update to center view.

- Dont do anything if no verts or faces are selected (used to zoom into 0,0,0)
 - use the centers of dupli objects (should eventually use their bound boxes), much nicer when dealing with many dupli-objects

source/blender/blenkernel/BKE_object.h

@@ -102,6 +102,7 @@ void boundbox_set_from_min_max(struct BoundBox *bb, float min[3], float max[3]);
 struct BoundBox *object_get_boundbox(struct Object *ob);
 void object_boundbox_flag(struct Object *ob, int flag, int set);
 void minmax_object(struct Object *ob, float *min, float *max);
+void minmax_object_duplis(struct Object *ob, float *min, float *max);
 void solve_tracking (struct Object *ob, float targetmat[][4]);
 void solve_constraints (struct Object *ob, short obtype, void *obdata, float ctime);
 

source/blender/blenkernel/intern/object.c

@@ -1980,6 +1980,28 @@ void minmax_object(Object *ob, float *min, float *max)
 	}
 }
 
+/* TODO - use dupli objects bounding boxes */
+void minmax_object_duplis(Object *ob, float *min, float *max)
+{
+	if ((ob->transflag & OB_DUPLI)==0) {
+		return;
+	} else {
+		ListBase *lb;
+		DupliObject *dob;
+		
+		lb= object_duplilist(G.scene, ob);
+		for(dob= lb->first; dob; dob= dob->next) {
+			if(dob->no_draw);
+			else {
+				/* should really use bound box of dup object */
+				DO_MINMAX(dob->mat[3], min, max);
+			}
+		}
+		free_object_duplilist(lb);	/* does restore */
+	}
+}
+
+
 /* proxy rule: lib_object->proxy_from == the one we borrow from, only set temporal and cleared here */
 /*           local_object->proxy      == pointer to library object, saved in files and read */
 

source/blender/include/BDR_editface.h

@@ -48,7 +48,7 @@ void deselectall_tface(void);
 void selectswap_tface(void);
 void rotate_uv_tface(void);
 void mirror_uv_tface(void);
-void minmax_tface(float *min, float *max);
+int minmax_tface(float *min, float *max);
 void face_select(void);
 void face_borderselect(void);
 void uv_autocalc_tface(void);

source/blender/include/BSE_edit.h

@@ -43,7 +43,7 @@ void mergemenu(void);
 void delete_context_selected(void);
 void duplicate_context_selected(void);
 void toggle_shading(void);
-void minmax_verts(float *min, float *max);
+int minmax_verts(float *min, float *max);
 
 void snap_sel_to_grid(void);
 void snap_sel_to_curs(void);

source/blender/src/edit.c

@@ -1836,7 +1836,7 @@ void toggle_shading(void)
 	}
 }
 
-void minmax_verts(float *min, float *max)
+int minmax_verts(float *min, float *max)
 {
 	TransVert *tv;
 	float centroid[3], vec[3], bmat[3][3];
@@ -1845,7 +1845,7 @@ void minmax_verts(float *min, float *max)
 	tottrans=0;
 	if ELEM5(G.obedit->type, OB_ARMATURE, OB_LATTICE, OB_MESH, OB_SURF, OB_CURVE) 
 		make_trans_verts(bmat[0], bmat[1], 0);
-	if(tottrans==0) return;
+	if(tottrans==0) return 0;
 
 	Mat3CpyMat4(bmat, G.obedit->obmat);
 	
@@ -1860,5 +1860,6 @@ void minmax_verts(float *min, float *max)
 	
 	MEM_freeN(transvmain);
 	transvmain= 0;
+	return 1;
 }
 

source/blender/src/editface.c

@@ -911,20 +911,20 @@ void mirror_uv_tface()
 	object_uvs_changed(OBACT);
 }
 
-void minmax_tface(float *min, float *max)
+int minmax_tface(float *min, float *max)
 {
 	Object *ob;
 	Mesh *me;
 	MFace *mf;
 	MTFace *tf;
 	MVert *mv;
-	int a;
+	int a, ok=0;
 	float vec[3], bmat[3][3];
 	
 	ob = OBACT;
-	if (ob==0) return;
+	if (ob==0) return ok;
 	me= get_mesh(ob);
-	if(me==0 || me->mtface==0) return;
+	if(me==0 || me->mtface==0) return ok;
 	
 	Mat3CpyMat4(bmat, ob->obmat);
 
@@ -956,7 +956,9 @@ void minmax_tface(float *min, float *max)
 			VecAddf(vec, vec, ob->obmat[3]);
 			DO_MINMAX(vec, min, max);
 		}
+		ok= 1;
 	}
+	return ok;
 }
 
 #define ME_SEAM_DONE ME_SEAM_LAST		/* reuse this flag */

source/blender/src/view.c

@@ -1305,8 +1305,7 @@ void centerview()	/* like a localview without local! */
 	
 	
 	if(G.obedit) {
-		minmax_verts(min, max);	// ony selected
+		ok = minmax_verts(min, max);	/* only selected */
-		ok= 1;
 	}
 	else if(ob && (ob->flag & OB_POSEMODE)) {
 		if(ob->pose) {
@@ -1330,14 +1329,16 @@ void centerview()	/* like a localview without local! */
 		}
 	}
 	else if (G.f & G_FACESELECT) {
-		minmax_tface(min, max);
+		ok= minmax_tface(min, max);
-		ok= 1;
 	}
 	else {
 		Base *base= FIRSTBASE;
 		while(base) {
 			if TESTBASE(base)  {
 				minmax_object(base->object, min, max);
+				/* account for duplis */
+				minmax_object_duplis(base->object, min, max);
+				
 				ok= 1;
 			}
 			base= base->next;