Crazy Eddies GUI System: CEGUIOgreGeometryBuffer.h Source File

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CEGUIOgreGeometryBuffer.h

    00001 /***********************************************************************
    00002     filename:   CEGUIOgreGeometryBuffer.h
    00003     created:    Tue Feb 17 2009
    00004     author:     Paul D Turner
    00005 *************************************************************************/
    00006 /***************************************************************************
    00007  *   Copyright (C) 2004 - 2010 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 _CEGUIOgreGeometryBuffer_h_
    00029 #define _CEGUIOgreGeometryBuffer_h_
    00030
    00031 #include "../../CEGUIGeometryBuffer.h"
    00032 #include "CEGUIOgreRenderer.h"
    00033 #include "../../CEGUIRect.h"
    00034
    00035 #include <OgreMatrix4.h>
    00036 #include <OgreColourValue.h>
    00037 #include <OgreRenderOperation.h>
    00038
    00039 #include <utility>
    00040 #include <vector>
    00041
    00042 // Ogre forward refs
    00043 namespace Ogre
    00044 {
    00045 class RenderSystem;
    00046 }
    00047
    00048 // Start of CEGUI namespace section
    00049 namespace CEGUI
    00050 {
    00052 class OGRE_GUIRENDERER_API OgreGeometryBuffer : public GeometryBuffer
    00053 {
    00054 public:
    00056     OgreGeometryBuffer(OgreRenderer& owner, Ogre::RenderSystem& rs);
    00058     virtual ~OgreGeometryBuffer();
    00059
    00061     const Ogre::Matrix4& getMatrix() const;
    00062
    00063     // implement CEGUI::GeometryBuffer interface.
    00064     void draw() const;
    00065     void setTranslation(const Vector3& v);
    00066     void setRotation(const Vector3& r);
    00067     void setPivot(const Vector3& p);
    00068     void setClippingRegion(const Rect& region);
    00069     void appendVertex(const Vertex& vertex);
    00070     void appendGeometry(const Vertex* const vbuff, uint vertex_count);
    00071     void setActiveTexture(Texture* texture);
    00072     void reset();
    00073     Texture* getActiveTexture() const;
    00074     uint getVertexCount() const;
    00075     uint getBatchCount() const;
    00076     void setRenderEffect(RenderEffect* effect);
    00077     RenderEffect* getRenderEffect();
    00078
    00079 protected:
    00081     Ogre::RGBA colourToOgre(const colour& col) const;
    00083     void updateMatrix() const;
    00085     void syncHardwareBuffer() const;
    00087     void initialiseTextureStates() const;
    00088
    00090     struct OgreVertex
    00091     {
    00092         float x, y, z;
    00093         Ogre::RGBA diffuse;
    00094         float u, v;
    00095     };
    00096
    00098     OgreRenderer& d_owner;
    00100     Ogre::RenderSystem& d_renderSystem;
    00102     OgreTexture* d_activeTexture;
    00104     Rect d_clipRect;
    00106     Vector3 d_translation;
    00108     Vector3 d_rotation;
    00110     Vector3 d_pivot;
    00112     RenderEffect* d_effect;
    00114     Vector2 d_texelOffset;
    00116     mutable Ogre::Matrix4 d_matrix;
    00118     mutable bool d_matrixValid;
    00120     mutable Ogre::RenderOperation d_renderOp;
    00122     mutable Ogre::HardwareVertexBufferSharedPtr d_hwBuffer;
    00124     mutable bool d_sync;
    00126     typedef std::pair<Ogre::TexturePtr, uint> BatchInfo;
    00128     typedef std::vector<BatchInfo> BatchList;
    00130     BatchList d_batches;
    00132     typedef std::vector<OgreVertex> VertexList;
    00134     VertexList d_vertices;
    00135 };
    00136
    00137
    00138 } // End of  CEGUI namespace section
    00139
    00140 #endif  // end of guard _CEGUIOgreGeometryBuffer_h_