2.5

Fix repeat crash with transform. Just remove stupid twmat, don't need to cache results in view3d.

Made it more safe too.

source/blender/blenloader/intern/readfile.c

@@ -4522,7 +4522,6 @@ static void view3d_split_250(View3D *v3d, ListBase *regions)
 			rv3d->dist= v3d->dist;
 			VECCOPY(rv3d->ofs, v3d->ofs);
 			QUATCOPY(rv3d->viewquat, v3d->viewquat);
-			Mat4One(rv3d->twmat);
 		}
 	}
 }

source/blender/editors/space_view3d/space_view3d.c

@@ -183,7 +183,6 @@ static SpaceLink *view3d_new(const bContext *C)
 	rv3d->persp= 1;
 	rv3d->view= 7;
 	rv3d->dist= 10.0;
-	Mat4One(rv3d->twmat);
 	
 	return (SpaceLink *)v3d;
 }

source/blender/editors/transform/transform.c

@@ -985,9 +985,8 @@ void saveTransform(bContext *C, TransInfo *t, wmOperator *op)
 		RNA_boolean_set(op->ptr, "mirror", t->flag & T_MIRROR);
 	}
 	
-	if (RNA_struct_find_property(op->ptr, "constraint_mode"))
+	if (RNA_struct_find_property(op->ptr, "constraint_axis"))
 	{
-		RNA_int_set(op->ptr, "constraint_mode", t->con.mode);
 		RNA_int_set(op->ptr, "constraint_orientation", t->current_orientation);
 
 		if (t->con.mode & CON_APPLY)
@@ -1038,18 +1037,11 @@ int initTransform(bContext *C, TransInfo *t, wmOperator *op, wmEvent *event, int
 		return 0;
 	}
 
-	initTransformOrientation(C, t);
-
 	if(t->spacetype == SPACE_VIEW3D)
 	{
 		//calc_manipulator_stats(curarea);
-		if (t->ar->regiontype == RGN_TYPE_WINDOW)
-		{
-			RegionView3D *rv3d = t->ar->regiondata;
-			Mat3CpyMat4(t->spacemtx, rv3d->twmat);
-		}
-		Mat3Ortho(t->spacemtx);
-		
+		initTransformOrientation(C, t);
+	
 		t->draw_handle = ED_region_draw_cb_activate(t->ar->type, drawTransform, t, REGION_DRAW_POST);
 	}
 	else if(t->spacetype == SPACE_IMAGE) {

source/blender/editors/transform/transform_orientations.c

@@ -405,7 +405,6 @@ int BIF_countTransformOrientation(const bContext *C) {
 void applyTransformOrientation(bContext *C, TransInfo *t) {
 	TransformOrientation *ts;
 	View3D *v3d = CTX_wm_view3d(C);
-	RegionView3D *rv3d= CTX_wm_region_view3d(C);
 	int selected_index = (v3d->twmode - V3D_MANIP_CUSTOM);
 	int i;
 	
@@ -414,7 +413,6 @@ void applyTransformOrientation(bContext *C, TransInfo *t) {
 			if (selected_index == i) {
 				strcpy(t->spacename, ts->name);
 				Mat3CpyMat3(t->spacemtx, ts->mat);
-				Mat4CpyMat3(rv3d->twmat, ts->mat);
 				break;
 			}
 		}
@@ -448,14 +446,11 @@ static int count_bone_select(bArmature *arm, ListBase *lb, int do_it)
 void initTransformOrientation(bContext *C, TransInfo *t)
 {
 	View3D *v3d = CTX_wm_view3d(C);
-	RegionView3D *rv3d = CTX_wm_region_view3d(C);
 	Object *ob = CTX_data_active_object(C);
 	Object *obedit = CTX_data_active_object(C);
 	float normal[3]={0.0, 0.0, 0.0};
 	float plane[3]={0.0, 0.0, 0.0};
 
-	if(t->spacetype != SPACE_VIEW3D) return;
-	
 	switch(t->current_orientation) {
 	case V3D_MANIP_GLOBAL:
 		strcpy(t->spacename, "global");
@@ -500,28 +495,35 @@ void initTransformOrientation(bContext *C, TransInfo *t)
 			
 			if (type == ORIENTATION_NONE)
 			{
-				Mat4One(rv3d->twmat);
+				Mat3One(t->spacemtx);
 			}
 			else
 			{
-				Mat4CpyMat3(rv3d->twmat, mat);
+				Mat3CpyMat3(t->spacemtx, mat);
 			}
 			break;
 		}
 		/* no break we define 'normal' as 'local' in Object mode */
 	case V3D_MANIP_LOCAL:
 		strcpy(t->spacename, "local");
-		Mat4CpyMat4(rv3d->twmat, ob->obmat);
-		Mat4Ortho(rv3d->twmat);
+		Mat3CpyMat4(t->spacemtx, ob->obmat);
+		Mat3Ortho(t->spacemtx);
 		break;
 		
 	case V3D_MANIP_VIEW:
+		if (t->ar->regiontype == RGN_TYPE_WINDOW)
 		{
+			RegionView3D *rv3d = t->ar->regiondata;
 			float mat[3][3];
+
 			strcpy(t->spacename, "view");
 			Mat3CpyMat4(mat, rv3d->viewinv);
 			Mat3Ortho(mat);
-			Mat4CpyMat3(rv3d->twmat, mat);
+			Mat3CpyMat3(t->spacemtx, mat);
+		}
+		else
+		{
+			Mat3One(t->spacemtx);
 		}
 		break;
 	default: /* V3D_MANIP_CUSTOM */

source/blender/makesdna/DNA_view3d_types.h

@@ -78,7 +78,6 @@ typedef struct RegionView3D {
 	float viewinv[4][4];
 	float persmat[4][4];
 	float persinv[4][4];
-	float twmat[4][4];	/* transform widget */
 
 	float viewquat[4], dist, zfac;	/* zfac is initgrabz() result */
 	float camdx, camdy;				/* camera view offsets, 1.0 = viewplane moves entire width/height */