228 lines
6.9 KiB
C++
228 lines
6.9 KiB
C++
// Emacs style mode select -*- C++ -*-
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//-----------------------------------------------------------------------------
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//
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// libwad: Doom WAD format interface library.
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// Copyright (C) 2011 by Callum Dickinson.
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License
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// as published by the Free Software Foundation; either version 2
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// of the License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//-----------------------------------------------------------------------------
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/// \file wad.h
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/// \brief WAD file manipulation library.
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#ifndef __WAD_H__
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#define __WAD_H__
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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//
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// Exact-width integer types.
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//
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#ifdef _MSC_VER
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typedef signed __int8 wad_int8_t;
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typedef unsigned __int8 wad_uint8_t;
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typedef __int16 wad_int16_t;
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typedef unsigned __int16 wad_uint16_t;
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typedef __int32 wad_int32_t;
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typedef unsigned __int32 wad_uint32_t;
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typedef __int64 wad_int64_t;
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typedef unsigned __int64 wad_uint64_t;
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// Older Visual C++ headers don't have the Win64-compatible typedefs...
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#if ((_MSC_VER <= 1200) && (!defined(DWORD_PTR)))
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#define DWORD_PTR DWORD
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#endif
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#if ((_MSC_VER <= 1200) && (!defined(PDWORD_PTR)))
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#define PDWORD_PTR PDWORD
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#endif
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#elif defined (_arch_dreamcast)
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#include <arch/types.h>
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typedef signed char wad_int8_t;
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typedef unsigned char wad_uint8_t;
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typedef int16 wad_int16_t;
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typedef uint16 wad_uint16_t;
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typedef int wad_int32_t;
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typedef unsigned int wad_uint32_t;
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typedef int64 wad_int64_t;
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typedef uint64 wad_uint64_t;
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#elif defined (__DJGPP__)
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typedef signed char wad_int8_t;
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typedef unsigned char wad_uint8_t;
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typedef signed short int wad_int16_t;
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typedef unsigned short int wad_uint16_t;
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typedef signed long wad_int32_t;
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typedef unsigned long wad_uint32_t;
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typedef signed long long wad_int64_t;
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typedef unsigned long long wad_uint64_t;
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#else
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#define __STDC_LIMIT_MACROS
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#include <stdint.h>
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typedef int8_t wad_int8_t;
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typedef uint8_t wad_uint8_t;
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typedef int16_t wad_int16_t;
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typedef uint16_t wad_uint16_t;
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typedef int32_t wad_int32_t;
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typedef uint32_t wad_uint32_t;
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typedef int64_t wad_int64_t;
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typedef uint64_t wad_uint64_t;
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#endif
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typedef enum
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{
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false,
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true
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} wad_boolean_t;
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typedef struct
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{
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char id[4]; // The WAD header's 4-character ID.
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wad_uint32_t numlumps; // The number of lumps the WAD has.
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wad_uint32_t lumpdir; // The pointer to the lump directory.
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} wadheader_t;
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typedef struct wad_s
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{
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char *filename; // The filename of the open WAD.
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wadheader_t *header; // The WAD's header.
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wad_boolean_t compressed;
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struct lump_s *lumps; // The WAD's lumps buffer.
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} wad_t;
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typedef struct lump_s
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{
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wad_t *wad; // The WAD the lump belongs to.
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char name[9]; // The name of the lump.
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wad_uint64_t disksize; // The size of the lump on disk.
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size_t size; // The real (uncompressed) size of the lump.
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wad_boolean_t compressed;
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void *data; // The actual lump data.
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wad_uint32_t num; // The lump number in the WAD.
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struct lump_s *prev; // The previous node in the tree.
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struct lump_s *next; // The next node in the tree.
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} lump_t;
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// a raw entry of the wad directory
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typedef struct
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{
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wad_uint32_t position; // The position of the lump in the WAD file.
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wad_uint32_t size; // Size of the lump.
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char name[8]; // The lump's name.
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} lumpdir_t;
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//
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// wad_static.c
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// Static file for internal libwad operations.
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//
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extern char *WAD_Error(void);
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extern char *WAD_BaseName(char *path);
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extern char *WAD_VA(const char *format, ...);
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extern inline wad_int16_t WAD_INT16_Endianness(wad_int16_t x);
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extern inline wad_int32_t WAD_INT32_Endianness(wad_int32_t x);
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//
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// wad.c
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// WAD interface functionality.
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//
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extern wad_uint32_t wad_numwads;
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extern wad_uint32_t WAD_WADLoopAdvance(wad_uint32_t i);
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extern wad_t *WAD_WADByNum(wad_uint16_t num);
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extern wad_t *WAD_WADByFileName(const char *filename);
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extern wad_t *WAD_OpenWAD(const char *filename);
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extern wad_int32_t WAD_SaveWAD(wad_t *wad);
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extern inline wad_int32_t WAD_SaveWADByNum(wad_uint16_t num);
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extern inline wad_int32_t WAD_SaveWADByFileName(const char *filename);
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extern inline wad_int32_t WAD_SaveCloseWAD(wad_t *wad);
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extern inline wad_int32_t WAD_SaveCloseWADByNum(wad_uint16_t num);
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extern inline wad_int32_t WAD_SaveCloseWADByFileName(const char *filename);
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extern void WAD_CloseWAD(wad_t *wad);
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extern inline void WAD_CloseWADByNum(wad_uint16_t num);
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extern inline void WAD_CloseWADByFileName(const char *filename);
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//
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// lump.c
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// Lump interface functionality.
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//
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extern char *WAD_LumpNameFromFileName(char *path);
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extern lump_t *WAD_LumpInWADByNum(wad_t *wad, wad_uint32_t num);
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extern lump_t *WAD_LumpInWADByName(wad_t *wad, const char *name);
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extern lump_t *WAD_LumpByName(const char *name);
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extern inline wad_uint32_t WAD_LumpNum(lump_t *lump);
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extern inline wad_uint32_t WAD_LumpNumInWADByName(wad_t *wad, const char *name);
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extern inline wad_uint32_t WAD_LumpNumByName(const char *name);
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extern inline size_t WAD_LumpSize(lump_t *lump);
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extern inline size_t WAD_LumpSizeInWADByName(wad_t *wad, const char *name);
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extern inline size_t WAD_LumpSizeByName(const char *name);
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extern lump_t *WAD_AddLump(wad_t *wad, lump_t *destlump, const char *name, const char *filename);
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extern inline lump_t *WAD_AddLumpInWADByNum(wad_t *wad, wad_uint32_t num, const char *name, const char *filename);
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extern inline lump_t *WAD_AddLumpInWADByName(wad_t *wad, const char *destname, const char *name, const char *filename);
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extern inline lump_t *WAD_AddLumpByName(const char *destname, const char *name, const char *filename);
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extern lump_t *WAD_CacheLump(lump_t *lump);
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extern inline lump_t *WAD_CacheLumpInWADByNum(wad_t *wad, wad_uint32_t num);
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extern inline lump_t *WAD_CacheLumpInWADByName(wad_t *wad, const char *name);
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extern inline lump_t *WAD_CacheLumpByName(const char *name);
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extern lump_t *WAD_MoveLump(lump_t *lump, lump_t *destlump);
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extern inline lump_t *WAD_MoveLumpInWADByNum(wad_t *wad, wad_uint32_t num, wad_t *destwad, wad_uint32_t destnum);
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extern inline lump_t *WAD_MoveLumpInWADByName(wad_t *wad, const char *name, wad_t *destwad, const char *destname);
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extern inline lump_t *WAD_MoveLumpByName(const char *name, const char *destname);
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extern void WAD_UncacheLump(lump_t *lump);
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extern inline void WAD_UncacheLumpInWADByNum(wad_t *wad, wad_uint32_t num);
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extern inline void WAD_UncacheLumpInWADByName(wad_t *wad, const char *name);
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extern inline void WAD_UncacheLumpByName(const char *name);
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extern void WAD_RemoveLump(lump_t *lump);
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extern inline void WAD_RemoveLumpInWADByNum(wad_t *wad, wad_uint32_t num);
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extern inline void WAD_RemoveLumpInWADByName(wad_t *wad, const char *name);
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extern inline void WAD_RemoveLumpByName(const char *name);
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#ifdef __cplusplus
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} // extern "C"
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#endif
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#endif // __WAD_H__
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