irrlichtrenderer.h

/***********************************************************************
        filename:       irrlichtrenderer.h
        created:        20/7/2004
        author:         Thomas Suter
*************************************************************************/
/***************************************************************************
 *   Copyright (C) 2004 - 2006 Paul D Turner & The CEGUI Development Team
 *
 *   Permission is hereby granted, free of charge, to any person obtaining
 *   a copy of this software and associated documentation files (the
 *   "Software"), to deal in the Software without restriction, including
 *   without limitation the rights to use, copy, modify, merge, publish,
 *   distribute, sublicense, and/or sell copies of the Software, and to
 *   permit persons to whom the Software is furnished to do so, subject to
 *   the following conditions:
 *
 *   The above copyright notice and this permission notice shall be
 *   included in all copies or substantial portions of the Software.
 *
 *   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 *   EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 *   MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
 *   IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
 *   OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 *   ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 *   OTHER DEALINGS IN THE SOFTWARE.
 ***************************************************************************/
#ifndef _CEGUI_IrrlichtRenderer_h_
#define _CEGUI_IrrlichtRenderer_h_

#include "IrrlichtRendererDef.h"
#include "irrlichttexture.h"
#include "IrrlichtResourceProvider.h"

#include "CEGUIRenderer.h"
#include "CEGUIInputEvent.h"

#include <irrlicht.h>

#include <vector>
#include <algorithm>

#if defined(_MSC_VER)
#       pragma warning(push)
#       pragma warning(disable : 4251)
#endif

namespace CEGUI
{

        class EventPusher;

        class IRRLICHT_GUIRENDERER_API IrrlichtRenderer: public Renderer
        {
        public:

                IrrlichtRenderer(irr::IrrlichtDevice* dev,bool bWithIrrlichtResourceProvicer=false);

                virtual ~IrrlichtRenderer();


                virtual ResourceProvider* createResourceProvider(void);

                bool OnEvent(const irr::SEvent& event);


                /*************************************************************************
                Abstract interface methods
                *************************************************************************/
                virtual void    addQuad(const Rect& dest_rect, float z, const Texture* tex,
                        const Rect& texture_rect, const ColourRect& colours, QuadSplitMode quad_split_mode);


                virtual void    doRender(void);


                virtual void    clearRenderList(void);


                virtual void    setQueueingEnabled(bool setting);


                virtual Texture*        createTexture(void);


                virtual Texture*        createTexture(const String& filename, const String& resourceGroup);


                virtual Texture*        createTexture(float size);


                virtual void            destroyTexture(Texture* texture);


                virtual void            destroyAllTextures(void);


                virtual bool    isQueueingEnabled(void) const;


                virtual float   getWidth(void) const;


                virtual float   getHeight(void) const;


                virtual Size    getSize(void) const;


                virtual Rect    getRect(void) const;


                virtual uint    getMaxTextureSize(void) const;


                virtual uint    getHorzScreenDPI(void) const;


                virtual uint    getVertScreenDPI(void) const;

    void setDisplaySize(const Size& sz);

                private:

                        // the irrlicht device
                        irr::IrrlichtDevice* device;
                        // video driver
                        irr::video::IVideoDriver* driver;
                        // window width,height
                        irr::core::dimension2d<irr::s32> resolution;
                        // screen resolution
                        irr::core::dimension2d<irr::s32> screensize;

                        // is queueing enabled
                        bool bQueuingEnabled;
                        // is quad queue sorted
                        bool bSorted;
                        // enable irrlicht resource provider
                        bool bWithIrrlichtResourceProvicer;

                        // quad structure used for rendering the gui
                        struct RenderQuad
                        {
                                RenderQuad(){};

                                RenderQuad(float zVal,
                                        const irr::core::rect<irr::s32>& target,
                                        const irr::core::rect<irr::s32>& source,
                                        ColourRect col,const Texture*t)
                                        :z(zVal),dst(target),src(source),colours(col){
                                                tex=(IrrlichtTexture*)t;
                                        };

                                float z;
                                irr::core::rect<irr::s32> dst;
                                irr::core::rect<irr::s32> src;
                                ColourRect colours;
                                IrrlichtTexture* tex;
                        };

                        RenderQuad dummyQuad;

                        // std sorting RenderQuad class
                        struct quadsorter
                                : public std::binary_function<RenderQuad*, RenderQuad*, bool>
                        {
                                bool operator()(const RenderQuad& _Left, const RenderQuad& _Right) const
                                {return (_Left.z > _Right.z);}
                        };

                        // list ot quads we want to render
                        std::vector<RenderQuad> renderlist;

                        // list of textures used for rendering
                        std::vector<IrrlichtTexture*> textures;

                        // sort the quads in the renderlist
                        void sortQuads();

                        // render the quad
                        void doRender(RenderQuad& quad);

                        // print some debug output
                        void print(RenderQuad& quad);

                        // convert cegui colour to irrlicht scolor
                        inline irr::video::SColor toIrrlichtColor(CEGUI::ulong cecolor);
                        irr::video::SColor colors[4];



                        EventPusher* eventpusher;

        };

} // End of  CEGUI namespace section

#if defined(_MSC_VER)
#       pragma warning(pop)
#endif

#endif