Final port to fastbuild.

Support update of game.dll separately
Made some alias and stuff
still remains the shader compiler to add to the solution.
Solution is also generated by fbuild (nice)

misc/build_game.bat

@@ -1,16 +1,46 @@
 @echo off
+setlocal
 
-del /s ..\Game*.pdb > NUL 2> NUL
+:: --- 1. Handle Compiler Choice ---
+:: Default to Clang, but allow override via "build_game.bat msvc"
+set "COMPILER_TYPE=%~1"
+if "%COMPILER_TYPE%"=="" set "COMPILER_TYPE=clang"
 
-pushd %~dp0\..\bin\x64\Debug
-echo WAITING FOR PDB > lock.tmp
+if /I "%COMPILER_TYPE%"=="clang" (
+    set "PLATFORM=x64Clang"
+) else (
+    set "PLATFORM=x64"
+)
+
+:: --- 2. Generate Random ID & Setup Paths ---
+set "CONFIG=Debug"
+set "GAME_BUILD_ID=%RANDOM%"
+set "TARGET=Game-%PLATFORM%-%CONFIG%"
+set "OUT_DIR=%~dp0..\bin\%PLATFORM%-%CONFIG%"
+
+echo --- Building %TARGET% (ID: %GAME_BUILD_ID%) ---
+
+:: --- 3. Manage Lock File ---
+if not exist "%OUT_DIR%" mkdir "%OUT_DIR%"
+pushd "%OUT_DIR%"
+:: Clean up old DLLs/PDBs in this folder to prevent clutter
+del Game-*.dll Game-*.pdb > NUL 2> NUL
+echo %GAME_BUILD_ID% > lock.tmp
 popd
 
-pushd %~dp0
-msbuild -p:Random=%random% /p:SolutionDir=..\ ..\Game\Game.vcxproj
-popd
+:: --- 4. Run FASTBuild ---
+:: We pass the ID via an Environment Variable so the .bff can read it
+set "GAME_BUILD_ID=%GAME_BUILD_ID%"
+fbuild %TARGET% -cache
 
-pushd %~dp0\..\bin\x64\Debug
-del lock.tmp
-popd
+if %ERRORLEVEL% NEQ 0 (
+    echo.
+    echo BUILD FAILED!
+    goto :cleanup
+)
 
+echo.
+echo SUCCESS: Generated %OUT_DIR%\Game-%GAME_BUILD_ID%.dll
+
+:cleanup
+if exist "%OUT_DIR%\lock.tmp" del "%OUT_DIR%\lock.tmp"