// Note on transition timing: The outgoing transition will trigger on the update() after the task completes. It may
// be desired that the transition is triggered 'manually' as soon as the task completes.
public static ITransitionBuilder BindAsyncLamdaAndTransitionOnDone <T>(this WithTokenStateConstruction <T> state, Func <T, UniTask> task)
{
// If the state is entered then exited then entered again before the first UniTask completes,
// we need a way to have the first task not cause a transition. Use a simple counter.
uint execCounter = 0;
bool transitionShouldTrigger = false;
state.AddEntryAction(async() => {
transitionShouldTrigger = false;
execCounter++;
uint thisTasksCounter = execCounter;
await task(state.ToEntranceType().token);
if (thisTasksCounter == execCounter)
{
transitionShouldTrigger = true;
}
});
var t = new MultiTransition(state.Graph, state.ToRuntimeState());
state.AddTransition(t);
t.When(() => transitionShouldTrigger);
return(t);
}
public static (ITransitionBuilder success, ITransitionBuilder <Exception> fail) BindAsyncLamdaAndTransitionByResult(this IStateConstruction state, Func <UniTask <bool> > task)
{
// If the state is entered then exited then entered again before the first UniTask completes,
// we need a way to have the first task not cause a transition. Avoid alloc by using a simple counter.
uint execCounter = 0;
bool successTransitionShouldTrigger = false;
Exception e = null;
state.AddEntryAction(async() => {
successTransitionShouldTrigger = false;
e = null;
execCounter++;
uint thisTasksCounter = execCounter;
try {
bool result = await task();
if (thisTasksCounter == execCounter)
{
if (result)
{
successTransitionShouldTrigger = true;
}
else
{
e = new Exception("Test returned false");
}
}
} catch (Exception eInstance) {
Debug.LogException(eInstance);
if (thisTasksCounter == execCounter)
{
e = eInstance;
}
}
});
var tFail = new MultiTransition <Exception>(state.Graph, state.ToRuntimeState());
state.AddTransition(tFail);
var tSuccess = new MultiTransition(state.Graph, state.ToRuntimeState());
state.AddTransition(tSuccess);
tSuccess.When(() => successTransitionShouldTrigger);
tFail.When(() => e);
return(tSuccess, tFail);
}
