static int modifier_apply_obdata(ReportList *reports, Scene *scene, Object *ob, ModifierData *md)
{
ModifierTypeInfo *mti= modifierType_getInfo(md->type);
md->scene= scene;
if (mti->isDisabled && mti->isDisabled(md, 0)) {
BKE_report(reports, RPT_ERROR, "Modifier is disabled, skipping apply");
return 0;
}
if (ob->type==OB_MESH) {
DerivedMesh *dm;
Mesh *me = ob->data;
MultiresModifierData *mmd= find_multires_modifier_before(scene, md);
if(me->key && mti->type != eModifierTypeType_NonGeometrical) {
BKE_report(reports, RPT_ERROR, "Modifier cannot be applied to Mesh with Shape Keys");
return 0;
}
/* Multires: ensure that recent sculpting is applied */
if(md->type == eModifierType_Multires)
multires_force_update(ob);
if (mmd && mmd->totlvl && mti->type==eModifierTypeType_OnlyDeform) {
if(!multiresModifier_reshapeFromDeformMod (scene, mmd, ob, md)) {
BKE_report(reports, RPT_ERROR, "Multires modifier returned error, skipping apply");
return 0;
}
} else {
dm = mesh_create_derived_for_modifier(scene, ob, md);
if (!dm) {
BKE_report(reports, RPT_ERROR, "Modifier returned error, skipping apply");
return 0;
}
DM_to_mesh(dm, me);
dm->release(dm);
if(md->type == eModifierType_Multires) {
CustomData_external_remove(&me->fdata, &me->id, CD_MDISPS, me->totface);
CustomData_free_layer_active(&me->fdata, CD_MDISPS, me->totface);
}
}
}
else if (ELEM(ob->type, OB_CURVE, OB_SURF)) {
Curve *cu;
int numVerts;
float (*vertexCos)[3];
if (ELEM(mti->type, eModifierTypeType_Constructive, eModifierTypeType_Nonconstructive)) {
BKE_report(reports, RPT_ERROR, "Cannot apply constructive modifiers on curve");
return 0;
}
cu = ob->data;
BKE_report(reports, RPT_INFO, "Applied modifier only changed CV points, not tesselated/bevel vertices");
vertexCos = curve_getVertexCos(cu, &cu->nurb, &numVerts);
mti->deformVerts(md, ob, NULL, vertexCos, numVerts, 0, 0);
curve_applyVertexCos(cu, &cu->nurb, vertexCos);
MEM_freeN(vertexCos);
DAG_id_tag_update(&ob->id, OB_RECALC_DATA);
}
else {
BKE_report(reports, RPT_ERROR, "Cannot apply modifier for this object type");
return 0;
}
/* lattice modifier can be applied to particle system too */
if(ob->particlesystem.first) {
ParticleSystem *psys = ob->particlesystem.first;
for(; psys; psys=psys->next) {
if(psys->part->type != PART_HAIR)
continue;
psys_apply_hair_lattice(scene, ob, psys);
}
}
return 1;
}
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;
}