* Add RegionFile class.

source/World/RegionFile.hpp

@@ -0,0 +1,27 @@
+#pragma once
+
+#include <cstdio>
+#include <string>
+#include <cassert>
+#include <map>
+#include "BitStream.h"
+
+class RegionFile
+{
+public:
+	RegionFile(const std::string fileName);
+	~RegionFile();
+	void close();
+	bool open();
+	bool readChunk(int x, int z, RakNet::BitStream**);
+	bool write(int index, RakNet::BitStream&);
+	bool writeChunk(int x, int z, RakNet::BitStream&);
+
+public:
+	FILE* m_pFile = nullptr;
+	std::string m_fileName;
+	int* field_20;
+	int* field_24;
+	std::map<int, bool> field_28;
+};
+