// Ryzom - MMORPG Framework <http://dev.ryzom.com/projects/ryzom/>
// Copyright (C) 2010  Winch Gate Property Limited
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero 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 Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.



#ifndef RZ_INTERFACE_ANIM_H
#define RZ_INTERFACE_ANIM_H

#include "interface_property.h"
#include "interface_group.h"
#include "interface_link.h"

#include "nel/3d/u_track.h"

/**
 * class managing an animation track
 * \author Matthieu 'TrapII' Besson
 * \author Nevrax France
 * \date 2003
 */
class CInterfaceTrack
{

public:

	CInterfaceTrack();
	virtual ~CInterfaceTrack();

	virtual bool parse (xmlNodePtr cur, CInterfaceGroup *parentGroup);

	void update (double currentTime);

	bool isDynamic () { return _Dynamic; }

	void eval(); // Evaluate dynamic keys

private:

	enum ETrackType
	{
		Track_Linear,
		Track_TCB,
		Track_Bezier
	};

	struct SDynKey
	{
		std::string Time;
		std::string Value;
		std::string InTan;
		std::string OutTan;
		std::string Step;
		std::string Tension;
		std::string Continuity;
		std::string Bias;
		std::string EaseTo;
		std::string EaseFrom;
	};

	bool					_Dynamic;
	std::vector<SDynKey>	_DynKeys;

	ETrackType _Type;
	NL3D::UTrackKeyframer *_TrackKeyFramer;
	std::vector<CInterfaceLink::CTargetInfo> _Targets;
};

/**
 * class managing an animation of the interface
 * \author Matthieu 'TrapII' Besson
 * \author Nevrax France
 * \date 2003
 */
class CInterfaceAnim
{

public:

	CInterfaceAnim();
	virtual ~CInterfaceAnim();

	virtual bool parse (xmlNodePtr cur, CInterfaceGroup *parentGroup);

	void update();
	void start();
	void stop();

	bool isFinished() { return _Finished; }
	bool isDisableButtons() { return _DisableButtons; }

protected:

	CInterfaceGroup *_Parent;

	// Parsed properties
	double _Duration;
	bool _DisableButtons;

	std::string _AHOnFinish;
	std::string _AHOnFinishParams;

	std::string _Id;

	std::vector<CInterfaceTrack*> _Tracks;

	// Current anim
	double _CurrentTime;
	bool _Finished;
	bool _AnimHasToBeStopped;

};

#endif // NL_INTERFACE_ANIM_H

/* End of interface_anim.h */