makVrv::DtShaderEffectSnow Class Reference

DtShaderEffectSnow injects custom shaders into the scene, Handles snow on the ground causing the ground to look covered by snow. Also adds an effect to road areas which show snow blowing over the road.

Inheritance diagram for makVrv::DtShaderEffectSnow:

Public Member Functions
virtual	~DtShaderEffectSnow ()
	DtShaderEffectSnow (DtDe &de)
	DtShaderEffectSnow ()=delete
	DtShaderEffectSnow (const DtShaderEffectSnow &)=delete
DtShaderEffectSnow &	operator= (const DtShaderEffectSnow &)=delete
virtual void	initializeEffect (const std::vector< osg::StateSet * > &statesets)
virtual void	releaseGLObjects (osg::State *state) override
virtual void	registerWeatherEffectsObject (DtOsgWeatherEffectsObject *weatherEffectsObject)
virtual void	reloadShader ()
virtual void	updateImGui ()
virtual void	updateUniforms ()
virtual void	setCameraLocation (const DtVector &location)
virtual const DtVector &	cameraLocation () const
virtual void	setWindSpeed (float speed)
virtual void	setWindDirection (float direction)
Public Member Functions inherited from makVrv::DtShaderEffect
virtual	~DtShaderEffect ()
	DtShaderEffect ()=delete
	DtShaderEffect (const DtShaderEffect &)=delete
DtShaderEffect &	operator= (const DtShaderEffect &)=delete
virtual void	updateTextureUniforms ()
virtual void	setEffectDirty (bool dirty)
virtual bool	effectDirty ()
Public Member Functions inherited from makVrv::DtVirtualBaseClass
	DtVirtualBaseClass ()
virtual	~DtVirtualBaseClass ()

Static Public Member Functions
static const std::string &	theClassName ()

Protected Member Functions
virtual void	installShader (const std::vector< osg::StateSet * > &stateSets)
virtual void	uninstallShader (const std::vector< osg::StateSet * > &stateSets)
virtual void	updateEnabledState ()
virtual void	slot_snowAccumulationChanged (double depth)
virtual void	slot_snowRoadAccumulationChanged (double depth)
virtual void	slot_snowMinimumElevationChanged (double elevation)
virtual void	slot_snowElevationTransitionChanged (double elevation)
virtual void	slot_PreObserverUpdate (double simTime)
Protected Member Functions inherited from makVrv::DtShaderEffect
	DtShaderEffect (DtDe &de)
virtual int	loadShaderEffectTexture (const std::string &filename, const std::string &uniformName)
virtual int	addShaderEffectTexture (osg::Texture *shaderEffectTexture, const DtIndirectTexturePrototype *vrvTexture, const std::string &uniformName)

Protected Attributes
DtSignalConnectionManager	myConnections
osg::ref_ptr< osg::Uniform >	myEnableSnowUniform
osg::ref_ptr< osg::Uniform >	mySnowUpThresholdUniform
osg::ref_ptr< osg::Uniform >	mySnowColorUniform
osg::ref_ptr< osg::Uniform >	mySnowMaskedRoadUniform
osg::ref_ptr< osg::Uniform >	mySnowWindUniform
osg::ref_ptr< osg::Uniform >	mySnowPolyMaskUniform
GLuint	mySnowEffectTextureId
GLuint64	mySnowEffectImageHandle
osg::ref_ptr< osg::Texture2D >	mySnowEffectTexture
const DtIndirectTexturePrototype *	mySnowEffectVrvTexture = nullptr
DtIndirectGlTextureObject *	mySnowEffectTextureBindless = nullptr
bool	mySnowEnabled
bool	myImGuiSnowEnabled
float	mySnowUpThresholdRange
float	mySnowUpThresholdMin
float	mySnowElevationMin
float	mySnowElevationRange
float	mySnowMaskedRoadMax
float	mySnowMaskedRoadRange
bool	myEnableBlowingSnow
osg::Vec4	mySnowColor
osg::Vec4	myWindUniform
float	myWindOffset
double	myLastSimulationTime
DtVector	myCameraLocation
double	myCameraAltitude
DtOsgWeatherEffectsObject *	myWeatherEffectsObject
Protected Attributes inherited from makVrv::DtShaderEffect
DtDe &	myDe
TextureDataPtrVector	myShaderEffectTextures
bool	myEffectDirty
DtIndirectGlTextureObjectManager &	myIndirectGlTextureObjectManager
DtOsgRenderer &	myOsgRenderer

Friends
class	DtSnowEffectGeneration

Additional Inherited Members
Public Types inherited from makVrv::DtShaderEffect
typedef std::vector < DtShaderEffectTextureData >	TextureDataPtrVector

Constructor & Destructor Documentation

virtual makVrv::DtShaderEffectSnow::~DtShaderEffectSnow ( )

virtual

DTOR.

makVrv::DtShaderEffectSnow::DtShaderEffectSnow

(

DtDe &

de

)

constructor

makVrv::DtShaderEffectSnow::DtShaderEffectSnow ( )

delete

unimplemented private default constructor

makVrv::DtShaderEffectSnow::DtShaderEffectSnow ( const DtShaderEffectSnow &  )

delete

Copy Constructor not implemented – Copy not allowed.

Member Function Documentation

DtShaderEffectSnow& makVrv::DtShaderEffectSnow::operator= ( const DtShaderEffectSnow &  )

delete

Assignment Operator not implemented – Copy not allowed.

virtual void makVrv::DtShaderEffectSnow::initializeEffect ( const std::vector< osg::StateSet * > &  statesets )

virtual

initializes or reinitializes the effects. Called by DtOsgRenderer at startup and whenever reload shaders is triggered reloads the shader changes if triggered from reload shaders but the texture is not reloaded off disk due to osgFileCache

Reimplemented from makVrv::DtShaderEffect.

virtual void makVrv::DtShaderEffectSnow::releaseGLObjects ( osg::State *  state )

overridevirtual

handle destruction of graphics objects when the context is destroyed

Reimplemented from makVrv::DtShaderEffect.

virtual void makVrv::DtShaderEffectSnow::registerWeatherEffectsObject ( DtOsgWeatherEffectsObject *  weatherEffectsObject )

virtual

called by the DtOsgWeatherEffectsObject constructor to register itself when it is created.

Implements makVrv::DtShaderEffect.

virtual void makVrv::DtShaderEffectSnow::reloadShader ( )

virtual

mark the effect as dirty so the shaders are reloaded.

virtual void makVrv::DtShaderEffectSnow::updateImGui ( )

virtual

update the imgui widgets and readback any changes from them

Implements makVrv::DtShaderEffect.

virtual void makVrv::DtShaderEffectSnow::updateUniforms ( )

virtual

update the uniforms that may need to be changed based on the imgui or regular gui inputs.

Implements makVrv::DtShaderEffect.

virtual void makVrv::DtShaderEffectSnow::setCameraLocation ( const DtVector &  location )

virtual

sets the location for localized effects.

Reimplemented from makVrv::DtShaderEffect.

virtual const DtVector& makVrv::DtShaderEffectSnow::cameraLocation ( ) const

virtual

virtual void makVrv::DtShaderEffectSnow::setWindSpeed ( float  speed )

virtual

Sets the wind speed.

Parameters

speed

The wind speed in meters per second.

Reimplemented from makVrv::DtShaderEffect.

virtual void makVrv::DtShaderEffectSnow::setWindDirection ( float  direction )

virtual

Sets the wind direction.

Parameters

direction

The wind direction in radians from true north (clockwise).

Reimplemented from makVrv::DtShaderEffect.

static const std::string& makVrv::DtShaderEffectSnow::theClassName ( )

static

Get the name this class is registered by.

virtual void makVrv::DtShaderEffectSnow::installShader ( const std::vector< osg::StateSet * > &  stateSets )

protectedvirtual

Install the virtual program shader.

virtual void makVrv::DtShaderEffectSnow::uninstallShader ( const std::vector< osg::StateSet * > &  stateSets )

protectedvirtual

Install the virtual program shader.

virtual void makVrv::DtShaderEffectSnow::updateEnabledState ( )

protectedvirtual

Computes the current enabled state based on the current state values.

virtual void makVrv::DtShaderEffectSnow::slot_snowAccumulationChanged ( double  depth )

protectedvirtual

listen to the snow accumulation changes from the environment

virtual void makVrv::DtShaderEffectSnow::slot_snowRoadAccumulationChanged ( double  depth )

protectedvirtual

listen to the snow road accumulation changes from the environment

virtual void makVrv::DtShaderEffectSnow::slot_snowMinimumElevationChanged ( double  elevation )

protectedvirtual

listen to the snow minimum elevation changes from the environment

virtual void makVrv::DtShaderEffectSnow::slot_snowElevationTransitionChanged ( double  elevation )

protectedvirtual

listen to the snow elevation transition changes from the environment

virtual void makVrv::DtShaderEffectSnow::slot_PreObserverUpdate ( double  simTime )

protectedvirtual

handle the pre objeserver update.

Friends And Related Function Documentation

friend class DtSnowEffectGeneration

friend

Member Data Documentation

DtSignalConnectionManager makVrv::DtShaderEffectSnow::myConnections

protected

osg::ref_ptr<osg::Uniform> makVrv::DtShaderEffectSnow::myEnableSnowUniform

protected

osg::ref_ptr<osg::Uniform> makVrv::DtShaderEffectSnow::mySnowUpThresholdUniform

protected

osg::ref_ptr<osg::Uniform> makVrv::DtShaderEffectSnow::mySnowColorUniform

protected

osg::ref_ptr<osg::Uniform> makVrv::DtShaderEffectSnow::mySnowMaskedRoadUniform

protected

osg::ref_ptr<osg::Uniform> makVrv::DtShaderEffectSnow::mySnowWindUniform

protected

osg::ref_ptr<osg::Uniform> makVrv::DtShaderEffectSnow::mySnowPolyMaskUniform

protected

GLuint makVrv::DtShaderEffectSnow::mySnowEffectTextureId

protected

GLuint64 makVrv::DtShaderEffectSnow::mySnowEffectImageHandle

protected

osg::ref_ptr<osg::Texture2D> makVrv::DtShaderEffectSnow::mySnowEffectTexture

protected

const DtIndirectTexturePrototype* makVrv::DtShaderEffectSnow::mySnowEffectVrvTexture = nullptr

protected

DtIndirectGlTextureObject* makVrv::DtShaderEffectSnow::mySnowEffectTextureBindless = nullptr

protected

bool makVrv::DtShaderEffectSnow::mySnowEnabled

protected

bool makVrv::DtShaderEffectSnow::myImGuiSnowEnabled

protected

float makVrv::DtShaderEffectSnow::mySnowUpThresholdRange

protected

float makVrv::DtShaderEffectSnow::mySnowUpThresholdMin

protected

float makVrv::DtShaderEffectSnow::mySnowElevationMin

protected

float makVrv::DtShaderEffectSnow::mySnowElevationRange

protected

float makVrv::DtShaderEffectSnow::mySnowMaskedRoadMax

protected

float makVrv::DtShaderEffectSnow::mySnowMaskedRoadRange

protected

bool makVrv::DtShaderEffectSnow::myEnableBlowingSnow

protected

osg::Vec4 makVrv::DtShaderEffectSnow::mySnowColor

protected

osg::Vec4 makVrv::DtShaderEffectSnow::myWindUniform

protected

float makVrv::DtShaderEffectSnow::myWindOffset

protected

double makVrv::DtShaderEffectSnow::myLastSimulationTime

protected

DtVector makVrv::DtShaderEffectSnow::myCameraLocation

protected

double makVrv::DtShaderEffectSnow::myCameraAltitude

protected

DtOsgWeatherEffectsObject* makVrv::DtShaderEffectSnow::myWeatherEffectsObject

protected

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

• /data/exports/nrhent7-1/nightly/docs/vrForces.vrf5-2-branch/include/vrvOsg/DtShaderEffectSnow.h