/// <inheritdoc />
public virtual bool CanInsert(EntityUid toinsert, IEntityManager?entMan = null)
{
DebugTools.Assert(!Deleted);
// cannot insert into itself.
if (Owner == toinsert)
{
return(false);
}
IoCManager.Resolve(ref entMan);
// no, you can't put maps or grids into containers
if (entMan.HasComponent <IMapComponent>(toinsert) || entMan.HasComponent <IMapGridComponent>(toinsert))
{
return(false);
}
// Crucial, prevent circular insertion.
if (entMan.GetComponent <TransformComponent>(toinsert)
.ContainsEntity(entMan.GetComponent <TransformComponent>(Owner)))
{
return(false);
}
//Improvement: Traverse the entire tree to make sure we are not creating a loop.
//raise events
var insertAttemptEvent = new ContainerIsInsertingAttemptEvent(this, toinsert);
entMan.EventBus.RaiseLocalEvent(Owner, insertAttemptEvent);
if (insertAttemptEvent.Cancelled)
{
return(false);
}
var gettingInsertedAttemptEvent = new ContainerGettingInsertedAttemptEvent(this, toinsert);
entMan.EventBus.RaiseLocalEvent(toinsert, gettingInsertedAttemptEvent);
if (gettingInsertedAttemptEvent.Cancelled)
{
return(false);
}
return(true);
}
/// <summary>
/// Verify that the entity being inserted is actually rechargeable.
/// </summary>
private void OnInsertAttempt(EntityUid uid, ChargerComponent component, ContainerIsInsertingAttemptEvent args)
{
if (!component.Initialized)
{
return;
}
if (args.Container.ID != component.ChargerSlot.ID)
{
return;
}
if (!TryComp(args.EntityUid, out PowerCellSlotComponent? cellSlot))
{
return;
}
if (!cellSlot.FitsInCharger || !cellSlot.CellSlot.HasItem)
{
args.Cancel();
}
}
private void OnCellInsertAttempt(EntityUid uid, PowerCellSlotComponent component, ContainerIsInsertingAttemptEvent args)
{
if (!component.Initialized)
{
return;
}
if (args.Container.ID != component.CellSlot.ID)
{
return;
}
if (!HasComp <PowerCellComponent>(args.EntityUid))
{
args.Cancel();
}
}
private void OnCellInsertAttempt(EntityUid uid, PowerCellSlotComponent component, ContainerIsInsertingAttemptEvent args)
{
if (!component.Initialized)
{
return;
}
if (args.Container.ID != component.CellSlot.ID)
{
return;
}
if (!TryComp(args.EntityUid, out PowerCellComponent? cell) || cell.CellSize != component.SlotSize)
{
args.Cancel();
}
}