public void LoadAvailablePrerequisiteItemCost(string token, Character character)
{
foreach (Item item in AllItems)
{
item.Cost = 0.0f;
foreach (var li in item.LocationInfo)
{
if (li.Source == ItemSource.Vendor)
{
VendorItem vendor = li as VendorItem;
int count;
if (vendor.TokenMap.TryGetValue(token, out count))
{
// determine if the other prerequisites are available
bool valid = true;
foreach (var t in vendor.TokenMap)
{
if (t.Key != token)
{
// we have the name of the lower level item
// find this item
var pitem = AllItems.Find(i => i.Name == t.Key && i.ItemLevel < item.ItemLevel);
if (pitem != null)
{
// is it available
if (character.GetItemAvailability(new ItemInstance(pitem, 0, null, null, null, null, null, null)) == ItemAvailability.NotAvailable)
{
valid = false;
break;
}
}
}
}
if (valid)
{
item.Cost = count;
}
}
}
}
}
// don't need to invalidate relevant caches, but still trigger event to refresh graphs etc.
if (ItemsChanged != null) ItemsChanged(null, null);
}