feat(event): Add unregisterAll method to EventService and EventHandlerRegistry

src/main/java/de/extio/game_engine/event/EventHandlerRegistry.java

@@ -22,6 +22,12 @@ public class EventHandlerRegistry {
 			consumers.removeIf(ec -> ec.id().equals(consumerId));
 		}
 	}
+
+	public void unregisterAll(final String consumerId) {
+		for (final var consumers : this.handlers.values()) {
+			consumers.removeIf(ec -> ec.id().equals(consumerId));
+		}
+	}
 	
 	List<EventConsumer> getHandlers(final Class<? extends Event> eventClass) {
 		return this.handlers.get(eventClass);

src/main/java/de/extio/game_engine/event/EventService.java

@@ -7,6 +7,8 @@ public interface EventService {
 	<T extends Event> void register(Class<T> eventClass, String consumerId, Consumer<T> consumer);
 	
 	void unregister(Class<? extends Event> eventClass, String consumerId);
+
+	void unregisterAll(String consumerId);
 	
 	void fire(Event event);
 	

src/main/java/de/extio/game_engine/event/EventServiceImpl.java

@@ -22,6 +22,11 @@ public class EventServiceImpl implements EventService {
 		this.registry.unregister(eventClass, consumerId);
 	}
 
+	@Override
+	public void unregisterAll(final String consumerId) {
+		this.registry.unregisterAll(consumerId);
+	}
+
 	@Override
 	public void fire(final Event event) {
 		this.executor.submit(event);

src/test/java/de/extio/game_engine/event/EventServiceTest.java

@@ -107,6 +107,21 @@ class EventServiceTest {
 				.untilAsserted(() -> assertThat(this.receivedEvents).isEmpty());
 	}
 
+	@Test
+	void testUnregisterAll() throws InterruptedException {
+		this.eventService.register(TestEvent.class, "consumer1", event -> this.receivedEvents.add(event));
+		this.eventService.register(OtherTestEvent.class, "consumer1", event -> this.receivedEvents.add(event));
+
+		this.eventService.unregisterAll("consumer1");
+
+		this.eventService.fire(new TestEvent("test"));
+		this.eventService.fire(new OtherTestEvent("other"));
+
+		await().pollDelay(Duration.ofMillis(50))
+				.atMost(Duration.ofMillis(200))
+				.untilAsserted(() -> assertThat(this.receivedEvents).isEmpty());
+	}
+
 	@Test
 	void testConsumerReregistration() throws InterruptedException {
 		final var firstLatch = new CountDownLatch(1);