use build .bat to build faster

Game/Game.bff

@@ -12,6 +12,17 @@
     }
     #endif
 
+    // Unity
+    //--------------------------------------------------------------------------
+    Unity( '$ProjectName$-Unity' )
+    {
+        .UnityInputPath             = '$ProjectPath$/'
+        .UnityOutputPath            = 'Intermediate/$ProjectPath$/'
+        .UnityOutputPattern         = '$ProjectName$_Unity*.cpp'
+        .UnityMaxFiles              = 5
+        .UnityUseIncludedFiles      = false
+    }
+
     // Library
     //--------------------------------------------------------------------------
     ForEach( .BuildConfig in .BuildConfigs )
@@ -19,21 +30,12 @@
         Using( .BuildConfig )
         .OutputBase + '\$Platform$-$BuildConfigName$'
 
-        // Unity
-        //--------------------------------------------------------------------------
-        Unity( '$ProjectName$-Unity-$Platform$-$BuildConfigName$' )
-        {
-            .UnityInputPath             = '$ProjectPath$/'
-            .UnityOutputPath            = '$OutputBase$/$ProjectPath$/'
-            .UnityOutputPattern         = '$ProjectName$_Unity*.cpp'
-        }
-
         // Library
         //--------------------------------------------------------------------------
         ObjectList( '$ProjectName$-Objs-$Platform$-$BuildConfigName$' )
         {
             // Input (Unity)
-            .CompilerInputUnity         = '$ProjectName$-Unity-$Platform$-$BuildConfigName$'
+            .CompilerInputUnity         = '$ProjectName$-Unity'
 
             // Extra Compiler Options
             .CompilerOptions            + ' "-IJuliet/include"'

Juliet/Juliet.bff

@@ -9,6 +9,17 @@
                        + ' "-IExternal/imgui/backends"'
 
 
+    // Unity
+    //--------------------------------------------------------------------------
+    Unity( '$ProjectName$-Unity' )
+    {
+        .UnityInputPath             = '$ProjectPath$/'
+        .UnityOutputPath            = 'Intermediate/$ProjectPath$/'
+        .UnityOutputPattern         = '$ProjectName$_Unity*.cpp'
+        .UnityMaxFiles              = 10
+        .UnityPBRoot                = ''
+    }
+
     // Library
     //--------------------------------------------------------------------------
     ForEach( .BuildConfig in .BuildConfigs )
@@ -16,22 +27,12 @@
         Using( .BuildConfig )
         .OutputBase + '\$Platform$-$BuildConfigName$'
 
-        // Unity
-        //--------------------------------------------------------------------------
-        Unity( '$ProjectName$-Unity-$Platform$-$BuildConfigName$' )
-        {
-            .UnityInputPath             = '$ProjectPath$/'
-            .UnityOutputPath            = '$OutputBase$/$ProjectPath$/'
-            .UnityOutputPattern         = '$ProjectName$_Unity*.cpp'
-            .UnityMaxFiles              = 10
-        }
-
         // Library
         //--------------------------------------------------------------------------
         ObjectList( '$ProjectName$-Objs-$Platform$-$BuildConfigName$' )
         {
             // Input (Unity)
-            .CompilerInputUnity         = '$ProjectName$-Unity-$Platform$-$BuildConfigName$'
+            .CompilerInputUnity         = '$ProjectName$-Unity'
 
             // Extra Compiler Options
             .CompilerOptions            + .JulietIncludePath

JulietApp/JulietApp.bff

@@ -9,6 +9,17 @@
 
     .ProjectDefPath     = '$_WORKING_DIR_$/$ProjectName$/$ProjectName$.def'
 
+    // Unity
+    //--------------------------------------------------------------------------
+    Unity( '$ProjectName$-Unity' )
+    {
+        .UnityInputPath             = '$ProjectPath$/'
+        .UnityOutputPath            = 'Intermediate/$ProjectPath$/'
+        .UnityOutputPattern         = '$ProjectName$_Unity*.cpp'
+        .UnityMaxFiles              = 5
+        .UnityPBRoot                = ''
+    }
+
     // Library
     //--------------------------------------------------------------------------
     ForEach( .BuildConfig in .BuildConfigs )
@@ -17,22 +28,12 @@
 
         .OutputBase + '\$Platform$-$BuildConfigName$'
 
-        // Unity
-        //--------------------------------------------------------------------------
-        Unity( '$ProjectName$-Unity-$Platform$-$BuildConfigName$' )
-        {
-            .UnityInputPath             = '$ProjectPath$/'
-            .UnityOutputPath            = '$OutputBase$/$ProjectPath$/'
-            .UnityOutputPattern         = '$ProjectName$_Unity*.cpp'
-            .UnityMaxFiles              = 5
-        }
-
         // Library
         //--------------------------------------------------------------------------
         ObjectList( '$ProjectName$-Lib-$Platform$-$BuildConfigName$' )
         {
             // Input (Unity)
-            .CompilerInputUnity         = '$ProjectName$-Unity-$Platform$-$BuildConfigName$'
+            .CompilerInputUnity         = '$ProjectName$-Unity'
 
             // Extra Compiler Options
             .CompilerOptions            + .JulietIncludePath

JulietShaderCompiler/JulietShaderCompiler.bff

@@ -6,25 +6,25 @@
 .ProjectConfigsShader = {} 
 .DXCSourcePath = '$ProjectPath$/DXShaderCompiler'
 
+// 0. Single Unity generator target
+Unity( '$ProjectName$-Unity' )
+{
+    .UnityInputPath             = '$ProjectPath$/'
+    .UnityOutputPath            = 'Intermediate/$ProjectPath$/'
+    .UnityOutputPattern         = '$ProjectName$_Unity*.cpp'
+    .UnityMaxFiles              = 5
+    .UnityPBRoot                = ''
+}
+
 ForEach( .BuildConfig in .ShaderCompilerConfigs )
 {
     Using( .BuildConfig )
     .OutputBase + '\$Platform$-$BuildConfigName$'
 
-    // Unity
-    //--------------------------------------------------------------------------
-    Unity( '$ProjectName$-Unity-$Platform$-$BuildConfigName$' )
-    {
-        .UnityInputPath             = '$ProjectPath$/'
-        .UnityOutputPath            = '$OutputBase$/$ProjectPath$/'
-        .UnityOutputPattern         = '$ProjectName$_Unity*.cpp'
-        .UnityMaxFiles              = 5
-    }
-
     // 2. Define the Build Targets for this specific configuration
     ObjectList( '$ProjectName$-Obs-$Platform$-$BuildConfigName$' )
     {
-        .CompilerInputUnity = '$ProjectName$-Unity-$Platform$-$BuildConfigName$'
+        .CompilerInputUnity = '$ProjectName$-Unity'
         .CompilerOutputPath = '$OutputBase$/$ProjectPath$/'
         .CompilerOptions    + ' "-IJuliet/include"'
                             + ' "-IJulietShaderCompiler"'

Romeo/Romeo.bff

@@ -10,6 +10,17 @@
 
     .ProjectDefPath     = '$_WORKING_DIR_$/$ProjectName$/$ProjectName$.def'
 
+    // Unity
+    //--------------------------------------------------------------------------
+    Unity( '$ProjectName$-Unity' )
+    {
+        .UnityInputPath             = '$ProjectPath$/src/'
+        .UnityOutputPath            = 'Intermediate/$ProjectPath$/'
+        .UnityOutputPattern         = '$ProjectName$_Unity*.cpp'
+        .UnityMaxFiles              = 5
+        .UnityPBRoot                = ''
+    }
+
     // Library
     //--------------------------------------------------------------------------
     ForEach( .BuildConfig in .BuildConfigs )
@@ -18,22 +29,12 @@
 
         .OutputBase + '\$Platform$-$BuildConfigName$'
 
-        // Unity
-        //--------------------------------------------------------------------------
-        Unity( '$ProjectName$-Unity-$Platform$-$BuildConfigName$' )
-        {
-            .UnityInputPath             = '$ProjectPath$/src/'
-            .UnityOutputPath            = '$OutputBase$/$ProjectPath$/'
-            .UnityOutputPattern         = '$ProjectName$_Unity*.cpp'
-            .UnityMaxFiles              = 5
-        }
-
         // Library
         //--------------------------------------------------------------------------
         ObjectList( '$ProjectName$-Lib-$Platform$-$BuildConfigName$' )
         {
             // Input (Unity)
-            .CompilerInputUnity         = '$ProjectName$-Unity-$Platform$-$BuildConfigName$'
+            .CompilerInputUnity         = '$ProjectName$-Unity'
 
             // Extra Compiler Options
             .CompilerOptions            + .JulietIncludePath

misc/build.bat

@@ -2,84 +2,212 @@
 setlocal enabledelayedexpansion
 
 :: ------------------------------------------------------------------------------
-:: FastBuild Unity Build Script (Located in misc/)
+:: Unity Build Script (misc/build.bat)
+:: Step 1: Use FASTBuild to generate unity .cpp files directly in Intermediate/
+:: Step 2: Invoke compiler (clang-cl / cl) directly on target unity files
 :: ------------------------------------------------------------------------------
 
 set SCRIPT_DIR=%~dp0
 cd /d "%SCRIPT_DIR%.."
 
 set FBUILD=misc\fbuild.exe
-set CONFIG=Debug
-set TARGETS=
 
-if not exist "%FBUILD%" (
+set TARGET_JULIET=0
-    echo [ERROR] Could not find %FBUILD%. Please check workspace setup.
+set TARGET_ROMEO=0
-    exit /b 1
+set TARGET_SHADER=0
-)
+set TARGET_COUNT=0
+
+set CONFIG_DEBUG=0
+set CONFIG_RELEASE=0
+set CONFIG_PROFILE=0
+set CONFIG_COUNT=0
 
 :parse_args
-if "%~1"=="" goto run_build
+if "%~1"=="" goto check_defaults
 
 if /i "%~1"=="debug" (
-    set CONFIG=Debug
+    set CONFIG_DEBUG=1
+    set /a CONFIG_COUNT+=1
     shift
     goto parse_args
 )
 
 if /i "%~1"=="release" (
-    set CONFIG=Release
+    set CONFIG_RELEASE=1
+    set /a CONFIG_COUNT+=1
     shift
     goto parse_args
 )
 
 if /i "%~1"=="profile" (
-    set CONFIG=Profile
+    set CONFIG_PROFILE=1
+    set /a CONFIG_COUNT+=1
     shift
     goto parse_args
 )
 
-if /i "%~1"=="clean" (
+if /i "%~1"=="juliet" (
-    echo Cleaning build artifacts...
+    set TARGET_JULIET=1
-    "%FBUILD%" -clean
+    set /a TARGET_COUNT+=1
-    exit /b %ERRORLEVEL%
-)
-
-if /i "%~1"=="julietapp" (
-    set TARGETS=!TARGETS! JulietApp-x64-%CONFIG%
     shift
     goto parse_args
 )
 
 if /i "%~1"=="romeo" (
-    set TARGETS=!TARGETS! Romeo-x64-%CONFIG%
+    set TARGET_ROMEO=1
+    set /a TARGET_COUNT+=1
     shift
     goto parse_args
 )
 
-if /i "%~1"=="shader" (
+if /i "%~1"=="shadercompiler" (
-    set TARGETS=!TARGETS! JulietShaderCompiler-x64Clang-%CONFIG%
+    set TARGET_SHADER=1
+    set /a TARGET_COUNT+=1
     shift
     goto parse_args
 )
 
-if /i "%~1"=="unity-only" (
-    echo Generating Unity files only...
-    "%FBUILD%" JulietApp-Unity-x64-%CONFIG% Romeo-Unity-x64-%CONFIG% JulietShaderCompiler-Unity-x64Clang-%CONFIG%
-    exit /b %ERRORLEVEL%
-)
-
-:: If target name passed explicitly
-set TARGETS=!TARGETS! %~1
 shift
 goto parse_args
 
-:run_build
+:check_defaults
-if "!TARGETS!"=="" (
+:: If no arguments passed ("build"), build ALL targets across ALL configurations (Debug, Profile, Release)
-    echo Building default targets (JulietApp, Romeo, JulietShaderCompiler) [%CONFIG%]...
+if %CONFIG_COUNT% equ 0 if %TARGET_COUNT% equ 0 (
-    set TARGETS=JulietApp-x64-%CONFIG% Romeo-x64-%CONFIG% JulietShaderCompiler-x64Clang-%CONFIG%
+    set CONFIG_DEBUG=1
-) else (
+    set CONFIG_RELEASE=1
-    echo Building targets: !TARGETS! [%CONFIG%]...
+    set CONFIG_PROFILE=1
+    set TARGET_JULIET=1
+    set TARGET_ROMEO=1
+    set TARGET_SHADER=1
+    goto start_build
 )
 
-"%FBUILD%" -summary -showcmds !TARGETS!
+:: If targets specified but no configs specified, default to Debug
-exit /b %ERRORLEVEL%
+if %CONFIG_COUNT% equ 0 (
+    set CONFIG_DEBUG=1
+)
+
+:: If configs specified but no targets specified, build all targets for those configs
+if %TARGET_COUNT% equ 0 (
+    set TARGET_JULIET=1
+    set TARGET_ROMEO=1
+    set TARGET_SHADER=1
+)
+
+:start_build
+if not exist "%FBUILD%" (
+    echo.
+    echo [BUILD FAILED] Could not find %FBUILD%.
+    exit /b 1
+)
+
+:: Find Clang / MSVC compiler
+set COMPILER=clang-cl.exe
+where %COMPILER% >nul 2>nul
+if %ERRORLEVEL% neq 0 (
+    set COMPILER=cl.exe
+)
+
+if %CONFIG_DEBUG% equ 1 call :build_config Debug
+if %ERRORLEVEL% neq 0 exit /b %ERRORLEVEL%
+
+if %CONFIG_PROFILE% equ 1 call :build_config Profile
+if %ERRORLEVEL% neq 0 exit /b %ERRORLEVEL%
+
+if %CONFIG_RELEASE% equ 1 call :build_config Release
+if %ERRORLEVEL% neq 0 exit /b %ERRORLEVEL%
+
+echo.
+echo ==============================================================================
+echo [ALL BUILDS SUCCEEDED] All requested executables built successfully.
+echo ==============================================================================
+exit /b 0
+
+:: ------------------------------------------------------------------------------
+:: Subroutine to build a specific configuration (Debug / Profile / Release)
+:: ------------------------------------------------------------------------------
+:build_config
+set "CFG=%~1"
+
+echo.
+echo ==============================================================================
+echo Generating Unity Files into Intermediate/ via FASTBuild [%CFG%]...
+echo ==============================================================================
+
+set FASTBUILD_TARGETS=Juliet-Unity
+if %TARGET_JULIET% equ 1 set FASTBUILD_TARGETS=!FASTBUILD_TARGETS! JulietApp-Unity Game-Unity
+if %TARGET_ROMEO% equ 1 set FASTBUILD_TARGETS=!FASTBUILD_TARGETS! Romeo-Unity
+if %TARGET_SHADER% equ 1 set FASTBUILD_TARGETS=!FASTBUILD_TARGETS! JulietShaderCompiler-Unity
+
+"%FBUILD%" !FASTBUILD_TARGETS!
+if %ERRORLEVEL% neq 0 (
+    echo.
+    echo ==============================================================================
+    echo [BUILD FAILED] FASTBuild failed to generate unity files for %CFG%.
+    echo ==============================================================================
+    exit /b %ERRORLEVEL%
+)
+
+:: Strip '#pragma message' from generated Unity files
+powershell -Command "Get-ChildItem -Path Intermediate -Recurse -Filter '*_Unity*.cpp' | ForEach-Object { (Get-Content $_.FullName) | Where-Object { $_ -notmatch '#pragma message' } | Set-Content $_.FullName }"
+
+echo.
+echo ==============================================================================
+echo Compiling Unity Files directly via %COMPILER% [%CFG%]...
+echo ==============================================================================
+
+if not exist "bin\x64-!CFG!" mkdir "bin\x64-!CFG!"
+
+set COMMON_FLAGS=/nologo /std:c++20 /W4 /EHa- /utf-8 /DUNICODE /D_UNICODE /DWIN32_LEAN_AND_MEAN /D_CRT_SECURE_NO_WARNINGS /I"Juliet/include" /I"Juliet/src" /I"Game" /I"External/imgui" /I"External/imgui/backends" /DJULIET_WIN32 /wd5267 /wd4061 /wd4505 /wd4514 /wd4577 /wd4625 /wd4710 /wd4711 /wd4746 /wd4820 /wd5045 /wd5220 /wd5245 /wd4626 /wd5026 /wd5027 /wd4530
+
+if /i "!CFG!"=="Debug" (
+    set COMPILER_FLAGS=!COMMON_FLAGS! /MDd /Od /Zi /DDEBUG /DPROFILING_ENABLED /DJULIET_ENABLE_IMGUI /DJULIET_DEBUG
+) else if /i "!CFG!"=="Profile" (
+    set COMPILER_FLAGS=!COMMON_FLAGS! /MD /O2 /Zi /DRELEASE /DPROFILING_ENABLED
+) else (
+    set COMPILER_FLAGS=!COMMON_FLAGS! /MD /O2 /DRELEASE
+)
+
+set COMMON_LIBS=kernel32.lib user32.lib gdi32.lib dxguid.lib Ws2_32.lib dxgi.lib imm32.lib dwmapi.lib d3dcompiler.lib shell32.lib winhttp.lib
+set IMGUI_SRCS=External\imgui\imgui.cpp External\imgui\imgui_demo.cpp External\imgui\imgui_draw.cpp External\imgui\imgui_tables.cpp External\imgui\imgui_widgets.cpp External\imgui\backends\imgui_impl_win32.cpp External\imgui\backends\imgui_impl_dx12.cpp
+
+:: Compile JulietApp Executable
+if %TARGET_JULIET% equ 1 (
+    echo.
+    echo --- Building JulietApp.exe [%CFG%] ---
+    %COMPILER% %COMPILER_FLAGS% /Fe"bin\x64-!CFG!\JulietApp.exe" ^
+        Intermediate\Juliet\*.cpp ^
+        Intermediate\JulietApp\*.cpp ^
+        Intermediate\Game\*.cpp ^
+        !IMGUI_SRCS! ^
+        /link %COMMON_LIBS% /SUBSYSTEM:CONSOLE
+    if %ERRORLEVEL% neq 0 exit /b %ERRORLEVEL%
+)
+
+:: Compile Romeo Executable
+if %TARGET_ROMEO% equ 1 (
+    echo.
+    echo --- Building Romeo.exe [%CFG%] ---
+    %COMPILER% %COMPILER_FLAGS% /Fe"bin\x64-!CFG!\Romeo.exe" ^
+        Intermediate\Juliet\*.cpp ^
+        Intermediate\Romeo\*.cpp ^
+        !IMGUI_SRCS! ^
+        /link %COMMON_LIBS% /SUBSYSTEM:CONSOLE
+    if %ERRORLEVEL% neq 0 exit /b %ERRORLEVEL%
+)
+
+:: Compile JulietShaderCompiler Executable
+if %TARGET_SHADER% equ 1 (
+    echo.
+    echo --- Building JulietShaderCompiler.exe [%CFG%] ---
+    if exist "Intermediate\JulietShaderCompiler\*.cpp" (
+        %COMPILER% %COMPILER_FLAGS% /I"JulietShaderCompiler" /Fe"bin\x64-!CFG!\JulietShaderCompiler.exe" ^
+            Intermediate\Juliet\*.cpp ^
+            Intermediate\JulietShaderCompiler\*.cpp ^
+            JulietShaderCompiler\DXShaderCompiler\dxcompiler.lib ^
+            /link %COMMON_LIBS% /SUBSYSTEM:CONSOLE
+        if %ERRORLEVEL% neq 0 exit /b %ERRORLEVEL%
+    )
+)
+
+exit /b 0