71 lines
2.4 KiB
C
71 lines
2.4 KiB
C
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/***************************************************************************/
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/* */
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/* */
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/* Raven 3D Engine */
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/* Copyright (C) 1995 by Softdisk Publishing */
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/* */
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/* Original Design: */
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/* John Carmack of id Software */
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/* */
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/* Enhancements by: */
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/* Robert Morgan of Channel 7............................Main Engine Code */
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/* Todd Lewis of Softdisk Publishing......Tools,Utilities,Special Effects */
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/* John Bianca of Softdisk Publishing..............Low-level Optimization */
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/* Carlos Hasan..........................................Music/Sound Code */
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/* */
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/* */
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/***************************************************************************/
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#ifndef DISK_H
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#define DISK_H
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#include <STDIO.H>
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/**** TYPES ****/
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#pragma pack (1)
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typedef struct // must be noaligned, or the first
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{ // short will be padded to 4 bytes
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short numlumps;
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int infotableofs;
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int infotablesize;
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} fileinfo_t;
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typedef struct
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{
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int filepos;
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unsigned size;
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short nameofs;
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short compress;
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} lumpinfo_t;
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#pragma pack(4)
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/**** VARIABLES ****/
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extern fileinfo_t fileinfo; // the file header
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extern lumpinfo_t *infotable; // pointers into the cache file
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extern void **lumpmain; // pointers to the lumps in main memory
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extern int cachehandle; // handle of current file
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/**** FUNCTIONS ****/
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void CA_ReadFile(char *name,void *buffer,unsigned length);
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void *CA_LoadFile(char *name);
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void CA_InitFile(char *filename);
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int CA_CheckNamedNum(char *name);
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int CA_GetNamedNum(char *name);
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void *CA_CacheLump(int lump);
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void CA_ReadLump(int lump,void *dest);
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void CA_FreeLump(unsigned lump);
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void CA_WriteLump(unsigned lump);
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void CA_OpenDebug(void);
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void CA_CloseDebug(void);
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#endif
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