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Fix for bug #6629 - modifiers and vertex-parenting

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I have changed the vertex parenting code to use the derivedFinal mesh rather
than derivedDeform; this gives the result after all modifiers have been
applied, rather than the result up to the first non-deforming modifier as it
did before. Since the derivedFinal mesh can have more than one vertex
corresponding to a single vertex in the base mesh, the average of all such
vertices is used.
This commit is contained in:
Ben Batt
2007-05-04 16:36:39 +00:00
parent 6bd765e125
commit de2fc6d687
1 changed files with 18 additions and 7 deletions
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25
source/blender/blenkernel/intern/object.c
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@@ -1332,15 +1332,26 @@ static void give_parvert(Object *par, int nr, float *vec)
}
}
else {
/* maybe this is against the derivedmesh philosphy, but where_is_object is called
by code that is called by build_mesh... (when ob->sf!=0.0) so it can cycle eternally */
DerivedMesh *dm = par->derivedDeform; //mesh_get_derived_deform(par, &needsFree);
DerivedMesh *dm = par->derivedFinal;
if(dm) {
int tot= dm->getNumVerts(dm);
if(tot) {
if(nr >= tot) nr= 0;
dm->getVertCo(dm, nr, vec);
int i, count = 0, numVerts = dm->getNumVerts(dm);
int *index = (int *)dm->getVertDataArray(dm, CD_ORIGINDEX);
float co[3];
/* get the average of all verts with (original index == nr) */
for(i = 0; i < numVerts; ++i, ++index) {
if(*index == nr) {
dm->getVertCo(dm, i, co);
VecAddf(vec, vec, co);
count++;
}
}
if(count > 0) {
VecMulf(vec, 1.0f / count);
} else {
dm->getVertCo(dm, 0, vec);
}
}
}