creature.h

/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

#ifndef ULTIMA4_GAME_CREATURE_H
#define ULTIMA4_GAME_CREATURE_H

#include "ultima/ultima4/game/object.h"
#include "ultima/ultima4/map/movement.h"
#include "ultima/ultima4/filesys/savegame.h"
#include "ultima/ultima4/core/types.h"

namespace Ultima {
namespace Ultima4 {

class CombatController;
class ConfigElement;
class Tile;

typedef unsigned short CreatureId;
typedef Common::HashMap<CreatureId, class Creature *> CreatureMap;
typedef Std::vector<class Creature *> CreatureVector;

#define MAX_CREATURES 128

/* Creatures on world map */

#define MAX_CREATURES_ON_MAP 4
#define MAX_CREATURE_DISTANCE 16

/* Creature ids */

typedef enum {
    HORSE1_ID       = 0,
    HORSE2_ID       = 1,

    MAGE_ID         = 2,
    BARD_ID         = 3,
    FIGHTER_ID      = 4,
    DRUID_ID        = 5,
    TINKER_ID       = 6,
    PALADIN_ID      = 7,
    RANGER_ID       = 8,
    SHEPHERD_ID     = 9,

    GUARD_ID        = 10,
    VILLAGER_ID     = 11,
    SINGINGBARD_ID  = 12,
    JESTER_ID       = 13,
    BEGGAR_ID       = 14,
    CHILD_ID        = 15,
    BULL_ID         = 16,
    LORDBRITISH_ID  = 17,

    PIRATE_ID       = 18,
    NIXIE_ID        = 19,
    GIANT_SQUID_ID  = 20,
    SEA_SERPENT_ID  = 21,
    SEAHORSE_ID     = 22,
    WHIRLPOOL_ID    = 23,
    STORM_ID        = 24,
    RAT_ID          = 25,
    BAT_ID          = 26,
    GIANT_SPIDER_ID = 27,
    GHOST_ID        = 28,
    SLIME_ID        = 29,
    TROLL_ID        = 30,
    GREMLIN_ID      = 31,
    MIMIC_ID        = 32,
    REAPER_ID       = 33,
    INSECT_SWARM_ID = 34,
    GAZER_ID        = 35,
    PHANTOM_ID      = 36,
    ORC_ID          = 37,
    SKELETON_ID     = 38,
    ROGUE_ID        = 39,
    PYTHON_ID       = 40,
    ETTIN_ID        = 41,
    HEADLESS_ID     = 42,
    CYCLOPS_ID      = 43,
    WISP_ID         = 44,
    EVILMAGE_ID     = 45,
    LICH_ID         = 46,
    LAVA_LIZARD_ID  = 47,
    ZORN_ID         = 48,
    DAEMON_ID       = 49,
    HYDRA_ID        = 50,
    DRAGON_ID       = 51,
    BALRON_ID       = 52
} CreatureType;

typedef enum {
    MATTR_STEALFOOD     = 0x1,
    MATTR_STEALGOLD     = 0x2,
    MATTR_CASTS_SLEEP   = 0x4,
    MATTR_UNDEAD        = 0x8,
    MATTR_GOOD          = 0x10,
    MATTR_WATER         = 0x20,
    MATTR_NONATTACKABLE = 0x40,
    MATTR_NEGATE        = 0x80,
    MATTR_CAMOUFLAGE    = 0x100,
    MATTR_NOATTACK      = 0x200,
    MATTR_AMBUSHES      = 0x400,
    MATTR_RANDOMRANGED  = 0x800,
    MATTR_INCORPOREAL   = 0x1000,
    MATTR_NOCHEST       = 0x2000,
    MATTR_DIVIDES       = 0x4000,
    MATTR_SPAWNSONDEATH = 0x8000,
    MATTR_FORCE_OF_NATURE = 0x10000
} CreatureAttrib;

typedef enum {
    MATTR_STATIONARY        = 0x1,
    MATTR_WANDERS           = 0x2,
    MATTR_SWIMS             = 0x4,
    MATTR_SAILS             = 0x8,
    MATTR_FLIES             = 0x10,
    MATTR_TELEPORT          = 0x20,
    MATTR_CANMOVECREATURES  = 0x40,
    MATTR_CANMOVEAVATAR     = 0x80
} CreatureMovementAttrib;

typedef enum {
    MSTAT_DEAD,
    MSTAT_FLEEING,
    MSTAT_CRITICAL,
    MSTAT_HEAVILYWOUNDED,
    MSTAT_LIGHTLYWOUNDED,
    MSTAT_BARELYWOUNDED
} CreatureStatus;

class Creature : public Object {
    typedef Common::List<StatusType> StatusList;

public:
    Creature(MapTile tile = MapTile(0));

    void load(const ConfigElement &conf);

    // Accessor methods
    virtual Common::String getName() const {
        return _name;
    }
    virtual const Common::String &getHitTile() const {
        return _rangedHitTile;
    }
    virtual const Common::String &getMissTile() const {
        return _rangedMissTile;
    }
    CreatureId getId() const {
        return _id;
    }
    CreatureId getLeader() const {
        return _leader;
    }
    virtual int getHp() const {
        return _hp;
    }
    virtual int getXp() const {
        return _xp;
    }
    virtual const Common::String &getWorldrangedtile() const {
        return _worldRangedTile;
    }
    SlowedType getSlowedType() const {
        return _slowedType;
    }
    int getEncounterSize() const {
        return _encounterSize;
    }
    byte getResists() const {
        return _resists;
    }

    // Setters
    void setName(Common::String s) {
        _name = s;
    }
    void setHitTile(const Common::String &t) {
        _rangedHitTile = t;
    }
    void setMissTile(const Common::String &t) {
        _rangedMissTile = t;
    }
    virtual void setHp(int points) {
        _hp = points;
    }

    // Query methods
    bool isGood() const {
        return _mAttr & MATTR_GOOD;
    }
    bool isEvil() const {
        return !isGood();
    }
    bool isUndead() const {
        return _mAttr & MATTR_UNDEAD;
    }
    bool leavesChest() const {
        return !isAquatic() && !(_mAttr & MATTR_NOCHEST);
    }
    bool isAquatic() const {
        return _mAttr & MATTR_WATER;
    }
    bool wanders() const {
        return _movementAttr & MATTR_WANDERS;
    }
    bool isStationary() const {
        return _movementAttr & MATTR_STATIONARY;
    }
    bool flies() const {
        return _movementAttr & MATTR_FLIES;
    }
    bool teleports() const {
        return _movementAttr & MATTR_TELEPORT;
    }
    bool swims() const {
        return _movementAttr & MATTR_SWIMS;
    }
    bool sails() const {
        return _movementAttr & MATTR_SAILS;
    }
    bool walks() const {
        return !(flies() || swims() || sails());
    }
    bool divides() const {
        return _mAttr & MATTR_DIVIDES;
    }
    bool spawnsOnDeath() const {
        return _mAttr & MATTR_SPAWNSONDEATH;
    }
    bool canMoveOntoCreatures() const {
        return _movementAttr & MATTR_CANMOVECREATURES;
    }
    bool canMoveOntoPlayer() const {
        return _movementAttr & MATTR_CANMOVEAVATAR;
    }
    bool isAttackable() const;
    bool willAttack() const {
        return !(_mAttr & MATTR_NOATTACK);
    }
    bool stealsGold() const {
        return _mAttr & MATTR_STEALGOLD;
    }
    bool stealsFood() const {
        return _mAttr & MATTR_STEALFOOD;
    }
    bool negates() const {
        return _mAttr & MATTR_NEGATE;
    }
    bool camouflages() const {
        return _mAttr & MATTR_CAMOUFLAGE;
    }
    bool ambushes() const {
        return _mAttr & MATTR_AMBUSHES;
    }
    bool isIncorporeal() const {
        return _mAttr & MATTR_INCORPOREAL;
    }
    bool hasRandomRanged() const {
        return _mAttr & MATTR_RANDOMRANGED;
    }
    bool leavesTile() const {
        return _leavesTile;
    }
    bool castsSleep() const {
        return _mAttr & MATTR_CASTS_SLEEP;
    }
    bool isForceOfNature() const {
        return _mAttr & MATTR_FORCE_OF_NATURE;
    }
    int getDamage() const;
    const Common::String &getCamouflageTile() const {
        return _camouflageTile;
    }
    void setRandomRanged();
    int setInitialHp(int hp = -1);

    bool specialAction();

    bool specialEffect();

    /* combat methods */
    void act(CombatController *controller);

    virtual void addStatus(StatusType status);
    void applyTileEffect(TileEffect effect);
    virtual int getAttackBonus() const;
    virtual int getDefense() const;
    bool divide();
    bool spawnOnDeath();
    virtual CreatureStatus getState() const;
    StatusType getStatus() const;
    bool isAsleep() const;

    bool hideOrShow();

    Creature *nearestOpponent(int *dist, bool ranged);
    virtual void putToSleep();
    virtual void removeStatus(StatusType status);
    virtual void setStatus(StatusType status);
    virtual void wakeUp();

    virtual bool applyDamage(int damage, bool byplayer = true);
    virtual bool dealDamage(Creature *m, int damage);

    // Properties
protected:
    Common::String _name;
    Common::String _rangedHitTile;
    Common::String _rangedMissTile;
    CreatureId     _id;
    Common::String _camouflageTile;
    CreatureId     _leader;
    int            _baseHp;
    int            _hp;
    StatusList     _status;
    int            _xp;
    byte  _ranged;
    Common::String _worldRangedTile;
    bool           _leavesTile;
    CreatureAttrib _mAttr;
    CreatureMovementAttrib _movementAttr;
    SlowedType     _slowedType;
    int            _encounterSize;
    byte  _resists;
    CreatureId     _spawn;
};

class CreatureMgr {
public:
    static CreatureMgr *getInstance();

    void loadAll();

    Creature *getByTile(MapTile tile);

    Creature *getById(CreatureId id);

    Creature *getByName(Common::String name);

    Creature *randomForTile(const Tile *tile);

    Creature *randomForDungeon(int dnglevel);

    Creature *randomAmbushing();

private:
    CreatureMgr() {}

    // disallow assignments, copy construction
    CreatureMgr(const CreatureMgr &);
    const CreatureMgr &operator=(const CreatureMgr &);

    static CreatureMgr *_instance;

    CreatureMap _creatures;
};

bool isCreature(Object *punknown);

#define creatureMgr (CreatureMgr::getInstance())

} // End of namespace Ultima4
} // End of namespace Ultima

#endif