public static void RemoveInputListener <T>(this IInputReceiver r, InputTransmitter.EventDelegate <T> callback)
where T : InputEvent
{
if (r.Delegates == null)
{
return;
}
InputTransmitter.EventDelegate internalDel;
if (r.DelegateLookUp.TryGetValue(callback, out internalDel))
{
InputTransmitter.EventDelegate tempDel;
if (r.Delegates.TryGetValue(typeof(T), out tempDel))
{
tempDel -= internalDel;
if (tempDel == null)
{
r.Delegates.Remove(typeof(T));
}
else
{
r.Delegates[typeof(T)] = tempDel;
}
}
r.DelegateLookUp.Remove(callback);
}
}
public static void AddInputListener <T>(this IInputReceiver r, InputTransmitter.EventDelegate <T> callback)
where T : InputEvent
{
if (r.Delegates == null)
{
r.Delegates = new Dictionary <Type, InputTransmitter.EventDelegate>();
}
if (r.DelegateLookUp == null)
{
r.DelegateLookUp = new Dictionary <Delegate, InputTransmitter.EventDelegate>();
}
if (r.DelegateLookUp.ContainsKey(callback))
{
return;
}
InputTransmitter.EventDelegate del = (e) => callback((T)e);
r.DelegateLookUp[callback] = del;
InputTransmitter.EventDelegate tempDel;
if (r.Delegates.TryGetValue(typeof(T), out tempDel))
{
r.Delegates[typeof(T)] = tempDel += del;
}
else
{
r.Delegates.Add(typeof(T), del);
}
if (r.AttachedInputTransmitterList == null)
{
r.AttachedInputTransmitterList = new List <InputTransmitter>();
}
}