Revision: 46596
http://projects.blender.org/scm/viewvc.php?view=rev&root=bf-blender&revision=46596
Author: cyborgmuppet
Date: 2012-05-13 03:46:46 +0000 (Sun, 13 May 2012)
Log Message:
-----------
Complete working function added:
ED_vgroup_copy_by_nearest_vertex_in_face_single()
Modified Paths:
--------------
branches/meshdata_transfer/source/blender/editors/object/object_vgroup.c
Modified:
branches/meshdata_transfer/source/blender/editors/object/object_vgroup.c
===================================================================
--- branches/meshdata_transfer/source/blender/editors/object/object_vgroup.c
2012-05-12 23:18:14 UTC (rev 46595)
+++ branches/meshdata_transfer/source/blender/editors/object/object_vgroup.c
2012-05-13 03:46:46 UTC (rev 46596)
@@ -500,6 +500,105 @@
return dot_v3v3(d, d);
}
+/*Copy a single vertex group from source to destination with weights by
nearest weight in face*/
+int ED_vgroup_copy_by_nearest_vertex_in_face_single(Object *ob_dst, Object
*ob_src)
+{
+ bDeformGroup *dg_src, *dg_dst;
+ Mesh *me_dst;
+ DerivedMesh *dmesh_src;
+ BVHTreeFromMesh tree_mesh_faces_src = {NULL};
+ MDeformVert **dv_array_src, **dv_array_dst;
+ MVert *mv_dst, *mv_src;
+ MFace *mface_src;
+ BVHTreeNearest nearest;
+ MDeformWeight *dw_dst, *dw_src;
+ int dv_tot_src, dv_tot_dst, i, index_dst, index_src;
+ float dist_v1, dist_v2, dist_v3, dist_v4, tmp_co[3], tmp_mat[4][4];
+
+ /*get source deform group*/
+ dg_src= BLI_findlink(&ob_src->defbase, (ob_src->actdef-1));
+
+ /*Create new and overwrite vertex group on destination without data*/
+ ED_vgroup_delete(ob_dst, defgroup_find_name(ob_dst, dg_src->name));
+ ED_vgroup_add_name(ob_dst, dg_src->name);
+
+ /*get destination deformgroup*/
+ dg_dst= defgroup_find_name(ob_dst, dg_src->name);
+
+ /*get meshes*/
+ me_dst= ob_dst->data;
+ dmesh_src= ob_src->derivedDeform;
+
+ /*make node tree*/
+ DM_ensure_tessface(dmesh_src);
+ bvhtree_from_mesh_faces(&tree_mesh_faces_src, dmesh_src, 0.0, 2, 6);
+
+ /*get vertex group arrays*/
+ ED_vgroup_give_parray(ob_src->data, &dv_array_src, &dv_tot_src, FALSE);
+ ED_vgroup_give_parray(ob_dst->data, &dv_array_dst, &dv_tot_dst, FALSE);
+
+ /*get indexes of vertex groups*/
+ index_src= BLI_findindex(&ob_src->defbase, dg_src);
+ index_dst= BLI_findindex(&ob_dst->defbase, dg_dst);
+
+ /*get vertices*/
+ mv_dst= me_dst->mvert;
+
+ mv_src= dmesh_src->getVertArray(dmesh_src);
+
+ /*get faces*/
+ mface_src= dmesh_src->getTessFaceArray(dmesh_src);
+
+ /*Prepearing transformation matrix*/
+ invert_m4_m4(ob_src->imat, ob_src->obmat);
+ mult_m4_m4m4(tmp_mat, ob_src->imat, ob_dst->obmat);
+
+ /* Loop through the vertices and copy weight from nearest weight*/
+ for(i=0; i < me_dst->totvert; i++, mv_dst++, dv_array_dst++){
+
+ /*Reset nearest*/
+ nearest.index= -1;
+ nearest.dist= FLT_MAX;
+
+ /*Transforming into target space*/
+ mul_v3_m4v3(tmp_co, tmp_mat, mv_dst->co);
+
+ /*Node tree accelerated search for closest face*/
+ BLI_bvhtree_find_nearest(tree_mesh_faces_src.tree, tmp_co,
&nearest, tree_mesh_faces_src.nearest_callback, &tree_mesh_faces_src);
+
+ /*get distances*/
+ dist_v1= sqr_dist_v3v3(tmp_co,
mv_src[mface_src[nearest.index].v1].co);
+ dist_v2= sqr_dist_v3v3(tmp_co,
mv_src[mface_src[nearest.index].v2].co);
+ dist_v3= sqr_dist_v3v3(tmp_co,
mv_src[mface_src[nearest.index].v3].co);
+
+ /*get weight from triangle*/
+ if(dist_v1<dist_v2 && dist_v1<dist_v3){
+ dw_src=
defvert_verify_index(dv_array_src[mface_src[nearest.index].v1], index_src);
+ }
+ else if(dist_v2<dist_v3){
+ dw_src=
defvert_verify_index(dv_array_src[mface_src[nearest.index].v2], index_src);
+ }
+ else{
+ dw_src=
defvert_verify_index(dv_array_src[mface_src[nearest.index].v3], index_src);
+ }
+ /*Check for and get weight from quad*/
+ if(mface_src[nearest.index].v4){
+ dist_v4= sqr_dist_v3v3(tmp_co,
mv_src[mface_src[nearest.index].v4].co);
+ if(dist_v4<dist_v1 && dist_v4<dist_v2 &&
dist_v4<dist_v3){
+ dw_src=
defvert_verify_index(dv_array_src[mface_src[nearest.index].v4], index_src);
+ }
+ }
+
+ /*copy weight*/
+ dw_dst= defvert_verify_index(*dv_array_dst, index_dst);
+ dw_dst->weight= dw_src->weight;
+ }
+
+ /*free memory and return*/
+ free_bvhtree_from_mesh(&tree_mesh_faces_src);
+ return 1;
+}
+
/*Copy a single vertex group from source to destination with weights by
nearest weight*/
/*TODO: transform into target space as in by_vertex function. postphoned due
to easier testing during development*/
int ED_vgroup_copy_by_nearest_face_single(Object *ob_dst, Object *ob_src)
@@ -3075,7 +3174,7 @@
/*Try function for get weight from closest vertex*/
/*TODO: try this function*/
/*Try function for get weight from closest face*/
- else if(ED_vgroup_copy_by_nearest_face_single(obslc,
obact)) change++;
+ else
if(ED_vgroup_copy_by_nearest_vertex_in_face_single(obslc, obact)) change++;
/*Trigger error message*/
else fail++;
/*Event notifiers for correct display of data*/
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