Add command line controls for reverse z

Source/Tools/Flax.Build/Build/ProjectTarget.cs

@@ -80,9 +80,12 @@ namespace Flax.Build
                 options.ScriptingAPI.Defines.Add("USE_LARGE_WORLDS");
             }
 
-            // Add reverse-z definitions
-            options.CompileEnv.PreprocessorDefinitions.Add("FLAX_REVERSE_Z");
-            options.ScriptingAPI.Defines.Add("FLAX_REVERSE_Z");
+            if (!EngineConfiguration.WithTraditionalZ(options))
+            {
+                // Add reverse-z definitions
+                options.CompileEnv.PreprocessorDefinitions.Add("FLAX_REVERSE_Z");
+                options.ScriptingAPI.Defines.Add("FLAX_REVERSE_Z");
+            }
 
             // Add include paths for this and all referenced projects sources
             foreach (var project in Project.GetAllProjects())

Source/Tools/Flax.Build/Configuration.cs

@@ -264,6 +264,12 @@ namespace Flax.Build
         [CommandLine("useLargeWorlds", "1 to enable large worlds with 64-bit coordinates precision support in build (USE_LARGE_WORLDS=1)")]
         public static bool UseLargeWorlds = false;
 
+        /// <summary>
+        /// 1 to use traditional z buffer, or reversed z will be adopted by default.
+        /// </summary>
+        [CommandLine("useLargeWorlds", "1 to use traditional z buffer, or reversed z will be adopted by default.")]
+        public static bool NoReverseZ = false;
+
         /// <summary>
         /// True if managed C# scripting should be enabled, otherwise false. Engine without C# is partially supported and can be used when porting to a new platform before implementing C# runtime on it.
         /// </summary>
@@ -287,6 +293,12 @@ namespace Flax.Build
             return UseLargeWorlds;
         }
 
+        public static bool WithTraditionalZ(NativeCpp.BuildOptions options)
+        {
+            // Whether to use traditional z-buffer instead of reversed z
+            return NoReverseZ;
+        }
+
         public static bool WithDotNet(NativeCpp.BuildOptions options)
         {
             return UseDotNet;