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64 lines
1.2 KiB
C
64 lines
1.2 KiB
C
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#ifndef __FILE_ZIP_H
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#define __FILE_ZIP_H
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#include "resourcefile.h"
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// This holds a compresed Zip entry with all needed info to decompress it.
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struct FCompressedBuffer
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{
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unsigned mSize;
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unsigned mCompressedSize;
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int mMethod;
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int mZipFlags;
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char *mBuffer;
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bool Decompress(char *destbuffer);
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};
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enum
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{
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LUMPFZIP_NEEDFILESTART = 128
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};
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//==========================================================================
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//
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// Zip Lump
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//
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//==========================================================================
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struct FZipLump : public FResourceLump
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{
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WORD GPFlags;
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BYTE Method;
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int CompressedSize;
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int Position;
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virtual FileReader *GetReader();
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virtual int FillCache();
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private:
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void SetLumpAddress();
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virtual int GetFileOffset();
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};
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//==========================================================================
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//
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// Zip file
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//
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//==========================================================================
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class FZipFile : public FResourceFile
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{
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FZipLump *Lumps;
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public:
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FZipFile(const char * filename, FileReader *file);
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virtual ~FZipFile();
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bool Open(bool quiet);
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virtual FResourceLump *GetLump(int no) { return ((unsigned)no < NumLumps)? &Lumps[no] : NULL; }
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FCompressedBuffer GetRawLump(int lumpnum);
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};
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#endif
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