/** remove the given entity */
public Entity remove(Entity entity) {
if (!(this.contains(entity))) {
Logger.get().log(Level.WARNING, "Tried to remove an entity which wasnt in the world");
return (null);
}
// remove from global list
this._entities.remove(entity.getWorldID());
// remove from type list
ArrayList<Entity> type_list = this.getEntitiesByType(entity);
if (type_list != null) {
type_list.remove(entity);
if (type_list.size() == 0) {
this._entities_by_type.remove(entity.getClass());
}
}
// remove from model list
Model model = this.getEntityModel(entity);
ArrayList<Entity> model_list = this.getEntitiesByModel(model);
if (model_list != null) {
model_list.remove(entity);
if (model_list.size() == 0) {
this._entities_by_model.remove(model);
}
}
return (entity);
}
/** add an entity to the storage */
public Entity add(Entity entity) {
if (this.contains(entity)) {
return (entity);
}
// generate entity unique id
Integer id = this.generateNextEntityID(entity);
// prepare the entity
entity.setWorldID(id);
// add it to the list
this._entities.put(id, entity);
// spawn the entity
entity.setWorld(this.getWorld());
entity.onSpawn(this.getWorld());
// add it to the type list
this.addEntityToTypeList(entity);
// add it to the model list
this.addEntityToModelList(entity);
// invoke events
this.invokeEvent(new EventEntitySpawn(entity));
return (entity);
}
private void addEntityToTypeList(Entity entity) {
ArrayList<Entity> type_list = this.getEntitiesByType(entity.getClass());
if (type_list == null) {
type_list = new ArrayList<Entity>(1);
this._entities_by_type.put(entity.getClass(), type_list);
}
type_list.add(entity);
}
/** generate unique id for the given entity (assuming the entity isnt already stored */
private Integer generateNextEntityID(Entity entity) {
// get the entity id if it already has one
if (entity.getWorldID() != Entity.DEFAULT_WORLD_ID && !(this.contains(entity.getWorldID()))) {
return (entity.getWorldID());
}
// else generate one
Integer id = entity.hashCode();
while (this.contains(id)) {
++id;
}
return (id);
}
@Override
public void onUpdate(Entity entity) {
this._move.set(entity.getViewVector());
this._move.y = 0;
this._move.normalise();
this._move.scale(entity.getSpeed());
entity.move(this._move);
if (entity instanceof EntityModeled) {
EntityModeled model = (EntityModeled) entity;
ModelInstance instance = model.getModelInstance();
if (instance != null && !instance.isPlayingAnyAnimations()) {
instance.getAnimationInstance(0).startPlay();
}
}
}
/** remove every entities which uses the given model (can be null) */
public Collection<Entity> removeEntitiesByModel(Model model) {
ArrayList<Entity> entities = this.getEntitiesByModel(model);
if (entities == null || entities.size() == 0) {
Logger.get()
.log(
Logger.Level.DEBUG,
"Tried to remove entity with model: "
+ model
+ " but no entities with this model where found.");
return (null);
}
for (Entity entity : entities) {
this._entities.remove(entity.getWorldID());
this._entities_by_type.remove(entity.getClass());
}
this._entities_by_model.remove(model);
return (entities);
}
public ArrayList<Entity> getEntitiesByType(Entity entity) {
return (this.getEntitiesByType(entity.getClass()));
}
public Entity add(Entity entity, float x, float y, float z) {
entity.setPosition(x, y, z);
return (this.add(entity));
}