/*
 Animata

 Copyright (C) 2007 Peter Nemeth, Gabor Papp, Bence Samu
 Kitchen Budapest, <http://animata.kibu.hu/>

 This file is part of Animata.

 Animata 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.

 Animata 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 Animata. If not, see <http://www.gnu.org/licenses/>.

*/

#ifndef __JOINT_H__
#define __JOINT_H__

namespace Animata
{

/// Endpoints of Bone.
class Joint
{
	public:
		float x; ///< x-coordinate
		float y; ///< y-coordinate
		float vx; ///< x view coordinate
		float vy; ///< y view coordinate

		bool fixed; ///< fixed state
		bool selected; ///< selection state
		bool dragged; ///< set to true if the joint is dragged

		bool osc; ///< joint parameters are transmitted via osc if true

		/** timestamp of last drag, needed when joints are moved as part of a
		 * bone to move joints only once per frame
		 */
		int dragTS;

		Joint(float x, float y);

		const char *getName(void);
		void setName(const char *str);

		void simulate(void);
		void draw(int dragged = 0, int active = 1);
		void flipSelection(void);

		void drag(float dx, float dy, int timeStamp = 0);

	private:
		char name[16];
};

} /* namespace Animata */

#endif