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CEGUIOgreRenderTarget.h
1 /***********************************************************************
2  filename: CEGUIOgreRenderTarget.h
3  created: Tue Feb 17 2009
4  author: Paul D Turner
5 *************************************************************************/
6 /***************************************************************************
7  * Copyright (C) 2004 - 2009 Paul D Turner & The CEGUI Development Team
8  *
9  * Permission is hereby granted, free of charge, to any person obtaining
10  * a copy of this software and associated documentation files (the
11  * "Software"), to deal in the Software without restriction, including
12  * without limitation the rights to use, copy, modify, merge, publish,
13  * distribute, sublicense, and/or sell copies of the Software, and to
14  * permit persons to whom the Software is furnished to do so, subject to
15  * the following conditions:
16  *
17  * The above copyright notice and this permission notice shall be
18  * included in all copies or substantial portions of the Software.
19  *
20  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
21  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
22  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
23  * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
24  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
25  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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27  ***************************************************************************/
28 #ifndef _CEGUIOgreRenderTarget_h_
29 #define _CEGUIOgreRenderTarget_h_
30 
31 #include "../../CEGUIRenderTarget.h"
32 #include "CEGUIOgreRenderer.h"
33 #include "../../CEGUIRect.h"
34 #include <OgreMatrix4.h>
35 
36 // Start of CEGUI namespace section
37 namespace CEGUI
38 {
40 class OGRE_GUIRENDERER_API OgreRenderTarget : public virtual RenderTarget
41 {
42 public:
44  OgreRenderTarget(OgreRenderer& owner, Ogre::RenderSystem& rs);
45 
47  virtual ~OgreRenderTarget();
48 
62  void setOgreViewportDimensions(const Rect& area);
63 
64  // implement parts of CEGUI::RenderTarget interface
65  void draw(const GeometryBuffer& buffer);
66  void draw(const RenderQueue& queue);
67  void setArea(const Rect& area);
68  const Rect& getArea() const;
69  void activate();
70  void deactivate();
71  void unprojectPoint(const GeometryBuffer& buff,
72  const Vector2& p_in, Vector2& p_out) const;
73 
74 protected:
76  void updateMatrix() const;
78  void updateViewport();
80  void updateOgreViewportDimensions(const Ogre::RenderTarget* const rt);
81 
85  Ogre::RenderSystem& d_renderSystem;
89  Ogre::RenderTarget* d_renderTarget;
91  Ogre::Viewport* d_viewport;
93  mutable Ogre::Matrix4 d_matrix;
95  mutable bool d_matrixValid;
97  mutable float d_viewDistance;
102 };
103 
104 } // End of CEGUI namespace section
105 
106 #endif // end of guard _CEGUIOgreRenderTarget_h_
OgreRenderer & d_owner
OgreRenderer object that owns this RenderTarget.
Definition: CEGUIOgreRenderTarget.h:83
Class used as a two dimensional vector (aka a Point)
Definition: CEGUIVector.h:45
CEGUI::Renderer implementation for the Ogre engine.
Definition: CEGUIOgreRenderer.h:72
Rect d_area
holds defined area for the RenderTarget
Definition: CEGUIOgreRenderTarget.h:87
Ogre::Viewport * d_viewport
Ogre viewport used for this target.
Definition: CEGUIOgreRenderTarget.h:91
Ogre::Matrix4 d_matrix
projection / view matrix cache
Definition: CEGUIOgreRenderTarget.h:93
Abstract class defining the interface for objects that buffer geometry for later rendering.
Definition: CEGUIGeometryBuffer.h:42
bool d_matrixValid
true when d_matrix is valid and up to date
Definition: CEGUIOgreRenderTarget.h:95
float d_viewDistance
tracks viewing distance (this is set up at the same time as d_matrix)
Definition: CEGUIOgreRenderTarget.h:97
bool d_viewportValid
true when d_viewport is up to date and valid.
Definition: CEGUIOgreRenderTarget.h:99
Defines interface to some surface that can be rendered to. Concrete instances of objects that impleme...
Definition: CEGUIRenderTarget.h:42
Rect d_ogreViewportDimensions
holds set Ogre viewport dimensions
Definition: CEGUIOgreRenderTarget.h:101
Class that represents a queue of GeometryBuffer objects to be rendered.
Definition: CEGUIRenderQueue.h:53
Intermediate RenderTarget implementing common parts for Ogre engine.
Definition: CEGUIOgreRenderTarget.h:40
Ogre::RenderSystem & d_renderSystem
Ogre RendererSystem used to affect the rendering process.
Definition: CEGUIOgreRenderTarget.h:85
Ogre::RenderTarget * d_renderTarget
Ogre render target that we are effectively wrapping.
Definition: CEGUIOgreRenderTarget.h:89
Class encapsulating operations on a Rectangle.
Definition: CEGUIRect.h:44