followpath.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 STARK_MOVEMENT_FOLLOW_PATH_H
#define STARK_MOVEMENT_FOLLOW_PATH_H

#include "engines/stark/movement/movement.h"

namespace Stark {

namespace Resources {
class Anim;
class Path;
}

class FollowPath : public Movement {
public:
    FollowPath(Resources::ItemVisual *item);
    virtual ~FollowPath();

    // Movement API
    void start() override;
    void onGameLoop() override;
    void stop(bool force = false) override;
    uint32 getType() const override;
    void saveLoad(ResourceSerializer *serializer) override;

    void setPath(Resources::Path *path);

    void setSpeed(float speed);

    void setAnim(Resources::Anim *anim);

private:
    void changeItemAnim();
    void updateItemPosition(uint currentEdge, float positionInEdge) const;
    bool is3D() const;

    Resources::Path *_path;
    float _speed;

    float _position;
    bool _previouslyEnabled;

    Resources::Anim *_anim;
};

} // End of namespace Stark

#endif // STARK_MOVEMENT_FOLLOW_PATH_H