From 0fa53f860a3afc2edfc9eae4ff1a1bc080d78054 Mon Sep 17 00:00:00 2001
From: Wojtek Figat <wojtek@figat.pl>
Date: Wed, 11 Jun 2025 23:35:03 +0200
Subject: [PATCH] Add `UseLogInRelease` to engine config to disable logging in
 Release builds

---
 Source/Engine/Core/Config.h                    | 4 ++++
 Source/Tools/Flax.Build/Build/ProjectTarget.cs | 4 ++++
 Source/Tools/Flax.Build/Configuration.cs       | 6 ++++++
 3 files changed, 14 insertions(+)

diff --git a/Source/Engine/Core/Config.h b/Source/Engine/Core/Config.h
index 014ebb0c2..810217050 100644
--- a/Source/Engine/Core/Config.h
+++ b/Source/Engine/Core/Config.h
@@ -30,13 +30,17 @@
 #endif
 
 // Enable logging service (saving log to file, can be disabled using -nolog command line)
+#ifndef LOG_ENABLE
 #define LOG_ENABLE 1
+#endif
 
 // Enable crash reporting service (stack trace and crash dump collecting)
 #define CRASH_LOG_ENABLE (!BUILD_RELEASE)
 
 // Enable/disable assertion
+#ifndef ENABLE_ASSERTION
 #define ENABLE_ASSERTION (!BUILD_RELEASE)
+#endif
 
 // Enable/disable assertion for Engine low layers
 #define ENABLE_ASSERTION_LOW_LAYERS ENABLE_ASSERTION && (BUILD_DEBUG || FLAX_TESTS)
diff --git a/Source/Tools/Flax.Build/Build/ProjectTarget.cs b/Source/Tools/Flax.Build/Build/ProjectTarget.cs
index 77b7cfe94..e408452a0 100644
--- a/Source/Tools/Flax.Build/Build/ProjectTarget.cs
+++ b/Source/Tools/Flax.Build/Build/ProjectTarget.cs
@@ -79,6 +79,10 @@ namespace Flax.Build
                 options.CompileEnv.PreprocessorDefinitions.Add("USE_LARGE_WORLDS");
                 options.ScriptingAPI.Defines.Add("USE_LARGE_WORLDS");
             }
+            if (!EngineConfiguration.UseLogInRelease && !IsEditor)
+            {
+                options.CompileEnv.PreprocessorDefinitions.Add("LOG_ENABLE=0");
+            }
 
             // Add include paths for this and all referenced projects sources
             foreach (var project in Project.GetAllProjects())
diff --git a/Source/Tools/Flax.Build/Configuration.cs b/Source/Tools/Flax.Build/Configuration.cs
index f6ad3b3a5..3bb84760e 100644
--- a/Source/Tools/Flax.Build/Configuration.cs
+++ b/Source/Tools/Flax.Build/Configuration.cs
@@ -276,6 +276,12 @@ namespace Flax.Build
         [CommandLine("useDotNet", "1 to enable .NET support in build, 0 to enable Mono support in build")]
         public static bool UseDotNet = true;
 
+        /// <summary>
+        /// True if enable logging in Release game builds.
+        /// </summary>
+        [CommandLine("useLogInRelease", "Can be used to disable logging in Release game builds")]
+        public static bool UseLogInRelease = true;
+
         public static bool WithCSharp(NativeCpp.BuildOptions options)
         {
             return UseCSharp || options.Target.IsEditor;