#ifndef WH_VARS_H_f9fa570a_
#define WH_VARS_H_f9fa570a_

/*
 * Externs for global variables.
 */

#include "structs.h"

/*
 * The dungeon itself.  Levels is the actual array; levels is offset
 *  from it so that it can be subscripted by level numbers, some of
 *  which are negative.
 */
extern LEVEL Levels[N_LEVELS];
#define levels (&Levels[LEVEL_OFFSET])

/*
 * The entrance, the place where the player is placed at the beginning
 *  of the game.  Also used for flood-fills a few places.
 */
extern LOC *entrance;

/*
 * The order of the elemental planes from the player's POV.  The [0]
 *  element is closest to the dungeon.  The values stored here are
 *  level numbers L_EARTH, L_AIR, L_FIRE, and L_WATER.
 */
extern int elem_order[L__NELEM];

/*
 * The inverse of elem_order[]: indexed by level number, returns
 *  subscript in elem_order[].
 */
#if L__FIRSTELEM+L__NELEM != 0 // See structs.h.
#error "elem_order_i assumes L__FIRSTELEM == - L__NELEM"
#endif
extern int elem_order_i_[L__NELEM];
#define elem_order_i (&elem_order_i_[-L__FIRSTELEM])

/*
 * The array of all monster types.
 */
extern MONTYPE montypes[];

/*
 * The array of all object types.
 */
extern OBJTYPE objtypes[];

/*
 * The player-avatar monster.
 */
extern MONST *you;

/*
 * The number of times "you" has been attacked.  This is used to, for
 *  example, handle cursed armour.
 */
extern unsigned int you_were_attacked;

/*
 * The number of times "you" has attacked.  This is used to, for
 *  example, handle cursed weapons.
 */
extern unsigned int you_attacked;

/*
 * Offsets between level coordinates and display coordinates (dispo?)
 *  or between level coordinates and map coordinates (mapo?).  See the
 *  comment on them in display.c for more.
 */
extern int dispox;
extern int dispoy;
extern int mapox;
extern int mapoy;

/*
 * The map currently in use, or nil if none.
 */
extern OBJ *map;

/*
 * The current time.  This is in-game time, not real-world time.
 */
extern TIME curtime;

/*
 * The chain of all monsters, and the count of monsters on it.
 */
extern MONST *mchain;
extern int mchain_count;

/*
 * The location of the observer used by seecell().
 */
extern LOC *seecell_loc;

/*
 * The eight possible directions, represented as delta-x and delta-y.
 */
extern const int delta[8][2];

/*
 * Boolean indicating whether Iuz is currently mad at you.
 */
extern int Z_mad;

/*
 * The locations of the various gates.
 */
extern LOC *gate_dungeon;
extern LOC *gate_uworld_dungeon;
extern LOC *gate_uworld_hell;
extern LOC *gate_hell;
extern LOC *gate_elem_dungeon_[L__NELEM];
extern LOC *gate_elem_uworld_[L__NELEM];
#if L__FIRSTELEM+L__NELEM != 0 // See structs.h.
#error "gate_elem_* paradigm assumes L__FIRSTELEM == - L__NELEM"
#endif
#define gate_elem_dungeon (&gate_elem_dungeon_[-L__FIRSTELEM])
#define gate_elem_uworld (&gate_elem_uworld_[-L__FIRSTELEM])

#endif