[Bf-blender-cvs] SVN commit: /data/svn/bf-blender [42639] trunk/blender/source/blender/ modifiers/intern/MOD_hook.c: New fix for [#29543] Hook modifier: falloff + vgroup influence broken
Bastien Montagne
montagne29 at wanadoo.fr
Thu Dec 15 09:57:49 CET 2011
Revision: 42639
http://projects.blender.org/scm/viewvc.php?view=rev&root=bf-blender&revision=42639
Author: mont29
Date: 2011-12-15 08:57:48 +0000 (Thu, 15 Dec 2011)
Log Message:
-----------
New fix for [#29543] Hook modifier: falloff + vgroup influence broken
Don't know why, but creating a dm when there was none broke multi hooks on curves (see #29567)... So as a valid dm is only mandatory for meshes when a vgroup is set, only create it in those cases!
Modified Paths:
--------------
trunk/blender/source/blender/modifiers/intern/MOD_hook.c
Modified: trunk/blender/source/blender/modifiers/intern/MOD_hook.c
===================================================================
--- trunk/blender/source/blender/modifiers/intern/MOD_hook.c 2011-12-15 08:01:49 UTC (rev 42638)
+++ trunk/blender/source/blender/modifiers/intern/MOD_hook.c 2011-12-15 08:57:48 UTC (rev 42639)
@@ -249,15 +249,25 @@
int UNUSED(useRenderParams), int UNUSED(isFinalCalc))
{
HookModifierData *hmd = (HookModifierData*) md;
-
- deformVerts_do(hmd, ob, derivedData, vertexCos, numVerts);
+ DerivedMesh *dm = derivedData;
+ /* We need a valid dm for meshes when a vgroup is set... */
+ if(!dm && ob->type == OB_MESH && hmd->name[0] != '\0')
+ dm = get_dm(ob, NULL, dm, NULL, 0);
+
+ deformVerts_do(hmd, ob, dm, vertexCos, numVerts);
+
+ if(derivedData != dm)
+ dm->release(dm);
}
static void deformVertsEM(ModifierData *md, Object *ob, struct EditMesh *editData,
DerivedMesh *derivedData, float (*vertexCos)[3], int numVerts)
{
HookModifierData *hmd = (HookModifierData*) md;
- DerivedMesh *dm = get_dm(ob, editData, derivedData, NULL, 0);
+ DerivedMesh *dm = derivedData;
+ /* We need a valid dm for meshes when a vgroup is set... */
+ if(!dm && ob->type == OB_MESH && hmd->name[0] != '\0')
+ dm = get_dm(ob, editData, dm, NULL, 0);
deformVerts_do(hmd, ob, dm, vertexCos, numVerts);
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