static void deformVerts(ModifierData *md, Object *ob,
DerivedMesh *UNUSED(derivedData),
float (*vertexCos)[3],
int numVerts,
int UNUSED(useRenderParams),
int UNUSED(isFinalCalc))
{
KeyBlock *kb= ob_get_keyblock(ob);
float (*deformedVerts)[3];
if(kb && kb->totelem == numVerts) {
deformedVerts= (float(*)[3])do_ob_key(md->scene, ob);
if(deformedVerts) {
memcpy(vertexCos, deformedVerts, sizeof(float)*3*numVerts);
MEM_freeN(deformedVerts);
}
}
}
static void curve_calc_modifiers_pre(Scene *scene, Object *ob, int forRender, float (**originalVerts_r)[3], float (**deformedVerts_r)[3], int *numVerts_r)
{
ModifierData *md = modifiers_getVirtualModifierList(ob);
ModifierData *preTesselatePoint;
Curve *cu= ob->data;
ListBase *nurb= BKE_curve_nurbs(cu);
int numVerts = 0;
int editmode = (!forRender && cu->editnurb);
float (*originalVerts)[3] = NULL;
float (*deformedVerts)[3] = NULL;
float *keyVerts= NULL;
int required_mode;
if(forRender) required_mode = eModifierMode_Render;
else required_mode = eModifierMode_Realtime;
preTesselatePoint = curve_get_tesselate_point(scene, ob, forRender, editmode);
if(editmode) required_mode |= eModifierMode_Editmode;
if(cu->editnurb==NULL) {
keyVerts= do_ob_key(scene, ob);
if(keyVerts) {
/* split coords from key data, the latter also includes
tilts, which is passed through in the modifier stack.
this is also the reason curves do not use a virtual
shape key modifier yet. */
deformedVerts= curve_getKeyVertexCos(cu, nurb, keyVerts);
originalVerts= MEM_dupallocN(deformedVerts);
}
}
if (preTesselatePoint) {
for (; md; md=md->next) {
ModifierTypeInfo *mti = modifierType_getInfo(md->type);
md->scene= scene;
if ((md->mode & required_mode) != required_mode) continue;
if (mti->isDisabled && mti->isDisabled(md, forRender)) continue;
if (mti->type!=eModifierTypeType_OnlyDeform) continue;
if (!deformedVerts) {
deformedVerts = curve_getVertexCos(cu, nurb, &numVerts);
originalVerts = MEM_dupallocN(deformedVerts);
}
mti->deformVerts(md, ob, NULL, deformedVerts, numVerts, forRender, editmode);
if (md==preTesselatePoint)
break;
}
}
if (deformedVerts)
curve_applyVertexCos(cu, nurb, deformedVerts);
if (keyVerts) /* these are not passed through modifier stack */
curve_applyKeyVertexTilts(cu, nurb, keyVerts);
if(keyVerts)
MEM_freeN(keyVerts);
*originalVerts_r = originalVerts;
*deformedVerts_r = deformedVerts;
*numVerts_r = numVerts;
}
