/*
 *  File:       monstuff.cc
 *  Summary:    Misc monster related functions.
 *  Written by: Linley Henzell
 *
 *  Modified for Crawl Reference by $Author$ on $Date$
 *
 *  Change History (most recent first):
 *
 *               <1>     -/--/--        LRH             Created
 */


#ifndef MONSTUFF_H
#define MONSTUFF_H

#include "mon-util.h"

enum mon_dam_level_type
{
    MDAM_OKAY,
    MDAM_LIGHTLY_DAMAGED,
    MDAM_MODERATELY_DAMAGED,
    MDAM_HEAVILY_DAMAGED,
    MDAM_SEVERELY_DAMAGED,
    MDAM_ALMOST_DEAD,
    MDAM_DEAD
};

enum mon_desc_type   // things that cross categorical lines {dlb}
{
    MDSC_LEAVES_HIDE,                  //    0
    MDSC_REGENERATES,
    MDSC_NOMSG_WOUNDS
};

struct level_exit
{
    coord_def target;
    bool unreachable;

public:
    level_exit(coord_def t = coord_def(-1, -1),
               bool u = true)

        : target(t), unreachable(u)
    {
    }
};

#define YOU_KILL(x) ((x) == KILL_YOU || (x) == KILL_YOU_MISSILE \
                     || (x) == KILL_YOU_CONF)
#define MON_KILL(x) ((x) == KILL_MON || (x) == KILL_MON_MISSILE)

// useful macro
#define SAME_ATTITUDE(x) (mons_friendly(x)     ? BEH_FRIENDLY : \
                          mons_good_neutral(x) ? BEH_GOOD_NEUTRAL : \
                          mons_neutral(x)      ? BEH_NEUTRAL \
                                               : BEH_HOSTILE)

#define MONST_INTERESTING(x) (x->flags & MF_INTERESTING)

// for definition of type monsters {dlb}
#include "externs.h"
// for definition of type monsters {dlb}

void get_mimic_item( const monsters *mimic, item_def & item );
int  get_mimic_colour( const monsters *mimic );

// last updated: 08jun2000 {dlb}
/* ***********************************************************************
   * called from: fight - item_use - items - spell
   * *********************************************************************** */
void alert_nearby_monsters(void);

enum poly_power_type {
    PPT_LESS,
    PPT_MORE,
    PPT_SAME
};

bool monster_polymorph(monsters *monster, monster_type targetc,
                       poly_power_type power = PPT_SAME,
                       bool force_beh = false);

// last updated: 08jun2000 {dlb}
/* ***********************************************************************
   * called from: bang - beam - effects - fight - misc - monstuff - mstuff2 -
   *              spells1 - spells2 - spells3 - spells4
   * *********************************************************************** */
void monster_die(monsters *monster, killer_type killer,
                 int i, bool silent = false);

void mons_check_pool(monsters *monster, killer_type killer = KILL_NONE,
                     int killnum = -1);

// last updated: 17dec2000 {gdl}
/* ***********************************************************************
   * called from: monstuff - fight
   * *********************************************************************** */
void monster_cleanup(monsters *monster);


/* ***********************************************************************
 * called from: monstuff beam effects fight view
 * *********************************************************************** */
void behaviour_event(monsters *mon, int event_type, int src = MHITNOT,
                     int src_x = 0, int src_y = 0);

/* ***********************************************************************
 * called from: fight - it_use3 - spells
 * *********************************************************************** */
bool curse_an_item(bool decay_potions, bool quiet = false);


/* ***********************************************************************
 * called from: fight
 * *********************************************************************** */
bool monster_blink(monsters *monster);


/* ***********************************************************************
 * called from: spells1 spells4 monstuff
 * defaults are set up for player blink;  monster blink should call with
 * false, false
 * *********************************************************************** */
bool random_near_space( int ox, int oy, int &tx, int &ty,
    bool allow_adjacent = false, bool restrict_LOS = true,
    bool forbid_sanctuary = false);


/* ***********************************************************************
 * called from: beam - effects - fight - monstuff - mstuff2 - spells1 -
 *              spells2 - spells4
 * *********************************************************************** */
bool simple_monster_message(const monsters *monster, const char *event,
                            msg_channel_type channel = MSGCH_PLAIN,
                            int param = 0,
                            description_level_type descrip = DESC_CAP_THE);

void make_mons_leave_level(monsters *mon);

bool choose_any_monster(const monsters* mon);
monsters *choose_random_nearby_monster(
    int weight,
    bool (*suitable)(const monsters* mon) =
    choose_any_monster,
    bool in_sight = true,
    bool prefer_named = false);

monsters *choose_random_monster_on_level(
    int weight,
    bool (*suitable)(const monsters* mon) =
    choose_any_monster,
    bool in_sight = true, bool near_by = false,
    bool prefer_named = false);

/* ***********************************************************************
 * called from: acr
 * *********************************************************************** */
bool swap_places(monsters *monster);


/* ***********************************************************************
 * called from: bang - beam - direct - fight - spells1 - spells2 - spells3
 * *********************************************************************** */
void print_wounds(const monsters *monster);


/* ***********************************************************************
 * called from: acr
 * *********************************************************************** */
void handle_monsters(void);


/* ***********************************************************************
 * called from: misc
 * *********************************************************************** */
bool monster_descriptor(int which_class, unsigned char which_descriptor);


/* ***********************************************************************
 * called from: direct - item_use - spells1
 * *********************************************************************** */
bool message_current_target(void);

unsigned int monster_index(const monsters *monster);

void mons_get_damage_level(const monsters*, std::string& desc, mon_dam_level_type&);

int hurt_monster(monsters *victim, int damage_dealt);

bool heal_monster(monsters *patient, int health_boost, bool permit_growth);

void seen_monster(monsters *monster);

bool shift_monster(monsters *mon, int x = 0, int y = 0 );

int mons_weapon_damage_rating(const item_def &launcher);
int mons_pick_best_missile(monsters *mons, item_def **launcher,
                           bool ignore_melee = false);
int mons_missile_damage(const item_def *launch,
                        const item_def *missile);
int mons_thrown_weapon_damage(const item_def *weap);

int mons_natural_regen_rate(monsters *monster);

#endif