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1483 lines (1184 loc) · 37 KB
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// Copyright 20Tab S.r.l.
#include "UEPyEngine.h"
#include "Kismet/KismetSystemLibrary.h"
#include "Kismet/KismetMathLibrary.h"
#include "Developer/DesktopPlatform/Public/IDesktopPlatform.h"
#include "Developer/DesktopPlatform/Public/DesktopPlatformModule.h"
#if WITH_EDITOR
#include "PackageTools.h"
#include "Editor.h"
#endif
#include "UnrealEngine.h"
#include "Runtime/Engine/Classes/Engine/GameViewportClient.h"
#if ENGINE_MINOR_VERSION >= 18
#include "HAL/PlatformApplicationMisc.h"
#endif
#include "Runtime/Launch/Public/LaunchEngineLoop.h"
#if PLATFORM_MAC
#include "Runtime/Core/Public/Mac/CocoaThread.h"
#endif
#include "Runtime/Slate/Public/Framework/Application/SlateApplication.h"
#include "Runtime/CoreUObject/Public/UObject/UObjectIterator.h"
PyObject *py_unreal_engine_log(PyObject * self, PyObject * args)
{
PyObject *py_message;
if (!PyArg_ParseTuple(args, "O:log", &py_message))
{
return NULL;
}
PyObject *stringified = PyObject_Str(py_message);
if (!stringified)
return PyErr_Format(PyExc_Exception, "argument cannot be casted to string");
const char *message = UEPyUnicode_AsUTF8(stringified);
UE_LOG(LogPython, Log, TEXT("%s"), UTF8_TO_TCHAR(message));
Py_DECREF(stringified);
Py_RETURN_NONE;
}
PyObject *py_unreal_engine_log_warning(PyObject * self, PyObject * args)
{
PyObject *py_message;
if (!PyArg_ParseTuple(args, "O:log_warning", &py_message))
{
return NULL;
}
PyObject *stringified = PyObject_Str(py_message);
if (!stringified)
return PyErr_Format(PyExc_Exception, "argument cannot be casted to string");
const char *message = UEPyUnicode_AsUTF8(stringified);
UE_LOG(LogPython, Warning, TEXT("%s"), UTF8_TO_TCHAR(message));
Py_DECREF(stringified);
Py_RETURN_NONE;
}
PyObject *py_unreal_engine_log_error(PyObject * self, PyObject * args)
{
PyObject *py_message;
if (!PyArg_ParseTuple(args, "O:log_error", &py_message))
{
return NULL;
}
PyObject *stringified = PyObject_Str(py_message);
if (!stringified)
return PyErr_Format(PyExc_Exception, "argument cannot be casted to string");
const char *message = UEPyUnicode_AsUTF8(stringified);
UE_LOG(LogPython, Error, TEXT("%s"), UTF8_TO_TCHAR(message));
Py_DECREF(stringified);
Py_RETURN_NONE;
}
PyObject *py_unreal_engine_add_on_screen_debug_message(PyObject * self, PyObject * args)
{
int key;
float time_to_display;
PyObject *py_message;
if (!PyArg_ParseTuple(args, "ifO:add_on_screen_debug_message", &key, &time_to_display, &py_message))
{
return NULL;
}
if (!GEngine)
{
Py_INCREF(Py_None);
return Py_None;
}
PyObject *stringified = PyObject_Str(py_message);
if (!stringified)
return PyErr_Format(PyExc_Exception, "argument cannot be casted to string");
const char *message = UEPyUnicode_AsUTF8(stringified);
GEngine->AddOnScreenDebugMessage(key, time_to_display, FColor::Green, FString::Printf(TEXT("%s"), UTF8_TO_TCHAR(message)));
Py_DECREF(stringified);
Py_RETURN_NONE;
}
PyObject *py_unreal_engine_print_string(PyObject * self, PyObject * args)
{
PyObject *py_message;
float timeout = 2.0;
PyObject *py_color = nullptr;
if (!PyArg_ParseTuple(args, "O|fO:print_string", &py_message, &timeout, &py_color))
{
return NULL;
}
if (!GEngine)
{
Py_RETURN_NONE;
}
FColor color = FColor::Cyan;
if (py_color)
{
ue_PyFColor *f_color = py_ue_is_fcolor(py_color);
if (!f_color)
return PyErr_Format(PyExc_Exception, "argument is not a FColor");
color = f_color->color;
}
PyObject *stringified = PyObject_Str(py_message);
if (!stringified)
return PyErr_Format(PyExc_Exception, "argument cannot be casted to string");
const char *message = UEPyUnicode_AsUTF8(stringified);
GEngine->AddOnScreenDebugMessage(-1, timeout, color, FString(UTF8_TO_TCHAR(message)));
Py_DECREF(stringified);
Py_RETURN_NONE;
}
PyObject *py_unreal_engine_get_forward_vector(PyObject * self, PyObject * args)
{
FRotator rot;
if (!py_ue_rotator_arg(args, rot))
return NULL;
FVector vec = UKismetMathLibrary::GetForwardVector(rot);
return py_ue_new_fvector(vec);
}
PyObject *py_unreal_engine_get_right_vector(PyObject * self, PyObject * args)
{
FRotator rot;
if (!py_ue_rotator_arg(args, rot))
return NULL;
FVector vec = UKismetMathLibrary::GetRightVector(rot);
return py_ue_new_fvector(vec);
}
PyObject *py_unreal_engine_get_up_vector(PyObject * self, PyObject * args)
{
FRotator rot;
if (!py_ue_rotator_arg(args, rot))
return NULL;
FVector vec = UKismetMathLibrary::GetUpVector(rot);
return py_ue_new_fvector(vec);
}
PyObject *py_unreal_engine_get_content_dir(PyObject * self, PyObject * args)
{
#if ENGINE_MINOR_VERSION >= 18
return PyUnicode_FromString(TCHAR_TO_UTF8(*FPaths::ProjectContentDir()));
#else
return PyUnicode_FromString(TCHAR_TO_UTF8(*FPaths::GameContentDir()));
#endif
}
PyObject *py_unreal_engine_get_game_saved_dir(PyObject * self, PyObject * args)
{
#if ENGINE_MINOR_VERSION >= 18
return PyUnicode_FromString(TCHAR_TO_UTF8(*FPaths::ProjectSavedDir()));
#else
return PyUnicode_FromString(TCHAR_TO_UTF8(*FPaths::GameSavedDir()));
#endif
}
PyObject * py_unreal_engine_get_game_user_developer_dir(PyObject *, PyObject *)
{
return PyUnicode_FromString(TCHAR_TO_UTF8(*FPaths::GameUserDeveloperDir()));
}
PyObject *py_unreal_engine_convert_relative_path_to_full(PyObject * self, PyObject * args)
{
char *path;
if (!PyArg_ParseTuple(args, "s:convert_relative_path_to_full", &path))
{
return NULL;
}
return PyUnicode_FromString(TCHAR_TO_UTF8(*FPaths::ConvertRelativePathToFull(UTF8_TO_TCHAR(path))));
}
PyObject *py_unreal_engine_object_path_to_package_name(PyObject * self, PyObject * args)
{
char *path;
if (!PyArg_ParseTuple(args, "s:object_path_to_package_name", &path))
{
return NULL;
}
return PyUnicode_FromString(TCHAR_TO_UTF8(*FPackageName::ObjectPathToPackageName(UTF8_TO_TCHAR(path))));
}
PyObject *py_unreal_engine_get_path(PyObject * self, PyObject * args)
{
char *path;
if (!PyArg_ParseTuple(args, "s:get_path", &path))
{
return NULL;
}
return PyUnicode_FromString(TCHAR_TO_UTF8(*FPaths::GetPath(UTF8_TO_TCHAR(path))));
}
PyObject *py_unreal_engine_get_base_filename(PyObject * self, PyObject * args)
{
char *path;
if (!PyArg_ParseTuple(args, "s:get_base_filename", &path))
{
return NULL;
}
return PyUnicode_FromString(TCHAR_TO_UTF8(*FPaths::GetBaseFilename(UTF8_TO_TCHAR(path))));
}
PyObject *py_unreal_engine_create_world(PyObject * self, PyObject * args)
{
int world_type = 0;
if (!PyArg_ParseTuple(args, "|i:create_world", &world_type))
{
return NULL;
}
UWorld *world = UWorld::CreateWorld((EWorldType::Type)world_type, false);
Py_RETURN_UOBJECT(world);
}
PyObject *py_unreal_engine_find_class(PyObject * self, PyObject * args)
{
char *name;
if (!PyArg_ParseTuple(args, "s:find_class", &name))
{
return NULL;
}
UClass *u_class = FindObject<UClass>(ANY_PACKAGE, UTF8_TO_TCHAR(name));
if (!u_class)
return PyErr_Format(PyExc_Exception, "unable to find class %s", name);
Py_RETURN_UOBJECT(u_class);
}
PyObject *py_unreal_engine_find_enum(PyObject * self, PyObject * args)
{
char *name;
if (!PyArg_ParseTuple(args, "s:find_enum", &name))
{
return NULL;
}
UEnum *u_enum = FindObject<UEnum>(ANY_PACKAGE, UTF8_TO_TCHAR(name));
if (!u_enum)
return PyErr_Format(PyExc_Exception, "unable to find enum %s", name);
Py_RETURN_UOBJECT(u_enum);
}
PyObject *py_unreal_engine_load_package(PyObject * self, PyObject * args)
{
char *name;
if (!PyArg_ParseTuple(args, "s:load_package", &name))
{
return nullptr;
}
UPackage *u_package = LoadPackage(nullptr, UTF8_TO_TCHAR(name), LOAD_None);
if (!u_package)
return PyErr_Format(PyExc_Exception, "unable to load package %s", name);
Py_RETURN_UOBJECT(u_package);
}
#if WITH_EDITOR
PyObject *py_unreal_engine_unload_package(PyObject * self, PyObject * args)
{
PyObject *obj;
if (!PyArg_ParseTuple(args, "O:unload_package", &obj))
{
return NULL;
}
UPackage* packageToUnload = ue_py_check_type<UPackage>(obj);
if (!packageToUnload)
{
return PyErr_Format(PyExc_Exception, "argument is not a UPackage");
}
FText outErrorMsg;
if (!PackageTools::UnloadPackages({ packageToUnload }, outErrorMsg))
{
return PyErr_Format(PyExc_Exception, "%s", TCHAR_TO_UTF8(*outErrorMsg.ToString()));
}
Py_RETURN_NONE;
}
PyObject *py_unreal_engine_get_package_filename(PyObject * self, PyObject * args)
{
char *name;
if (!PyArg_ParseTuple(args, "s:get_package_filename", &name))
{
return NULL;
}
FString Filename;
if (!FPackageName::DoesPackageExist(FString(UTF8_TO_TCHAR(name)), nullptr, &Filename))
return PyErr_Format(PyExc_Exception, "package does not exist");
return PyUnicode_FromString(TCHAR_TO_UTF8(*Filename));
}
#endif
PyObject *py_unreal_engine_load_class(PyObject * self, PyObject * args)
{
char *name;
char *filename = nullptr;
if (!PyArg_ParseTuple(args, "s|s:load_class", &name, &filename))
{
return NULL;
}
TCHAR *t_filename = (TCHAR *)0;
if (filename)
t_filename = UTF8_TO_TCHAR(filename);
UObject *u_class = StaticLoadObject(UClass::StaticClass(), NULL, UTF8_TO_TCHAR(name), t_filename);
if (!u_class)
return PyErr_Format(PyExc_Exception, "unable to find class %s", name);
Py_RETURN_UOBJECT(u_class);
}
PyObject *py_unreal_engine_load_enum(PyObject * self, PyObject * args)
{
char *name;
char *filename = nullptr;
if (!PyArg_ParseTuple(args, "s|s:load_enum", &name, &filename))
{
return NULL;
}
TCHAR *t_filename = (TCHAR *)0;
if (filename)
t_filename = UTF8_TO_TCHAR(filename);
UObject *u_enum = StaticLoadObject(UEnum::StaticClass(), NULL, UTF8_TO_TCHAR(name), t_filename);
if (!u_enum)
return PyErr_Format(PyExc_Exception, "unable to find enum %s", name);
Py_RETURN_UOBJECT(u_enum);
}
PyObject *py_unreal_engine_find_struct(PyObject * self, PyObject * args)
{
char *name;
if (!PyArg_ParseTuple(args, "s:find_struct", &name))
{
return NULL;
}
UScriptStruct *u_struct = FindObject<UScriptStruct>(ANY_PACKAGE, UTF8_TO_TCHAR(name));
if (!u_struct)
return PyErr_Format(PyExc_Exception, "unable to find struct %s", name);
Py_RETURN_UOBJECT(u_struct);
}
PyObject *py_unreal_engine_load_struct(PyObject * self, PyObject * args)
{
char *name;
char *filename = nullptr;
if (!PyArg_ParseTuple(args, "s|s:load_struct", &name, &filename))
{
return NULL;
}
TCHAR *t_filename = (TCHAR *)0;
if (filename)
t_filename = UTF8_TO_TCHAR(filename);
UObject *u_struct = StaticLoadObject(UScriptStruct::StaticClass(), NULL, UTF8_TO_TCHAR(name), t_filename);
if (!u_struct)
return PyErr_Format(PyExc_Exception, "unable to find struct %s", name);
Py_RETURN_UOBJECT(u_struct);
}
PyObject *py_unreal_engine_load_object(PyObject * self, PyObject * args)
{
PyObject *obj;
char *name;
char *filename = nullptr;
if (!PyArg_ParseTuple(args, "Os|s:load_object", &obj, &name, &filename))
{
return NULL;
}
if (!ue_is_pyuobject(obj))
{
return PyErr_Format(PyExc_Exception, "argument is not a UObject");
}
ue_PyUObject *py_obj = (ue_PyUObject *)obj;
if (!py_obj->ue_object->IsA<UClass>())
{
return PyErr_Format(PyExc_Exception, "argument is not a UClass");
}
UClass *u_class = (UClass *)py_obj->ue_object;
TCHAR *t_filename = (TCHAR *)0;
if (filename)
t_filename = UTF8_TO_TCHAR(filename);
UObject *u_object = StaticLoadObject(u_class, NULL, UTF8_TO_TCHAR(name), t_filename);
if (!u_object)
return PyErr_Format(PyExc_Exception, "unable to load object %s", name);
Py_RETURN_UOBJECT(u_object);
}
PyObject *py_unreal_engine_string_to_guid(PyObject * self, PyObject * args)
{
char *str;
if (!PyArg_ParseTuple(args, "s:string_to_guid", &str))
{
return nullptr;
}
FGuid guid;
if (FGuid::Parse(FString(str), guid))
{
return py_ue_new_owned_uscriptstruct(FindObject<UScriptStruct>(ANY_PACKAGE, UTF8_TO_TCHAR((char *)"Guid")), (uint8 *)&guid);
}
return PyErr_Format(PyExc_Exception, "unable to build FGuid");
}
PyObject *py_unreal_engine_new_guid(PyObject * self, PyObject * args)
{
FGuid guid = FGuid::NewGuid();
return py_ue_new_owned_uscriptstruct(FindObject<UScriptStruct>(ANY_PACKAGE, UTF8_TO_TCHAR((char *)"Guid")), (uint8 *)&guid);
}
PyObject *py_unreal_engine_guid_to_string(PyObject * self, PyObject * args)
{
PyObject *py_guid;
if (!PyArg_ParseTuple(args, "O:guid_to_string", &py_guid))
{
return nullptr;
}
FGuid *guid = ue_py_check_fguid(py_guid);
if (!guid)
return PyErr_Format(PyExc_Exception, "object is not a FGuid");
return PyUnicode_FromString(TCHAR_TO_UTF8(*guid->ToString()));
}
PyObject *py_unreal_engine_slate_tick(PyObject * self, PyObject * args)
{
Py_BEGIN_ALLOW_THREADS;
FSlateApplication::Get().PumpMessages();
FSlateApplication::Get().Tick();
Py_END_ALLOW_THREADS;
Py_RETURN_NONE;
}
PyObject *py_unreal_engine_engine_tick(PyObject * self, PyObject * args)
{
float delta_seconds = FApp::GetDeltaTime();
PyObject *py_idle = nullptr;
if (!PyArg_ParseTuple(args, "|fO:engine_tick", &delta_seconds, &py_idle))
{
return nullptr;
}
bool bIdle = false;
if (py_idle && PyObject_IsTrue(py_idle))
bIdle = true;
Py_BEGIN_ALLOW_THREADS;
GEngine->Tick(delta_seconds, bIdle);
Py_END_ALLOW_THREADS;
Py_RETURN_NONE;
}
#if WITH_EDITOR
PyObject *py_unreal_engine_tick_rendering_tickables(PyObject * self, PyObject * args)
{
Py_BEGIN_ALLOW_THREADS;
TickRenderingTickables();
Py_END_ALLOW_THREADS;
Py_RETURN_NONE;
}
#endif
PyObject *py_unreal_engine_get_delta_time(PyObject * self, PyObject * args)
{
return PyFloat_FromDouble(FApp::GetDeltaTime());
}
PyObject *py_unreal_engine_find_object(PyObject * self, PyObject * args)
{
char *name;
if (!PyArg_ParseTuple(args, "s:find_object", &name))
{
return NULL;
}
UObject *u_object = FindObject<UObject>(ANY_PACKAGE, UTF8_TO_TCHAR(name));
if (!u_object)
return PyErr_Format(PyExc_Exception, "unable to find object %s", name);
Py_RETURN_UOBJECT(u_object);
}
PyObject *py_unreal_engine_new_object(PyObject * self, PyObject * args)
{
PyObject *obj;
PyObject *py_outer = NULL;
char *name = nullptr;
uint64 flags = (uint64)(RF_Public);
if (!PyArg_ParseTuple(args, "O|OsK:new_object", &obj, &py_outer, &name, &flags))
{
return nullptr;
}
UClass *obj_class = ue_py_check_type<UClass>(obj);
if (!obj_class)
return PyErr_Format(PyExc_Exception, "uobject is not a UClass");
FName f_name = NAME_None;
if (name && strlen(name) > 0)
{
f_name = FName(UTF8_TO_TCHAR(name));
}
UObject *outer = GetTransientPackage();
if (py_outer && py_outer != Py_None)
{
outer = ue_py_check_type<UObject>(py_outer);
if (!outer)
return PyErr_Format(PyExc_Exception, "argument is not a UObject");
}
UObject *new_object = nullptr;
Py_BEGIN_ALLOW_THREADS;
new_object = NewObject<UObject>(outer, obj_class, f_name, (EObjectFlags)flags);
if (new_object)
new_object->PostLoad();
Py_END_ALLOW_THREADS;
if (!new_object)
return PyErr_Format(PyExc_Exception, "unable to create object");
Py_RETURN_UOBJECT(new_object);
}
PyObject *py_unreal_engine_get_mutable_default(PyObject * self, PyObject * args)
{
PyObject *obj;
if (!PyArg_ParseTuple(args, "O|Os:get_mutable_default", &obj))
{
return NULL;
}
if (!ue_is_pyuobject(obj))
{
return PyErr_Format(PyExc_Exception, "argument is not a UObject");
}
ue_PyUObject *py_obj = (ue_PyUObject *)obj;
if (!py_obj->ue_object->IsA<UClass>())
return PyErr_Format(PyExc_Exception, "uobject is not a UClass");
UClass *obj_class = (UClass *)py_obj->ue_object;
UObject *mutable_object = GetMutableDefault<UObject>(obj_class);
if (!mutable_object)
return PyErr_Format(PyExc_Exception, "unable to create object");
Py_RETURN_UOBJECT(mutable_object);
}
PyObject *py_unreal_engine_new_class(PyObject * self, PyObject * args)
{
PyObject *py_parent;
char *name;
if (!PyArg_ParseTuple(args, "Os:new_class", &py_parent, &name))
{
return NULL;
}
UClass *parent = nullptr;
if (py_parent != Py_None)
{
if (!ue_is_pyuobject(py_parent))
{
return PyErr_Format(PyExc_Exception, "argument is not a UObject");
}
ue_PyUObject *py_obj = (ue_PyUObject *)py_parent;
if (!py_obj->ue_object->IsA<UClass>())
return PyErr_Format(PyExc_Exception, "uobject is not a UClass");
parent = (UClass *)py_obj->ue_object;
}
UClass *new_object = unreal_engine_new_uclass(name, parent);
if (!new_object)
return PyErr_Format(PyExc_Exception, "unable to create UClass");
Py_RETURN_UOBJECT(new_object);
}
PyObject *py_unreal_engine_all_classes(PyObject * self, PyObject * args)
{
PyObject *ret = PyList_New(0);
for (TObjectIterator<UClass> Itr; Itr; ++Itr)
{
ue_PyUObject *py_obj = ue_get_python_uobject(*Itr);
if (!py_obj)
continue;
PyList_Append(ret, (PyObject *)py_obj);
}
return ret;
}
PyObject *py_unreal_engine_all_worlds(PyObject * self, PyObject * args)
{
PyObject *ret = PyList_New(0);
for (TObjectIterator<UWorld> Itr; Itr; ++Itr)
{
ue_PyUObject *py_obj = ue_get_python_uobject(*Itr);
if (!py_obj)
continue;
PyList_Append(ret, (PyObject *)py_obj);
}
return ret;
}
PyObject *py_unreal_engine_tobject_iterator(PyObject * self, PyObject * args)
{
PyObject *py_class;
if (!PyArg_ParseTuple(args, "O:tobject_iterator", &py_class))
{
return NULL;
}
UClass *u_class = ue_py_check_type<UClass>(py_class);
if (!u_class)
{
return PyErr_Format(PyExc_TypeError, "argument is not a UClass");
}
PyObject *ret = PyList_New(0);
for (TObjectIterator<UObject> Itr; Itr; ++Itr)
{
if (!(*Itr)->IsA(u_class))
continue;
ue_PyUObject *py_obj = ue_get_python_uobject(*Itr);
if (!py_obj)
continue;
PyList_Append(ret, (PyObject *)py_obj);
}
return ret;
}
PyObject *py_unreal_engine_create_and_dispatch_when_ready(PyObject * self, PyObject * args)
{
PyObject *py_callable = nullptr;
PyObject *py_params = nullptr;
Py_ssize_t TupleSize = PyTuple_Size(args);
if (TupleSize == 1)
{
//function with no params
if (!PyArg_ParseTuple(args, "O:create_and_dispatch_when_ready", &py_callable))
{
UE_LOG(LogPython, Log, TEXT("PyArg_ParseTuple without params failed"));
unreal_engine_py_log_error();
return NULL;
}
}
else
{
//function with params
if (!PyArg_ParseTuple(args, "OO:create_and_dispatch_when_ready", &py_callable, &py_params))
{
UE_LOG(LogPython, Log, TEXT("PyArg_ParseTuple with params failed"));
unreal_engine_py_log_error();
//Not an acceptable format, exit
return NULL;
}
}
//UE_LOG(LogPython, Log, TEXT("Start Task in Game thread? %d"), IsInGameThread());
if (!PyCallable_Check(py_callable))
{
return PyErr_Format(PyExc_TypeError, "argument is not callable");
}
Py_INCREF(py_callable);
if (py_params)
{
Py_INCREF(py_params);
}
const PyObject* py_callable_s = py_callable;
const PyObject* py_params_s = py_params;
FGraphEventRef task = FFunctionGraphTask::CreateAndDispatchWhenReady([&, py_callable_s, py_params_s]() {
//UE_LOG(LogPython, Log, TEXT("In task graph, are in game thread? %d"), IsInGameThread());
FScopePythonGIL gil;
PyObject *ret = nullptr;
PyObject *py_tuple_params = nullptr;
//do we have parameters?
if (py_params_s)
{
py_tuple_params = PyTuple_New(1);
PyTuple_SetItem(py_tuple_params, 0, (PyObject*)py_params_s);
ret = PyObject_CallObject((PyObject*)py_callable_s, py_tuple_params);
}
else
{
ret = PyObject_CallObject((PyObject*)py_callable_s, nullptr);
}
//did we get a valid return from our call?
if (ret)
{
Py_DECREF(ret);
}
else
{
unreal_engine_py_log_error();
}
if (py_params_s)
{
Py_DECREF(py_params_s);
}
if (py_tuple_params)
{
Py_DECREF(py_tuple_params);
}
Py_DECREF(py_callable_s);
}, TStatId(), nullptr, ENamedThreads::GameThread);
Py_INCREF(Py_None);
Py_RETURN_NONE;
}
PyObject * py_unreal_engine_run_on_gt(PyObject *self, PyObject * args)
{
PyObject *py_callable = nullptr;
PyObject *py_params = nullptr;
Py_ssize_t TupleSize = PyTuple_Size(args);
if (TupleSize == 1)
{
//function with no params
if (!PyArg_ParseTuple(args, "O:create_and_dispatch_when_ready", &py_callable))
{
UE_LOG(LogPython, Log, TEXT("PyArg_ParseTuple without params failed"));
unreal_engine_py_log_error();
return NULL;
}
}
else
{
//function with params
if (!PyArg_ParseTuple(args, "OO:create_and_dispatch_when_ready", &py_callable, &py_params))
{
UE_LOG(LogPython, Log, TEXT("PyArg_ParseTuple with params failed"));
unreal_engine_py_log_error();
//Not an acceptable format, exit
return NULL;
}
}
//UE_LOG(LogPython, Log, TEXT("Start Task in Game thread? %d"), IsInGameThread());
if (!PyCallable_Check(py_callable))
{
return PyErr_Format(PyExc_TypeError, "argument is not callable");
}
Py_INCREF(py_callable);
if (py_params)
{
Py_INCREF(py_params);
}
const PyObject* py_callable_s = py_callable;
const PyObject* py_params_s = py_params;
FGraphEventRef task = FFunctionGraphTask::CreateAndDispatchWhenReady([&, py_callable_s, py_params_s]() {
//UE_LOG(LogPython, Log, TEXT("In task graph, are in game thread? %d"), IsInGameThread());
FScopePythonGIL gil;
PyObject *ret = nullptr;
PyObject *py_tuple_params = nullptr;
//do we have parameters?
if (py_params_s)
{
py_tuple_params = PyTuple_New(1);
PyTuple_SetItem(py_tuple_params, 0, (PyObject*)py_params_s);
ret = PyObject_CallObject((PyObject*)py_callable_s, py_tuple_params);
}
else
{
ret = PyObject_CallObject((PyObject*)py_callable_s, nullptr);
}
//did we get a valid return from our call?
if (ret)
{
Py_DECREF(ret);
}
else
{
unreal_engine_py_log_error();
}
if (py_params_s)
{
Py_DECREF(py_params_s);
}
if (py_tuple_params)
{
Py_DECREF(py_tuple_params);
}
Py_DECREF(py_callable_s);
}, TStatId(), nullptr, ENamedThreads::GameThread);
Py_INCREF(Py_None);
Py_RETURN_NONE;
}
#if PLATFORM_MAC
PyObject *py_unreal_engine_main_thread_call(PyObject * self, PyObject * args)
{
PyObject *py_callable;
if (!PyArg_ParseTuple(args, "O|:main_thread_call", &py_callable))
{
return NULL;
}
if (!PyCallable_Check(py_callable))
return PyErr_Format(PyExc_TypeError, "argument is not callable");
Py_INCREF(py_callable);
Py_BEGIN_ALLOW_THREADS;
MainThreadCall(^{
FScopePythonGIL gil;
PyObject *ret = PyObject_CallObject(py_callable, nullptr);
if (ret)
{
Py_DECREF(ret);
}
else
{
unreal_engine_py_log_error();
}
Py_DECREF(py_callable);
});
Py_END_ALLOW_THREADS;
Py_RETURN_NONE;
}
#endif
PyObject *py_unreal_engine_get_game_viewport_size(PyObject *self, PyObject * args)
{
if (!GEngine->GameViewport)
{
return PyErr_Format(PyExc_Exception, "unable to get GameViewport");
}
FVector2D size;
GEngine->GameViewport->GetViewportSize(size);
return Py_BuildValue("(ff)", size.X, size.Y);
}
PyObject *py_unreal_engine_get_resolution(PyObject *self, PyObject * args)
{
return Py_BuildValue("(ff)", GSystemResolution.ResX, GSystemResolution.ResY);
}
PyObject *py_unreal_engine_get_viewport_screenshot(PyObject *self, PyObject * args)
{
if (!GEngine->GameViewport)
{
Py_INCREF(Py_None);
return Py_None;
}
PyObject *py_bool = nullptr;
bool as_int_list = false;
if (!PyArg_ParseTuple(args, "|O:get_viewport_screenshot", &py_bool))
{
return NULL;
}
if (py_bool && PyObject_IsTrue(py_bool))
as_int_list = true;
FViewport *viewport = GEngine->GameViewport->Viewport;
TArray<FColor> bitmap;
bool success = GetViewportScreenShot(viewport, bitmap);
if (!success)
{
Py_INCREF(Py_None);
return Py_None;
}
if (as_int_list)
{
PyObject *bitmap_tuple = PyTuple_New(bitmap.Num() * 4);
for (int i = 0; i < bitmap.Num(); i++)
{
PyTuple_SetItem(bitmap_tuple, i * 4, PyLong_FromLong(bitmap[i].R));
PyTuple_SetItem(bitmap_tuple, i * 4 + 1, PyLong_FromLong(bitmap[i].G));
PyTuple_SetItem(bitmap_tuple, i * 4 + 2, PyLong_FromLong(bitmap[i].B));
PyTuple_SetItem(bitmap_tuple, i * 4 + 3, PyLong_FromLong(bitmap[i].A));
}
return bitmap_tuple;