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dd6f2eab90
- Fixed ZDBSP compilation under Linux, including support for 64-bit architectures. SVN r162 (trunk)
107 lines
2.2 KiB
C++
107 lines
2.2 KiB
C++
#ifndef __WAD_H__
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#define __WAD_H__
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#ifdef _MSC_VER
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#pragma once
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#endif
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#include <stdio.h>
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#include <string.h>
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#include "zdbsp.h"
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#include "tarray.h"
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struct WadHeader
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{
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char Magic[4];
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int32_t NumLumps;
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int32_t Directory;
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};
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struct WadLump
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{
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int32_t FilePos;
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int32_t Size;
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char Name[8];
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};
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class FWadReader
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{
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public:
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FWadReader (const char *filename);
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~FWadReader ();
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bool IsIWAD () const;
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int FindLump (const char *name, int index=0) const;
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int FindMapLump (const char *name, int map) const;
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int FindGLLump (const char *name, int glheader) const;
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const char *LumpName (int lump);
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bool IsMap (int index) const;
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bool IsGLNodes (int index) const;
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int SkipGLNodes (int index) const;
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bool MapHasBehavior (int map) const;
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int NextMap (int startindex) const;
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int LumpAfterMap (int map) const;
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int NumLumps () const;
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void SafeRead (void *buffer, size_t size);
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// VC++ 6 does not support template member functions in non-template classes!
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template<class T>
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friend void ReadLump (FWadReader &wad, int index, T *&data, int &size);
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private:
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WadHeader Header;
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WadLump *Lumps;
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FILE *File;
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};
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template<class T>
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void ReadLump (FWadReader &wad, int index, T *&data, int &size)
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{
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if ((unsigned)index >= (unsigned)wad.Header.NumLumps)
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{
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data = NULL;
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size = 0;
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return;
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}
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if (fseek (wad.File, wad.Lumps[index].FilePos, SEEK_SET))
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{
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throw std::runtime_error("Failed to seek");
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}
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size = wad.Lumps[index].Size / sizeof(T);
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data = new T[size];
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wad.SafeRead (data, size*sizeof(T));
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}
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template<class T>
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void ReadMapLump (FWadReader &wad, const char *name, int index, T *&data, int &size)
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{
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ReadLump (wad, wad.FindMapLump (name, index), data, size);
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}
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class FWadWriter
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{
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public:
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FWadWriter (const char *filename, bool iwad);
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~FWadWriter ();
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void CreateLabel (const char *name);
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void WriteLump (const char *name, const void *data, int len);
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void CopyLump (FWadReader &wad, int lump);
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void Close ();
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// Routines to write a lump in segments.
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void StartWritingLump (const char *name);
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void AddToLump (const void *data, int len);
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private:
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TArray<WadLump> Lumps;
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FILE *File;
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void SafeWrite (const void *buffer, size_t size);
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};
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#endif //__WAD_H__
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