// Token: 0x06008AB0 RID: 35504 RVA: 0x0035DCAF File Offset: 0x0035C0AF
public static int LoopValue(int value, int start, int end)
{
return(MathfEx.LoopValue(ref value, start, end));
}
public static void FocusAdd(
this Component component,
bool isTabKey,
Func <bool> isFocus,
Func <int> next,
Func <Tuple <bool, int> > direct,
int firstIndex,
params Selectable[] sels)
{
if (((IList <Selectable>)sels).IsNullOrEmpty <Selectable>())
{
Debug.LogError((object)"FocusRegister Selection None");
}
else
{
Selectable lastCurrent = sels.SafeGet <Selectable>(firstIndex);
ObservableExtensions.Subscribe <Selectable>((IObservable <M0>)Observable.Select <GameObject, Selectable>((IObservable <M0>)ObserveExtensions.ObserveEveryValueChanged <Component, GameObject>((M0)component, (Func <M0, M1>)(_ => EventSystem.get_current().get_currentSelectedGameObject()), (FrameCountType)0, false), (Func <M0, M1>)(go => Object.op_Inequality((Object)go, (Object)null) ? (Selectable)go.GetComponent <Selectable>() : (Selectable)null)), (Action <M0>)(sel =>
{
if (((IEnumerable <Selectable>)sels).Contains <Selectable>(sel))
{
lastCurrent = sel;
}
else
{
if (!isFocus() || !Object.op_Inequality((Object)lastCurrent, (Object)null))
{
return;
}
lastCurrent.Select();
}
}));
Action <int, bool> focus = (Action <int, bool>)((index, isDirect) =>
{
bool flag = index >= 0;
if (!isDirect)
{
index += sels.Check <Selectable>((Func <Selectable, bool>)(v => Object.op_Equality((Object)v, (Object)lastCurrent)));
}
MathfEx.LoopValue(ref index, 0, sels.Length - 1);
if (!sels[index].IsInteractable() && ((IEnumerable <Selectable>)sels).Any <Selectable>((Func <Selectable, bool>)(p => p.IsInteractable())))
{
if (!flag)
{
index = Mathf.Min(sels.Length, index + 1);
}
IEnumerable <int> ints1 = Enumerable.Range(index, sels.Length - index);
IEnumerable <int> ints2 = Enumerable.Range(0, index);
index = (!flag ? ints2.Reverse <int>().Concat <int>(ints1.Reverse <int>()) : ints1.Concat <int>(ints2)).FirstOrDefault <int>((Func <int, bool>)(i => sels[i].IsInteractable()));
}
sels[index].Select();
});
if (isTabKey)
{
ObservableExtensions.Subscribe <Unit>(Observable.Where <Unit>(Observable.Where <Unit>((IObservable <M0>)ObservableTriggerExtensions.UpdateAsObservable(component), (Func <M0, bool>)(_ => isFocus())), (Func <M0, bool>)(_ => Input.GetKeyDown((KeyCode)9))), (Action <M0>)(_ => focus(Input.GetKey((KeyCode)304) || Input.GetKey((KeyCode)303) ? -1 : 1, false)));
}
if (!next.IsNullOrEmpty())
{
ObservableExtensions.Subscribe <Unit>(Observable.Where <Unit>((IObservable <M0>)ObservableTriggerExtensions.UpdateAsObservable(component), (Func <M0, bool>)(_ => isFocus())), (Action <M0>)(_ =>
{
int num = next();
if (num == 0)
{
return;
}
focus(num, false);
}));
}
if (direct.IsNullOrEmpty())
{
return;
}
ObservableExtensions.Subscribe <Unit>(Observable.Where <Unit>((IObservable <M0>)ObservableTriggerExtensions.UpdateAsObservable(component), (Func <M0, bool>)(_ => isFocus())), (Action <M0>)(_ =>
{
Tuple <bool, int> tuple = direct();
if (!tuple.Item1)
{
return;
}
focus(tuple.Item2, true);
}));
}
}