Mesh *BKE_mesh_create_derived_for_modifier(struct Depsgraph *depsgraph, Scene *scene, Object *ob_eval, ModifierData *md_eval, int build_shapekey_layers) { Mesh *me = ob_eval->runtime.mesh_orig ? ob_eval->runtime.mesh_orig : ob_eval->data; const ModifierTypeInfo *mti = modifierType_getInfo(md_eval->type); Mesh *result; KeyBlock *kb; ModifierEvalContext mectx = {depsgraph, ob_eval, 0}; if (!(md_eval->mode & eModifierMode_Realtime)) { return NULL; } if (mti->isDisabled && mti->isDisabled(scene, md_eval, 0)) { return NULL; } if (build_shapekey_layers && me->key && (kb = BLI_findlink(&me->key->block, ob_eval->shapenr - 1))) { BKE_keyblock_convert_to_mesh(kb, me); } if (mti->type == eModifierTypeType_OnlyDeform) { int numVerts; float(*deformedVerts)[3] = BKE_mesh_vertexCos_get(me, &numVerts); BKE_id_copy_ex(NULL, &me->id, (ID **)&result, LIB_ID_COPY_LOCALIZE); mti->deformVerts(md_eval, &mectx, result, deformedVerts, numVerts); BKE_mesh_apply_vert_coords(result, deformedVerts); if (build_shapekey_layers) { add_shapekey_layers(result, me); } MEM_freeN(deformedVerts); } else { Mesh *mesh_temp; BKE_id_copy_ex(NULL, &me->id, (ID **)&mesh_temp, LIB_ID_COPY_LOCALIZE); if (build_shapekey_layers) { add_shapekey_layers(mesh_temp, me); } result = mti->applyModifier(md_eval, &mectx, mesh_temp); ASSERT_IS_VALID_MESH(result); if (mesh_temp != result) { BKE_id_free(NULL, mesh_temp); } } return result; }
void GeometryExporter::operator()(Object *ob) { // XXX don't use DerivedMesh, Mesh instead? #if 0 DerivedMesh *dm = mesh_get_derived_final(mScene, ob, CD_MASK_BAREMESH); #endif bool use_instantiation = this->export_settings->use_object_instantiation; Mesh *me = bc_get_mesh_copy( mScene, ob, this->export_settings->export_mesh_type, this->export_settings->apply_modifiers, this->export_settings->triangulate); Mesh *mesh = (Mesh *) ob->data; me->flag = mesh->flag; std::string geom_id = get_geometry_id(ob, use_instantiation); std::vector<Normal> nor; std::vector<BCPolygonNormalsIndices> norind; // Skip if linked geometry was already exported from another reference if (use_instantiation && exportedGeometry.find(geom_id) != exportedGeometry.end()) { return; } std::string geom_name = (use_instantiation) ? id_name(ob->data) : id_name(ob); exportedGeometry.insert(geom_id); bool has_color = (bool)CustomData_has_layer(&me->fdata, CD_MCOL); create_normals(nor, norind, me); // openMesh(geoId, geoName, meshId) openMesh(geom_id, geom_name); // writes <source> for vertex coords createVertsSource(geom_id, me); // writes <source> for normal coords createNormalsSource(geom_id, me, nor); bool has_uvs = (bool)CustomData_has_layer(&me->fdata, CD_MTFACE); // writes <source> for uv coords if mesh has uv coords if (has_uvs) { createTexcoordsSource(geom_id, me); } if (has_color) { createVertexColorSource(geom_id, me); } // <vertices> COLLADASW::Vertices verts(mSW); verts.setId(getIdBySemantics(geom_id, COLLADASW::InputSemantic::VERTEX)); COLLADASW::InputList &input_list = verts.getInputList(); COLLADASW::Input input(COLLADASW::InputSemantic::POSITION, getUrlBySemantics(geom_id, COLLADASW::InputSemantic::POSITION)); input_list.push_back(input); verts.add(); createLooseEdgeList(ob, me, geom_id); // Only create Polylists if number of faces > 0 if (me->totface > 0) { // XXX slow if (ob->totcol) { for (int a = 0; a < ob->totcol; a++) { createPolylist(a, has_uvs, has_color, ob, me, geom_id, norind); } } else { createPolylist(0, has_uvs, has_color, ob, me, geom_id, norind); } } closeMesh(); if (me->flag & ME_TWOSIDED) { mSW->appendTextBlock("<extra><technique profile=\"MAYA\"><double_sided>1</double_sided></technique></extra>"); } closeGeometry(); if (this->export_settings->include_shapekeys) { Key * key = BKE_key_from_object(ob); if (key) { KeyBlock * kb = (KeyBlock *)key->block.first; //skip the basis kb = kb->next; for (; kb; kb = kb->next) { BKE_keyblock_convert_to_mesh(kb, me); export_key_mesh(ob, me, kb); } } } BKE_libblock_free_us(G.main, me); }