Crazy Eddies GUI System 0.7.5

CEGUIOgreRenderTarget.h

00001 /***********************************************************************
00002     filename:   CEGUIOgreRenderTarget.h
00003     created:    Tue Feb 17 2009
00004     author:     Paul D Turner
00005 *************************************************************************/
00006 /***************************************************************************
00007  *   Copyright (C) 2004 - 2009 Paul D Turner & The CEGUI Development Team
00008  *
00009  *   Permission is hereby granted, free of charge, to any person obtaining
00010  *   a copy of this software and associated documentation files (the
00011  *   "Software"), to deal in the Software without restriction, including
00012  *   without limitation the rights to use, copy, modify, merge, publish,
00013  *   distribute, sublicense, and/or sell copies of the Software, and to
00014  *   permit persons to whom the Software is furnished to do so, subject to
00015  *   the following conditions:
00016  *
00017  *   The above copyright notice and this permission notice shall be
00018  *   included in all copies or substantial portions of the Software.
00019  *
00020  *   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
00021  *   EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
00022  *   MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
00023  *   IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
00024  *   OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
00025  *   ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
00026  *   OTHER DEALINGS IN THE SOFTWARE.
00027  ***************************************************************************/
00028 #ifndef _CEGUIOgreRenderTarget_h_
00029 #define _CEGUIOgreRenderTarget_h_
00030 
00031 #include "../../CEGUIRenderTarget.h"
00032 #include "CEGUIOgreRenderer.h"
00033 #include "../../CEGUIRect.h"
00034 #include <OgreMatrix4.h>
00035 
00036 // Start of CEGUI namespace section
00037 namespace CEGUI
00038 {
00040 class OGRE_GUIRENDERER_API OgreRenderTarget : public virtual RenderTarget
00041 {
00042 public:
00044     OgreRenderTarget(OgreRenderer& owner, Ogre::RenderSystem& rs);
00045 
00047     virtual ~OgreRenderTarget();
00048 
00062     void setOgreViewportDimensions(const Rect& area);
00063 
00064     // implement parts of CEGUI::RenderTarget interface
00065     void draw(const GeometryBuffer& buffer);
00066     void draw(const RenderQueue& queue);
00067     void setArea(const Rect& area);
00068     const Rect& getArea() const;
00069     void activate();
00070     void deactivate();
00071     void unprojectPoint(const GeometryBuffer& buff,
00072                         const Vector2& p_in, Vector2& p_out) const;
00073 
00074 protected:
00076     void updateMatrix() const;
00078     void updateViewport();
00080     void updateOgreViewportDimensions(const Ogre::RenderTarget* const rt);
00081 
00083     OgreRenderer& d_owner;
00085     Ogre::RenderSystem& d_renderSystem;
00087     Rect d_area;
00089     Ogre::RenderTarget* d_renderTarget;
00091     Ogre::Viewport* d_viewport;
00093     mutable Ogre::Matrix4 d_matrix;
00095     mutable bool d_matrixValid;
00097     mutable float d_viewDistance;
00099     bool d_viewportValid;
00101     Rect d_ogreViewportDimensions;
00102 };
00103 
00104 } // End of  CEGUI namespace section
00105 
00106 #endif  // end of guard _CEGUIOgreRenderTarget_h_