actor_walk.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_WALK_H
#define BLADERUNNER_ACTOR_WALK_H

#include "bladerunner/vector.h"
#include "common/hashmap.h"

namespace BladeRunner {

class BladeRunnerEngine;
class SaveFileReadStream;
class SaveFileWriteStream;

class ActorWalk {
    BladeRunnerEngine *_vm;

    int                        _walking;
    int                        _running;
    Vector3                    _destination;
    Vector3                    _originalDestination;
    Vector3                    _current;
    Vector3                    _next;
    int                        _facing;
    Common::HashMap<int, bool> _nearActors;
    int                        _status;

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

    void reset(); // added method for bug fix (bad new game state for player actor) and better management of object

    bool setup(int actorId, bool runFlag, const Vector3 &from, const Vector3 &to, bool mustReach, bool *arrived);
    void getCurrentPosition(int actorId, Vector3 *pos, int *facing) const;
    bool tick(int actorId, float stepDistance, bool flag);

    bool isWalking() const { return _walking; }
    bool isRunning() const { return _running; }

    bool isXYZOccupied(float x, float y, float z, int actorId) const;
    bool findEmptyPositionAround(int actorId, const Vector3 &from, int distance, Vector3 &out) const;

    void stop(int actorId, bool immediately, int combatAnimationMode, int animationMode);
    void run(int actorId);

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

private:
    int nextOnPath(int actorId, const Vector3 &from, const Vector3 &to, Vector3 &next) const;

    bool findEmptyPositionAroundToOriginalDestination(int actorId, Vector3 &out) const;

    bool addNearActors(int skipActorId);

    void obstaclesAddNearActors(int actorId) const;
    void obstaclesRestore() const;
};

} // End of namespace BladeRunner

#endif