfac: varfac;
+			mtex->specfac= (neg & MAP_SPEC)? -varfac: varfac;
+			mtex->emitfac= (neg & MAP_EMIT)? -varfac: varfac;
+			mtex->hardfac= (neg & MAP_HAR)? -varfac: varfac;
+			mtex->raymirrfac= (neg & MAP_RAYMIRR)? -varfac: varfac;
+			mtex->translfac= (neg & MAP_TRANSLU)? -varfac: varfac;
+			mtex->ambfac= (neg & MAP_AMB)? -varfac: varfac;
+			mtex->colemitfac= (neg & MAP_EMISSION_COL)? -colfac: colfac;
+			mtex->colreflfac= (neg & MAP_REFLECTION_COL)? -colfac: colfac;
+			mtex->coltransfac= (neg & MAP_TRANSMISSION_COL)? -colfac: colfac;
+			mtex->densfac= (neg & MAP_DENSITY)? -varfac: varfac;
+			mtex->scatterfac= (neg & MAP_SCATTERING)? -varfac: varfac;
+			mtex->reflfac= (neg & MAP_REFLECTION)? -varfac: varfac;
+
+			mtex->timefac= (neg & MAP_PA_TIME)? -varfac: varfac;
+			mtex->lengthfac= (neg & MAP_PA_LENGTH)? -varfac: varfac;
+			mtex->clumpfac= (neg & MAP_PA_CLUMP)? -varfac: varfac;
+			mtex->kinkfac= (neg & MAP_PA_KINK)? -varfac: varfac;
+			mtex->roughfac= (neg & MAP_PA_ROUGH)? -varfac: varfac;
+			mtex->padensfac= (neg & MAP_PA_DENS)? -varfac: varfac;
+			mtex->lifefac= (neg & MAP_PA_LIFE)? -varfac: varfac;
+			mtex->sizefac= (neg & MAP_PA_SIZE)? -varfac: varfac;
+			mtex->ivelfac= (neg & MAP_PA_IVEL)? -varfac: varfac;
+
+			mtex->shadowfac= (neg & LAMAP_SHAD)? -colfac: colfac;
+
+			mtex->zenupfac= (neg & WOMAP_ZENUP)? -colfac: colfac;
+			mtex->zendownfac= (neg & WOMAP_ZENDOWN)? -colfac: colfac;
+			mtex->blendfac= (neg & WOMAP_BLEND)? -varfac: varfac;
+
+			if (idtype == ID_MA)
+				mtex->colfac= (neg & MAP_COL)? -colfac: colfac;
+			else if (idtype == ID_LA)
+				mtex->colfac= (neg & LAMAP_COL)? -colfac: colfac;
+			else if (idtype == ID_WO)
+				mtex->colfac= (neg & WOMAP_HORIZ)? -colfac: colfac;
+		}
+	}
+}
+
+static void do_version_mdef_250(Main *main)
+{
+	Object *ob;
+	ModifierData *md;
+	MeshDeformModifierData *mmd;
+
+	for (ob= main->object.first; ob; ob=ob->id.next) {
+		for (md=ob->modifiers.first; md; md=md->next) {
+			if (md->type == eModifierType_MeshDeform) {
+				mmd= (MeshDeformModifierData*)md;
+
+				if (mmd->bindcos) {
+					/* make bindcos NULL in order to trick older versions
+					 * into thinking that the mesh was not bound yet */
+					mmd->bindcagecos= mmd->bindcos;
+					mmd->bindcos= NULL;
+
+					modifier_mdef_compact_influences(md);
+				}
+			}
+		}
+	}
+}
+
+static void do_version_constraints_radians_degrees_250(ListBase *lb)
+{
+	bConstraint *con;
+
+	for	(con=lb->first; con; con=con->next) {
+		if (con->type==CONSTRAINT_TYPE_RIGIDBODYJOINT) {
+			bRigidBodyJointConstraint *data = con->data;
+			data->axX *= (float)(M_PI/180.0);
+			data->axY *= (float)(M_PI/180.0);
+			data->axZ *= (float)(M_PI/180.0);
+		}
+		else if (con->type==CONSTRAINT_TYPE_KINEMATIC) {
+			bKinematicConstraint *data = con->data;
+			data->poleangle *= (float)(M_PI/180.0);
+		}
+		else if (con->type==CONSTRAINT_TYPE_ROTLIMIT) {
+			bRotLimitConstraint *data = con->data;
+
+			data->xmin *= (float)(M_PI/180.0);
+			data->xmax *= (float)(M_PI/180.0);
+			data->ymin *= (float)(M_PI/180.0);
+			data->ymax *= (float)(M_PI/180.0);
+			data->zmin *= (float)(M_PI/180.0);
+			data->zmax *= (float)(M_PI/180.0);
+		}
+	}
+}
+
+/* NOTE: this version patch is intended for versions < 2.52.2, but was initially introduced in 2.27 already */
+static void do_versions_seq_unique_name_all_strips(
+	Scene * sce, ListBase *seqbasep)
+{
+	Sequence * seq = seqbasep->first;
+
+	while (seq) {
+		seqbase_unique_name_recursive(&sce->ed->seqbase, seq);
+		if (seq->seqbase.first) {
+			do_versions_seq_unique_name_all_strips(
+				sce, &seq->seqbase);
+		}
+		seq=seq->next;
+	}
+}
+
+static void do_version_bone_roll_256(Bone *bone)
+{
+	Bone *child;
+	float submat[3][3];
+	
+	copy_m3_m4(submat, bone->arm_mat);
+	mat3_to_vec_roll(submat, NULL, &bone->arm_roll);
+	
+	for (child = bone->childbase.first; child; child = child->next)
+		do_version_bone_roll_256(child);
+}
+
+static void do_versions_nodetree_dynamic_sockets(bNodeTree *ntree)
+{
+	bNodeSocket *sock;
+	for (sock=ntree->inputs.first; sock; sock=sock->next)
+		sock->flag |= SOCK_DYNAMIC;
+	for (sock=ntree->outputs.first; sock; sock=sock->next)
+		sock->flag |= SOCK_DYNAMIC;
+}
+
+void blo_do_versions_250(FileData *fd, Library *lib, Main *main)
+{
+	/* WATCH IT!!!: pointers from libdata have not been converted */
+
+	if (G.debug & G_DEBUG)
+		printf("read file %s\n  Version %d sub %d svn r%d\n", fd->relabase, main->versionfile, main->subversionfile, main->revision);
+
+	if (main->versionfile < 250) {
+		bScreen *screen;
+		Scene *scene;
+		Base *base;
+		Material *ma;
+		Camera *cam;
+		Mesh *me;
+		Curve *cu;
+		Scene *sce;
+		Tex *tx;
+		ParticleSettings *part;
+		Object *ob;
+		//PTCacheID *pid;
+		//ListBase pidlist;
+
+		bSound *sound;
+		Sequence *seq;
+		bActuator *act;
+		int a;
+
+		for (sound = main->sound.first; sound; sound = sound->id.next) {
+			if (sound->newpackedfile) {
+				sound->packedfile = sound->newpackedfile;
+				sound->newpackedfile = NULL;
+			}
+		}
+
+		for (ob = main->object.first; ob; ob= ob->id.next) {
+			for (act= ob->actuators.first; act; act= act->next) {
+				if (act->type == ACT_SOUND) {
+					bSoundActuator *sAct = (bSoundActuator*) act->data;
+					if (sAct->sound) {
+						sound = blo_do_versions_newlibadr(fd, lib, sAct->sound);
+						sAct->flag = sound->flags & SOUND_FLAGS_3D ? ACT_SND_3D_SOUND : 0;
+						sAct->pitch = sound->pitch;
+						sAct->volume = sound->volume;
+						sAct->sound3D.reference_distance = sound->distance;
+						sAct->sound3D.max_gain = sound->max_gain;
+						sAct->sound3D.min_gain = sound->min_gain;
+						sAct->sound3D.rolloff_factor = sound->attenuation;
+					}
+					else {
+						sAct->sound3D.reference_distance = 1.0f;
+						sAct->volume = 1.0f;
+						sAct->sound3D.max_gain = 1.0f;
+						sAct->sound3D.rolloff_factor = 1.0f;
+					}
+					sAct->sound3D.cone_inner_angle = 360.0f;
+					sAct->sound3D.cone_outer_angle = 360.0f;
+					sAct->sound3D.max_distance = FLT_MAX;
+				}
+			}
+		}
+
+		for (scene = main->scene.first; scene; scene = scene->id.next) {
+			if (scene->ed && scene->ed->seqbasep) {
+				SEQ_BEGIN (scene->ed, seq)
+				{
+					if (seq->type == SEQ_HD_SOUND) {
+						char str[FILE_MAX];
+						BLI_join_dirfile(str, sizeof(str), seq->strip->dir, seq->strip->stripdata->name);
+						BLI_path_abs(str, main->name);
+						seq->sound = sound_new_file(main, str);
+					}
+					/* don't know, if anybody used that
+					 * this way, but just in case, upgrade
+					 * to new way... */
+					if ((seq->flag & SEQ_USE_PROXY_CUSTOM_FILE) &&
+					   !(seq->flag & SEQ_USE_PROXY_CUSTOM_DIR))
+					{
+						
+						BLI_snprintf(seq->strip->proxy->dir, 
+							 FILE_MAXDIR, "%s/BL_proxy", 
+							 seq->strip->dir);
+					}
+				}
+				SEQ_END
+			}
+		}
+
+		for (screen= main->screen.first; screen; screen= screen->id.next) {
+			do_versions_windowmanager_2_50(screen);
+			do_versions_gpencil_2_50(main, screen);
+		}
+		
+		/* shader, composite and texture node trees have id.name empty, put something in
+		 * to have them show in RNA viewer and accessible otherwise.
+		 */
+		for (ma= main->mat.first; ma; ma= ma->id.next) {
+			if (ma->nodetree && ma->nodetree->id.name[0] == '\0')
+				strcpy(ma->nodetree->id.name, "NTShader Nodetree");
+			
+			/* which_output 0 is now "not specified" */
+			for (a=0; a<MAX_MTEX; a++) {
+				if (ma->mtex[a]) {
+					tx= blo_do_versions_newlibadr(fd, lib, ma->mtex[a]->tex);
+					if (tx && tx->use_nodes)
+						ma->mtex[a]->which_output++;
+				}
+			}
+		}
+		/* and composite trees */
+		for (sce= main->scene.first; sce; sce= sce->id.next) {
+			if (sce->nodetree && sce->nodetree->id.name[0] == '\0')
+				strcpy(sce->nodetree->id.name, "NTCompositing Nodetree");
+
+			/* move to cameras */
+			if (sce->r.mode & R_PANORAMA) {
+				for (base=sce->base.first; base; base=base->next) {
+					ob= blo_do_versions_newlibadr(fd, lib, base->object);
+
+					if (ob->type == OB_CAMERA && !ob->id.lib) {
+						cam= blo_do_versions_newlibadr(fd, lib, ob->data);
+						cam->flag |= CAM_PANORAMA;
+					}
+				}
+
+				sce->r.mode &= ~R_PANORAMA;
+			}
+		}
+		/* and texture trees */
+		for (tx= main->tex.first; tx; tx= tx->id.next) {
+			bNode *node;
+
+			if (tx->nodetree) {
+				if (tx->nodetree->id.name[0] == '\0')
+					strcpy(tx->nodetree->id.name, "NTTexture Nodetree");
+
+				/* which_output 0 is now "not specified" */
+				for (node=tx->nodetree->nodes.first; node; node=node->next)
+					if (node->type == TEX_NODE_OUTPUT)
+						node->custom1++;
+			}
+		}
+		
+		/* copy standard draw flag to meshes(used to be global, is not available here) */
+		for (me= main->mesh.first; me; me= me->id.next) {
+			me->drawflag= ME_DRAWEDGES|ME_DRAWFACES|ME_DRAWCREASES;
+		}
+
+		/* particle draw and render types */
+		for (part= main->particle.first; part; part= part->id.next) {
+			if (part->draw_as) {
+				if (part->draw_as == PART_DRAW_DOT) {
+					part->ren_as = PART_DRAW_HALO;
+					part->draw_as = PART_DRAW_REND;
+				}
+				else if (part->draw_as <= PART_DRAW_AXIS) {
+					part->ren_as = PART_DRAW_HALO;
+				}
+				else {
+					part->ren_as = part->draw_as;
+					part->draw_as = PART_DRAW_REND;
+				}
+			}
+			part->path_end = 1.0f;
+			part->clength = 1.0f;
+		}
+		/* set old pointcaches to have disk cache flag */
+		for (ob = main->object.first; ob; ob= ob->id.next) {
+
+			//BKE_ptcache_ids_from_object(&pidlist, ob);
+
+			//for (pid=pidlist.first; pid; pid=pid->next)
+			//	pid->cache->flag |= PTCACHE_DISK_CACHE;
+
+			//BLI_freelistN(&pidlist);
+		}
+
+		/* type was a mixed flag & enum. move the 2d flag elsewhere */
+		for (cu = main->curve.first; cu; cu= cu->id.next) {
+			Nurb *nu;
+
+			for (nu= cu->nurb.first; nu; nu= nu->next) {
+				nu->flag |= (nu->type & CU_2D);
+				nu->type &= CU_TYPE;
+			}
+		}
+	}
+
+	if (main->versionfile < 250 || (main->versionfile == 250 && main->subversionfile < 1)) {
+		Object *ob;
+		Material *ma;
+		Tex *tex;
+		Scene *sce;
+		ToolSettings *ts;
+		//PTCacheID *pid;
+		//ListBase pidlist;
+
+		for (ob = main->object.first; ob; ob = ob->id.next) {
+			//BKE_ptcache_ids_from_object(&pidlist, ob);
+
+			//for (pid=pidlist.first; pid; pid=pid->next) {
+			//	if (pid->ptcaches->first == NULL)
+			//		pid->ptcaches->first = pid->ptcaches->last = pid->cache;
+			//}
+
+			//BLI_freelistN(&pidlist);
+
+			if (ob->type == OB_MESH) {
+				Mesh *me = blo_do_versions_newlibadr(fd, lib, ob->data);
+				void *olddata = ob->data;
+				ob->data = me;
+
+				/* XXX - library meshes crash on loading most yoFrankie levels,
+				 * the multires pointer gets invalid -  Campbell */
+				if (me && me->id.lib==NULL && me->mr && me->mr->level_count > 1) {
+					multires_load_old(ob, me);
+				}
+
+				ob->data = olddata;
+			}
+
+			if (ob->totcol && ob->matbits == NULL) {
+				int a;
+
+				ob->matbits= MEM_callocN(sizeof(char)*ob->totcol, "ob->matbits");
+				for (a=0; a<ob->totcol; a++)
+					ob->matbits[a]= ob->colbits & (1<<a);
+			}
+		}
+
+		/* texture filter */
+		for (tex = main->tex.first; tex; tex = tex->id.next) {
+			if (tex->afmax == 0)
+				tex->afmax= 8;
+		}
+
+		for (ma = main->mat.first; ma; ma = ma->id.next) {
+			int a;
+			if (ma->mode & MA_WIRE) {
+				ma->material_type= MA_TYPE_WIRE;
+				ma->mode &= ~MA_WIRE;
+			}
+			if (ma->mode & MA_HALO) {
+				ma->material_type= MA_TYPE_HALO;
+				ma->mode &= ~MA_HALO;
+			}
+
+			if (ma->mode & (MA_ZTRANSP|MA_RAYTRANSP)) {
+				ma->mode |= MA_TRANSP;
+			}
+			else {
+				/* ma->mode |= MA_ZTRANSP; */ /* leave ztransp as is even if its not used [#28113] */
+				ma->mode &= ~MA_TRANSP;
+			}
+
+			/* set new bump for unused slots */
+			for (a=0; a<MAX_MTEX; a++) {
+				if (ma->mtex[a]) {
+					tex= ma->mtex[a]->tex;
+					if (!tex) {
+						ma->mtex[a]->texflag |= MTEX_3TAP_BUMP;
+						ma->mtex[a]->texflag |= MTEX_BUMP_OBJECTSPACE;
+					}
+					else {
+						tex= (Tex*)blo_do_versions_newlibadr(fd, ma->id.lib, tex);
+						if (tex && tex->type == 0) { /* invalid type */
+							ma->mtex[a]->texflag |= MTEX_3TAP_BUMP;
+							ma->mtex[a]->texflag |= MTEX_BUMP_OBJECTSPACE;
+						}
+					}
+				}
+			}
+			
+			/* volume rendering settings */
+			if (ma->vol.stepsize < 0.0001f) {
+				ma->vol.density = 1.0f;
+				ma->vol.emission = 0.0f;
+				ma->vol.scattering = 1.0f;
+				ma->vol.emission_col[0] = ma->vol.emission_col[1] = ma->vol.emission_col[2] = 1.0f;
+				ma->vol.density_scale = 1.0f;
+				ma->vol.depth_cutoff = 0.01f;
+				ma->vol.stepsize_type = MA_VOL_STEP_RANDOMIZED;
+				ma->vol.stepsize = 0.2f;
+				ma->vol.shade_type = MA_VOL_SHADE_SHADED;
+				ma->vol.shadeflag |= MA_VOL_PRECACHESHADING;
+				ma->vol.precache_resolution = 50;
+			}
+		}
+
+		for (sce = main->scene.first; sce; sce = sce->id.next) {
+			ts= sce->toolsettings;
+			if (ts->normalsize == 0.0f || !ts->uv_selectmode || ts->vgroup_weight == 0.0f) {
+				ts->normalsize= 0.1f;
+				ts->selectmode= SCE_SELECT_VERTEX;
+				
+				/* autokeying - setting should be taken from the user-prefs
+				 * but the userprefs version may not have correct flags set 
+				 * (i.e. will result in blank box when enabled)
+				 */
+				ts->autokey_mode= U.autokey_mode;
+				if (ts->autokey_mode == 0) 
+					ts->autokey_mode= 2; /* 'add/replace' but not on */
+				ts->uv_selectmode= UV_SELECT_VERTEX;
+				ts->vgroup_weight= 1.0f;
+			}
+
+			/* Game Settings */
+			//Dome
+			sce->gm.dome.angle = sce->r.domeangle;
+			sce->gm.dome.mode = sce->r.domemode;
+			sce->gm.dome.res = sce->r.domeres;
+			sce->gm.dome.resbuf = sce->r.domeresbuf;
+			sce->gm.dome.tilt = sce->r.dometilt;
+			sce->gm.dome.warptext = sce->r.dometext;
+
+			//Stand Alone
+			sce->gm.playerflag |= (sce->r.fullscreen?GAME_PLAYER_FULLSCREEN:0);
+			sce->gm.xplay = sce->r.xplay;
+			sce->gm.yplay = sce->r.yplay;
+			sce->gm.freqplay = sce->r.freqplay;
+			sce->gm.depth = sce->r.depth;
+			sce->gm.attrib = sce->r.attrib;
+
+			//Stereo
+			sce->gm.stereomode = sce->r.stereomode;
+			/* reassigning stereomode NO_STEREO and DOME to a separeted flag*/
+			if (sce->gm.stereomode == 1) { //1 = STEREO_NOSTEREO
+				sce->gm.stereoflag = STEREO_NOSTEREO;
+				sce->gm.stereomode = STEREO_ANAGLYPH;
+			}
+			else if (sce->gm.stereomode == 8) { //8 = STEREO_DOME
+				sce->gm.stereoflag = STEREO_DOME;
+				sce->gm.stereomode = STEREO_ANAGLYPH;
+			}
+			else
+				sce->gm.stereoflag = STEREO_ENABLED;
+
+			//Framing
+			sce->gm.framing = sce->framing;
+			sce->gm.xplay = sce->r.xplay;
+			sce->gm.yplay = sce->r.yplay;
+			sce->gm.freqplay= sce->r.freqplay;
+			sce->gm.depth= sce->r.depth;
+
+			//Physic (previously stored in world)
+			sce->gm.gravity =9.8f;
+			sce->gm.physicsEngine= WOPHY_BULLET;// Bullet by default
+			sce->gm.mode = WO_DBVT_CULLING;	// DBVT culling by default
+			sce->gm.occlusionRes = 128;
+			sce->gm.ticrate = 60;
+			sce->gm.maxlogicstep = 5;
+			sce->gm.physubstep = 1;
+			sce->gm.maxphystep = 5;
+		}
+	}
+
+	if (main->versionfile < 250 || (main->versionfile == 250 && main->subversionfile < 2)) {
+		Scene *sce;
+		Object *ob;
+
+		for (sce = main->scene.first; sce; sce = sce->id.next) {
+			if (fd->fileflags & G_FILE_ENABLE_ALL_FRAMES)
+				sce->gm.flag |= GAME_ENABLE_ALL_FRAMES;
+			if (fd->fileflags & G_FILE_SHOW_DEBUG_PROPS)
+				sce->gm.flag |= GAME_SHOW_DEBUG_PROPS;
+			if (fd->fileflags & G_FILE_SHOW_FRAMERATE)
+				sce->gm.flag |= GAME_SHOW_FRAMERATE;
+			if (fd->fileflags & G_FILE_SHOW_PHYSICS)
+				sce->gm.flag |= GAME_SHOW_PHYSICS;
+			if (fd->fileflags & G_FILE_GLSL_NO_SHADOWS)
+				sce->gm.flag |= GAME_GLSL_NO_SHADOWS;
+			if (fd->fileflags & G_FILE_GLSL_NO_SHADERS)
+				sce->gm.flag |= GAME_GLSL_NO_SHADERS;
+			if (fd->fileflags & G_FILE_GLSL_NO_RAMPS)
+				sce->gm.flag |= GAME_GLSL_NO_RAMPS;
+			if (fd->fileflags & G_FILE_GLSL_NO_NODES)
+				sce->gm.flag |= GAME_GLSL_NO_NODES;
+			if (fd->fileflags & G_FILE_GLSL_NO_EXTRA_TEX)
+				sce->gm.flag |= GAME_GLSL_NO_EXTRA_TEX;
+			if (fd->fileflags & G_FILE_IGNORE_DEPRECATION_WARNINGS)
+				sce->gm.flag |= GAME_IGNORE_DEPRECATION_WARNINGS;
+
+			if (fd->fileflags & G_FILE_GAME_MAT_GLSL)
+				sce->gm.matmode= GAME_MAT_GLSL;
+			else if (fd->fileflags & G_FILE_GAME_MAT)
+				sce->gm.matmode= GAME_MAT_MULTITEX;
+			else
+				sce->gm.matmode= GAME_MAT_TEXFACE;
+
+			sce->gm.flag |= GAME_DISPLAY_LISTS;
+		}
+		
+		for (ob = main->object.first; ob; ob = ob->id.next) {
+			if (ob->flag & 8192) // OB_POSEMODE = 8192
+				ob->mode |= OB_MODE_POSE;
+		}
+	}
+
+	if (main->versionfile < 250 || (main->versionfile == 250 && main->subversionfile < 4)) {
+		Scene *sce;
+		Object *ob;
+		Material *ma;
+		Lamp *la;
+		World *wo;
+		Tex *tex;
+		ParticleSettings *part;
+		int do_gravity = 0;
+
+		for (sce = main->scene.first; sce; sce = sce->id.next)
+			if (sce->unit.scale_length == 0.0f)
+				sce->unit.scale_length= 1.0f;
+		
+		for (ob = main->object.first; ob; ob = ob->id.next) {
+			/* fluid-sim stuff */
+			FluidsimModifierData *fluidmd = (FluidsimModifierData *)modifiers_findByType(ob, eModifierType_Fluidsim);
+			if (fluidmd) fluidmd->fss->fmd = fluidmd;
+			
+			/* rotation modes were added, but old objects would now default to being 'quaternion based' */
+			ob->rotmode= ROT_MODE_EUL;
+		}
+		
+		for (ma = main->mat.first; ma; ma=ma->id.next) {
+			if (ma->vol.reflection == 0.f) {
+				ma->vol.reflection = 1.f;
+				ma->vol.transmission_col[0] = ma->vol.transmission_col[1] = ma->vol.transmission_col[2] = 1.0f;
+				ma->vol.reflection_col[0] = ma->vol.reflection_col[1] = ma->vol.reflection_col[2] = 1.0f;
+			}
+
+			do_version_mtex_factor_2_50(ma->mtex, ID_MA);
+		}
+
+		for (la = main->lamp.first; la; la=la->id.next)
+			do_version_mtex_factor_2_50(la->mtex, ID_LA);
+
+		for (wo = main->world.first; wo; wo=wo->id.next)
+			do_version_mtex_factor_2_50(wo->mtex, ID_WO);
+
+		for (tex = main->tex.first; tex; tex=tex->id.next)
+			if (tex->vd)
+				if (tex->vd->extend == 0)
+					tex->vd->extend = TEX_CLIP;
+		
+		for (sce= main->scene.first; sce; sce= sce->id.next) {
+			if (sce->audio.main == 0.0f)
+				sce->audio.main = 1.0f;
+
+			sce->r.ffcodecdata.audio_mixrate = sce->audio.mixrate;
+			sce->r.ffcodecdata.audio_volume = sce->audio.main;
+			sce->audio.distance_model = 2;
+			sce->audio.doppler_factor = 1.0f;
+			sce->audio.speed_of_sound = 343.3f;
+		}
+
+		/* Add default gravity to scenes */
+		for (sce= main->scene.first; sce; sce= sce->id.next) {
+			if ((sce->physics_settings.flag & PHYS_GLOBAL_GRAVITY) == 0 &&
+			    len_v3(sce->physics_settings.gravity) == 0.0f)
+			{
+				sce->physics_settings.gravity[0] = sce->physics_settings.gravity[1] = 0.0f;
+				sce->physics_settings.gravity[2] = -9.81f;
+				sce->physics_settings.flag = PHYS_GLOBAL_GRAVITY;
+				do_gravity = 1;
+			}
+		}
+
+		/* Assign proper global gravity weights for dynamics (only z-coordinate is taken into account) */
+		if (do_gravity) for (part= main->particle.first; part; part= part->id.next)
+			part->effector_weights->global_gravity = part->acc[2]/-9.81f;
+
+		for (ob = main->object.first; ob; ob = ob->id.next) {
+			ModifierData *md;
+
+			if (do_gravity) {
+				for (md= ob->modifiers.first; md; md= md->next) {
+					ClothModifierData *clmd = (ClothModifierData *)modifiers_findByType(ob, eModifierType_Cloth);
+					if (clmd)
+						clmd->sim_parms->effector_weights->global_gravity = clmd->sim_parms->gravity[2]/-9.81f;
+				}
+
+				if (ob->soft)
+					ob->soft->effector_weights->global_gravity = ob->soft->grav/9.81f;
+			}
+
+			/* Normal wind shape is plane */
+			if (ob->pd) {
+				if (ob->pd->forcefield == PFIELD_WIND)
+					ob->pd->shape = PFIELD_SHAPE_PLANE;
+				
+				if (ob->pd->flag & PFIELD_PLANAR)
+					ob->pd->shape = PFIELD_SHAPE_PLANE;
+				else if (ob->pd->flag & PFIELD_SURFACE)
+					ob->pd->shape = PFIELD_SHAPE_SURFACE;
+
+				ob->pd->flag |= PFIELD_DO_LOCATION;
+			}
+		}
+	}
+
+	if (main->versionfile < 250 || (main->versionfile == 250 && main->subversionfile < 6)) {
+		Object *ob;
+		Lamp *la;
+		
+		/* New variables for axis-angle rotations and/or quaternion rotations were added, and need proper initialization */
+		for (ob= main->object.first; ob; ob= ob->id.next) {
+			/* new variables for all objects */
+			ob->quat[0]= 1.0f;
+			ob->rotAxis[1]= 1.0f;
+			
+			/* bones */
+			if (ob->pose) {
+				bPoseChannel *pchan;
+				
+				for (pchan= ob->pose->chanbase.first; pchan; pchan= pchan->next) {
+					/* just need to initalise rotation axis properly... */
+					pchan->rotAxis[1]= 1.0f;
+				}
+			}
+		}
+
+		for (la = main->lamp.first; la; la=la->id.next)
+			la->compressthresh= 0.05f;
+	}
+
+	if (main->versionfile < 250 || (main->versionfile == 250 && main->subversionfile < 7)) {
+		Mesh *me;
+		Nurb *nu;
+		Lattice *lt;
+		Curve *cu;
+		Key *key;
+		float *data;
+		int a, tot;
+
+		/* shape keys are no longer applied to the mesh itself, but rather
+		 * to the derivedmesh/displist, so here we ensure that the basis
+		 * shape key is always set in the mesh coordinates. */
+
+		for (me= main->mesh.first; me; me= me->id.next) {
+			if ((key = blo_do_versions_newlibadr(fd, lib, me->key)) && key->refkey) {
+				data= key->refkey->data;
+				tot= MIN2(me->totvert, key->refkey->totelem);
+
+				for (a=0; a<tot; a++, data+=3)
+					copy_v3_v3(me->mvert[a].co, data);
+			}
+		}
+
+		for (lt= main->latt.first; lt; lt= lt->id.next) {
+			if ((key = blo_do_versions_newlibadr(fd, lib, lt->key)) && key->refkey) {
+				data= key->refkey->data;
+				tot= MIN2(lt->pntsu*lt->pntsv*lt->pntsw, key->refkey->totelem);
+
+				for (a=0; a<tot; a++, data+=3)
+					copy_v3_v3(lt->def[a].vec, data);
+			}
+		}
+
+		for (cu= main->curve.first; cu; cu= cu->id.next) {
+			if ((key = blo_do_versions_newlibadr(fd, lib, cu->key)) && key->refkey) {
+				data= key->refkey->data;
+
+				for (nu=cu->nurb.first; nu; nu=nu->next) {
+					if (nu->bezt) {
+						BezTriple *bezt = nu->bezt;
+
+						for (a=0; a<nu->pntsu; a++, bezt++) {
+							copy_v3_v3(bezt->vec[0], data); data+=3;
+							copy_v3_v3(bezt->vec[1], data); data+=3;
+							copy_v3_v3(bezt->vec[2], data); data+=3;
+							bezt->alfa= *data; data++;
+						}
+					}
+					else if (nu->bp) {
+						BPoint *bp = nu->bp;
+
+						for (a=0; a<nu->pntsu*nu->pntsv; a++, bp++) {
+							copy_v3_v3(bp->vec, data); data+=3;
+							bp->alfa= *data; data++;
+						}
+					}
+				}
+			}
+		}
+	}
+
+	if (main->versionfile < 250 || (main->versionfile == 250 && main->subversionfile < 8)) {
+		{
+			Scene *sce= main->scene.first;
+			while (sce) {
+				if (sce->r.frame_step==0)
+					sce->r.frame_step= 1;
+				if (sce->r.mblur_samples==0)
+					sce->r.mblur_samples = sce->r.osa;
+				
+				if (sce->ed && sce->ed->seqbase.first) {
+					do_versions_seq_unique_name_all_strips(
+						sce, &sce->ed->seqbase);
+				}
+			
+				sce= sce->id.next;
+			}
+		}
+		{
+			/* ensure all nodes have unique names */
+			bNodeTree *ntree= main->nodetree.first;
+			while (ntree) {
+				bNode *node=ntree->nodes.first;
+				
+				while (node) {
+					nodeUniqueName(ntree, node);
+					node= node->next;
+				}
+				
+				ntree= ntree->id.next;
+			}
+		}
+		{
+			Object *ob=main->object.first;
+			while (ob) {
+				/* shaded mode disabled for now */
+				if (ob->dt == OB_MATERIAL) ob->dt = OB_TEXTURE;
+				ob=ob->id.next;
+			}
+		}
+		
+		{
+			bScreen *screen;
+			ScrArea *sa;
+			SpaceLink *sl;
+			
+			for (screen= main->screen.first; screen; screen= screen->id.next) {
+				for (sa= screen->areabase.first; sa; sa= sa->next) {
+					for (sl= sa->spacedata.first; sl; sl= sl->next) {
+						if (sl->spacetype==SPACE_VIEW3D) {
+							View3D *v3d = (View3D *)sl;
+							if (v3d->drawtype == OB_MATERIAL) v3d->drawtype = OB_SOLID;
+						}
+					}
+				}
+			}
+		}
+		
+		/* only convert old 2.50 files with color management */
+		if (main->versionfile == 250) {
+			Scene *sce=main->scene.first;
+			Material *ma=main->mat.first;
+			World *wo=main->world.first;
+			Tex *tex=main->tex.first;
+			int i, convert=0;
+			
+			/* convert to new color management system:
+			 * while previously colors were stored as srgb,
+			 * now they are stored as linear internally,
+			 * with screen gamma correction in certain places in the UI. */
+
+			/* don't know what scene is active, so we'll convert if any scene has it enabled... */
+			while (sce) {
+				if (sce->r.color_mgt_flag & R_COLOR_MANAGEMENT)
+					convert=1;
+				sce=sce->id.next;
+			}
+			
+			if (convert) {
+				while (ma) {
+					if (ma->ramp_col) {
+						ColorBand *band = (ColorBand *)ma->ramp_col;
+						for (i=0; i<band->tot; i++) {
+							CBData *data = band->data + i;
+							srgb_to_linearrgb_v3_v3(&data->r, &data->r);
+						}
+					}
+					if (ma->ramp_spec) {
+						ColorBand *band = (ColorBand *)ma->ramp_spec;
+						for (i=0; i<band->tot; i++) {
+							CBData *data = band->data + i;
+							srgb_to_linearrgb_v3_v3(&data->r, &data->r);
+						}
+					}
+					
+					srgb_to_linearrgb_v3_v3(&ma->r, &ma->r);
+					srgb_to_linearrgb_v3_v3(&ma->specr, &ma->specr);
+					srgb_to_linearrgb_v3_v3(&ma->mirr, &ma->mirr);
+					srgb_to_linearrgb_v3_v3(ma->sss_col, ma->sss_col);
+					ma=ma->id.next;
+				}
+				
+				while (tex) {
+					if (tex->coba) {
+						ColorBand *band = (ColorBand *)tex->coba;
+						for (i=0; i<band->tot; i++) {
+							CBData *data = band->data + i;
+							srgb_to_linearrgb_v3_v3(&data->r, &data->r);
+						}
+					}
+					tex=tex->id.next;
+				}
+				
+				while (wo) {
+					srgb_to_linearrgb_v3_v3(&wo->ambr, &wo->ambr);
+					srgb_to_linearrgb_v3_v3(&wo->horr, &wo->horr);
+					srgb_to_linearrgb_v3_v3(&wo->zenr, &wo->zenr);
+					wo=wo->id.next;
+				}
+			}
+		}
+	}
+	
+	if (main->versionfile < 250 || (main->versionfile == 250 && main->subversionfile < 9)) {
+		Scene *sce;
+		Mesh *me;
+		Object *ob;
+
+		for (sce=main->scene.first; sce; sce=sce->id.next)
+			if (!sce->toolsettings->particle.selectmode)
+				sce->toolsettings->particle.selectmode= SCE_SELECT_PATH;
+
+		if (main->versionfile == 250 && main->subversionfile > 1) {
+			for (me=main->mesh.first; me; me=me->id.next)
+				multires_load_old_250(me);
+
+			for (ob=main->object.first; ob; ob=ob->id.next) {
+				MultiresModifierData *mmd = (MultiresModifierData *)modifiers_findByType(ob, eModifierType_Multires);
+
+				if (mmd) {
+					mmd->totlvl--;
+					mmd->lvl--;
+					mmd->sculptlvl= mmd->lvl;
+					mmd->renderlvl= mmd->lvl;
+				}
+			}
+		}
+	}
+
+	if (main->versionfile < 250 || (main->versionfile == 250 && main->subversionfile < 10)) {
+		Object *ob;
+
+		/* properly initialize hair clothsim data on old files */
+		for (ob = main->object.first; ob; ob = ob->id.next) {
+			ModifierData *md;
+			for (md= ob->modifiers.first; md; md= md->next) {
+				if (md->type == eModifierType_Cloth) {
+					ClothModifierData *clmd = (ClothModifierData *)md;
+					if (clmd->sim_parms->velocity_smooth < 0.01f)
+						clmd->sim_parms->velocity_smooth = 0.f;
+				}
+			}
+		}
+	}
+
+	/* fix bad area setup in subversion 10 */
+	if (main->versionfile == 250 && main->subversionfile == 10) {
+		/* fix for new view type in sequencer */
+		bScreen *screen;
+		ScrArea *sa;
+		SpaceLink *sl;
+
+
+		/* remove all preview window in wrong spaces */
+		for (screen= main->screen.first; screen; screen= screen->id.next) {
+			for (sa= screen->areabase.first; sa; sa= sa->next) {
+				for (sl= sa->spacedata.first; sl; sl= sl->next) {
+					if (sl->spacetype!=SPACE_SEQ) {
+						ARegion *ar;
+						ListBase *regionbase;
+
+						if (sl == sa->spacedata.first) {
+							regionbase = &sa->regionbase;
+						}
+						else {
+							regionbase = &sl->regionbase;
+						}
+
+
+						for ( ar = regionbase->first; ar; ar = ar->next) {
+							if (ar->regiontype == RGN_TYPE_PREVIEW)
+								break;
+						}
+
+						if (ar && (ar->regiontype == RGN_TYPE_PREVIEW)) {
+							SpaceType *st= BKE_spacetype_from_id(SPACE_SEQ);
+							BKE_area_region_free(st, ar);
+							BLI_freelinkN(regionbase, ar);
+						}
+					}
+				}
+			}
+		}
+	}
+
+	if (main->versionfile < 250 || (main->versionfile == 250 && main->subversionfile < 11)) {
+		{
+			/* fix for new view type in sequencer */
+			bScreen *screen;
+			ScrArea *sa;
+			SpaceLink *sl;
+
+
+			for (screen= main->screen.first; screen; screen= screen->id.next) {
+				for (sa= screen->areabase.first; sa; sa= sa->next) {
+					for (sl= sa->spacedata.first; sl; sl= sl->next) {
+						if (sl->spacetype==SPACE_SEQ) {
+							ARegion *ar;
+							ARegion *ar_main;
+							ListBase *regionbase;
+							SpaceSeq *sseq = (SpaceSeq *)sl;
+
+							if (sl == sa->spacedata.first) {
+								regionbase = &sa->regionbase;
+							}
+							else {
+								regionbase = &sl->regionbase;
+							}
+
+							if (sseq->view == 0) sseq->view = SEQ_VIEW_SEQUENCE;
+							if (sseq->mainb == 0) sseq->mainb = SEQ_DRAW_IMG_IMBUF;
+
+							ar_main = (ARegion*)regionbase->first;
+							for (; ar_main; ar_main = ar_main->next) {
+								if (ar_main->regiontype == RGN_TYPE_WINDOW)
+									break;
+							}
+							ar= MEM_callocN(sizeof(ARegion), "preview area for sequencer");
+							BLI_insertlinkbefore(regionbase, ar_main, ar);
+							sequencer_init_preview_region(ar);
+						}
+					}
+				}
+			}
+		}
+	}
+
+	if (main->versionfile < 250 || (main->versionfile == 250 && main->subversionfile < 12)) {
+		Scene *sce;
+		Object *ob;
+		Brush *brush;
+		Material *ma;
+		
+		/* game engine changes */
+		for (sce = main->scene.first; sce; sce = sce->id.next) {
+			sce->gm.eyeseparation = 0.10f;
+		}
+		
+		/* anim viz changes */
+		for (ob= main->object.first; ob; ob= ob->id.next) {
+			/* initialize object defaults */
+			animviz_settings_init(&ob->avs);
+			
+			/* if armature, copy settings for pose from armature data 
+			 * performing initialization where appropriate
+			 */
+			if (ob->pose && ob->data) {
+				bArmature *arm= blo_do_versions_newlibadr(fd, lib, ob->data);
+				if (arm) { /* XXX - why does this fail in some cases? */
+					bAnimVizSettings *avs= &ob->pose->avs;
+					
+					/* ghosting settings ---------------- */
+						/* ranges */
+					avs->ghost_bc= avs->ghost_ac= arm->ghostep;
+					
+					avs->ghost_sf= arm->ghostsf;
+					avs->ghost_ef= arm->ghostef;
+					if ((avs->ghost_sf == avs->ghost_ef) && (avs->ghost_sf == 0)) {
+						avs->ghost_sf= 1;
+						avs->ghost_ef= 100;
+					}
+					
+						/* type */
+					if (arm->ghostep == 0)
+						avs->ghost_type= GHOST_TYPE_NONE;
+					else
+						avs->ghost_type= arm->ghosttype + 1;
+					
+						/* stepsize */
+					avs->ghost_step= arm->ghostsize;
+					if (avs->ghost_step == 0)
+						avs->ghost_step= 1;
+					
+					/* path settings --------------------- */
+						/* ranges */
+					avs->path_bc= arm->pathbc;
+					avs->path_ac= arm->pathac;
+					if ((avs->path_bc == avs->path_ac) && (avs->path_bc == 0))
+						avs->path_bc= avs->path_ac= 10;
+					
+					avs->path_sf= arm->pathsf;
+					avs->path_ef= arm->pathef;
+					if ((avs->path_sf == avs->path_ef) && (avs->path_sf == 0)) {
+						avs->path_sf= 1;
+						avs->path_ef= 250;
+					}
+					
+						/* flags */
+					if (arm->pathflag & ARM_PATH_FNUMS)
+						avs->path_viewflag |= MOTIONPATH_VIEW_FNUMS;
+					if (arm->pathflag & ARM_PATH_KFRAS)
+						avs->path_viewflag |= MOTIONPATH_VIEW_KFRAS;
+					if (arm->pathflag & ARM_PATH_KFNOS)
+						avs->path_viewflag |= MOTIONPATH_VIEW_KFNOS;
+					
+						/* bake flags */
+					if (arm->pathflag & ARM_PATH_HEADS)
+						avs->path_bakeflag |= MOTIONPATH_BAKE_HEADS;
+					
+						/* type */
+					if (arm->pathflag & ARM_PATH_ACFRA)
+						avs->path_type = MOTIONPATH_TYPE_ACFRA;
+					
+						/* stepsize */
+					avs->path_step= arm->pathsize;
+					if (avs->path_step == 0)
+						avs->path_step= 1;
+				}
+				else
+					animviz_settings_init(&ob->pose->avs);
+			}
+		}
+		
+		/* brush texture changes */
+		for (brush= main->brush.first; brush; brush= brush->id.next) {
+			default_mtex(&brush->mtex);
+		}
+
+		for (ma= main->mat.first; ma; ma= ma->id.next) {
+			if (ma->vol.ms_spread < 0.0001f) {
+				ma->vol.ms_spread = 0.2f;
+				ma->vol.ms_diff = 1.f;
+				ma->vol.ms_intensity = 1.f;	
+			}
+		}
+	}
+	
+	if (main->versionfile < 250 || (main->versionfile == 250 && main->subversionfile < 13)) {
+		/* NOTE: if you do more conversion, be sure to do it outside of this and
+		 * increase subversion again, otherwise it will not be correct */
+		Object *ob;
+		
+		/* convert degrees to radians for internal use */
+		for (ob=main->object.first; ob; ob=ob->id.next) {
+			bPoseChannel *pchan;
+
+			do_version_constraints_radians_degrees_250(&ob->constraints);
+
+			if (ob->pose) {
+				for (pchan=ob->pose->chanbase.first; pchan; pchan=pchan->next) {
+					pchan->limitmin[0] *= (float)(M_PI/180.0);
+					pchan->limitmin[1] *= (float)(M_PI/180.0);
+					pchan->limitmin[2] *= (float)(M_PI/180.0);
+					pchan->limitmax[0] *= (float)(M_PI/180.0);
+					pchan->limitmax[1] *= (float)(M_PI/180.0);
+					pchan->limitmax[2] *= (float)(M_PI/180.0);
+
+					do_version_constraints_radians_degrees_250(&pchan->constraints);
+				}
+			}
+		}
+	}
+	
+	if (main->versionfile < 250 || (main->versionfile == 250 && main->subversionfile < 14)) {
+		/* fix for bad View2D extents for Animation Editors */
+		bScreen *screen;
+		ScrArea *sa;
+		SpaceLink *sl;
+		
+		for (screen= main->screen.first; screen; screen= screen->id.next) {
+			for (sa= screen->areabase.first; sa; sa= sa->next) {
+				for (sl= sa->spacedata.first; sl; sl= sl->next) {
+					ListBase *regionbase;
+					ARegion *ar;
+					
+					if (sl == sa->spacedata.first)
+						regionbase = &sa->regionbase;
+					else
+						regionbase = &sl->regionbase;
+						
+					if (ELEM(sl->spacetype, SPACE_ACTION, SPACE_NLA)) {
+						for (ar = (ARegion*)regionbase->first; ar; ar = ar->next) {
+							if (ar->regiontype == RGN_TYPE_WINDOW) {
+								ar->v2d.cur.ymax = ar->v2d.tot.ymax = 0.0f;
+								ar->v2d.cur.ymin = ar->v2d.tot.ymin = (float)(-sa->winy) / 3.0f;
+							}
+						}
+					}
+				}
+			}
+		}
+	}
+	
+	if (main->versionfile < 250 || (main->versionfile == 250 && main->subversionfile < 15)) {
+		World *wo;
+		Material *ma;
+
+		/* ambient default from 0.5f to 1.0f */
+		for (ma= main->mat.first; ma; ma=ma->id.next)
+			ma->amb *= 2.0f;
+
+		for (wo= main->world.first; wo; wo=wo->id.next) {
+			/* ao splitting into ao/env/indirect */
+			wo->ao_env_energy= wo->aoenergy;
+			wo->aoenergy= 1.0f;
+
+			if (wo->ao_indirect_bounces == 0)
+				wo->ao_indirect_bounces= 1;
+			else
+				wo->mode |= WO_INDIRECT_LIGHT;
+
+			if (wo->aomix == WO_AOSUB)
+				wo->ao_env_energy= -wo->ao_env_energy;
+			else if (wo->aomix == WO_AOADDSUB)
+				wo->mode |= WO_AMB_OCC;
+
+			wo->aomix= WO_AOMUL;
+
+			/* ambient default from 0.5f to 1.0f */
+			mul_v3_fl(&wo->ambr, 0.5f);
+			wo->ao_env_energy *= 0.5f;
+		}
+	}
+	
+	if (main->versionfile < 250 || (main->versionfile == 250 && main->subversionfile < 17)) {
+		Scene *sce;
+		Sequence *seq;
+		Material *ma;
+
+		/* initialize to sane default so toggling on border shows something */
+		for (sce = main->scene.first; sce; sce = sce->id.next) {
+			if (sce->r.border.xmin == 0.0f && sce->r.border.ymin == 0.0f &&
+			   sce->r.border.xmax == 0.0f && sce->r.border.ymax == 0.0f) {
+				sce->r.border.xmin = 0.0f;
+				sce->r.border.ymin = 0.0f;
+				sce->r.border.xmax = 1.0f;
+				sce->r.border.ymax = 1.0f;
+			}
+
+			if ((sce->r.ffcodecdata.flags & FFMPEG_MULTIPLEX_AUDIO) == 0)
+				sce->r.ffcodecdata.audio_codec = 0x0; // CODEC_ID_NONE
+
+			SEQ_BEGIN (sce->ed, seq)
+			{
+				seq->volume = 1.0f;
+			}
+			SEQ_END
+		}
+
+		/* particle brush strength factor was changed from int to float */
+		for (sce= main->scene.first; sce; sce=sce->id.next) {
+			ParticleEditSettings *pset= &sce->toolsettings->particle;
+			int a;
+
+			for (a=0; a<PE_TOT_BRUSH; a++)
+				pset->brush[a].strength /= 100.0f;
+		}
+
+		for (ma = main->mat.first; ma; ma=ma->id.next)
+			if (ma->mode & MA_TRACEBLE)
+				ma->shade_flag |= MA_APPROX_OCCLUSION;
+
+		/* sequencer changes */
+		{
+			bScreen *screen;
+			ScrArea *sa;
+			SpaceLink *sl;
+
+			for (screen= main->screen.first; screen; screen= screen->id.next) {
+				for (sa= screen->areabase.first; sa; sa= sa->next) {
+					for (sl= sa->spacedata.first; sl; sl= sl->next) {
+						if (sl->spacetype==SPACE_SEQ) {
+							ARegion *ar_preview;
+							ListBase *regionbase;
+
+							if (sl == sa->spacedata.first) {
+								regionbase = &sa->regionbase;
+							}
+							else {
+								regionbase = &sl->regionbase;
+							}
+
+							ar_preview = (ARegion*)regionbase->first;
+							for (; ar_preview; ar_preview = ar_preview->next) {
+								if (ar_preview->regiontype == RGN_TYPE_PREVIEW)
+									break;
+							}
+							if (ar_preview && (ar_preview->regiontype == RGN_TYPE_PREVIEW)) {
+								sequencer_init_preview_region(ar_preview);
+							}
+						}
+					}
+				}
+			}
+		} /* sequencer changes */
+	}
+	
+	if (main->versionfile <= 251) {	/* 2.5.1 had no subversions */
+		bScreen *sc;
+		
+		/* Blender 2.5.2 - subversion 0 introduced a new setting: V3D_RENDER_OVERRIDE.
+		 * This bit was used in the past for V3D_TRANSFORM_SNAP, which is now deprecated. 
+		 * Here we clear it for old files so they don't come in with V3D_RENDER_OVERRIDE set,
+		 * which would cause cameras, lamps, etc to become invisible */
+		for (sc= main->screen.first; sc; sc= sc->id.next) {
+			ScrArea *sa;
+			for (sa= sc->areabase.first; sa; sa= sa->next) {
+				SpaceLink *sl;
+				for (sl= sa->spacedata.first; sl; sl= sl->next) {
+					if (sl->spacetype==SPACE_VIEW3D) {
+						View3D* v3d = (View3D *)sl;
+						v3d->flag2 &= ~V3D_RENDER_OVERRIDE;
+					}
+				}
+			}
+		}
+	}
+
+	if (main->versionfile < 252 || (main->versionfile == 252 && main->subversionfile < 1)) {
+		Brush *brush;
+		Object *ob;
+		Scene *scene;
+		bNodeTree *ntree;
+		
+		for (brush= main->brush.first; brush; brush= brush->id.next) {
+			if (brush->curve) brush->curve->preset = CURVE_PRESET_SMOOTH;
+		}
+		
+		/* properly initialize active flag for fluidsim modifiers */
+		for (ob = main->object.first; ob; ob = ob->id.next) {
+			ModifierData *md;
+			for (md= ob->modifiers.first; md; md= md->next) {
+				if (md->type == eModifierType_Fluidsim) {
+					FluidsimModifierData *fmd = (FluidsimModifierData *)md;
+					fmd->fss->flag |= OB_FLUIDSIM_ACTIVE; 
+					fmd->fss->flag |= OB_FLUIDSIM_OVERRIDE_TIME;
+				}
+			}
+		}
+		
+		/* adjustment to color balance node values */
+		for (scene= main->scene.first; scene; scene= scene->id.next) {
+			if (scene->nodetree) {
+				bNode *node=scene->nodetree->nodes.first;
+				
+				while (node) {
+					if (node->type == CMP_NODE_COLORBALANCE) {
+						NodeColorBalance *n= (NodeColorBalance *)node->storage;
+						n->lift[0] += 1.f;
+						n->lift[1] += 1.f;
+						n->lift[2] += 1.f;
+					}
+					node= node->next;
+				}
+			}
+		}
+		/* check inside node groups too */
+		for (ntree= main->nodetree.first; ntree; ntree=ntree->id.next) {
+			bNode *node=ntree->nodes.first;
+			
+			while (node) {
+				if (node->type == CMP_NODE_COLORBALANCE) {
+					NodeColorBalance *n= (NodeColorBalance *)node->storage;
+					n->lift[0] += 1.f;
+					n->lift[1] += 1.f;
+					n->lift[2] += 1.f;
+				}
+				node= node->next;
+			}
+		}
+	}
+	
+	/* old-track -> constraints (this time we're really doing it!) */
+	if (main->versionfile < 252 || (main->versionfile == 252 && main->subversionfile < 2)) {
+		Object *ob;
+		
+		for (ob = main->object.first; ob; ob = ob->id.next)
+			blo_do_version_old_trackto_to_constraints(ob);
+	}
+	
+	if (main->versionfile < 252 || (main->versionfile == 252 && main->subversionfile < 5)) {
+		bScreen *sc;
+		
+		/* Image editor scopes */
+		for (sc= main->screen.first; sc; sc= sc->id.next) {
+			ScrArea *sa;
+			for (sa= sc->areabase.first; sa; sa= sa->next) {
+				SpaceLink *sl;
+				for (sl= sa->spacedata.first; sl; sl= sl->next) {
+					if (sl->spacetype==SPACE_IMAGE) {
+						SpaceImage *sima = (SpaceImage *)sl;
+						scopes_new(&sima->scopes);
+					}
+				}
+			}
+		}
+	}
+	
+
+	if (main->versionfile < 253) {
+		Object *ob;
+		Scene *scene;
+		bScreen *sc;
+		Tex *tex;
+		Brush *brush;
+
+		for (sc= main->screen.first; sc; sc= sc->id.next) {
+			ScrArea *sa;
+			for (sa= sc->areabase.first; sa; sa= sa->next) {
+				SpaceLink *sl;
+				for (sl= sa->spacedata.first; sl; sl= sl->next) {
+					if (sl->spacetype == SPACE_NODE) {
+						SpaceNode *snode= (SpaceNode *)sl;
+						ListBase *regionbase;
+						ARegion *ar;
+
+						if (sl == sa->spacedata.first)
+							regionbase = &sa->regionbase;
+						else
+							regionbase = &sl->regionbase;
+
+						if (snode->v2d.minzoom > 0.09f)
+							snode->v2d.minzoom= 0.09f;
+						if (snode->v2d.maxzoom < 2.31f)
+							snode->v2d.maxzoom= 2.31f;
+
+						for (ar= regionbase->first; ar; ar= ar->next) {
+							if (ar->regiontype == RGN_TYPE_WINDOW) {
+								if (ar->v2d.minzoom > 0.09f)
+									ar->v2d.minzoom= 0.09f;
+								if (ar->v2d.maxzoom < 2.31f)
+									ar->v2d.maxzoom= 2.31f;
+							}
+						}
+					}
+					else if (sl->spacetype == SPACE_TIME) {
+						SpaceTime *stime= (SpaceTime *)sl;
+						
+						/* enable all cache display */
+						stime->cache_display |= TIME_CACHE_DISPLAY;
+						stime->cache_display |= (TIME_CACHE_SOFTBODY|TIME_CACHE_PARTICLES);
+						stime->cache_display |= (TIME_CACHE_CLOTH|TIME_CACHE_SMOKE|TIME_CACHE_DYNAMICPAINT);
+					}
+				}
+			}
+		}
+
+		do_version_mdef_250(main);
+
+		/* parent type to modifier */
+		for (ob = main->object.first; ob; ob = ob->id.next) {
+			if (ob->parent) {
+				Object *parent= (Object *)blo_do_versions_newlibadr(fd, lib, ob->parent);
+				if (parent) { /* parent may not be in group */
+					if (parent->type==OB_ARMATURE && ob->partype==PARSKEL) {
+						ArmatureModifierData *amd;
+						bArmature *arm= (bArmature *)blo_do_versions_newlibadr(fd, lib, parent->data);
+
+						amd = (ArmatureModifierData*) modifier_new(eModifierType_Armature);
+						amd->object = ob->parent;
+						BLI_addtail((ListBase*)&ob->modifiers, amd);
+						amd->deformflag= arm->deformflag;
+						ob->partype = PAROBJECT;
+					}
+					else if (parent->type==OB_LATTICE && ob->partype==PARSKEL) {
+						LatticeModifierData *lmd;
+
+						lmd = (LatticeModifierData*) modifier_new(eModifierType_Lattice);
+						lmd->object = ob->parent;
+						BLI_addtail((ListBase*)&ob->modifiers, lmd);
+						ob->partype = PAROBJECT;
+					}
+					else if (parent->type==OB_CURVE && ob->partype==PARCURVE) {
+						CurveModifierData *cmd;
+
+						cmd = (CurveModifierData*) modifier_new(eModifierType_Curve);
+						cmd->object = ob->parent;
+						BLI_addtail((ListBase*)&ob->modifiers, cmd);
+						ob->partype = PAROBJECT;
+					}
+				}
+			}
+		}
+		
+		/* initialize scene active layer */
+		for (scene= main->scene.first; scene; scene=scene->id.next) {
+			int i;
+			for (i=0; i<20; i++) {
+				if (scene->lay & (1<<i)) {
+					scene->layact= 1<<i;
+					break;
+				}
+			}
+		}
+
+		for (tex= main->tex.first; tex; tex= tex->id.next) {
+			/* if youre picky, this isn't correct until we do a version bump
+			 * since you could set saturation to be 0.0*/
+			if (tex->saturation==0.0f)
+				tex->saturation= 1.0f;
+		}
+
+		{
+			Curve *cu;
+			for (cu= main->curve.first; cu; cu= cu->id.next) {
+				cu->smallcaps_scale= 0.75f;
+			}
+		}
+
+		for (scene= main->scene.first; scene; scene=scene->id.next) {
+			if (scene) {
+				Sequence *seq;
+				SEQ_BEGIN (scene->ed, seq)
+				{
+					if (seq->sat==0.0f) {
+						seq->sat= 1.0f;
+					}
+				}
+				SEQ_END
+			}
+		}
+
+		/* GSOC 2010 Sculpt - New settings for Brush */
+
+		for (brush= main->brush.first; brush; brush= brush->id.next) {
+			/* Sanity Check */
+
+			// infinite number of dabs
+			if (brush->spacing == 0)
+				brush->spacing = 10;
+
+			// will have no effect
+			if (brush->alpha == 0)
+				brush->alpha = 0.5f;
+
+			// bad radius
+			if (brush->unprojected_radius == 0)
+				brush->unprojected_radius = 0.125f;
+
+			// unusable size
+			if (brush->size == 0)
+				brush->size = 35;
+
+			// can't see overlay
+			if (brush->texture_overlay_alpha == 0)
+				brush->texture_overlay_alpha = 33;
+
+			// same as draw brush
+			if (brush->crease_pinch_factor == 0)
+				brush->crease_pinch_factor = 0.5f;
+
+			// will sculpt no vertexes
+			if (brush->plane_trim == 0)
+				brush->plane_trim = 0.5f;
+
+			// same as smooth stroke off
+			if (brush->smooth_stroke_radius == 0)
+				brush->smooth_stroke_radius= 75;
+
+			// will keep cursor in one spot
+			if (brush->smooth_stroke_radius == 1)
+				brush->smooth_stroke_factor= 0.9f;
+
+			// same as dots
+			if (brush->rate == 0)
+				brush->rate = 0.1f;
+
+			/* New Settings */
+			if (main->versionfile < 252 || (main->versionfile == 252 && main->subversionfile < 5)) {
+				brush->flag |= BRUSH_SPACE_ATTEN; // explicitly enable adaptive space
+
+				// spacing was originally in pixels, convert it to percentage for new version
+				// size should not be zero due to sanity check above
+				brush->spacing = (int)(100*((float)brush->spacing) / ((float)brush->size));
+
+				if (brush->add_col[0] == 0 &&
+					brush->add_col[1] == 0 &&
+					brush->add_col[2] == 0)
+				{
+					brush->add_col[0] = 1.00f;
+					brush->add_col[1] = 0.39f;
+					brush->add_col[2] = 0.39f;
+				}
+
+				if (brush->sub_col[0] == 0 &&
+					brush->sub_col[1] == 0 &&
+					brush->sub_col[2] == 0)
+				{
+					brush->sub_col[0] = 0.39f;
+					brush->sub_col[1] = 0.39f;
+					brush->sub_col[2] = 1.00f;
+				}
+			}
+		}
+	}
+
+	/* GSOC Sculpt 2010 - Sanity check on Sculpt/Paint settings */
+	if (main->versionfile < 253) {
+		Scene *sce;
+		for (sce= main->scene.first; sce; sce= sce->id.next) {
+			if (sce->toolsettings->sculpt_paint_unified_alpha == 0)
+				sce->toolsettings->sculpt_paint_unified_alpha = 0.5f;
+
+			if (sce->toolsettings->sculpt_paint_unified_unprojected_radius == 0) 
+				sce->toolsettings->sculpt_paint_unified_unprojected_radius = 0.125f;
+
+			if (sce->toolsettings->sculpt_paint_unified_size == 0)
+				sce->toolsettings->sculpt_paint_unified_size = 35;
+		}
+	}
+
+	if (main->versionfile < 253 || (main->versionfile == 253 && main->subversionfile < 1)) {
+			Object *ob;
+
+			for (ob = main->object.first; ob; ob = ob->id.next) {
+				ModifierData *md;
+				for (md= ob->modifiers.first; md; md= md->next) {
+					if (md->type == eModifierType_Smoke) {
+						SmokeModifierData *smd = (SmokeModifierData *)md;
+
+						if ((smd->type & MOD_SMOKE_TYPE_DOMAIN) && smd->domain) {
+							smd->domain->vorticity = 2.0f;
+							smd->domain->time_scale = 1.0f;
+
+							if (!(smd->domain->flags & (1<<4)))
+								continue;
+
+							/* delete old MOD_SMOKE_INITVELOCITY flag */
+							smd->domain->flags &= ~(1<<4);
+
+							/* for now just add it to all flow objects in the scene */
+							{
+								Object *ob2;
+								for (ob2 = main->object.first; ob2; ob2 = ob2->id.next) {
+									ModifierData *md2;
+									for (md2= ob2->modifiers.first; md2; md2= md2->next) {
+										if (md2->type == eModifierType_Smoke) {
+											SmokeModifierData *smd2 = (SmokeModifierData *)md2;
+
+											if ((smd2->type & MOD_SMOKE_TYPE_FLOW) && smd2->flow) {
+												smd2->flow->flags |= MOD_SMOKE_FLOW_INITVELOCITY;
+											}
+										}
+									}
+								}
+							}
+
+						}
+						else if ((smd->type & MOD_SMOKE_TYPE_FLOW) && smd->flow) {
+							smd->flow->vel_multi = 1.0f;
+						}
+
+					}
+				}
+			}
+		}
+
+	if (main->versionfile < 255 || (main->versionfile == 255 && main->subversionfile < 1)) {
+		Brush *br;
+		ParticleSettings *part;
+		bScreen *sc;
+		Object *ob;
+
+		for (br= main->brush.first; br; br= br->id.next) {
+			if (br->ob_mode==0)
+				br->ob_mode= OB_MODE_ALL_PAINT;
+		}
+
+		for (part = main->particle.first; part; part = part->id.next) {
+			if (part->boids)
+				part->boids->pitch = 1.0f;
+
+			part->flag &= ~PART_HAIR_REGROW; /* this was a deprecated flag before */
+			part->kink_amp_clump = 1.f; /* keep old files looking similar */
+		}
+
+		for (sc= main->screen.first; sc; sc= sc->id.next) {
+			ScrArea *sa;
+			for (sa= sc->areabase.first; sa; sa= sa->next) {
+				SpaceLink *sl;
+				for (sl= sa->spacedata.first; sl; sl= sl->next) {
+					if (sl->spacetype == SPACE_INFO) {
+						SpaceInfo *sinfo= (SpaceInfo *)sl;
+						ARegion *ar;
+
+						sinfo->rpt_mask= INFO_RPT_OP;
+
+						for (ar= sa->regionbase.first; ar; ar= ar->next) {
+							if (ar->regiontype == RGN_TYPE_WINDOW) {
+								ar->v2d.scroll = (V2D_SCROLL_RIGHT);
+								ar->v2d.align = V2D_ALIGN_NO_NEG_X|V2D_ALIGN_NO_NEG_Y; /* align bottom left */
+								ar->v2d.keepofs = V2D_LOCKOFS_X;
+								ar->v2d.keepzoom = (V2D_LOCKZOOM_X|V2D_LOCKZOOM_Y|V2D_LIMITZOOM|V2D_KEEPASPECT);
+								ar->v2d.keeptot= V2D_KEEPTOT_BOUNDS;
+								ar->v2d.minzoom= ar->v2d.maxzoom= 1.0f;
+							}
+						}
+					}
+				}
+			}
+		}
+
+		/* fix rotation actuators for objects so they use real angles (radians)
+		 * since before blender went opensource this strange scalar was used: (1 / 0.02) * 2 * math.pi/360 */
+		for (ob= main->object.first; ob; ob= ob->id.next) {
+			bActuator *act= ob->actuators.first;
+			while (act) {
+				if (act->type==ACT_OBJECT) {
+					/* multiply velocity with 50 in old files */
+					bObjectActuator *oa= act->data;
+					mul_v3_fl(oa->drot, 0.8726646259971648f);
+				}
+				act= act->next;
+			}
+		}
+	}
+	
+	// init facing axis property of steering actuators
+	{					
+		Object *ob;
+		for (ob = main->object.first; ob; ob = ob->id.next) {
+			bActuator *act;
+			for (act= ob->actuators.first; act; act= act->next) {
+				if (act->type==ACT_STEERING) {
+					bSteeringActuator* stact = act->data;
+					if (stact->facingaxis==0) {
+						stact->facingaxis=1;
+					}						
+				}
+			}
+		}
+	}
+
+	if (main->versionfile < 255 || (main->versionfile == 255 && main->subversionfile < 3)) {
+		Object *ob;
+
+		/* ocean res is now squared, reset old ones - will be massive */
+		for (ob = main->object.first; ob; ob = ob->id.next) {
+			ModifierData *md;
+			for (md= ob->modifiers.first; md; md= md->next) {
+				if (md->type == eModifierType_Ocean) {
+					OceanModifierData *omd = (OceanModifierData *)md;
+					omd->resolution = 7;
+					omd->oceancache = NULL;
+				}
+			}
+		}		
+	}
+
+	if (main->versionfile < 256) {
+		bScreen *sc;
+		ScrArea *sa;
+		Key *key;
+		
+		/* Fix for sample line scope initializing with no height */
+		for (sc= main->screen.first; sc; sc= sc->id.next) {
+			sa= sc->areabase.first;
+			while (sa) {
+				SpaceLink *sl;
+				for (sl= sa->spacedata.first; sl; sl= sl->next) {
+					if (sl->spacetype==SPACE_IMAGE) {
+						SpaceImage *sima= (SpaceImage *)sl;
+						if (sima->sample_line_hist.height == 0 )
+							sima->sample_line_hist.height = 100;
+					}
+				}
+				sa= sa->next;
+			}
+		}
+		
+		/* old files could have been saved with slidermin = slidermax = 0.0, but the UI in
+		 * 2.4x would never reveal this to users as a dummy value always ended up getting used
+		 * instead
+		 */
+		for (key = main->key.first; key; key = key->id.next) {
+			KeyBlock *kb;
+			
+			for (kb = key->block.first; kb; kb = kb->next) {
+				if (IS_EQF(kb->slidermin, kb->slidermax) && IS_EQ(kb->slidermax, 0))
+					kb->slidermax = kb->slidermin + 1.0f;
+			}
+		}
+	}
+	
+	if (main->versionfile < 256 || (main->versionfile == 256 && main->subversionfile < 1)) {
+		/* fix for bones that didn't have arm_roll before */
+		bArmature* arm;
+		Bone* bone;
+		Object *ob;
+
+		for (arm = main->armature.first; arm; arm = arm->id.next)
+			for (bone = arm->bonebase.first; bone; bone = bone->next)
+				do_version_bone_roll_256(bone);
+
+		/* fix for objects which have zero dquat's
+		 * since this is multiplied with the quat rather than added */
+		for (ob= main->object.first; ob; ob= ob->id.next) {
+			if (is_zero_v4(ob->dquat)) {
+				unit_qt(ob->dquat);
+			}
+			if (is_zero_v3(ob->drotAxis) && ob->drotAngle == 0.0f) {
+				unit_axis_angle(ob->drotAxis, &ob->drotAngle);
+			}
+		}
+	}
+
+	if (main->versionfile < 256 || (main->versionfile == 256 && main->subversionfile < 2)) {
+		bNodeTree *ntree;
+		
+		/* node sockets are not exposed automatically any more,
+		 * this mimics the old behavior by adding all unlinked sockets to groups.
+		 */
+		for (ntree=main->nodetree.first; ntree; ntree=ntree->id.next) {
+			/* XXX Only setting a flag here. Actual adding of group sockets
+			 * is done in lib_verify_nodetree, because at this point the internal
+			 * nodes may not be up-to-date! (missing lib-link)
+			 */
+			ntree->flag |= NTREE_DO_VERSIONS_GROUP_EXPOSE;
+		}
+	}
+
+	if (main->versionfile < 256 || (main->versionfile == 256 && main->subversionfile <3)) {
+		bScreen *sc;
+		Brush *brush;
+		Object *ob;
+		ParticleSettings *part;
+		Material *mat;
+		int tex_nr, transp_tex;
+		
+		for (mat = main->mat.first; mat; mat = mat->id.next) {
+			if (!(mat->mode & MA_TRANSP) && !(mat->material_type & MA_TYPE_VOLUME)) {
+				
+				transp_tex= 0;
+				
+				for (tex_nr=0; tex_nr<MAX_MTEX; tex_nr++) {
+					if (!mat->mtex[tex_nr]) continue;
+					if (mat->mtex[tex_nr]->mapto & MAP_ALPHA) transp_tex= 1;
+				}
+
+				/* weak! material alpha could be animated */
+				if (mat->alpha < 1.0f || mat->fresnel_tra > 0.0f || transp_tex) {
+					mat->mode |= MA_TRANSP;
+					mat->mode &= ~(MA_ZTRANSP|MA_RAYTRANSP);
+				}
+			}
+		}
+
+		/* redraws flag in SpaceTime has been moved to Screen level */
+		for (sc = main->screen.first; sc; sc= sc->id.next) {
+			if (sc->redraws_flag == 0) {
+				/* just initialize to default? */
+				// XXX: we could also have iterated through areas, and taken them from the first timeline available...
+				sc->redraws_flag = TIME_ALL_3D_WIN|TIME_ALL_ANIM_WIN;
+			}
+		}
+
+		for (brush= main->brush.first; brush; brush= brush->id.next) {
+			if (brush->height == 0)
+				brush->height= 0.4f;
+		}
+
+		/* replace 'rim material' option for in offset*/
+		for (ob = main->object.first; ob; ob = ob->id.next) {
+			ModifierData *md;
+			for (md= ob->modifiers.first; md; md= md->next) {
+				if (md->type == eModifierType_Solidify) {
+					SolidifyModifierData *smd = (SolidifyModifierData *)md;
+					if (smd->flag & MOD_SOLIDIFY_RIM_MATERIAL) {
+						smd->mat_ofs_rim= 1;
+						smd->flag &= ~MOD_SOLIDIFY_RIM_MATERIAL;
+					}
+				}
+			}
+		}
+
+		/* particle draw color from material */
+		for (part = main->particle.first; part; part = part->id.next) {
+			if (part->draw & PART_DRAW_MAT_COL)
+				part->draw_col = PART_DRAW_COL_MAT;
+		}
+	}
+
+	if (main->versionfile < 256 || (main->versionfile == 256 && main->subversionfile < 6)) {
+		Mesh *me;
+
+		for (me= main->mesh.first; me; me= me->id.next)
+			mesh_calc_normals_tessface(me->mvert, me->totvert, me->mface, me->totface, NULL);
+	}
+
+	if (main->versionfile < 256 || (main->versionfile == 256 && main->subversionfile < 2)) {
+		/* update blur area sizes from 0..1 range to 0..100 percentage */
+		Scene *scene;
+		bNode *node;
+		for (scene=main->scene.first; scene; scene=scene->id.next)
+			if (scene->nodetree)
+				for (node=scene->nodetree->nodes.first; node; node=node->next)
+					if (node->type==CMP_NODE_BLUR) {
+						NodeBlurData *nbd= node->storage;
+						nbd->percentx *= 100.0f;
+						nbd->percenty *= 100.0f;
+					}
+	}
+
+	if (main->versionfile < 258 || (main->versionfile == 258 && main->subversionfile < 1)) {
+		/* screen view2d settings were not properly initialized [#27164]
+		 * v2d->scroll caused the bug but best reset other values too which are in old blend files only.
+		 * need to make less ugly - possibly an iterator? */
+		bScreen *screen;
+		for (screen= main->screen.first; screen; screen= screen->id.next) {
+			ScrArea *sa;
+			/* add regions */
+			for (sa= screen->areabase.first; sa; sa= sa->next) {
+				SpaceLink *sl= sa->spacedata.first;
+				if (sl->spacetype==SPACE_IMAGE) {
+					ARegion *ar;
+					for (ar=sa->regionbase.first; ar; ar= ar->next) {
+						if (ar->regiontype == RGN_TYPE_WINDOW) {
+							View2D *v2d= &ar->v2d;
+							v2d->minzoom= v2d->maxzoom= v2d->scroll= v2d->keeptot= v2d->keepzoom= v2d->keepofs= v2d->align= 0;
+						}
+					}
+				}
+				for (sl= sa->spacedata.first; sl; sl= sl->next) {
+					if (sl->spacetype==SPACE_IMAGE) {
+						ARegion *ar;
+						for (ar=sl->regionbase.first; ar; ar= ar->next) {
+							if (ar->regiontype == RGN_TYPE_WINDOW) {
+								View2D *v2d= &ar->v2d;
+								v2d->minzoom= v2d->maxzoom= v2d->scroll= v2d->keeptot= v2d->keepzoom= v2d->keepofs= v2d->align= 0;
+							}
+						}
+					}
+				}
+			}
+		}
+
+		{
+			/* Initialize texture point density curve falloff */
+			Tex *tex;
+			for (tex= main->tex.first; tex; tex= tex->id.next) {
+				if (tex->pd) {
+					if (tex->pd->falloff_speed_scale == 0.0f)
+						tex->pd->falloff_speed_scale = 100.0f;
+					
+					if (!tex->pd->falloff_curve) {
+						tex->pd->falloff_curve = curvemapping_add(1, 0, 0, 1, 1);
+						
+						tex->pd->falloff_curve->preset = CURVE_PRESET_LINE;
+						tex->pd->falloff_curve->cm->flag &= ~CUMA_EXTEND_EXTRAPOLATE;
+						curvemap_reset(tex->pd->falloff_curve->cm, &tex->pd->falloff_curve->clipr, tex->pd->falloff_curve->preset, CURVEMAP_SLOPE_POSITIVE);
+						curvemapping_changed(tex->pd->falloff_curve, 0);
+					}
+				}
+			}
+		}
+
+		{
+			/* add default value for behind strength of camera actuator */
+			Object *ob;
+			bActuator *act;
+			for (ob = main->object.first; ob; ob= ob->id.next) {
+				for (act= ob->actuators.first; act; act= act->next) {
+					if (act->type == ACT_CAMERA) {
+						bCameraActuator *ba= act->data;
+
+						ba->damping = 1.0/32.0;
+					}
+				}
+			}
+		}
+
+		{
+			ParticleSettings *part;
+			for (part = main->particle.first; part; part = part->id.next) {
+				/* Initialize particle billboard scale */
+				part->bb_size[0] = part->bb_size[1] = 1.0f;
+			}
+		}
+	}
+
+	if (main->versionfile < 259 || (main->versionfile == 259 && main->subversionfile < 1)) {
+		{
+			Scene *scene;
+			Sequence *seq;
+
+			for (scene=main->scene.first; scene; scene=scene->id.next) {
+				scene->r.ffcodecdata.audio_channels = 2;
+				scene->audio.volume = 1.0f;
+				SEQ_BEGIN (scene->ed, seq)
+				{
+					seq->pitch = 1.0f;
+				}
+				SEQ_END
+			}
+		}
+		{
+			bScreen *screen;
+			for (screen= main->screen.first; screen; screen= screen->id.next) {
+				ScrArea *sa;
+				/* add regions */
+				for (sa= screen->areabase.first; sa; sa= sa->next) {
+					SpaceLink *sl= sa->spacedata.first;
+					if (sl->spacetype==SPACE_SEQ) {
+						ARegion *ar;
+						for (ar=sa->regionbase.first; ar; ar= ar->next) {
+							if (ar->regiontype == RGN_TYPE_WINDOW) {
+								if (ar->v2d.min[1] == 4.0f)
+									ar->v2d.min[1]= 0.5f;
+							}
+						}
+					}
+					for (sl= sa->spacedata.first; sl; sl= sl->next) {
+						if (sl->spacetype==SPACE_SEQ) {
+							ARegion *ar;
+							for (ar=sl->regionbase.first; ar; ar= ar->next) {
+								if (ar->regiontype == RGN_TYPE_WINDOW) {
+									if (ar->v2d.min[1] == 4.0f)
+										ar->v2d.min[1]= 0.5f;
+								}
+							}
+						}
+					}
+				}
+			}
+		}
+		{
+			/* Make "auto-clamped" handles a per-keyframe setting instead of per-FCurve 
+			 *
+			 * We're only patching F-Curves in Actions here, since it is assumed that most
+			 * drivers out there won't be using this (and if they are, they're in the minority).
+			 * While we should aim to fix everything ideally, in practice it's far too hard
+			 * to get to every animdata block, not to mention the performance hit that'd have
+			 */
+			bAction *act;
+			FCurve *fcu;
+			
+			for (act = main->action.first; act; act = act->id.next) {
+				for (fcu = act->curves.first; fcu; fcu = fcu->next) {
+					BezTriple *bezt;
+					unsigned int i = 0;
+					
+					/* only need to touch curves that had this flag set */
+					if ((fcu->flag & FCURVE_AUTO_HANDLES) == 0)
+						continue;
+					if ((fcu->totvert == 0) || (fcu->bezt == NULL))
+						continue;
+						
+					/* only change auto-handles to auto-clamped */
+					for (bezt=fcu->bezt; i < fcu->totvert; i++, bezt++) {
+						if (bezt->h1 == HD_AUTO) bezt->h1 = HD_AUTO_ANIM;
+						if (bezt->h2 == HD_AUTO) bezt->h2 = HD_AUTO_ANIM;
+					}
+					
+					fcu->flag &= ~FCURVE_AUTO_HANDLES;
+				}
+			}
+		}
+		{
+			/* convert fcurve and shape action actuators to action actuators */
+			Object *ob;
+			bActuator *act;
+			bIpoActuator *ia;
+			bActionActuator *aa;
+
+			for (ob= main->object.first; ob; ob= ob->id.next) {
+				for (act= ob->actuators.first; act; act= act->next) {
+					if (act->type == ACT_IPO) {
+						// Create the new actuator
+						ia= act->data;
+						aa= MEM_callocN(sizeof(bActionActuator), "fcurve -> action actuator do_version");
+
+						// Copy values
+						aa->type = ia->type;
+						aa->flag = ia->flag;
+						aa->sta = ia->sta;
+						aa->end = ia->end;
+						BLI_strncpy(aa->name, ia->name, sizeof(aa->name));
+						BLI_strncpy(aa->frameProp, ia->frameProp, sizeof(aa->frameProp));
+						if (ob->adt)
+							aa->act = ob->adt->action;
+
+						// Get rid of the old actuator
+						MEM_freeN(ia);
+
+						// Assign the new actuator
+						act->data = aa;
+						act->type= act->otype= ACT_ACTION;
+						
+					}
+					else if (act->type == ACT_SHAPEACTION) {
+						act->type = act->otype = ACT_ACTION;
+					}
+				}
+			}
+		}
+	}
+
+	if (main->versionfile < 259 || (main->versionfile == 259 && main->subversionfile < 2)) {
+		{
+			/* Convert default socket values from bNodeStack */
+			Scene *sce;
+			Material *mat;
+			Tex *tex;
+			bNodeTree *ntree;
+			for (ntree=main->nodetree.first; ntree; ntree=ntree->id.next) {
+				blo_do_versions_nodetree_default_value(ntree);
+				ntree->update |= NTREE_UPDATE;
+			}
+			for (sce=main->scene.first; sce; sce=sce->id.next)
+				if (sce->nodetree) {
+				blo_do_versions_nodetree_default_value(sce->nodetree);
+				sce->nodetree->update |= NTREE_UPDATE;
+			}
+			for (mat=main->mat.first; mat; mat=mat->id.next)
+				if (mat->nodetree) {
+				blo_do_versions_nodetree_default_value(mat->nodetree);
+				mat->nodetree->update |= NTREE_UPDATE;
+			}
+			for (tex=main->tex.first; tex; tex=tex->id.next)
+				if (tex->nodetree) {
+				blo_do_versions_nodetree_default_value(tex->nodetree);
+				tex->nodetree->update |= NTREE_UPDATE;
+			}
+		}
+
+		/* add SOCK_DYNAMIC flag to existing group sockets */
+		{
+			bNodeTree *ntree;
+			/* only need to do this for trees in main, local trees are not used as groups */
+			for (ntree=main->nodetree.first; ntree; ntree=ntree->id.next) {
+				do_versions_nodetree_dynamic_sockets(ntree);
+				ntree->update |= NTREE_UPDATE;
+			}
+		}
+
+		{
+			/* Initialize group tree nodetypes.
+			 * These are used to distinguish tree types and
+			 * associate them with specific node types for polling.
+			 */
+			bNodeTree *ntree;
+			/* all node trees in main->nodetree are considered groups */
+			for (ntree=main->nodetree.first; ntree; ntree=ntree->id.next)
+				ntree->nodetype = NODE_GROUP;
+		}
+	}
+
+	if (main->versionfile < 259 || (main->versionfile == 259 && main->subversionfile < 4)) {
+		{
+			/* Adaptive time step for particle systems */
+			ParticleSettings *part;
+			for (part = main->particle.first; part; part = part->id.next) {
+				part->courant_target = 0.2f;
+				part->time_flag &= ~PART_TIME_AUTOSF;
+			}
+		}
+
+		{
+			/* set defaults for obstacle avoidance, recast data */
+			Scene *sce;
+			for (sce = main->scene.first; sce; sce = sce->id.next) {
+				if (sce->gm.levelHeight == 0.f)
+					sce->gm.levelHeight = 2.f;
+
+				if (sce->gm.recastData.cellsize == 0.0f)
+					sce->gm.recastData.cellsize = 0.3f;
+				if (sce->gm.recastData.cellheight == 0.0f)
+					sce->gm.recastData.cellheight = 0.2f;
+				if (sce->gm.recastData.agentmaxslope == 0.0f)
+					sce->gm.recastData.agentmaxslope = (float)M_PI/4;
+				if (sce->gm.recastData.agentmaxclimb == 0.0f)
+					sce->gm.recastData.agentmaxclimb = 0.9f;
+				if (sce->gm.recastData.agentheight == 0.0f)
+					sce->gm.recastData.agentheight = 2.0f;
+				if (sce->gm.recastData.agentradius == 0.0f)
+					sce->gm.recastData.agentradius = 0.6f;
+				if (sce->gm.recastData.edgemaxlen == 0.0f)
+					sce->gm.recastData.edgemaxlen = 12.0f;
+				if (sce->gm.recastData.edgemaxerror == 0.0f)
+					sce->gm.recastData.edgemaxerror = 1.3f;
+				if (sce->gm.recastData.regionminsize == 0.0f)
+					sce->gm.recastData.regionminsize = 8.f;
+				if (sce->gm.recastData.regionmergesize == 0.0f)
+					sce->gm.recastData.regionmergesize = 20.f;
+				if (sce->gm.recastData.vertsperpoly<3)
+					sce->gm.recastData.vertsperpoly = 6;
+				if (sce->gm.recastData.detailsampledist == 0.0f)
+					sce->gm.recastData.detailsampledist = 6.0f;
+				if (sce->gm.recastData.detailsamplemaxerror == 0.0f)
+					sce->gm.recastData.detailsamplemaxerror = 1.0f;
+			}
+		}
+	}
+
+	/* WATCH IT!!!: pointers from libdata have not been converted yet here! */
+	/* WATCH IT 2!: Userdef struct init has to be in editors/interface/resources.c! */
+
+	/* don't forget to set version number in blender.c! */
+}
diff --git a/source/blender/blenloader/intern/versioning_legacy.c b/source/blender/blenloader/intern/versioning_legacy.c
new file mode 100644
index 00000000000..fc238204251
--- /dev/null
+++ b/source/blender/blenloader/intern/versioning_legacy.c
@@ -0,0 +1,3570 @@
+/*
+ * ***** BEGIN GPL LICENSE BLOCK *****
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
+ * All rights reserved.
+ *
+ *
+ * Contributor(s): Blender Foundation
+ *
+ * ***** END GPL LICENSE BLOCK *****
+ *
+ */
+
+/** \file blender/blenloader/intern/readfile_pre250.c
+ *  \ingroup blenloader
+ */
+
+
+//#include "zlib.h"
+
+#include <limits.h>
+//#include <stdio.h> // for printf fopen fwrite fclose sprintf FILE
+//#include <stdlib.h> // for getenv atoi
+//#include <stddef.h> // for offsetof
+//#include <fcntl.h> // for open
+//#include <string.h> // for strrchr strncmp strstr
+//#include <math.h> // for fabs
+//#include <stdarg.h> /* for va_start/end */
+
+#ifndef WIN32
+#  include <unistd.h> // for read close
+#else
+#  include <io.h> // for open close read
+#  include "winsock2.h"
+#  include "BLI_winstuff.h"
+#endif
+
+/* allow readfile to use deprecated functionality */
+#define DNA_DEPRECATED_ALLOW
+
+#include "DNA_armature_types.h"
+#include "DNA_actuator_types.h"
+#include "DNA_camera_types.h"
+#include "DNA_constraint_types.h"
+#include "DNA_effect_types.h"
+#include "DNA_group_types.h"
+#include "DNA_key_types.h"
+#include "DNA_lattice_types.h"
+#include "DNA_lamp_types.h"
+#include "DNA_material_types.h"
+#include "DNA_mesh_types.h"
+#include "DNA_meshdata_types.h"
+#include "DNA_nla_types.h"
+#include "DNA_node_types.h"
+#include "DNA_object_fluidsim.h" // NT
+#include "DNA_object_types.h"
+#include "DNA_property_types.h"
+#include "DNA_view3d_types.h"
+#include "DNA_screen_types.h"
+#include "DNA_sensor_types.h"
+#include "DNA_sdna_types.h"
+#include "DNA_sequence_types.h"
+#include "DNA_sound_types.h"
+#include "DNA_space_types.h"
+#include "DNA_vfont_types.h"
+#include "DNA_world_types.h"
+
+#include "MEM_guardedalloc.h"
+
+#include "BLI_utildefines.h"
+#include "BLI_blenlib.h"
+#include "BLI_math.h"
+#include "BLI_edgehash.h"
+
+#include "BKE_armature.h"
+#include "BKE_colortools.h"
+#include "BKE_constraint.h"
+#include "BKE_deform.h"
+#include "BKE_fcurve.h"
+#include "BKE_global.h" // for G
+#include "BKE_image.h"
+#include "BKE_lattice.h"
+#include "BKE_main.h" // for Main
+#include "BKE_mesh.h" // for ME_ defines (patching)
+#include "BKE_modifier.h"
+#include "BKE_particle.h"
+#include "BKE_pointcache.h"
+#include "BKE_property.h" // for get_ob_property
+#include "BKE_scene.h"
+#include "BKE_sequencer.h"
+#include "BKE_utildefines.h" // SWITCH_INT DATA ENDB DNA1 O_BINARY GLOB USER TEST REND
+
+#include "IMB_imbuf.h"  // for proxy / timecode versioning stuff
+
+#include "NOD_socket.h"
+
+//XXX #include "BIF_butspace.h" // badlevel, for do_versions, patching event codes
+//XXX #include "BIF_filelist.h" // badlevel too, where to move this? - elubie
+//XXX #include "BIF_previewrender.h" // bedlelvel, for struct RenderInfo
+#include "BLO_readfile.h"
+#include "BLO_undofile.h"
+
+#include "RE_engine.h"
+
+#include "readfile.h"
+
+#include "PIL_time.h"
+
+#include <errno.h>
+
+static void vcol_to_fcol(Mesh *me)
+{
+	MFace *mface;
+	unsigned int *mcol, *mcoln, *mcolmain;
+	int a;
+
+	if (me->totface==0 || me->mcol==NULL) return;
+
+	mcoln= mcolmain= MEM_mallocN(4*sizeof(int)*me->totface, "mcoln");
+	mcol = (unsigned int *)me->mcol;
+	mface= me->mface;
+	for (a=me->totface; a>0; a--, mface++) {
+		mcoln[0]= mcol[mface->v1];
+		mcoln[1]= mcol[mface->v2];
+		mcoln[2]= mcol[mface->v3];
+		mcoln[3]= mcol[mface->v4];
+		mcoln+= 4;
+	}
+
+	MEM_freeN(me->mcol);
+	me->mcol= (MCol *)mcolmain;
+}
+
+static int map_223_keybd_code_to_224_keybd_code(int code)
+{
+	switch (code) {
+		case 312:	return 311; /* F12KEY */
+		case 159:	return 161; /* PADSLASHKEY */
+		case 161:	return 150; /* PAD0 */
+		case 154:	return 151; /* PAD1 */
+		case 150:	return 152; /* PAD2 */
+		case 155:	return 153; /* PAD3 */
+		case 151:	return 154; /* PAD4 */
+		case 156:	return 155; /* PAD5 */
+		case 152:	return 156; /* PAD6 */
+		case 157:	return 157; /* PAD7 */
+		case 153:	return 158; /* PAD8 */
+		case 158:	return 159; /* PAD9 */
+		default: return code;
+	}
+}
+
+static void do_version_bone_head_tail_237(Bone *bone)
+{
+	Bone *child;
+	float vec[3];
+
+	/* head */
+	copy_v3_v3(bone->arm_head, bone->arm_mat[3]);
+
+	/* tail is in current local coord system */
+	copy_v3_v3(vec, bone->arm_mat[1]);
+	mul_v3_fl(vec, bone->length);
+	add_v3_v3v3(bone->arm_tail, bone->arm_head, vec);
+
+	for (child= bone->childbase.first; child; child= child->next)
+		do_version_bone_head_tail_237(child);
+}
+
+static void bone_version_238(ListBase *lb)
+{
+	Bone *bone;
+	
+	for (bone= lb->first; bone; bone= bone->next) {
+		if (bone->rad_tail==0.0f && bone->rad_head==0.0f) {
+			bone->rad_head= 0.25f*bone->length;
+			bone->rad_tail= 0.1f*bone->length;
+			
+			bone->dist-= bone->rad_head;
+			if (bone->dist<=0.0f) bone->dist= 0.0f;
+		}
+		bone_version_238(&bone->childbase);
+	}
+}
+
+static void bone_version_239(ListBase *lb)
+{
+	Bone *bone;
+	
+	for (bone= lb->first; bone; bone= bone->next) {
+		if (bone->layer==0)
+			bone->layer= 1;
+		bone_version_239(&bone->childbase);
+	}
+}
+
+static void ntree_version_241(bNodeTree *ntree)
+{
+	bNode *node;
+	
+	if (ntree->type==NTREE_COMPOSIT) {
+		for (node= ntree->nodes.first; node; node= node->next) {
+			if (node->type==CMP_NODE_BLUR) {
+				if (node->storage==NULL) {
+					NodeBlurData *nbd= MEM_callocN(sizeof(NodeBlurData), "node blur patch");
+					nbd->sizex= node->custom1;
+					nbd->sizey= node->custom2;
+					nbd->filtertype= R_FILTER_QUAD;
+					node->storage= nbd;
+				}
+			}
+			else if (node->type==CMP_NODE_VECBLUR) {
+				if (node->storage==NULL) {
+					NodeBlurData *nbd= MEM_callocN(sizeof(NodeBlurData), "node blur patch");
+					nbd->samples= node->custom1;
+					nbd->maxspeed= node->custom2;
+					nbd->fac= 1.0f;
+					node->storage= nbd;
+				}
+			}
+		}
+	}
+}
+
+static void ntree_version_242(bNodeTree *ntree)
+{
+	bNode *node;
+	
+	if (ntree->type==NTREE_COMPOSIT) {
+		for (node= ntree->nodes.first; node; node= node->next) {
+			if (node->type==CMP_NODE_HUE_SAT) {
+				if (node->storage) {
+					NodeHueSat *nhs= node->storage;
+					if (nhs->val==0.0f) nhs->val= 1.0f;
+				}
+			}
+		}
+	}
+	else if (ntree->type==NTREE_SHADER) {
+		for (node= ntree->nodes.first; node; node= node->next)
+			if (node->type == SH_NODE_GEOMETRY && node->storage == NULL)
+				node->storage= MEM_callocN(sizeof(NodeGeometry), "NodeGeometry");
+	}
+	
+}
+
+static void ntree_version_245(FileData *fd, Library *lib, bNodeTree *ntree)
+{
+	bNode *node;
+	NodeTwoFloats *ntf;
+	ID *nodeid;
+	Image *image;
+	ImageUser *iuser;
+
+	if (ntree->type==NTREE_COMPOSIT) {
+		for (node= ntree->nodes.first; node; node= node->next) {
+			if (node->type == CMP_NODE_ALPHAOVER) {
+				if (!node->storage) {
+					ntf= MEM_callocN(sizeof(NodeTwoFloats), "NodeTwoFloats");
+					node->storage= ntf;
+					if (node->custom1)
+						ntf->x= 1.0f;
+				}
+			}
+			
+			/* fix for temporary flag changes during 245 cycle */
+			nodeid= blo_do_versions_newlibadr(fd, lib, node->id);
+			if (node->storage && nodeid && GS(nodeid->name) == ID_IM) {
+				image= (Image*)nodeid;
+				iuser= node->storage;
+				if (iuser->flag & IMA_OLD_PREMUL) {
+					iuser->flag &= ~IMA_OLD_PREMUL;
+					iuser->flag |= IMA_DO_PREMUL;
+				}
+				if (iuser->flag & IMA_DO_PREMUL) {
+					image->flag &= ~IMA_OLD_PREMUL;
+					image->flag |= IMA_DO_PREMUL;
+				}
+			}
+		}
+	}
+}
+
+static void idproperties_fix_groups_lengths_recurse(IDProperty *prop)
+{
+	IDProperty *loop;
+	int i;
+	
+	for (loop=prop->data.group.first, i=0; loop; loop=loop->next, i++) {
+		if (loop->type == IDP_GROUP) idproperties_fix_groups_lengths_recurse(loop);
+	}
+	
+	if (prop->len != i) {
+		printf("Found and fixed bad id property group length.\n");
+		prop->len = i;
+	}
+}
+
+static void idproperties_fix_group_lengths(ListBase idlist)
+{
+	ID *id;
+	
+	for (id=idlist.first; id; id=id->next) {
+		if (id->properties) {
+			idproperties_fix_groups_lengths_recurse(id->properties);
+		}
+	}
+}
+
+static void alphasort_version_246(FileData *fd, Library *lib, Mesh *me)
+{
+	Material *ma;
+	MFace *mf;
+	MTFace *tf;
+	int a, b, texalpha;
+
+	/* verify we have a tface layer */
+	for (b=0; b<me->fdata.totlayer; b++)
+		if (me->fdata.layers[b].type == CD_MTFACE)
+			break;
+	
+	if (b == me->fdata.totlayer)
+		return;
+
+	/* if we do, set alpha sort if the game engine did it before */
+	for (a=0, mf=me->mface; a<me->totface; a++, mf++) {
+		if (mf->mat_nr < me->totcol) {
+			ma= blo_do_versions_newlibadr(fd, lib, me->mat[mf->mat_nr]);
+			texalpha = 0;
+
+			/* we can't read from this if it comes from a library,
+			 * because direct_link might not have happened on it,
+			 * so ma->mtex is not pointing to valid memory yet */
+			if (ma && ma->id.lib)
+				ma= NULL;
+
+			for (b=0; ma && b<MAX_MTEX; b++)
+				if (ma->mtex && ma->mtex[b] && ma->mtex[b]->mapto & MAP_ALPHA)
+					texalpha = 1;
+		}
+		else {
+			ma= NULL;
+			texalpha = 0;
+		}
+
+		for (b=0; b<me->fdata.totlayer; b++) {
+			if (me->fdata.layers[b].type == CD_MTFACE) {
+				tf = ((MTFace*)me->fdata.layers[b].data) + a;
+
+				tf->mode &= ~TF_ALPHASORT;
+				if (ma && (ma->mode & MA_ZTRANSP))
+					if (ELEM(tf->transp, TF_ALPHA, TF_ADD) || (texalpha && (tf->transp != TF_CLIP)))
+						tf->mode |= TF_ALPHASORT;
+			}
+		}
+	}
+}
+
+static void customdata_version_242(Mesh *me)
+{
+	CustomDataLayer *layer;
+	MTFace *mtf;
+	MCol *mcol;
+	TFace *tf;
+	int a, mtfacen, mcoln;
+
+	if (!me->vdata.totlayer) {
+		CustomData_add_layer(&me->vdata, CD_MVERT, CD_ASSIGN, me->mvert, me->totvert);
+
+		if (me->msticky)
+			CustomData_add_layer(&me->vdata, CD_MSTICKY, CD_ASSIGN, me->msticky, me->totvert);
+		if (me->dvert)
+			CustomData_add_layer(&me->vdata, CD_MDEFORMVERT, CD_ASSIGN, me->dvert, me->totvert);
+	}
+
+	if (!me->edata.totlayer)
+		CustomData_add_layer(&me->edata, CD_MEDGE, CD_ASSIGN, me->medge, me->totedge);
+	
+	if (!me->fdata.totlayer) {
+		CustomData_add_layer(&me->fdata, CD_MFACE, CD_ASSIGN, me->mface, me->totface);
+
+		if (me->tface) {
+			if (me->mcol)
+				MEM_freeN(me->mcol);
+
+			me->mcol= CustomData_add_layer(&me->fdata, CD_MCOL, CD_CALLOC, NULL, me->totface);
+			me->mtface= CustomData_add_layer(&me->fdata, CD_MTFACE, CD_CALLOC, NULL, me->totface);
+
+			mtf= me->mtface;
+			mcol= me->mcol;
+			tf= me->tface;
+
+			for (a=0; a < me->totface; a++, mtf++, tf++, mcol+=4) {
+				memcpy(mcol, tf->col, sizeof(tf->col));
+				memcpy(mtf->uv, tf->uv, sizeof(tf->uv));
+
+				mtf->flag= tf->flag;
+				mtf->unwrap= tf->unwrap;
+				mtf->mode= tf->mode;
+				mtf->tile= tf->tile;
+				mtf->tpage= tf->tpage;
+				mtf->transp= tf->transp;
+			}
+
+			MEM_freeN(me->tface);
+			me->tface= NULL;
+		}
+		else if (me->mcol) {
+			me->mcol= CustomData_add_layer(&me->fdata, CD_MCOL, CD_ASSIGN, me->mcol, me->totface);
+		}
+	}
+
+	if (me->tface) {
+		MEM_freeN(me->tface);
+		me->tface= NULL;
+	}
+
+	for (a=0, mtfacen=0, mcoln=0; a < me->fdata.totlayer; a++) {
+		layer= &me->fdata.layers[a];
+
+		if (layer->type == CD_MTFACE) {
+			if (layer->name[0] == 0) {
+				if (mtfacen == 0) strcpy(layer->name, "UVMap");
+				else BLI_snprintf(layer->name, sizeof(layer->name), "UVMap.%.3d", mtfacen);
+			}
+			mtfacen++;
+		}
+		else if (layer->type == CD_MCOL) {
+			if (layer->name[0] == 0) {
+				if (mcoln == 0) strcpy(layer->name, "Col");
+				else BLI_snprintf(layer->name, sizeof(layer->name), "Col.%.3d", mcoln);
+			}
+			mcoln++;
+		}
+	}
+
+	mesh_update_customdata_pointers(me, TRUE);
+}
+
+/*only copy render texface layer from active*/
+static void customdata_version_243(Mesh *me)
+{
+	CustomDataLayer *layer;
+	int a;
+
+	for (a=0; a < me->fdata.totlayer; a++) {
+		layer= &me->fdata.layers[a];
+		layer->active_rnd = layer->active;
+	}
+}
+
+/* struct NodeImageAnim moved to ImageUser, and we make it default available */
+static void do_version_ntree_242_2(bNodeTree *ntree)
+{
+	bNode *node;
+	
+	if (ntree->type==NTREE_COMPOSIT) {
+		for (node= ntree->nodes.first; node; node= node->next) {
+			if (ELEM3(node->type, CMP_NODE_IMAGE, CMP_NODE_VIEWER, CMP_NODE_SPLITVIEWER)) {
+				/* only image had storage */
+				if (node->storage) {
+					NodeImageAnim *nia= node->storage;
+					ImageUser *iuser= MEM_callocN(sizeof(ImageUser), "ima user node");
+
+					iuser->frames= nia->frames;
+					iuser->sfra= nia->sfra;
+					iuser->offset= nia->nr-1;
+					iuser->cycl= nia->cyclic;
+					iuser->fie_ima= 2;
+					iuser->ok= 1;
+					
+					node->storage= iuser;
+					MEM_freeN(nia);
+				}
+				else {
+					ImageUser *iuser= node->storage= MEM_callocN(sizeof(ImageUser), "node image user");
+					iuser->sfra= 1;
+					iuser->fie_ima= 2;
+					iuser->ok= 1;
+				}
+			}
+		}
+	}
+}
+
+static void do_version_free_effect_245(Effect *eff)
+{
+	PartEff *paf;
+
+	if (eff->type==EFF_PARTICLE) {
+		paf= (PartEff *)eff;
+		if (paf->keys) MEM_freeN(paf->keys);
+	}
+	MEM_freeN(eff);
+}
+
+static void do_version_free_effects_245(ListBase *lb)
+{
+	Effect *eff;
+
+	eff= lb->first;
+	while (eff) {
+		BLI_remlink(lb, eff);
+		do_version_free_effect_245(eff);
+		eff= lb->first;
+	}
+}
+
+PartEff *blo_do_version_give_parteff_245(Object *ob)
+{
+	PartEff *paf;
+
+	paf= ob->effect.first;
+	while (paf) {
+		if (paf->type==EFF_PARTICLE) return paf;
+		paf= paf->next;
+	}
+	return NULL;
+}
+
+/* NOTE: this version patch is intended for versions < 2.52.2, but was initially introduced in 2.27 already */
+void blo_do_version_old_trackto_to_constraints(Object *ob)
+{
+	/* create new trackto constraint from the relationship */
+	if (ob->track) {
+		bConstraint *con= add_ob_constraint(ob, "AutoTrack", CONSTRAINT_TYPE_TRACKTO);
+		bTrackToConstraint *data = con->data;
+		
+		/* copy tracking settings from the object */
+		data->tar = ob->track;
+		data->reserved1 = ob->trackflag;
+		data->reserved2 = ob->upflag;
+	}
+	
+	/* clear old track setting */
+	ob->track = NULL;
+}
+
+void blo_do_versions_pre250(FileData *fd, Library *lib, Main *main)
+{
+	/* WATCH IT!!!: pointers from libdata have not been converted */
+
+	if (G.debug & G_DEBUG)
+		printf("read file %s\n  Version %d sub %d svn r%d\n", fd->relabase, main->versionfile, main->subversionfile, main->revision);
+	
+	if (main->versionfile == 100) {
+		/* tex->extend and tex->imageflag have changed: */
+		Tex *tex = main->tex.first;
+		while (tex) {
+			if (tex->id.flag & LIB_NEEDLINK) {
+
+				if (tex->extend==0) {
+					if (tex->xrepeat || tex->yrepeat) tex->extend= TEX_REPEAT;
+					else {
+						tex->extend= TEX_EXTEND;
+						tex->xrepeat= tex->yrepeat= 1;
+					}
+				}
+
+			}
+			tex= tex->id.next;
+		}
+	}
+	if (main->versionfile <= 101) {
+		/* frame mapping */
+		Scene *sce = main->scene.first;
+		while (sce) {
+			sce->r.framapto= 100;
+			sce->r.images= 100;
+			sce->r.framelen= 1.0;
+			sce= sce->id.next;
+		}
+	}
+	if (main->versionfile <= 102) {
+		/* init halo's at 1.0 */
+		Material *ma = main->mat.first;
+		while (ma) {
+			ma->add= 1.0;
+			ma= ma->id.next;
+		}
+	}
+	if (main->versionfile <= 103) {
+		/* new variable in object: colbits */
+		Object *ob = main->object.first;
+		int a;
+		while (ob) {
+			ob->colbits= 0;
+			if (ob->totcol) {
+				for (a=0; a<ob->totcol; a++) {
+					if (ob->mat[a]) ob->colbits |= (1<<a);
+				}
+			}
+			ob= ob->id.next;
+		}
+	}
+	if (main->versionfile <= 104) {
+		/* timeoffs moved */
+		Object *ob = main->object.first;
+		while (ob) {
+			if (ob->transflag & 1) {
+				ob->transflag -= 1;
+				//ob->ipoflag |= OB_OFFS_OB;
+			}
+			ob= ob->id.next;
+		}
+	}
+	if (main->versionfile <= 105) {
+		Object *ob = main->object.first;
+		while (ob) {
+			ob->dupon= 1; ob->dupoff= 0;
+			ob->dupsta= 1; ob->dupend= 100;
+			ob= ob->id.next;
+		}
+	}
+	if (main->versionfile <= 106) {
+		/* mcol changed */
+		Mesh *me = main->mesh.first;
+		while (me) {
+			if (me->mcol) vcol_to_fcol(me);
+			me= me->id.next;
+		}
+
+	}
+	if (main->versionfile <= 107) {
+		Object *ob;
+		Scene *sce = main->scene.first;
+		while (sce) {
+			sce->r.mode |= R_GAMMA;
+			sce= sce->id.next;
+		}
+		ob= main->object.first;
+		while (ob) {
+			//ob->ipoflag |= OB_OFFS_PARENT;
+			if (ob->dt==0) ob->dt= OB_SOLID;
+			ob= ob->id.next;
+		}
+
+	}
+	if (main->versionfile <= 109) {
+		/* new variable: gridlines */
+		bScreen *sc = main->screen.first;
+		while (sc) {
+			ScrArea *sa= sc->areabase.first;
+			while (sa) {
+				SpaceLink *sl= sa->spacedata.first;
+				while (sl) {
+					if (sl->spacetype==SPACE_VIEW3D) {
+						View3D *v3d= (View3D*) sl;
+
+						if (v3d->gridlines==0) v3d->gridlines= 20;
+					}
+					sl= sl->next;
+				}
+				sa= sa->next;
+			}
+			sc= sc->id.next;
+		}
+	}
+	if (main->versionfile <= 113) {
+		Material *ma = main->mat.first;
+		while (ma) {
+			if (ma->flaresize==0.0f) ma->flaresize= 1.0f;
+			ma->subsize= 1.0f;
+			ma->flareboost= 1.0f;
+			ma= ma->id.next;
+		}
+	}
+
+	if (main->versionfile <= 134) {
+		Tex *tex = main->tex.first;
+		while (tex) {
+			if ((tex->rfac == 0.0f) &&
+				(tex->gfac == 0.0f) &&
+				(tex->bfac == 0.0f)) {
+				tex->rfac = 1.0f;
+				tex->gfac = 1.0f;
+				tex->bfac = 1.0f;
+				tex->filtersize = 1.0f;
+			}
+			tex = tex->id.next;
+		}
+	}
+	if (main->versionfile <= 140) {
+		/* r-g-b-fac in texture */
+		Tex *tex = main->tex.first;
+		while (tex) {
+			if ((tex->rfac == 0.0f) &&
+				(tex->gfac == 0.0f) &&
+				(tex->bfac == 0.0f)) {
+				tex->rfac = 1.0f;
+				tex->gfac = 1.0f;
+				tex->bfac = 1.0f;
+				tex->filtersize = 1.0f;
+			}
+			tex = tex->id.next;
+		}
+	}
+	if (main->versionfile <= 153) {
+		Scene *sce = main->scene.first;
+		while (sce) {
+			if (sce->r.blurfac==0.0f) sce->r.blurfac= 1.0f;
+			sce= sce->id.next;
+		}
+	}
+	if (main->versionfile <= 163) {
+		Scene *sce = main->scene.first;
+		while (sce) {
+			if (sce->r.frs_sec==0) sce->r.frs_sec= 25;
+			sce= sce->id.next;
+		}
+	}
+	if (main->versionfile <= 164) {
+		Mesh *me= main->mesh.first;
+		while (me) {
+			me->smoothresh= 30;
+			me= me->id.next;
+		}
+	}
+	if (main->versionfile <= 165) {
+		Mesh *me= main->mesh.first;
+		TFace *tface;
+		int nr;
+		char *cp;
+
+		while (me) {
+			if (me->tface) {
+				nr= me->totface;
+				tface= me->tface;
+				while (nr--) {
+					cp= (char *)&tface->col[0];
+					if (cp[1]>126) cp[1]= 255; else cp[1]*=2;
+					if (cp[2]>126) cp[2]= 255; else cp[2]*=2;
+					if (cp[3]>126) cp[3]= 255; else cp[3]*=2;
+					cp= (char *)&tface->col[1];
+					if (cp[1]>126) cp[1]= 255; else cp[1]*=2;
+					if (cp[2]>126) cp[2]= 255; else cp[2]*=2;
+					if (cp[3]>126) cp[3]= 255; else cp[3]*=2;
+					cp= (char *)&tface->col[2];
+					if (cp[1]>126) cp[1]= 255; else cp[1]*=2;
+					if (cp[2]>126) cp[2]= 255; else cp[2]*=2;
+					if (cp[3]>126) cp[3]= 255; else cp[3]*=2;
+					cp= (char *)&tface->col[3];
+					if (cp[1]>126) cp[1]= 255; else cp[1]*=2;
+					if (cp[2]>126) cp[2]= 255; else cp[2]*=2;
+					if (cp[3]>126) cp[3]= 255; else cp[3]*=2;
+
+					tface++;
+				}
+			}
+			me= me->id.next;
+		}
+	}
+
+	if (main->versionfile <= 169) {
+		Mesh *me= main->mesh.first;
+		while (me) {
+			if (me->subdiv==0) me->subdiv= 1;
+			me= me->id.next;
+		}
+	}
+
+	if (main->versionfile <= 169) {
+		bScreen *sc= main->screen.first;
+		while (sc) {
+			ScrArea *sa= sc->areabase.first;
+			while (sa) {
+				SpaceLink *sl= sa->spacedata.first;
+				while (sl) {
+					if (sl->spacetype==SPACE_IPO) {
+						SpaceIpo *sipo= (SpaceIpo*) sl;
+						sipo->v2d.max[0]= 15000.0;
+					}
+					sl= sl->next;
+				}
+				sa= sa->next;
+			}
+			sc= sc->id.next;
+		}
+	}
+
+	if (main->versionfile <= 170) {
+		Object *ob = main->object.first;
+		PartEff *paf;
+		while (ob) {
+			paf = blo_do_version_give_parteff_245(ob);
+			if (paf) {
+				if (paf->staticstep == 0) {
+					paf->staticstep= 5;
+				}
+			}
+			ob = ob->id.next;
+		}
+	}
+
+	if (main->versionfile <= 171) {
+		bScreen *sc= main->screen.first;
+		while (sc) {
+			ScrArea *sa= sc->areabase.first;
+			while (sa) {
+				SpaceLink *sl= sa->spacedata.first;
+				while (sl) {
+					if (sl->spacetype==SPACE_TEXT) {
+						SpaceText *st= (SpaceText*) sl;
+						st->lheight= 12;
+					}
+					sl= sl->next;
+				}
+				sa= sa->next;
+			}
+			sc= sc->id.next;
+		}
+	}
+
+	if (main->versionfile <= 173) {
+		int a, b;
+		Mesh *me= main->mesh.first;
+		while (me) {
+			if (me->tface) {
+				TFace *tface= me->tface;
+				for (a=0; a<me->totface; a++, tface++) {
+					for (b=0; b<4; b++) {
+						tface->uv[b][0]/= 32767.0f;
+						tface->uv[b][1]/= 32767.0f;
+					}
+				}
+			}
+			me= me->id.next;
+		}
+	}
+
+	if (main->versionfile <= 191) {
+		Object *ob= main->object.first;
+		Material *ma = main->mat.first;
+
+		/* let faces have default add factor of 0.0 */
+		while (ma) {
+		  if (!(ma->mode & MA_HALO)) ma->add = 0.0;
+		  ma = ma->id.next;
+		}
+
+		while (ob) {
+			ob->mass= 1.0f;
+			ob->damping= 0.1f;
+			/*ob->quat[1]= 1.0f;*/ /* quats arnt used yet */
+			ob= ob->id.next;
+		}
+	}
+
+	if (main->versionfile <= 193) {
+		Object *ob= main->object.first;
+		while (ob) {
+			ob->inertia= 1.0f;
+			ob->rdamping= 0.1f;
+			ob= ob->id.next;
+		}
+	}
+
+	if (main->versionfile <= 196) {
+		Mesh *me= main->mesh.first;
+		int a, b;
+		while (me) {
+			if (me->tface) {
+				TFace *tface= me->tface;
+				for (a=0; a<me->totface; a++, tface++) {
+					for (b=0; b<4; b++) {
+						tface->mode |= TF_DYNAMIC;
+						tface->mode &= ~TF_INVISIBLE;
+					}
+				}
+			}
+			me= me->id.next;
+		}
+	}
+
+	if (main->versionfile <= 200) {
+		Object *ob= main->object.first;
+		while (ob) {
+			ob->scaflag = ob->gameflag & (OB_DO_FH|OB_ROT_FH|OB_ANISOTROPIC_FRICTION|OB_GHOST|OB_RIGID_BODY|OB_BOUNDS);
+				/* 64 is do_fh */
+			ob->gameflag &= ~(OB_ROT_FH|OB_ANISOTROPIC_FRICTION|OB_GHOST|OB_RIGID_BODY|OB_BOUNDS);
+			ob = ob->id.next;
+		}
+	}
+
+	if (main->versionfile <= 201) {
+		/* add-object + end-object are joined to edit-object actuator */
+		Object *ob = main->object.first;
+		bProperty *prop;
+		bActuator *act;
+		bIpoActuator *ia;
+		bEditObjectActuator *eoa;
+		bAddObjectActuator *aoa;
+		while (ob) {
+			act = ob->actuators.first;
+			while (act) {
+				if (act->type==ACT_IPO) {
+					ia= act->data;
+					prop= get_ob_property(ob, ia->name);
+					if (prop) {
+						ia->type= ACT_IPO_FROM_PROP;
+					}
+				}
+				else if (act->type==ACT_ADD_OBJECT) {
+					aoa= act->data;
+					eoa= MEM_callocN(sizeof(bEditObjectActuator), "edit ob act");
+					eoa->type= ACT_EDOB_ADD_OBJECT;
+					eoa->ob= aoa->ob;
+					eoa->time= aoa->time;
+					MEM_freeN(aoa);
+					act->data= eoa;
+					act->type= act->otype= ACT_EDIT_OBJECT;
+				}
+				else if (act->type==ACT_END_OBJECT) {
+					eoa= MEM_callocN(sizeof(bEditObjectActuator), "edit ob act");
+					eoa->type= ACT_EDOB_END_OBJECT;
+					act->data= eoa;
+					act->type= act->otype= ACT_EDIT_OBJECT;
+				}
+				act= act->next;
+			}
+			ob = ob->id.next;
+		}
+	}
+
+	if (main->versionfile <= 202) {
+		/* add-object and end-object are joined to edit-object
+		 * actuator */
+		Object *ob= main->object.first;
+		bActuator *act;
+		bObjectActuator *oa;
+		while (ob) {
+			act= ob->actuators.first;
+			while (act) {
+				if (act->type==ACT_OBJECT) {
+					oa= act->data;
+					oa->flag &= ~(ACT_TORQUE_LOCAL|ACT_DROT_LOCAL);		/* this actuator didn't do local/glob rot before */
+				}
+				act= act->next;
+			}
+			ob= ob->id.next;
+		}
+	}
+
+	if (main->versionfile <= 204) {
+		/* patches for new physics */
+		Object *ob= main->object.first;
+		bActuator *act;
+		bObjectActuator *oa;
+		bSound *sound;
+		while (ob) {
+
+			/* please check this for demo20 files like
+			 * original Egypt levels etc.  converted
+			 * rotation factor of 50 is not workable */
+			act= ob->actuators.first;
+			while (act) {
+				if (act->type==ACT_OBJECT) {
+					oa= act->data;
+
+					oa->forceloc[0]*= 25.0f;
+					oa->forceloc[1]*= 25.0f;
+					oa->forceloc[2]*= 25.0f;
+
+					oa->forcerot[0]*= 10.0f;
+					oa->forcerot[1]*= 10.0f;
+					oa->forcerot[2]*= 10.0f;
+				}
+				act= act->next;
+			}
+			ob= ob->id.next;
+		}
+
+		sound = main->sound.first;
+		while (sound) {
+			if (sound->volume < 0.01f) {
+				sound->volume = 1.0f;
+			}
+			sound = sound->id.next;
+		}
+	}
+
+	if (main->versionfile <= 205) {
+		/* patches for new physics */
+		Object *ob= main->object.first;
+		bActuator *act;
+		bSensor *sens;
+		bEditObjectActuator *oa;
+		bRaySensor *rs;
+		bCollisionSensor *cs;
+		while (ob) {
+			/* Set anisotropic friction off for old objects,
+			 * values to 1.0.  */
+			ob->gameflag &= ~OB_ANISOTROPIC_FRICTION;
+			ob->anisotropicFriction[0] = 1.0;
+			ob->anisotropicFriction[1] = 1.0;
+			ob->anisotropicFriction[2] = 1.0;
+
+			act= ob->actuators.first;
+			while (act) {
+				if (act->type==ACT_EDIT_OBJECT) {
+					/* Zero initial velocity for newly
+					 * added objects */
+					oa= act->data;
+					oa->linVelocity[0] = 0.0;
+					oa->linVelocity[1] = 0.0;
+					oa->linVelocity[2] = 0.0;
+					oa->localflag = 0;
+				}
+				act= act->next;
+			}
+
+			sens= ob->sensors.first;
+			while (sens) {
+				/* Extra fields for radar sensors. */
+				if (sens->type == SENS_RADAR) {
+					bRadarSensor *s = sens->data;
+					s->range = 10000.0;
+				}
+
+				/* Pulsing: defaults for new sensors. */
+				if (sens->type != SENS_ALWAYS) {
+					sens->pulse = 0;
+					sens->freq = 0;
+				}
+				else {
+					sens->pulse = 1;
+				}
+
+				/* Invert: off. */
+				sens->invert = 0;
+
+				/* Collision and ray: default = trigger
+				 * on property. The material field can
+				 * remain empty. */
+				if (sens->type == SENS_COLLISION) {
+					cs = (bCollisionSensor*) sens->data;
+					cs->mode = 0;
+				}
+				if (sens->type == SENS_RAY) {
+					rs = (bRaySensor*) sens->data;
+					rs->mode = 0;
+				}
+				sens = sens->next;
+			}
+			ob= ob->id.next;
+		}
+		/* have to check the exact multiplier */
+	}
+
+	if (main->versionfile <= 211) {
+		/* Render setting: per scene, the applicable gamma value
+		 * can be set. Default is 1.0, which means no
+		 * correction.  */
+		bActuator *act;
+		bObjectActuator *oa;
+		Object *ob;
+
+		/* added alpha in obcolor */
+		ob= main->object.first;
+		while (ob) {
+			ob->col[3]= 1.0;
+			ob= ob->id.next;
+		}
+
+		/* added alpha in obcolor */
+		ob= main->object.first;
+		while (ob) {
+			act= ob->actuators.first;
+			while (act) {
+				if (act->type==ACT_OBJECT) {
+					/* multiply velocity with 50 in old files */
+					oa= act->data;
+					if (fabsf(oa->linearvelocity[0]) >= 0.01f)
+						oa->linearvelocity[0] *= 50.0f;
+					if (fabsf(oa->linearvelocity[1]) >= 0.01f)
+						oa->linearvelocity[1] *= 50.0f;
+					if (fabsf(oa->linearvelocity[2]) >= 0.01f)
+						oa->linearvelocity[2] *= 50.0f;
+					if (fabsf(oa->angularvelocity[0])>=0.01f)
+						oa->angularvelocity[0] *= 50.0f;
+					if (fabsf(oa->angularvelocity[1])>=0.01f)
+						oa->angularvelocity[1] *= 50.0f;
+					if (fabsf(oa->angularvelocity[2])>=0.01f)
+						oa->angularvelocity[2] *= 50.0f;
+				}
+				act= act->next;
+			}
+			ob= ob->id.next;
+		}
+	}
+
+	if (main->versionfile <= 212) {
+
+		bSound* sound;
+		bProperty *prop;
+		Object *ob;
+		Mesh *me;
+
+		sound = main->sound.first;
+		while (sound) {
+			sound->max_gain = 1.0;
+			sound->min_gain = 0.0;
+			sound->distance = 1.0;
+
+			if (sound->attenuation > 0.0f)
+				sound->flags |= SOUND_FLAGS_3D;
+			else
+				sound->flags &= ~SOUND_FLAGS_3D;
+
+			sound = sound->id.next;
+		}
+
+		ob = main->object.first;
+
+		while (ob) {
+			prop= ob->prop.first;
+			while (prop) {
+				if (prop->type == GPROP_TIME) {
+					// convert old GPROP_TIME values from int to float
+					*((float *)&prop->data) = (float) prop->data;
+				}
+
+				prop= prop->next;
+			}
+			ob = ob->id.next;
+		}
+
+			/* me->subdiv changed to reflect the actual reparametization
+			 * better, and smeshes were removed - if it was a smesh make
+			 * it a subsurf, and reset the subdiv level because subsurf
+			 * takes a lot more work to calculate.
+			 */
+		for (me= main->mesh.first; me; me= me->id.next) {
+			if (me->flag&ME_SMESH) {
+				me->flag&= ~ME_SMESH;
+				me->flag|= ME_SUBSURF;
+
+				me->subdiv= 1;
+			}
+			else {
+				if (me->subdiv<2)
+					me->subdiv= 1;
+				else
+					me->subdiv--;
+			}
+		}
+	}
+
+	if (main->versionfile <= 220) {
+		Object *ob;
+		Mesh *me;
+
+		ob = main->object.first;
+
+		/* adapt form factor in order to get the 'old' physics
+		 * behavior back...*/
+
+		while (ob) {
+			/* in future, distinguish between different
+			 * object bounding shapes */
+			ob->formfactor = 0.4f;
+			/* patch form factor, note that inertia equiv radius
+			 * of a rotation symmetrical obj */
+			if (ob->inertia != 1.0f) {
+				ob->formfactor /= ob->inertia * ob->inertia;
+			}
+			ob = ob->id.next;
+		}
+
+			/* Began using alpha component of vertex colors, but
+			 * old file vertex colors are undefined, reset them
+			 * to be fully opaque. -zr
+			 */
+		for (me= main->mesh.first; me; me= me->id.next) {
+			if (me->mcol) {
+				int i;
+
+				for (i=0; i<me->totface*4; i++) {
+					MCol *mcol= &me->mcol[i];
+					mcol->a= 255;
+				}
+			}
+			if (me->tface) {
+				int i, j;
+
+				for (i=0; i<me->totface; i++) {
+					TFace *tf= &((TFace*) me->tface)[i];
+
+					for (j=0; j<4; j++) {
+						char *col= (char*) &tf->col[j];
+
+						col[0]= 255;
+					}
+				}
+			}
+		}
+	}
+	if (main->versionfile <= 221) {
+		Scene *sce= main->scene.first;
+
+		// new variables for std-alone player and runtime
+		while (sce) {
+
+			sce->r.xplay= 640;
+			sce->r.yplay= 480;
+			sce->r.freqplay= 60;
+
+			sce= sce->id.next;
+		}
+
+	}
+	if (main->versionfile <= 222) {
+		Scene *sce= main->scene.first;
+
+		// new variables for std-alone player and runtime
+		while (sce) {
+
+			sce->r.depth= 32;
+
+			sce= sce->id.next;
+		}
+	}
+
+
+	if (main->versionfile <= 223) {
+		VFont *vf;
+		Image *ima;
+		Object *ob;
+
+		for (vf= main->vfont.first; vf; vf= vf->id.next) {
+			if (strcmp(vf->name+strlen(vf->name)-6, ".Bfont")==0) {
+				strcpy(vf->name, FO_BUILTIN_NAME);
+			}
+		}
+
+		/* Old textures animate at 25 FPS */
+		for (ima = main->image.first; ima; ima=ima->id.next) {
+			ima->animspeed = 25;
+		}
+
+			/* Zr remapped some keyboard codes to be linear (stupid zr) */
+		for (ob= main->object.first; ob; ob= ob->id.next) {
+			bSensor *sens;
+
+			for (sens= ob->sensors.first; sens; sens= sens->next) {
+				if (sens->type==SENS_KEYBOARD) {
+					bKeyboardSensor *ks= sens->data;
+
+					ks->key= map_223_keybd_code_to_224_keybd_code(ks->key);
+					ks->qual= map_223_keybd_code_to_224_keybd_code(ks->qual);
+					ks->qual2= map_223_keybd_code_to_224_keybd_code(ks->qual2);
+				}
+			}
+		}
+	}
+	if (main->versionfile <= 224) {
+		bSound* sound;
+		Scene *sce;
+		Mesh *me;
+		bScreen *sc;
+
+		for (sound=main->sound.first; sound; sound=sound->id.next) {
+			if (sound->packedfile) {
+				if (sound->newpackedfile == NULL) {
+					sound->newpackedfile = sound->packedfile;
+				}
+				sound->packedfile = NULL;
+			}
+		}
+		/* Make sure that old subsurf meshes don't have zero subdivision level for rendering */
+		for (me=main->mesh.first; me; me=me->id.next) {
+			if ((me->flag & ME_SUBSURF) && (me->subdivr==0))
+				me->subdivr=me->subdiv;
+		}
+
+		for (sce= main->scene.first; sce; sce= sce->id.next) {
+			sce->r.stereomode = 1;  // no stereo
+		}
+
+			/* some oldfile patch, moved from set_func_space */
+		for (sc= main->screen.first; sc; sc= sc->id.next) {
+			ScrArea *sa;
+
+			for (sa= sc->areabase.first; sa; sa= sa->next) {
+				SpaceLink *sl;
+
+				for (sl= sa->spacedata.first; sl; sl= sl->next) {
+					if (sl->spacetype==SPACE_IPO) {
+						SpaceSeq *sseq= (SpaceSeq*) sl;
+						sseq->v2d.keeptot= 0;
+					}
+				}
+			}
+		}
+
+	}
+
+
+	if (main->versionfile <= 225) {
+		World *wo;
+		/* Use Sumo for old games */
+		for (wo = main->world.first; wo; wo= wo->id.next) {
+			wo->physicsEngine = 2;
+		}
+	}
+
+	if (main->versionfile <= 227) {
+		Scene *sce;
+		Material *ma;
+		bScreen *sc;
+		Object *ob;
+
+		/* As of now, this insures that the transition from the old Track system
+		 * to the new full constraint Track is painless for everyone. - theeth
+		 */
+		ob = main->object.first;
+
+		while (ob) {
+			ListBase *list;
+			list = &ob->constraints;
+
+			/* check for already existing TrackTo constraint
+			 * set their track and up flag correctly */
+
+			if (list) {
+				bConstraint *curcon;
+				for (curcon = list->first; curcon; curcon=curcon->next) {
+					if (curcon->type == CONSTRAINT_TYPE_TRACKTO) {
+						bTrackToConstraint *data = curcon->data;
+						data->reserved1 = ob->trackflag;
+						data->reserved2 = ob->upflag;
+					}
+				}
+			}
+
+			if (ob->type == OB_ARMATURE) {
+				if (ob->pose) {
+					bConstraint *curcon;
+					bPoseChannel *pchan;
+					for (pchan = ob->pose->chanbase.first;
+						 pchan; pchan=pchan->next) {
+						for (curcon = pchan->constraints.first;
+							 curcon; curcon=curcon->next) {
+							if (curcon->type == CONSTRAINT_TYPE_TRACKTO) {
+								bTrackToConstraint *data = curcon->data;
+								data->reserved1 = ob->trackflag;
+								data->reserved2 = ob->upflag;
+							}
+						}
+					}
+				}
+			}
+
+			/* Change Ob->Track in real TrackTo constraint */
+			blo_do_version_old_trackto_to_constraints(ob);
+			
+			ob = ob->id.next;
+		}
+
+
+		for (sce= main->scene.first; sce; sce= sce->id.next) {
+			sce->audio.mixrate = 44100;
+			sce->audio.flag |= AUDIO_SCRUB;
+			sce->r.mode |= R_ENVMAP;
+		}
+		// init new shader vars
+		for (ma= main->mat.first; ma; ma= ma->id.next) {
+			ma->refrac= 4.0f;
+			ma->roughness= 0.5f;
+			ma->param[0]= 0.5f;
+			ma->param[1]= 0.1f;
+			ma->param[2]= 0.1f;
+			ma->param[3]= 0.05f;
+		}
+		// patch for old wrong max view2d settings, allows zooming out more
+		for (sc= main->screen.first; sc; sc= sc->id.next) {
+			ScrArea *sa;
+
+			for (sa= sc->areabase.first; sa; sa= sa->next) {
+				SpaceLink *sl;
+
+				for (sl= sa->spacedata.first; sl; sl= sl->next) {
+					if (sl->spacetype==SPACE_ACTION) {
+						SpaceAction *sac= (SpaceAction *) sl;
+						sac->v2d.max[0]= 32000;
+					}
+					else if (sl->spacetype==SPACE_NLA) {
+						SpaceNla *sla= (SpaceNla *) sl;
+						sla->v2d.max[0]= 32000;
+					}
+				}
+			}
+		}
+	}
+	if (main->versionfile <= 228) {
+		Scene *sce;
+		bScreen *sc;
+		Object *ob;
+
+
+		/* As of now, this insures that the transition from the old Track system
+		 * to the new full constraint Track is painless for everyone.*/
+		ob = main->object.first;
+
+		while (ob) {
+			ListBase *list;
+			list = &ob->constraints;
+
+			/* check for already existing TrackTo constraint
+			 * set their track and up flag correctly */
+
+			if (list) {
+				bConstraint *curcon;
+				for (curcon = list->first; curcon; curcon=curcon->next) {
+					if (curcon->type == CONSTRAINT_TYPE_TRACKTO) {
+						bTrackToConstraint *data = curcon->data;
+						data->reserved1 = ob->trackflag;
+						data->reserved2 = ob->upflag;
+					}
+				}
+			}
+
+			if (ob->type == OB_ARMATURE) {
+				if (ob->pose) {
+					bConstraint *curcon;
+					bPoseChannel *pchan;
+					for (pchan = ob->pose->chanbase.first;
+						 pchan; pchan=pchan->next) {
+						for (curcon = pchan->constraints.first;
+							 curcon; curcon=curcon->next) {
+							if (curcon->type == CONSTRAINT_TYPE_TRACKTO) {
+								bTrackToConstraint *data = curcon->data;
+								data->reserved1 = ob->trackflag;
+								data->reserved2 = ob->upflag;
+							}
+						}
+					}
+				}
+			}
+
+			ob = ob->id.next;
+		}
+
+		for (sce= main->scene.first; sce; sce= sce->id.next) {
+			sce->r.mode |= R_ENVMAP;
+		}
+
+		// convert old mainb values for new button panels
+		for (sc= main->screen.first; sc; sc= sc->id.next) {
+			ScrArea *sa;
+
+			for (sa= sc->areabase.first; sa; sa= sa->next) {
+				SpaceLink *sl;
+
+				for (sl= sa->spacedata.first; sl; sl= sl->next) {
+					if (sl->spacetype==SPACE_BUTS) {
+						SpaceButs *sbuts= (SpaceButs *) sl;
+
+						sbuts->v2d.maxzoom= 1.2f;
+						sbuts->align= 1;	/* horizontal default */
+					
+						if (sbuts->mainb==BUTS_LAMP) {
+							sbuts->mainb= CONTEXT_SHADING;
+							//sbuts->tab[CONTEXT_SHADING]= TAB_SHADING_LAMP;
+						}
+						else if (sbuts->mainb==BUTS_MAT) {
+							sbuts->mainb= CONTEXT_SHADING;
+							//sbuts->tab[CONTEXT_SHADING]= TAB_SHADING_MAT;
+						}
+						else if (sbuts->mainb==BUTS_TEX) {
+							sbuts->mainb= CONTEXT_SHADING;
+							//sbuts->tab[CONTEXT_SHADING]= TAB_SHADING_TEX;
+						}
+						else if (sbuts->mainb==BUTS_ANIM) {
+							sbuts->mainb= CONTEXT_OBJECT;
+						}
+						else if (sbuts->mainb==BUTS_WORLD) {
+							sbuts->mainb= CONTEXT_SCENE;
+							//sbuts->tab[CONTEXT_SCENE]= TAB_SCENE_WORLD;
+						}
+						else if (sbuts->mainb==BUTS_RENDER) {
+							sbuts->mainb= CONTEXT_SCENE;
+							//sbuts->tab[CONTEXT_SCENE]= TAB_SCENE_RENDER;
+						}
+						else if (sbuts->mainb==BUTS_GAME) {
+							sbuts->mainb= CONTEXT_LOGIC;
+						}
+						else if (sbuts->mainb==BUTS_FPAINT) {
+							sbuts->mainb= CONTEXT_EDITING;
+						}
+						else if (sbuts->mainb==BUTS_RADIO) {
+							sbuts->mainb= CONTEXT_SHADING;
+							//sbuts->tab[CONTEXT_SHADING]= TAB_SHADING_RAD;
+						}
+						else if (sbuts->mainb==BUTS_CONSTRAINT) {
+							sbuts->mainb= CONTEXT_OBJECT;
+						}
+						else if (sbuts->mainb==BUTS_SCRIPT) {
+							sbuts->mainb= CONTEXT_OBJECT;
+						}
+						else if (sbuts->mainb==BUTS_EDIT) {
+							sbuts->mainb= CONTEXT_EDITING;
+						}
+						else sbuts->mainb= CONTEXT_SCENE;
+					}
+				}
+			}
+		}
+	}
+	/* ton: made this 230 instead of 229,
+	 * to be sure (tuho files) and this is a reliable check anyway
+	 * nevertheless, we might need to think over a fitness (initialize)
+	 * check apart from the do_versions() */
+
+	if (main->versionfile <= 230) {
+		bScreen *sc;
+
+		// new variable blockscale, for panels in any area
+		for (sc= main->screen.first; sc; sc= sc->id.next) {
+			ScrArea *sa;
+
+			for (sa= sc->areabase.first; sa; sa= sa->next) {
+				SpaceLink *sl;
+
+				for (sl= sa->spacedata.first; sl; sl= sl->next) {
+					if (sl->blockscale==0.0f) sl->blockscale= 0.7f;
+					/* added: 5x better zoom in for action */
+					if (sl->spacetype==SPACE_ACTION) {
+						SpaceAction *sac= (SpaceAction *)sl;
+						sac->v2d.maxzoom= 50;
+					}
+				}
+			}
+		}
+	}
+	if (main->versionfile <= 231) {
+		/* new bit flags for showing/hiding grid floor and axes */
+		bScreen *sc = main->screen.first;
+		while (sc) {
+			ScrArea *sa= sc->areabase.first;
+			while (sa) {
+				SpaceLink *sl= sa->spacedata.first;
+				while (sl) {
+					if (sl->spacetype==SPACE_VIEW3D) {
+						View3D *v3d= (View3D*) sl;
+
+						if (v3d->gridflag==0) {
+							v3d->gridflag |= V3D_SHOW_X;
+							v3d->gridflag |= V3D_SHOW_Y;
+							v3d->gridflag |= V3D_SHOW_FLOOR;
+							v3d->gridflag &= ~V3D_SHOW_Z;
+						}
+					}
+					sl= sl->next;
+				}
+				sa= sa->next;
+			}
+			sc= sc->id.next;
+		}
+	}
+	if (main->versionfile <= 231) {
+		Material *ma= main->mat.first;
+		bScreen *sc = main->screen.first;
+		Scene *sce;
+		Lamp *la;
+		World *wrld;
+
+		/* introduction of raytrace */
+		while (ma) {
+			if (ma->fresnel_tra_i==0.0f) ma->fresnel_tra_i= 1.25f;
+			if (ma->fresnel_mir_i==0.0f) ma->fresnel_mir_i= 1.25f;
+
+			ma->ang= 1.0;
+			ma->ray_depth= 2;
+			ma->ray_depth_tra= 2;
+			ma->fresnel_tra= 0.0;
+			ma->fresnel_mir= 0.0;
+
+			ma= ma->id.next;
+		}
+		sce= main->scene.first;
+		while (sce) {
+			if (sce->r.gauss==0.0f) sce->r.gauss= 1.0f;
+			sce= sce->id.next;
+		}
+		la= main->lamp.first;
+		while (la) {
+			if (la->k==0.0f) la->k= 1.0;
+			if (la->ray_samp==0) la->ray_samp= 1;
+			if (la->ray_sampy==0) la->ray_sampy= 1;
+			if (la->ray_sampz==0) la->ray_sampz= 1;
+			if (la->area_size==0.0f) la->area_size= 1.0f;
+			if (la->area_sizey==0.0f) la->area_sizey= 1.0f;
+			if (la->area_sizez==0.0f) la->area_sizez= 1.0f;
+			la= la->id.next;
+		}
+		wrld= main->world.first;
+		while (wrld) {
+			if (wrld->range==0.0f) {
+				wrld->range= 1.0f/wrld->exposure;
+			}
+			wrld= wrld->id.next;
+		}
+
+		/* new bit flags for showing/hiding grid floor and axes */
+
+		while (sc) {
+			ScrArea *sa= sc->areabase.first;
+			while (sa) {
+				SpaceLink *sl= sa->spacedata.first;
+				while (sl) {
+					if (sl->spacetype==SPACE_VIEW3D) {
+						View3D *v3d= (View3D*) sl;
+
+						if (v3d->gridflag==0) {
+							v3d->gridflag |= V3D_SHOW_X;
+							v3d->gridflag |= V3D_SHOW_Y;
+							v3d->gridflag |= V3D_SHOW_FLOOR;
+							v3d->gridflag &= ~V3D_SHOW_Z;
+						}
+					}
+					sl= sl->next;
+				}
+				sa= sa->next;
+			}
+			sc= sc->id.next;
+		}
+	}
+	if (main->versionfile <= 232) {
+		Tex *tex= main->tex.first;
+		World *wrld= main->world.first;
+		bScreen *sc;
+		Scene *sce;
+
+		while (tex) {
+			if ((tex->flag & (TEX_CHECKER_ODD+TEX_CHECKER_EVEN))==0) {
+				tex->flag |= TEX_CHECKER_ODD;
+			}
+			/* copied from kernel texture.c */
+			if (tex->ns_outscale==0.0f) {
+				/* musgrave */
+				tex->mg_H = 1.0f;
+				tex->mg_lacunarity = 2.0f;
+				tex->mg_octaves = 2.0f;
+				tex->mg_offset = 1.0f;
+				tex->mg_gain = 1.0f;
+				tex->ns_outscale = 1.0f;
+				/* distnoise */
+				tex->dist_amount = 1.0f;
+				/* voronoi */
+				tex->vn_w1 = 1.0f;
+				tex->vn_mexp = 2.5f;
+			}
+			tex= tex->id.next;
+		}
+
+		while (wrld) {
+			if (wrld->aodist==0.0f) {
+				wrld->aodist= 10.0f;
+				wrld->aobias= 0.05f;
+			}
+			if (wrld->aosamp==0) wrld->aosamp= 5;
+			if (wrld->aoenergy==0.0f) wrld->aoenergy= 1.0f;
+			wrld= wrld->id.next;
+		}
+
+
+		// new variable blockscale, for panels in any area, do again because new
+		// areas didnt initialize it to 0.7 yet
+		for (sc= main->screen.first; sc; sc= sc->id.next) {
+			ScrArea *sa;
+			for (sa= sc->areabase.first; sa; sa= sa->next) {
+				SpaceLink *sl;
+				for (sl= sa->spacedata.first; sl; sl= sl->next) {
+					if (sl->blockscale==0.0f) sl->blockscale= 0.7f;
+
+					/* added: 5x better zoom in for nla */
+					if (sl->spacetype==SPACE_NLA) {
+						SpaceNla *snla= (SpaceNla *)sl;
+						snla->v2d.maxzoom= 50;
+					}
+				}
+			}
+		}
+		sce= main->scene.first;
+		while (sce) {
+			if (sce->r.ocres==0) sce->r.ocres= 64;
+			sce= sce->id.next;
+		}
+
+	}
+	if (main->versionfile <= 233) {
+		bScreen *sc;
+		Material *ma= main->mat.first;
+		/* Object *ob= main->object.first; */
+		
+		while (ma) {
+			if (ma->rampfac_col==0.0f) ma->rampfac_col= 1.0;
+			if (ma->rampfac_spec==0.0f) ma->rampfac_spec= 1.0;
+			if (ma->pr_lamp==0) ma->pr_lamp= 3;
+			ma= ma->id.next;
+		}
+		
+		/* this should have been done loooong before! */
+#if 0   /* deprecated in 2.5+ */
+		while (ob) {
+			if (ob->ipowin==0) ob->ipowin= ID_OB;
+			ob= ob->id.next;
+		}
+#endif
+		for (sc= main->screen.first; sc; sc= sc->id.next) {
+			ScrArea *sa;
+			for (sa= sc->areabase.first; sa; sa= sa->next) {
+				SpaceLink *sl;
+				for (sl= sa->spacedata.first; sl; sl= sl->next) {
+					if (sl->spacetype==SPACE_VIEW3D) {
+						View3D *v3d= (View3D *)sl;
+						v3d->flag |= V3D_SELECT_OUTLINE;
+					}
+				}
+			}
+		}
+	}
+
+
+	
+
+	if (main->versionfile <= 234) {
+		World *wo;
+		bScreen *sc;
+		
+		// force sumo engine to be active
+		for (wo = main->world.first; wo; wo= wo->id.next) {
+			if (wo->physicsEngine==0) wo->physicsEngine = 2;
+		}
+		
+		for (sc= main->screen.first; sc; sc= sc->id.next) {
+			ScrArea *sa;
+			for (sa= sc->areabase.first; sa; sa= sa->next) {
+				SpaceLink *sl;
+				for (sl= sa->spacedata.first; sl; sl= sl->next) {
+					if (sl->spacetype==SPACE_VIEW3D) {
+						View3D *v3d= (View3D *)sl;
+						v3d->flag |= V3D_ZBUF_SELECT;
+					}
+					else if (sl->spacetype==SPACE_TEXT) {
+						SpaceText *st= (SpaceText *)sl;
+						if (st->tabnumber==0) st->tabnumber= 2;
+					}
+				}
+			}
+		}
+	}
+	if (main->versionfile <= 235) {
+		Tex *tex= main->tex.first;
+		Scene *sce= main->scene.first;
+		Sequence *seq;
+		Editing *ed;
+		
+		while (tex) {
+			if (tex->nabla==0.0f) tex->nabla= 0.025f;
+			tex= tex->id.next;
+		}
+		while (sce) {
+			ed= sce->ed;
+			if (ed) {
+				SEQ_BEGIN (sce->ed, seq)
+				{
+					if (seq->type==SEQ_IMAGE || seq->type==SEQ_MOVIE)
+						seq->flag |= SEQ_MAKE_PREMUL;
+				}
+				SEQ_END
+			}
+			
+			sce= sce->id.next;
+		}
+	}
+	if (main->versionfile <= 236) {
+		Object *ob;
+		Camera *cam= main->camera.first;
+		Material *ma;
+		bScreen *sc;
+
+		while (cam) {
+			if (cam->ortho_scale==0.0f) {
+				cam->ortho_scale= 256.0f/cam->lens;
+				if (cam->type==CAM_ORTHO) printf("NOTE: ortho render has changed, tweak new Camera 'scale' value.\n");
+			}
+			cam= cam->id.next;
+		}
+		/* set manipulator type */
+		/* force oops draw if depgraph was set*/
+		/* set time line var */
+		for (sc= main->screen.first; sc; sc= sc->id.next) {
+			ScrArea *sa;
+			for (sa= sc->areabase.first; sa; sa= sa->next) {
+				SpaceLink *sl;
+				for (sl= sa->spacedata.first; sl; sl= sl->next) {
+					if (sl->spacetype==SPACE_VIEW3D) {
+						View3D *v3d= (View3D *)sl;
+						if (v3d->twtype==0) v3d->twtype= V3D_MANIP_TRANSLATE;
+					}
+				}
+			}
+		}
+		// init new shader vars
+		for (ma= main->mat.first; ma; ma= ma->id.next) {
+			if (ma->darkness==0.0f) {
+				ma->rms=0.1f;
+				ma->darkness=1.0f;
+			}
+		}
+		
+		/* softbody init new vars */
+		for (ob= main->object.first; ob; ob= ob->id.next) {
+			if (ob->soft) {
+				if (ob->soft->defgoal==0.0f) ob->soft->defgoal= 0.7f;
+				if (ob->soft->physics_speed==0.0f) ob->soft->physics_speed= 1.0f;
+				
+				if (ob->soft->interval==0) {
+					ob->soft->interval= 2;
+					ob->soft->sfra= 1;
+					ob->soft->efra= 100;
+				}
+			}
+			if (ob->soft && ob->soft->vertgroup==0) {
+				bDeformGroup *locGroup = defgroup_find_name(ob, "SOFTGOAL");
+				if (locGroup) {
+					/* retrieve index for that group */
+					ob->soft->vertgroup =  1 + BLI_findindex(&ob->defbase, locGroup);
+				}
+			}
+		}
+	}
+	if (main->versionfile <= 237) {
+		bArmature *arm;
+		bConstraint *con;
+		Object *ob;
+		Bone *bone;
+		
+		// armature recode checks 
+		for (arm= main->armature.first; arm; arm= arm->id.next) {
+			where_is_armature(arm);
+
+			for (bone= arm->bonebase.first; bone; bone= bone->next)
+				do_version_bone_head_tail_237(bone);
+		}
+		for (ob= main->object.first; ob; ob= ob->id.next) {
+			if (ob->parent) {
+				Object *parent= blo_do_versions_newlibadr(fd, lib, ob->parent);
+				if (parent && parent->type==OB_LATTICE)
+					ob->partype = PARSKEL;
+			}
+
+			// btw. armature_rebuild_pose is further only called on leave editmode
+			if (ob->type==OB_ARMATURE) {
+				if (ob->pose)
+					ob->pose->flag |= POSE_RECALC;
+				ob->recalc |= OB_RECALC_OB|OB_RECALC_DATA|OB_RECALC_TIME;	// cannot call stuff now (pointers!), done in setup_app_data
+
+				/* new generic xray option */
+				arm= blo_do_versions_newlibadr(fd, lib, ob->data);
+				if (arm->flag & ARM_DRAWXRAY) {
+					ob->dtx |= OB_DRAWXRAY;
+				}
+			}
+			else if (ob->type==OB_MESH) {
+				Mesh *me = blo_do_versions_newlibadr(fd, lib, ob->data);
+				
+				if ((me->flag&ME_SUBSURF)) {
+					SubsurfModifierData *smd = (SubsurfModifierData*) modifier_new(eModifierType_Subsurf);
+					
+					smd->levels = MAX2(1, me->subdiv);
+					smd->renderLevels = MAX2(1, me->subdivr);
+					smd->subdivType = me->subsurftype;
+					
+					smd->modifier.mode = 0;
+					if (me->subdiv!=0)
+						smd->modifier.mode |= 1;
+					if (me->subdivr!=0)
+						smd->modifier.mode |= 2;
+					if (me->flag&ME_OPT_EDGES)
+						smd->flags |= eSubsurfModifierFlag_ControlEdges;
+					
+					BLI_addtail(&ob->modifiers, smd);
+					
+					modifier_unique_name(&ob->modifiers, (ModifierData*)smd);
+				}
+			}
+			
+			// follow path constraint needs to set the 'path' option in curves...
+			for (con=ob->constraints.first; con; con= con->next) {
+				if (con->type==CONSTRAINT_TYPE_FOLLOWPATH) {
+					bFollowPathConstraint *data = con->data;
+					Object *obc= blo_do_versions_newlibadr(fd, lib, data->tar);
+					
+					if (obc && obc->type==OB_CURVE) {
+						Curve *cu= blo_do_versions_newlibadr(fd, lib, obc->data);
+						if (cu) cu->flag |= CU_PATH;
+					}
+				}
+			}
+		}
+	}
+	if (main->versionfile <= 238) {
+		Lattice *lt;
+		Object *ob;
+		bArmature *arm;
+		Mesh *me;
+		Key *key;
+		Scene *sce= main->scene.first;
+
+		while (sce) {
+			if (sce->toolsettings == NULL) {
+				sce->toolsettings = MEM_callocN(sizeof(struct ToolSettings), "Tool Settings Struct");
+				sce->toolsettings->cornertype=0;
+				sce->toolsettings->degr = 90; 
+				sce->toolsettings->step = 9;
+				sce->toolsettings->turn = 1; 				
+				sce->toolsettings->extr_offs = 1; 
+				sce->toolsettings->doublimit = 0.001f;
+				sce->toolsettings->segments = 32;
+				sce->toolsettings->rings = 32;
+				sce->toolsettings->vertices = 32;
+			}
+			sce= sce->id.next;	
+		}
+
+		for (lt=main->latt.first; lt; lt=lt->id.next) {
+			if (lt->fu==0.0f && lt->fv==0.0f && lt->fw==0.0f) {
+				calc_lat_fudu(lt->flag, lt->pntsu, &lt->fu, &lt->du);
+				calc_lat_fudu(lt->flag, lt->pntsv, &lt->fv, &lt->dv);
+				calc_lat_fudu(lt->flag, lt->pntsw, &lt->fw, &lt->dw);
+			}
+		}
+
+		for (ob=main->object.first; ob; ob= ob->id.next) {
+			ModifierData *md;
+			PartEff *paf;
+
+			for (md=ob->modifiers.first; md; md=md->next) {
+				if (md->type==eModifierType_Subsurf) {
+					SubsurfModifierData *smd = (SubsurfModifierData*) md;
+
+					smd->flags &= ~(eSubsurfModifierFlag_Incremental|eSubsurfModifierFlag_DebugIncr);
+				}
+			}
+
+			if ((ob->softflag&OB_SB_ENABLE) && !modifiers_findByType(ob, eModifierType_Softbody)) {
+				if (ob->softflag&OB_SB_POSTDEF) {
+					md = ob->modifiers.first;
+
+					while (md && modifierType_getInfo(md->type)->type==eModifierTypeType_OnlyDeform) {
+						md = md->next;
+					}
+
+					BLI_insertlinkbefore(&ob->modifiers, md, modifier_new(eModifierType_Softbody));
+				}
+				else {
+					BLI_addhead(&ob->modifiers, modifier_new(eModifierType_Softbody));
+				}
+
+				ob->softflag &= ~OB_SB_ENABLE;
+			}
+			if (ob->pose) {
+				bPoseChannel *pchan;
+				bConstraint *con;
+				for (pchan= ob->pose->chanbase.first; pchan; pchan= pchan->next) {
+					// note, pchan->bone is also lib-link stuff
+					if (pchan->limitmin[0] == 0.0f && pchan->limitmax[0] == 0.0f) {
+						pchan->limitmin[0]= pchan->limitmin[1]= pchan->limitmin[2]= -180.0f;
+						pchan->limitmax[0]= pchan->limitmax[1]= pchan->limitmax[2]= 180.0f;
+						
+						for (con= pchan->constraints.first; con; con= con->next) {
+							if (con->type == CONSTRAINT_TYPE_KINEMATIC) {
+								bKinematicConstraint *data = (bKinematicConstraint*)con->data;
+								data->weight = 1.0f;
+								data->orientweight = 1.0f;
+								data->flag &= ~CONSTRAINT_IK_ROT;
+								
+								/* enforce conversion from old IK_TOPARENT to rootbone index */
+								data->rootbone= -1;
+								
+								/* update_pose_etc handles rootbone==-1 */
+								ob->pose->flag |= POSE_RECALC;
+							}	
+						}
+					}
+				}
+			}
+
+			paf = blo_do_version_give_parteff_245(ob);
+			if (paf) {
+				if (paf->disp == 0)
+					paf->disp = 100;
+				if (paf->speedtex == 0)
+					paf->speedtex = 8;
+				if (paf->omat == 0)
+					paf->omat = 1;
+			}
+		}
+		
+		for (arm=main->armature.first; arm; arm= arm->id.next) {
+			bone_version_238(&arm->bonebase);
+			arm->deformflag |= ARM_DEF_VGROUP;
+		}
+
+		for (me=main->mesh.first; me; me= me->id.next) {
+			if (!me->medge) {
+				make_edges(me, 1);	/* 1 = use mface->edcode */
+			}
+			else {
+				mesh_strip_loose_faces(me);
+			}
+		}
+		
+		for (key= main->key.first; key; key= key->id.next) {
+			KeyBlock *kb;
+			int index = 1;
+
+			for (kb= key->block.first; kb; kb= kb->next) {
+				if (kb==key->refkey) {
+					if (kb->name[0]==0)
+						strcpy(kb->name, "Basis");
+				}
+				else {
+					if (kb->name[0]==0) {
+						BLI_snprintf(kb->name, sizeof(kb->name), "Key %d", index);
+					}
+					index++;
+				}
+			}
+		}
+	}
+	if (main->versionfile <= 239) {
+		bArmature *arm;
+		Object *ob;
+		Scene *sce= main->scene.first;
+		Camera *cam= main->camera.first;
+		Material *ma= main->mat.first;
+		int set_passepartout= 0;
+		
+		/* deformflag is local in modifier now */
+		for (ob=main->object.first; ob; ob= ob->id.next) {
+			ModifierData *md;
+			
+			for (md=ob->modifiers.first; md; md=md->next) {
+				if (md->type==eModifierType_Armature) {
+					ArmatureModifierData *amd = (ArmatureModifierData*) md;
+					if (amd->object && amd->deformflag==0) {
+						Object *oba= blo_do_versions_newlibadr(fd, lib, amd->object);
+						arm= blo_do_versions_newlibadr(fd, lib, oba->data);
+						amd->deformflag= arm->deformflag;
+					}
+				}
+			}
+		}
+		
+		/* updating stepsize for ghost drawing */
+		for (arm= main->armature.first; arm; arm= arm->id.next) {
+			if (arm->ghostsize==0) arm->ghostsize=1;
+			bone_version_239(&arm->bonebase);
+			if (arm->layer==0) arm->layer= 1;
+		}
+		
+		for (;sce;sce= sce->id.next) {
+			/* make 'innervert' the default subdivide type, for backwards compat */
+			sce->toolsettings->cornertype=1;
+		
+			if (sce->r.scemode & R_PASSEPARTOUT) {
+				set_passepartout= 1;
+				sce->r.scemode &= ~R_PASSEPARTOUT;
+			}
+			/* gauss is filter variable now */
+			if (sce->r.mode & R_GAUSS) {
+				sce->r.filtertype= R_FILTER_GAUSS;
+				sce->r.mode &= ~R_GAUSS;
+			}
+		}
+		
+		for (;cam; cam= cam->id.next) {
+			if (set_passepartout)
+				cam->flag |= CAM_SHOWPASSEPARTOUT;
+			
+			/* make sure old cameras have title safe on */
+			if (!(cam->flag & CAM_SHOWTITLESAFE))
+				cam->flag |= CAM_SHOWTITLESAFE;
+			
+			/* set an appropriate camera passepartout alpha */
+			if (!(cam->passepartalpha)) cam->passepartalpha = 0.2f;
+		}
+		
+		for (; ma; ma= ma->id.next) {
+			if (ma->strand_sta==0.0f) {
+				ma->strand_sta= ma->strand_end= 1.0f;
+				ma->mode |= MA_TANGENT_STR;
+			}
+			if (ma->mode & MA_TRACEBLE) ma->mode |= MA_SHADBUF;
+		}
+	}
+	
+	if (main->versionfile <= 241) {
+		Object *ob;
+		Tex *tex;
+		Scene *sce;
+		World *wo;
+		Lamp *la;
+		Material *ma;
+		bArmature *arm;
+		bNodeTree *ntree;
+		
+		for (wo = main->world.first; wo; wo= wo->id.next) {
+			/* Migrate to Bullet for games, except for the NaN versions */
+			/* People can still explicitly choose for Sumo (after 2.42 is out) */
+			if (main->versionfile > 225)
+				wo->physicsEngine = WOPHY_BULLET;
+			if (WO_AODIST == wo->aomode)
+				wo->aocolor= WO_AOPLAIN;
+		}
+		
+		/* updating layers still */
+		for (arm= main->armature.first; arm; arm= arm->id.next) {
+			bone_version_239(&arm->bonebase);
+			if (arm->layer==0) arm->layer= 1;
+		}
+		for (sce= main->scene.first; sce; sce= sce->id.next) {
+			if (sce->audio.mixrate==0) sce->audio.mixrate= 44100;
+
+			if (sce->r.xparts<2) sce->r.xparts= 4;
+			if (sce->r.yparts<2) sce->r.yparts= 4;
+			/* adds default layer */
+			if (sce->r.layers.first==NULL)
+				scene_add_render_layer(sce, NULL);
+			else {
+				SceneRenderLayer *srl;
+				/* new layer flag for sky, was default for solid */
+				for (srl= sce->r.layers.first; srl; srl= srl->next) {
+					if (srl->layflag & SCE_LAY_SOLID)
+						srl->layflag |= SCE_LAY_SKY;
+					srl->passflag &= (SCE_PASS_COMBINED|SCE_PASS_Z|SCE_PASS_NORMAL|SCE_PASS_VECTOR);
+				}
+			}
+			
+			/* node version changes */
+			if (sce->nodetree)
+				ntree_version_241(sce->nodetree);
+
+			/* uv calculation options moved to toolsettings */
+			if (sce->toolsettings->uvcalc_radius == 0.0f) {
+				sce->toolsettings->uvcalc_radius = 1.0f;
+				sce->toolsettings->uvcalc_cubesize = 1.0f;
+				sce->toolsettings->uvcalc_mapdir = 1;
+				sce->toolsettings->uvcalc_mapalign = 1;
+				sce->toolsettings->uvcalc_flag = UVCALC_FILLHOLES;
+				sce->toolsettings->unwrapper = 1;
+			}
+
+			if (sce->r.mode & R_PANORAMA) {
+				/* all these checks to ensure saved files with svn version keep working... */
+				if (sce->r.xsch < sce->r.ysch) {
+					Object *obc= blo_do_versions_newlibadr(fd, lib, sce->camera);
+					if (obc && obc->type==OB_CAMERA) {
+						Camera *cam= blo_do_versions_newlibadr(fd, lib, obc->data);
+						if (cam->lens>=10.0f) {
+							sce->r.xsch*= sce->r.xparts;
+							cam->lens*= (float)sce->r.ysch/(float)sce->r.xsch;
+						}
+					}
+				}
+			}
+		}
+		
+		for (ntree= main->nodetree.first; ntree; ntree= ntree->id.next)
+			ntree_version_241(ntree);
+		
+		for (la= main->lamp.first; la; la= la->id.next)
+			if (la->buffers==0)
+				la->buffers= 1;
+		
+		for (tex= main->tex.first; tex; tex= tex->id.next) {
+			if (tex->env && tex->env->viewscale==0.0f)
+				tex->env->viewscale= 1.0f;
+//			tex->imaflag |= TEX_GAUSS_MIP;
+		}
+		
+		/* for empty drawsize and drawtype */
+		for (ob=main->object.first; ob; ob= ob->id.next) {
+			if (ob->empty_drawsize==0.0f) {
+				ob->empty_drawtype = OB_ARROWS;
+				ob->empty_drawsize = 1.0;
+			}
+		}
+		
+		for (ma= main->mat.first; ma; ma= ma->id.next) {
+			/* stucci returns intensity from now on */
+			int a;
+			for (a=0; a<MAX_MTEX; a++) {
+				if (ma->mtex[a] && ma->mtex[a]->tex) {
+					tex= blo_do_versions_newlibadr(fd, lib, ma->mtex[a]->tex);
+					if (tex && tex->type==TEX_STUCCI)
+						ma->mtex[a]->mapto &= ~(MAP_COL|MAP_SPEC|MAP_REF);
+				}
+			}
+			/* transmissivity defaults */
+			if (ma->tx_falloff==0.0f) ma->tx_falloff= 1.0f;
+		}
+		
+		/* during 2.41 images with this name were used for viewer node output, lets fix that */
+		if (main->versionfile == 241) {
+			Image *ima;
+			for (ima= main->image.first; ima; ima= ima->id.next)
+				if (strcmp(ima->name, "Compositor")==0) {
+					strcpy(ima->id.name+2, "Viewer Node");
+					strcpy(ima->name, "Viewer Node");
+				}
+		}
+	}
+		
+	if (main->versionfile <= 242) {
+		Scene *sce;
+		bScreen *sc;
+		Object *ob;
+		Curve *cu;
+		Material *ma;
+		Mesh *me;
+		Group *group;
+		Nurb *nu;
+		BezTriple *bezt;
+		BPoint *bp;
+		bNodeTree *ntree;
+		int a;
+		
+		for (sc= main->screen.first; sc; sc= sc->id.next) {
+			ScrArea *sa;
+			sa= sc->areabase.first;
+			while (sa) {
+				SpaceLink *sl;
+
+				for (sl= sa->spacedata.first; sl; sl= sl->next) {
+					if (sl->spacetype==SPACE_VIEW3D) {
+						View3D *v3d= (View3D*) sl;
+						if (v3d->gridsubdiv == 0)
+							v3d->gridsubdiv = 10;
+					}
+				}
+				sa = sa->next;
+			}
+		}
+		
+		for (sce= main->scene.first; sce; sce= sce->id.next) {
+			if (sce->toolsettings->select_thresh == 0.0f)
+				sce->toolsettings->select_thresh= 0.01f;
+			if (sce->toolsettings->clean_thresh == 0.0f) 
+				sce->toolsettings->clean_thresh = 0.1f;
+				
+			if (sce->r.threads==0) {
+				if (sce->r.mode & R_THREADS)
+					sce->r.threads= 2;
+				else
+					sce->r.threads= 1;
+			}
+			if (sce->nodetree)
+				ntree_version_242(sce->nodetree);
+		}
+		
+		for (ntree= main->nodetree.first; ntree; ntree= ntree->id.next)
+			ntree_version_242(ntree);
+		
+		/* add default radius values to old curve points */
+		for (cu= main->curve.first; cu; cu= cu->id.next) {
+			for (nu= cu->nurb.first; nu; nu= nu->next) {
+				if (nu) {
+					if (nu->bezt) {
+						for (bezt=nu->bezt, a=0; a<nu->pntsu; a++, bezt++) {
+							if (!bezt->radius) bezt->radius= 1.0;
+						}
+					}
+					else if (nu->bp) {
+						for (bp=nu->bp, a=0; a<nu->pntsu*nu->pntsv; a++, bp++) {
+							if (!bp->radius) bp->radius= 1.0;
+						}
+					}
+				}
+			}
+		}
+		
+		for (ob = main->object.first; ob; ob= ob->id.next) {
+			ModifierData *md;
+			ListBase *list;
+			list = &ob->constraints;
+
+			/* check for already existing MinMax (floor) constraint
+			 * and update the sticky flagging */
+
+			if (list) {
+				bConstraint *curcon;
+				for (curcon = list->first; curcon; curcon=curcon->next) {
+					switch (curcon->type) {
+						case CONSTRAINT_TYPE_MINMAX:
+						{
+							bMinMaxConstraint *data = curcon->data;
+							if (data->sticky==1) 
+								data->flag |= MINMAX_STICKY;
+							else 
+								data->flag &= ~MINMAX_STICKY;
+						}
+							break;
+						case CONSTRAINT_TYPE_ROTLIKE:
+						{
+							bRotateLikeConstraint *data = curcon->data;
+							
+							/* version patch from buttons_object.c */
+							if (data->flag==0)
+								data->flag = ROTLIKE_X|ROTLIKE_Y|ROTLIKE_Z;
+						}
+							break;
+					}
+				}
+			}
+
+			if (ob->type == OB_ARMATURE) {
+				if (ob->pose) {
+					bConstraint *curcon;
+					bPoseChannel *pchan;
+					for (pchan = ob->pose->chanbase.first; pchan; pchan=pchan->next) {
+						for (curcon = pchan->constraints.first; curcon; curcon=curcon->next) {
+							switch (curcon->type) {
+								case CONSTRAINT_TYPE_MINMAX:
+								{
+									bMinMaxConstraint *data = curcon->data;
+									if (data->sticky==1) 
+										data->flag |= MINMAX_STICKY;
+									else 
+										data->flag &= ~MINMAX_STICKY;
+								}
+									break;
+								case CONSTRAINT_TYPE_KINEMATIC:
+								{
+									bKinematicConstraint *data = curcon->data;
+									if (!(data->flag & CONSTRAINT_IK_POS)) {
+										data->flag |= CONSTRAINT_IK_POS;
+										data->flag |= CONSTRAINT_IK_STRETCH;
+									}
+								}
+									break;
+								case CONSTRAINT_TYPE_ROTLIKE:
+								{
+									bRotateLikeConstraint *data = curcon->data;
+									
+									/* version patch from buttons_object.c */
+									if (data->flag==0)
+										data->flag = ROTLIKE_X|ROTLIKE_Y|ROTLIKE_Z;
+								}
+									break;
+							}
+						}
+					}
+				}
+			}
+			
+			/* copy old object level track settings to curve modifers */
+			for (md=ob->modifiers.first; md; md=md->next) {
+				if (md->type==eModifierType_Curve) {
+					CurveModifierData *cmd = (CurveModifierData*) md;
+
+					if (cmd->defaxis == 0) cmd->defaxis = ob->trackflag+1;
+				}
+			}
+			
+		}
+		
+		for (ma = main->mat.first; ma; ma= ma->id.next) {
+			if (ma->shad_alpha==0.0f)
+				ma->shad_alpha= 1.0f;
+			if (ma->nodetree)
+				ntree_version_242(ma->nodetree);
+		}
+
+		for (me=main->mesh.first; me; me=me->id.next)
+			customdata_version_242(me);
+		
+		for (group= main->group.first; group; group= group->id.next)
+			if (group->layer==0)
+				group->layer= (1<<20)-1;
+
+		/* now, subversion control! */
+		if (main->subversionfile < 3) {
+			Image *ima;
+			Tex *tex;
+			
+			/* Image refactor initialize */
+			for (ima= main->image.first; ima; ima= ima->id.next) {
+				ima->source= IMA_SRC_FILE;
+				ima->type= IMA_TYPE_IMAGE;
+				
+				ima->gen_x= 256; ima->gen_y= 256;
+				ima->gen_type= 1;
+				
+				if (0==strncmp(ima->id.name+2, "Viewer Node", sizeof(ima->id.name)-2)) {
+					ima->source= IMA_SRC_VIEWER;
+					ima->type= IMA_TYPE_COMPOSITE;
+				}
+				if (0==strncmp(ima->id.name+2, "Render Result", sizeof(ima->id.name)-2)) {
+					ima->source= IMA_SRC_VIEWER;
+					ima->type= IMA_TYPE_R_RESULT;
+				}
+				
+			}
+			for (tex= main->tex.first; tex; tex= tex->id.next) {
+				if (tex->type==TEX_IMAGE && tex->ima) {
+					ima= blo_do_versions_newlibadr(fd, lib, tex->ima);
+					if (tex->imaflag & TEX_ANIM5_)
+						ima->source= IMA_SRC_MOVIE;
+					if (tex->imaflag & TEX_FIELDS_)
+						ima->flag |= IMA_FIELDS;
+					if (tex->imaflag & TEX_STD_FIELD_)
+						ima->flag |= IMA_STD_FIELD;
+				}
+				tex->iuser.frames= tex->frames;
+				tex->iuser.fie_ima= (char)tex->fie_ima;
+				tex->iuser.offset= tex->offset;
+				tex->iuser.sfra= tex->sfra;
+				tex->iuser.cycl= (tex->imaflag & TEX_ANIMCYCLIC_)!=0;
+			}
+			for (sce= main->scene.first; sce; sce= sce->id.next) {
+				if (sce->nodetree)
+					do_version_ntree_242_2(sce->nodetree);
+			}
+			for (ntree= main->nodetree.first; ntree; ntree= ntree->id.next)
+				do_version_ntree_242_2(ntree);
+			for (ma = main->mat.first; ma; ma= ma->id.next)
+				if (ma->nodetree)
+					do_version_ntree_242_2(ma->nodetree);
+			
+			for (sc= main->screen.first; sc; sc= sc->id.next) {
+				ScrArea *sa;
+				for (sa= sc->areabase.first; sa; sa= sa->next) {
+					SpaceLink *sl;
+					for (sl= sa->spacedata.first; sl; sl= sl->next) {
+						if (sl->spacetype==SPACE_IMAGE)
+							((SpaceImage *)sl)->iuser.fie_ima= 2;
+						else if (sl->spacetype==SPACE_VIEW3D) {
+							View3D *v3d= (View3D *)sl;
+							BGpic *bgpic;
+							for (bgpic= v3d->bgpicbase.first; bgpic; bgpic= bgpic->next)
+								bgpic->iuser.fie_ima= 2;
+						}
+					}
+				}
+			}
+		}
+		
+		if (main->subversionfile < 4) {
+			for (sce= main->scene.first; sce; sce= sce->id.next) {
+				sce->r.bake_mode= 1;	/* prevent to include render stuff here */
+				sce->r.bake_filter= 2;
+				sce->r.bake_osa= 5;
+				sce->r.bake_flag= R_BAKE_CLEAR;
+			}
+		}
+
+		if (main->subversionfile < 5) {
+			for (sce= main->scene.first; sce; sce= sce->id.next) {
+				/* improved triangle to quad conversion settings */
+				if (sce->toolsettings->jointrilimit==0.0f)
+					sce->toolsettings->jointrilimit= 0.8f;
+			}
+		}
+	}
+	if (main->versionfile <= 243) {
+		Object *ob= main->object.first;
+		Material *ma;
+
+		for (ma=main->mat.first; ma; ma= ma->id.next) {
+			if (ma->sss_scale==0.0f) {
+				ma->sss_radius[0]= 1.0f;
+				ma->sss_radius[1]= 1.0f;
+				ma->sss_radius[2]= 1.0f;
+				ma->sss_col[0]= 0.8f;
+				ma->sss_col[1]= 0.8f;
+				ma->sss_col[2]= 0.8f;
+				ma->sss_error= 0.05f;
+				ma->sss_scale= 0.1f;
+				ma->sss_ior= 1.3f;
+				ma->sss_colfac= 1.0f;
+				ma->sss_texfac= 0.0f;
+			}
+			if (ma->sss_front==0 && ma->sss_back==0) {
+				ma->sss_front= 1.0f;
+				ma->sss_back= 1.0f;
+			}
+			if (ma->sss_col[0]==0 && ma->sss_col[1]==0 && ma->sss_col[2]==0) {
+				ma->sss_col[0]= ma->r;
+				ma->sss_col[1]= ma->g;
+				ma->sss_col[2]= ma->b;
+			}
+		}
+		
+		for (; ob; ob= ob->id.next) {
+			bDeformGroup *curdef;
+			
+			for (curdef= ob->defbase.first; curdef; curdef=curdef->next) {
+				/* replace an empty-string name with unique name */
+				if (curdef->name[0] == '\0') {
+					defgroup_unique_name(curdef, ob);
+				}
+			}
+
+			if (main->versionfile < 243 || main->subversionfile < 1) {
+				ModifierData *md;
+
+				/* translate old mirror modifier axis values to new flags */
+				for (md=ob->modifiers.first; md; md=md->next) {
+					if (md->type==eModifierType_Mirror) {
+						MirrorModifierData *mmd = (MirrorModifierData*) md;
+
+						switch (mmd->axis) {
+							case 0:
+								mmd->flag |= MOD_MIR_AXIS_X;
+								break;
+							case 1:
+								mmd->flag |= MOD_MIR_AXIS_Y;
+								break;
+							case 2:
+								mmd->flag |= MOD_MIR_AXIS_Z;
+								break;
+						}
+
+						mmd->axis = 0;
+					}
+				}
+			}
+		}
+		
+		/* render layer added, this is not the active layer */
+		if (main->versionfile <= 243 || main->subversionfile < 2) {
+			Mesh *me;
+			for (me=main->mesh.first; me; me=me->id.next)
+				customdata_version_243(me);
+		}		
+
+	}
+	
+	if (main->versionfile <= 244) {
+		Scene *sce;
+		bScreen *sc;
+		Lamp *la;
+		World *wrld;
+		
+		if (main->versionfile != 244 || main->subversionfile < 2) {
+			for (sce= main->scene.first; sce; sce= sce->id.next)
+				sce->r.mode |= R_SSS;
+
+			/* correct older action editors - incorrect scrolling */
+			for (sc= main->screen.first; sc; sc= sc->id.next) {
+				ScrArea *sa;
+				sa= sc->areabase.first;
+				while (sa) {
+					SpaceLink *sl;
+
+					for (sl= sa->spacedata.first; sl; sl= sl->next) {
+						if (sl->spacetype==SPACE_ACTION) {
+							SpaceAction *saction= (SpaceAction*) sl;
+							
+							saction->v2d.tot.ymin = -1000.0;
+							saction->v2d.tot.ymax = 0.0;
+							
+							saction->v2d.cur.ymin = -75.0;
+							saction->v2d.cur.ymax = 5.0;
+						}
+					}
+					sa = sa->next;
+				}
+			}
+		}
+		if (main->versionfile != 244 || main->subversionfile < 3) {	
+			/* constraints recode version patch used to be here. Moved to 245 now... */
+			
+			
+			for (wrld=main->world.first; wrld; wrld= wrld->id.next) {
+				if (wrld->mode & WO_AMB_OCC)
+					wrld->ao_samp_method = WO_AOSAMP_CONSTANT;
+				else
+					wrld->ao_samp_method = WO_AOSAMP_HAMMERSLEY;
+				
+				wrld->ao_adapt_thresh = 0.005f;
+			}
+			
+			for (la=main->lamp.first; la; la= la->id.next) {
+				if (la->type == LA_AREA)
+					la->ray_samp_method = LA_SAMP_CONSTANT;
+				else
+					la->ray_samp_method = LA_SAMP_HALTON;
+				
+				la->adapt_thresh = 0.001f;
+			}
+		}
+	}
+	if (main->versionfile <= 245) {
+		Scene *sce;
+		Object *ob;
+		Image *ima;
+		Lamp *la;
+		Material *ma;
+		ParticleSettings *part;
+		World *wrld;
+		Mesh *me;
+		bNodeTree *ntree;
+		Tex *tex;
+		ModifierData *md;
+		ParticleSystem *psys;
+		
+		/* unless the file was created 2.44.3 but not 2.45, update the constraints */
+		if ( !(main->versionfile==244 && main->subversionfile==3) &&
+			 ((main->versionfile<245) || (main->versionfile==245 && main->subversionfile==0)) ) 
+		{
+			for (ob = main->object.first; ob; ob= ob->id.next) {
+				ListBase *list;
+				list = &ob->constraints;
+				
+				/* fix up constraints due to constraint recode changes (originally at 2.44.3) */
+				if (list) {
+					bConstraint *curcon;
+					for (curcon = list->first; curcon; curcon=curcon->next) {
+						/* old CONSTRAINT_LOCAL check -> convert to CONSTRAINT_SPACE_LOCAL */
+						if (curcon->flag & 0x20) {
+							curcon->ownspace = CONSTRAINT_SPACE_LOCAL;
+							curcon->tarspace = CONSTRAINT_SPACE_LOCAL;
+						}
+						
+						switch (curcon->type) {
+							case CONSTRAINT_TYPE_LOCLIMIT:
+							{
+								bLocLimitConstraint *data= (bLocLimitConstraint *)curcon->data;
+								
+								/* old limit without parent option for objects */
+								if (data->flag2)
+									curcon->ownspace = CONSTRAINT_SPACE_LOCAL;
+							}
+								break;
+						}	
+					}
+				}
+				
+				/* correctly initialize constinv matrix */
+				unit_m4(ob->constinv);
+				
+				if (ob->type == OB_ARMATURE) {
+					if (ob->pose) {
+						bConstraint *curcon;
+						bPoseChannel *pchan;
+						
+						for (pchan = ob->pose->chanbase.first; pchan; pchan=pchan->next) {
+							/* make sure constraints are all up to date */
+							for (curcon = pchan->constraints.first; curcon; curcon=curcon->next) {
+								/* old CONSTRAINT_LOCAL check -> convert to CONSTRAINT_SPACE_LOCAL */
+								if (curcon->flag & 0x20) {
+									curcon->ownspace = CONSTRAINT_SPACE_LOCAL;
+									curcon->tarspace = CONSTRAINT_SPACE_LOCAL;
+								}
+								
+								switch (curcon->type) {
+									case CONSTRAINT_TYPE_ACTION:
+									{
+										bActionConstraint *data= (bActionConstraint *)curcon->data;
+										
+										/* 'data->local' used to mean that target was in local-space */
+										if (data->local)
+											curcon->tarspace = CONSTRAINT_SPACE_LOCAL;
+									}							
+										break;
+								}
+							}
+							
+							/* correctly initialize constinv matrix */
+							unit_m4(pchan->constinv);
+						}
+					}
+				}
+			}
+		}
+		
+		/* fix all versions before 2.45 */
+		if (main->versionfile != 245) {
+
+			/* repair preview from 242 - 244*/
+			for (ima= main->image.first; ima; ima= ima->id.next) {
+				ima->preview = NULL;
+			}
+		}
+
+		/* add point caches */
+		for (ob=main->object.first; ob; ob=ob->id.next) {
+			if (ob->soft && !ob->soft->pointcache)
+				ob->soft->pointcache= BKE_ptcache_add(&ob->soft->ptcaches);
+
+			for (psys=ob->particlesystem.first; psys; psys=psys->next) {
+				if (psys->pointcache) {
+					if (psys->pointcache->flag & PTCACHE_BAKED && (psys->pointcache->flag & PTCACHE_DISK_CACHE)==0) {
+						printf("Old memory cache isn't supported for particles, so re-bake the simulation!\n");
+						psys->pointcache->flag &= ~PTCACHE_BAKED;
+					}
+				}
+				else
+					psys->pointcache= BKE_ptcache_add(&psys->ptcaches);
+			}
+
+			for (md=ob->modifiers.first; md; md=md->next) {
+				if (md->type==eModifierType_Cloth) {
+					ClothModifierData *clmd = (ClothModifierData*) md;
+					if (!clmd->point_cache)
+						clmd->point_cache= BKE_ptcache_add(&clmd->ptcaches);
+				}
+			}
+		}
+
+		/* Copy over old per-level multires vertex data
+		 * into a single vertex array in struct Multires */
+		for (me = main->mesh.first; me; me=me->id.next) {
+			if (me->mr && !me->mr->verts) {
+				MultiresLevel *lvl = me->mr->levels.last;
+				if (lvl) {
+					me->mr->verts = lvl->verts;
+					lvl->verts = NULL;
+					/* Don't need the other vert arrays */
+					for (lvl = lvl->prev; lvl; lvl = lvl->prev) {
+						MEM_freeN(lvl->verts);
+						lvl->verts = NULL;
+					}
+				}
+			}
+		}
+		
+		if (main->versionfile != 245 || main->subversionfile < 1) {
+			for (la=main->lamp.first; la; la= la->id.next) {
+				if (la->mode & LA_QUAD) la->falloff_type = LA_FALLOFF_SLIDERS;
+				else la->falloff_type = LA_FALLOFF_INVLINEAR;
+				
+				if (la->curfalloff == NULL) {
+					la->curfalloff = curvemapping_add(1, 0.0f, 1.0f, 1.0f, 0.0f);
+					curvemapping_initialize(la->curfalloff);
+				}
+			}
+		}		
+		
+		for (ma=main->mat.first; ma; ma= ma->id.next) {
+			if (ma->samp_gloss_mir == 0) {
+				ma->gloss_mir = ma->gloss_tra= 1.0f;
+				ma->aniso_gloss_mir = 1.0f;
+				ma->samp_gloss_mir = ma->samp_gloss_tra= 18;
+				ma->adapt_thresh_mir = ma->adapt_thresh_tra = 0.005f;
+				ma->dist_mir = 0.0f;
+				ma->fadeto_mir = MA_RAYMIR_FADETOSKY;
+			}
+
+			if (ma->strand_min == 0.0f)
+				ma->strand_min= 1.0f;
+		}
+
+		for (part=main->particle.first; part; part=part->id.next) {
+			if (part->ren_child_nbr==0)
+				part->ren_child_nbr= part->child_nbr;
+
+			if (part->simplify_refsize==0) {
+				part->simplify_refsize= 1920;
+				part->simplify_rate= 1.0f;
+				part->simplify_transition= 0.1f;
+				part->simplify_viewport= 0.8f;
+			}
+		}
+
+		for (wrld=main->world.first; wrld; wrld= wrld->id.next) {
+			if (wrld->ao_approx_error == 0.0f)
+				wrld->ao_approx_error= 0.25f;
+		}
+
+		for (sce= main->scene.first; sce; sce= sce->id.next) {
+			if (sce->nodetree)
+				ntree_version_245(fd, lib, sce->nodetree);
+
+			if (sce->r.simplify_shadowsamples == 0) {
+				sce->r.simplify_subsurf= 6;
+				sce->r.simplify_particles= 1.0f;
+				sce->r.simplify_shadowsamples= 16;
+				sce->r.simplify_aosss= 1.0f;
+			}
+
+			if (sce->r.cineongamma == 0) {
+				sce->r.cineonblack= 95;
+				sce->r.cineonwhite= 685;
+				sce->r.cineongamma= 1.7f;
+			}
+		}
+
+		for (ntree=main->nodetree.first; ntree; ntree= ntree->id.next)
+			ntree_version_245(fd, lib, ntree);
+
+		/* fix for temporary flag changes during 245 cycle */
+		for (ima= main->image.first; ima; ima= ima->id.next) {
+			if (ima->flag & IMA_OLD_PREMUL) {
+				ima->flag &= ~IMA_OLD_PREMUL;
+				ima->flag |= IMA_DO_PREMUL;
+			}
+		}
+
+		for (tex=main->tex.first; tex; tex=tex->id.next) {
+			if (tex->iuser.flag & IMA_OLD_PREMUL) {
+				tex->iuser.flag &= ~IMA_OLD_PREMUL;
+				tex->iuser.flag |= IMA_DO_PREMUL;
+
+			}
+
+			ima= blo_do_versions_newlibadr(fd, lib, tex->ima);
+			if (ima && (tex->iuser.flag & IMA_DO_PREMUL)) {
+				ima->flag &= ~IMA_OLD_PREMUL;
+				ima->flag |= IMA_DO_PREMUL;
+			}
+		}
+	}
+	
+	/* sanity check for skgen
+	 * */
+	{
+		Scene *sce;
+		for (sce=main->scene.first; sce; sce = sce->id.next) {
+			if (sce->toolsettings->skgen_subdivisions[0] == sce->toolsettings->skgen_subdivisions[1] ||
+				sce->toolsettings->skgen_subdivisions[0] == sce->toolsettings->skgen_subdivisions[2] ||
+				sce->toolsettings->skgen_subdivisions[1] == sce->toolsettings->skgen_subdivisions[2])
+			{
+					sce->toolsettings->skgen_subdivisions[0] = SKGEN_SUB_CORRELATION;
+					sce->toolsettings->skgen_subdivisions[1] = SKGEN_SUB_LENGTH;
+					sce->toolsettings->skgen_subdivisions[2] = SKGEN_SUB_ANGLE;
+			}
+		}
+	}
+	
+
+	if ((main->versionfile < 245) || (main->versionfile == 245 && main->subversionfile < 2)) {
+		Image *ima;
+
+		/* initialize 1:1 Aspect */
+		for (ima= main->image.first; ima; ima= ima->id.next) {
+			ima->aspx = ima->aspy = 1.0f;				
+		}
+
+	}
+
+	if ((main->versionfile < 245) || (main->versionfile == 245 && main->subversionfile < 4)) {
+		bArmature *arm;
+		ModifierData *md;
+		Object *ob;
+		
+		for (arm= main->armature.first; arm; arm= arm->id.next)
+			arm->deformflag |= ARM_DEF_B_BONE_REST;
+		
+		for (ob = main->object.first; ob; ob= ob->id.next) {
+			for (md=ob->modifiers.first; md; md=md->next) {
+				if (md->type==eModifierType_Armature)
+					((ArmatureModifierData*)md)->deformflag |= ARM_DEF_B_BONE_REST;
+			}
+		}
+	}
+
+	if ((main->versionfile < 245) || (main->versionfile == 245 && main->subversionfile < 5)) {
+		/* foreground color needs to be something other then black */
+		Scene *sce;
+		for (sce= main->scene.first; sce; sce=sce->id.next) {
+			sce->r.fg_stamp[0] = sce->r.fg_stamp[1] = sce->r.fg_stamp[2] = 0.8f;
+			sce->r.fg_stamp[3] = 1.0f; /* don't use text alpha yet */
+			sce->r.bg_stamp[3] = 0.25f; /* make sure the background has full alpha */
+		}
+	}
+
+	
+	if ((main->versionfile < 245) || (main->versionfile == 245 && main->subversionfile < 6)) {
+		Scene *sce;
+		/* fix frs_sec_base */
+		for (sce= main->scene.first; sce; sce= sce->id.next) {
+			if (sce->r.frs_sec_base == 0) {
+				sce->r.frs_sec_base = 1;
+			}
+		}
+	}
+	
+	if ((main->versionfile < 245) || (main->versionfile == 245 && main->subversionfile < 7)) {
+		Object *ob;
+		bPoseChannel *pchan;
+		bConstraint *con;
+		bConstraintTarget *ct;
+		
+		for (ob = main->object.first; ob; ob= ob->id.next) {
+			if (ob->pose) {
+				for (pchan=ob->pose->chanbase.first; pchan; pchan=pchan->next) {
+					for (con=pchan->constraints.first; con; con=con->next) {
+						if (con->type == CONSTRAINT_TYPE_PYTHON) {
+							bPythonConstraint *data= (bPythonConstraint *)con->data;
+							if (data->tar) {
+								/* version patching needs to be done */
+								ct= MEM_callocN(sizeof(bConstraintTarget), "PyConTarget");
+								
+								ct->tar = data->tar;
+								BLI_strncpy(ct->subtarget, data->subtarget, sizeof(ct->subtarget));
+								ct->space = con->tarspace;
+								
+								BLI_addtail(&data->targets, ct);
+								data->tarnum++;
+								
+								/* clear old targets to avoid problems */
+								data->tar = NULL;
+								data->subtarget[0]= '\0';
+							}
+						}
+						else if (con->type == CONSTRAINT_TYPE_LOCLIKE) {
+							bLocateLikeConstraint *data= (bLocateLikeConstraint *)con->data;
+							
+							/* new headtail functionality makes Bone-Tip function obsolete */
+							if (data->flag & LOCLIKE_TIP)
+								con->headtail = 1.0f;
+						}
+					}
+				}
+			}
+			
+			for (con=ob->constraints.first; con; con=con->next) {
+				if (con->type==CONSTRAINT_TYPE_PYTHON) {
+					bPythonConstraint *data= (bPythonConstraint *)con->data;
+					if (data->tar) {
+						/* version patching needs to be done */
+						ct= MEM_callocN(sizeof(bConstraintTarget), "PyConTarget");
+						
+						ct->tar = data->tar;
+						BLI_strncpy(ct->subtarget, data->subtarget, sizeof(ct->subtarget));
+						ct->space = con->tarspace;
+						
+						BLI_addtail(&data->targets, ct);
+						data->tarnum++;
+						
+						/* clear old targets to avoid problems */
+						data->tar = NULL;
+						data->subtarget[0]= '\0';
+					}
+				}
+				else if (con->type == CONSTRAINT_TYPE_LOCLIKE) {
+					bLocateLikeConstraint *data= (bLocateLikeConstraint *)con->data;
+					
+					/* new headtail functionality makes Bone-Tip function obsolete */
+					if (data->flag & LOCLIKE_TIP)
+						con->headtail = 1.0f;
+				}
+			}
+
+			if (ob->soft && ob->soft->keys) {
+				SoftBody *sb = ob->soft;
+				int k;
+
+				for (k=0; k<sb->totkey; k++) {
+					if (sb->keys[k])
+						MEM_freeN(sb->keys[k]);
+				}
+
+				MEM_freeN(sb->keys);
+
+				sb->keys = NULL;
+				sb->totkey = 0;
+			}
+		}
+	}
+
+	if ((main->versionfile < 245) || (main->versionfile == 245 && main->subversionfile < 8)) {
+		Scene *sce;
+		Object *ob;
+		PartEff *paf=NULL;
+
+		for (ob = main->object.first; ob; ob= ob->id.next) {
+			if (ob->soft && ob->soft->keys) {
+				SoftBody *sb = ob->soft;
+				int k;
+
+				for (k=0; k<sb->totkey; k++) {
+					if (sb->keys[k])
+						MEM_freeN(sb->keys[k]);
+				}
+
+				MEM_freeN(sb->keys);
+
+				sb->keys = NULL;
+				sb->totkey = 0;
+			}
+
+			/* convert old particles to new system */
+			if ((paf = blo_do_version_give_parteff_245(ob))) {
+				ParticleSystem *psys;
+				ModifierData *md;
+				ParticleSystemModifierData *psmd;
+				ParticleSettings *part;
+
+				/* create new particle system */
+				psys = MEM_callocN(sizeof(ParticleSystem), "particle_system");
+				psys->pointcache = BKE_ptcache_add(&psys->ptcaches);
+
+				part = psys->part = psys_new_settings("ParticleSettings", main);
+				
+				/* needed for proper libdata lookup */
+				blo_do_versions_oldnewmap_insert(fd->libmap, psys->part, psys->part, 0);
+				part->id.lib= ob->id.lib;
+
+				part->id.us--;
+				part->id.flag |= (ob->id.flag & LIB_NEEDLINK);
+				
+				psys->totpart=0;
+				psys->flag= PSYS_ENABLED|PSYS_CURRENT;
+
+				BLI_addtail(&ob->particlesystem, psys);
+
+				md= modifier_new(eModifierType_ParticleSystem);
+				BLI_snprintf(md->name, sizeof(md->name), "ParticleSystem %i", BLI_countlist(&ob->particlesystem));
+				psmd= (ParticleSystemModifierData*) md;
+				psmd->psys=psys;
+				BLI_addtail(&ob->modifiers, md);
+
+				/* convert settings from old particle system */
+				/* general settings */
+				part->totpart = MIN2(paf->totpart, 100000);
+				part->sta = paf->sta;
+				part->end = paf->end;
+				part->lifetime = paf->lifetime;
+				part->randlife = paf->randlife;
+				psys->seed = paf->seed;
+				part->disp = paf->disp;
+				part->omat = paf->mat[0];
+				part->hair_step = paf->totkey;
+
+				part->eff_group = paf->group;
+
+				/* old system didn't interpolate between keypoints at render time */
+				part->draw_step = part->ren_step = 0;
+
+				/* physics */
+				part->normfac = paf->normfac * 25.0f;
+				part->obfac = paf->obfac;
+				part->randfac = paf->randfac * 25.0f;
+				part->dampfac = paf->damp;
+				copy_v3_v3(part->acc, paf->force);
+
+				/* flags */
+				if (paf->stype & PAF_VECT) {
+					if (paf->flag & PAF_STATIC) {
+						/* new hair lifetime is always 100.0f */
+						float fac = paf->lifetime / 100.0f;
+
+						part->draw_as = PART_DRAW_PATH;
+						part->type = PART_HAIR;
+						psys->recalc |= PSYS_RECALC_REDO;
+
+						part->normfac *= fac;
+						part->randfac *= fac;
+					}
+					else {
+						part->draw_as = PART_DRAW_LINE;
+						part->draw |= PART_DRAW_VEL_LENGTH;
+						part->draw_line[1] = 0.04f;
+					}
+				}
+
+				part->rotmode = PART_ROT_VEL;
+				
+				part->flag |= (paf->flag & PAF_BSPLINE) ? PART_HAIR_BSPLINE : 0;
+				part->flag |= (paf->flag & PAF_TRAND) ? PART_TRAND : 0;
+				part->flag |= (paf->flag & PAF_EDISTR) ? PART_EDISTR : 0;
+				part->flag |= (paf->flag & PAF_UNBORN) ? PART_UNBORN : 0;
+				part->flag |= (paf->flag & PAF_DIED) ? PART_DIED : 0;
+				part->from |= (paf->flag & PAF_FACE) ? PART_FROM_FACE : 0;
+				part->draw |= (paf->flag & PAF_SHOWE) ? PART_DRAW_EMITTER : 0;
+
+				psys->vgroup[PSYS_VG_DENSITY] = paf->vertgroup;
+				psys->vgroup[PSYS_VG_VEL] = paf->vertgroup_v;
+				psys->vgroup[PSYS_VG_LENGTH] = paf->vertgroup_v;
+
+				/* dupliobjects */
+				if (ob->transflag & OB_DUPLIVERTS) {
+					Object *dup = main->object.first;
+
+					for (; dup; dup= dup->id.next) {
+						if (ob == blo_do_versions_newlibadr(fd, lib, dup->parent)) {
+							part->dup_ob = dup;
+							ob->transflag |= OB_DUPLIPARTS;
+							ob->transflag &= ~OB_DUPLIVERTS;
+
+							part->draw_as = PART_DRAW_OB;
+
+							/* needed for proper libdata lookup */
+							blo_do_versions_oldnewmap_insert(fd->libmap, dup, dup, 0);
+						}
+					}
+				}
+
+				
+				{
+					FluidsimModifierData *fluidmd = (FluidsimModifierData *)modifiers_findByType(ob, eModifierType_Fluidsim);
+					if (fluidmd && fluidmd->fss && fluidmd->fss->type == OB_FLUIDSIM_PARTICLE)
+						part->type = PART_FLUID;
+				}
+
+				do_version_free_effects_245(&ob->effect);
+
+				printf("Old particle system converted to new system.\n");
+			}
+		}
+
+		for (sce= main->scene.first; sce; sce=sce->id.next) {
+			ParticleEditSettings *pset= &sce->toolsettings->particle;
+			int a;
+
+			if (pset->brush[0].size == 0) {
+				pset->flag= PE_KEEP_LENGTHS|PE_LOCK_FIRST|PE_DEFLECT_EMITTER;
+				pset->emitterdist= 0.25f;
+				pset->totrekey= 5;
+				pset->totaddkey= 5;
+				pset->brushtype= PE_BRUSH_NONE;
+
+				for (a=0; a<PE_TOT_BRUSH; a++) {
+					pset->brush[a].strength= 50;
+					pset->brush[a].size= 50;
+					pset->brush[a].step= 10;
+				}
+
+				pset->brush[PE_BRUSH_CUT].strength= 100;
+			}
+		}
+	}
+	if ((main->versionfile < 245) || (main->versionfile == 245 && main->subversionfile < 9)) {
+		Material *ma;
+		int a;
+
+		for (ma=main->mat.first; ma; ma= ma->id.next)
+			if (ma->mode & MA_NORMAP_TANG)
+				for (a=0; a<MAX_MTEX; a++)
+					if (ma->mtex[a] && ma->mtex[a]->tex)
+						ma->mtex[a]->normapspace = MTEX_NSPACE_TANGENT;
+	}
+	
+	if ((main->versionfile < 245) || (main->versionfile == 245 && main->subversionfile < 10)) {
+		Object *ob;
+		
+		/* dupliface scale */
+		for (ob= main->object.first; ob; ob= ob->id.next)
+			ob->dupfacesca = 1.0f;
+	}
+	
+	if ((main->versionfile < 245) || (main->versionfile == 245 && main->subversionfile < 11)) {
+		Object *ob;
+		bActionStrip *strip;
+		
+		/* nla-strips - scale */		
+		for (ob= main->object.first; ob; ob= ob->id.next) {
+			for (strip= ob->nlastrips.first; strip; strip= strip->next) {
+				float length, actlength, repeat;
+				
+				if (strip->flag & ACTSTRIP_USESTRIDE)
+					repeat= 1.0f;
+				else
+					repeat= strip->repeat;
+				
+				length = strip->end-strip->start;
+				if (length == 0.0f) length= 1.0f;
+				actlength = strip->actend-strip->actstart;
+				
+				strip->scale = length / (repeat * actlength);
+				if (strip->scale == 0.0f) strip->scale= 1.0f;
+			}	
+			if (ob->soft) {
+				ob->soft->inpush =  ob->soft->inspring;
+				ob->soft->shearstiff = 1.0f; 
+			}
+		}
+	}
+
+	if ((main->versionfile < 245) || (main->versionfile == 245 && main->subversionfile < 14)) {
+		Scene *sce;
+		Sequence *seq;
+		
+		for (sce=main->scene.first; sce; sce=sce->id.next) {
+			SEQ_BEGIN (sce->ed, seq)
+			{
+				if (seq->blend_mode == 0)
+					seq->blend_opacity = 100.0f;
+			}
+			SEQ_END
+		}
+	}
+	
+	/*fix broken group lengths in id properties*/
+	if ((main->versionfile < 245) || (main->versionfile == 245 && main->subversionfile < 15)) {
+		idproperties_fix_group_lengths(main->scene);
+		idproperties_fix_group_lengths(main->library);
+		idproperties_fix_group_lengths(main->object);
+		idproperties_fix_group_lengths(main->mesh);
+		idproperties_fix_group_lengths(main->curve);
+		idproperties_fix_group_lengths(main->mball);
+		idproperties_fix_group_lengths(main->mat);
+		idproperties_fix_group_lengths(main->tex);
+		idproperties_fix_group_lengths(main->image);
+		idproperties_fix_group_lengths(main->latt);
+		idproperties_fix_group_lengths(main->lamp);
+		idproperties_fix_group_lengths(main->camera);
+		idproperties_fix_group_lengths(main->ipo);
+		idproperties_fix_group_lengths(main->key);
+		idproperties_fix_group_lengths(main->world);
+		idproperties_fix_group_lengths(main->screen);
+		idproperties_fix_group_lengths(main->script);
+		idproperties_fix_group_lengths(main->vfont);
+		idproperties_fix_group_lengths(main->text);
+		idproperties_fix_group_lengths(main->sound);
+		idproperties_fix_group_lengths(main->group);
+		idproperties_fix_group_lengths(main->armature);
+		idproperties_fix_group_lengths(main->action);
+		idproperties_fix_group_lengths(main->nodetree);
+		idproperties_fix_group_lengths(main->brush);
+		idproperties_fix_group_lengths(main->particle);		
+	}
+
+	/* sun/sky */
+	if (main->versionfile < 246) {
+		Object *ob;
+		bActuator *act;
+
+		/* dRot actuator change direction in 2.46 */
+		for (ob = main->object.first; ob; ob= ob->id.next) {
+			for (act= ob->actuators.first; act; act= act->next) {
+				if (act->type == ACT_OBJECT) {
+					bObjectActuator *ba= act->data;
+
+					ba->drot[0] = -ba->drot[0];
+					ba->drot[1] = -ba->drot[1];
+					ba->drot[2] = -ba->drot[2];
+				}
+			}
+		}
+	}
+	
+	// convert fluids to modifier
+	if (main->versionfile < 246 || (main->versionfile == 246 && main->subversionfile < 1)) {
+		Object *ob;
+		
+		for (ob = main->object.first; ob; ob= ob->id.next) {
+			if (ob->fluidsimSettings) {
+				FluidsimModifierData *fluidmd = (FluidsimModifierData *)modifier_new(eModifierType_Fluidsim);
+				BLI_addhead(&ob->modifiers, (ModifierData *)fluidmd);
+				
+				MEM_freeN(fluidmd->fss);
+				fluidmd->fss = MEM_dupallocN(ob->fluidsimSettings);
+				fluidmd->fss->ipo = blo_do_versions_newlibadr_us(fd, ob->id.lib, ob->fluidsimSettings->ipo);
+				MEM_freeN(ob->fluidsimSettings);
+				
+				fluidmd->fss->lastgoodframe = INT_MAX;
+				fluidmd->fss->flag = 0;
+				fluidmd->fss->meshVelocities = NULL;
+			}
+		}
+	}
+	
+
+	if (main->versionfile < 246 || (main->versionfile == 246 && main->subversionfile < 1)) {
+		Mesh *me;
+
+		for (me=main->mesh.first; me; me= me->id.next)
+			alphasort_version_246(fd, lib, me);
+	}
+	
+	if (main->versionfile < 246 || (main->versionfile == 246 && main->subversionfile < 1)) {
+		Object *ob;
+		for (ob = main->object.first; ob; ob= ob->id.next) {
+			if (ob->pd && (ob->pd->forcefield == PFIELD_WIND))
+				ob->pd->f_noise = 0.0f;
+		}
+	}
+
+	if (main->versionfile < 247 || (main->versionfile == 247 && main->subversionfile < 2)) {
+		Object *ob;
+		for (ob = main->object.first; ob; ob= ob->id.next) {
+			ob->gameflag |= OB_COLLISION;
+			ob->margin = 0.06f;
+		}
+	}
+
+	if (main->versionfile < 247 || (main->versionfile == 247 && main->subversionfile < 3)) {
+		Object *ob;
+		for (ob = main->object.first; ob; ob= ob->id.next) {
+			// Starting from subversion 3, ACTOR is a separate feature.
+			// Before it was conditioning all the other dynamic flags
+			if (!(ob->gameflag & OB_ACTOR))
+				ob->gameflag &= ~(OB_GHOST|OB_DYNAMIC|OB_RIGID_BODY|OB_SOFT_BODY|OB_COLLISION_RESPONSE);
+			/* suitable default for older files */
+		}
+	}
+
+	if (main->versionfile < 247 || (main->versionfile == 247 && main->subversionfile < 5)) {
+		Lamp *la= main->lamp.first;
+		for (; la; la= la->id.next) {
+			la->skyblendtype= MA_RAMP_ADD;
+			la->skyblendfac= 1.0f;
+		}
+	}
+	
+	/* set the curve radius interpolation to 2.47 default - easy */
+	if (main->versionfile < 247 || (main->versionfile == 247 && main->subversionfile < 6)) {
+		Curve *cu;
+		Nurb *nu;
+		
+		for (cu= main->curve.first; cu; cu= cu->id.next) {
+			for (nu= cu->nurb.first; nu; nu= nu->next) {
+				if (nu) {
+					nu->radius_interp = 3;
+					
+					/* resolu and resolv are now used differently for surfaces
+					 * rather than using the resolution to define the entire number of divisions,
+					 * use it for the number of divisions per segment
+					 */
+					if (nu->pntsv > 1) {
+						nu->resolu = MAX2( 1, (int)(((float)nu->resolu / (float)nu->pntsu)+0.5f) );
+						nu->resolv = MAX2( 1, (int)(((float)nu->resolv / (float)nu->pntsv)+0.5f) );
+					}
+				}
+			}
+		}
+	}
+	/* direction constraint actuators were always local in previous version */
+	if (main->versionfile < 247 || (main->versionfile == 247 && main->subversionfile < 7)) {
+		bActuator *act;
+		Object *ob;
+		
+		for (ob = main->object.first; ob; ob= ob->id.next) {
+			for (act= ob->actuators.first; act; act= act->next) {
+				if (act->type == ACT_CONSTRAINT) {
+					bConstraintActuator *coa = act->data;
+					if (coa->type == ACT_CONST_TYPE_DIST) {
+						coa->flag |= ACT_CONST_LOCAL;
+					}
+				}
+			}
+		}
+	}
+
+	if (main->versionfile < 247 || (main->versionfile == 247 && main->subversionfile < 9)) {
+		Lamp *la= main->lamp.first;
+		for (; la; la= la->id.next) {
+			la->sky_exposure= 1.0f;
+		}
+	}
+	
+	/* BGE message actuators needed OB prefix, very confusing */
+	if (main->versionfile < 247 || (main->versionfile == 247 && main->subversionfile < 10)) {
+		bActuator *act;
+		Object *ob;
+		
+		for (ob = main->object.first; ob; ob= ob->id.next) {
+			for (act= ob->actuators.first; act; act= act->next) {
+				if (act->type == ACT_MESSAGE) {
+					bMessageActuator *msgAct = (bMessageActuator *) act->data;
+					if (BLI_strnlen(msgAct->toPropName, 3) > 2) {
+						/* strip first 2 chars, would have only worked if these were OB anyway */
+						memmove(msgAct->toPropName, msgAct->toPropName + 2, sizeof(msgAct->toPropName) - 2);
+					}
+					else {
+						msgAct->toPropName[0] = '\0';
+					}
+				}
+			}
+		}
+	}
+
+	if (main->versionfile < 248) {
+		Lamp *la;
+
+		for (la=main->lamp.first; la; la= la->id.next) {
+			if (la->atm_turbidity == 0.0f) {
+				la->sun_effect_type = 0;
+				la->horizon_brightness = 1.0f;
+				la->spread = 1.0f;
+				la->sun_brightness = 1.0f;
+				la->sun_size = 1.0f;
+				la->backscattered_light = 1.0f;
+				la->atm_turbidity = 2.0f;
+				la->atm_inscattering_factor = 1.0f;
+				la->atm_extinction_factor = 1.0f;
+				la->atm_distance_factor = 1.0f;
+				la->sun_intensity = 1.0f;
+			}
+		}
+	}
+
+	if (main->versionfile < 248 || (main->versionfile == 248 && main->subversionfile < 2)) {
+		Scene *sce;
+		
+		/* Note, these will need to be added for painting */
+		for (sce= main->scene.first; sce; sce= sce->id.next) {
+			sce->toolsettings->imapaint.seam_bleed = 2;
+			sce->toolsettings->imapaint.normal_angle = 80;
+
+			/* initialize skeleton generation toolsettings */
+			sce->toolsettings->skgen_resolution = 250;
+			sce->toolsettings->skgen_threshold_internal 	= 0.1f;
+			sce->toolsettings->skgen_threshold_external 	= 0.1f;
+			sce->toolsettings->skgen_angle_limit			= 30.0f;
+			sce->toolsettings->skgen_length_ratio			= 1.3f;
+			sce->toolsettings->skgen_length_limit			= 1.5f;
+			sce->toolsettings->skgen_correlation_limit		= 0.98f;
+			sce->toolsettings->skgen_symmetry_limit			= 0.1f;
+			sce->toolsettings->skgen_postpro = SKGEN_SMOOTH;
+			sce->toolsettings->skgen_postpro_passes = 3;
+			sce->toolsettings->skgen_options = SKGEN_FILTER_INTERNAL|SKGEN_FILTER_EXTERNAL|SKGEN_FILTER_SMART|SKGEN_SUB_CORRELATION|SKGEN_HARMONIC;
+			sce->toolsettings->skgen_subdivisions[0] = SKGEN_SUB_CORRELATION;
+			sce->toolsettings->skgen_subdivisions[1] = SKGEN_SUB_LENGTH;
+			sce->toolsettings->skgen_subdivisions[2] = SKGEN_SUB_ANGLE;
+
+			
+			sce->toolsettings->skgen_retarget_angle_weight = 1.0f;
+			sce->toolsettings->skgen_retarget_length_weight = 1.0f;
+			sce->toolsettings->skgen_retarget_distance_weight = 1.0f;
+	
+			/* Skeleton Sketching */
+			sce->toolsettings->bone_sketching = 0;
+			sce->toolsettings->skgen_retarget_roll = SK_RETARGET_ROLL_VIEW;
+		}
+	}
+	if (main->versionfile < 248 || (main->versionfile == 248 && main->subversionfile < 3)) {
+		bScreen *sc;
+		
+		/* adjust default settings for Animation Editors */
+		for (sc= main->screen.first; sc; sc= sc->id.next) {
+			ScrArea *sa;
+			
+			for (sa= sc->areabase.first; sa; sa= sa->next) { 
+				SpaceLink *sl;
+				
+				for (sl= sa->spacedata.first; sl; sl= sl->next) {
+					switch (sl->spacetype) {
+						case SPACE_ACTION:
+						{
+							SpaceAction *sact= (SpaceAction *)sl;
+							
+							sact->mode= SACTCONT_DOPESHEET;
+							sact->autosnap= SACTSNAP_FRAME;
+						}
+							break;
+						case SPACE_IPO:
+						{
+							SpaceIpo *sipo= (SpaceIpo *)sl;
+							sipo->autosnap= SACTSNAP_FRAME;
+						}
+							break;
+						case SPACE_NLA:
+						{
+							SpaceNla *snla= (SpaceNla *)sl;
+							snla->autosnap= SACTSNAP_FRAME;
+						}
+							break;
+					}
+				}
+			}
+		}
+	}
+
+	if (main->versionfile < 248 || (main->versionfile == 248 && main->subversionfile < 3)) {
+		Object *ob;
+
+		/* Adjustments needed after Bullets update */
+		for (ob = main->object.first; ob; ob= ob->id.next) {
+			ob->damping *= 0.635f;
+			ob->rdamping = 0.1f + (0.8f * ob->rdamping);
+		}
+	}
+	
+	if (main->versionfile < 248 || (main->versionfile == 248 && main->subversionfile < 4)) {
+		Scene *sce;
+		World *wrld;
+
+		/*  Dome (Fisheye) default parameters  */
+		for (sce= main->scene.first; sce; sce= sce->id.next) {
+			sce->r.domeangle = 180;
+			sce->r.domemode = 1;
+			sce->r.domeres = 4;
+			sce->r.domeresbuf = 1.0f;
+			sce->r.dometilt = 0;
+		}
+		/* DBVT culling by default */
+		for (wrld=main->world.first; wrld; wrld= wrld->id.next) {
+			wrld->mode |= WO_DBVT_CULLING;
+			wrld->occlusionRes = 128;
+		}
+	}
+
+	if (main->versionfile < 248 || (main->versionfile == 248 && main->subversionfile < 5)) {
+		Object *ob;
+		World *wrld;
+		for (ob = main->object.first; ob; ob= ob->id.next) {
+			ob->m_contactProcessingThreshold = 1.0f; //pad3 is used for m_contactProcessingThreshold
+			if (ob->parent) {
+				/* check if top parent has compound shape set and if yes, set this object
+				 * to compound shaper as well (was the behavior before, now it's optional) */
+				Object *parent= blo_do_versions_newlibadr(fd, lib, ob->parent);
+				while (parent && parent != ob &&  parent->parent != NULL) {
+					parent = blo_do_versions_newlibadr(fd, lib, parent->parent);
+				}
+				if (parent) {
+					if (parent->gameflag & OB_CHILD)
+						ob->gameflag |= OB_CHILD;
+				}
+			}
+		}
+		for (wrld=main->world.first; wrld; wrld= wrld->id.next) {
+			wrld->ticrate = 60;
+			wrld->maxlogicstep = 5;
+			wrld->physubstep = 1;
+			wrld->maxphystep = 5;
+		}
+	}
+	
+	// correct introduce of seed for wind force
+	if (main->versionfile < 249 && main->subversionfile < 1) {
+		Object *ob;
+		for (ob = main->object.first; ob; ob= ob->id.next) {
+			if (ob->pd)
+				ob->pd->seed = ((unsigned int)(ceil(PIL_check_seconds_timer()))+1) % 128;
+		}
+	
+	}
+
+	if (main->versionfile < 249 && main->subversionfile < 2) {
+		Scene *sce= main->scene.first;
+		Sequence *seq;
+		Editing *ed;
+		
+		while (sce) {
+			ed= sce->ed;
+			if (ed) {
+				SEQP_BEGIN (ed, seq)
+				{
+					if (seq->strip && seq->strip->proxy) {
+						seq->strip->proxy->quality =90;
+					}
+				}
+				SEQ_END
+			}
+			
+			sce= sce->id.next;
+		}
+
+	}
+	
+	/* WATCH IT!!!: pointers from libdata have not been converted yet here! */
+	/* WATCH IT 2!: Userdef struct init has to be in editors/interface/resources.c! */
+
+	/* don't forget to set version number in blender.c! */
+}
+