first commit

Minecraft.World/NbtSlotFile.h

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+#pragma once
+#include "CompoundTag.h"
+#include "ZonedChunkStorage.h"
+#include "com.mojang.nbt.h"
+
+class NbtSlotFile
+{
+private:
+    static byteArray READ_BUFFER;
+
+    static const int FILE_HEADER_SIZE = 1024;
+    static const int MAGIC_NUMBER = 0x13737001;
+
+    static const int FILE_SLOT_HEADER_SIZE = 12;
+    static const int FILE_SLOT_SIZE = 500;
+
+    HANDLE raf;
+    vector<int> **fileSlotMap;
+	int fileSlotMapLength;
+    vector<int> freeFileSlots;
+    int totalFileSlots;
+    static __int64 largest;
+
+public:
+    NbtSlotFile(File file);
+
+private:
+    void readHeader();
+    void writeHeader();
+    void seekSlotHeader(int fileSlot);
+    void seekSlot(int fileSlot);
+
+public:
+    vector<CompoundTag *> *readAll(int slot);
+
+private:
+    vector<int> *toReplace;
+
+    int getFreeSlot();
+
+public:
+    void replaceSlot(int slot, vector<CompoundTag *> *tags);
+    void close();
+};