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followpath.h

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00001 /* ResidualVM - A 3D game interpreter
00002  *
00003  * ResidualVM is the legal property of its developers, whose names
00004  * are too numerous to list here. Please refer to the AUTHORS
00005  * file distributed with this source distribution.
00006  *
00007  * This program is free software; you can redistribute it and/or
00008  * modify it under the terms of the GNU General Public License
00009  * as published by the Free Software Foundation; either version 2
00010  * of the License, or (at your option) any later version.
00011  *
00012  * This program is distributed in the hope that it will be useful,
00013  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00014  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00015  * GNU General Public License for more details.
00016  *
00017  * You should have received a copy of the GNU General Public License
00018  * along with this program; if not, write to the Free Software
00019  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
00020  *
00021  */
00022 
00023 #ifndef STARK_MOVEMENT_FOLLOW_PATH_H
00024 #define STARK_MOVEMENT_FOLLOW_PATH_H
00025 
00026 #include "engines/stark/movement/movement.h"
00027 
00028 namespace Stark {
00029 
00030 namespace Resources {
00031 class Anim;
00032 class Path;
00033 }
00034 
00040 class FollowPath : public Movement {
00041 public:
00042     FollowPath(Resources::ItemVisual *item);
00043     virtual ~FollowPath();
00044 
00045     // Movement API
00046     void start() override;
00047     void onGameLoop() override;
00048     void stop(bool force = false) override;
00049     uint32 getType() const override;
00050     void saveLoad(ResourceSerializer *serializer) override;
00051 
00053     void setPath(Resources::Path *path);
00054 
00056     void setSpeed(float speed);
00057 
00059     void setAnim(Resources::Anim *anim);
00060 
00061 private:
00062     void changeItemAnim();
00063     void updateItemPosition(uint currentEdge, float positionInEdge) const;
00064     bool is3D() const;
00065 
00066     Resources::Path *_path;
00067     float _speed;
00068 
00069     float _position;
00070     bool _previouslyEnabled;
00071 
00072     Resources::Anim *_anim;
00073 };
00074 
00075 } // End of namespace Stark
00076 
00077 #endif // STARK_MOVEMENT_FOLLOW_PATH_H


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