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waddir.h
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waddir.h
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/*
* Copyright(C) 1998-2023 Simon Howard, Andreas Dehmel
*
* 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.
*
*
* WAD loading and reading routines: by me, me, me!
*/
#ifndef __WADDIR_H_INCLUDED__
#define __WADDIR_H_INCLUDED__
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include "errors.h"
typedef struct {
uint32_t offset;
uint32_t length;
char name[8];
} entry_t;
typedef enum {
WAD_FILE_IWAD,
WAD_FILE_PWAD,
} wad_file_type_t;
typedef struct {
FILE *fp;
wad_file_type_t type;
uint32_t num_entries;
entry_t *entries;
} wad_file_t;
#define PWAD_MAGIC "PWAD"
#define IWAD_MAGIC "IWAD"
// Portable structure I/O:
#define WAD_HEADER_MAGIC 0
#define WAD_HEADER_NUM_ENTRIES 4
#define WAD_HEADER_DIR_OFFSET 8
#define WAD_HEADER_SIZE 12
#define ENTRY_OFF 0
#define ENTRY_LEN 4
#define ENTRY_NAME 8
#define ENTRY_SIZE 16
bool OpenWadFile(wad_file_t *wf, const char *filename);
void CloseWadFile(wad_file_t *wf);
int EntryExists(wad_file_t *wf, char *entrytofind);
void *CacheLump(wad_file_t *wf, unsigned int entrynum);
void WriteWadDirectory(FILE *fp, wad_file_type_t type, entry_t *entries,
size_t num_entries);
uint32_t WriteWadLump(FILE *fp, void *buf, size_t len);
bool IsLevelEntry(char *s);
#endif