Urho3D::Material Class Reference

Describes how to render 3D geometries. More...

#include <Urho3D/Graphics/Material.h>

Inheritance diagram for Urho3D::Material:

Collaboration diagram for Urho3D::Material:

Public Member Functions
	Material (Context *context)
	Construct.
	~Material ()
	Destruct.
virtual bool	BeginLoad (Deserializer &source)
	Load resource from stream. May be called from a worker thread. Return true if successful.
virtual bool	EndLoad ()
	Finish resource loading. Always called from the main thread. Return true if successful.
virtual bool	Save (Serializer &dest) const
	Save resource. Return true if successful.
bool	Load (const XMLElement &source)
	Load from an XML element. Return true if successful.
bool	Save (XMLElement &dest) const
	Save to an XML element. Return true if successful.
bool	Load (const JSONValue &source)
	Load from a JSON value. Return true if successful.
bool	Save (JSONValue &dest) const
	Save to a JSON value. Return true if successful.
void	SetNumTechniques (unsigned num)
	Set number of techniques.
void	SetTechnique (unsigned index, Technique *tech, unsigned qualityLevel=0, float lodDistance=0.0f)
	Set technique.
void	SetVertexShaderDefines (const String &defines)
	Set additional vertex shader defines. Separate multiple defines with spaces. Setting defines at the material level causes technique(s) to be cloned as necessary.
void	SetPixelShaderDefines (const String &defines)
	Set additional pixel shader defines. Separate multiple defines with spaces. Setting defines at the material level causes technique(s) to be cloned as necessary.
void	SetShaderParameter (const String &name, const Variant &value)
	Set shader parameter.
void	SetShaderParameterAnimation (const String &name, ValueAnimation *animation, WrapMode wrapMode=WM_LOOP, float speed=1.0f)
	Set shader parameter animation.
void	SetShaderParameterAnimationWrapMode (const String &name, WrapMode wrapMode)
	Set shader parameter animation wrap mode.
void	SetShaderParameterAnimationSpeed (const String &name, float speed)
	Set shader parameter animation speed.
void	SetTexture (TextureUnit unit, Texture *texture)
	Set texture.
void	SetUVTransform (const Vector2 &offset, float rotation, const Vector2 &repeat)
	Set texture coordinate transform.
void	SetUVTransform (const Vector2 &offset, float rotation, float repeat)
	Set texture coordinate transform.
void	SetCullMode (CullMode mode)
	Set culling mode.
void	SetShadowCullMode (CullMode mode)
	Set culling mode for shadows.
void	SetFillMode (FillMode mode)
	Set polygon fill mode. Interacts with the camera's fill mode setting so that the "least filled" mode will be used.
void	SetDepthBias (const BiasParameters &parameters)
	Set depth bias parameters for depth write and compare. Note that the normal offset parameter is not used and will not be saved, as it affects only shadow map sampling during light rendering.
void	SetAlphaToCoverage (bool enable)
	Set alpha-to-coverage mode on all passes.
void	SetLineAntiAlias (bool enable)
	Set line antialiasing on/off. Has effect only on models that consist of line lists.
void	SetRenderOrder (unsigned char order)
	Set 8-bit render order within pass. Default 128. Lower values will render earlier and higher values later, taking precedence over e.g. state and distance sorting.
void	SetOcclusion (bool enable)
	Set whether to use in occlusion rendering. Default true.
void	SetScene (Scene *scene)
	Associate the material with a scene to ensure that shader parameter animation happens in sync with scene update, respecting the scene time scale. If no scene is set, the global update events will be used.
void	RemoveShaderParameter (const String &name)
	Remove shader parameter.
void	ReleaseShaders ()
	Reset all shader pointers.
SharedPtr< Material >	Clone (const String &cloneName=String::EMPTY) const
	Clone the material.
void	SortTechniques ()
	Ensure that material techniques are listed in correct order.
void	MarkForAuxView (unsigned frameNumber)
	Mark material for auxiliary view rendering.
unsigned	GetNumTechniques () const
	Return number of techniques.
const Vector< TechniqueEntry > &	GetTechniques () const
	Return all techniques.
const TechniqueEntry &	GetTechniqueEntry (unsigned index) const
	Return technique entry by index.
Technique *	GetTechnique (unsigned index) const
	Return technique by index.
Pass *	GetPass (unsigned index, const String &passName) const
	Return pass by technique index and pass name.
Texture *	GetTexture (TextureUnit unit) const
	Return texture by unit.
const HashMap< TextureUnit, SharedPtr< Texture > > &	GetTextures () const
	Return all textures.
const String &	GetVertexShaderDefines () const
	Return additional vertex shader defines.
const String &	GetPixelShaderDefines () const
	Return additional pixel shader defines.
const Variant &	GetShaderParameter (const String &name) const
	Return shader parameter.
ValueAnimation *	GetShaderParameterAnimation (const String &name) const
	Return shader parameter animation.
WrapMode	GetShaderParameterAnimationWrapMode (const String &name) const
	Return shader parameter animation wrap mode.
float	GetShaderParameterAnimationSpeed (const String &name) const
	Return shader parameter animation speed.
const HashMap< StringHash, MaterialShaderParameter > &	GetShaderParameters () const
	Return all shader parameters.
CullMode	GetCullMode () const
	Return normal culling mode.
CullMode	GetShadowCullMode () const
	Return culling mode for shadows.
FillMode	GetFillMode () const
	Return polygon fill mode.
const BiasParameters &	GetDepthBias () const
	Return depth bias.
bool	GetAlphaToCoverage () const
	Return alpha-to-coverage mode.
bool	GetLineAntiAlias () const
	Return whether line antialiasing is enabled.
unsigned char	GetRenderOrder () const
	Return render order.
unsigned	GetAuxViewFrameNumber () const
	Return last auxiliary view rendered frame number.
bool	GetOcclusion () const
	Return whether should render occlusion.
bool	GetSpecular () const
	Return whether should render specular.
Scene *	GetScene () const
	Return the scene associated with the material for shader parameter animation updates.
unsigned	GetShaderParameterHash () const
	Return shader parameter hash value. Used as an optimization to avoid setting shader parameters unnecessarily.
Public Member Functions inherited from Urho3D::Resource
	Resource (Context *context)
	Construct.
bool	Load (Deserializer &source)
	Load resource synchronously. Call both BeginLoad() & EndLoad() and return true if both succeeded.
bool	LoadFile (const String &fileName)
	Load resource from file.
virtual bool	SaveFile (const String &fileName) const
	Save resource to file.
void	SetName (const String &name)
	Set name.
void	SetMemoryUse (unsigned size)
	Set memory use in bytes, possibly approximate.
void	ResetUseTimer ()
	Reset last used timer.
void	SetAsyncLoadState (AsyncLoadState newState)
	Set the asynchronous loading state. Called by ResourceCache. Resources in the middle of asynchronous loading are not normally returned to user.
const String &	GetName () const
	Return name.
StringHash	GetNameHash () const
	Return name hash.
unsigned	GetMemoryUse () const
	Return memory use in bytes, possibly approximate.
unsigned	GetUseTimer ()
	Return time since last use in milliseconds. If referred to elsewhere than in the resource cache, returns always zero.
AsyncLoadState	GetAsyncLoadState () const
	Return the asynchronous loading state.
Public Member Functions inherited from Urho3D::Object
	Object (Context *context)
	Construct.
virtual	~Object ()
	Destruct. Clean up self from event sender & receiver structures.
virtual StringHash	GetType () const =0
	Return type hash.
virtual const String &	GetTypeName () const =0
	Return type name.
virtual const TypeInfo *	GetTypeInfo () const =0
	Return type info.
virtual void	OnEvent (Object *sender, StringHash eventType, VariantMap &eventData)
	Handle event.
bool	IsInstanceOf (StringHash type) const
	Check current instance is type of specified type.
bool	IsInstanceOf (const TypeInfo *typeInfo) const
	Check current instance is type of specified type.
template<typename T >
bool	IsInstanceOf () const
	Check current instance is type of specified class.
void	SubscribeToEvent (StringHash eventType, EventHandler *handler)
	Subscribe to an event that can be sent by any sender.
void	SubscribeToEvent (Object *sender, StringHash eventType, EventHandler *handler)
	Subscribe to a specific sender's event.
void	UnsubscribeFromEvent (StringHash eventType)
	Unsubscribe from an event.
void	UnsubscribeFromEvent (Object *sender, StringHash eventType)
	Unsubscribe from a specific sender's event.
void	UnsubscribeFromEvents (Object *sender)
	Unsubscribe from a specific sender's events.
void	UnsubscribeFromAllEvents ()
	Unsubscribe from all events.
void	UnsubscribeFromAllEventsExcept (const PODVector< StringHash > &exceptions, bool onlyUserData)
	Unsubscribe from all events except those listed, and optionally only those with userdata (script registered events.)
void	SendEvent (StringHash eventType)
	Send event to all subscribers.
void	SendEvent (StringHash eventType, VariantMap &eventData)
	Send event with parameters to all subscribers.
VariantMap &	GetEventDataMap () const
	Return a preallocated map for event data. Used for optimization to avoid constant re-allocation of event data maps.
Context *	GetContext () const
	Return execution context.
const Variant &	GetGlobalVar (StringHash key) const
	Return global variable based on key.
const VariantMap &	GetGlobalVars () const
	Return all global variables.
void	SetGlobalVar (StringHash key, const Variant &value)
	Set global variable with the respective key and value.
Object *	GetSubsystem (StringHash type) const
	Return subsystem by type.
Object *	GetEventSender () const
	Return active event sender. Null outside event handling.
EventHandler *	GetEventHandler () const
	Return active event handler. Null outside event handling.
bool	HasSubscribedToEvent (StringHash eventType) const
	Return whether has subscribed to an event without specific sender.
bool	HasSubscribedToEvent (Object *sender, StringHash eventType) const
	Return whether has subscribed to a specific sender's event.
bool	HasEventHandlers () const
	Return whether has subscribed to any event.
template<class T >
T *	GetSubsystem () const
	Template version of returning a subsystem.
const String &	GetCategory () const
	Return object category. Categories are (optionally) registered along with the object factory. Return an empty string if the object category is not registered.
Public Member Functions inherited from Urho3D::RefCounted
	RefCounted ()
	Construct. Allocate the reference count structure and set an initial self weak reference.
virtual	~RefCounted ()
	Destruct. Mark as expired and also delete the reference count structure if no outside weak references exist.
void	AddRef ()
	Increment reference count. Can also be called outside of a SharedPtr for traditional reference counting.
void	ReleaseRef ()
	Decrement reference count and delete self if no more references. Can also be called outside of a SharedPtr for traditional reference counting.
int	Refs () const
	Return reference count.
int	WeakRefs () const
	Return weak reference count.
RefCount *	RefCountPtr ()
	Return pointer to the reference count structure.

Static Public Member Functions
static void	RegisterObject (Context *context)
	Register object factory.
static String	GetTextureUnitName (TextureUnit unit)
	Return name for texture unit.
static Variant	ParseShaderParameterValue (const String &value)
	Parse a shader parameter value from a string. Retunrs either a bool, a float, or a 2 to 4-component vector.
Static Public Member Functions inherited from Urho3D::Object
static const TypeInfo *	GetTypeInfoStatic ()
	Return type info static.

Private Member Functions
	URHO3D_OBJECT (Material, Resource)
bool	BeginLoadJSON (Deserializer &source)
	Helper function for loading JSON files.
bool	BeginLoadXML (Deserializer &source)
	Helper function for loading XML files.
void	ResetToDefaults ()
	Reset to defaults.
void	RefreshShaderParameterHash ()
	Recalculate shader parameter hash.
void	RefreshMemoryUse ()
	Recalculate the memory used by the material.
void	ApplyShaderDefines (unsigned index=M_MAX_UNSIGNED)
	Reapply shader defines to technique index. By default reapply all.
ShaderParameterAnimationInfo *	GetShaderParameterAnimationInfo (const String &name) const
	Return shader parameter animation info.
void	UpdateEventSubscription ()
	Update whether should be subscribed to scene or global update events for shader parameter animation.
void	HandleAttributeAnimationUpdate (StringHash eventType, VariantMap &eventData)
	Update shader parameter animations.

Private Attributes
Vector< TechniqueEntry >	techniques_
	Techniques.
HashMap< TextureUnit, SharedPtr< Texture > >	textures_
	Textures.
HashMap< StringHash, MaterialShaderParameter >	shaderParameters_
	Shader parameters.
HashMap< StringHash, SharedPtr < ShaderParameterAnimationInfo > >	shaderParameterAnimationInfos_
	Shader parameters animation infos.
String	vertexShaderDefines_
	Vertex shader defines.
String	pixelShaderDefines_
	Pixel shader defines.
CullMode	cullMode_
	Normal culling mode.
CullMode	shadowCullMode_
	Culling mode for shadow rendering.
FillMode	fillMode_
	Polygon fill mode.
BiasParameters	depthBias_
	Depth bias parameters.
unsigned char	renderOrder_
	Render order value.
unsigned	auxViewFrameNumber_
	Last auxiliary view rendered frame number.
unsigned	shaderParameterHash_
	Shader parameter hash value.
bool	alphaToCoverage_
	Alpha-to-coverage flag.
bool	lineAntiAlias_
	Line antialiasing flag.
bool	occlusion_
	Render occlusion flag.
bool	specular_
	Specular lighting flag.
bool	subscribed_
	Flag for whether is subscribed to animation updates.
bool	batchedParameterUpdate_
	Flag to suppress parameter hash and memory use recalculation when setting multiple shader parameters (loading or resetting the material.)
SharedPtr< XMLFile >	loadXMLFile_
	XML file used while loading.
SharedPtr< JSONFile >	loadJSONFile_
	JSON file used while loading.
WeakPtr< Scene >	scene_
	Associated scene for shader parameter animation updates.

Additional Inherited Members
Protected Attributes inherited from Urho3D::Object
Context *	context_
	Execution context.

Detailed Description

Describes how to render 3D geometries.

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

• Source/Urho3D/Graphics/Material.h
• Source/Urho3D/Graphics/Material.cpp