GLLenseFlare.h

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////////////////////////////////////////////////////////////////////////////////
//    Scorched3D (c) 2000-2009
//
//    This file is part of Scorched3D.
//
//    Scorched3D 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.
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//    Scorched3D is distributed in the hope that it will be useful,
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//    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 Scorched3D; if not, write to the Free Software
//    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
////////////////////////////////////////////////////////////////////////////////


// GLLenseFlare.h: interface for the GLLenseFlare class.
//
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_GLLENSEFLARE_H__34C2D198_3739_4402_B9FD_BEE4DF738466__INCLUDED_)
#define AFX_GLLENSEFLARE_H__34C2D198_3739_4402_B9FD_BEE4DF738466__INCLUDED_

#include <common/Vector.h>
#include <common/ProgressCounter.h>
#include <GLEXT/GLTexture.h>

class GLLenseFlare  
{
public:
        static GLLenseFlare *instance();
        void init(ProgressCounter *counter = 0);

        void draw(Vector &flarePos, bool fullFlare, 
                int color=0, float size = 1.0f, float alpha = 1.0f);
        void draw(Vector &flarePos, Vector &flareDirection, int color=0);

protected:
        struct Flare
        {
                int type;
                float scale;
                float loc;            /* postion on axis */
                Vector color1;
                Vector color2;
                Vector color3;
                Vector color4;
        } flare_[12];

        static bool flaresEnabled_;
        static GLLenseFlare *instance_;
        GLTexture flares_[6];
        GLTexture shines_[10];
        int shineTic_;

        void setFlare(int index, int type, float scale, float loc, 
                Vector &color1, Vector &color2, Vector &color3, Vector &color4, float colorScale);

private:
        GLLenseFlare();
        virtual ~GLLenseFlare();
};

#endif // !defined(AFX_GLLENSEFLARE_H__34C2D198_3739_4402_B9FD_BEE4DF738466__INCLUDED_)

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