/*
 Copyright (C) 2009 Erik Ogenvik <erik@ogenvik.org>

 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 2 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, write to the Free Software Foundation,
 Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

#ifndef IMOVABLE_H_
#define IMOVABLE_H_


namespace Ember::OgreView {

/**
 * @author Erik Ogenvik <erik@ogenvik.org>
 *
 * @brief Represents something which can move, and therefore needs to get movement updates.
 *
 * An instance of this should be registered with the MotionManager. This will ensure that it will receive requests for movement updates through calls to the updateMotion() method each frame.
 * It's up to the actual implementation to determine how to present the movement update. For something attached to an Ogre::SceneNode it would be suitable to update the position and orientation of the scene node.
 */
struct IMovable {

	/**
	 * @brief Dtor.
	 */
	virtual ~IMovable() = default;

	/**
	 * @brief Called each frame to inform the implementation that it needs to update the motion.
	 * @param timeSlice The current time slice, in seconds.
	 */
	virtual void updateMotion(float timeSlice) = 0;
};

}



#endif /* IMOVABLE_H_ */
