public async Task <Unit> Buy(Castle castle)
{
bool origin = R.input.lockInput;
R.input.lockInput = true;
currentCastle = castle;
PrepareToBuy();
selectedUnitName = null;
isCanceled = false;
scrollRect.gameObject.SetActive(true);
cancelButton.gameObject.SetActive(true);
var endTurn = Battle.endTurnCancel;
while (!endTurn.IsCancellationRequested && !isCanceled && selectedUnitName == null)
{
await Task.Delay(1);
}
if (endTurn.IsCancellationRequested)
{
selectedUnitName = null;
}
cancelButton.gameObject.SetActive(false);
scrollRect.gameObject.SetActive(false);
var unit = selectedUnitName != null?currentCastle.Buy(selectedUnitName.Value) : null;
await Task.Delay(1);
R.input.lockInput = origin;
return(unit);
}