#include "UnrealEnginePythonPrivatePCH.h"

#include "Kismet/KismetSystemLibrary.h"

#include "Kismet/KismetMathLibrary.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");

char *message = PyUnicode_AsUTF8(stringified);

UE_LOG(LogPython, Log, TEXT("%s"), UTF8_TO_TCHAR(message));

Py_DECREF(stringified);

Py_INCREF(Py_None);

return Py_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");

char *message = PyUnicode_AsUTF8(stringified);

UE_LOG(LogPython, Warning, TEXT("%s"), UTF8_TO_TCHAR(message));

Py_DECREF(stringified);

Py_INCREF(Py_None);

return Py_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");

char *message = PyUnicode_AsUTF8(stringified);

UE_LOG(LogPython, Error, TEXT("%s"), UTF8_TO_TCHAR(message));

Py_DECREF(stringified);

Py_INCREF(Py_None);

return Py_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");

char *message = PyUnicode_AsUTF8(stringified);

GEngine->AddOnScreenDebugMessage(key, time_to_display, FColor::Green, FString::Printf(TEXT("%s"), UTF8_TO_TCHAR(message)));

Py_DECREF(stringified);

Py_INCREF(Py_None);

return Py_None;

}

PyObject *py_unreal_engine_print_string(PyObject * self, PyObject * args) {

PyObject *py_message;

if (!PyArg_ParseTuple(args, "O:print_string", &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");

char *message = PyUnicode_AsUTF8(stringified);

GEngine->AddOnScreenDebugMessage(-1, 2.0, FColor::Cyan, FString::Printf(TEXT("%s"), UTF8_TO_TCHAR(message)));

Py_DECREF(stringified);

Py_INCREF(Py_None);

return Py_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) {

return PyUnicode_FromString(TCHAR_TO_UTF8(*FPaths::GameContentDir()));

}

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_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);

ue_PyUObject *ret = ue_get_python_wrapper(u_class);

if (!ret)

return PyErr_Format(PyExc_Exception, "uobject is in invalid state");

Py_INCREF(ret);

return (PyObject *)ret;

}

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);

ue_PyUObject *ret = ue_get_python_wrapper(u_enum);

if (!ret)

return PyErr_Format(PyExc_Exception, "uobject is in invalid state");

Py_INCREF(ret);

return (PyObject *)ret;

}

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);

ue_PyUObject *ret = ue_get_python_wrapper(u_class);

if (!ret)

return PyErr_Format(PyExc_Exception, "uobject is in invalid state");

Py_INCREF(ret);

return (PyObject *)ret;

}

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);

ue_PyUObject *ret = ue_get_python_wrapper(u_enum);

if (!ret)

return PyErr_Format(PyExc_Exception, "uobject is in invalid state");

Py_INCREF(ret);

return (PyObject *)ret;

}

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);

ue_PyUObject *ret = ue_get_python_wrapper(u_struct);

if (!ret)

return PyErr_Format(PyExc_Exception, "uobject is in invalid state");

Py_INCREF(ret);

return (PyObject *)ret;

}

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);

ue_PyUObject *ret = ue_get_python_wrapper(u_struct);

if (!ret)

return PyErr_Format(PyExc_Exception, "uobject is in invalid state");

Py_INCREF(ret);

return (PyObject *)ret;

}

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);

ue_PyUObject *ret = ue_get_python_wrapper(u_object);

if (!ret)

return PyErr_Format(PyExc_Exception, "uobject is in invalid state");

Py_INCREF(ret);

return (PyObject *)ret;

}

PyObject *py_unreal_engine_string_to_guid(PyObject * self, PyObject * args) {

char *str;

if (!PyArg_ParseTuple(args, "s:string_to_guid", &str)) {

return NULL;

}

FGuid guid;

if (FGuid::Parse(FString(str), guid)) {

return py_ue_new_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_engine_tick(PyObject * self, PyObject * args) {

float delta_seconds;

PyObject *py_bool;

if (!PyArg_ParseTuple(args, "fO:engine_tick", &delta_seconds, &py_bool)) {

return NULL;

}

GEngine->Tick(delta_seconds, PyObject_IsTrue(py_bool) ? true : false);

Py_INCREF(Py_None);

return Py_None;

}

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);

ue_PyUObject *ret = ue_get_python_wrapper(u_object);

if (!ret)

return PyErr_Format(PyExc_Exception, "uobject is in invalid state");

Py_INCREF(ret);

return (PyObject *)ret;

}

PyObject *py_unreal_engine_new_object(PyObject * self, PyObject * args) {

PyObject *obj;

PyObject *py_outer = NULL;

char *name = nullptr;

if (!PyArg_ParseTuple(args, "O|Os:new_object", &obj, &py_outer, &name)) {

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;

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) {

if (!ue_is_pyuobject(py_outer)) {

return PyErr_Format(PyExc_Exception, "argument is not a UObject");

}

ue_PyUObject *py_outer_obj = (ue_PyUObject *)py_outer;

outer = py_outer_obj->ue_object;

}

UObject *new_object = NewObject<UObject>(outer, obj_class, f_name, RF_Public | RF_Standalone);

if (!new_object)

return PyErr_Format(PyExc_Exception, "unable to create object");

new_object->PostLoad();

ue_PyUObject *ret = ue_get_python_wrapper(new_object);

if (!ret)

return PyErr_Format(PyExc_Exception, "uobject is in invalid state");

Py_INCREF(ret);

return (PyObject *)ret;

}

PyObject *py_unreal_engine_get_mutable_default(PyObject * self, PyObject * args) {

PyObject *obj;

if (!PyArg_ParseTuple(args, "O|Os:new_object", &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");

ue_PyUObject *ret = ue_get_python_wrapper(mutable_object);

if (!ret)

return PyErr_Format(PyExc_Exception, "uobject is in invalid state");

Py_INCREF(ret);

return (PyObject *)ret;

}

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");

ue_PyUObject *ret = ue_get_python_wrapper(new_object);

if (!ret)

return PyErr_Format(PyExc_Exception, "uobject is in invalid state");

Py_INCREF(ret);

return (PyObject *)ret;

}

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_wrapper(*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;

if (!PyArg_ParseTuple(args, "O:create_and_dispatch_when_ready", &py_callable)) {

return NULL;

}

if (!PyCallable_Check(py_callable))

return PyErr_Format(PyExc_TypeError, "argument is not callable");

Py_INCREF(py_callable);

FGraphEventRef task = FFunctionGraphTask::CreateAndDispatchWhenReady([&]() {

FScopePythonGIL gil;

PyObject *ret = PyObject_CallObject(py_callable, nullptr);

if (ret) {

Py_DECREF(ret);

}

else {

unreal_engine_py_log_error();

}

Py_DECREF(py_callable);

}, TStatId(), nullptr, ENamedThreads::GameThread);

FTaskGraphInterface::Get().WaitUntilTaskCompletes(task);

// TODO Implement signal triggering in addition to WaitUntilTaskCompletes

// FTaskGraphInterface::Get().TriggerEventWhenTaskCompletes

Py_INCREF(Py_None);

return Py_None;

}

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;

}

PyObject *bitmap_tuple = PyTuple_New(bitmap.Num());

for (int i = 0; i < bitmap.Num(); i++) {

PyTuple_SetItem(bitmap_tuple, i, py_ue_new_fcolor(bitmap[i]));

}

return bitmap_tuple;

}

PyObject *py_unreal_engine_get_viewport_size(PyObject *self, PyObject * args) {

if (!GEngine->GameViewport) {

Py_INCREF(Py_None);

return Py_None;

}

FViewport *viewport = GEngine->GameViewport->Viewport;

PyObject *tuple_size = PyTuple_New(2);

FIntPoint point = viewport->GetSizeXY();

PyTuple_SetItem(tuple_size, 0, PyLong_FromLong(point.X));

PyTuple_SetItem(tuple_size, 1, PyLong_FromLong(point.Y));

return tuple_size;

}

#if WITH_EDITOR

PyObject *py_unreal_engine_editor_get_active_viewport_screenshot(PyObject *self, PyObject * args) {

FViewport *viewport = GEditor->GetActiveViewport();

if (!viewport) {

Py_INCREF(Py_None);

return Py_None;

}

PyObject *py_bool = nullptr;

bool as_int_list = false;

if (!PyArg_ParseTuple(args, "|O:editor_get_active_viewport_screenshot", &py_bool)) {

return NULL;

}

if (py_bool && PyObject_IsTrue(py_bool))

as_int_list = true;

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;

}

PyObject *bitmap_tuple = PyTuple_New(bitmap.Num());

for (int i = 0; i < bitmap.Num(); i++) {

PyTuple_SetItem(bitmap_tuple, i, py_ue_new_fcolor(bitmap[i]));

}

return bitmap_tuple;

}

PyObject *py_unreal_engine_editor_get_active_viewport_size(PyObject *self, PyObject * args) {

FViewport *viewport = GEditor->GetActiveViewport();

if (!viewport) {

Py_INCREF(Py_None);

return Py_None;

}

PyObject *tuple_size = PyTuple_New(2);

FIntPoint point = viewport->GetSizeXY();

PyTuple_SetItem(tuple_size, 0, PyLong_FromLong(point.X));

PyTuple_SetItem(tuple_size, 1, PyLong_FromLong(point.Y));

return tuple_size;

}

PyObject *py_unreal_engine_editor_get_pie_viewport_screenshot(PyObject *self, PyObject * args) {

FViewport *viewport = GEditor->GetPIEViewport();

if (!viewport) {

Py_INCREF(Py_None);

return Py_None;

}

PyObject *py_bool = nullptr;

bool as_int_list = false;

if (!PyArg_ParseTuple(args, "|O:editor_get_pie_viewport_screenshot", &py_bool)) {

return NULL;

}

if (py_bool && PyObject_IsTrue(py_bool))

as_int_list = true;

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;

}

PyObject *bitmap_tuple = PyTuple_New(bitmap.Num());

for (int i = 0; i < bitmap.Num(); i++) {

PyTuple_SetItem(bitmap_tuple, i, py_ue_new_fcolor(bitmap[i]));

}

return bitmap_tuple;

}

PyObject *py_unreal_engine_editor_get_pie_viewport_size(PyObject *self, PyObject * args) {

FViewport *viewport = GEditor->GetPIEViewport();

if (!viewport) {

Py_INCREF(Py_None);

return Py_None;

}

PyObject *tuple_size = PyTuple_New(2);

FIntPoint point = viewport->GetSizeXY();

PyTuple_SetItem(tuple_size, 0, PyLong_FromLong(point.X));

PyTuple_SetItem(tuple_size, 1, PyLong_FromLong(point.Y));

return tuple_size;

}

#endif