Crazy Eddie's GUI System
0.8.4
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00001 /*********************************************************************** 00002 created: Tue Feb 17 2009 00003 author: Paul D Turner 00004 *************************************************************************/ 00005 /*************************************************************************** 00006 * Copyright (C) 2004 - 2011 Paul D Turner & The CEGUI Development Team 00007 * 00008 * Permission is hereby granted, free of charge, to any person obtaining 00009 * a copy of this software and associated documentation files (the 00010 * "Software"), to deal in the Software without restriction, including 00011 * without limitation the rights to use, copy, modify, merge, publish, 00012 * distribute, sublicense, and/or sell copies of the Software, and to 00013 * permit persons to whom the Software is furnished to do so, subject to 00014 * the following conditions: 00015 * 00016 * The above copyright notice and this permission notice shall be 00017 * included in all copies or substantial portions of the Software. 00018 * 00019 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 00020 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 00021 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 00022 * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR 00023 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 00024 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 00025 * OTHER DEALINGS IN THE SOFTWARE. 00026 ***************************************************************************/ 00027 #ifndef _CEGUIOgreGeometryBuffer_h_ 00028 #define _CEGUIOgreGeometryBuffer_h_ 00029 00030 #include "CEGUI/GeometryBuffer.h" 00031 #include "CEGUI/RendererModules/Ogre/Renderer.h" 00032 #include "CEGUI/Rect.h" 00033 #include "CEGUI/Quaternion.h" 00034 00035 #include <OgreMatrix4.h> 00036 #include <OgreColourValue.h> 00037 #include <OgreRenderOperation.h> 00038 #include <OgreTexture.h> 00039 00040 #include <utility> 00041 #include <vector> 00042 00043 // Ogre forward refs 00044 namespace Ogre 00045 { 00046 class RenderSystem; 00047 } 00048 00049 // Start of CEGUI namespace section 00050 namespace CEGUI 00051 { 00053 class OGRE_GUIRENDERER_API OgreGeometryBuffer : public GeometryBuffer 00054 { 00055 public: 00057 OgreGeometryBuffer(OgreRenderer& owner, Ogre::RenderSystem& rs); 00059 virtual ~OgreGeometryBuffer(); 00060 00062 const Ogre::Matrix4& getMatrix() const; 00063 00064 // implement CEGUI::GeometryBuffer interface. 00065 virtual void draw() const; 00066 virtual void setTranslation(const Vector3f& v); 00067 virtual void setRotation(const Quaternion& r); 00068 virtual void setPivot(const Vector3f& p); 00069 virtual void setClippingRegion(const Rectf& region); 00070 virtual void appendVertex(const Vertex& vertex); 00071 virtual void appendGeometry(const Vertex* const vbuff, uint vertex_count); 00072 virtual void setActiveTexture(Texture* texture); 00073 virtual void reset(); 00074 virtual Texture* getActiveTexture() const; 00075 virtual uint getVertexCount() const; 00076 virtual uint getBatchCount() const; 00077 virtual void setRenderEffect(RenderEffect* effect); 00078 virtual RenderEffect* getRenderEffect(); 00079 void setClippingActive(const bool active); 00080 bool isClippingActive() const; 00081 00082 protected: 00084 Ogre::RGBA colourToOgre(const Colour& col) const; 00086 void updateMatrix() const; 00088 void syncHardwareBuffer() const; 00090 void initialiseTextureStates() const; 00091 00093 struct OgreVertex 00094 { 00095 float x, y, z; 00096 Ogre::RGBA diffuse; 00097 float u, v; 00098 }; 00099 00101 struct BatchInfo 00102 { 00103 Ogre::TexturePtr texture; 00104 uint vertexCount; 00105 bool clip; 00106 }; 00107 00109 OgreRenderer& d_owner; 00111 Ogre::RenderSystem& d_renderSystem; 00113 OgreTexture* d_activeTexture; 00115 Rectf d_clipRect; 00117 bool d_clippingActive; 00119 Vector3f d_translation; 00121 Quaternion d_rotation; 00123 Vector3f d_pivot; 00125 RenderEffect* d_effect; 00127 Vector2f d_texelOffset; 00129 mutable Ogre::Matrix4 d_matrix; 00131 mutable bool d_matrixValid; 00133 mutable Ogre::RenderOperation d_renderOp; 00135 mutable Ogre::HardwareVertexBufferSharedPtr d_hwBuffer; 00137 mutable bool d_sync; 00139 typedef std::vector<BatchInfo> BatchList; 00141 BatchList d_batches; 00143 typedef std::vector<OgreVertex> VertexList; 00145 VertexList d_vertices; 00146 }; 00147 00148 00149 } // End of CEGUI namespace section 00150 00151 #endif // end of guard _CEGUIOgreGeometryBuffer_h_