actor_combat.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 BLADERUNNER_ACTOR_COMBAT_H
#define BLADERUNNER_ACTOR_COMBAT_H

#include "bladerunner/vector.h"

namespace BladeRunner {

class BladeRunnerEngine;
class SaveFileReadStream;
class SaveFileWriteStream;

class ActorCombat {
    BladeRunnerEngine *_vm;

    int _actorId;
    bool _active;
    int _state;
    bool _rangedAttack;
    int _enemyId;
    int _waypointType;
    int _damage;
    int _fleeRatio;
    int _coverRatio;
    int _attackRatio;
    int _fleeRatioConst;
    int _coverRatioConst;
    int _attackRatioConst;
    int _actorHp;
    int _range;
    bool _unstoppable;
    Vector3 _actorPosition;
    Vector3 _enemyPosition;
    int _coversWaypointCount;
    int _fleeWaypointsCount;
    int _fleeingTowards;

public:
    ActorCombat(BladeRunnerEngine *vm);
    ~ActorCombat();

    void setup();

    void combatOn(int actorId, int initialState, bool rangedAttack, int enemyId, int waypointType, int fleeRatio, int coverRatio, int attackRatio, int damage, int range, bool unstoppable);
    void combatOff();

    void tick();

    void hitAttempt();

    void save(SaveFileWriteStream &f);
    void load(SaveFileReadStream &f);

private:
    void reset();

    void cover();
    void approachToCloseAttack();
    void approachToRangedAttack();
    void uncover();
    void aim();
    void rangedAttack();
    void closeAttack();
    void flee();

    void faceEnemy();

    int getCoefficientCloseAttack() const;
    int getCoefficientRangedAttack() const;

    int getDamageCloseAttack(int min, int max) const;
    int getDamageRangedAttack(int min, int max) const;

    int calculateAttackRatio() const;
    int calculateCoverRatio() const;
    int calculateFleeRatio() const;

    bool findClosestPositionToEnemy(Vector3 &output) const;
};

} // End of namespace BladeRunner

#endif