AIAStar_API.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 QDENGINE_QDCORE_UTIL_AIASTAR_API_H
#define QDENGINE_QDCORE_UTIL_AIASTAR_API_H

#include "qdengine/qdcore/util/AIAStar.h"


namespace QDEngine {

class qdCamera;
class qdGameObjectMoving;

class qdHeuristic {
public:
    qdHeuristic();
    ~qdHeuristic();

    int getH(int x, int y);
    int getG(int x1, int y1, int x2, int y2);
    bool isEndPoint(int x, int y) {
        return (x == _target.x && y == _target.y);
    }

    void init(const Vect3f trg);
    void set_camera(const qdCamera *cam) {
        _camera_ptr = cam;
    }
    void set_object(const qdGameObjectMoving *obj) {
        _object_ptr = obj;
    }

private:

    Vect2i _target;
    Vect3f _target_f;

    const qdCamera *_camera_ptr;
    const qdGameObjectMoving *_object_ptr;
};

typedef AIAStar<qdHeuristic, int> qdAStar;

} // namespace QDEngine

#endif // _AIASTAR_API_H