60 lines
1.1 KiB
C
60 lines
1.1 KiB
C
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#pragma once
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//TO REMEMBER WHEN USING:
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//EITHER a chunk contains ONLY data
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//OR it contains ONLY other chunks
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//otherwise the scheme breaks...
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#include "File.h"
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namespace W32Util
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{
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inline unsigned int flipID(unsigned int id)
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{
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return ((id>>24)&0xFF) | ((id>>8)&0xFF00) | ((id<<8)&0xFF0000) | ((id<<24)&0xFF000000);
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}
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class ChunkFile
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{
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File file;
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struct ChunkInfo
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{
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int startLocation;
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int parentStartLocation;
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int parentEOF;
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unsigned int ID;
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int length;
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};
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ChunkInfo stack[8];
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int numLevels;
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char *data;
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int pos,eof;
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bool fastMode;
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bool read;
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bool didFail;
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void SeekTo(int _pos);
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int GetPos() {return pos;}
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public:
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ChunkFile(const TCHAR *filename, bool _read);
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~ChunkFile();
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bool Descend(unsigned int id);
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void Ascend();
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int ReadInt();
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void ReadInt(int &i) {i = ReadInt();}
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void ReadData(void *data, int count);
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// String ReadString();
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void WriteInt(int i);
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//void WriteString(String str);
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void WriteData(void *data, int count);
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int GetCurrentChunkSize();
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bool Failed() {return didFail;}
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};
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}
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