/** called when a task gets ended with an external call, meaning not coming from UGameplayTasksComponent mechanics */
private void OnTaskEnded(UGameplayTask Task)
{
if (Task.RequiresPriorityOrResourceManagement())
{
RemoveResourceConsumingTask(Task);
}
}
public virtual void OnGameplayTaskDeactivated(UGameplayTask Task)
{
bool bIsFinished = Task.IsFinished();
var childTask = Task.GetChildTask();
if (childTask != null && bIsFinished)
{
if (Task.HasOwnerFinished())
{
childTask.TaskOwnerEnded();
}
else
{
childTask.EndTask();
}
}
if (Task.IsTickingTask())
{
// If we are removing our last ticking task, set this component as inactive so it stops ticking
TickingTasks.Remove(Task);
}
if (bIsFinished)
{
// using RemoveSwap rather than RemoveSingleSwap since a Task can be added
// to KnownTasks both when activating as well as unpausing
// while removal happens only once. It's cheaper to handle it here.
KnownTasks.Remove(Task);
}
// Resource-using task
if (Task.RequiresPriorityOrResourceManagement() && bIsFinished)
{
OnTaskEnded(Task);
}
if (!Task.IsOwnedByTasksComponent() && !Task.HasOwnerFinished())
{
var TaskOwner = Task.GetTaskOwner();
TaskOwner.OnGameplayTaskDeactivated(Task);
}
UpdateShouldTick();
}
//处理 优先级 和 资源
/// <summary>
/// 处理传入的task, 如果本task没有优先级或者资源依赖就不处理
/// </summary>
public void AddTaskReadyForActivation(UGameplayTask NewTask)
{
if (!NewTask.RequiresPriorityOrResourceManagement())
{
return;
}
var e = new FGameplayTaskEventData(EGameplayTaskEvent.Add, NewTask);
TaskEvents.Add(e);
// trigger the actual processing only if it was the first event added to the list
if (TaskEvents.Count == 1 && CanProcessEvents())
{
ProcessTaskEvents();
}
}
