@echo off
setlocal

:: Set paths
set "UE_PATH=C:\Program Files\UE_5.5"
set "PROJECT_PATH=%~dp0"
set "UAT_PATH=%UE_PATH%\Engine\Build\BatchFiles\RunUAT.bat"


:: Check if MuJoCo DLL exists in bin directory
if not exist "%MUJOCO_BIN_PATH%\mujoco.dll" (
    echo Error: MuJoCo DLL not found at %MUJOCO_BIN_PATH%\mujoco.dll
    echo Please ensure the MuJoCo DLL is properly built and placed in the correct location.
    pause
    exit /b 1
)

:: Copy MuJoCo DLL to the plugin binaries directory if it doesn't exist there
if not exist "%MUJOCO_DLL_PATH%\mujoco.dll" (
    echo Copying MuJoCo DLL to plugin binaries directory...
    copy "%MUJOCO_BIN_PATH%\mujoco.dll" "%MUJOCO_DLL_PATH%\"
    if errorlevel 1 (
        echo Failed to copy MuJoCo DLL
        pause
        exit /b 1
    )
)

:: Add UE and MuJoCo paths to PATH environment variable
set "PATH=%UE_PATH%\Engine\Binaries\Win64;%MUJOCO_DLL_PATH%;%MUJOCO_BIN_PATH%;%PATH%"

:: Set the DLL search path for the current process
set "PATH=%PATH%;%MUJOCO_DLL_PATH%;%MUJOCO_BIN_PATH%"

:: Run the Unreal Editor
:: echo Starting Unreal Editor...
:: start "" "%UE_PATH%\Engine\Binaries\Win64\UnrealEditor.exe" "%PROJECT_PATH%LuckyWorldV2.uproject"

endlocal 

:: Build and package command
"%UAT_PATH%" ^
    -ScriptsForProject="%PROJECT_PATH%LuckyWorldV2.uproject" ^
    BuildCookRun ^
    -nop4 ^
    -utf8output ^
    -nocompileeditor ^
    -skipbuildeditor ^
    -cook ^
    -project="%PROJECT_PATH%LuckyWorldV2.uproject" ^
    -target=LuckyWorldV2 ^
    -unrealexe="%UE_PATH%\Engine\Binaries\Win64\UnrealEditor-Cmd.exe" ^
    -platform=Win64 ^
    -installed ^
    -stage ^
    -archive ^
    -package ^
    -build ^
    -pak ^
    -iostore ^
    -compressed ^
    -prereqs ^
    -archivedirectory="%PROJECT_PATH%Build" ^
    -CrashReporter ^
    -clientconfig=Shipping

if %ERRORLEVEL% NEQ 0 (
    echo Build failed!
    exit /b 1
) else (
    echo Build successful!
    exit /b 0
)