private void PrepareToBuy()
{
var king = King.dict[currentCastle.army.color];
// Calculate canBuyList
var tmp = new List <Unit.Name>();
foreach (var name in allNormalNamesCanBuy)
{
if (currentCastle.CanBuy(name))
{
tmp.Add(name);
}
}
castleKingName = king.name;
if (currentCastle.CanBuy(castleKingName))
{
tmp.Add(castleKingName);
}
canBuyList = tmp;
if (!king.gameObject.activeSelf)
{
kingButton.gameObject.SetActive(true);
kingButton.image.sprite = canBuyList.Contains(castleKingName) ? R.asset.prefab.units[castleKingName].spriteRenderer.sprite : king.sleepSprite;
}
else
{
kingButton.gameObject.SetActive(false);
}
// Modify all buttons by current battle conditions
foreach (var name in allNormalNamesCanBuy)
{
buttons[name].image.sprite = canBuyList.Contains(name) ? R.asset.sprite.units[name][currentCastle.army.color] : R.asset.prefab.units[name].sleepSprite;
}
}