/*                               -*- Mode: C -*- 
 * monster.h -- 
 * ITIID           : $ITI$ $Header $__Header$
 * Author          : Thomas Biskup
 * Created On      : Mon Dec 30 18:08:50 1996
 * Last Modified By: Thomas Biskup
 * Last Modified On: Thu Jan  9 20:12:30 1997
 * Update Count    : 24
 * Status          : Unknown, Use with caution!
 *
 * (C) Copyright 1996, 1997 by Thomas Biskup.
 * All Rights Reserved.
 *
 * This software may be distributed only for educational, research and
 * other non-proft purposes provided that this copyright notice is left
 * intact.  If you derive a new game from these sources you also are
 * required to give credit to Thomas Biskup for creating them in the first
 * place.  These sources must not be distributed for any fees in excess of
 * $3 (as of January, 1997).
 */

#ifndef __MONSTER__

#define __MONSTER__

/*
 * Constants for various monster states.
 */

enum monster_state
{
  ASLEEP, NEUTRAL, ANGRY
};


/*
 * Constants for monster frequencies.
 */

enum monster_rarity
{
  UNIQUE = 0, VERY_RARE = 100, RARE = 500, UNCOMMON = 1000, COMMON = 2000,
  VERY_COMMON = 3000
};


/*
 * A structure for a given monster.
 */

struct monster
{
  /* Is the entry occupied by a monster? */
  BOOL used;

  /* Monster type. */
  byte midx;

  /* Position on the map. */
  coord x, y;

  /* Hitpoint data. */
  int16 hp, max_hp;

  /* The current state (see above). */
  byte state;
};



/*
 * The structure for a basic monster.
 */

struct monster_def
{
  /* The character symbol. */
  char symbol;

  /* The color of the monster. */
  byte color;

  /* It's name. */
  char *name;

  /* Armor class. */
  byte ac;

  /* Initial hitpoints. */
  char *hits;

  /* Number of attacks. */
  byte attacks;

  /* To-hit bonus. */
  byte to_hit;

  /* Damage dice. */
  char *damage;

  /* Frequency for the basic level. */
  int16 rarity;
};


struct monster_struct
{
  /* Index to the first empty monster slow; later ones use 'midx'. */
  byte eidx[MAX_DUNGEON_LEVEL];

  /* The monster slots for each level. */
  struct monster m[MAX_DUNGEON_LEVEL][MONSTERS_PER_LEVEL];
};


/* The global monster structure. */
extern struct monster_struct m;



/*
 * Global functions.
 */

BOOL los(coord, coord);
BOOL is_monster_at(coord, coord);

byte monster_tile(byte);
byte monster_color(byte);

struct monster *get_monster_at(coord, coord);

void init_monsters(void);
void initialize_monsters(void);
void build_monster_map(void);
void create_monster_in(byte);
void create_population(void);
void move_monsters(void);

#endif