1 files changed, 1681 insertions, 0 deletions

diff --git a/source/blender/blenkernel/intern/object.c b/source/blender/blenkernel/intern/object.c
new file mode 100644
index 00000000000..c6c91d00609
--- /dev/null
+++ b/source/blender/blenkernel/intern/object.c
@@ -0,0 +1,1681 @@
+/* object.c  		MIXED MODEL
+ * 
+ * jan 95
+ * 
+ * $Id$
+ *
+ * ***** BEGIN GPL/BL DUAL 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. The Blender
+ * Foundation also sells licenses for use in proprietary software under
+ * the Blender License.  See http://www.blender.org/BL/ for information
+ * about this.
+ *
+ * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ *
+ * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
+ * All rights reserved.
+ *
+ * The Original Code is: all of this file.
+ *
+ * Contributor(s): none yet.
+ *
+ * ***** END GPL/BL DUAL LICENSE BLOCK *****
+ */
+
+
+
+#include <string.h>
+#include <math.h>
+#include <stdio.h>			
+#ifdef WIN32
+#include "BLI_winstuff.h"
+#endif
+#include "MEM_guardedalloc.h"
+
+#include "DNA_action_types.h"
+#include "DNA_armature_types.h"
+#include "DNA_camera_types.h"
+#include "DNA_constraint_types.h"
+#include "DNA_curve_types.h"
+#include "DNA_group_types.h"
+#include "DNA_ika_types.h"
+#include "DNA_ipo_types.h"
+#include "DNA_lamp_types.h"
+#include "DNA_lattice_types.h"
+#include "DNA_material_types.h"
+#include "DNA_mesh_types.h"
+#include "DNA_object_types.h"
+#include "DNA_scene_types.h"
+#include "DNA_screen_types.h"
+#include "DNA_space_types.h"
+#include "DNA_texture_types.h"
+#include "DNA_userdef_types.h"
+#include "DNA_view3d_types.h"
+#include "DNA_world_types.h"
+
+#include "BKE_armature.h"
+#include "BKE_action.h"
+#include "BKE_deform.h"
+#include "BKE_nla.h"
+
+#include "BLI_blenlib.h"
+#include "BLI_arithb.h"
+#include "BLI_editVert.h"
+
+#include "BKE_utildefines.h"
+#include "BKE_bad_level_calls.h"
+
+#include "BKE_main.h"
+#include "BKE_global.h"
+
+#include "BKE_object.h"
+#include "BKE_blender.h"
+#include "BKE_screen.h"
+#include "BKE_ipo.h"
+#include "BKE_ika.h"
+#include "BKE_library.h"
+#include "BKE_mesh.h"
+#include "BKE_curve.h"
+#include "BKE_mball.h"
+#include "BKE_effect.h"
+#include "BKE_sca.h"
+#include "BPY_extern.h"
+#include "BKE_displist.h"
+#include "BKE_property.h"
+#include "BKE_anim.h"
+#include "BKE_group.h"
+#include "BKE_lattice.h"
+#include "BKE_constraint.h"
+#include "BKE_scene.h"
+
+/* Local function protos */
+static void solve_parenting (Object *ob, Object *par, float slowmat[][4], int simul);
+
+float originmat[3][3];	/* na where_is_object(), kan her en der gebruikt worden */
+Object workob;
+
+void clear_workob(void)
+{
+	memset(&workob, 0, sizeof(Object));
+	
+	workob.size[0]= workob.size[1]= workob.size[2]= 1.0;
+	
+}
+
+void copy_baseflags()
+{
+	Base *base= G.scene->base.first;
+	
+	while(base) {
+		base->object->flag= base->flag;
+		base= base->next;
+	}
+}
+
+void copy_objectflags()
+{
+	Base *base= G.scene->base.first;
+	
+	while(base) {
+		base->flag= base->object->flag;
+		base= base->next;
+	}
+}
+
+void update_base_layer(Object *ob)
+{
+	Base *base= G.scene->base.first;
+
+	while (base) {
+		if (base->object == ob) base->lay= ob->lay;
+		base= base->next;
+	}
+}
+
+/* niet object zelf vrijgeven */
+void free_object(Object *ob)
+{
+	int a;
+	
+	/* specifieke data loskoppelen */
+	if(ob->data) {
+		ID *id= ob->data;
+		id->us--;
+		if(id->us==0) {
+			if(ob->type==OB_MESH) unlink_mesh(ob->data);
+			else if(ob->type==OB_CURVE) unlink_curve(ob->data);
+			else if(ob->type==OB_MBALL) unlink_mball(ob->data);
+		}
+		ob->data= 0;
+	}
+	
+	for(a=0; a<ob->totcol; a++) {
+		if(ob->mat[a]) ob->mat[a]->id.us--;
+	}
+	if(ob->mat) MEM_freeN(ob->mat);
+	ob->mat= 0;
+	if(ob->bb) MEM_freeN(ob->bb); 
+	ob->bb= 0;
+	if(ob->path) free_path(ob->path); 
+	ob->path= 0;
+	if(ob->ipo) ob->ipo->id.us--;
+	if(ob->action) ob->action->id.us--;
+	if(ob->defbase.first)
+		BLI_freelistN(&ob->defbase);
+	if(ob->pose) {
+		clear_pose(ob->pose);
+		MEM_freeN(ob->pose);
+	}
+	free_effects(&ob->effect);
+	BLI_freelistN(&ob->network);
+	free_properties(&ob->prop);
+	
+	free_sensors(&ob->sensors);
+	free_controllers(&ob->controllers);
+	free_actuators(&ob->actuators);
+	
+	free_constraints(&ob->constraints);
+	free_constraint_channels(&ob->constraintChannels);
+	free_nlastrips(&ob->nlastrips);
+
+	freedisplist(&ob->disp);
+	
+	BPY_free_scriptlink(&ob->scriptlink);
+}
+
+void unlink_object(Object *ob)
+{
+	Object *obt;
+	Material *mat;
+	World *wrld;
+	bScreen *sc;
+	Scene *sce;
+	Curve *cu;
+	Tex *tex;
+	Group *group;
+	int a;
+
+	unlink_controllers(&ob->controllers);
+	unlink_actuators(&ob->actuators);
+	
+	/* alle objecten aflopen: parents en bevels */
+	obt= G.main->object.first;
+	while(obt) {
+		if(obt->id.lib==0) {
+			if(obt->parent==ob) {
+				obt->parent= 0;
+				if(ob->type==OB_LATTICE) freedisplist(&obt->disp);
+			}
+			if(obt->track==ob) obt->track= 0;
+			if ELEM(obt->type, OB_CURVE, OB_FONT) {
+				cu= obt->data;
+				if(cu->bevobj==ob) cu->bevobj= 0;
+				if(cu->textoncurve==ob) cu->textoncurve= 0;
+			}
+			if(obt->type==OB_IKA) {
+				Ika *ika= obt->data;
+				Deform *def= ika->def;
+				
+				if(ika->parent==ob) ika->parent= 0;
+				a= ika->totdef;
+				while(a--) {
+					if(def->ob==ob) {
+						ika->totdef= 0;
+						MEM_freeN(ika->def);
+						ika->def= 0;
+						break;
+					}
+					def++;
+				}
+			}
+			sca_remove_ob_poin(obt, ob);
+		}
+		obt= obt->id.next;
+	}
+	
+	/* materialen */
+	mat= G.main->mat.first;
+	while(mat) {
+	
+		for(a=0; a<8; a++) {
+			if(mat->mtex[a] && ob==mat->mtex[a]->object) {
+				/* eigenlijk testen op lib */
+				mat->mtex[a]->object= 0;
+			}
+		}
+
+		mat= mat->id.next;
+	}
+	
+	/* textures */
+	tex= G.main->tex.first;
+	while(tex) {
+		if(tex->env) {
+			if(tex->env->object == ob) tex->env->object= 0;
+		}
+		tex= tex->id.next;
+	}
+	
+	/* mballs */
+	if(ob->type==OB_MBALL) {
+		obt= find_basis_mball(ob);
+		if(obt) freedisplist(&obt->disp);
+	}
+	
+	/* worlds */
+	wrld= G.main->world.first;
+	while(wrld) {
+		if(wrld->id.lib==0) {
+			for(a=0; a<6; a++) {
+				if(wrld->mtex[a] && ob==wrld->mtex[a]->object)
+					wrld->mtex[a]->object =0;
+			}
+		}
+		
+		wrld= wrld->id.next;
+	}
+		
+	/* scene's */
+	sce= G.main->scene.first;
+	while(sce) {
+		if(sce->id.lib==0) {
+			if(sce->camera==ob) sce->camera= 0;
+		}
+		sce= sce->id.next;
+	}
+	/* keys */
+	
+	/* screens */
+	sc= G.main->screen.first;
+	while(sc) {
+		ScrArea *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->camera==ob) {
+						v3d->camera= 0;
+						if(v3d->persp>1) v3d->persp= 1;
+					}
+					if(v3d->localvd && v3d->localvd->camera==ob ) {
+						v3d->localvd->camera= 0;
+						if(v3d->localvd->persp>1) v3d->localvd->persp= 1;
+					}
+				}
+			}
+
+			sa= sa->next;
+		}
+		sc= sc->id.next;
+	}
+
+	/* groups */
+	group= G.main->group.first;
+	while(group) {
+		rem_from_group(group, ob);
+		group= group->id.next;
+	}
+}
+
+int exist_object(Object *obtest)
+{
+	Object *ob;
+	
+	ob= G.main->object.first;
+	while(ob) {
+		if(ob==obtest) return 1;
+		ob= ob->id.next;
+	}
+	return 0;
+}
+
+void *add_camera()
+{
+	Camera *cam;
+	
+	cam=  alloc_libblock(&G.main->camera, ID_CA, "Camera");
+
+	cam->lens= 35.0f;
+	cam->clipsta= 0.1f;
+	cam->clipend= 100.0f;
+	cam->drawsize= 0.5f;
+	cam->netsta= 0.5f;
+	cam->netend= 10.0f;
+	cam->hold= 50;
+	
+	return cam;
+}
+
+Camera *copy_camera(Camera *cam)
+{
+	Camera *camn;
+	
+	camn= copy_libblock(cam);
+	id_us_plus((ID *)camn->ipo);
+
+	BPY_copy_scriptlink(&camn->scriptlink);
+	
+	return camn;
+}
+
+
+
+void make_local_camera(Camera *cam)
+{
+	Object *ob;
+	Camera *camn;
+	int local=0, lib=0;
+	
+	/* - zijn er alleen lib users: niet doen
+	 * - zijn er alleen locale users: flag zetten
+	 * - mixed: copy
+	 */
+	
+	if(cam->id.lib==0) return;
+	if(cam->id.us==1) {
+		cam->id.lib= 0;
+		cam->id.flag= LIB_LOCAL;
+		new_id(0, (ID *)cam, 0);
+		return;
+	}
+	
+	ob= G.main->object.first;
+	while(ob) {
+		if(ob->data==cam) {
+			if(ob->id.lib) lib= 1;
+			else local= 1;
+		}
+		ob= ob->id.next;
+	}
+	
+	if(local && lib==0) {
+		cam->id.lib= 0;
+		cam->id.flag= LIB_LOCAL;
+		new_id(0, (ID *)cam, 0);
+	}
+	else if(local && lib) {
+		camn= copy_camera(cam);
+		camn->id.us= 0;
+		
+		ob= G.main->object.first;
+		while(ob) {
+			if(ob->data==cam) {
+				
+				if(ob->id.lib==0) {
+					ob->data= camn;
+					camn->id.us++;
+					cam->id.us--;
+				}
+			}
+			ob= ob->id.next;
+		}
+	}
+}
+
+
+
+void *add_lamp(void)
+{
+	Lamp *la;
+	
+	la=  alloc_libblock(&G.main->lamp, ID_LA, "Lamp");
+	
+	la->r= la->g= la->b= 1.0;
+	la->haint= la->energy= 1.0;
+	la->dist= 20.0f;
+	la->spotsize= 45.0f;
+	la->spotblend= 0.15f;
+	la->att2= 1.0f;
+	la->mode= LA_SHAD;
+	la->bufsize= 512;
+	la->clipsta= 0.5f;
+	la->clipend= 40.0f;
+	la->shadspotsize= 45.0f;
+	la->samp= 3;
+	la->bias= 1.0f;
+	la->soft= 3.0f;
+
+	return la;
+}
+
+Lamp *copy_lamp(Lamp *la)
+{
+	Lamp *lan;
+	int a;
+	
+	lan= copy_libblock(la);
+
+	for(a=0; a<8; a++) {
+		if(lan->mtex[a]) {
+			lan->mtex[a]= MEM_mallocN(sizeof(MTex), "copylamptex");
+			memcpy(lan->mtex[a], la->mtex[a], sizeof(MTex));
+			id_us_plus((ID *)lan->mtex[a]->tex);
+		}
+	}
+	
+	id_us_plus((ID *)lan->ipo);
+
+	BPY_copy_scriptlink(&la->scriptlink);
+	
+	return lan;
+}
+
+void make_local_lamp(Lamp *la)
+{
+	Object *ob;
+	Lamp *lan;
+	int local=0, lib=0;
+	
+	/* - zijn er alleen lib users: niet doen
+	 * - zijn er alleen locale users: flag zetten
+	 * - mixed: copy
+	 */
+	
+	if(la->id.lib==0) return;
+	if(la->id.us==1) {
+		la->id.lib= 0;
+		la->id.flag= LIB_LOCAL;
+		new_id(0, (ID *)la, 0);
+		return;
+	}
+	
+	ob= G.main->object.first;
+	while(ob) {
+		if(ob->data==la) {
+			if(ob->id.lib) lib= 1;
+			else local= 1;
+		}
+		ob= ob->id.next;
+	}
+	
+	if(local && lib==0) {
+		la->id.lib= 0;
+		la->id.flag= LIB_LOCAL;
+		new_id(0, (ID *)la, 0);
+	}
+	else if(local && lib) {
+		lan= copy_lamp(la);
+		lan->id.us= 0;
+		
+		ob= G.main->object.first;
+		while(ob) {
+			if(ob->data==la) {
+				
+				if(ob->id.lib==0) {
+					ob->data= lan;
+					lan->id.us++;
+					la->id.us--;
+				}
+			}
+			ob= ob->id.next;
+		}
+	}
+}
+
+void free_camera(Camera *ca)
+{
+	BPY_free_scriptlink(&ca->scriptlink);
+}
+
+void free_lamp(Lamp *la)
+{
+	MTex *mtex;
+	int a;
+
+	/* scriptlinks */
+		
+	BPY_free_scriptlink(&la->scriptlink);
+	
+	for(a=0; a<8; a++) {
+		mtex= la->mtex[a];
+		if(mtex && mtex->tex) mtex->tex->id.us--;
+		if(mtex) MEM_freeN(mtex);
+	}
+	la->ipo= 0;
+}
+
+void *add_wave()
+{
+	return 0;
+}
+
+
+/* *************************************************** */
+
+static void *add_obdata_from_type(int type)
+{
+	switch (type) {
+	case OB_MESH: G.totmesh++; return add_mesh();
+	case OB_CURVE: G.totcurve++; return add_curve(OB_CURVE);
+	case OB_SURF: G.totcurve++; return add_curve(OB_SURF);
+	case OB_FONT: return add_curve(OB_FONT);
+	case OB_MBALL: return add_mball();
+	case OB_CAMERA: return add_camera();
+	case OB_LAMP: G.totlamp++; return add_lamp();
+	case OB_IKA: return add_ika();
+	case OB_LATTICE: return add_lattice();
+	case OB_WAVE: return add_wave();
+	case OB_ARMATURE: return add_armature();
+	case OB_EMPTY: return NULL;
+	default:
+		printf("add_obdata_from_type: Internal error, bad type: %d\n", type);
+		return NULL;
+	}
+}
+
+static char *get_obdata_defname(int type)
+{
+	switch (type) {
+	case OB_MESH: return "Mesh";
+	case OB_CURVE: return "Curve";
+	case OB_SURF: return "Surf";
+	case OB_FONT: return "Font";
+	case OB_MBALL: return "Mball";
+	case OB_CAMERA: return "Camera";
+	case OB_LAMP: return "Lamp";
+	case OB_IKA: return "Ika";
+	case OB_LATTICE: return "Lattice";
+	case OB_WAVE: return "Wave";
+	case OB_ARMATURE: return "Armature";
+	case OB_EMPTY: return "Empty";
+	default:
+		printf("get_obdata_defname: Internal error, bad type: %d\n", type);
+		return "Empty";
+	}
+}
+
+/* algemene add: in G.scene, met layer uit area en default naam */
+/* maakt alle minimaal nodige datablokken aan, zonder vertices etc. */
+Object *add_object(int type)
+{
+	Object *ob;
+	Base *base;
+	char name[32];
+
+	if (G.obpose)
+		exit_posemode(1);
+	
+	strcpy(name, get_obdata_defname(type));
+	
+	ob= alloc_libblock(&G.main->object, ID_OB, name);
+	G.totobj++;
+	
+	/* default object vars */
+	ob->type= type;
+	/* ob->transflag= OB_QUAT; */
+	
+	QuatOne(ob->quat);
+	QuatOne(ob->dquat);
+
+	ob->col[0]= ob->col[1]= ob->col[2]= 0.0;
+	ob->col[3]= 1.0;
+	
+	ob->loc[0]= ob->loc[1]= ob->loc[2]= 0.0;
+	ob->rot[0]= ob->rot[1]= ob->rot[2]= 0.0;
+	ob->size[0]= ob->size[1]= ob->size[2]= 1.0;
+
+	Mat4One(ob->parentinv);
+	Mat4One(ob->obmat);
+	ob->dt= OB_SHADED;
+	if(U.flag & MAT_ON_OB) ob->colbits= -1;
+	
+	if(type==OB_CAMERA || type==OB_LAMP) {
+		ob->trackflag= OB_NEGZ;
+		ob->upflag= OB_POSY;
+	}
+	else {
+		ob->trackflag= OB_POSY;
+		ob->upflag= OB_POSZ;
+	}
+	ob->ipoflag = OB_OFFS_OB+OB_OFFS_PARENT;
+	
+	ob->dupon= 1; ob->dupoff= 0;
+	ob->dupsta= 1; ob->dupend= 100;
+
+	/* Gameengine defaults*/
+	ob->mass= ob->inertia= 1.0f;
+	ob->formfactor= 0.4f;
+	ob->damping= 0.04f;
+	ob->rdamping= 0.1f;
+	ob->anisotropicFriction[0] = 1.0f;
+	ob->anisotropicFriction[1] = 1.0f;
+	ob->anisotropicFriction[2] = 1.0f;
+	ob->gameflag= OB_PROP;
+	
+	ob->data= add_obdata_from_type(type);
+	
+	ob->lay= G.scene->lay;
+
+	base= scene_add_base(G.scene, ob);
+	scene_select_base(G.scene, base);
+
+	return ob;
+}
+
+void base_init_from_view3d(Base *base, View3D *v3d)
+{
+	Object *ob= base->object;
+
+	if (v3d->localview) {
+		base->lay= ob->lay= v3d->layact + v3d->lay;
+		VECCOPY(ob->loc, v3d->cursor);
+	} else {
+		base->lay= ob->lay= v3d->layact;
+		VECCOPY(ob->loc, G.scene->cursor);
+	}
+
+	v3d->viewquat[0]= -v3d->viewquat[0];
+	if (ob->transflag & OB_QUAT) {
+		QUATCOPY(ob->quat, v3d->viewquat);
+	} else {
+		QuatToEul(v3d->viewquat, ob->rot);
+	}
+	v3d->viewquat[0]= -v3d->viewquat[0];
+}
+
+Object *copy_object(Object *ob)
+{
+	Object *obn;
+	int a;
+	bConstraintChannel *actcon;
+
+	obn= copy_libblock(ob);
+	
+	if(ob->totcol) {
+		obn->mat= MEM_dupallocN(ob->mat);
+	}
+	
+	if(ob->bb) obn->bb= MEM_dupallocN(ob->bb);
+	obn->path= 0;
+	obn->flag &= ~OB_FROMGROUP;
+	
+	copy_effects(&obn->effect, &ob->effect);
+	
+	obn->network.first= obn->network.last= 0;
+	
+	BPY_copy_scriptlink(&ob->scriptlink);
+	
+	copy_properties(&obn->prop, &ob->prop);
+	copy_sensors(&obn->sensors, &ob->sensors);
+	copy_controllers(&obn->controllers, &ob->controllers);
+	copy_actuators(&obn->actuators, &ob->actuators);
+	
+	copy_pose(&obn->pose, ob->pose, 1);
+	copy_defgroups(&obn->defbase, &ob->defbase);
+	copy_nlastrips(&obn->nlastrips, &ob->nlastrips);
+	copy_constraints (&obn->constraints, &ob->constraints);
+
+	actcon = clone_constraint_channels (&obn->constraintChannels, &ob->constraintChannels, ob->activecon);
+	/* If the active constraint channel was in this list, update it */
+	if (actcon)
+		obn->activecon = actcon;
+
+	/* usernummers ophogen */
+	id_us_plus((ID *)obn->data);
+	id_us_plus((ID *)obn->ipo);
+	id_us_plus((ID *)obn->action);
+	for(a=0; a<obn->totcol; a++) id_us_plus((ID *)obn->mat[a]);
+	
+	obn->disp.first= obn->disp.last= 0;
+	
+	return obn;
+}
+
+void expand_local_object(Object *ob)
+{
+	int a;
+	
+	id_lib_extern((ID *)ob->action);
+	id_lib_extern((ID *)ob->ipo);
+	id_lib_extern((ID *)ob->data);
+	
+	for(a=0; a<ob->totcol; a++) {
+		id_lib_extern((ID *)ob->mat[a]);
+	}
+}
+
+void make_local_object(Object *ob)
+{
+	Object *obn;
+	Scene *sce;
+	Base *base;
+	int local=0, lib=0;
+	
+	/* - zijn er alleen lib users: niet doen
+	 * - zijn er alleen locale users: flag zetten
+	 * - mixed: copy
+	 */
+	
+	if(ob->id.lib==0) return;
+	if(ob->id.us==1) {
+		ob->id.lib= 0;
+		ob->id.flag= LIB_LOCAL;
+		new_id(0, (ID *)ob, 0);
+
+	}
+	else {
+		sce= G.main->scene.first;
+		while(sce) {
+			base= sce->base.first;
+			while(base) {
+				if(base->object==ob) {
+					if(sce->id.lib) lib++;
+					else local++;
+					break;
+				}
+				base= base->next;
+			}
+			sce= sce->id.next;
+		}
+		
+		if(local && lib==0) {
+			ob->id.lib= 0;
+			ob->id.flag= LIB_LOCAL;
+			new_id(0, (ID *)ob, 0);
+		}
+		else if(local && lib) {
+			obn= copy_object(ob);
+			obn->id.us= 0;
+			
+			sce= G.main->scene.first;
+			while(sce) {
+				if(sce->id.lib==0) {
+					base= sce->base.first;
+					while(base) {
+						if(base->object==ob) {
+							base->object= obn;
+							obn->id.us++;
+							ob->id.us--;
+						}
+						base= base->next;
+					}
+				}
+				sce= sce->id.next;
+			}
+		}
+	}
+	
+	expand_local_object(ob);
+}
+
+/* *************** CALC ****************** */
+
+/* er zit ook een tijdberekening in de drawobject() */
+
+float bluroffs= 0.0;
+int no_speed_curve= 0;
+
+void set_mblur_offs(int blur)
+{
+	bluroffs= R.r.blurfac*((float)blur);
+	bluroffs/= (float)R.r.osa;
+}
+	
+void disable_speed_curve(int val)
+{
+	no_speed_curve= val;
+}
+
+float bsystem_time(Object *ob, Object *par, float cfra, float ofs)
+{
+	/* geeft float terug ( zie ook frame_to_float in ipo.c) */
+
+	if(no_speed_curve==0) if(ob && ob->ipo) cfra= calc_ipo_time(ob->ipo, cfra);
+	
+	/* tweede field */
+	if(R.flag & R_SEC_FIELD) {
+		if(R.r.mode & R_FIELDSTILL); else cfra+= .5;
+	}
+
+	/* motion blur */
+	cfra+= bluroffs;
+
+	/* global time */
+	cfra*= G.scene->r.framelen;	
+	
+	/* ofset frames */
+	if(ob && (ob->ipoflag & OB_OFFS_PARENT)) {
+		if((ob->partype & PARSLOW)==0) cfra-= ob->sf;
+	}
+	
+	cfra-= ofs;
+
+	return cfra;
+}
+
+void object_to_mat3(Object *ob, float mat[][3])	/* no parent */
+{
+	float smat[3][3], vec[3];
+	float rmat[3][3];
+	float q1[4];
+	
+	/* size */
+	if(ob->ipo) {
+		vec[0]= ob->size[0]+ob->dsize[0];
+		vec[1]= ob->size[1]+ob->dsize[1];
+		vec[2]= ob->size[2]+ob->dsize[2];
+		SizeToMat3(vec, smat);
+	}
+	else {
+		SizeToMat3(ob->size, smat);
+	}
+
+	/* rot */
+	if(ob->transflag & OB_QUAT) {
+		if(ob->ipo) {
+			QuatMul(q1, ob->quat, ob->dquat);
+			QuatToMat3(q1, rmat);
+		}
+		else {
+			QuatToMat3(ob->quat, rmat);
+		}
+	}
+	else {
+		if(ob->ipo) {
+			vec[0]= ob->rot[0]+ob->drot[0];
+			vec[1]= ob->rot[1]+ob->drot[1];
+			vec[2]= ob->rot[2]+ob->drot[2];
+			EulToMat3(vec, rmat);
+		}
+		else {
+			EulToMat3(ob->rot, rmat);
+		}
+	}
+	Mat3MulMat3(mat, rmat, smat);
+}
+
+void object_to_mat4(Object *ob, float mat[][4])
+{
+	float tmat[3][3];
+	
+	object_to_mat3(ob, tmat);
+	
+	Mat4CpyMat3(mat, tmat);
+	
+	VECCOPY(mat[3], ob->loc);
+	if(ob->ipo) {
+		mat[3][0]+= ob->dloc[0];
+		mat[3][1]+= ob->dloc[1];
+		mat[3][2]+= ob->dloc[2];
+	}
+}
+
+int enable_cu_speed= 1;
+
+void ob_parcurve(Object *ob, Object *par, float mat[][4])
+{
+	Curve *cu;
+	float q[4], vec[4], dir[3], *quat, x1, ctime;
+	
+	Mat4One(mat);
+	
+	cu= par->data;
+	if(cu->path==0 || cu->path->data==0) calc_curvepath(par);
+	if(cu->path==0) return;
+	
+	/* uitzondering afvangen: curve paden die als duplicator worden gebruikt */
+	if(enable_cu_speed) {
+		ctime= bsystem_time(ob, par, (float)G.scene->r.cfra, 0.0);
+		
+		if(calc_ipo_spec(cu->ipo, CU_SPEED, &ctime)==0) {
+			ctime /= cu->pathlen;
+			CLAMP(ctime, 0.0, 1.0);
+		}
+	}
+	else {
+		ctime= G.scene->r.cfra - ob->sf;
+		ctime /= cu->pathlen;
+		
+		CLAMP(ctime, 0.0, 1.0);
+	}
+
+ 	if( where_on_path(par, ctime, vec, dir) ) {
+
+		if(cu->flag & CU_FOLLOW) {
+			quat= vectoquat(dir, ob->trackflag, ob->upflag);
+
+			Normalise(dir);
+			q[0]= (float)cos(0.5*vec[3]);
+			x1= (float)sin(0.5*vec[3]);
+			q[1]= -x1*dir[0];
+			q[2]= -x1*dir[1];
+			q[3]= -x1*dir[2];
+			QuatMul(quat, q, quat);
+			
+			QuatToMat4(quat, mat);
+		}
+		
+		VECCOPY(mat[3], vec);
+		
+	}
+}
+
+void ob_parbone(Object *ob, Object *par, float mat[][4])
+{	
+	Bone *bone;
+	bArmature *arm;
+
+	Mat4One(mat);
+	arm=get_armature(par);
+	if (!arm)
+		return;
+
+	/* Make sure the bone is still valid */
+	bone = get_named_bone(arm, ob->parsubstr);
+	if (!bone){
+		printf ("Lost bone %s\n", ob->parsubstr);
+		return;
+	}
+
+	apply_pose_armature(arm, par->pose, 1);	/* Hopefully can set doit parameter in the future */
+	where_is_bone (par, bone); 
+
+	/* Translate by negative bone */
+	get_objectspace_bone_matrix(bone, mat, 0, 1);
+
+}
+
+void ob_parlimb(Object *ob, Object *par, float mat[][4])
+{	
+	Ika *ika;
+	Limb *li;
+	float ang=0.0;
+	int cur=0;
+	
+	/* in lokale ob space */
+	Mat4One(mat);
+	
+	ika= par->data;
+	li= ika->limbbase.first;
+	while(li) {
+		ang+= li->alpha;
+		if(cur==ob->par1 || li->next==0) break;
+		
+		cur++;
+		li= li->next;
+	}
+	
+	mat[0][0]= (float)cos(ang);
+	mat[1][0]= (float)-sin(ang);
+	mat[0][1]= (float)sin(ang);
+	mat[1][1]= (float)cos(ang);
+	
+	mat[3][0]= li->eff[0];
+	mat[3][1]= li->eff[1];
+	
+}
+
+void give_parvert(Object *par, int nr, float *vec)
+{
+	Mesh *me;
+	MVert *mvert;
+	EditVert *eve;
+/*  	extern ListBase editNurb; already in bad lev calls */
+	Nurb *nu;
+	Curve *cu;
+	BPoint *bp;
+	DispList *dl;
+	BezTriple *bezt;
+	float *fp;
+	int a, count;
+	
+	vec[0]=vec[1]=vec[2]= 0.0;
+	
+	if(par->type==OB_MESH) {
+		if(par==G.obedit) {
+			if(nr >= G.totvert) nr= 0;
+
+			count= 0;
+			eve= G.edve.first;
+			while(eve) {
+				if(count==nr) {
+					memcpy(vec, eve->co, 12);
+					break;
+				}
+				eve= eve->next;
+				count++;
+			}
+		}
+		else {
+			me= par->data;
+			if(me->totvert) {
+				if(nr >= me->totvert) nr= 0;
+				
+				/* is er deform */
+				dl= find_displist(&par->disp, DL_VERTS);
+				if(dl) {
+					fp= dl->verts+3*nr;
+					VECCOPY(vec, fp);
+				}
+				else {
+					mvert= me->mvert + nr;
+					VECCOPY(vec, mvert->co);
+				}
+			}
+		}
+	}
+	else if ELEM(par->type, OB_CURVE, OB_SURF) {
+
+		cu= par->data;
+		nu= cu->nurb.first;
+		if(par==G.obedit) nu= editNurb.first;
+		
+		count= 0;
+		while(nu) {
+			if((nu->type & 7)==CU_BEZIER) {
+				bezt= nu->bezt;
+				a= nu->pntsu;
+				while(a--) {
+					if(count==nr) {
+						VECCOPY(vec, bezt->vec[1]);
+						break;
+					}
+					count++;
+					bezt++;
+				}
+			}
+			else {
+				bp= nu->bp;
+				a= nu->pntsu*nu->pntsv;
+				while(a--) {
+					if(count==nr) {
+						memcpy(vec, bp->vec, 12);
+						break;
+					}
+					count++;
+					bp++;
+				}
+			}
+			nu= nu->next;
+		}
+
+	}
+	else if(par->type==OB_IKA) {
+		Ika *ika= par->data;
+		Limb *li= ika->limbbase.first;
+		int cur= 1;
+		if(nr) {
+			while(li) {
+				if(cur==nr || li->next==0) break;
+				cur++;
+				li= li->next;
+			}
+			vec[0]= li->eff[0];
+			vec[1]= li->eff[1];
+		}
+	}
+	else return;
+}
+
+void ob_parvert3(Object *ob, Object *par, float mat[][4])
+{
+	float cmat[3][3], v1[3], v2[3], v3[3], q[4];
+
+	/* in lokale ob space */
+	Mat4One(mat);
+	
+	if ELEM3(par->type, OB_MESH, OB_SURF, OB_CURVE) {
+		
+		give_parvert(par, ob->par1, v1);
+		give_parvert(par, ob->par2, v2);
+		give_parvert(par, ob->par3, v3);
+				
+		triatoquat(v1, v2, v3, q);
+		QuatToMat3(q, cmat);
+		Mat4CpyMat3(mat, cmat);
+		
+		if(ob->type==OB_CURVE) {
+			VECCOPY(mat[3], v1);
+		}
+		else {
+			VecAddf(mat[3], v1, v2);
+			VecAddf(mat[3], mat[3], v3);
+			VecMulf(mat[3], 0.3333333f);
+		}
+	}
+}
+
+static int no_parent_ipo=0;
+void set_no_parent_ipo(int val)
+{
+	no_parent_ipo= val;
+}
+
+static float timefac= 1.0;		/* 50 Hz, dtime:2 */
+void set_dtime(int dtime)
+{
+	timefac= ((float)(dtime-1))/2.0f;
+}
+
+static int during_script_flag=0;
+void disable_where_script(short on)
+{
+	during_script_flag= on;	
+}
+
+int during_script(void) {
+	return during_script_flag;
+}
+
+void where_is_object_time(Object *ob, float ctime)
+{
+	Object *par;
+	float *fp1, *fp2, slowmat[4][4] = MAT4_UNITY;
+	float stime, fac1, fac2;
+	int a;
+	int pop; 
+	
+	/* nieuwe versie: correcte parent+vertexparent en track+parent */
+	/* deze berekent alleen de directe relatie met de parent en track */
+	/* hij is sneller, maar moet wel de timeoffs in de gaten houden */
+	
+	if(ob==0) return;
+
+	if( ctime != ob->ctime) {
+		ob->ctime= ctime;
+		
+		if(ob->ipo) {
+			
+			stime= bsystem_time(ob, 0, ctime, 0.0);
+
+			calc_ipo(ob->ipo, stime);
+			execute_ipo((ID *)ob, ob->ipo);
+		}			
+	}
+
+
+	if(ob->type==OB_IKA) {
+		Ika *ika= ob->data;
+		if(ika->parent) where_is_object_time(ika->parent, ctime);
+	}
+
+	if(ob->parent) {
+		par= ob->parent;
+
+		if(ob->ipoflag & OB_OFFS_PARENT) ctime-= ob->sf;
+		
+		pop= 0;
+		if(no_parent_ipo==0 && ctime != par->ctime) {
+		
+			// alleen voor ipo systemen? 
+			pushdata(par, sizeof(Object));
+			pop= 1;
+			
+			where_is_object_time(par, ctime);
+		}
+		
+		solve_parenting(ob, par, slowmat, 0);
+
+		if(pop) {
+			poplast(par);
+		}
+		
+		if(ob->partype & PARSLOW) {
+			// framerate meetellen 
+
+			fac1= (float)(timefac/(1.0+ fabs(ob->sf)));
+			if(fac1>=1.0) return;
+			fac2= 1.0f-fac1;
+			
+			fp1= ob->obmat[0];
+			fp2= slowmat[0];
+			for(a=0; a<16; a++, fp1++, fp2++) {
+				fp1[0]= fac1*fp1[0] + fac2*fp2[0];
+			}
+		}
+	
+	}
+	else {
+		object_to_mat4(ob, ob->obmat);
+	}
+
+	/* Handle tracking */
+	if(ob->track) {
+		if( ctime != ob->track->ctime) where_is_object_time(ob->track, ctime);
+		solve_tracking (ob, ob->track->obmat);
+		
+	}
+
+	solve_constraints (ob, TARGET_OBJECT, NULL, ctime);
+
+	if(ob->scriptlink.totscript && !during_script()) {
+		BPY_do_pyscript((ID *)ob, SCRIPT_REDRAW);
+	}
+}
+
+static void solve_parenting (Object *ob, Object *par, float slowmat[][4], int simul)
+{
+	float totmat[4][4];
+	float tmat[4][4];
+	float obmat[4][4];
+	float vec[3];
+	int ok;
+
+	object_to_mat4(ob, obmat);
+	
+	if(ob->partype & PARSLOW) Mat4CpyMat4(slowmat, ob->obmat);
+	
+
+	switch(ob->partype & PARTYPE) {
+	case PAROBJECT:
+		ok= 0;
+		if(par->type==OB_CURVE) {
+			if( ((Curve *)par->data)->flag & CU_PATH ) {
+				ob_parcurve(ob, par, tmat);
+				ok= 1;
+			}
+		}
+		
+		if(ok) Mat4MulSerie(totmat, par->obmat, tmat, 
+			NULL, NULL, NULL, NULL, NULL, NULL);
+		else Mat4CpyMat4(totmat, par->obmat);
+		
+		break;
+	case PARBONE:
+		ob_parbone(ob, par, tmat);
+		Mat4MulSerie(totmat, par->obmat, tmat,         
+			NULL, NULL, NULL, NULL, NULL, NULL);
+		break;
+	case PARLIMB:	
+		ob_parlimb(ob, par, tmat);
+		Mat4MulSerie(totmat, par->obmat, tmat,         
+			NULL, NULL, NULL, NULL, NULL, NULL);
+		break;
+		
+	case PARVERT1:
+		Mat4One(totmat);
+		if (simul){
+			VECCOPY(totmat[3], par->obmat[3]);
+		}
+		else{
+			give_parvert(par, ob->par1, vec);
+			VecMat4MulVecfl(totmat[3], par->obmat, vec);
+		}
+		break;
+	case PARVERT3:
+		ob_parvert3(ob, par, tmat);
+		
+		Mat4MulSerie(totmat, par->obmat, tmat,         
+			NULL, NULL, NULL, NULL, NULL, NULL);
+		break;
+		
+	case PARSKEL:
+#if 0
+		if (ob!=G.obedit)
+			Mat4One(totmat);
+		else
+			Mat4CpyMat4(totmat, par->obmat);
+		break;
+#else
+			Mat4CpyMat4(totmat, par->obmat);
+#endif
+	}
+	
+	// totaal 
+	Mat4MulSerie(tmat, totmat, ob->parentinv,         
+		NULL, NULL, NULL, NULL, NULL, NULL);
+	Mat4MulSerie(ob->obmat, tmat, obmat,         
+		NULL, NULL, NULL, NULL, NULL, NULL);
+	
+	if (simul){
+
+	}
+	else{
+		// >>>>>>>>>>>>>>>>>>
+		// dit is een extern bruikbare originmat 
+		Mat3CpyMat4(originmat, tmat);
+		
+		// origin, voor hulplijntje 
+		if( (ob->partype & 15)==PARSKEL ) {
+			VECCOPY(ob->orig, par->obmat[3]);
+		}
+		else {
+			VECCOPY(ob->orig, totmat[3]);
+		}
+	}
+
+}
+void solve_tracking (Object *ob, float targetmat[][4])
+{
+	float *quat;
+	float vec[3];
+	float totmat[3][3];
+	float tmat[4][4];
+	
+	VecSubf(vec, ob->obmat[3], targetmat[3]);
+	quat= vectoquat(vec, ob->trackflag, ob->upflag);
+	QuatToMat3(quat, totmat);
+	
+	if(ob->parent && (ob->transflag & OB_POWERTRACK)) {
+		/* 'tijdelijk' : parent info wissen */
+		object_to_mat4(ob, tmat);
+		tmat[0][3]= ob->obmat[0][3];
+		tmat[1][3]= ob->obmat[1][3];
+		tmat[2][3]= ob->obmat[2][3];
+		tmat[3][0]= ob->obmat[3][0];
+		tmat[3][1]= ob->obmat[3][1];
+		tmat[3][2]= ob->obmat[3][2];
+		tmat[3][3]= ob->obmat[3][3];
+	}
+	else Mat4CpyMat4(tmat, ob->obmat);
+	
+	Mat4MulMat34(ob->obmat, totmat, tmat);
+	
+}
+
+void where_is_object(Object *ob)
+{
+	
+	/* deze zijn gememcopied */
+	if(ob->flag & OB_FROMDUPLI) return;
+	
+	where_is_object_time(ob, (float)G.scene->r.cfra);
+}
+
+
+void where_is_object_simul(Object *ob)
+/* It seems that this function is only called
+for a lamp that is the child of another object */
+{
+	Object *par;
+	Ipo *ipo;
+	float *fp1, *fp2;
+	float slowmat[4][4];
+	float fac1, fac2;
+	int a;
+	
+	/* nieuwe versie: correcte parent+vertexparent en track+parent */
+	/* deze berekent alleen de directe relatie met de parent en track */
+	/* GEEN TIMEOFFS */
+	
+	/* geen ipo! (ivm dloc en realtime-ipos) */
+	ipo= ob->ipo;
+	ob->ipo= NULL;
+
+	if(ob->parent) {
+		par= ob->parent;
+		
+		solve_parenting(ob, par, slowmat, 1);
+
+		if(ob->partype & PARSLOW) {
+
+			fac1= (float)(1.0/(1.0+ fabs(ob->sf)));
+			fac2= 1.0f-fac1;
+			fp1= ob->obmat[0];
+			fp2= slowmat[0];
+			for(a=0; a<16; a++, fp1++, fp2++) {
+				fp1[0]= fac1*fp1[0] + fac2*fp2[0];
+			}
+		}
+		
+	}
+	else {
+		object_to_mat4(ob, ob->obmat);
+	}
+	
+	if(ob->track) 
+		solve_tracking(ob, ob->track->obmat);
+
+	solve_constraints(ob, TARGET_OBJECT, NULL, G.scene->r.cfra);
+	
+	/*  LET OP!!! */
+	ob->ipo= ipo;
+	
+}
+extern void Mat4BlendMat4(float out[][4], float dst[][4], float src[][4], float srcweight);
+
+void solve_constraints (Object *ob, short obtype, void *obdata, float ctime)
+{
+	bConstraint *con;
+	float tmat[4][4], focusmat[4][4], lastmat[4][4];
+	int i, clear=1, tot=0;
+	float	a;
+	float	aquat[4], quat[4];
+	float	aloc[3], loc[3];
+	float	asize[3], size[3];
+	float	oldmat[4][4];
+	float	smat[3][3], rmat[3][3], mat[3][3];
+	float enf;
+
+	for (con = ob->constraints.first; con; con=con->next){
+		/* Clear accumulators if necessary*/
+		if (clear){
+			clear=0;
+			a=0;
+			tot=0;
+			memset(aquat, 0, sizeof(float)*4);
+			memset(aloc, 0, sizeof(float)*3);
+			memset(asize, 0, sizeof(float)*3);
+		}
+		
+		/* Check this constraint only if it has some enforcement */
+	//	if (con->enforce > 0)
+		if (!(con->flag & CONSTRAINT_DISABLE))
+		{
+			if (con->enforce==0)
+				enf = 0.001f;
+				enf = con->enforce;
+
+			/* Get the targetmat */
+			get_constraint_target(con, obtype, obdata, tmat, size, ctime);
+			
+			Mat4CpyMat4(focusmat, tmat);
+			
+			/* Extract the components & accumulate */
+			Mat4ToQuat(focusmat, quat);
+			VECCOPY(loc, focusmat[3]);
+			
+			a+=enf;
+			tot++;
+			
+			for(i=0; i<3; i++){
+				aquat[i+1]+=(quat[i+1]) * enf;
+				aloc[i]+=(loc[i]) * enf;
+				asize[i]+=(size[i]-1.0f) * enf;
+			}
+			aquat[0]+=(quat[0])*enf;
+			Mat4CpyMat4(lastmat, focusmat);
+		}
+		
+		/* If the next constraint is not the same type (or there isn't one),
+		 *	then evaluate the accumulator & request a clear */
+		if ((!con->next)||(con->next && con->next->type!=con->type))
+		{
+			clear=1;
+			Mat4CpyMat4(oldmat, ob->obmat);
+
+			/*	If we have several inputs, do a blend of them */
+			if (tot){
+				if (tot>1){
+					if (a){
+						for (i=0; i<3; i++){
+							asize[i]=1.0f + (asize[i]/(a));
+							aloc[i]=(aloc[i]/a);
+						}
+						
+						NormalQuat(aquat);
+						
+						QuatToMat3(aquat, rmat);
+						SizeToMat3(asize, smat);
+						Mat3MulMat3(mat, rmat, smat);
+						Mat4CpyMat3(focusmat, mat);
+						VECCOPY(focusmat[3], aloc);
+						
+						evaluate_constraint(con, ob, obtype, obdata, focusmat);
+					}
+					
+				}	
+				/* If we only have one, blend with the current obmat */
+				else{
+					float solution[4][4];
+					float delta[4][4];
+					float imat[4][4];
+					float identity[4][4];
+					float worldmat[4][4];
+					
+					if (con->type!=CONSTRAINT_TYPE_KINEMATIC){
+						/* If we're not an IK constraint, solve the constraint then blend it to the previous one */
+						evaluate_constraint(con, ob, obtype, obdata, lastmat);
+						
+						Mat4CpyMat4 (solution, ob->obmat);
+						
+						/* Interpolate the enforcement */					
+						Mat4Invert (imat, oldmat);
+						Mat4MulMat4 (delta, solution, imat);
+						
+						Mat4One(identity);
+						Mat4BlendMat4(delta, identity, delta, a);
+						Mat4MulMat4 (ob->obmat, delta, oldmat);
+
+					}
+					else{
+						/* Interpolate the target between the chain's unconstrained endpoint and the effector loc */
+						if (obtype==TARGET_BONE){
+							get_objectspace_bone_matrix(obdata, oldmat, 1, 1);
+							
+							Mat4MulMat4(worldmat, oldmat, ob->parent->obmat);
+
+							Mat4BlendMat4(focusmat, worldmat, lastmat, a);
+							
+							evaluate_constraint(con, ob, obtype, obdata, focusmat);
+						}
+					}
+				}
+			}
+		}
+	}	
+}
+void what_does_parent1(Object *par, int partype, int par1, int par2, int par3)
+{
+
+	clear_workob();
+	Mat4One(workob.parentinv);
+	workob.parent= par;
+	if(par) 
+		workob.track= par->track;	/* LET OP: NIET ECHT NETJES */
+	workob.partype= partype;
+	workob.par1= par1;
+	workob.par2= par2;
+	workob.par3= par3;
+
+	if (par){
+		workob.constraints.first = par->constraints.first;
+		workob.constraints.last = par->constraints.last;
+	}
+
+	where_is_object(&workob);
+}
+
+
+void what_does_parent(Object *ob)
+{
+
+	clear_workob();
+	Mat4One(workob.obmat);
+	Mat4One(workob.parentinv);
+	workob.parent= ob->parent;
+	workob.track= ob->track;
+
+	workob.trackflag= ob->trackflag;
+	workob.upflag= ob->upflag;
+	
+	workob.partype= ob->partype;
+	workob.par1= ob->par1;
+	workob.par2= ob->par2;
+	workob.par3= ob->par3;
+
+	workob.constraints.first = ob->constraints.first;
+	workob.constraints.last = ob->constraints.last;
+
+	strcpy (workob.parsubstr, ob->parsubstr); 
+
+	where_is_object(&workob);
+}
+
+BoundBox *unit_boundbox()
+{
+	BoundBox *bb;
+	
+	bb= MEM_mallocN(sizeof(BoundBox), "bb");
+
+	bb->vec[0][0]=bb->vec[1][0]=bb->vec[2][0]=bb->vec[3][0]= -1.0;
+	bb->vec[4][0]=bb->vec[5][0]=bb->vec[6][0]=bb->vec[7][0]= 1.0;
+	
+	bb->vec[0][1]=bb->vec[1][1]=bb->vec[4][1]=bb->vec[5][1]= -1.0;
+	bb->vec[2][1]=bb->vec[3][1]=bb->vec[6][1]=bb->vec[7][1]= 1.0;
+
+	bb->vec[0][2]=bb->vec[3][2]=bb->vec[4][2]=bb->vec[7][2]= -1.0;
+	bb->vec[1][2]=bb->vec[2][2]=bb->vec[5][2]=bb->vec[6][2]= 1.0;
+	
+	return bb;
+}
+
+void minmax_object(Object *ob, float *min, float *max)
+{
+	BoundBox bb;
+	Mesh *me;
+	Curve *cu;
+	float vec[3];
+	int a;
+	
+	switch(ob->type) {
+		
+	case OB_CURVE:
+	case OB_FONT:
+	case OB_SURF:
+		cu= ob->data;
+		
+		if(cu->bb==0) tex_space_curve(cu);
+		bb= *(cu->bb);
+		
+		for(a=0; a<8; a++) {
+			Mat4MulVecfl(ob->obmat, bb.vec[a]);
+			DO_MINMAX(bb.vec[a], min, max);
+		}
+		break;
+
+	case OB_MESH:
+		me= get_mesh(ob);
+		
+		if(me) {
+			if(me->bb==0) tex_space_mesh(me);
+			bb= *(me->bb);
+			
+			for(a=0; a<8; a++) {
+				Mat4MulVecfl(ob->obmat, bb.vec[a]);
+				DO_MINMAX(bb.vec[a], min, max);
+			}
+		}
+		if(min[0] < max[0] ) break;
+		
+		/* else here no break!!!, mesh can be zero sized */
+		
+	default:
+		DO_MINMAX(ob->obmat[3], min, max);
+
+		VECCOPY(vec, ob->obmat[3]);
+		VecAddf(vec, vec, ob->size);
+		DO_MINMAX(vec, min, max);
+
+		VECCOPY(vec, ob->obmat[3]);
+		VecSubf(vec, vec, ob->size);
+		DO_MINMAX(vec, min, max);
+		break;
+	}
+}
+
+