Filip Sivák FilipSivak

FilipSivak / ue4_open_editor_utility_by_cpp.cpp

Created May 9, 2021 07:53

Unreal - open editor utility widget by C++

	#include "EditorUtilityWidgetBlueprint.h"
	#include "EditorUtilitySubsystem.h"

	UObject * Blueprint = UEditorAssetLibrary::LoadAsset(FString(TEXT("EditorUtilityWidgetBlueprint'/Game/EditorUtilities/MyWidget.MyWidget'")));
	if(IsValid(Blueprint)) {
	UEditorUtilityWidgetBlueprint* EditorWidget = Cast<UEditorUtilityWidgetBlueprint>(Blueprint);
	if (IsValid(EditorWidget)) {
	UEditorUtilitySubsystem* EditorUtilitySubsystem = GEditor->GetEditorSubsystem<UEditorUtilitySubsystem>();
	EditorUtilitySubsystem->SpawnAndRegisterTab(EditorWidget);
	}

FilipSivak / MyBlueprintLibrary.cpp

Created August 5, 2021 08:37

Unreal engine open editor widget in asset editor with a button

	#include "Editor/EditorEngine.h"
	#include "Subsystems/AssetEditorSubsystem.h"

	void UMyBlueprintLibrary::OpenWidgetInAssetEditor(UWidget * SelfWidget) {
	if(IsValid(SelfWidget))
	{
	UObject * GeneratedBy = SelfWidget->WidgetGeneratedBy.Get();
	if(IsValid(GeneratedBy))
	{
	UAssetEditorSubsystem* AssetEditorSubsystem = GEditor->GetEditorSubsystem<UAssetEditorSubsystem>();

FilipSivak / struct_enum_unreal_engine_python.py

Created January 19, 2022 22:24

Struct and Enum in Unreal Engine python

	# Example by Filip Sivak, written for https://filipsivak.medium.com/
	import unreal

	@unreal.uenum()
	class MyPythonEnum(unreal.EnumBase):
	FIRST = unreal.uvalue(0)
	SECOND = unreal.uvalue(1)
	FOURTH = unreal.uvalue(3)

	@unreal.ustruct()

FilipSivak / pip_install_unreal.py

Last active December 7, 2022 13:23

Using pip install from Unreal Engine

	import unreal
	import subprocess
	import pkg_resources
	from pathlib import Path

	PYTHON_INTERPRETER_PATH = unreal.get_interpreter_executable_path()
	assert Path(PYTHON_INTERPRETER_PATH).exists(), f"Python not found at '{PYTHON_INTERPRETER_PATH}'"

	def pip_install(packages):
	# dont show window

FilipSivak / WindowResizeBlueprintLibrary.cpp

Created September 2, 2022 10:03

Prevent window resizing in Unreal Engine

	bool UWindowResizeBlueprintLibrary::SetWindowNoResize(FText WindowName)
	{
	const TSharedPtr<SDockTab> ActiveTab = FGlobalTabmanager::Get()->GetActiveTab();
	if(ActiveTab.IsValid())
	{
	const TSharedPtr<SWindow> Window = ActiveTab->GetParentWindow();
	if(Window.IsValid() && Window->GetTitle().EqualTo(WindowName))
	{
	Window->SetSizingRule(ESizingRule::FixedSize);
	return true;