public bool TryPrototype(EntityUid uid, [NotNullWhen(true)] out EntityPrototype?prototype, MetaDataComponent?metaData = null)
{
if (!Resolve(uid, ref metaData, false))
{
prototype = null;
return(false);
}
prototype = metaData.EntityPrototype;
return(prototype != null);
}
public void Execute(IConsoleShell shell, string argStr, string[] args)
{
var id = args.Length == 0 ? null : string.Join(" ", args);
var entityManager = IoCManager.Resolve <IEntityManager>();
var prototypeManager = IoCManager.Resolve <IPrototypeManager>();
EntityPrototype?prototype = null;
var checkPrototype = !string.IsNullOrEmpty(id);
if (checkPrototype && !prototypeManager.TryIndex(id !, out prototype))
{
shell.WriteError($"Can't find entity prototype with id \"{id}\"!");
return;
}
var entities = 0;
var components = 0;
foreach (var entity in entityManager.GetEntities())
{
var metaData = entityManager.GetComponent <MetaDataComponent>(entity);
if (checkPrototype && metaData.EntityPrototype != prototype || metaData.EntityPrototype == null)
{
continue;
}
var modified = false;
foreach (var component in entityManager.GetComponents(entity))
{
if (metaData.EntityPrototype.Components.ContainsKey(component.Name))
{
continue;
}
entityManager.RemoveComponent(entity, component);
components++;
modified = true;
}
if (modified)
{
entities++;
}
}
shell.WriteLine($"Removed {components} components from {entities} entities{(id == null ? "." : $" with id {id}")}");
/// <summary>
/// Allocates an entity and stores it but does not load components or do initialization.
/// </summary>
private protected Entity AllocEntity(string?prototypeName, EntityUid?uid = null)
{
EntityPrototype?prototype = null;
if (!string.IsNullOrWhiteSpace(prototypeName))
{
// If the prototype doesn't exist then we throw BEFORE we allocate the entity.
prototype = PrototypeManager.Index <EntityPrototype>(prototypeName);
}
var entity = AllocEntity(uid);
entity.Prototype = prototype;
return(entity);
}
public PrototypeSerializationContext(EntityPrototype?owner)
{
prototype = owner;
}