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/SevenZipArchive.h

@@ -0,0 +1,48 @@
+#pragma once
+
+#include "SevenZipLibrary.h"
+#include <atlbase.h>
+#include "FileInfo.h"
+#include "CompressionFormat.h"
+#include "CompressionLevel.h"
+
+namespace SevenZip
+{
+	class SevenZipArchive
+	{
+	public:
+		SevenZipArchive(const SevenZipLibrary& library, const TString& archivePath);
+		virtual ~SevenZipArchive();
+
+		virtual bool ReadInArchiveMetadata();
+
+		virtual void SetCompressionFormat(const CompressionFormatEnum& format);
+		virtual CompressionFormatEnum GetCompressionFormat();
+
+		virtual void SetCompressionLevel(const CompressionLevelEnum& level);
+		virtual CompressionLevelEnum GetCompressionLevel();
+
+		virtual bool DetectCompressionFormat();
+
+		virtual size_t GetNumberOfItems();
+		virtual std::vector<TString> GetItemsNames();
+		virtual std::vector<size_t>  GetOrigSizes();
+
+	protected:
+		bool m_ReadMetadata = false;
+		bool m_OverrideCompressionFormat = false;
+		const SevenZipLibrary& m_library;
+		TString m_archivePath;
+		CompressionFormatEnum m_compressionFormat;
+		CompressionLevelEnum m_compressionLevel;
+		size_t m_numberofitems = 0;
+		std::vector<TString> m_itemnames;
+		std::vector<size_t> m_origsizes;
+
+	private:
+		bool pri_GetNumberOfItems();
+		bool pri_GetItemsNames();
+		bool pri_DetectCompressionFormat(CompressionFormatEnum & format);
+		bool pri_DetectCompressionFormat();
+	};
+}