/** Spawns an entity into the world. Fires off a cancellable EntitySpawnEvent */
public void spawnEntity(Entity e, int entityID) {
if (e.isSpawned()) {
throw new IllegalArgumentException("Cannot spawn an entity that is already spawned!");
}
SpoutRegion region = (SpoutRegion) e.getRegion();
if (region == null) {
throw new IllegalStateException("Cannot spawn an entity that has a null region!");
}
if (region.getEntityManager().isSpawnable((SpoutEntity) e)) {
if (entityID > -1) {
if (getEngine().getPlatform() == Platform.CLIENT) {
((SpoutEntity) e).setId(entityID);
} else {
throw new IllegalArgumentException("Can not set entity id's manually");
}
}
EntitySpawnEvent event =
getEngine()
.getEventManager()
.callEvent(new EntitySpawnEvent(e, e.getScene().getPosition()));
if (event.isCancelled()) {
return;
}
region.getEntityManager().addEntity((SpoutEntity) e);
// Alert world components that an entity entered
for (Component component : values()) {
if (component instanceof WorldComponent) {
((WorldComponent) component).onSpawn(event);
}
}
// Alert entity components that their owner spawned
for (Component component : e.values()) {
if (component instanceof EntityComponent) {
((EntityComponent) component).onSpawned(event);
}
}
} else {
throw new IllegalStateException("Cannot spawn an entity that already has an id!");
}
}
