Add Mac platform

Source/Engine/Platform/Mac/MacPlatformSettings.h

@@ -0,0 +1,31 @@
+// Copyright (c) 2012-2021 Wojciech Figat. All rights reserved.
+
+#pragma once
+
+#if PLATFORM_MAC || USE_EDITOR
+
+#include "Engine/Core/Config/PlatformSettingsBase.h"
+
+/// <summary>
+/// Mac platform settings.
+/// </summary>
+API_CLASS(sealed, Namespace="FlaxEditor.Content.Settings") class FLAXENGINE_API MacPlatformSettings : public SettingsBase
+{
+    DECLARE_SCRIPTING_TYPE_MINIMAL(MacPlatformSettings);
+
+    /// <summary>
+    /// Gets the instance of the settings asset (default value if missing). Object returned by this method is always loaded with valid data to use.
+    /// </summary>
+    static MacPlatformSettings* Get();
+
+    // [SettingsBase]
+    void Deserialize(DeserializeStream& stream, ISerializeModifier* modifier) final override
+    {
+    }
+};
+
+#if PLATFORM_MAC
+typedef MacPlatformSettings PlatformSettings;
+#endif
+
+#endif