Examples with Event org.terasology.entitySystem.event.Event used on opensource projects

Example 1 with Event

use of org.terasology.entitySystem.event.Event in project Terasology by MovingBlocks.

the class NetClient method processEvents.

private void processEvents(NetData.NetMessage message) {
    boolean lagCompensated = false;
    PredictionSystem predictionSystem = CoreRegistry.get(PredictionSystem.class);
    for (NetData.EventMessage eventMessage : message.getEventList()) {
        try {
            Event event = eventSerializer.deserialize(eventMessage.getEvent());
            EventMetadata<?> metadata = eventLibrary.getMetadata(event.getClass());
            if (metadata.getNetworkEventType() != NetworkEventType.SERVER) {
                logger.warn("Received non-server event '{}' from client '{}'", metadata, getName());
                continue;
            }
            if (!lagCompensated && metadata.isLagCompensated()) {
                if (predictionSystem != null) {
                    predictionSystem.lagCompensate(getEntity(), lastReceivedTime);
                }
                lagCompensated = true;
            }
            EntityRef target = EntityRef.NULL;
            if (eventMessage.hasTargetId()) {
                target = networkSystem.getEntity(eventMessage.getTargetId());
            }
            if (target.exists()) {
                if (Objects.equal(networkSystem.getOwner(target), this)) {
                    target.send(event);
                } else {
                    logger.warn("Received event {} for non-owned entity {} from {}", event, target, this);
                }
            }
        } catch (DeserializationException e) {
            logger.error("Failed to deserialize event", e);
        } catch (RuntimeException e) {
            logger.error("Error processing event", e);
        }
    }
    if (lagCompensated && predictionSystem != null) {
        predictionSystem.restoreToPresent();
    }
}

Example 2 with Event

use of org.terasology.entitySystem.event.Event in project Terasology by MovingBlocks.

the class ServerImpl method processEvent.

private void processEvent(NetData.EventMessage message) {
    try {
        Event event = eventSerializer.deserialize(message.getEvent());
        EntityRef target = EntityRef.NULL;
        if (message.hasTargetBlockPos()) {
            target = blockEntityRegistry.getBlockEntityAt(NetMessageUtil.convert(message.getTargetBlockPos()));
        } else if (message.hasTargetId()) {
            target = networkSystem.getEntity(message.getTargetId());
        }
        if (target.exists()) {
            target.send(event);
        } else {
            logger.info("Dropping event {} for unavailable entity {}", event.getClass().getSimpleName(), target);
        }
    } catch (DeserializationException e) {
        logger.error("Failed to deserialize event", e);
    }
}

Example 3 with Event

use of org.terasology.entitySystem.event.Event in project Terasology by MovingBlocks.

the class LocalChunkProviderTest method testCompleteUpdateSendsBlockActivatedEvents.

@Test
public void testCompleteUpdateSendsBlockActivatedEvents() throws Exception {
    final Chunk chunk = mockChunkAt(0, 0, 0);
    final TShortObjectHashMap<TIntList> blockPositionMappings = new TShortObjectHashMap<>();
    final short blockId = 42;
    final EntityRef blockEntity = mock(EntityRef.class);
    registerBlockWithIdAndEntity(blockId, blockEntity, blockManager);
    blockPositionMappings.put(blockId, withPositions(new Vector3i(1, 2, 3)));
    final ReadyChunkInfo readyChunkInfo = ReadyChunkInfo.createForRestoredChunk(chunk, blockPositionMappings, mock(ChunkStore.class), Collections.emptyList());
    when(chunkFinalizer.completeFinalization()).thenReturn(readyChunkInfo);
    chunkProvider.completeUpdate();
    final ArgumentCaptor<Event> eventArgumentCaptor = ArgumentCaptor.forClass(Event.class);
    verify(blockEntity, atLeastOnce()).send(eventArgumentCaptor.capture());
    final Event event = eventArgumentCaptor.getAllValues().get(1);
    assertThat(event, instanceOf(OnActivatedBlocks.class));
    assertThat(((OnActivatedBlocks) event).getBlockPositions(), hasItem(new Vector3i(1, 2, 3)));
}

Example 4 with Event

use of org.terasology.entitySystem.event.Event in project Terasology by MovingBlocks.

the class LocalChunkProviderTest method testCompleteUpdateSendsBlockAddedEvents.

@Test
public void testCompleteUpdateSendsBlockAddedEvents() throws Exception {
    final Chunk chunk = mockChunkAt(0, 0, 0);
    final short blockId = 42;
    final EntityRef blockEntity = mock(EntityRef.class);
    registerBlockWithIdAndEntity(blockId, blockEntity, blockManager);
    final TShortObjectHashMap<TIntList> blockPositionMappings = new TShortObjectHashMap<>();
    blockPositionMappings.put(blockId, withPositions(new Vector3i(1, 2, 3)));
    final ReadyChunkInfo readyChunkInfo = ReadyChunkInfo.createForRestoredChunk(chunk, blockPositionMappings, mock(ChunkStore.class), Collections.emptyList());
    when(chunkFinalizer.completeFinalization()).thenReturn(readyChunkInfo);
    chunkProvider.completeUpdate();
    final ArgumentCaptor<Event> eventArgumentCaptor = ArgumentCaptor.forClass(Event.class);
    verify(blockEntity, atLeastOnce()).send(eventArgumentCaptor.capture());
    final Event event = eventArgumentCaptor.getAllValues().get(0);
    assertThat(event, instanceOf(OnAddedBlocks.class));
    assertThat(((OnAddedBlocks) event).getBlockPositions(), hasItem(new Vector3i(1, 2, 3)));
}

Example 5 with Event

use of org.terasology.entitySystem.event.Event in project Terasology by MovingBlocks.

the class EventSerializer method serialize.

/**
 * Serializes an event.
 *
 * @param event
 * @return The serialized event
 * @throws org.terasology.persistence.typeHandling.SerializationException if an error occurs during serialization
 */
public EntityData.Event serialize(Event event) {
    EventMetadata<?> eventMetadata = eventLibrary.getMetadata(event.getClass());
    if (eventMetadata == null) {
        throw new SerializationException("Unregistered event type: " + event.getClass());
    } else if (!eventMetadata.isConstructable()) {
        throw new SerializationException("Cannot serialize event '" + eventMetadata + "' - lacks default constructor so cannot be deserialized");
    }
    EntityData.Event.Builder eventData = EntityData.Event.newBuilder();
    serializeEventType(event, eventData);
    Serializer eventSerializer = typeSerializationLibrary.getSerializerFor(eventMetadata);
    ByteString.Output fieldIds = ByteString.newOutput();
    for (ReplicatedFieldMetadata field : eventMetadata.getFields()) {
        if (field.isReplicated()) {
            EntityData.Value serializedValue = ((ProtobufPersistedData) eventSerializer.serialize(field, event, serializationContext)).getValue();
            if (serializedValue != null) {
                eventData.addFieldValue(serializedValue);
                fieldIds.write(field.getId());
            }
        }
    }
    eventData.setFieldIds(fieldIds.toByteString());
    return eventData.build();
}