Method BeginPlay

Source/UnrealEnginePython/Public/PyPawn.cpp:16–87

Called when the game starts

// Called when the game starts
void APyPawn::BeginPlay()
{
	Super::BeginPlay();

	// ...

	if (PythonModule.IsEmpty())
		return;

	FScopePythonGIL gil;

	py_uobject = ue_get_python_wrapper(this);
	if (!py_uobject) {
		unreal_engine_py_log_error();
		return;
	}

	PyObject *py_pawn_module = PyImport_ImportModule(TCHAR_TO_UTF8(*PythonModule));
	if (!py_pawn_module) {
		unreal_engine_py_log_error();
		return;
	}

#if WITH_EDITOR
	// todo implement autoreload with a dictionary of module timestamps
	py_pawn_module = PyImport_ReloadModule(py_pawn_module);
	if (!py_pawn_module) {
		unreal_engine_py_log_error();
		return;
	}
#endif

	if (PythonClass.IsEmpty())
		return;

	PyObject *py_pawn_module_dict = PyModule_GetDict(py_pawn_module);
	PyObject *py_pawn_class = PyDict_GetItemString(py_pawn_module_dict, TCHAR_TO_UTF8(*PythonClass));

	if (!py_pawn_class) {
		UE_LOG(LogPython, Error, TEXT("Unable to find class %s in module %s"), *PythonClass, *PythonModule);
		return;
	}

	py_pawn_instance = PyObject_CallObject(py_pawn_class, NULL);
	if (!py_pawn_instance) {
		unreal_engine_py_log_error();
		return;
	}

	py_uobject->py_proxy = py_pawn_instance;

	PyObject_SetAttrString(py_pawn_instance, (char *)"uobject", (PyObject *)py_uobject);


	// disable ticking if not required
	if (!PyObject_HasAttrString(py_pawn_instance, (char *)"tick") || PythonTickForceDisabled) {
		SetActorTickEnabled(false);
	}