bool MeshInstance::_set(const StringName &p_name, const Variant &p_value) {
//this is not _too_ bad performance wise, really. it only arrives here if the property was not set anywhere else.
//add to it that it's probably found on first call to _set anyway.
if (!get_instance().is_valid())
return false;
Map<StringName, BlendShapeTrack>::Element *E = blend_shape_tracks.find(p_name);
if (E) {
E->get().value = p_value;
VisualServer::get_singleton()->instance_set_blend_shape_weight(get_instance(), E->get().idx, E->get().value);
return true;
}
if (p_name.operator String().begins_with("material/")) {
int idx = p_name.operator String().get_slicec('/', 1).to_int();
if (idx >= materials.size() || idx < 0)
return false;
set_surface_material(idx, p_value);
return true;
}
return false;
}
void SoftBody::become_mesh_owner() {
if (mesh.is_null())
return;
if (!mesh_owner) {
mesh_owner = true;
Vector<Ref<Material> > copy_materials;
copy_materials.append_array(materials);
ERR_FAIL_COND(!mesh->get_surface_count());
// Get current mesh array and create new mesh array with necessary flag for softbody
Array surface_arrays = mesh->surface_get_arrays(0);
Array surface_blend_arrays = mesh->surface_get_blend_shape_arrays(0);
uint32_t surface_format = mesh->surface_get_format(0);
surface_format &= ~(Mesh::ARRAY_COMPRESS_VERTEX | Mesh::ARRAY_COMPRESS_NORMAL);
surface_format |= Mesh::ARRAY_FLAG_USE_DYNAMIC_UPDATE;
Ref<ArrayMesh> soft_mesh;
soft_mesh.instance();
soft_mesh->add_surface_from_arrays(Mesh::PRIMITIVE_TRIANGLES, surface_arrays, surface_blend_arrays, surface_format);
soft_mesh->surface_set_material(0, mesh->surface_get_material(0));
set_mesh(soft_mesh);
for (int i = copy_materials.size() - 1; 0 <= i; --i) {
set_surface_material(i, copy_materials[i]);
}
}
}
