public static int calculateEnchantmentCost (Enchantment enchantment, int level) {

        int cost = (int) Math.floor(Math.max(1F, 1F + 2F * level * ((float) level / enchantment.getMaxLevel()) + (10 - enchantment.getRarity().getWeight()) * 0.2F));
        cost = cost + (int) (cost * 1.5f);
        cost = cost + (enchantment.getRarity() == Rarity.COMMON ? 1 : enchantment.getRarity() == Rarity.UNCOMMON ? 5 : enchantment.getRarity() == Rarity.RARE ? 10 : 20);
        return cost;
    }

    // New
    public static int calculateNewEnchCost(Enchantment enchantment, int level) {
        
        // Base cost is equal to roughly 2.5 levels of EXP.
        int cost = 25;
        
        // Cost is multiplied up to 10, based on rarity of the enchant.
        // Rarer the enchant, higher the cost.
        cost *= Math.max(11 - enchantment.getRarity().getWeight(), 1);
        
        // Linear cost increase based on level.
        cost *= level;
        
        // The cost factor is applied. Default is 1.5.
        // TODO make configurable
        cost *= 1.5f;
        
        // Curses cost even more to apply
        if (enchantment.isCurse()) {
            
            // TODO make configurable
            cost *= 1.5f;
        }
        
        // Treasures cost more to apply
        if (enchantment.isTreasureEnchantment()) {
            
            // TODO make configurable
            cost *= 1.5f;
        }
        
        return cost;
    }