Move Platform.cs to OpenRA.FileFormats, fix #765.

OpenRA.FileFormats/Filesystem/FileSystem.cs

@@ -19,7 +19,6 @@ namespace OpenRA.FileFormats
 	public static class FileSystem
 	{
 		static List<IFolder> mountedFolders = new List<IFolder>();
-		public static string SupportDir = "."; // Default to "current dir" if we aren't told otherwise
 
 		static Cache<uint, List<IFolder>> allFiles = new Cache<uint, List<IFolder>>( _ => new List<IFolder>() );
 
@@ -77,7 +76,7 @@ namespace OpenRA.FileFormats
 			
 			// paths starting with ^ are relative to the support dir
 			if (name.StartsWith("^"))
-				name = FileSystem.SupportDir+name.Substring(1);
+				name = Platform.SupportDir+name.Substring(1);
 			
 			var a = (Action)(() => FileSystem.MountInner(OpenPackage(name)));
 

OpenRA.FileFormats/OpenRA.FileFormats.csproj

@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003" ToolsVersion="3.5">
   <PropertyGroup>
     <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
@@ -75,6 +75,7 @@
     <Compile Include="Mod.cs" />
     <Compile Include="PackageEntry.cs" />
     <Compile Include="Palette.cs" />
+    <Compile Include="Platform.cs" />
     <Compile Include="PlayerColorRemap.cs" />
     <Compile Include="Primitives\ActionQueue.cs" />
     <Compile Include="Primitives\DisposableAction.cs" />

OpenRA.FileFormats/Platform.cs

@@ -0,0 +1,84 @@
+#region Copyright & License Information
+/*
+ * Copyright 2007-2011 The OpenRA Developers (see AUTHORS)
+ * This file is part of OpenRA, which is free software. It is made 
+ * available to you under the terms of the GNU General Public License
+ * as published by the Free Software Foundation. For more information,
+ * see COPYING.
+ */
+#endregion
+
+using System;
+using System.Diagnostics;
+using System.IO;
+using OpenRA.FileFormats;
+
+namespace OpenRA
+{
+	public enum PlatformType
+	{
+		Unknown,
+		Windows,
+		OSX,
+		Linux
+	}
+
+	public static class Platform
+	{
+		public static PlatformType CurrentPlatform
+		{
+			get
+			{
+				return currentPlatform.Value;
+			}
+		}
+
+		static Lazy<PlatformType> currentPlatform = new Lazy<PlatformType>(GetCurrentPlatform);
+		
+		static PlatformType GetCurrentPlatform()
+		{
+				if (Environment.OSVersion.Platform == PlatformID.Win32NT) return PlatformType.Windows;
+				
+				try
+				{
+					var psi = new ProcessStartInfo("uname", "-s");
+					psi.UseShellExecute = false;
+					psi.RedirectStandardOutput = true;
+					var p = Process.Start(psi);
+					var kernelName = p.StandardOutput.ReadToEnd();
+					if (kernelName.Contains("Linux") || kernelName.Contains("BSD"))
+						return PlatformType.Linux;
+					if (kernelName.Contains("Darwin"))
+						return PlatformType.OSX;
+				}
+				catch {	}
+				
+				return PlatformType.Unknown;
+		}
+
+		public static string SupportDir
+		{
+			get 
+			{
+				string dir = Environment.GetFolderPath(Environment.SpecialFolder.Personal);
+				switch (CurrentPlatform)
+				{
+					case PlatformType.OSX:
+						dir += "/Library/Application Support/OpenRA";
+						break;
+					case PlatformType.Linux:
+						dir += "/.openra";
+						break;
+					default:
+						dir += Path.DirectorySeparatorChar + "OpenRA";
+						break;
+				}
+
+				if (!Directory.Exists(dir))
+					Directory.CreateDirectory(dir);
+
+				return dir + Path.DirectorySeparatorChar;
+			}
+		}
+	}
+}