Added Config.ForcePlatform

Facepunch.Steamworks/Config.cs

@@ -18,5 +18,17 @@ namespace Facepunch.Steamworks
         /// </summary>
         public static bool UseThisCall { get; set; } = true;
 
+
+        /// <summary>
+        /// You can force the platform to a particular one here.
+        /// This is useful if you're on OSX because some versions of mono don't have a way
+        /// to tell which platform we're running
+        /// </summary>
+        public static void ForcePlatform( SteamNative.OperatingSystem os, SteamNative.Architecture arch )
+        {
+            SteamNative.Platform.Os = os;
+            SteamNative.Platform.Arch = arch;
+        }
+
     }
 }

Facepunch.Steamworks/SteamNative/SteamNative.Platform.cs

@@ -3,9 +3,7 @@ using System.Runtime.InteropServices;
 
 namespace SteamNative
 {
-    internal static partial class Platform
+    public enum OperatingSystem
-    {
-        internal enum OperatingSystem
     {
         Unset,
         Windows,
@@ -13,13 +11,15 @@ namespace SteamNative
         Osx,
     }
 
-        internal enum Architecture
+    public enum Architecture
     {
         Unset,
         x86,
         x64
     }
 
+    internal static partial class Platform
+    {
         private static OperatingSystem _os;
         private static Architecture _arch;
 
@@ -49,6 +49,11 @@ namespace SteamNative
 
                 return _os;
             }
+
+            set
+            {
+                _os = value;
+            }
         }
 
         internal static Architecture Arch
@@ -70,6 +75,11 @@ namespace SteamNative
 
                 return _arch;
             }
+
+            set
+            {
+                _arch = value;
+            }
         }
 
         public static bool IsWindows64 { get { return Arch == Architecture.x64 && Os == OperatingSystem.Windows; } }