/usr/include/cegui-0.8.7/CEGUI/RendererModules/Irrlicht/GeometryBuffer.h is in libcegui-mk2-dev 0.8.7-1.3+b2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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created: Tue Mar 3 2009
author: Paul D Turner (parts based on original code by Thomas Suter)
*************************************************************************/
/***************************************************************************
* Copyright (C) 2004 - 2011 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 _CEGUIIrrlichtGeometryBuffer_h_
#define _CEGUIIrrlichtGeometryBuffer_h_
#include "CEGUI/RendererModules/Irrlicht/RendererDef.h"
#include "CEGUI/GeometryBuffer.h"
#include "CEGUI/Rect.h"
#include "CEGUI/Vector.h"
#include <irrlicht.h>
#include <vector>
#if defined(_MSC_VER)
# pragma warning(push)
# pragma warning(disable : 4251)
#endif
// Start of CEGUI namespace section
namespace CEGUI
{
class IrrlichtTexture;
//! GeometryBuffer implementation for the Irrlicht engine.
class IRR_GUIRENDERER_API IrrlichtGeometryBuffer : public GeometryBuffer
{
public:
//! constructor
IrrlichtGeometryBuffer(irr::video::IVideoDriver& driver);
//! return the transformation matrix used for this buffer.
const irr::core::matrix4& getMatrix() const;
//! return reference to the Irrlicht material used with this GeometryBuffer.
irr::video::SMaterial& getMaterial();
//! return reference to the Irrlicht material used with this GeometryBuffer.
const irr::video::SMaterial& getMaterial() const;
// implement GeometryBuffer interface
void draw() const;
void setTranslation(const Vector3f& v);
void setRotation(const Quaternion& r);
void setPivot(const Vector3f& p);
void setClippingRegion(const Rectf& region);
void appendVertex(const Vertex& vertex);
void appendGeometry(const Vertex* const vbuff, uint vertex_count);
void setActiveTexture(Texture* texture);
void reset();
Texture* getActiveTexture() const;
uint getVertexCount() const;
uint getBatchCount() const;
void setRenderEffect(RenderEffect* effect);
RenderEffect* getRenderEffect();
void setClippingActive(const bool active);
bool isClippingActive() const;
// overrides of GeometryBuffer base functions.
void setBlendMode(const BlendMode mode);
protected:
//! update cached matrix
void updateMatrix() const;
void setupClipping() const;
void cleanupClipping() const;
//! type to track info for per-texture sub batches of geometry
struct BatchInfo
{
irr::video::ITexture* texture;
uint vertexCount;
bool clip;
};
//! Irrlicht video driver we're to use.
irr::video::IVideoDriver& d_driver;
//! Texture that is set as active
IrrlichtTexture* d_activeTexture;
//! material used with the texture for rendering.
mutable irr::video::SMaterial d_material;
//! rectangular clip region
Rectf d_clipRect;
//! whether clipping will be active for the current batch
bool d_clippingActive;
//! translation vector
irr::core::vector3d<irr::f32> d_translation;
//! rotation quaternion
irr::core::quaternion d_rotation;
//! pivot point for rotation
irr::core::vector3d<irr::f32> d_pivot;
//! RenderEffect that will be used by the GeometryBuffer
RenderEffect* d_effect;
//! model matrix cache
mutable irr::core::matrix4 d_matrix;
//! true when d_matrix is valid and up to date
mutable bool d_matrixValid;
//! type of container that tracks BatchInfos.
typedef std::vector<BatchInfo> BatchList;
//! type of container used to queue the geometry
typedef std::vector<irr::video::S3DVertex> VertexList;
//! type of container used for indexes
typedef std::vector<irr::u16> IndexList;
//! list of texture batches added to the geometry buffer
BatchList d_batches;
//! container where added geometry vertices are stored.
VertexList d_vertices;
//! container where added geometry indices are stored.
IndexList d_indices;
//! a coefficient used to handle OpenGL / D3D projection variations.
const float d_xViewDir;
//! an offset applied to geometry to get correct texel to pixel mapping.
const float d_texelOffset;
//! viewport that was set prior to us initialising clipping
mutable irr::core::rect<irr::s32> d_savedViewport;
//! projection transform that was set priot to us initialising clipping
mutable irr::core::matrix4 d_savedProjection;
};
} // End of CEGUI namespace section
#if defined(_MSC_VER)
# pragma warning(pop)
#endif
#endif // end of guard _CEGUIIrrlichtGeometryBuffer_h_
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