makVrv::DtCloudDrawable Class Reference

A drawable for drawing the cloud layer. More...

Inheritance diagram for makVrv::DtCloudDrawable:

Classes
struct	CubeMapData

Public Types
enum	CubeMapUpdateState { CUBEMAP_CLEAN = 0, CUBEMAP_RENDER = 1, CUBEMAP_MIPMAP = 2 }

Public Member Functions
	DtCloudDrawable (DtSilverliningGroup *parent=0)
	CTOR. More...
	DtCloudDrawable (const DtCloudDrawable &copy, const osg::CopyOp &op)
	CopyCOTR. More...
virtual	~DtCloudDrawable ()
	DTOR. More...
virtual void	releaseGLObjects (osg::State *state) const
	Meta Functions. More...
virtual void	slot_channelDestroyed (DtChannelManager *channelManager, DtChannel *channel)
	connected to the signal_channelToBeDestroyed to cleanup the camera map More...
void	setCrepuscularRays (bool enabled)
	Set whether crepuscular rays (sun rays) effects are on. More...
void	updateCubeMaps (bool fullRegenerate)
	Request an updated cube map with the next draw. More...
unsigned int	getCubeMap (const osg::ref_ptr< const osg::Camera > camera) const
	Returns the latest environmental cube map for a camera, or NULL. More...
unsigned int	getPrimaryCubeMap () const
	Returns the latest environmental cube map for general use, or NULL. More...
virtual void	drawImplementation (osg::RenderInfo &renderInfo) const
	Actually do the drawing. More...
void	setGeocentricMode (bool mode)
	Indicate if we are in a geocentric terrain. More...
virtual void	cleanupCloudLayer (SilverLining::Atmosphere *atm, unsigned int layerHandle)
	Used to cleanup any SilverLining::CloudLayer specific state that the drawable has. More...

Protected Types
typedef std::map < osg::observer_ptr< const osg::Camera >, CubeMapData * >	MapCameraToCubeMapData
typedef std::map < osg::observer_ptr< const osg::Camera >, unsigned long int >	MapOsgCamerasToEnvMapCameraIDs

Protected Member Functions
void	fadeCloudsWithAltitude (double altitudeMSL, SilverLining::CloudLayer *layer)
void	updateCloudAltitudes (const osg::Vec3d &localPosition, SilverLining::Atmosphere *atm)
void	updateShader (osg::Node *node, osg::State &state, SilverLining::Atmosphere *atm) const
void	updateOpenGLState (osg::State &state, SilverLining::Atmosphere *atm, osg::Camera *cam) const
void	setIsReflectionUniform (osg::State &state, SilverLining::Atmosphere *atm, bool isReflection) const
void	connectSingals ()
	Connects all the signals, Non-virtural, called in the ctor. More...
void	initUniforms ()
	setup uniforms More...
virtual void	disconnectSignals ()
	Disconnects all the signals, called in the dtor. More...
virtual void	slot_environmentChanged (const std::string &name)
	Slot when the environment is changed, for example, change from cloudy to snowy. More...
bool	computeHeightAboveTerrain (const osg::Vec3d &localPosition, double &heightOfGround)
void	updateCloudLayerAltitudes (SilverLining::Atmosphere *atm)
virtual void	updateDepthTexture (osg::RenderInfo &renderInfo) const
	Copy the depth buffer from the currently bound frame buffer to a texture that the clouds can use for smoothing clouds near other objects. More...
virtual void	unbindDepthTexture (osg::RenderInfo &renderInfo) const
	After the drawable is done with the depth texture we need to unbind it so SLI is fast. More...
virtual void	updateSoftnessAndSmoothCloudsFromImGui () const
virtual CubeMapData *	getOrCreateCubeMapData (osg::Camera *camera, const osg::Vec3d &camPos) const
virtual void	flushInvalidCamerasForCubeMap (void)
virtual void	flushInvalidCamerasForEnvMap (void)
virtual unsigned long int	getOrCreateCameraHandleForEnvMap (const osg::RenderInfo &renderInfo)

Protected Attributes
std::vector< unsigned int >	myUserShaderVector
DtSilverliningGroup *	myParent
DtDe &	myDe
bool	myCrepuscularRays
bool	myGeocentricFlag
osg::Vec3d	myLastHOTUpdatePos
bool	myForceHOTUpdate
double	myHOT
bool	mySkipUpdateAltitudes
	This flag is used to skip updating the altitude when an environmented changed, since the actual change for silver lining happen in next frame. More...
std::map < SilverLining::CloudLayer *, double >	myOriginalAltitudesMap
MapCameraToCubeMapData	myCubeMapDataMap
unsigned int	myMutableLastFrameNum
unsigned int	myMutablePrimaryCubeMap
osg::ref_ptr< osg::Uniform >	myMutableSoftnessUniform
	mutable due to osg drawImplementation limitations. More...
osg::ref_ptr< osg::Uniform >	myMutableInvPersMatrixUniform
osg::ref_ptr< osg::Uniform >	myMutablePersMatrixUniform
osg::ref_ptr< osg::Uniform >	myMutableViewportUniform
osg::ref_ptr< osg::Uniform >	myMutableIsReflectionUniform
osg::ref_ptr< osg::Uniform >	myMutableViewMatrixInverseUniform
osg::ref_ptr< osg::Uniform >	myMutableIsSunMoonDiskUniform
osg::ref_ptr< osg::Uniform >	myMutableIsStarUniform
osg::ref_ptr< osg::StateSet >	myStateSet
bool	myEnableSmoothClouds
	mutable due to osg drawImplementation limitations. Used for imgui settings for cloud smoothing. More...
float	mySmoothCloudsDist
double	myLastImGuiSimTime
unsigned long int	myNextCameraID
MapOsgCamerasToEnvMapCameraIDs	myMapOsgCamerasToEnvMapCameraIDs
DtSignalConnectionManager	myConnections

Detailed Description

A drawable for drawing the cloud layer.

Member Typedef Documentation

typedef std::map<osg::observer_ptr<const osg::Camera>, CubeMapData *> makVrv::DtCloudDrawable::MapCameraToCubeMapData

protected

typedef std::map< osg::observer_ptr<const osg::Camera>, unsigned long int > makVrv::DtCloudDrawable::MapOsgCamerasToEnvMapCameraIDs

protected

Member Enumeration Documentation

enum makVrv::DtCloudDrawable::CubeMapUpdateState

Enumerator
CUBEMAP_CLEAN
CUBEMAP_RENDER
CUBEMAP_MIPMAP

Constructor & Destructor Documentation

makVrv::DtCloudDrawable::DtCloudDrawable

(

DtSilverliningGroup *

parent = 0

)

CTOR.

makVrv::DtCloudDrawable::DtCloudDrawable	(	const DtCloudDrawable &	copy,
		const osg::CopyOp &	op
	)

CopyCOTR.

virtual makVrv::DtCloudDrawable::~DtCloudDrawable ( )

virtual

DTOR.

Member Function Documentation

virtual void makVrv::DtCloudDrawable::releaseGLObjects ( osg::State *  state ) const

virtual

Meta Functions.

virtual void makVrv::DtCloudDrawable::slot_channelDestroyed ( DtChannelManager *  channelManager, DtChannel *  channel  )

virtual

connected to the signal_channelToBeDestroyed to cleanup the camera map

void makVrv::DtCloudDrawable::setCrepuscularRays

(

bool

enabled

)

Set whether crepuscular rays (sun rays) effects are on.

void makVrv::DtCloudDrawable::updateCubeMaps

(

bool

fullRegenerate

)

Request an updated cube map with the next draw.

unsigned int makVrv::DtCloudDrawable::getCubeMap

(

const osg::ref_ptr< const osg::Camera >

camera

)

const

Returns the latest environmental cube map for a camera, or NULL.

unsigned int makVrv::DtCloudDrawable::getPrimaryCubeMap

(

)

const

Returns the latest environmental cube map for general use, or NULL.

virtual void makVrv::DtCloudDrawable::drawImplementation ( osg::RenderInfo &  renderInfo ) const

virtual

Actually do the drawing.

void makVrv::DtCloudDrawable::setGeocentricMode

(

bool

mode

)

Indicate if we are in a geocentric terrain.

virtual void makVrv::DtCloudDrawable::cleanupCloudLayer ( SilverLining::Atmosphere *  atm, unsigned int  layerHandle  )

virtual

Used to cleanup any SilverLining::CloudLayer specific state that the drawable has.

currently only removes the entry in the default altitude map.

void makVrv::DtCloudDrawable::fadeCloudsWithAltitude ( double  altitudeMSL, SilverLining::CloudLayer *  layer  )

protected

void makVrv::DtCloudDrawable::updateCloudAltitudes ( const osg::Vec3d &  localPosition, SilverLining::Atmosphere *  atm  )

protected

void makVrv::DtCloudDrawable::updateShader ( osg::Node *  node, osg::State &  state, SilverLining::Atmosphere *  atm  ) const

protected

void makVrv::DtCloudDrawable::updateOpenGLState ( osg::State &  state, SilverLining::Atmosphere *  atm, osg::Camera *  cam  ) const

protected

void makVrv::DtCloudDrawable::setIsReflectionUniform ( osg::State &  state, SilverLining::Atmosphere *  atm, bool  isReflection  ) const

protected

void makVrv::DtCloudDrawable::connectSingals ( )

protected

Connects all the signals, Non-virtural, called in the ctor.

void makVrv::DtCloudDrawable::initUniforms ( )

protected

setup uniforms

virtual void makVrv::DtCloudDrawable::disconnectSignals ( )

protectedvirtual

Disconnects all the signals, called in the dtor.

virtual void makVrv::DtCloudDrawable::slot_environmentChanged ( const std::string &  name )

protectedvirtual

Slot when the environment is changed, for example, change from cloudy to snowy.

Parameters

name	The new name of the environment

bool makVrv::DtCloudDrawable::computeHeightAboveTerrain ( const osg::Vec3d &  localPosition, double &  heightOfGround  )

protected

void makVrv::DtCloudDrawable::updateCloudLayerAltitudes ( SilverLining::Atmosphere *  atm )

protected

virtual void makVrv::DtCloudDrawable::updateDepthTexture ( osg::RenderInfo &  renderInfo ) const

protectedvirtual

Copy the depth buffer from the currently bound frame buffer to a texture that the clouds can use for smoothing clouds near other objects.

virtual void makVrv::DtCloudDrawable::unbindDepthTexture ( osg::RenderInfo &  renderInfo ) const

protectedvirtual

After the drawable is done with the depth texture we need to unbind it so SLI is fast.

virtual void makVrv::DtCloudDrawable::updateSoftnessAndSmoothCloudsFromImGui ( ) const

protectedvirtual

virtual CubeMapData* makVrv::DtCloudDrawable::getOrCreateCubeMapData ( osg::Camera *  camera, const osg::Vec3d &  camPos  ) const

protectedvirtual

virtual void makVrv::DtCloudDrawable::flushInvalidCamerasForCubeMap ( void  )

protectedvirtual

virtual void makVrv::DtCloudDrawable::flushInvalidCamerasForEnvMap ( void  )

protectedvirtual

virtual unsigned long int makVrv::DtCloudDrawable::getOrCreateCameraHandleForEnvMap ( const osg::RenderInfo &  renderInfo )

protectedvirtual

Member Data Documentation

std::vector<unsigned int> makVrv::DtCloudDrawable::myUserShaderVector

mutableprotected

DtSilverliningGroup* makVrv::DtCloudDrawable::myParent

protected

DtDe& makVrv::DtCloudDrawable::myDe

protected

bool makVrv::DtCloudDrawable::myCrepuscularRays

protected

bool makVrv::DtCloudDrawable::myGeocentricFlag

protected

osg::Vec3d makVrv::DtCloudDrawable::myLastHOTUpdatePos

protected

bool makVrv::DtCloudDrawable::myForceHOTUpdate

protected

double makVrv::DtCloudDrawable::myHOT

protected

bool makVrv::DtCloudDrawable::mySkipUpdateAltitudes

protected

This flag is used to skip updating the altitude when an environmented changed, since the actual change for silver lining happen in next frame.

std::map<SilverLining::CloudLayer *, double> makVrv::DtCloudDrawable::myOriginalAltitudesMap

protected

MapCameraToCubeMapData makVrv::DtCloudDrawable::myCubeMapDataMap

mutableprotected

unsigned int makVrv::DtCloudDrawable::myMutableLastFrameNum

mutableprotected

unsigned int makVrv::DtCloudDrawable::myMutablePrimaryCubeMap

mutableprotected

osg::ref_ptr<osg::Uniform> makVrv::DtCloudDrawable::myMutableSoftnessUniform

mutableprotected

mutable due to osg drawImplementation limitations.

Used to setup uniforms so they the opengl calls are not called directly in this class.

osg::ref_ptr<osg::Uniform> makVrv::DtCloudDrawable::myMutableInvPersMatrixUniform

mutableprotected

osg::ref_ptr<osg::Uniform> makVrv::DtCloudDrawable::myMutablePersMatrixUniform

mutableprotected

osg::ref_ptr<osg::Uniform> makVrv::DtCloudDrawable::myMutableViewportUniform

mutableprotected

osg::ref_ptr<osg::Uniform> makVrv::DtCloudDrawable::myMutableIsReflectionUniform

mutableprotected

osg::ref_ptr<osg::Uniform> makVrv::DtCloudDrawable::myMutableViewMatrixInverseUniform

mutableprotected

osg::ref_ptr<osg::Uniform> makVrv::DtCloudDrawable::myMutableIsSunMoonDiskUniform

mutableprotected

osg::ref_ptr<osg::Uniform> makVrv::DtCloudDrawable::myMutableIsStarUniform

mutableprotected

osg::ref_ptr<osg::StateSet> makVrv::DtCloudDrawable::myStateSet

protected

bool makVrv::DtCloudDrawable::myEnableSmoothClouds

mutableprotected

mutable due to osg drawImplementation limitations. Used for imgui settings for cloud smoothing.

float makVrv::DtCloudDrawable::mySmoothCloudsDist

mutableprotected

double makVrv::DtCloudDrawable::myLastImGuiSimTime

mutableprotected

unsigned long int makVrv::DtCloudDrawable::myNextCameraID

protected

MapOsgCamerasToEnvMapCameraIDs makVrv::DtCloudDrawable::myMapOsgCamerasToEnvMapCameraIDs

protected

DtSignalConnectionManager makVrv::DtCloudDrawable::myConnections

protected

---

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

• /data/exports/nrhent7-1/nightly/docs/vrForces.vrf4-8-branch/include/vrvOsg/DtCloudDrawable.h