diff options
Diffstat (limited to 'source/blender/blenkernel/intern/DerivedMesh.c')
| -rw-r--r-- | source/blender/blenkernel/intern/DerivedMesh.c | 22 |
1 files changed, 19 insertions, 3 deletions
diff --git a/source/blender/blenkernel/intern/DerivedMesh.c b/source/blender/blenkernel/intern/DerivedMesh.c index decea8c4127..fa6c2f333ee 100644 --- a/source/blender/blenkernel/intern/DerivedMesh.c +++ b/source/blender/blenkernel/intern/DerivedMesh.c @@ -15,7 +15,7 @@ * * 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. + * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. * * The Original Code is Copyright (C) 2005 Blender Foundation. * All rights reserved. @@ -1771,6 +1771,22 @@ static void mesh_calc_modifiers(Scene *scene, Object *ob, float (*inputVertexCos if((dataMask & CD_MASK_WEIGHT_MCOL) && (ob->mode & OB_MODE_WEIGHT_PAINT)) add_weight_mcol_dm(ob, dm); + + /* constructive modifiers need to have an origindex + * otherwise they wont have anywhere to copy the data from */ + if(needMapping) { + int *index, i; + DM_add_vert_layer(dm, CD_ORIGINDEX, CD_CALLOC, NULL); + DM_add_edge_layer(dm, CD_ORIGINDEX, CD_CALLOC, NULL); + DM_add_face_layer(dm, CD_ORIGINDEX, CD_CALLOC, NULL); + + index = DM_get_vert_data_layer(dm, CD_ORIGINDEX); + for(i=0; i<dm->numVertData; i++) *index++= i; + index = DM_get_edge_data_layer(dm, CD_ORIGINDEX); + for(i=0; i<dm->numEdgeData; i++) *index++= i; + index = DM_get_face_data_layer(dm, CD_ORIGINDEX); + for(i=0; i<dm->numFaceData; i++) *index++= i; + } } /* create an orco derivedmesh in parallel */ @@ -2109,9 +2125,9 @@ static void mesh_build_data(Scene *scene, Object *ob, CustomDataMask dataMask) Object *obact = scene->basact?scene->basact->object:NULL; int editing = paint_facesel_test(ob); /* weight paint and face select need original indicies because of selection buffer drawing */ - int needMapping = (ob==obact) && (editing || (ob->mode & OB_MODE_WEIGHT_PAINT) || paint_facesel_test(ob)); + int needMapping = (ob==obact) && (editing || (ob->mode & OB_MODE_WEIGHT_PAINT) || editing); float min[3], max[3]; - + clear_mesh_caches(ob); mesh_calc_modifiers(scene, ob, NULL, &ob->derivedDeform, |