Examples with Component org.terasology.gestalt.entitysystem.component.Component used on opensource projects

Example 11 with Component

use of org.terasology.gestalt.entitysystem.component.Component in project Terasology by MovingBlocks.

the class Actor method getComponentField.

public Object getComponentField(ComponentFieldUri uri) {
    ComponentLibrary componentLibrary = CoreRegistry.get(EntitySystemLibrary.class).getComponentLibrary();
    ComponentMetadata<? extends Component> metadata = componentLibrary.getMetadata(new ResourceUrn(uri.getComponentUri().toString()));
    if (metadata == null) {
        return null;
    }
    Component component = entity.getComponent(metadata.getType());
    if (component == null) {
        return null;
    }
    FieldMetadata<?, ?> fieldMetadata = metadata.getField(uri.getFieldName());
    if (fieldMetadata == null) {
        return null;
    }
    Field field = fieldMetadata.getField();
    try {
        return field.get(component);
    } catch (IllegalAccessException e) {
        throw new RuntimeException(e);
    }
}

Example 12 with Component

use of org.terasology.gestalt.entitysystem.component.Component in project Terasology by MovingBlocks.

the class PrefabData method createFromPrefab.

public static PrefabData createFromPrefab(Prefab prefab) {
    PrefabData result = new PrefabData();
    for (Component component : prefab.iterateComponents()) {
        result.addComponent(component);
    }
    result.setAlwaysRelevant(prefab.isAlwaysRelevant());
    result.setParent(prefab.getParent());
    result.setPersisted(prefab.isPersisted());
    return result;
}

Example 13 with Component

use of org.terasology.gestalt.entitysystem.component.Component in project Terasology by MovingBlocks.

the class EventSystemImpl method registerEventHandler.

@Override
public void registerEventHandler(ComponentSystem handler) {
    Class handlerClass = handler.getClass();
    if (!Modifier.isPublic(handlerClass.getModifiers())) {
        logger.error("Cannot register handler {}, must be public", handler.getClass().getName());
        return;
    }
    logger.debug("Registering event handler " + handlerClass.getName());
    for (Method method : handlerClass.getMethods()) {
        ReceiveEvent receiveEventAnnotation = method.getAnnotation(ReceiveEvent.class);
        if (receiveEventAnnotation != null) {
            if (!receiveEventAnnotation.netFilter().isValidFor(isAutority, false)) {
                continue;
            }
            Set<Class<? extends Component>> requiredComponents = Sets.newLinkedHashSet();
            method.setAccessible(true);
            Class<?>[] types = method.getParameterTypes();
            logger.debug("Found method: " + method.toString());
            if (!Event.class.isAssignableFrom(types[0]) || !EntityRef.class.isAssignableFrom(types[1])) {
                logger.error("Invalid event handler method: {}", method.getName());
                return;
            }
            requiredComponents.addAll(Arrays.asList(receiveEventAnnotation.components()));
            List<Class<? extends Component>> componentParams = Lists.newArrayList();
            for (int i = 2; i < types.length; ++i) {
                if (!Component.class.isAssignableFrom(types[i])) {
                    logger.error("Invalid event handler method: {} - {} is not a component class", method.getName(), types[i]);
                    return;
                }
                requiredComponents.add((Class<? extends Component>) types[i]);
                componentParams.add((Class<? extends Component>) types[i]);
            }
            ByteCodeEventHandlerInfo handlerInfo = new ByteCodeEventHandlerInfo(handler, method, receiveEventAnnotation.priority(), receiveEventAnnotation.activity(), requiredComponents, componentParams);
            addEventHandler((Class<? extends Event>) types[0], handlerInfo, requiredComponents);
        }
    }
}

Example 14 with Component

use of org.terasology.gestalt.entitysystem.component.Component in project Terasology by MovingBlocks.

the class ParticleUpdaterImpl method configureEmitter.

@Override
public void configureEmitter(final ParticleEmitterComponent emitter) {
    emitter.generatorFunctionMap.clear();
    emitter.affectorFunctionMap.clear();
    for (Component c : emitter.ownerEntity.iterateComponents()) {
        if (registeredGeneratorFunctions.containsKey(c.getClass())) {
            emitter.generatorFunctionMap.put(c, registeredGeneratorFunctions.get(c.getClass()));
        } else if (registeredAffectorFunctions.containsKey(c.getClass())) {
            emitter.affectorFunctionMap.put(c, registeredAffectorFunctions.get(c.getClass()));
        }
    }
}

Example 15 with Component

use of org.terasology.gestalt.entitysystem.component.Component in project Terasology by MovingBlocks.

the class EntityRestorer method restore.

public Map<String, EntityRef> restore(EntityData.EntityStore store) {
    EntitySerializer serializer = new EntitySerializer(entityManager);
    serializer.setComponentSerializeCheck(new PersistenceComponentSerializeCheck());
    Map<Class<? extends Component>, Integer> idMap = Maps.newHashMap();
    for (int i = 0; i < store.getComponentClassCount(); ++i) {
        ComponentMetadata<?> metadata = entityManager.getComponentLibrary().resolve(store.getComponentClass(i));
        if (metadata != null) {
            idMap.put(metadata.getType(), i);
        }
    }
    serializer.setComponentIdMapping(idMap);
    store.getEntityList().forEach(serializer::deserialize);
    Map<String, EntityRef> namedEntities = Maps.newHashMap();
    for (int i = 0; i < store.getEntityNameCount() && i < store.getEntityNamedCount(); ++i) {
        namedEntities.put(store.getEntityName(i), entityManager.getEntity(store.getEntityNamed(i)));
    }
    return namedEntities;
}