Urho3D::Time Class Reference

Time and frame counter subsystem. More...

#include <Urho3D/Core/Timer.h>

Inheritance diagram for Urho3D::Time:

Public Member Functions
	Time (Context *context)
	Construct.
	~Time () override
	Destruct. Reset the low-resolution timer period if set.
void	BeginFrame (float timeStep)
	Begin new frame, with (last) frame duration in seconds and send frame start event.
void	EndFrame ()
	End frame. Increment total time and send frame end event.
void	SetTimerPeriod (unsigned mSec)
	Set the low-resolution timer period in milliseconds. 0 resets to the default period.
unsigned	GetFrameNumber () const
float	GetTimeStep () const
unsigned	GetTimerPeriod () const
	Return current low-resolution timer period in milliseconds.
float	GetElapsedTime ()
float	GetFramesPerSecond () const
Public Member Functions inherited from Urho3D::Object
	Object (Context *context)
	Construct.
	~Object () override
	Destruct. Clean up self from event sender & receiver structures.
virtual StringHash	GetType () const =0
virtual const ea::string &	GetTypeName () const =0
virtual const TypeInfo *	GetTypeInfo () const =0
	Return type info.
virtual bool	IsInstanceOf (StringHash type) const =0
	Check whether current instance implements specified type.
virtual void	OnEvent (Object *sender, StringHash eventType, VariantMap &eventData)
	Handle event.
virtual void	SerializeInBlock (Archive &archive)
	Serialize content from/to archive. May throw ArchiveException.
template<typename T >
bool	IsInstanceOf () const
	Check current instance is type of specified class.
template<typename T >
T *	Cast ()
	Cast the object to specified most derived class.
template<typename T >
const T *	Cast () const
	Cast the object to specified most derived class.
void	SubscribeToEventManual (StringHash eventType, EventHandler *handler)
	Subscribe to an event that can be sent by any sender.
void	SubscribeToEventManual (Object *sender, StringHash eventType, EventHandler *handler)
	Subscribe to a specific sender's event.
template<class T >
void	SubscribeToEvent (StringHash eventType, T handler)
	Subscribe to an event that can be sent by any sender.
template<class T >
void	SubscribeToEvent (Object *sender, StringHash eventType, T 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 ea::vector< StringHash > &exceptions)
	Unsubscribe from all events except those listed.
void	UnsubscribeFromAllEventsExcept (const ea::vector< Object * > &exceptions)
	Unsubscribe from all events except those with listed senders.
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.
template<typename... Args>
void	SendEvent (StringHash eventType, const Args &... args)
	Send event with variadic parameter pairs to all subscribers. The parameters are (paramID, paramValue) pairs.
Context *	GetContext () const
	Return execution context.
const Variant &	GetGlobalVar (StringHash key) const
const VariantMap &	GetGlobalVars () const
void	SetGlobalVar (StringHash key, const Variant &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 ea::string &	GetCategory () const
void	SendEvent (StringHash eventType, const VariantMap &eventData)
	Send event with parameters to all subscribers.
void	SetBlockEvents (bool block)
	Block object from sending and receiving events.
bool	GetBlockEvents () const
	Return sending and receiving events blocking status.
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.
	RefCounted (const RefCounted &rhs)=delete
	Prevent copy construction.
RefCounted &	operator= (const RefCounted &rhs)=delete
	Prevent assignment.
int	AddRef ()
int	ReleaseRef ()
int	Refs () const
int	WeakRefs () const
RefCount *	RefCountPtr () const
	Return pointer to the reference count structure.
bool	HasScriptObject () const
	Return true if script runtime object wrapping this native object exists.
bool	IsScriptStrongRef () const
	Return true if script reference is strong.

Static Public Member Functions
static unsigned	GetSystemTime ()
	Get system time as milliseconds.
static unsigned	GetTimeSinceEpoch ()
	Get system time as seconds since 1.1.1970.
static ea::string	GetTimeStamp (const char *format=nullptr)
	Get a date/time stamp as a string.
static ea::string	GetTimeStamp (time_t timestamp, const char *format=nullptr)
	Get a date/time stamp as a string.
static void	Sleep (unsigned mSec)
	Sleep for a number of milliseconds.
Static Public Member Functions inherited from Urho3D::Object
static const TypeInfo *	GetTypeInfoStatic ()
	Return type info static.

Private Member Functions
	URHO3D_OBJECT (Time, Object)

Private Attributes
Timer	elapsedTime_
	Elapsed time since program start.
unsigned	frameNumber_
	Frame number.
float	timeStep_
	Timestep in seconds.
unsigned	timerPeriod_
	Low-resolution timer period.

Additional Inherited Members
Static Public Attributes inherited from Urho3D::Object
static constexpr ea::array< StringHash, 0 >	TypeHierarchy {}
Protected Attributes inherited from Urho3D::Object
WeakPtr< Context >	context_
	Execution context.

Detailed Description

Time and frame counter subsystem.

Member Function Documentation

GetElapsedTime()

float Urho3D::Time::GetElapsedTime

(

)

Return elapsed time from program start as seconds.

GetFrameNumber()

unsigned Urho3D::Time::GetFrameNumber ( ) const

inline

Return frame number, starting from 1 once BeginFrame() is called for the first time.

GetFramesPerSecond()

float Urho3D::Time::GetFramesPerSecond

(

)

const

Return current frames per second.

GetTimeStep()

float Urho3D::Time::GetTimeStep ( ) const

inline

Return current frame timestep as seconds.

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

• Urho3D/Core/Timer.h
• Urho3D/Core/Timer.cpp