/*
* @brief 創建實體
*/
public T CreateEntity()
{
T entity;
if (EntitiesPoolCount > 0)
{
// 復用
entity = entitiesPool.Pop();
entity.Init(entitySerialId++);
}
else
{
// 新創
entity = entityFactory();
entity.Init(entitySerialId++, entityMaxComponents, componentsPools, debugInfo);
}
//
entities.Add(entity);
entity.AddRef(this);
entitiesCache = null;
//
entity.OnComponentAdd += OnEntityComponentAddOrRemoveHandler;
entity.OnComponentRemove += OnEntityComponentAddOrRemoveHandler;
entity.OnComponentUpdate += OnEntityComponentUpdateHandler;
entity.OnEntityRelease += OnEntityReleaseHandler;
entity.OnEntityDestroy += OnEntityDestroyHandler;
//
OnEntityCreate?.Invoke(this, entity);
return(entity);
}
public Entity Create(Entity prototype = null, Entity previous = null)
{
var newEntity = new Entity
{
Ecs = Ecs,
Prototype = prototype,
Name = prototype?.Name,
};
if (prototype != null)
{
foreach (var c in prototype.Components)
{
var previousComponent = previous?.Components.FirstOrDefault(pc => c.GetType() == pc.GetType());
newEntity.AddComponent((previousComponent ?? c).Clone());
}
}
Destroy(previous);
Entities.Add(newEntity);
OnEntityCreate?.Invoke(newEntity);
return(newEntity);
}