Mk2Rev1

various bugfixes and such.
also bookmarks, temp song loaderm and undo overhaul with near complete multiplayer, but menu items disabled. i really wish i could split this into multiple commits, but i don't know how to work unreal.

Plugins/ZipUtility-ue4/ThirdParty/7zpp/Include/SevenZipCompressor.h

@@ -0,0 +1,43 @@
+#pragma once
+
+
+#include <vector>
+#include <atlbase.h>
+#include "SevenZipLibrary.h"
+#include "SevenZipArchive.h"
+#include "FileInfo.h"
+#include "CompressionFormat.h"
+#include "CompressionLevel.h"
+#include "ProgressCallback.h"
+
+
+namespace SevenZip
+{
+	class SevenZipCompressor : public SevenZipArchive
+	{
+	public:
+
+		SevenZipCompressor( const SevenZipLibrary& library, const TString& archivePath );
+		virtual ~SevenZipCompressor();
+
+		// Includes the last directory as the root in the archive, e.g. specifying "C:\Temp\MyFolder"
+		// makes "MyFolder" the single root item in archive with the files within it included.
+		virtual bool CompressDirectory( const TString& directory, ProgressCallback* callback, bool includeSubdirs = true);
+
+		// Excludes the last directory as the root in the archive, its contents are at root instead. E.g.
+		// specifying "C:\Temp\MyFolder" make the files in "MyFolder" the root items in the archive.
+		virtual bool CompressFiles( const TString& directory, const TString& searchFilter, ProgressCallback* callback, bool includeSubdirs = true );
+		virtual bool CompressAllFiles( const TString& directory, ProgressCallback* callback, bool includeSubdirs = true );
+
+		// Compress just this single file as the root item in the archive.
+		virtual bool CompressFile( const TString& filePath, ProgressCallback* callback);
+
+	private:
+		TString m_outputPath;					//the final compression result compression path. Used for tracking in callbacks
+		CComPtr< IStream > OpenArchiveStream();
+		bool FindAndCompressFiles(	const TString& directory, const TString& searchPattern, 
+									const TString& pathPrefix, bool recursion, ProgressCallback* callback);
+		bool CompressFilesToArchive(const TString& pathPrefix, const std::vector< intl::FilePathInfo >& filePaths, ProgressCallback* callback);
+		bool SetCompressionProperties( IUnknown* outArchive );
+	};
+}