static DerivedMesh *applyModifier(ModifierData *md, Object *ob,
DerivedMesh *dm,
int UNUSED(useRenderParams),
int UNUSED(isFinalCalc))
{
ClothModifierData *clmd = (ClothModifierData*) md;
DerivedMesh *result=NULL;
/* check for alloc failing */
if(!clmd->sim_parms || !clmd->coll_parms)
{
initData(md);
if(!clmd->sim_parms || !clmd->coll_parms)
return dm;
}
result = clothModifier_do(clmd, md->scene, ob, dm);
if(result)
{
CDDM_calc_normals(result);
return result;
}
return dm;
}
static void deformVerts(ModifierData *md, Object *ob, DerivedMesh *derivedData, float (*vertexCos)[3],
int UNUSED(numVerts), ModifierApplyFlag UNUSED(flag))
{
DerivedMesh *dm;
ClothModifierData *clmd = (ClothModifierData *) md;
DerivedMesh *result = NULL;
/* check for alloc failing */
if (!clmd->sim_parms || !clmd->coll_parms) {
initData(md);
if (!clmd->sim_parms || !clmd->coll_parms)
return;
}
dm = get_dm(ob, NULL, derivedData, NULL, 0);
if (dm == derivedData)
dm = CDDM_copy(dm);
CDDM_apply_vert_coords(dm, vertexCos);
DM_ensure_tessface(dm); /* BMESH - UNTIL MODIFIER IS UPDATED FOR MPoly */
clothModifier_do(clmd, md->scene, ob, dm, vertexCos);
if (result) {
result->getVertCos(result, vertexCos);
result->release(result);
}
dm->release(dm);
}
static void deformVerts(ModifierData *md, Object *ob, DerivedMesh *derivedData, float (*vertexCos)[3],
int numVerts, ModifierApplyFlag UNUSED(flag))
{
DerivedMesh *dm;
ClothModifierData *clmd = (ClothModifierData *) md;
/* check for alloc failing */
if (!clmd->sim_parms || !clmd->coll_parms) {
initData(md);
if (!clmd->sim_parms || !clmd->coll_parms)
return;
}
dm = get_dm(ob, NULL, derivedData, NULL, false, false);
if (dm == derivedData)
dm = CDDM_copy(dm);
/* TODO(sergey): For now it actually duplicates logic from DerivedMesh.c
* and needs some more generic solution. But starting experimenting with
* this so close to the release is not that nice..
*
* Also hopefully new cloth system will arrive soon..
*/
if (derivedData == NULL && clmd->sim_parms->shapekey_rest) {
KeyBlock *kb = BKE_keyblock_from_key(BKE_key_from_object(ob),
clmd->sim_parms->shapekey_rest);
if (kb && kb->data != NULL) {
float (*layerorco)[3];
if (!(layerorco = DM_get_vert_data_layer(dm, CD_CLOTH_ORCO))) {
DM_add_vert_layer(dm, CD_CLOTH_ORCO, CD_CALLOC, NULL);
layerorco = DM_get_vert_data_layer(dm, CD_CLOTH_ORCO);
}
memcpy(layerorco, kb->data, sizeof(float) * 3 * numVerts);
}
}
CDDM_apply_vert_coords(dm, vertexCos);
DM_ensure_tessface(dm); /* BMESH - UNTIL MODIFIER IS UPDATED FOR MPoly */
clothModifier_do(clmd, md->scene, ob, dm, vertexCos);
dm->release(dm);
}