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Copy pathUEPyTicker.cpp
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115 lines (95 loc) · 3.76 KB
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#include "UnrealEnginePythonPrivatePCH.h"
#include "UEPyTicker.h"
// destructor
static void ue_pyfdelegatehandle_dealloc(ue_PyFDelegateHandle *self) {
if (!self->garbaged) {
FTicker::GetCoreTicker().RemoveTicker(self->dhandle);
// useless ;)
self->garbaged = true;
}
if (self->py_delegate && self->py_delegate->IsValidLowLevel() && self->py_delegate->IsRooted()) {
self->py_delegate->RemoveFromRoot();
}
Py_TYPE(self)->tp_free((PyObject *)self);
}
static PyTypeObject ue_PyFDelegateHandleType = {
PyVarObject_HEAD_INIT(NULL, 0)
"unreal_engine.FDelegateHandle", /* tp_name */
sizeof(ue_PyFDelegateHandle), /* tp_basicsize */
0, /* tp_itemsize */
(destructor)ue_pyfdelegatehandle_dealloc, /* tp_dealloc */
0, /* tp_print */
0, /* tp_getattr */
0, /* tp_setattr */
0, /* tp_reserved */
0, /* tp_repr */
0, /* tp_as_number */
0, /* tp_as_sequence */
0, /* tp_as_mapping */
0, /* tp_hash */
0, /* tp_call */
0, /* tp_str */
0, /* tp_getattro */
0, /* tp_setattro */
0, /* tp_as_buffer */
Py_TPFLAGS_DEFAULT, /* tp_flags */
"Unreal Engine FDelegateHandle", /* tp_doc */
0, /* tp_traverse */
0, /* tp_clear */
0, /* tp_richcompare */
0, /* tp_weaklistoffset */
0, /* tp_iter */
0, /* tp_iternext */
0, /* tp_methods */
};
void ue_python_init_fdelegatehandle(PyObject *ue_module) {
ue_PyFDelegateHandleType.tp_new = PyType_GenericNew;
if (PyType_Ready(&ue_PyFDelegateHandleType) < 0)
return;
Py_INCREF(&ue_PyFDelegateHandleType);
PyModule_AddObject(ue_module, "FDelegateHandle", (PyObject *)&ue_PyFDelegateHandleType);
}
PyObject *py_unreal_engine_add_ticker(PyObject * self, PyObject * args) {
PyObject *py_callable;
float delay = 0;
if (!PyArg_ParseTuple(args, "O|f:add_ticker", &py_callable, &delay)) {
return nullptr;
}
if (!PyCallable_Check(py_callable))
return PyErr_Format(PyExc_Exception, "argument is not a callable");
FTickerDelegate ticker_delegate;
UPythonDelegate *py_delegate = NewObject<UPythonDelegate>();
py_delegate->SetPyCallable(py_callable);
ticker_delegate.BindUObject(py_delegate, &UPythonDelegate::Tick);
// avoid the delegate to be GC'ed
py_delegate->AddToRoot();
FDelegateHandle dhandle = FTicker::GetCoreTicker().AddTicker(ticker_delegate, delay);
ue_PyFDelegateHandle *ret = (ue_PyFDelegateHandle *)PyObject_New(ue_PyFDelegateHandle, &ue_PyFDelegateHandleType);
if (!ret) {
FTicker::GetCoreTicker().RemoveTicker(dhandle);
py_delegate->RemoveFromRoot();
return PyErr_Format(PyExc_Exception, "unable to allocate FDelegateHandle python object");
}
ret->dhandle = dhandle;
ret->py_delegate = py_delegate;
ret->garbaged = false;
return (PyObject *)ret;
}
PyObject *py_unreal_engine_remove_ticker(PyObject * self, PyObject * args) {
PyObject *py_obj;
if (!PyArg_ParseTuple(args, "O:remove_ticker", &py_obj)) {
return NULL;
}
if (!PyObject_IsInstance(py_obj, (PyObject *)&ue_PyFDelegateHandleType))
return PyErr_Format(PyExc_Exception, "argument is not a PyFDelegateHandle");
ue_PyFDelegateHandle *py_handle = (ue_PyFDelegateHandle *)py_obj;
if (!py_handle->garbaged) {
FTicker::GetCoreTicker().RemoveTicker(py_handle->dhandle);
py_handle->garbaged = true;
}
if (py_handle->py_delegate) {
py_handle->py_delegate->RemoveFromRoot();
py_handle->py_delegate = nullptr;
}
Py_RETURN_NONE;
}