[Bf-blender-cvs] [5e3b63a] master: Fix T41463: Mirror Modifier breaks Automatic-Weights in weight-paint mode

Campbell Barton noreply at git.blender.org
Thu Sep 4 09:57:40 CEST 2014


Commit: 5e3b63a22bfd2f0b6fb683f1ebcac1dc96fc1627
Author: Campbell Barton
Date:   Thu Sep 4 17:53:10 2014 +1000
Branches: master
https://developer.blender.org/rB5e3b63a22bfd2f0b6fb683f1ebcac1dc96fc1627

Fix T41463: Mirror Modifier breaks Automatic-Weights in weight-paint mode

The problem was it used copied verts on the opposite side.

===================================================================

M	source/blender/blenkernel/BKE_DerivedMesh.h
M	source/blender/blenkernel/intern/DerivedMesh.c
M	source/blender/blenkernel/intern/crazyspace.c
M	source/blender/editors/armature/armature_skinning.c

===================================================================

diff --git a/source/blender/blenkernel/BKE_DerivedMesh.h b/source/blender/blenkernel/BKE_DerivedMesh.h
index c8fa3a4..229d2fc 100644
--- a/source/blender/blenkernel/BKE_DerivedMesh.h
+++ b/source/blender/blenkernel/BKE_DerivedMesh.h
@@ -651,6 +651,7 @@ void vDM_ColorBand_store(const struct ColorBand *coba, const char alert_color[4]
  * In use now by vertex/weight paint and particles */
 DMCoNo *mesh_get_mapped_verts_nors(struct Scene *scene, struct Object *ob);
 #endif
+void mesh_get_mapped_verts_coords(DerivedMesh *dm, float (*r_cos)[3], const int totcos);
 
 /* */
 DerivedMesh *mesh_get_derived_final(struct Scene *scene, struct Object *ob,
diff --git a/source/blender/blenkernel/intern/DerivedMesh.c b/source/blender/blenkernel/intern/DerivedMesh.c
index 0db9f99..cc84957 100644
--- a/source/blender/blenkernel/intern/DerivedMesh.c
+++ b/source/blender/blenkernel/intern/DerivedMesh.c
@@ -44,6 +44,7 @@
 #include "DNA_scene_types.h"
 
 #include "BLI_blenlib.h"
+#include "BLI_bitmap.h"
 #include "BLI_math.h"
 #include "BLI_utildefines.h"
 #include "BLI_linklist.h"
@@ -2580,6 +2581,46 @@ DMCoNo *mesh_get_mapped_verts_nors(Scene *scene, Object *ob)
 
 #endif
 
+/* same as above but for vert coords */
+typedef struct {
+	float (*vertexcos)[3];
+	BLI_bitmap *vertex_visit;
+} MappedUserData;
+
+static void make_vertexcos__mapFunc(void *userData, int index, const float co[3],
+                                    const float UNUSED(no_f[3]), const short UNUSED(no_s[3]))
+{
+	MappedUserData *mappedData = (MappedUserData *)userData;
+
+	if (BLI_BITMAP_TEST(mappedData->vertex_visit, index) == 0) {
+		/* we need coord from prototype vertex, not from copies,
+		 * assume they stored in the beginning of vertex array stored in DM
+		 * (mirror modifier for eg does this) */
+		copy_v3_v3(mappedData->vertexcos[index], co);
+		BLI_BITMAP_ENABLE(mappedData->vertex_visit, index);
+	}
+}
+
+void mesh_get_mapped_verts_coords(DerivedMesh *dm, float (*r_cos)[3], const int totcos)
+{
+	float (*vertexcos)[3];
+
+	if (dm->foreachMappedVert) {
+		MappedUserData userData;
+		memset(r_cos, 0, sizeof(r_cos) * totcos);
+		userData.vertexcos = r_cos;
+		userData.vertex_visit = BLI_BITMAP_NEW(totcos, "vertexcos flags");
+		dm->foreachMappedVert(dm, make_vertexcos__mapFunc, &userData, DM_FOREACH_NOP);
+		MEM_freeN(userData.vertex_visit);
+	}
+	else {
+		int i;
+		for (i = 0; i < totcos; i++) {
+			dm->getVertCo(dm, i, vertexcos[i]);
+		}
+	}
+}
+
 /* ******************* GLSL ******************** */
 
 typedef struct {
diff --git a/source/blender/blenkernel/intern/crazyspace.c b/source/blender/blenkernel/intern/crazyspace.c
index 7ca5d6b..911bb19 100644
--- a/source/blender/blenkernel/intern/crazyspace.c
+++ b/source/blender/blenkernel/intern/crazyspace.c
@@ -40,7 +40,6 @@
 
 #include "BLI_utildefines.h"
 #include "BLI_math.h"
-#include "BLI_bitmap.h"
 
 #include "BKE_crazyspace.h"
 #include "BKE_DerivedMesh.h"
@@ -49,11 +48,6 @@
 #include "BKE_mesh.h"
 #include "BKE_editmesh.h"
 
-typedef struct {
-	float (*vertexcos)[3];
-	BLI_bitmap *vertex_visit;
-} MappedUserData;
-
 BLI_INLINE void tan_calc_quat_v3(
         float r_quat[4],
         const float co_1[3], const float co_2[3], const float co_3[3])
@@ -88,20 +82,6 @@ static void set_crazy_vertex_quat(
 	sub_qt_qtqt(r_quat, q2, q1);
 }
 
-static void make_vertexcos__mapFunc(void *userData, int index, const float co[3],
-                                    const float UNUSED(no_f[3]), const short UNUSED(no_s[3]))
-{
-	MappedUserData *mappedData = (MappedUserData *)userData;
-
-	if (BLI_BITMAP_TEST(mappedData->vertex_visit, index) == 0) {
-		/* we need coord from prototype vertex, not from copies,
-		 * assume they stored in the beginning of vertex array stored in DM
-		 * (mirror modifier for eg does this) */
-		copy_v3_v3(mappedData->vertexcos[index], co);
-		BLI_BITMAP_ENABLE(mappedData->vertex_visit, index);
-	}
-}
-
 static int modifiers_disable_subsurf_temporary(Object *ob)
 {
 	ModifierData *md;
@@ -124,8 +104,6 @@ float (*BKE_crazyspace_get_mapped_editverts(Scene *scene, Object *obedit))[3]
 	DerivedMesh *dm;
 	float (*vertexcos)[3];
 	int nverts = me->edit_btmesh->bm->totvert;
-	BLI_bitmap *vertex_visit;
-	MappedUserData userData;
 
 	/* disable subsurf temporal, get mapped cos, and enable it */
 	if (modifiers_disable_subsurf_temporary(obedit)) {
@@ -134,22 +112,17 @@ float (*BKE_crazyspace_get_mapped_editverts(Scene *scene, Object *obedit))[3]
 	}
 
 	/* now get the cage */
-	dm = editbmesh_get_derived_cage(scene, obedit, me->edit_btmesh, CD_MASK_BAREMESH);
+	vertexcos = MEM_mallocN(sizeof(*vertexcos) * nverts, "vertexcos map");
 
-	vertexcos = MEM_callocN(sizeof(*vertexcos) * nverts, "vertexcos map");
-	vertex_visit = BLI_BITMAP_NEW(nverts, "vertexcos flags");
+	dm = editbmesh_get_derived_cage(scene, obedit, me->edit_btmesh, CD_MASK_BAREMESH);
 
-	userData.vertexcos = vertexcos;
-	userData.vertex_visit = vertex_visit;
-	dm->foreachMappedVert(dm, make_vertexcos__mapFunc, &userData, DM_FOREACH_NOP);
+	mesh_get_mapped_verts_coords(dm, vertexcos, nverts);
 
 	dm->release(dm);
 
 	/* set back the flag, no new cage needs to be built, transform does it */
 	modifiers_disable_subsurf_temporary(obedit);
 
-	MEM_freeN(vertex_visit);
-
 	return vertexcos;
 }
 
diff --git a/source/blender/editors/armature/armature_skinning.c b/source/blender/editors/armature/armature_skinning.c
index 57ae03c..fbc18e9 100644
--- a/source/blender/editors/armature/armature_skinning.c
+++ b/source/blender/editors/armature/armature_skinning.c
@@ -180,15 +180,6 @@ static int dgroup_skinnable_cb(Object *ob, Bone *bone, void *datap)
 	return 0;
 }
 
-static void add_vgroups__mapFunc(void *userData, int index, const float co[3],
-                                 const float UNUSED(no_f[3]), const short UNUSED(no_s[3]))
-{
-	/* DerivedMesh mapFunc for getting final coords in weight paint mode */
-
-	float (*verts)[3] = userData;
-	copy_v3_v3(verts[index], co);
-}
-
 static void envelope_bone_weighting(Object *ob, Mesh *mesh, float (*verts)[3], int numbones, Bone **bonelist,
                                     bDeformGroup **dgrouplist, bDeformGroup **dgroupflip,
                                     float (*root)[3], float (*tip)[3], const int *selected, float scale)
@@ -374,7 +365,7 @@ static void add_verts_to_dgroups(ReportList *reports, Scene *scene, Object *ob,
 		DerivedMesh *dm = mesh_get_derived_final(scene, ob, CD_MASK_BAREMESH);
 		
 		if (dm->foreachMappedVert) {
-			dm->foreachMappedVert(dm, add_vgroups__mapFunc, (void *)verts, DM_FOREACH_NOP);
+			mesh_get_mapped_verts_coords(dm, verts, mesh->totvert);
 			vertsfilled = 1;
 		}




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