public void Init(ItemInstance itemInstance)
{
ItemInstance = itemInstance;
}
public bool InstantiateIndividuals; // if true, it will instantiate 1 prefab instance per quantity
public virtual bool CanMove(ItemInstance i)
{
return(true);
}
public ItemInstance(ItemInstance i)
{
ItemType.Value = i.ItemType.Value;
Quantity.Value = i.Quantity.Value;
}
public virtual bool Set(ItemInstance item)
{
Quantity.Value = item.Quantity.Value;
ItemType.Value = item.ItemType.Value;
return(true);
}
private void Lift(int amount)
{
var amountLeft = _originalLiftedItem.Item.Quantity.Value - amount;
_originalLiftedItem.Item.Set(amountLeft);
_clonedLiftedItem.Item.Set(amount);
OnCancel = () =>
{
_originalLiftedItem.Item.ItemType.Value = _clonedLiftedItem.Item.ItemType.Value;
_originalLiftedItem.Item.Quantity.Value = _originalLiftedItem.Item.Quantity.Value + _clonedLiftedItem.Item.Quantity.Value;
CancelLift();
};
Action <ItemInstance> move = (target) =>
{
// merging
if (target.ItemType.Value == _clonedLiftedItem.Item.ItemType.Value)
{
var overflow = target.Add(_clonedLiftedItem.Item.Quantity.Value);
if (overflow > 0)
{
_originalLiftedItem.SetItem(new ItemInstance(_clonedLiftedItem.Item.ItemType.Value, overflow));
}
FinishLift();
}
// there is still something in the original stack, cloned stack and target stack. We are lifting a portion, you can't put that in the target stack then
else if (!_originalLiftedItem.IsEmpty && !_clonedLiftedItem.IsEmpty && !target.IsEmpty)
{
OnCancel();
}
// most common case, lifting a full stack onto another item
else
{
var targetBefore = new ItemInstance(target);
bool success = target.CanMove(_clonedLiftedItem.Item) && _originalLiftedItem.CanMove(targetBefore);
if (success)
{
target.Set(_clonedLiftedItem.Item);
if (_originalLiftedItem.IsEmpty)
{
_originalLiftedItem.Item.Set(targetBefore);
}
FinishLift();
}
else
{
OnCancel();
}
}
};
OnTryLiftEnd = (targetView) =>
{
var canMove = targetView.CanMove(_clonedLiftedItem.Item);
if (canMove)
{
move(targetView.Item);
}
else
{
OnCancel();
}
};
OnComplete = (item) =>
{
move(item);
};
}