// 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_VIEW_POLYGON_H
#define RZ_VIEW_POLYGON_H

#include "view_base.h"
#include "view_renderer.h"
//
#include "nel/misc/geom_ext.h"
#include "nel/misc/polygon.h"

/** Display of an arbitrary polygon in the ui.
  * polygon is clipped & batched
  *
  * \author Nicolas Vizerie
  * \author Nevrax France
  * \date 1/2006
  */
class CViewPolygon : public CViewBase
{
public:
	CViewPolygon();
	virtual uint32 getMemory() { return (uint32)(sizeof(*this)+_Id.size()); }
	virtual void updateCoords();
	virtual void draw();
	void	setVertices(const std::vector<NLMISC::CVector> &vertices);
	// color
	void			setColorRGBA(NLMISC::CRGBA col) { _Color = col; }
	NLMISC::CRGBA	getColorRGBA() const { return _Color; }
	// from CViewBase
	virtual sint32 getAlpha() const { return (sint32) _Color.A; }
	virtual void setAlpha (sint32 a);
private:
	NLMISC::CPolygon _Poly;
	bool _Touched;
	NLMISC::CRGBA				   _Color;
	std::vector<NLMISC::CTriangle> _Tris;
	std::vector<NLMISC::CTriangle> _RealTris; // clipped tris in screen coordinates
};

#endif