13 files changed, 176 insertions, 63 deletions

diff --git a/source/blender/blenkernel/BKE_global.h b/source/blender/blenkernel/BKE_global.h
index 291deb5ea70..6a602339e11 100644
--- a/source/blender/blenkernel/BKE_global.h
+++ b/source/blender/blenkernel/BKE_global.h
@@ -83,9 +83,6 @@ typedef struct Global {
 	struct VFont *selfont;
 	struct ListBase ttfdata;
 
-	/* libtiff flag used to determine if shared library loaded for libtiff*/
-	int have_libtiff;
-
 	/* this variable is written to / read from FileGlobal->fileflags */
 	int fileflags;
     
diff --git a/source/blender/blenkernel/BKE_multires.h b/source/blender/blenkernel/BKE_multires.h
index e5c7745f637..258fb6f1b3f 100644
--- a/source/blender/blenkernel/BKE_multires.h
+++ b/source/blender/blenkernel/BKE_multires.h
@@ -52,9 +52,9 @@ void multiresModifier_join(struct Object *);
 void multiresModifier_del_levels(struct MultiresModifierData *, struct Object *, int direction);
 void multiresModifier_subdivide(struct MultiresModifierData *mmd, struct Object *ob,
 				int updateblock, int simple);
-int multiresModifier_reshape(struct MultiresModifierData *mmd, struct Object *dst, struct Object *src);
-int multiresModifier_reshapeFromDM(struct MultiresModifierData *mmd, struct Object *ob, struct DerivedMesh *srcdm);
-int multiresModifier_reshapeFromDeformMod(struct MultiresModifierData *mmd, struct Object *ob, struct ModifierData *md);
+int multiresModifier_reshape(struct Object *dst, struct Object *src);
+int multiresModifier_reshapeFromDM(struct Object *ob, struct DerivedMesh *srcdm);
+int multiresModifier_reshapeFromDeformMod(struct Object *ob, struct ModifierData *md);
 
 void multires_stitch_grids(struct Object *);
 
diff --git a/source/blender/blenkernel/BKE_utildefines.h b/source/blender/blenkernel/BKE_utildefines.h
index 51d915cca18..0b3fce9408c 100644
--- a/source/blender/blenkernel/BKE_utildefines.h
+++ b/source/blender/blenkernel/BKE_utildefines.h
@@ -105,6 +105,7 @@
 #define AVG2(x, y)		( 0.5 * ((x) + (y)) )
 
 #define FTOCHAR(val) ((val)<=0.0f)? 0 : (((val)>(1.0f-0.5f/255.0f))? 255 : (char)((255.0f*(val))+0.5f))
+#define FTOUSHORT(val) ((val >= 1.0f-0.5f/65535)? 65535: (val <= 0.0f)? 0: (unsigned short)(val*65535.0f + 0.5f))
 
 #define VECCOPY(v1,v2)          {*(v1)= *(v2); *(v1+1)= *(v2+1); *(v1+2)= *(v2+2);}
 #define VECCOPY2D(v1,v2)          {*(v1)= *(v2); *(v1+1)= *(v2+1);}
diff --git a/source/blender/blenkernel/CMakeLists.txt b/source/blender/blenkernel/CMakeLists.txt
index 1ad0ddf0520..2086f4064d5 100644
--- a/source/blender/blenkernel/CMakeLists.txt
+++ b/source/blender/blenkernel/CMakeLists.txt
@@ -50,6 +50,10 @@ IF(WITH_OPENEXR)
 	ADD_DEFINITIONS(-DWITH_OPENEXR)
 ENDIF(WITH_OPENEXR)
 
+IF(WITH_TIFF)
+	ADD_DEFINITIONS(-DWITH_TIFF)
+ENDIF(WITH_TIFF)
+
 IF(WITH_OPENJPEG)
 	ADD_DEFINITIONS(-DWITH_OPENJPEG)
 ENDIF(WITH_OPENJPEG)
diff --git a/source/blender/blenkernel/SConscript b/source/blender/blenkernel/SConscript
index ac10889f36a..85d4934609d 100644
--- a/source/blender/blenkernel/SConscript
+++ b/source/blender/blenkernel/SConscript
@@ -38,6 +38,9 @@ else:
 if env['WITH_BF_OPENEXR']:
 	defs.append('WITH_OPENEXR')
 
+if env['WITH_BF_TIFF']:
+	defs.append('WITH_TIFF')
+
 if env['WITH_BF_OPENJPEG']:
 	defs.append('WITH_OPENJPEG')
 
diff --git a/source/blender/blenkernel/intern/Makefile b/source/blender/blenkernel/intern/Makefile
index 4e365f363c3..15c022592f9 100644
--- a/source/blender/blenkernel/intern/Makefile
+++ b/source/blender/blenkernel/intern/Makefile
@@ -132,6 +132,10 @@ ifeq ($(WITH_QUICKTIME), true)
 	CPPFLAGS += -DWITH_QUICKTIME
 endif
 
+ifeq ($(WITH_TIFF), true)
+    CPPFLAGS += -DWITH_TIFF
+endif
+
 ifeq ($(OS), darwin)
     ifeq ($(WITH_BF_OPENMP), true)
       CPPFLAGS += -DPARALLEL=1
diff --git a/source/blender/blenkernel/intern/anim.c b/source/blender/blenkernel/intern/anim.c
index 8619ab1eb1c..313d79cf3b9 100644
--- a/source/blender/blenkernel/intern/anim.c
+++ b/source/blender/blenkernel/intern/anim.c
@@ -187,6 +187,8 @@ bMotionPath *animviz_verify_motionpaths(Scene *scene, Object *ob, bPoseChannel *
 	
 	if (avs->path_bakeflag & MOTIONPATH_BAKE_HEADS)
 		mpath->flag |= MOTIONPATH_FLAG_BHEAD;
+	else
+		mpath->flag &= ~MOTIONPATH_FLAG_BHEAD;
 	
 	/* allocate a cache */
 	mpath->points= MEM_callocN(sizeof(bMotionPathVert)*mpath->length, "bMotionPathVerts");
@@ -250,6 +252,83 @@ void animviz_get_object_motionpaths(Object *ob, ListBase *targets)
 
 /* ........ */
 
+/* Note on evaluation optimisations:
+ * Optimisations currently used here play tricks with the depsgraph in order to try and 
+ * evaluate as few objects as strictly necessary to get nicer performance under standard
+ * production conditions. For those people who really need the accurate version, 
+ * disable the ifdef (i.e. 1 -> 0) and comment out the call to motionpaths_calc_optimise_depsgraph()
+ */
+
+/* tweak the object ordering to trick depsgraph into making MotionPath calculations run faster */
+static void motionpaths_calc_optimise_depsgraph(Scene *scene, ListBase *targets)
+{
+	Base *base, *baseNext;
+	MPathTarget *mpt;
+	
+	/* make sure our temp-tag isn't already in use */
+	for (base= scene->base.first; base; base= base->next)
+		base->object->flag &= ~BA_TEMP_TAG;
+	
+	/* for each target, dump its object to the start of the list if it wasn't moved already */
+	for (mpt= targets->first; mpt; mpt= mpt->next) {
+		for (base=scene->base.first; base; base=baseNext) {
+			baseNext = base->next;
+			
+			if ((base->object == mpt->ob) && !(mpt->ob->flag & BA_TEMP_TAG)) {
+				BLI_remlink(&scene->base, base);
+				BLI_addhead(&scene->base, base);
+				
+				mpt->ob->flag |= BA_TEMP_TAG;
+				break; // we really don't need to continue anymore once this happens, but this line might really 'break'
+			}
+		}
+	}
+	
+	/* "brew me a list that's sorted a bit faster now depsy" */
+	DAG_scene_sort(scene);
+}
+
+/* update scene for current frame */
+static void motionpaths_calc_update_scene(Scene *scene)
+{
+#if 1 // 'production' optimisations always on
+	Base *base, *last=NULL;
+	
+	/* only stuff that moves or needs display still */
+	DAG_scene_update_flags(scene, scene->lay);
+	
+	/* find the last object with the tag 
+	 *	- all those afterwards are assumed to not be relevant for our calculations
+	 */
+	// optimise further by moving out...
+	for (base=scene->base.first; base; base=base->next) {
+		if (base->object->flag & BA_TEMP_TAG)
+			last = base;
+	}
+	
+	/* perform updates for tagged objects */
+	// XXX: this will break if rigs depend on scene or other data that 
+	// is animated but not attached to/updatable from objects
+	for (base=scene->base.first; base; base=base->next) {
+		/* update this object */
+		object_handle_update(scene, base->object);
+		
+		/* if this is the last one we need to update, let's stop to save some time */
+		if (base == last)
+			break;
+	}
+#else // original, 'always correct' version
+	/* do all updates 
+	 *	- if this is too slow, resort to using a more efficient way 
+	 * 	  that doesn't force complete update, but for now, this is the
+	 *	  most accurate way!
+	 */
+	scene_update_for_newframe(scene, scene->lay); // XXX this is the best way we can get anything moving
+#endif
+}
+
+/* ........ */
+
 /* perform baking for the targets on the current frame */
 static void motionpaths_calc_bake_targets(Scene *scene, ListBase *targets)
 {
@@ -311,7 +390,7 @@ void animviz_calc_motionpaths(Scene *scene, ListBase *targets)
 	
 	// TODO: this method could be improved...
 	//	1) max range for standard baking
-	//	2) minimum range for recalc baking (i.e. between keyfames, but how?)
+	//	2) minimum range for recalc baking (i.e. between keyframes, but how?)
 	for (mpt= targets->first; mpt; mpt= mpt->next) {
 		/* try to increase area to do (only as much as needed) */
 		sfra= MIN2(sfra, mpt->mpath->start_frame);
@@ -319,14 +398,14 @@ void animviz_calc_motionpaths(Scene *scene, ListBase *targets)
 	}
 	if (efra <= sfra) return;
 	
+	/* optimise the depsgraph for faster updates */
+	// TODO: whether this is used should depend on some setting for the level of optimisations used
+	motionpaths_calc_optimise_depsgraph(scene, targets);
+	
 	/* calculate path over requested range */
 	for (CFRA=sfra; CFRA<=efra; CFRA++) {
-		/* do all updates 
-		 *	- if this is too slow, resort to using a more efficient way 
-		 * 	  that doesn't force complete update, but for now, this is the
-		 *	  most accurate way!
-		 */
-		scene_update_for_newframe(scene, scene->lay); // XXX this is the best way we can get anything moving
+		/* update relevant data for new frame */
+		motionpaths_calc_update_scene(scene);
 		
 		/* perform baking for targets */
 		motionpaths_calc_bake_targets(scene, targets);
@@ -334,7 +413,7 @@ void animviz_calc_motionpaths(Scene *scene, ListBase *targets)
 	
 	/* reset original environment */
 	CFRA= cfra;
-	scene_update_for_newframe(scene, scene->lay); // XXX this is the best way we can get anything moving
+	motionpaths_calc_update_scene(scene);
 	
 	/* clear recalc flags from targets */
 	for (mpt= targets->first; mpt; mpt= mpt->next) {
diff --git a/source/blender/blenkernel/intern/anim_sys.c b/source/blender/blenkernel/intern/anim_sys.c
index a7a4d789610..10c2c1801cb 100644
--- a/source/blender/blenkernel/intern/anim_sys.c
+++ b/source/blender/blenkernel/intern/anim_sys.c
@@ -339,6 +339,19 @@ static void fcurves_path_rename_fix (ID *owner_id, char *prefix, char *oldName,
 		/* firstly, handle the F-Curve's own path */
 		if (fcu->rna_path)
 			fcu->rna_path= rna_path_rename_fix(owner_id, prefix, oldName, newName, fcu->rna_path, verify_paths);
+	}
+}
+
+/* Check RNA-Paths for a list of Drivers */
+static void drivers_path_rename_fix (ID *owner_id, char *prefix, char *oldName, char *newName, char *oldKey, char *newKey, ListBase *curves, int verify_paths)
+{
+	FCurve *fcu;
+	
+	/* we need to check every curve - drivers are F-Curves too! */
+	for (fcu= curves->first; fcu; fcu= fcu->next) {
+		/* firstly, handle the F-Curve's own path */
+		if (fcu->rna_path)
+			fcu->rna_path= rna_path_rename_fix(owner_id, prefix, oldKey, newKey, fcu->rna_path, verify_paths);
 		
 		/* driver? */
 		if (fcu->driver) {
@@ -352,15 +365,16 @@ static void fcurves_path_rename_fix (ID *owner_id, char *prefix, char *oldName,
 				{
 					/* rename RNA path */
 					if (dtar->rna_path)
-						dtar->rna_path= rna_path_rename_fix(dtar->id, prefix, oldName, newName, dtar->rna_path, verify_paths);
+						dtar->rna_path= rna_path_rename_fix(dtar->id, prefix, oldKey, newKey, dtar->rna_path, verify_paths);
 					
 					/* also fix the bone-name (if applicable) */
-					// XXX this has been disabled because the old/new names have padding which means this check will fail
-					//if ( ((dtar->id) && (GS(dtar->id->name) == ID_OB)) &&
-					//	 (dtar->pchan_name[0]) && (strcmp(oldName, dtar->pchan_name)==0) )
-					//{
-					//	BLI_strncpy(dtar->pchan_name, newName, sizeof(dtar->pchan_name));
-					//}
+					if (strstr(prefix, "bones")) {
+						if ( ((dtar->id) && (GS(dtar->id->name) == ID_OB)) &&
+							 (dtar->pchan_name[0]) && (strcmp(oldName, dtar->pchan_name)==0) )
+						{
+							BLI_strncpy(dtar->pchan_name, newName, sizeof(dtar->pchan_name));
+						}
+					}
 				}
 				DRIVER_TARGETS_LOOPER_END
 			}
@@ -398,11 +412,12 @@ void BKE_animdata_fix_paths_rename (ID *owner_id, AnimData *adt, char *prefix, c
 	if (ELEM(NULL, owner_id, adt))
 		return;
 	
-	if (oldName != NULL && newName != NULL) {
+	if ((oldName != NULL) && (newName != NULL)) {
 		/* pad the names with [" "] so that only exact matches are made */
 		oldN= BLI_sprintfN("[\"%s\"]", oldName);
 		newN= BLI_sprintfN("[\"%s\"]", newName);
-	} else {
+	} 
+	else {
 		oldN= BLI_sprintfN("[%d]", oldSubscript);
 		newN= BLI_sprintfN("[%d]", newSubscript);
 	}
@@ -414,7 +429,7 @@ void BKE_animdata_fix_paths_rename (ID *owner_id, AnimData *adt, char *prefix, c
 		fcurves_path_rename_fix(owner_id, prefix, oldN, newN, &adt->tmpact->curves, verify_paths);
 		
 	/* Drivers - Drivers are really F-Curves */
-	fcurves_path_rename_fix(owner_id, prefix, oldN, newN, &adt->drivers, verify_paths);
+	drivers_path_rename_fix(owner_id, prefix, oldName, newName, oldN, newN, &adt->drivers, verify_paths);
 	
 	/* NLA Data - Animation Data for Strips */
 	for (nlt= adt->nla_tracks.first; nlt; nlt= nlt->next)
diff --git a/source/blender/blenkernel/intern/armature.c b/source/blender/blenkernel/intern/armature.c
index 4f9b9435a80..557f3900d7b 100644
--- a/source/blender/blenkernel/intern/armature.c
+++ b/source/blender/blenkernel/intern/armature.c
@@ -2055,7 +2055,7 @@ static void splineik_evaluate_bone(tSplineIK_Tree *tree, Scene *scene, Object *o
 					
 					/* we need to clamp this within sensible values */
 					// NOTE: these should be fine for now, but should get sanitised in future
-					scale= MIN2( MAX2(scale, 0.0001) , 100000);
+					scale= MIN2(MAX2(scale, 0.0001) , 100000);
 				}
 				else
 					scale= 1.0f;
@@ -2127,8 +2127,6 @@ static void splineik_execute_tree(Scene *scene, Object *ob, bPoseChannel *pchan_
 				splineik_evaluate_bone(tree, scene, ob, pchan, i, ctime);
 			}
 			
-			// TODO: if another pass is needed to ensure the validity of the chain after blending, it should go here
-			
 			/* free the tree info specific to SplineIK trees now */
 			if (tree->chain) MEM_freeN(tree->chain);
 			if (tree->free_points) MEM_freeN(tree->points);
diff --git a/source/blender/blenkernel/intern/image.c b/source/blender/blenkernel/intern/image.c
index eb478eaddf5..5588c8df161 100644
--- a/source/blender/blenkernel/intern/image.c
+++ b/source/blender/blenkernel/intern/image.c
@@ -779,10 +779,12 @@ void BKE_add_image_extension(char *string, int imtype)
 		if(!BLI_testextensie(string, ".bmp"))
 			extension= ".bmp";
 	}
-	else if(G.have_libtiff && (imtype==R_TIFF)) {
+#ifdef WITH_TIFF
+	else if(imtype==R_TIFF) {
 		if(!BLI_testextensie(string, ".tif") && 
 			!BLI_testextensie(string, ".tiff")) extension= ".tif";
 	}
+#endif
 #ifdef WITH_OPENEXR
 	else if( ELEM(imtype, R_OPENEXR, R_MULTILAYER)) {
 		if(!BLI_testextensie(string, ".exr"))
@@ -1187,12 +1189,14 @@ int BKE_write_ibuf(Scene *scene, ImBuf *ibuf, char *name, int imtype, int subimt
 	else if ((imtype==R_BMP)) {
 		ibuf->ftype= BMP;
 	}
-	else if ((G.have_libtiff) && (imtype==R_TIFF)) {
+#ifdef WITH_TIFF
+	else if (imtype==R_TIFF) {
 		ibuf->ftype= TIF;
 
 		if(subimtype & R_TIFF_16BIT)
 			ibuf->ftype |= TIF_16BIT;
 	}
+#endif
 #ifdef WITH_OPENEXR
 	else if (imtype==R_OPENEXR || imtype==R_MULTILAYER) {
 		ibuf->ftype= OPENEXR;
diff --git a/source/blender/blenkernel/intern/multires.c b/source/blender/blenkernel/intern/multires.c
index 52c6f9355a3..d8c39abc44a 100644
--- a/source/blender/blenkernel/intern/multires.c
+++ b/source/blender/blenkernel/intern/multires.c
@@ -207,7 +207,7 @@ void multiresModifier_join(Object *ob)
 }
 #endif
 
-int multiresModifier_reshapeFromDM(MultiresModifierData *mmd, Object *ob, DerivedMesh *srcdm)
+int multiresModifier_reshapeFromDM(Object *ob, DerivedMesh *srcdm)
 {
 	DerivedMesh *mrdm = get_multires_dm (ob);
 
@@ -228,13 +228,13 @@ int multiresModifier_reshapeFromDM(MultiresModifierData *mmd, Object *ob, Derive
 }
 
 /* Returns 1 on success, 0 if the src's totvert doesn't match */
-int multiresModifier_reshape(MultiresModifierData *mmd, Object *dst, Object *src)
+int multiresModifier_reshape(Object *dst, Object *src)
 {
 	DerivedMesh *srcdm = src->derivedFinal;
-	return multiresModifier_reshapeFromDM(mmd, dst, srcdm);
+	return multiresModifier_reshapeFromDM(dst, srcdm);
 }
 
-int multiresModifier_reshapeFromDeformMod(MultiresModifierData *mmd, Object *ob, ModifierData *md)
+int multiresModifier_reshapeFromDeformMod(Object *ob, ModifierData *md)
 {
 	ModifierTypeInfo *mti = modifierType_getInfo(md->type);
 	DerivedMesh *dm, *ndm;
@@ -256,7 +256,7 @@ int multiresModifier_reshapeFromDeformMod(MultiresModifierData *mmd, Object *ob,
 	dm->release(dm);
 
 	/* Reshaping */
-	result= multiresModifier_reshapeFromDM(mmd, ob, ndm);
+	result= multiresModifier_reshapeFromDM(ob, ndm);
 
 	/* Cleanup */
 	ndm->release(ndm);
diff --git a/source/blender/blenkernel/intern/packedFile.c b/source/blender/blenkernel/intern/packedFile.c
index fb973febf04..dc4a9ee3bdc 100644
--- a/source/blender/blenkernel/intern/packedFile.c
+++ b/source/blender/blenkernel/intern/packedFile.c
@@ -186,7 +186,7 @@ PackedFile *newPackedFile(ReportList *reports, char *filename)
 
 	file= open(name, O_BINARY|O_RDONLY);
 	if (file <= 0) {
-		BKE_reportf(reports, RPT_ERROR, "Can't open file: \"%s\"", name);
+		BKE_reportf(reports, RPT_ERROR, "Unable to pack file, source path not found: \"%s\"", name);
 	} else {
 		filelen = BLI_filesize(file);
 
@@ -216,15 +216,15 @@ void packAll(Main *bmain, ReportList *reports)
 	bSound *sound;
 
 	for(ima=bmain->image.first; ima; ima=ima->id.next)
-		if(ima->packedfile == NULL)
+		if(ima->packedfile == NULL && ima->id.lib==NULL && ELEM3(ima->type, IMA_SRC_FILE, IMA_SRC_SEQUENCE, IMA_SRC_MOVIE))
 			ima->packedfile = newPackedFile(reports, ima->name);
 
 	for(vf=bmain->vfont.first; vf; vf=vf->id.next)
-		if(vf->packedfile == NULL)
+		if(vf->packedfile == NULL && vf->id.lib==NULL)
 			vf->packedfile = newPackedFile(reports, vf->name);
 
 	for(sound=bmain->sound.first; sound; sound=sound->id.next)
-		if(sound->packedfile == NULL)
+		if(sound->packedfile == NULL && vf->id.lib==NULL)
 			sound->packedfile = newPackedFile(reports, sound->name);
 }
 
diff --git a/source/blender/blenkernel/intern/pointcache.c b/source/blender/blenkernel/intern/pointcache.c
index 160f8a35520..cb596622431 100644
--- a/source/blender/blenkernel/intern/pointcache.c
+++ b/source/blender/blenkernel/intern/pointcache.c
@@ -2366,8 +2366,12 @@ typedef struct {
 static void *ptcache_make_cache_thread(void *ptr) {
 	ptcache_make_cache_data *data = (ptcache_make_cache_data*)ptr;
 
-	for(; (*data->cfra_ptr <= data->endframe) && !data->break_operation; *data->cfra_ptr+=data->step)
+	for(; (*data->cfra_ptr <= data->endframe) && !data->break_operation; *data->cfra_ptr+=data->step) {
 		scene_update_for_newframe(data->scene, data->scene->lay);
+		if(G.background) {
+			printf("bake: frame %d :: %d\n", (int)*data->cfra_ptr, data->endframe);
+		}
+	}
 
 	data->thread_ended = TRUE;
 	return NULL;
@@ -2489,36 +2493,40 @@ void BKE_ptcache_make_cache(PTCacheBaker* baker)
 	thread_data.thread_ended = FALSE;
 	old_progress = -1;
 	
-	BLI_init_threads(&threads, ptcache_make_cache_thread, 1);
-	BLI_insert_thread(&threads, (void*)&thread_data);
-	
-	while (thread_data.thread_ended == FALSE) {
+	if(G.background) {
+		ptcache_make_cache_thread((void*)&thread_data);
+	}
+	else {
+		BLI_init_threads(&threads, ptcache_make_cache_thread, 1);
+		BLI_insert_thread(&threads, (void*)&thread_data);
 
-		if(bake)
-			progress = (int)(100.0f * (float)(CFRA - startframe)/(float)(thread_data.endframe-startframe));
-		else
-			progress = CFRA;
+		while (thread_data.thread_ended == FALSE) {
 
-		/* NOTE: baking should not redraw whole ui as this slows things down */
-		if ((baker->progressbar) && (progress != old_progress)) {
-			baker->progressbar(baker->progresscontext, progress);
-			old_progress = progress;
-		}
-		
-		/* Delay to lessen CPU load from UI thread */
-		PIL_sleep_ms(200);
+			if(bake)
+				progress = (int)(100.0f * (float)(CFRA - startframe)/(float)(thread_data.endframe-startframe));
+			else
+				progress = CFRA;
+
+			/* NOTE: baking should not redraw whole ui as this slows things down */
+			if ((baker->progressbar) && (progress != old_progress)) {
+				baker->progressbar(baker->progresscontext, progress);
+				old_progress = progress;
+			}
+
+			/* Delay to lessen CPU load from UI thread */
+			PIL_sleep_ms(200);
 
-		/* NOTE: breaking baking should leave calculated frames in cache, not clear it */
-		if(blender_test_break() && !thread_data.break_operation) {
-			thread_data.break_operation = TRUE;
-			if (baker->progressend)
-				baker->progressend(baker->progresscontext);
-			WM_cursor_wait(1);
+			/* NOTE: breaking baking should leave calculated frames in cache, not clear it */
+			if(blender_test_break() && !thread_data.break_operation) {
+				thread_data.break_operation = TRUE;
+				if (baker->progressend)
+					baker->progressend(baker->progresscontext);
+				WM_cursor_wait(1);
+			}
 		}
-	}
 
 	BLI_end_threads(&threads);
-
+	}
 	/* clear baking flag */
 	if(pid) {
 		cache->flag &= ~(PTCACHE_BAKING|PTCACHE_REDO_NEEDED);