void UGameplayTasksComponent::OnGameplayTaskActivated(UGameplayTask& Task)
{
// process events after finishing all operations
FEventLock ScopeEventLock(this);
if (Task.IsTickingTask())
{
check(TickingTasks.Contains(&Task) == false);
TickingTasks.Add(&Task);
// If this is our first ticking task, set this component as active so it begins ticking
if (TickingTasks.Num() == 1)
{
UpdateShouldTick();
}
}
if (Task.IsSimulatedTask())
{
check(SimulatedTasks.Contains(&Task) == false);
SimulatedTasks.Add(&Task);
}
IGameplayTaskOwnerInterface* TaskOwner = Task.GetTaskOwner();
if (!Task.IsOwnedByTasksComponent() && TaskOwner)
{
TaskOwner->OnGameplayTaskActivated(Task);
}
}
void UGameplayTasksComponent::OnGameplayTaskDeactivated(UGameplayTask& Task)
{
// process events after finishing all operations
FEventLock ScopeEventLock(this);
const bool bIsFinished = (Task.GetState() == EGameplayTaskState::Finished);
if (Task.GetChildTask() && bIsFinished)
{
if (Task.HasOwnerFinished())
{
Task.GetChildTask()->TaskOwnerEnded();
}
else
{
Task.GetChildTask()->EndTask();
}
}
if (Task.IsTickingTask())
{
// If we are removing our last ticking task, set this component as inactive so it stops ticking
TickingTasks.RemoveSingleSwap(&Task);
}
if (Task.IsSimulatedTask())
{
SimulatedTasks.RemoveSingleSwap(&Task);
}
// Resource-using task
if (Task.RequiresPriorityOrResourceManagement() && bIsFinished)
{
OnTaskEnded(Task);
}
IGameplayTaskOwnerInterface* TaskOwner = Task.GetTaskOwner();
if (!Task.IsOwnedByTasksComponent() && !Task.HasOwnerFinished() && TaskOwner)
{
TaskOwner->OnGameplayTaskDeactivated(Task);
}
UpdateShouldTick();
}