public bool CanPutIn(ItemGroup putInItemGroup, out ItemGroup extraItemGroup)
{
bool canPutIn = isEmpty || myItemGroup.itemCount > 0 && myItemGroup.CompareTo(putInItemGroup) == 0;
extraItemGroup = null;
if (canPutIn && myItemGroup != null)
{
ItemBaseInfo putInItemInfo = putInItemGroup.itemInfo;
int extraCount = putInItemGroup.itemCount + myItemGroup.itemCount - putInItemInfo.maxCountInGrid;
if (extraCount > 0)
{
extraItemGroup = new ItemGroup(putInItemInfo, extraCount);
}
}
return(canPutIn);
}
