RegenProjectFiles.bat

Windows script to regenerate the VS project files without having to use the explorer menu.

@echo off

rem Check if the UE_ENGINE_PATH environment variable is set
if not defined UE_ENGINE_PATH (
    echo Error: UE_ENGINE_PATH environment variable is not set.
    echo Please set the UE_ENGINE_PATH variable to the Unreal Engine installation path.
    echo Example: setx UE_ENGINE_PATH "E:\Epic Games\UnrealEngine\Engine"

    pause
    exit /b 1
)

echo Unreal Engine Path: "%UE_ENGINE_PATH%"

rem Change directory to the project directory
cd "%~dp0"

rem Find the first .uproject file in the directory
for /R %%i in (*.uproject) do (
    set "UPROJECT=%%i"
    goto :build
)

:build
echo Found .uproject file: %UPROJECT%

echo Current directory: %cd%

rem Run UnrealBuildTool to generate project files
"%UE_ENGINE_PATH%\Binaries\DotNET\UnrealBuildTool\UnrealBuildTool.exe" -projectfiles -project="%UPROJECT%" -game -rocket -progress


rem Pause to keep the window open
pause
exit /b 1