void OnSwitchItemRequest(SwitchItemRequest request)
{
if (!enabled)
{
return;
}
request.WaitForResponse = true;
IsActive = false;
// Forbid to reactivate this item.
IsSwitchingOut = true;
SwitchOutRequestor = request.Sender;
}
void FixedUpdate()
{
// Delay everything else when waiting for switch-out response.
if (waitingForResponse)
{
if (transform.childCount == 0)
{
// Item was destroyed while we waited a response message from it.
waitingForResponse = false;
PerformSwitch();
}
else
{
return;
}
}
// Item activation/deactivation.
if (CarriedItemIsActive != prevCarriedItemIsActive || !itemActivationInitialized)
{
if (CarriedItemIsActive)
{
carriedItemActivatedTimestamp = Time.fixedTime;
waitingForActivationDelay = true;
}
else
{
SetItemActive(false);
}
prevCarriedItemIsActive = CarriedItemIsActive;
itemActivationInitialized = true;
}
if (CarriedItemIsActive && waitingForActivationDelay && Time.fixedTime - carriedItemActivatedTimestamp >= ItemActivationDelay)
{
SetItemActive(true);
waitingForActivationDelay = false;
}
/* TODO: develop switching to nothing. Currently it is not possible
* because NextItemPrefab set to null signals that no switch was requested. */
// Initiate switch message sequence if needed.
if (NextItemPrefab != CurrentItemPrefab && NextItemPrefab != null)
{
if (!CarriedItemIsActive && DelaySwitchTillActive)
{
return;
}
if (SwitchingPermitted)
{
var switchRequest = new SwitchItemRequest(this);
BroadcastMessage(SwitchItemRequest.MessageName, switchRequest, SendMessageOptions.DontRequireReceiver);
if (!switchRequest.WaitForResponse)
{
// No need to wait, switch immediately.
PerformSwitch();
}
else
{
waitingForResponse = true;
}
}
else
{
NextItemPrefab = null;
}
}
}