Unigine::LandscapeMapFileCompression Class

// implement the End event handler
void end_event_handler(const Ptr<LandscapeMapFileCompression> & compression)
{
	Log::message("\Handling End event\n");
}


//////////////////////////////////////////////////////////////////////////////
//  1. Multiple subscriptions can be linked to an instance of the EventConnections 
//  class that you can use later to remove all these subscriptions at once
//////////////////////////////////////////////////////////////////////////////

// create an instance of the EventConnections class
EventConnections end_event_connections;

// link to this instance when subscribing to an event (subscription to various events can be linked)
publisher->getEventEnd().connect(end_event_connections, end_event_handler);

// other subscriptions are also linked to this EventConnections instance 
// (e.g. you can subscribe using lambdas)
publisher->getEventEnd().connect(end_event_connections, [](const Ptr<LandscapeMapFileCompression> & compression) { 
		Log::message("\Handling End event (lambda).\n");
	}
);

// ...

// later all of these linked subscriptions can be removed with a single line
end_event_connections.disconnectAll();

//////////////////////////////////////////////////////////////////////////////
//  2. You can subscribe and unsubscribe via an instance of the EventConnection 
//  class. And toggle this particular connection off and on, when necessary.
//////////////////////////////////////////////////////////////////////////////

// create an instance of the EventConnection class
EventConnection end_event_connection;

// subscribe to the End event with a handler function keeping the connection
publisher->getEventEnd().connect(end_event_connection, end_event_handler);

// ...

// you can temporarily disable a particular event connection to perform certain actions
end_event_connection.setEnabled(false);

// ... actions to be performed

// and enable it back when necessary
end_event_connection.setEnabled(true);

// ...

// remove subscription to the End event via the connection
end_event_connection.disconnect();

//////////////////////////////////////////////////////////////////////////////
//  3. You can add EventConnection/EventConnections instance as a member of the
//  class that handles the event. In this case all linked subscriptions will be 
//  automatically removed when class destructor is called
//////////////////////////////////////////////////////////////////////////////

// Class handling the event
class SomeClass
{
public:
	// instance of the EventConnections class as a class member
	EventConnections e_connections;

	// A End event handler implemented as a class member
	void event_handler(const Ptr<LandscapeMapFileCompression> & compression)
	{
		Log::message("\Handling End event\n");
		// ...
	}
};

SomeClass *sc = new SomeClass();

// ...

// specify a class instance in case a handler method belongs to some class
publisher->getEventEnd().connect(sc->e_connections, sc, &SomeClass::event_handler);

// ...

// handler class instance is deleted with all its subscriptions removed automatically
delete sc;

//////////////////////////////////////////////////////////////////////////////
//  4. You can subscribe and unsubscribe via the handler function directly
//////////////////////////////////////////////////////////////////////////////

// subscribe to the End event with a handler function
publisher->getEventEnd().connect(end_event_handler);


// remove subscription to the End event later by the handler function
publisher->getEventEnd().disconnect(end_event_handler);


//////////////////////////////////////////////////////////////////////////////
//   5. Subscribe to an event saving an ID and unsubscribe later by this ID
//////////////////////////////////////////////////////////////////////////////

// define a connection ID to be used to unsubscribe later
EventConnectionId end_handler_id;

// subscribe to the End event with a lambda handler function and keeping connection ID
end_handler_id = publisher->getEventEnd().connect([](const Ptr<LandscapeMapFileCompression> & compression) { 
		Log::message("\Handling End event (lambda).\n");
	}
);

// remove the subscription later using the ID
publisher->getEventEnd().disconnect(end_handler_id);


//////////////////////////////////////////////////////////////////////////////
//   6. Ignoring all End events when necessary
//////////////////////////////////////////////////////////////////////////////

// you can temporarily disable the event to perform certain actions without triggering it
publisher->getEventEnd().setEnabled(false);

// ... actions to be performed

// and enable it back when necessary
publisher->getEventEnd().setEnabled(true);

// implement the Progress event handler
void progress_event_handler(const Ptr<LandscapeMapFileCompression> & compression)
{
	Log::message("\Handling Progress event\n");
}


//////////////////////////////////////////////////////////////////////////////
//  1. Multiple subscriptions can be linked to an instance of the EventConnections 
//  class that you can use later to remove all these subscriptions at once
//////////////////////////////////////////////////////////////////////////////

// create an instance of the EventConnections class
EventConnections progress_event_connections;

// link to this instance when subscribing to an event (subscription to various events can be linked)
publisher->getEventProgress().connect(progress_event_connections, progress_event_handler);

// other subscriptions are also linked to this EventConnections instance 
// (e.g. you can subscribe using lambdas)
publisher->getEventProgress().connect(progress_event_connections, [](const Ptr<LandscapeMapFileCompression> & compression) { 
		Log::message("\Handling Progress event (lambda).\n");
	}
);

// ...

// later all of these linked subscriptions can be removed with a single line
progress_event_connections.disconnectAll();

//////////////////////////////////////////////////////////////////////////////
//  2. You can subscribe and unsubscribe via an instance of the EventConnection 
//  class. And toggle this particular connection off and on, when necessary.
//////////////////////////////////////////////////////////////////////////////

// create an instance of the EventConnection class
EventConnection progress_event_connection;

// subscribe to the Progress event with a handler function keeping the connection
publisher->getEventProgress().connect(progress_event_connection, progress_event_handler);

// ...

// you can temporarily disable a particular event connection to perform certain actions
progress_event_connection.setEnabled(false);

// ... actions to be performed

// and enable it back when necessary
progress_event_connection.setEnabled(true);

// ...

// remove subscription to the Progress event via the connection
progress_event_connection.disconnect();

//////////////////////////////////////////////////////////////////////////////
//  3. You can add EventConnection/EventConnections instance as a member of the
//  class that handles the event. In this case all linked subscriptions will be 
//  automatically removed when class destructor is called
//////////////////////////////////////////////////////////////////////////////

// Class handling the event
class SomeClass
{
public:
	// instance of the EventConnections class as a class member
	EventConnections e_connections;

	// A Progress event handler implemented as a class member
	void event_handler(const Ptr<LandscapeMapFileCompression> & compression)
	{
		Log::message("\Handling Progress event\n");
		// ...
	}
};

SomeClass *sc = new SomeClass();

// ...

// specify a class instance in case a handler method belongs to some class
publisher->getEventProgress().connect(sc->e_connections, sc, &SomeClass::event_handler);

// ...

// handler class instance is deleted with all its subscriptions removed automatically
delete sc;

//////////////////////////////////////////////////////////////////////////////
//  4. You can subscribe and unsubscribe via the handler function directly
//////////////////////////////////////////////////////////////////////////////

// subscribe to the Progress event with a handler function
publisher->getEventProgress().connect(progress_event_handler);


// remove subscription to the Progress event later by the handler function
publisher->getEventProgress().disconnect(progress_event_handler);


//////////////////////////////////////////////////////////////////////////////
//   5. Subscribe to an event saving an ID and unsubscribe later by this ID
//////////////////////////////////////////////////////////////////////////////

// define a connection ID to be used to unsubscribe later
EventConnectionId progress_handler_id;

// subscribe to the Progress event with a lambda handler function and keeping connection ID
progress_handler_id = publisher->getEventProgress().connect([](const Ptr<LandscapeMapFileCompression> & compression) { 
		Log::message("\Handling Progress event (lambda).\n");
	}
);

// remove the subscription later using the ID
publisher->getEventProgress().disconnect(progress_handler_id);


//////////////////////////////////////////////////////////////////////////////
//   6. Ignoring all Progress events when necessary
//////////////////////////////////////////////////////////////////////////////

// you can temporarily disable the event to perform certain actions without triggering it
publisher->getEventProgress().setEnabled(false);

// ... actions to be performed

// and enable it back when necessary
publisher->getEventProgress().setEnabled(true);

// implement the Begin event handler
void begin_event_handler(const Ptr<LandscapeMapFileCompression> & compression)
{
	Log::message("\Handling Begin event\n");
}


//////////////////////////////////////////////////////////////////////////////
//  1. Multiple subscriptions can be linked to an instance of the EventConnections 
//  class that you can use later to remove all these subscriptions at once
//////////////////////////////////////////////////////////////////////////////

// create an instance of the EventConnections class
EventConnections begin_event_connections;

// link to this instance when subscribing to an event (subscription to various events can be linked)
publisher->getEventBegin().connect(begin_event_connections, begin_event_handler);

// other subscriptions are also linked to this EventConnections instance 
// (e.g. you can subscribe using lambdas)
publisher->getEventBegin().connect(begin_event_connections, [](const Ptr<LandscapeMapFileCompression> & compression) { 
		Log::message("\Handling Begin event (lambda).\n");
	}
);

// ...

// later all of these linked subscriptions can be removed with a single line
begin_event_connections.disconnectAll();

//////////////////////////////////////////////////////////////////////////////
//  2. You can subscribe and unsubscribe via an instance of the EventConnection 
//  class. And toggle this particular connection off and on, when necessary.
//////////////////////////////////////////////////////////////////////////////

// create an instance of the EventConnection class
EventConnection begin_event_connection;

// subscribe to the Begin event with a handler function keeping the connection
publisher->getEventBegin().connect(begin_event_connection, begin_event_handler);

// ...

// you can temporarily disable a particular event connection to perform certain actions
begin_event_connection.setEnabled(false);

// ... actions to be performed

// and enable it back when necessary
begin_event_connection.setEnabled(true);

// ...

// remove subscription to the Begin event via the connection
begin_event_connection.disconnect();

//////////////////////////////////////////////////////////////////////////////
//  3. You can add EventConnection/EventConnections instance as a member of the
//  class that handles the event. In this case all linked subscriptions will be 
//  automatically removed when class destructor is called
//////////////////////////////////////////////////////////////////////////////

// Class handling the event
class SomeClass
{
public:
	// instance of the EventConnections class as a class member
	EventConnections e_connections;

	// A Begin event handler implemented as a class member
	void event_handler(const Ptr<LandscapeMapFileCompression> & compression)
	{
		Log::message("\Handling Begin event\n");
		// ...
	}
};

SomeClass *sc = new SomeClass();

// ...

// specify a class instance in case a handler method belongs to some class
publisher->getEventBegin().connect(sc->e_connections, sc, &SomeClass::event_handler);

// ...

// handler class instance is deleted with all its subscriptions removed automatically
delete sc;

//////////////////////////////////////////////////////////////////////////////
//  4. You can subscribe and unsubscribe via the handler function directly
//////////////////////////////////////////////////////////////////////////////

// subscribe to the Begin event with a handler function
publisher->getEventBegin().connect(begin_event_handler);


// remove subscription to the Begin event later by the handler function
publisher->getEventBegin().disconnect(begin_event_handler);


//////////////////////////////////////////////////////////////////////////////
//   5. Subscribe to an event saving an ID and unsubscribe later by this ID
//////////////////////////////////////////////////////////////////////////////

// define a connection ID to be used to unsubscribe later
EventConnectionId begin_handler_id;

// subscribe to the Begin event with a lambda handler function and keeping connection ID
begin_handler_id = publisher->getEventBegin().connect([](const Ptr<LandscapeMapFileCompression> & compression) { 
		Log::message("\Handling Begin event (lambda).\n");
	}
);

// remove the subscription later using the ID
publisher->getEventBegin().disconnect(begin_handler_id);


//////////////////////////////////////////////////////////////////////////////
//   6. Ignoring all Begin events when necessary
//////////////////////////////////////////////////////////////////////////////

// you can temporarily disable the event to perform certain actions without triggering it
publisher->getEventBegin().setEnabled(false);

// ... actions to be performed

// and enable it back when necessary
publisher->getEventBegin().setEnabled(true);