| 424 | } |
| 425 | |
| 426 | void GetComponentFromLua(lua_State* L, int index, HCollection collection, const char* component_ext, dmGameObject::HComponent* out_component, dmMessage::URL* url, dmGameObject::HComponentWorld* out_world) |
| 427 | { |
| 428 | dmMessage::URL sender; |
| 429 | if (dmScript::GetURL(L, &sender)) |
| 430 | { |
| 431 | dmMessage::URL receiver; |
| 432 | dmScript::ResolveURL(L, index, &receiver, &sender); |
| 433 | if (sender.m_Socket != receiver.m_Socket || sender.m_Socket != dmGameObject::GetMessageSocket(collection)) |
| 434 | { |
| 435 | luaL_error(L, "function called can only access instances within the same collection."); |
| 436 | return; // Actually never reached |
| 437 | } |
| 438 | |
| 439 | HInstance instance = GetInstanceFromIdentifier(collection, receiver.m_Path); |
| 440 | if (!instance) |
| 441 | { |
| 442 | luaL_error(L, "Instance %s not found", lua_tostring(L, index)); |
| 443 | return; // Actually never reached |
| 444 | } |
| 445 | |
| 446 | dmGameObject::HComponentWorld world; |
| 447 | uint32_t component_type_index; |
| 448 | dmGameObject::Result result = dmGameObject::GetComponent(instance, receiver.m_Fragment, &component_type_index, out_component, &world); |
| 449 | if ((component_ext != 0x0 || *out_component != 0x0) && result != dmGameObject::RESULT_OK) |
| 450 | { |
| 451 | char buffer[128]; |
| 452 | luaL_error(L, "The component could not be found: '%s'", dmScript::UrlToString(&receiver, buffer, sizeof(buffer))); |
| 453 | return; // Actually never reached |
| 454 | } |
| 455 | |
| 456 | if (out_world != 0) |
| 457 | { |
| 458 | *out_world = world; |
| 459 | } |
| 460 | |
| 461 | if (component_ext != 0x0) |
| 462 | { |
| 463 | HResourceType resource_type; |
| 464 | dmResource::Result resource_res = dmResource::GetTypeFromExtension(dmGameObject::GetFactory(instance->m_Collection->m_HCollection), component_ext, &resource_type); |
| 465 | if (resource_res != dmResource::RESULT_OK) |
| 466 | { |
| 467 | luaL_error(L, "Component type '%s' not found", component_ext); |
| 468 | return; // Actually never reached |
| 469 | } |
| 470 | ComponentType* type = &dmGameObject::GetRegister(instance->m_Collection->m_HCollection)->m_ComponentTypes[component_type_index]; |
| 471 | if (type->m_ResourceType != resource_type) |
| 472 | { |
| 473 | luaL_error(L, "Component expected to be of type '%s' but was '%s'", component_ext, type->m_Name); |
| 474 | return; // Actually never reached |
| 475 | } |
| 476 | } |
| 477 | if (url) |
| 478 | { |
| 479 | *url = receiver; |
| 480 | } |
| 481 | } |
| 482 | else |
| 483 | { |