private void HandleDragDropRequestEvent(DragDropRequestEvent msg, EntitySessionEventArgs args)
{
if (!ValidateClientInput(args.SenderSession, msg.DropLocation, msg.Target, out var userEntity))
{
Logger.InfoS("system.interaction", $"DragDropRequestEvent input validation failed");
return;
}
if (!_actionBlockerSystem.CanInteract(userEntity.Value))
{
return;
}
if (!EntityManager.EntityExists(msg.Dropped))
{
return;
}
if (!EntityManager.EntityExists(msg.Target))
{
return;
}
var interactionArgs = new DragDropEvent(userEntity.Value, msg.DropLocation, msg.Dropped, msg.Target);
// must be in range of both the target and the object they are drag / dropping
// Client also does this check but ya know we gotta validate it.
if (!interactionArgs.InRangeUnobstructed(ignoreInsideBlocker: true, popup: true))
{
return;
}
// trigger dragdrops on the dropped entity
RaiseLocalEvent(msg.Dropped, interactionArgs);
foreach (var dragDrop in EntityManager.GetComponents <IDraggable>(msg.Dropped))
{
if (dragDrop.CanDrop(interactionArgs) &&
dragDrop.Drop(interactionArgs))
{
return;
}
}
// trigger dragdropons on the targeted entity
RaiseLocalEvent(msg.Target, interactionArgs, false);
foreach (var dragDropOn in EntityManager.GetComponents <IDragDropOn>(msg.Target))
{
if (dragDropOn.CanDragDropOn(interactionArgs) &&
dragDropOn.DragDropOn(interactionArgs))
{
return;
}
}
}
private void HandleDragDropMessage(DragDropRequestEvent msg, EntitySessionEventArgs args)
{
var performer = args.SenderSession.AttachedEntity;
if (performer == null)
{
return;
}
if (!EntityManager.TryGetEntity(msg.Dropped, out var dropped))
{
return;
}
if (!EntityManager.TryGetEntity(msg.Target, out var target))
{
return;
}
var interactionArgs = new DragDropEvent(performer, msg.DropLocation, dropped, target);
// must be in range of both the target and the object they are drag / dropping
// Client also does this check but ya know we gotta validate it.
if (!interactionArgs.InRangeUnobstructed(ignoreInsideBlocker: true, popup: true))
{
return;
}
// trigger dragdrops on the dropped entity
RaiseLocalEvent(dropped.Uid, interactionArgs);
foreach (var dragDrop in dropped.GetAllComponents <IDraggable>())
{
if (dragDrop.CanDrop(interactionArgs) &&
dragDrop.Drop(interactionArgs))
{
return;
}
}
// trigger dragdropons on the targeted entity
RaiseLocalEvent(target.Uid, interactionArgs, false);
foreach (var dragDropOn in target.GetAllComponents <IDragDropOn>())
{
if (dragDropOn.CanDragDropOn(interactionArgs) &&
dragDropOn.DragDropOn(interactionArgs))
{
return;
}
}
}
