/* DE1: $Id: dd_wad.h 1827 2004-07-24 21:58:51Z skyjake $
 * Copyright (C) 2003, 2004 Jaakko Keränen <jaakko.keranen@iki.fi>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not: http://www.opensource.org/
 *
 * Portions based on Hexen by Raven Software.
 */

/*
 * dd_wad.h: WAD Files and Data Lump Cache
 */

#ifndef __DOOMSDAY_WAD_H__
#define __DOOMSDAY_WAD_H__

#include "sys_file.h"
#include "con_decl.h"

#define RECORD_FILENAMELEN	256

// File record flags.
#define	FRF_RUNTIME		0x1		   // Loaded at runtime (for reset).

#define AUXILIARY_BASE	1000000000

enum							   // Lump Grouping Tags
{
	LGT_NONE = 0,
	LGT_FLATS,
	LGT_SPRITES,
	NUM_LGTAGS
};

typedef struct {
	char            filename[RECORD_FILENAMELEN];	// Full filename (every '\' -> '/').
	int             numlumps;	   // Number of lumps.
	int             flags;
	DFILE          *handle;		   // File handle.
	char            iwad;
} filerecord_t;

typedef struct {
	char            name[9];	   // End in \0.
	DFILE          *handle;
	int             position, size;
	int             sent;
	char            group;		   // Lump grouping tag (LGT_*).
} lumpinfo_t;

extern lumpinfo_t *lumpinfo;
extern int      numlumps;

void            W_InitMultipleFiles(char **filenames);
void            W_EndStartup(void);
int             W_CheckNumForName(char *name);
int             W_GetNumForName(char *name);
int             W_LumpLength(int lump);
const char     *W_LumpName(int lump);
void            W_ReadLump(int lump, void *dest);
void            W_ReadLumpSection(int lump, void *dest, int startoffset,
								  int length);
void           *W_CacheLumpNum(int lump, int tag);
void           *W_CacheLumpName(char *name, int tag);
boolean         W_AddFile(const char *filename, boolean allowDuplicate);
boolean         W_RemoveFile(char *filename);
void            W_Reset();
int             W_OpenAuxiliary(const char *filename);
void            W_ChangeCacheTag(int lump, int tag);
void            W_CheckIWAD(void);
boolean         W_IsFromIWAD(int lump);
const char     *W_LumpSourceFile(int lump);
unsigned int    W_CRCNumberForRecord(int idx);
unsigned int    W_CRCNumber(void);
void            W_GetIWADFileName(char *buf, int bufSize);
void            W_GetPWADFileNames(char *buf, int bufSize, char separator);
void            W_PrintMapList(void);

D_CMD(ListMaps);

#endif