Detailed Description

Simple event manager.

Supports both C++ and Lua handlers. Events are queued via push and delivered in FIFO order each frame. The C++ handlers are called before the Lua ones.

Public Member Functions
void	push (const Event &e)

unique_id	subscribe (const event_type &type, unique_id id, EventHandlerCallback callback)

unique_id	subscribe (const event_type &type, const std::vector< unique_id > &ids, EventHandlerCallback callback)

unique_id	subscribe (const event_type &type, EventHandlerCallback callback)

void	unsubscribe (unique_id id)

void	fire (Event &event)

	EventManager (size_t reservedCapacity)

	~EventManager ()

Constructor & Destructor Documentation

EventManager ( size_t reservedCapacity )

Creates an EventManager with an initial capacity for the event queue.

Parameters

reservedCapacity The initial number of events to reserve space for.

~EventManager ( )

Member Function Documentation

void fire ( Event & event )

Immediately deliver an event to all interested handlers.

Parameters

event The event to fire.

void push ( const Event & e )

Enqueue an event to be delivered on next processing.

Parameters

e	The event to push into the queue.

unique_id subscribe	(	const event_type &	type,
		const std::vector< unique_id > &	ids,
		EventHandlerCallback	callback
	)

Subscribe a C++ handler to a given event type and multiple target ids. All ids share the same handler id; a single unsubscribe() call removes all of them.

Parameters

type	The event kind to listen to.
ids	The target ids to filter on.
callback	Reference to a callable receiving the event.

unique_id subscribe	(	const event_type &	type,
		EventHandlerCallback	callback
	)

Subscribe a C++ handler to a given global event type. Subscribers are called in order of subscription.

Parameters

type	The event kind to listen to.
callback	Reference to a callable receiving the event.

unique_id subscribe	(	const event_type &	type,
		unique_id	id,
		EventHandlerCallback	callback
	)

Subscribe a C++ handler to a given event type and target id. Subscribers are called in order of subscription.

Parameters

type	The event kind to listen to.
id	The specific target id to filter on.
callback	Reference to a callable receiving the event.

void unsubscribe ( unique_id id )

Unsubscribe a C++ handler to a given global event type

Parameters

id	Previously registered handler

Detailed Description

Public Member Functions

Constructor & Destructor Documentation

Member Function Documentation