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NL3D::CMeshBlender Class Reference

A tool class used for Alpha Blending of Meshes. More...

#include <mesh_blender.h>

List of all members.

Public Methods

 CMeshBlender ()
 Constructor. More...

void prepareRenderForGlobalAlpha (CMaterial &material, IDriver *drv, float globalAlpha, uint8 globalAlphaInt, bool gaDisableZWrite)
 Modify the material and the driver for Global Alpha Use. More...

void restoreRender (CMaterial &material, IDriver *drv, bool gaDisableZWrite)
 Restore the material and driver in their initial state. More...

void prepareRenderForGlobalAlphaCoarseMesh (CMaterial &material, IDriver *drv, NLMISC::CRGBA color, float globalAlpha, bool gaDisableZWrite)
 Same method, but special for CoarseMesh (used by CMeshMultiLod::renderMeshGeom). More...

void restoreRenderCoarseMesh (CMaterial &material, IDriver *drv, bool gaDisableZWrite)
 Same method, but special for CoarseMesh (used by CMeshMultiLod::renderMeshGeom). More...


Private Attributes

uint8 _BkOpacity
bool _BkZWrite
bool _BkBlend
CMaterial::TBlend _BkSrcBlend
CMaterial::TBlend _BkDstBlend
float _BkAlphaTestThreshold
NLMISC::CRGBA _BkupColor

Detailed Description

A tool class used for Alpha Blending of Meshes.

Actually, it takes a material, modify it and modify driver so it will be correctly rendered. The backup method must be used after render, to restore the material.

Author:
Lionel Berenguier , Nevrax France
Date:
2002

Definition at line 48 of file mesh_blender.h.

Constructor & Destructor Documentation

NL3D::CMeshBlender::CMeshBlender (    )  [inline]
 

Constructor.

Definition at line 53 of file mesh_blender.h.

Member Function Documentation

void NL3D::CMeshBlender::prepareRenderForGlobalAlpha (  CMaterial &    material,
IDriver *    drv,
float    globalAlpha,
uint8    globalAlphaInt,
bool    gaDisableZWrite
) 
 

Modify the material and the driver for Global Alpha Use.

Definition at line 37 of file mesh_blender.cpp.

References _BkAlphaTestThreshold, _BkBlend, _BkDstBlend, _BkOpacity, _BkSrcBlend, and _BkZWrite.

void NL3D::CMeshBlender::prepareRenderForGlobalAlphaCoarseMesh (  CMaterial &    material,
IDriver *    drv,
NLMISC::CRGBA    color,
float    globalAlpha,
bool    gaDisableZWrite
) 
 

Same method, but special for CoarseMesh (used by CMeshMultiLod::renderMeshGeom).

Definition at line 132 of file mesh_blender.cpp.

References _BkDstBlend, _BkSrcBlend, _BkupColor, NLMISC::CRGBA::A, and NL3D::OptFastFloor.

void NL3D::CMeshBlender::restoreRender (  CMaterial &    material,
IDriver *    drv,
bool    gaDisableZWrite
) 
 

Restore the material and driver in their initial state.

Definition at line 99 of file mesh_blender.cpp.

References _BkAlphaTestThreshold, _BkBlend, _BkDstBlend, _BkOpacity, _BkSrcBlend, and _BkZWrite.

void NL3D::CMeshBlender::restoreRenderCoarseMesh (  CMaterial &    material,
IDriver *    drv,
bool    gaDisableZWrite
) 
 

Same method, but special for CoarseMesh (used by CMeshMultiLod::renderMeshGeom).

Definition at line 181 of file mesh_blender.cpp.

References _BkDstBlend, _BkSrcBlend, and _BkupColor.

Member Data Documentation

float NL3D::CMeshBlender::_BkAlphaTestThreshold [private]
 

Definition at line 73 of file mesh_blender.h.

Referenced by prepareRenderForGlobalAlpha, and restoreRender.

bool NL3D::CMeshBlender::_BkBlend [private]
 

Definition at line 70 of file mesh_blender.h.

Referenced by prepareRenderForGlobalAlpha, and restoreRender.

CMaterial::TBlend NL3D::CMeshBlender::_BkDstBlend [private]
 

Definition at line 72 of file mesh_blender.h.

Referenced by prepareRenderForGlobalAlpha, prepareRenderForGlobalAlphaCoarseMesh, restoreRender, and restoreRenderCoarseMesh.

uint8 NL3D::CMeshBlender::_BkOpacity [private]
 

Definition at line 68 of file mesh_blender.h.

Referenced by prepareRenderForGlobalAlpha, and restoreRender.

CMaterial::TBlend NL3D::CMeshBlender::_BkSrcBlend [private]
 

Definition at line 71 of file mesh_blender.h.

Referenced by prepareRenderForGlobalAlpha, prepareRenderForGlobalAlphaCoarseMesh, restoreRender, and restoreRenderCoarseMesh.

NLMISC::CRGBA NL3D::CMeshBlender::_BkupColor [private]
 

Definition at line 74 of file mesh_blender.h.

Referenced by prepareRenderForGlobalAlphaCoarseMesh, and restoreRenderCoarseMesh.

bool NL3D::CMeshBlender::_BkZWrite [private]
 

Definition at line 69 of file mesh_blender.h.

Referenced by prepareRenderForGlobalAlpha, and restoreRender.

The documentation for this class was generated from the following files: