IrrDriver Class Reference

class that creates the irrLicht device and offers higher-level ways to manage the 3D scene More...

#include <irr_driver.hpp>

Inheritance diagram for IrrDriver:

Classes
struct	BloomData
class	VideoMode
	A simple class to store video resolutions. More...

Public Member Functions
video::SColorf	getAmbientLight () const
void	doScreenShot ()
	Requess a screenshot from irrlicht, and save it in a file.
	IrrDriver ()
	The constructor creates the irrlicht device. More...
	~IrrDriver ()
	Destructor - removes the irrlicht device.
void	initDevice ()
	This creates the actualy OpenGL device. More...
void	reset ()
	Called before a race is started, after all cameras are set up.
void	setMaxTextureSize ()
void	unsetMaxTextureSize ()
void	getOpenGLData (std::string *vendor, std::string *renderer, std::string *version)
void	increaseObjectCount ()
core::array< video::IRenderTarget > &	getMainSetup ()
void	updateConfigIfRelevant ()
	If the position of the window should be remembered, store it in the config file. More...
core::recti	getSplitscreenWindow (int window_num)
void	setAllMaterialFlags (scene::IMesh *mesh) const
	Sets the material flags in this mesh depending on the settings in material_manager. More...
scene::IAnimatedMesh *	getAnimatedMesh (const std::string &name)
	Loads an animated mesh and returns a pointer to it. More...
scene::IMesh *	getMesh (const std::string &name)
	Loads a non-animated mesh and returns a pointer to it. More...
void	displayFPS ()
	Displays the FPS on the screen.
void	displayStoryModeTimer ()
	Displays the timer for Story Mode on the screen. More...
bool	OnEvent (const irr::SEvent &event)
	This is not really used to process events, it's only used to shut down irrLicht's chatty logging until the event handler is ready to take the task.
void	setAmbientLight (const video::SColorf &light, bool force_SH_computation=true)
	Sets the ambient light. More...
video::ITexture *	getTexture (FileManager::AssetType type, const std::string &filename)
	Loads a texture from a file and returns the texture object. More...
video::ITexture *	getTexture (const std::string &filename)
	Loads a texture from a file and returns the texture object. More...
void	grabAllTextures (const scene::IMesh *mesh)
	Appends a pointer to each texture used in this mesh to the vector. More...
void	dropAllTextures (const scene::IMesh *mesh)
	Appends a pointer to each texture used in this mesh to the vector. More...
scene::IMesh *	createQuadMesh (const video::SMaterial *material=NULL, bool create_one_quad=false)
	Creates a quad mesh with a given material. More...
scene::IMesh *	createTexturedQuadMesh (const video::SMaterial *material, const double w, const double h)
	Creates a quad mesh buffer with a given width and height (z coordinate is 0). More...
scene::ISceneNode *	addWaterNode (scene::IMesh *mesh, scene::IMesh **welded, float wave_height, float wave_speed, float wave_length)
	Converts the mesh into a water scene node. More...
scene::IMeshSceneNode *	addOctTree (scene::IMesh *mesh)
	Adds a mesh that will be optimised using an oct tree. More...
scene::ISceneNode *	addSphere (float radius, const video::SColor &color=video::SColor(128, 255, 255, 255))
	Adds a sphere with a given radius and color. More...
scene::ISceneNode *	addMesh (scene::IMesh *mesh, const std::string &debug_name, scene::ISceneNode *parent=NULL, std::shared_ptr< GE::GERenderInfo > render_info=nullptr)
	Adds a static mesh to scene. More...
PerCameraNode *	addPerCameraNode (scene::ISceneNode *node, scene::ICameraSceneNode *cam, scene::ISceneNode *parent=NULL)
scene::ISceneNode *	addBillboard (const core::dimension2d< f32 > size, const std::string &tex_name, scene::ISceneNode *parent=NULL)
	Adds a billboard node to scene.
scene::IParticleSystemSceneNode *	addParticleNode (bool default_emitter=true)
	Adds a particle scene node.
scene::ISceneNode *	addSkyBox (const std::vector< video::ITexture * > &texture_names, const std::vector< video::ITexture * > &spherical_harmonics_textures)
	Adds a skybox using. More...
void	suppressSkyBox ()
void	removeNode (scene::ISceneNode *node)
	Removes a scene node from the scene. More...
void	removeMeshFromCache (scene::IMesh *mesh)
	Removes a mesh from the mesh cache, freeing the memory. More...
void	removeTexture (video::ITexture *t)
	Removes a texture from irrlicht's texture cache. More...
scene::IAnimatedMeshSceneNode *	addAnimatedMesh (scene::IAnimatedMesh *mesh, const std::string &debug_name, scene::ISceneNode *parent=NULL, std::shared_ptr< GE::GERenderInfo > render_info=nullptr)
	Adds an animated mesh to the scene. More...
scene::ICameraSceneNode *	addCameraSceneNode ()
	Adds a camera to the scene.
Camera *	addCamera (unsigned int index, AbstractKart *kart)
void	removeCameraSceneNode (scene::ICameraSceneNode *camera)
	Removes a camera. More...
void	removeCamera (Camera *camera)
void	update (float dt, bool loading=false)
	Update, called once per frame. More...
void	changeResolution (const int w, const int h, const bool fullscreen)
	Call to change resolution.
void	cancelResChange ()
	Call this to roll back to the previous resolution if a resolution switch attempt goes bad.
bool	moveWindow (int x, int y)
	Moves the STK main window to coordinates (x,y) More...
void	showPointer ()
void	hidePointer ()
void	setLastLightBucketDistance (unsigned d)
void	setSkinningJoint (unsigned d)
bool	isPointerShown () const
core::position2di	getMouseLocation ()
void	printRenderStats ()
	Prints statistics about rendering, e.g. More...
void	requestScreenshot ()
class GPUTimer &	getGPUTimer (unsigned)
const char *	getGPUQueryPhaseName (unsigned)
std::unique_ptr< RenderTarget >	createRenderTarget (const irr::core::dimension2du &dimension, const std::string &name)
const irr::video::SColor &	getClearColor () const
	Returns the color to clear the back buffer.
void	setClearbackBufferColor (irr::video::SColor color)
	Sets the color to use when clearing the back buffer.
const std::vector< VideoMode > &	getVideoModes () const
	Returns a list of all video modes supports by the graphics card.
const core::dimension2d< u32 > &	getFrameSize () const
	Returns the frame size.
IrrlichtDevice *	getDevice () const
	Returns the irrlicht device.
video::IVideoDriver *	getVideoDriver () const
	Returns the irrlicht video driver.
scene::ISceneManager *	getSceneManager () const
	Returns the irrlicht scene manager.
gui::IGUIEnvironment *	getGUI () const
	Returns the gui environment, used to add widgets to a screen.
unsigned int	getRealTime ()
	Returns the current real time, which might not be 0 at start of the application. More...
void	giveBoost (unsigned int cam_index)
	Use motion blur for a short time.
core::vector3df	getWind ()
const SHCoefficients *	getSHCoefficients ()
	Returns a pointer to the spherical harmonics coefficients.
const core::vector3df &	getSunDirection () const
void	setSunDirection (const core::vector3df &SunPos)
video::SColorf	getSunColor () const
void	setSunColor (const video::SColorf &col)
GLuint	getRenderTargetTexture (TypeRTT which)
GLuint	getDepthStencilTexture ()
void	resetDebugModes ()
void	toggleSSAOViz ()
bool	getSSAOViz ()
void	toggleShadowViz ()
bool	getShadowViz ()
void	toggleBoundingBoxesViz ()
void	toggleRenderNetworkDebug ()
bool	getRenderNetworkDebug () const
void	renderNetworkDebug ()
bool	getBoundingBoxesViz ()
int	getSceneComplexity ()
void	resetSceneComplexity ()
void	addSceneComplexity (int complexity)
float	getLODMultiplier ()
void	setLODMultiplier (float multiplier)
bool	isRecording () const
void	setRecording (bool val)
std::vector< LightNode * >	getLights ()
void	addGlowingNode (scene::ISceneNode *n, float r=1.0f, float g=1.0f, float b=1.0f)
void	clearGlowingNodes ()
void	addForcedBloomNode (scene::ISceneNode *n, float power=1)
void	clearForcedBloom ()
const std::vector< BloomData > &	getForcedBloom () const
void	clearBackgroundNodes ()
void	addBackgroundNode (scene::ISceneNode *const n)
scene::ISceneNode *	addLight (const core::vector3df &pos, float energy, float radius, float r, float g, float b, bool sun_=false, scene::ISceneNode *parent=NULL)
void	clearLights ()
SP::SPDynamicDrawCall *	getSunInterposer ()
void	cleanSunInterposer ()
void	createSunInterposer ()
void	setViewMatrix (core::matrix4 matrix)
const core::matrix4 &	getViewMatrix () const
const core::matrix4 &	getInvViewMatrix () const
void	setProjMatrix (core::matrix4 matrix)
const core::matrix4 &	getProjMatrix () const
const core::matrix4 &	getInvProjMatrix () const
void	genProjViewMatrix ()
const core::matrix4 &	getProjViewMatrix () const
const core::matrix4 &	getInvProjViewMatrix () const
const core::vector2df &	getCurrentScreenSize () const
const core::dimension2du	getActualScreenSize () const
float	getSSAORadius () const
void	setSSAORadius (float v)
float	getSSAOK () const
void	setSSAOK (float v)
float	getSSAOSigma () const
void	setSSAOSigma (float v)
void	onLoadWorld ()
void	onUnloadWorld ()
void	updateSplitAndLightcoordRangeFromComputeShaders (size_t width, size_t height)
void	uploadLightingData ()
void	sameRestart ()
void	fullRestart ()
	Used when we don't want a changed resolution prompt but need to reinit things that sameRestart doesn't affect.
u32	getDefaultFramebuffer () const
void	handleWindowResize ()

Private Types
enum	{   RES_CHANGE_NONE , RES_CHANGE_YES , RES_CHANGE_CANCEL , RES_CHANGE_SAME ,   RES_CHANGE_YES_WARN , RES_CHANGE_SAME_FULL }
	Flag to indicate if a resolution change is pending (which will be acted upon in the next update). More...

Private Member Functions
void	setupViewports ()
void	applyResolutionSettings (bool recreate_device)
	Internal method that applies the resolution in user settings.
void	createListOfVideoModes ()
	Gets a list of supported video modes from the irrlicht device. More...
void	updateDisplace (float dt)
void	resizeWindow ()

Private Attributes
IrrlichtDevice *	m_device
	The irrlicht device.
scene::ISceneManager *	m_scene_manager
	Irrlicht scene manager.
gui::IGUIEnvironment *	m_gui_env
	Irrlicht gui environment.
video::IVideoDriver *	m_video_driver
	Irrlicht video driver.
gui::IGUIFont *	m_race_font
	Irrlicht race font.
AbstractRenderer *	m_renderer
	Renderer.
Wind *	m_wind
	Wind.
core::dimension2du	m_actual_screen_size
core::array< video::IRenderTarget >	m_mrt
	The main MRT setup.
core::matrix4	m_ViewMatrix
	Matrixes used in several places stored here to avoid recomputation.
core::matrix4	m_InvViewMatrix
core::matrix4	m_ProjMatrix
core::matrix4	m_InvProjMatrix
core::matrix4	m_ProjViewMatrix
core::matrix4	m_InvProjViewMatrix
enum IrrDriver:: { ... }	m_resolution_changing
	Flag to indicate if a resolution change is pending (which will be acted upon in the next update). More...
int	m_screen_orientation
std::vector< VideoMode >	m_modes
bool	m_pointer_shown
	Whether the mouse cursor is currently shown.
int	m_scene_complexity
	Store if the scene is complex (based on polycount, etc)
float	m_lod_multiplier
	Used for auto-LoD adjustment in low-complexity scenes.
bool	m_request_screenshot
bool	m_ssaoviz
bool	m_shadowviz
bool	m_lightviz
bool	m_boundingboxesviz
bool	m_recording
bool	m_render_nw_debug
irr::video::SColor	m_clear_color
	Background colour to reset a buffer. More...
unsigned	m_last_light_bucket_distance
unsigned	m_skinning_joint
SP::SPDynamicDrawCall *	m_sun_interposer
core::vector3df	m_sun_direction
video::SColorf	m_suncolor
std::vector< LightNode * >	m_lights
std::vector< BloomData >	m_forcedbloom
std::vector< scene::ISceneNode * >	m_background
float	m_ssao_radius
float	m_ssao_k
float	m_ssao_sigma
irr::ELOG_LEVEL	m_logger_level

Detailed Description

class that creates the irrLicht device and offers higher-level ways to manage the 3D scene

Member Enumeration Documentation

anonymous enum

anonymous enum

private

Flag to indicate if a resolution change is pending (which will be acted upon in the next update).

None means no change, yes means change to new resolution and trigger confirmation dialog. Yes_warn means that the new resolution is unsupported and that the confirmation dialog needs an additional warning message. Same indicates a change of the resolution (back to the original one), but no confirmation dialog.

Constructor & Destructor Documentation

IrrDriver()

IrrDriver::IrrDriver

(

)

The constructor creates the irrlicht device.

It first creates a NULL device. This is necessary to handle the Chicken/egg problem with irrlicht: access to the file system is given from the device, but we can't create the device before reading the user_config file (for resolution, fullscreen). So we create a dummy device here to begin with, which is then later (once the real device exists) changed in initDevice().

Member Function Documentation

addAnimatedMesh()

scene::IAnimatedMeshSceneNode * IrrDriver::addAnimatedMesh	(	scene::IAnimatedMesh *	mesh,
		const std::string &	debug_name,
		scene::ISceneNode *	parent = NULL,
		std::shared_ptr< GE::GERenderInfo >	render_info = nullptr
	)

Adds an animated mesh to the scene.

Parameters

mesh	The animated mesh to add.

addMesh()

scene::ISceneNode * IrrDriver::addMesh	(	scene::IMesh *	mesh,
		const std::string &	debug_name,
		scene::ISceneNode *	parent = NULL,
		std::shared_ptr< GE::GERenderInfo >	render_info = nullptr
	)

Adds a static mesh to scene.

This should be used for smaller objects, since the node is not optimised.

Parameters

mesh	The mesh to add.

addOctTree()

scene::IMeshSceneNode * IrrDriver::addOctTree

(

scene::IMesh *

mesh

)

Adds a mesh that will be optimised using an oct tree.

Parameters

mesh	Mesh to add.

addSkyBox()

scene::ISceneNode * IrrDriver::addSkyBox	(	const std::vector< video::ITexture * > &	texture,
		const std::vector< video::ITexture * > &	spherical_harmonics_textures
	)

Adds a skybox using.

Irrlicht documentation: A skybox is a big cube with 6 textures on it and is drawn around the camera position.

Parameters

top	Texture for the top plane of the box.
bottom	Texture for the bottom plane of the box.
left	Texture for the left plane of the box.
right	Texture for the right plane of the box.
front	Texture for the front plane of the box.
back	Texture for the back plane of the box.

addSphere()

scene::ISceneNode * IrrDriver::addSphere	(	float	radius,
		const video::SColor &	color = video::SColor(128, 255, 255, 255)
	)

Adds a sphere with a given radius and color.

Parameters

radius	The radius of the sphere.
color	The color to use (default (0,0,0,0)

addWaterNode()

scene::ISceneNode * IrrDriver::addWaterNode	(	scene::IMesh *	mesh,
		scene::IMesh **	welded,
		float	wave_height,
		float	wave_speed,
		float	wave_length
	)

Converts the mesh into a water scene node.

Parameters

mesh	The mesh which is converted into a water scene node.
wave_height	Height of the water waves.
wave_speed	Speed of the water waves.
wave_length	Lenght of a water wave.

createListOfVideoModes()

void IrrDriver::createListOfVideoModes ( )

private

Gets a list of supported video modes from the irrlicht device.

This data is stored in m_modes.

createQuadMesh()

scene::IMesh * IrrDriver::createQuadMesh	(	const video::SMaterial *	material = NULL,
		bool	create_one_quad = false
	)

Creates a quad mesh with a given material.

Parameters

material	The material to use (NULL if no material).
create_one_quad	If true creates one quad in the mesh.

createTexturedQuadMesh()

scene::IMesh * IrrDriver::createTexturedQuadMesh	(	const video::SMaterial *	material,
		const double	w,
		const double	h
	)

Creates a quad mesh buffer with a given width and height (z coordinate is 0).

Parameters

material	The material to use for this quad.
w	Width of the quad.
h	Height of the quad.

displayStoryModeTimer()

void IrrDriver::displayStoryModeTimer

(

)

Displays the timer for Story Mode on the screen.

This can't be done in race or overworld GUIs as the speedrun timer has to be displayed on all screens.

dropAllTextures()

void IrrDriver::dropAllTextures

(

const scene::IMesh *

mesh

)

Appends a pointer to each texture used in this mesh to the vector.

Parameters

mesh	The mesh from which the textures are being determined.
texture_list	The list to which to attach the pointer to.

getAnimatedMesh()

scene::IAnimatedMesh * IrrDriver::getAnimatedMesh

(

const std::string &

filename

)

Loads an animated mesh and returns a pointer to it.

Parameters

filename

File to load.

getMesh()

scene::IMesh * IrrDriver::getMesh

(

const std::string &

filename

)

Loads a non-animated mesh and returns a pointer to it.

Parameters

filename

File to load.

getRealTime()

unsigned int IrrDriver::getRealTime

(

)

Returns the current real time, which might not be 0 at start of the application.

Value in msec.

getTexture() [1/2]

video::ITexture * IrrDriver::getTexture

(

const std::string &

filename

)

Loads a texture from a file and returns the texture object.

Parameters

filename

File name of the texture to load.

getTexture() [2/2]

video::ITexture * IrrDriver::getTexture	(	FileManager::AssetType	type,
		const std::string &	filename
	)

Loads a texture from a file and returns the texture object.

This is just a convenient wrapper which loads the texture from a STK asset directory. It calls the file manager to get the full path, then calls the normal getTexture() function.s

Parameters

type	The FileManager::AssetType of the texture.
filename	File name of the texture to load.

grabAllTextures()

void IrrDriver::grabAllTextures

(

const scene::IMesh *

mesh

)

Appends a pointer to each texture used in this mesh to the vector.

Parameters

mesh	The mesh from which the textures are being determined.
texture_list	The list to which to attach the pointer to.

initDevice()

void IrrDriver::initDevice

(

)

This creates the actualy OpenGL device.

This is called

moveWindow()

bool IrrDriver::moveWindow	(	int	x,
		int	y
	)

Moves the STK main window to coordinates (x,y)

Returns

true on success, false on failure (always true on Linux at the moment)

printRenderStats()

void IrrDriver::printRenderStats

(

)

Prints statistics about rendering, e.g.

number of drawn and culled triangles etc. Note that printing this information will also slow down STK.

removeCameraSceneNode()

void IrrDriver::removeCameraSceneNode

(

scene::ICameraSceneNode *

camera

)

Removes a camera.

This can't be done with removeNode() since the camera can be marked as active, meaning a drop will not delete it. While this doesn't really cause a memory leak (the camera is removed the next time a camera is added), it's a bit cleaner and easier to check for memory leaks, since the scene root should now always be empty.

removeMeshFromCache()

void IrrDriver::removeMeshFromCache

(

scene::IMesh *

mesh

)

Removes a mesh from the mesh cache, freeing the memory.

Parameters

mesh	The mesh to remove.

removeNode()

void IrrDriver::removeNode

(

scene::ISceneNode *

node

)

Removes a scene node from the scene.

Parameters

node	The scene node to remove.

removeTexture()

void IrrDriver::removeTexture

(

video::ITexture *

t

)

Removes a texture from irrlicht's texture cache.

Parameters

t	The texture to remove.

setAllMaterialFlags()

void IrrDriver::setAllMaterialFlags

(

scene::IMesh *

mesh

)

const

Sets the material flags in this mesh depending on the settings in material_manager.

Parameters

mesh	The mesh to change the settings in.

setAmbientLight()

void IrrDriver::setAmbientLight	(	const video::SColorf &	light,
		bool	force_SH_computation = true
	)

Sets the ambient light.

Parameters

light	The colour of the light to set.
force_SH_computation	If false, do not recompute spherical harmonics coefficient when spherical harmonics textures have been defined

update()

void IrrDriver::update	(	float	dt,
		bool	is_loading = false
	)

Update, called once per frame.

Parameters

dt	Time since last update
is_loading	True if the rendering is called during loading of world, in which case world, physics etc must not be accessed/

updateConfigIfRelevant()

void IrrDriver::updateConfigIfRelevant

(

)

If the position of the window should be remembered, store it in the config file.

Postcondition

The user config file must still be saved!

Member Data Documentation

m_clear_color

irr::video::SColor IrrDriver::m_clear_color

private

Background colour to reset a buffer.

Can be changed by each track.

enum { ... } IrrDriver::m_resolution_changing

Flag to indicate if a resolution change is pending (which will be acted upon in the next update).

None means no change, yes means change to new resolution and trigger confirmation dialog. Yes_warn means that the new resolution is unsupported and that the confirmation dialog needs an additional warning message. Same indicates a change of the resolution (back to the original one), but no confirmation dialog.

---

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

• graphics/irr_driver.hpp
• graphics/irr_driver.cpp