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/* 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;
}
/**
* Make an item follow pre-computed path
*
* Works for 2D and 3D items, with respectively 2D and 3D paths
*/
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;
/** Set the path to follow */
void setPath(Resources::Path *path);
/** Set the movement speed on the path */
void setSpeed(float speed);
/** Override the animation to play while the item follows the path */
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
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