static void freeData(ModifierData *md)
{
LaplacianDeformModifierData *lmd = (LaplacianDeformModifierData *)md;
LaplacianSystem *sys = (LaplacianSystem *)lmd->cache_system;
if (sys) {
deleteLaplacianSystem(sys);
}
MEM_SAFE_FREE(lmd->vertexco);
lmd->total_verts = 0;
}
static void LaplacianDeformModifier_do(
LaplacianDeformModifierData *lmd, Object *ob, DerivedMesh *dm,
float (*vertexCos)[3], int numVerts)
{
float (*filevertexCos)[3];
int sysdif;
LaplacianSystem *sys = NULL;
filevertexCos = NULL;
if (!(lmd->flag & MOD_LAPLACIANDEFORM_BIND)) {
if (lmd->cache_system) {
sys = lmd->cache_system;
deleteLaplacianSystem(sys);
lmd->cache_system = NULL;
}
lmd->total_verts = 0;
MEM_SAFE_FREE(lmd->vertexco);
return;
}
if (lmd->cache_system) {
sysdif = isSystemDifferent(lmd, ob, dm, numVerts);
sys = lmd->cache_system;
if (sysdif) {
if (sysdif == LAPDEFORM_SYSTEM_ONLY_CHANGE_ANCHORS || sysdif == LAPDEFORM_SYSTEM_ONLY_CHANGE_GROUP) {
filevertexCos = MEM_mallocN(sizeof(float[3]) * numVerts, "TempModDeformCoordinates");
memcpy(filevertexCos, lmd->vertexco, sizeof(float[3]) * numVerts);
MEM_SAFE_FREE(lmd->vertexco);
lmd->total_verts = 0;
deleteLaplacianSystem(sys);
lmd->cache_system = NULL;
initSystem(lmd, ob, dm, filevertexCos, numVerts);
sys = lmd->cache_system; /* may have been reallocated */
MEM_SAFE_FREE(filevertexCos);
if (sys) {
laplacianDeformPreview(sys, vertexCos);
}
}
else {
if (sysdif == LAPDEFORM_SYSTEM_CHANGE_VERTEXES) {
modifier_setError(&lmd->modifier, "Vertices changed from %d to %d", lmd->total_verts, numVerts);
}
else if (sysdif == LAPDEFORM_SYSTEM_CHANGE_EDGES) {
modifier_setError(&lmd->modifier, "Edges changed from %d to %d", sys->total_edges, dm->getNumEdges(dm));
}
else if (sysdif == LAPDEFORM_SYSTEM_CHANGE_NOT_VALID_GROUP) {
modifier_setError(&lmd->modifier, "Vertex group '%s' is not valid", sys->anchor_grp_name);
}
}
}
else {
sys->repeat = lmd->repeat;
laplacianDeformPreview(sys, vertexCos);
}
}
else {
if (lmd->total_verts > 0 && lmd->total_verts == numVerts) {
if (isValidVertexGroup(lmd, ob, dm)) {
filevertexCos = MEM_mallocN(sizeof(float[3]) * numVerts, "TempDeformCoordinates");
memcpy(filevertexCos, lmd->vertexco, sizeof(float[3]) * numVerts);
MEM_SAFE_FREE(lmd->vertexco);
lmd->total_verts = 0;
initSystem(lmd, ob, dm, filevertexCos, numVerts);
sys = lmd->cache_system;
MEM_SAFE_FREE(filevertexCos);
laplacianDeformPreview(sys, vertexCos);
}
}
else {
if (isValidVertexGroup(lmd, ob, dm)) {
initSystem(lmd, ob, dm, vertexCos, numVerts);
sys = lmd->cache_system;
laplacianDeformPreview(sys, vertexCos);
}
}
}
if (sys->is_matrix_computed && !sys->has_solution) {
modifier_setError(&lmd->modifier, "The system did not find a solution");
}
}
