gelRenderSystem.h

Go to the documentation of this file.

/*
Gel2D Game Engine - Cross-platform 2D gaming middleware
Copyright (C) 2011 Mark D. Procarione

Gel2D 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.

Gel2D 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.
*/

#ifndef __GELRENDERSYSTEM_H__
#define __GELRENDERSYSTEM_H__

#include "gelViewport.h"
#include "gelMatrix.h"

namespace gel
{
    class GelCamera;


    class GelRenderSystem
    {
        public:
            GelRenderSystem();

            virtual ~GelRenderSystem();

            RenderAPI getType() const { return type; }


            virtual void beginScene();


            virtual void endScene();

            virtual void setViewport( GelViewport vp );

            virtual GelViewport const getViewport() { return activeViewport; }


            virtual void updateViewport();

            virtual void setActiveCamera( GelCamera *cam ) { activeCamera = cam; }

            virtual void setClearColor( GelColor col );


            virtual void clearBuffers( bool color, bool depth, bool stencil );


                        virtual void drawArrays( int mode, int start, int count );

            virtual void transformView( const Gel3x3Matrix &mat );
            virtual void transformWorld( const Gel3x3Matrix &mat );
            virtual void transformModel( const Gel3x3Matrix &mat );

                        virtual Gel2dVec getWorldCoords( int x, int y );


                        virtual void takeScreenshot( const char *filename, ImageType ff, ColorMode cmode );

        protected:
            RenderAPI type;
            GelViewport activeViewport;
            GelCamera *activeCamera;
    };
}

#endif // __GELRENDERSYSTEM_H__