/*
 * Doom PostScript map generator.
 * Copyright James Bonfield, 3/3/94 
 */

#ifndef _WAD_H_
#define _WAD_H_

typedef int int4;
typedef short int2;

struct wad_header {
    int4 magic;
    int4 dir_size;
    int4 dir_off;
};

struct directory {
    int4 start;
    int4 length;
    char name[8];
};

typedef struct linedef_ {
    int2 from_vertex;
    int2 to_vertex;
    int2 attrib;
    int2 type;
    int2 trigger;
    int2 sidedef1;
    int2 sidedef2;
} linedef;

/* linedef attrib bits */
#define LI_IMPASS 0x01
#define LI_SECRET 0x20

typedef struct vertex_ {
    int2 x;
    int2 y;
} vertex;

typedef struct sidedef_ {
    int2 x;
    int2 y;
    char wall_above[8];
    char wall_below[8];
    char wall_part[8];
    int2 sector;
} sidedef;

typedef struct ssector_ {
    int2 num;
    int2 seg;
} ssector;

typedef struct sector_ {
    int2 bot_pos;
    int2 top_pos;
    char bot_texture[8];
    char top_texture[8];
    int2 brightness;
    int2 special;
    int2 trigger;
} sector;

typedef struct thing_ {
    int2 x;
    int2 y;
    int2 angle;
    int2 type;
    int2 attrib;
} thing;

/* thing 'type' bits */
#define TH_SKILL1  0x01
#define TH_SKILL2  0x01
#define TH_SKILL3  0x02
#define TH_SKILL4  0x04
#define TH_MULTI   0x08

typedef int2 blockmap;

extern struct directory *open_wad(char *file, int *fd, int *size);
extern int get_index(struct directory *d, int size, char *name, int st);
extern linedef *read_linedefs(int fd, struct directory *d, int size,
			      int start, int *num);
extern vertex *read_vertexes(int fd, struct directory *d, int size,
			     int start, int *num);
extern blockmap *read_blockmap(int fd, struct directory *d, int size,
			       int start, int *num);
extern sidedef *read_sidedefs(int fd, struct directory *d, int size,
			      int start, int *num);
extern sector *read_sectors(int fd, struct directory *d, int size,
			    int start, int *num);
extern thing *read_things(int fd, struct directory *d, int size, int start,
			  int *num);

#endif