Derived from osg::Node and is a replacement for the osgSim::LightPointNode represents a group of light points that share a common origin location. In addition to their origin the light point node can group them for things like airport or runway groupings. traversal of this node by the cull visitor passes the view matrix to the light point manager to be placed in an SSBO. Instance manager uses updateDrawable to do the same thing that traversal does for the non instanced case.

Inheritance diagram for makVrv::DtLightPointNode:

[legend]

Classes
struct	LightPointInfo

Public Member Functions
	DtLightPointNode ()

	DtLightPointNode (const DtLightPointNode &lpn, const osg::CopyOp &copyop=osg::CopyOp::SHALLOW_COPY)

virtual	~DtLightPointNode ()

	META_Node (vrvOsg, DtLightPointNode)

virtual void	traverse (osg::NodeVisitor &nv)

virtual void	updateDrawable (const osg::Camera camera, int frameNum, double simTime, const osg::Matrixd &modelViewMatrix, osgUtil::CullVisitor cv, int groupId, bool shouldCull, const DtIndirectFadeParameters &fadeParameters, float posScale, float radiusScale, bool isInstancedReflection=false)

virtual void	updateNodeInfo (bool isInstancedReflection=false, bool isForcedAdd=false)

virtual int	addTypedLightPoint (const osg::Vec3d &pos, int type, const std::string &id, const osg::Vec3 &rotation, float phaseShift)

virtual void	removeTypedLightPoint (int index)

virtual void	setLightPointManager (DtOsgLightPointManager *lightPointManager)

virtual DtOsgLightPointManager *	findLightPointManager ()

virtual void	setLightPointsEnabled (bool enabled)

virtual bool	lightPointsEnabled ()

virtual void	setGroupId (int id)

virtual int	groupId ()

virtual void	freeNodeIdIfNecessary (unsigned int maxNodeIds)

virtual osg::BoundingSphere	computeBound () const

virtual void	applyMatrixToLightPoints (const osg::Matrix &adjustmentMatrix)

virtual void	applyMatrixToLightPointsIncremental (const osg::Matrix &adjustmentMatrix, int firstNodeToChange)

virtual void	setFadeParameters (const DtIndirectFadeParameters &fadeParameters)

virtual DtIndirectFadeParameters	fadeParameters () const

virtual int	lightPointCount () const

virtual osg::Vec3d	lightPointPosition (int index) const

virtual void	setLightPointPosition (int index, const osg::Vec3d &pos)

virtual int	lightPointType (int index) const

virtual int	lightPointNodeId () const

virtual int	lightPointGroupId (int index) const

virtual float	lightPointPhase (int index) const

virtual osg::Vec3	lightPointSectorDir (int index) const

virtual const osg::Matrix3 &	lightPointSectorLocalToLp (int index) const

virtual void	setCameraRelativeLightsMode (bool mode=true)

virtual bool	cameraRelativeLightsMode ()

Protected Types
typedef std::vector < LightPointInfo >	LightPointIntList

Protected Member Functions
virtual osg::BoundingSphere	computeBoundsIncremental (int firstNode) const

Protected Attributes
osg::BoundingBox	myMutableBoundingBox

osg::Vec3	myMutableFurthestPoint

LightPointIntList	myLightPointTypeList

DtOsgLightPointManager *	myLightPointManager

osg::ref_ptr < DtLightPointDrawable >	myLightPointDrawable

std::vector< int >	myNodeIds

const osg::Camera *	myLastCamera

int	myFrameNum

int	myCurrentInstance

int	myAddedInstances

bool	myLightPointsEnabled

int	myGroupId

DtIndirectFadeParameters	myFadeParameters

float	myFirstFrameTime

bool	myCameraRelativeLightsMode

std::vector< int >	myFreeList

boost::recursive_mutex	myMutableNodeIdMutex

Static Protected Attributes
static int	theFrameNum

static const osg::Camera *	theLastCamera

Private Member Functions
DtLightPointNode &	operator= (const DtLightPointNode &other)=delete

Member Typedef Documentation

typedef std::vector< LightPointInfo > makVrv::DtLightPointNode::LightPointIntList

protected

Constructor & Destructor Documentation

makVrv::DtLightPointNode::DtLightPointNode ( )

Default constructor.

makVrv::DtLightPointNode::DtLightPointNode	(	const DtLightPointNode &	lpn,
		const osg::CopyOp &	copyop = `osg::CopyOp::SHALLOW_COPY`
	)

Copy constructor using CopyOp to manage deep vs shallow copy.

virtual makVrv::DtLightPointNode::~DtLightPointNode ( )

virtual

DTOR.

Member Function Documentation

makVrv::DtLightPointNode::META_Node	(	vrvOsg	,
		DtLightPointNode
	)

DtLightPointNode& makVrv::DtLightPointNode::operator= ( const DtLightPointNode & other )

privatedelete

Assignment Operator Not implemented – Assignment Not Allowed.

virtual void makVrv::DtLightPointNode::traverse ( osg::NodeVisitor & nv )

virtual

Traverse function which if called by the cull visitor then it sets up the Light Points to be drawn.

virtual void makVrv::DtLightPointNode::updateDrawable	(	const osg::Camera *	camera,
		int	frameNum,
		double	simTime,
		const osg::Matrixd &	modelViewMatrix,
		osgUtil::CullVisitor *	cv,
		int	groupId,
		bool	shouldCull,
		const DtIndirectFadeParameters &	fadeParameters,
		float	posScale,
		float	radiusScale,
		bool	isInstancedReflection = `false`
	)

virtual

Makes sure the drawable has enough instances and light points for this node and passes model view matrix to the Light Point Manager posScale is used to scale the position of the light point when model scaling is being used with instanced models radiusScale is used to scale the radius of the light point when model scaling is being used with any model.

virtual void makVrv::DtLightPointNode::updateNodeInfo	(	bool	isInstancedReflection = `false`,
		bool	isForcedAdd = `false`
	)

virtual

Copy DtLightPointNodeDataLayout to the light point node.

virtual int makVrv::DtLightPointNode::addTypedLightPoint	(	const osg::Vec3d &	pos,
		int	type,
		const std::string &	id,
		const osg::Vec3 &	rotation,
		float	phaseShift
	)

virtual

add a typed light point to this node. This currently does not work correctly if this node has already been drawn once. position and rotation are in light point node local space. So the light point node's transform is applied to to the light points before they are drawn. The model view matrix for the light point node does this and is passed down to the shader in the updateDrawable function. returns the index into the array to allow modifications later.

virtual void makVrv::DtLightPointNode::removeTypedLightPoint ( int index )

virtual

removes the light point at this index. (currently puts it on a free list) only works for nodes in dynamic Lights Mode.

virtual void makVrv::DtLightPointNode::setLightPointManager ( DtOsgLightPointManager * lightPointManager )

virtual

keep a local copy of the light point manager pointer. Also needed since the Light Point Node does not have a reference to the DE.

virtual DtOsgLightPointManager* makVrv::DtLightPointNode::findLightPointManager ( )

virtual

get the light point manager that this light point node is using.

virtual void makVrv::DtLightPointNode::setLightPointsEnabled ( bool enabled )

virtual

Turn all the light points for this node on or off.

virtual bool makVrv::DtLightPointNode::lightPointsEnabled ( )

virtual

Are all the light points for this node on or off.

virtual void makVrv::DtLightPointNode::setGroupId ( int id )

virtual

Set the nodes group id. This overrides the light points individual group id unless it is set to 0.

virtual int makVrv::DtLightPointNode::groupId ( )

virtual

get the nodes group id.

virtual void makVrv::DtLightPointNode::freeNodeIdIfNecessary ( unsigned int maxNodeIds )

virtual

Free up some node Id's if there are more than maxNodeIds allocated. This is used to free up the instanced model light points if a instance is free'd. The reason for using the max id instead of always removing a node id every time and instance is free'd is because the light point may have never been drawn so it may not need to be removed.

virtual osg::BoundingSphere makVrv::DtLightPointNode::computeBound ( ) const

virtual

Compute the bounds for this node based on all the light points it contains.

virtual void makVrv::DtLightPointNode::applyMatrixToLightPoints ( const osg::Matrix & adjustmentMatrix )

virtual

Apply a matrix to the light point positions and sectors used by the optimizer to remove the matrix transforms above the light points.

virtual void makVrv::DtLightPointNode::applyMatrixToLightPointsIncremental	(	const osg::Matrix &	adjustmentMatrix,
		int	firstNodeToChange
	)

virtual

Incremental version of applyMatrixToLightPoints. This applies the matrix to only the nodes >= firstNodeToChange.

virtual void makVrv::DtLightPointNode::setFadeParameters ( const DtIndirectFadeParameters & fadeParameters )

virtual

virtual DtIndirectFadeParameters makVrv::DtLightPointNode::fadeParameters ( ) const

virtual

virtual int makVrv::DtLightPointNode::lightPointCount ( ) const

virtual

virtual osg::Vec3d makVrv::DtLightPointNode::lightPointPosition ( int index ) const

virtual

virtual void makVrv::DtLightPointNode::setLightPointPosition	(	int	index,
		const osg::Vec3d &	pos
	)

virtual

virtual int makVrv::DtLightPointNode::lightPointType ( int index ) const

virtual

virtual int makVrv::DtLightPointNode::lightPointNodeId ( ) const

virtual

virtual int makVrv::DtLightPointNode::lightPointGroupId ( int index ) const

virtual

virtual float makVrv::DtLightPointNode::lightPointPhase ( int index ) const

virtual

virtual osg::Vec3 makVrv::DtLightPointNode::lightPointSectorDir ( int index ) const

virtual

virtual const osg::Matrix3& makVrv::DtLightPointNode::lightPointSectorLocalToLp ( int index ) const

virtual

virtual void makVrv::DtLightPointNode::setCameraRelativeLightsMode ( bool mode = true )

virtual

set the lights to have position updated each frame, requires DtOsgRenderPassLocalSpaceTransform as a parent to the node

virtual bool makVrv::DtLightPointNode::cameraRelativeLightsMode ( )

virtual

virtual osg::BoundingSphere makVrv::DtLightPointNode::computeBoundsIncremental ( int firstNode ) const

protectedvirtual

Internal, incremental computeLightPointBound. This is incremental because it is called from the incremental form ofapplyMatrixToLightPoints, and it would be expensive to recalculate the entire bound each time a few points were added.

Member Data Documentation

osg::BoundingBox makVrv::DtLightPointNode::myMutableBoundingBox

mutableprotected

osg::Vec3 makVrv::DtLightPointNode::myMutableFurthestPoint

mutableprotected

LightPointIntList makVrv::DtLightPointNode::myLightPointTypeList

protected

DtOsgLightPointManager* makVrv::DtLightPointNode::myLightPointManager

protected

osg::ref_ptr<DtLightPointDrawable> makVrv::DtLightPointNode::myLightPointDrawable

protected

std::vector<int> makVrv::DtLightPointNode::myNodeIds

protected

const osg::Camera* makVrv::DtLightPointNode::myLastCamera

protected

int makVrv::DtLightPointNode::myFrameNum

protected

int makVrv::DtLightPointNode::myCurrentInstance

protected

int makVrv::DtLightPointNode::myAddedInstances

protected

bool makVrv::DtLightPointNode::myLightPointsEnabled

protected

int makVrv::DtLightPointNode::myGroupId

protected

DtIndirectFadeParameters makVrv::DtLightPointNode::myFadeParameters

protected

float makVrv::DtLightPointNode::myFirstFrameTime

protected

bool makVrv::DtLightPointNode::myCameraRelativeLightsMode

protected

std::vector<int> makVrv::DtLightPointNode::myFreeList

protected

boost::recursive_mutex makVrv::DtLightPointNode::myMutableNodeIdMutex

mutableprotected

int makVrv::DtLightPointNode::theFrameNum

staticprotected

const osg::Camera* makVrv::DtLightPointNode::theLastCamera

staticprotected

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

/data/exports/nrhent7-1/nightly/docs/vrForces.vrf5-1-branch/include/vrvOsg/DtLightPointNode.h

Classes

Public Member Functions

Protected Types

Protected Member Functions

Protected Attributes

Static Protected Attributes

Private Member Functions

Member Typedef Documentation

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation