public override Option <ICommand> HandleKeyInput(int key)
{
switch (InputMapping.GetInventoryInput(key))
{
case InventoryInput.MoveDown:
if (_currIndex < _subinv.TypeCount - 1)
{
CurrKey++;
}
return(Option.None <ICommand>());
case InventoryInput.MoveUp:
if (_currIndex > 0)
{
CurrKey--;
}
return(Option.None <ICommand>());
case InventoryInput.Open:
Item item = _subinv.GetItem(_currIndex);
return(ResolveInput(item));
case InventoryInput.OpenLetter:
char charKey = key.ToChar();
if (_subinv.HasIndex(charKey - 'a'))
{
CurrKey = charKey;
goto case InventoryInput.Open;
}
else
{
return(Option.None <ICommand>());
}
default:
return(Option.None <ICommand>());
}
}