#ifndef ADVENTURE_H
#define ADVENTURE_H

#include <stddef.h>

#include "config.h"

enum distance {
	dist_player,
	dist_held,
	dist_held_contained,
	dist_location,
	dist_here,
	dist_here_contained,
	dist_overthere,
	dist_not_here,
	dist_unknown_obj,
	dist_no_obj_specified,
};

/* object.c */
#include "object.h"

/* match.c */
#define MAX_PARAMS 26
struct param {
	const char *tag;
	struct object *object;
	enum distance distance;
	size_t count;
};
extern struct param params[MAX_PARAMS];
#define param_by_letter(l) (params + (l) - 'A')
int		 match_command(const char*, const char*);

/* parseexec.h */
struct command {
	int (*fn)(void);
	const char *pattern;
};
int		 exec_look_around(void);
int		 parseexec(const char*);

/* misc.c */
size_t		 list_objs_at_loc(struct object*);
struct object	*person_here(void);
struct object	*get_passage_to(struct object*);
enum distance	 distance_to(struct object*);
void		 move_player(struct object*);
int		 weight_of_contents(struct object*);
int		 object_within_reach(const char*, struct param*);

/* io.c */
extern char *line;
int	getinput();

/* inventory.c */
int	move_object(struct param*, struct object *from, struct object *to);

/* toggle.c */
const char	*cannot_be_opened(struct object*);
const char	*cannot_be_closed(struct object*);
const char	*cannot_be_locked(struct object*);
const char	*cannot_be_unlocked(struct object*);

const char	*is_already_open(struct object*);
const char	*is_already_closed(struct object*);
const char	*is_already_locked(struct object*);
const char	*is_already_unlocked(struct object*);

const char	*is_still_open(struct object*);
const char	*is_still_locked(struct object*);

const char	*toggle_backdoor(struct object*);
const char	*toggle_box(struct object*);
const char	*toggle_box_lock(struct object*);

/* save.c */
int		 save();
int		 load();

#endif