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"'