private EntityData.Entity serializeEntityDelta(EntityRef entityRef, Prefab prefab) {
EntityData.Entity.Builder entity = EntityData.Entity.newBuilder();
entity.setId(entityRef.getId());
entity.setParentPrefab(prefab.getName());
for (Component component : entityRef.iterateComponents()) {
if (component.getClass().equals(EntityInfoComponent.class)) continue;
Component prefabComponent = prefab.getComponent(component.getClass());
EntityData.Component componentData;
if (prefabComponent == null) {
componentData = serializeComponent(component);
} else {
componentData = serializeComponent(prefabComponent, component);
}
if (componentData != null) {
entity.addComponent(componentData);
}
}
for (Component prefabComponent : prefab.listComponents()) {
if (!entityRef.hasComponent(prefabComponent.getClass())) {
entity.addRemovedComponent(ComponentUtil.getComponentClassName(prefabComponent.getClass()));
}
}
return entity.build();
}
@Override
public EntityRef deserializeEntity(EntityData.Entity entityData) {
EntityRef entity = entityManager.createEntityRefWithId(entityData.getId());
if (entityData.hasParentPrefab()
&& !entityData.getParentPrefab().isEmpty()
&& prefabManager.exists(entityData.getParentPrefab())) {
Prefab prefab = prefabManager.getPrefab(entityData.getParentPrefab());
for (Component component : prefab.listComponents()) {
String componentName = ComponentUtil.getComponentClassName(component.getClass());
if (!containsIgnoreCase(componentName, entityData.getRemovedComponentList())) {
entity.addComponent(componentLibrary.copy(component));
}
}
entity.addComponent(new EntityInfoComponent(entityData.getParentPrefab()));
}
for (EntityData.Component componentData : entityData.getComponentList()) {
Class<? extends Component> componentClass = getComponentClass(componentData);
if (componentClass == null) continue;
if (!entity.hasComponent(componentClass)) {
entity.addComponent(deserializeComponent(componentData));
} else {
deserializeComponentOnto(entity.getComponent(componentClass), componentData);
}
}
return entity;
}