Signal

Signal class for observer pattern implementation.

Provides a lightweight event system using static allocation. Signals can be emitted with parameters and connected to callbacks.

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Namespace: enjin2

Header: include/enjin2/core/signal.hpp

Public Methods

Signal()

Constructor.

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int connect(CallbackType callback)

Connect a callback to this signal.

callbackFunction to call when signal is emitted Connection ID (can be used to disconnect) or -1 if failed

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void disconnect(int connectionId)

Disconnect a callback by connection ID.

connectionIdConnection ID returned by connect()

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void emit(Args... args)

Emit the signal, calling all connected callbacks.

argsArguments to pass to callbacks

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void disconnectAll()

Disconnect all callbacks.

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size_t getConnectionCount() const

Get number of active connections.

Number of connected callbacks

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bool hasConnections() const

Check if signal has any connections.

True if there are active connections

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void operator()(Args... args)

Operator() for emitting signals.

argsArguments to pass to callbacks

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