public void UpdateBuy(List <string> buyableSpells)
{
foreach (VendorButton ib in buyButtons)
{
RemoveUIObj(ib);
}
buyButtons = new VendorButton[buyableSpells.Count];
bool buyPossible = pawn.GetSpells().Length < pawn.SpellSlotCount.GetValue();
int height = 28 * buyableSpells.Count + (4 * (buyableSpells.Count - 1));
int yStart = size.height / 2 - height / 2;
for (int i = 0; i < buyButtons.Length; i++)
{
string spellId = buyableSpells[i];
buyButtons[i] = new VendorButton(Spells.Get(spellId), new Vector2i(size.width / 4, yStart + i * 32), true, !buyPossible || pawn.DoesKnowSpell(spellId));
AddUIObj(buyButtons[i]);
}
buyHeader.SetPosition(new Vector2i(size.width / 4, yStart - 10));
}
