makVrv::DtWaterOnScreen Class Reference

This class provides an OSG-specific implementation of water drops on the screen. More...

Inheritance diagram for makVrv::DtWaterOnScreen:

Classes
class	GridCell
	Internal class for one cell of our grid of glass properties. More...

Public Member Functions
	DtWaterOnScreen (DtDe &de, const std::string &postProcessType, bool handles2D)
	Constructor.
virtual	~DtWaterOnScreen ()
	Destructor.
void	activateRaindrops (bool on)
	Activates or deactivates the raindrops-on-screen effect.
void	activateSplashes (bool on)
	Activates or deactivates the splashes on screen effect.
void	activateSpray (bool on)
	Activates or deactivates ocean spray on screen effect.
void	setIsUnderwater (bool underwater)
	Tells effect we are underwater, and no screen effects should exist.
void	addRainDrop (float x, float y, float radius)
	Add a single raindrop.
void	addOceanSplash (float intensity)
	Adds one frame's worth of large splashes on the screen, in response to a submerging or surfacing viewpoint.
void	setSplashIntensity (float intensity)
	Sets the overall intensity of the splash effect (0-1)
void	setSprayIntensity (float intensity)
	Sets the overall intensity of the spray effect (0-1)
virtual void	update (DtChannel *channel)
	Called once per frame from the DtOsgPostProcessManager.
int	getNumActiveDrops () const
	How many drops are currently on the screen.
void	addSplashEffects (const DtObserverObject *observer, bool hasWaveSplashEffect)
	Query the DtOsgSkyObject, DtTritonManager, and channel observer to determine whether to draw screen space ocean splash effects.
void	addSprayEffects (const DtObserverObject *observer, bool hasOceanSprayEffect)
	Query the DtOsgSkyObject, DtTritonManager, and channel observer to determine whether to draw screen space ocean spray effects (when near the surface of the ocean)
Public Member Functions inherited from makVrv::DtPostProcessor
	DtPostProcessor (const std::string &postProcessType, bool handles2D)
	CTOR.
virtual	~DtPostProcessor ()
	DTOR.
virtual void	setFragmentShaderSource (const char *source)
	Sets fragment shader source for this post-processor.
virtual void	setVertexShaderSource (const char *source)
	Sets vertex shader source for this post-processor.
virtual void	setFragmentShaderFile (const std::string &fileName)
	Sets fragment shader file for this post-processor.
virtual void	setVertexShaderFile (const std::string &fileName)
	Sets vertex shader file for this post-processor.
virtual void	setInputTexture (const DtChannel *channel, osg::Texture2D *texture)
	Sets the image that is postprocessed; this may be the 3D scene rendered to a texture, or the output texture of a chained post processor.
virtual osg::Texture2D *	outputTexture ()
	Gets the output texture of this post processor, for use in chaining processors together.
virtual void	setIsFinalEffect (const DtChannel *channel, bool final)
	Called by the DtOsgPostProcessManager to indicate if this is the last post processor in the chain, and should render to the framebuffer.
virtual osg::Camera *	cameraForChannel (const DtChannel *channel)
	Gets the Camera node associated with this effect and channel.
virtual void	releaseGLObjects ()
virtual bool	hasEffect (std::string effect)
	Does this post processor support this effect?
virtual bool	effectEnabled (std::string effect)
	Is this effect (post processor sub-component) enabled?
virtual bool	anyEffectEnabled ()
	Are any effects enabled?
virtual std::list< std::string >	supportedEffects ()
	Get a list of supported effects for this post processor.
virtual bool	handles2D () const
	Retrieves whether this post processor should be used in 2D orthographic views, as specified in its constructor.
virtual const std::string &	type () const
	Gets the type of the post processor.
virtual bool	postProcessorEnabled () const
	Is this post processor enabled?
virtual bool	enableEffect (std::string effect)
	Enable a particular post processing technique For example, "wateroncamera" has techniques "rainsplash", "oceanspray", and "wavesplash".
virtual bool	disableEffect (std::string effect)
	Enable a particular post processing technique For example, "wateroncamera" has techniques "rainsplash", "oceanspray", and "wavesplash".
virtual void	enablePostProcessor ()
	Enable or disable the post processor.
virtual void	disablePostProcessor ()
	Enable or disable the post processor.

Protected Member Functions
virtual void	initialize ()
void	clearNormalMap ()
void	updateAndDrawDrops (double elapsedTime)
void	addRaindrops (double time, float heading, float observerVelocity)
void	addSpray (double time, float heading)
void	clearDrops ()
void	reset ()
void	setActiveStatus ()
void	slot_windowRemoved (DtWindow *window)
Protected Member Functions inherited from makVrv::DtPostProcessor
virtual void	addEffect (std::string effect)
	When constructing a post processor, add the names of the sub-components (effects) that can be enabled and disabled.
virtual void	setEnablePostProcessor (bool enabled)
	Set the post processor enabled state (true = enabled)

Protected Attributes
osg::ref_ptr< osg::Texture2D >	myNormalMap
osg::ref_ptr< osg::Image >	myNormalImage
DtDe &	myDe
double	myLastUpdateTime
double	myLastDropEmissionTime
double	myLastSprayEmissionTime
bool	myRaindropsActiveFlag
bool	mySplashesActiveFlag
bool	mySprayActiveFlag
bool	myActiveFlag
bool	myUnderwaterFlag
float	mySplashIntensity
float	mySprayIntensity
int	myNumActiveDrops
GridCell	myGrid [GRID_DIMENSION][GRID_DIMENSION]
unsigned char	myNormalMapClearData [TEXSIZE *TEXSIZE *4]
bool	myNormalMapClearDataInitialized
unsigned char	myNormalImageData [TEXSIZE *TEXSIZE *4]
DtSignalConnectionManager	mySignals
Protected Attributes inherited from makVrv::DtPostProcessor
osg::ref_ptr< osg::Texture2D >	myOutputTexture
osg::ref_ptr< osg::Texture2D >	myInputTexture
osg::ref_ptr< osg::Program >	myProgram
osg::ref_ptr< osg::Shader >	myFragmentShader
osg::ref_ptr< osg::Shader >	myVertexShader
osg::ref_ptr< osg::Geode >	myQuad
CameraMap	myCameraMap
bool	myHandles2DFlag
bool	myEnabledFlag
std::string	myType
EffectMap	myEffects

Additional Inherited Members
Protected Types inherited from makVrv::DtPostProcessor
typedef std::map< const DtChannel *, osg::ref_ptr < osg::Camera > >	CameraMap
typedef boost::unordered_map < std::string, bool >	EffectMap

Detailed Description

This class provides an OSG-specific implementation of water drops on the screen.

Constructor & Destructor Documentation

makVrv::DtWaterOnScreen::DtWaterOnScreen	(	DtDe &	de,
		const std::string &	postProcessType,
		bool	handles2D
	)

Constructor.

virtual makVrv::DtWaterOnScreen::~DtWaterOnScreen ( )

virtual

Destructor.

Member Function Documentation

void makVrv::DtWaterOnScreen::activateRaindrops

(

bool

on

)

Activates or deactivates the raindrops-on-screen effect.

void makVrv::DtWaterOnScreen::activateSplashes

(

bool

on

)

Activates or deactivates the splashes on screen effect.

(From a submerging observer.)

void makVrv::DtWaterOnScreen::activateSpray

(

bool

on

)

Activates or deactivates ocean spray on screen effect.

void makVrv::DtWaterOnScreen::setIsUnderwater

(

bool

underwater

)

Tells effect we are underwater, and no screen effects should exist.

void makVrv::DtWaterOnScreen::addRainDrop	(	float	x,
		float	y,
		float	radius
	)

Add a single raindrop.

All parameters are normalized against the viewport dimensions (0-1)

void makVrv::DtWaterOnScreen::addOceanSplash

(

float

intensity

)

Adds one frame's worth of large splashes on the screen, in response to a submerging or surfacing viewpoint.

void makVrv::DtWaterOnScreen::setSplashIntensity

(

float

intensity

)

Sets the overall intensity of the splash effect (0-1)

void makVrv::DtWaterOnScreen::setSprayIntensity

(

float

intensity

)

Sets the overall intensity of the spray effect (0-1)

virtual void makVrv::DtWaterOnScreen::update ( DtChannel *  channel )

virtual

Called once per frame from the DtOsgPostProcessManager.

Implements makVrv::DtPostProcessor.

int makVrv::DtWaterOnScreen::getNumActiveDrops

(

)

const

How many drops are currently on the screen.

void makVrv::DtWaterOnScreen::addSplashEffects	(	const DtObserverObject *	observer,
		bool	hasWaveSplashEffect
	)

Query the DtOsgSkyObject, DtTritonManager, and channel observer to determine whether to draw screen space ocean splash effects.

void makVrv::DtWaterOnScreen::addSprayEffects	(	const DtObserverObject *	observer,
		bool	hasOceanSprayEffect
	)

Query the DtOsgSkyObject, DtTritonManager, and channel observer to determine whether to draw screen space ocean spray effects (when near the surface of the ocean)

virtual void makVrv::DtWaterOnScreen::initialize ( )

protectedvirtual

Reimplemented from makVrv::DtPostProcessor.

void makVrv::DtWaterOnScreen::clearNormalMap ( )

protected

void makVrv::DtWaterOnScreen::updateAndDrawDrops ( double  elapsedTime )

protected

void makVrv::DtWaterOnScreen::addRaindrops ( double  time, float  heading, float  observerVelocity  )

protected

void makVrv::DtWaterOnScreen::addSpray ( double  time, float  heading  )

protected

void makVrv::DtWaterOnScreen::clearDrops ( )

protected

void makVrv::DtWaterOnScreen::reset ( )

protected

void makVrv::DtWaterOnScreen::setActiveStatus ( )

protected

void makVrv::DtWaterOnScreen::slot_windowRemoved ( DtWindow *  window )

protected

Member Data Documentation

osg::ref_ptr<osg::Texture2D> makVrv::DtWaterOnScreen::myNormalMap

protected

osg::ref_ptr<osg::Image> makVrv::DtWaterOnScreen::myNormalImage

protected

DtDe& makVrv::DtWaterOnScreen::myDe

protected

double makVrv::DtWaterOnScreen::myLastUpdateTime

protected

double makVrv::DtWaterOnScreen::myLastDropEmissionTime

protected

double makVrv::DtWaterOnScreen::myLastSprayEmissionTime

protected

bool makVrv::DtWaterOnScreen::myRaindropsActiveFlag

protected

bool makVrv::DtWaterOnScreen::mySplashesActiveFlag

protected

bool makVrv::DtWaterOnScreen::mySprayActiveFlag

protected

bool makVrv::DtWaterOnScreen::myActiveFlag

protected

bool makVrv::DtWaterOnScreen::myUnderwaterFlag

protected

float makVrv::DtWaterOnScreen::mySplashIntensity

protected

float makVrv::DtWaterOnScreen::mySprayIntensity

protected

int makVrv::DtWaterOnScreen::myNumActiveDrops

protected

GridCell makVrv::DtWaterOnScreen::myGrid[GRID_DIMENSION][GRID_DIMENSION]

protected

unsigned char makVrv::DtWaterOnScreen::myNormalMapClearData[TEXSIZE *TEXSIZE *4]

protected

bool makVrv::DtWaterOnScreen::myNormalMapClearDataInitialized

protected

unsigned char makVrv::DtWaterOnScreen::myNormalImageData[TEXSIZE *TEXSIZE *4]

protected

DtSignalConnectionManager makVrv::DtWaterOnScreen::mySignals

protected

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

• /exports/nfedora7-1/nightly/docs/vrforcesDevelopment.vrf4-4-branch/include/vrvTriton/DtWaterOnScreenEffect.h