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UnrealEnginePython/Source/UnrealEnginePython/Private/PyHUD.cpp at master · 20tab/UnrealEnginePython · GitHub
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#
include
"
PyHUD.h
"
#
include
"
UEPyModule.h
"
#
include
"
PythonDelegate.h
"
APyHUD::APyHUD
()
{
PrimaryActorTick.
bCanEverTick
=
true
;
PythonTickForceDisabled =
false
;
PythonDisableAutoBinding =
false
;
}
//
Called when the game starts
void
APyHUD::BeginPlay
()
{
Super::BeginPlay
();
//
...
if
(PythonModule.
IsEmpty
())
return
;
FScopePythonGIL gil;
py_uobject =
ue_get_python_uobject
(
this
);
if
(!py_uobject)
{
unreal_engine_py_log_error
();
return
;
}
PyObject *py_hud_module =
PyImport_ImportModule
(
TCHAR_TO_UTF8
(*PythonModule));
if
(!py_hud_module)
{
unreal_engine_py_log_error
();
return
;
}
#
if
WITH_EDITOR
//
todo implement autoreload with a dictionary of module timestamps
py_hud_module =
PyImport_ReloadModule
(py_hud_module);
if
(!py_hud_module)
{
unreal_engine_py_log_error
();
return
;
}
#
endif
if
(PythonClass.
IsEmpty
())
return
;
PyObject *py_hud_module_dict =
PyModule_GetDict
(py_hud_module);
PyObject *py_hud_class =
PyDict_GetItemString
(py_hud_module_dict,
TCHAR_TO_UTF8
(*PythonClass));
if
(!py_hud_class)
{
UE_LOG
(LogPython, Error,
TEXT
(
"
Unable to find class %s in module %s
"
), *PythonClass, *PythonModule);
return
;
}
py_hud_instance =
PyObject_CallObject
(py_hud_class,
NULL
);
if
(!py_hud_instance)
{
unreal_engine_py_log_error
();
return
;
}
py_uobject->
py_proxy
= py_hud_instance;
PyObject_SetAttrString
(py_hud_instance, (
char
*)
"
uobject
"
, (PyObject *)py_uobject);
if
(!
PyObject_HasAttrString
(py_hud_instance, (
char
*)
"
tick
"
) || PythonTickForceDisabled)
{
SetActorTickEnabled
(
false
);
}
if
(!PythonDisableAutoBinding)
ue_autobind_events_for_pyclass
(py_uobject, py_hud_instance);
ue_bind_events_for_py_class_by_attribute
(
this
, py_hud_instance);
if
(!
PyObject_HasAttrString
(py_hud_instance, (
char
*)
"
begin_play
"
))
return
;
PyObject *bp_ret =
PyObject_CallMethod
(py_hud_instance, (
char
*)
"
begin_play
"
,
nullptr
);
if
(!bp_ret)
{
unreal_engine_py_log_error
();
return
;
}
Py_DECREF
(bp_ret);
}
//
Called every frame
void
APyHUD::Tick
(
float
DeltaTime)
{
Super::Tick
(DeltaTime);
if
(!py_hud_instance)
return
;
FScopePythonGIL gil;
if
(!
PyObject_HasAttrString
(py_hud_instance, (
char
*)
"
tick
"
))
return
;
PyObject *ret =
PyObject_CallMethod
(py_hud_instance, (
char
*)
"
tick
"
, (
char
*)
"
f
"
, DeltaTime);
if
(!ret)
{
unreal_engine_py_log_error
();
return
;
}
Py_DECREF
(ret);
}
void
APyHUD::DrawHUD
()
{
Super::DrawHUD
();
if
(!py_hud_instance)
return
;
FScopePythonGIL gil;
if
(!
PyObject_HasAttrString
(py_hud_instance, (
char
*)
"
draw_hud
"
))
return
;
PyObject *ret =
PyObject_CallMethod
(py_hud_instance, (
char
*)
"
draw_hud
"
,
nullptr
);
if
(!ret)
{
unreal_engine_py_log_error
();
return
;
}
Py_DECREF
(ret);
}
void
APyHUD::CallPythonHUDMethod
(FString method_name, FString args)
{
if
(!py_hud_instance)
return
;
FScopePythonGIL gil;
PyObject *ret =
nullptr
;
if
(args.
IsEmpty
())
{
ret =
PyObject_CallMethod
(py_hud_instance,
TCHAR_TO_UTF8
(*method_name),
NULL
);
}
else
{
ret =
PyObject_CallMethod
(py_hud_instance,
TCHAR_TO_UTF8
(*method_name), (
char
*)
"
s
"
,
TCHAR_TO_UTF8
(*args));
}
if
(!ret)
{
unreal_engine_py_log_error
();
return
;
}
Py_DECREF
(ret);
}
bool
APyHUD::CallPythonHUDMethodBool
(FString method_name, FString args)
{
if
(!py_hud_instance)
return
false
;
FScopePythonGIL gil;
PyObject *ret =
nullptr
;
if
(args.
IsEmpty
())
{
ret =
PyObject_CallMethod
(py_hud_instance,
TCHAR_TO_UTF8
(*method_name),
NULL
);
}
else
{
ret =
PyObject_CallMethod
(py_hud_instance,
TCHAR_TO_UTF8
(*method_name), (
char
*)
"
s
"
,
TCHAR_TO_UTF8
(*args));
}
if
(!ret)
{
unreal_engine_py_log_error
();
return
false
;
}
if
(
PyObject_IsTrue
(ret))
{
Py_DECREF
(ret);
return
true
;
}
Py_DECREF
(ret);
return
false
;
}
FString
APyHUD::CallPythonHUDMethodString
(FString method_name, FString args)
{
if
(!py_hud_instance)
return
FString
();
FScopePythonGIL gil;
PyObject *ret =
nullptr
;
if
(args.
IsEmpty
())
{
ret =
PyObject_CallMethod
(py_hud_instance,
TCHAR_TO_UTF8
(*method_name),
NULL
);
}
else
{
ret =
PyObject_CallMethod
(py_hud_instance,
TCHAR_TO_UTF8
(*method_name), (
char
*)
"
s
"
,
TCHAR_TO_UTF8
(*args));
}
if
(!ret)
{
unreal_engine_py_log_error
();
return
FString
();
}
PyObject *py_str =
PyObject_Str
(ret);
if
(!py_str)
{
Py_DECREF
(ret);
return
FString
();
}
const
char
*str_ret =
UEPyUnicode_AsUTF8
(py_str);
FString ret_fstring =
FString
(
UTF8_TO_TCHAR
(str_ret));
Py_DECREF
(py_str);
return
ret_fstring;
}
APyHUD::~APyHUD
()
{
FScopePythonGIL gil;
Py_XDECREF
(py_hud_instance);
#
if
defined(UEPY_MEMORY_DEBUG)
UE_LOG
(LogPython, Warning,
TEXT
(
"
Python AHUD %p (mapped to %p) wrapper XDECREF'ed
"
),
this
, py_uobject ? py_uobject->
py_proxy
:
nullptr
);
#
endif
//
this could trigger the distruction of the python/uobject mapper
Py_XDECREF
(py_uobject);
FUnrealEnginePythonHouseKeeper::Get
()->
UnregisterPyUObject
(
this
);
}
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