Make our IFolder zip support actually work.

Makefile

@@ -16,7 +16,7 @@ COMMON_LIBS	= System.dll System.Core.dll System.Drawing.dll System.Xml.dll
 fileformats_SRCS	=	$(shell find OpenRA.FileFormats/ -iname '*.cs')
 fileformats_TARGET	=	OpenRA.FileFormats.dll
 fileformats_KIND	=	library
-fileformats_LIBS	=	$(COMMON_LIBS) thirdparty/Tao/Tao.Sdl.dll System.Windows.Forms.dll thirdparty/WindowsBase.dll
+fileformats_LIBS	=	$(COMMON_LIBS) thirdparty/Tao/Tao.Sdl.dll System.Windows.Forms.dll thirdparty/ICSharpCode.SharpZipLib.dll
 
 rcg_SRCS			= $(shell find OpenRA.Renderer.Cg/ -iname '*.cs')
 rcg_TARGET			= OpenRA.Renderer.Cg.dll

OpenRA.FileFormats/Filesystem/FileSystem.cs

@@ -41,7 +41,7 @@ namespace OpenRA.FileFormats
 			if (filename.EndsWith(".mix", StringComparison.InvariantCultureIgnoreCase))
 				return new MixFile(filename, order++);
 			else if (filename.EndsWith(".zip", StringComparison.InvariantCultureIgnoreCase))
-				return new CompressedPackage(filename, order++);
+				return new ZipFile(filename, order++);
 			else if (filename.EndsWith(".Z", StringComparison.InvariantCultureIgnoreCase))
 				return new InstallShieldPackage(filename, order++);
 			else

OpenRA.FileFormats/Filesystem/ZipFile.cs

@@ -11,40 +11,39 @@
 using System;
 using System.Collections.Generic;
 using System.IO;
-using System.IO.Packaging;
+using ICSharpCode.SharpZipLib.Zip;
+using SZipFile = ICSharpCode.SharpZipLib.Zip.ZipFile;
 using System.Linq;
 
 namespace OpenRA.FileFormats
 {
-	public class CompressedPackage : IFolder
+	public class ZipFile : IFolder
 	{
-		readonly uint[] hashes;
-		readonly Stream s;
-		readonly ZipPackage pkg;
+		readonly SZipFile pkg;
 		int priority;
 
-		public CompressedPackage(string filename, int priority)
+		public ZipFile(string filename, int priority)
 		{
 			this.priority = priority;
-			s = FileSystem.Open(filename);
-			pkg = (ZipPackage)ZipPackage.Open(s, FileMode.Open);
-			hashes = pkg.GetParts()
-				.Select(p => PackageEntry.HashFilename(p.Uri.LocalPath)).ToArray();
+			pkg = new SZipFile(File.OpenRead(filename));
 		}
 
 		public Stream GetContent(string filename)
 		{
-			return pkg.GetPart(new Uri(filename)).GetStream(FileMode.Open);
+			return pkg.GetInputStream(pkg.GetEntry(filename));
 		}
 
-		public IEnumerable<uint> AllFileHashes() { return hashes; }
+		public IEnumerable<uint> AllFileHashes()
+		{
+			foreach(ZipEntry entry in pkg)
+				yield return PackageEntry.HashFilename(entry.Name);
+		}
 		
 		public bool Exists(string filename)
 		{
-			return hashes.Contains(PackageEntry.HashFilename(filename));
+			return pkg.GetEntry(filename) != null;
 		}
 
-
 		public int Priority
 		{
 			get { return 500 + priority; }

OpenRA.FileFormats/OpenRA.FileFormats.csproj

@@ -54,6 +54,10 @@
     <Reference Include="WindowsBase">
       <RequiredTargetFramework>3.0</RequiredTargetFramework>
     </Reference>
+    <Reference Include="ICSharpCode.SharpZipLib, Version=0.86.0.518, Culture=neutral, PublicKeyToken=1b03e6acf1164f73">
+      <SpecificVersion>False</SpecificVersion>
+      <HintPath>..\thirdparty\ICSharpCode.SharpZipLib.dll</HintPath>
+    </Reference>
   </ItemGroup>
   <ItemGroup>
     <Compile Include="Evaluator.cs" />
@@ -102,9 +106,9 @@
     <Compile Include="Filesystem\FileSystem.cs" />
     <Compile Include="Filesystem\Folder.cs" />
     <Compile Include="Filesystem\PackageWriter.cs" />
-    <Compile Include="Filesystem\CompressedPackage.cs" />
     <Compile Include="Filesystem\InstallShieldPackage.cs" />
     <Compile Include="FileFormats\Blast.cs" />
+    <Compile Include="Filesystem\ZipFile.cs" />
   </ItemGroup>
   <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 

packaging/osx/buildpackage.sh

@@ -17,9 +17,8 @@ fi
 cp -rv template.app OpenRA.app
 cp -rv $2/* "OpenRA.app/Contents/Resources/" || exit 3
 
-# Remove the tao and WindowsBase dlls (they are shipped in the deps package)
+# Remove the tao dlls (they are shipped in the deps package)
 rm OpenRA.app/Contents/Resources/Tao.*
-rm OpenRA.app/Contents/Resources/WindowsBase.dll
 
 # Icon isn't used, and editor doesn't work under mono 2.8
 rm OpenRA.app/Contents/Resources/OpenRA.ico

packaging/package-all.sh

@@ -36,9 +36,6 @@ done
 # Copy Tao
 cp thirdparty/Tao/* packaging/built
 
-# Copy WindowsBase.dll for linux packages
-cp thirdparty/WindowsBase.dll packaging/built
-
 # SharpZipLib for zip file support
 cp thirdparty/ICSharpCode.SharpZipLib.dll packaging/built