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);
}
/** 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);
}
/** 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()));
}