Paper/src/main/java/net/minecraft/server/Enchantment.java

package net.minecraft.server;

import org.bukkit.craftbukkit.enchantments.CraftEnchantment;

public abstract class Enchantment {
// CraftBukkit comment - update CraftEnchant.getName(i) if this changes.
    public static final Enchantment[] byId = new Enchantment[256];
    public static final Enchantment PROTECTION_ENVIRONMENTAL = new EnchantmentProtection(0, 10, 0);
    public static final Enchantment PROTECTION_FIRE = new EnchantmentProtection(1, 5, 1);
    public static final Enchantment PROTECTION_FALL = new EnchantmentProtection(2, 5, 2);
    public static final Enchantment PROTECTION_EXPLOSIONS = new EnchantmentProtection(3, 2, 3);
    public static final Enchantment PROTECTION_PROJECTILE = new EnchantmentProtection(4, 5, 4);
    public static final Enchantment OXYGEN = new EnchantmentOxygen(5, 2);
    public static final Enchantment WATER_WORKER = new EnchantmentWaterWorker(6, 2);
    public static final Enchantment DAMAGE_ALL = new EnchantmentWeaponDamage(16, 10, 0);
    public static final Enchantment DAMAGE_UNDEAD = new EnchantmentWeaponDamage(17, 5, 1);
    public static final Enchantment DAMAGE_ARTHROPODS = new EnchantmentWeaponDamage(18, 5, 2);
    public static final Enchantment KNOCKBACK = new EnchantmentKnockback(19, 5);
    public static final Enchantment FIRE_ASPECT = new EnchantmentFire(20, 2);
    public static final Enchantment LOOT_BONUS_MOBS = new EnchantmentLootBonus(21, 2, EnchantmentSlotType.WEAPON);
    public static final Enchantment DIG_SPEED = new EnchantmentDigging(32, 10);
    public static final Enchantment SILK_TOUCH = new EnchantmentSilkTouch(33, 1);
    public static final Enchantment DURABILITY = new EnchantmentDurability(34, 5);
    public static final Enchantment LOOT_BONUS_BLOCKS = new EnchantmentLootBonus(35, 2, EnchantmentSlotType.DIGGER);
    public final int id;
    private final int weight;
    public EnchantmentSlotType slot;
    protected String name;

    protected Enchantment(int i, int j, EnchantmentSlotType enchantmentslottype) {
        this.id = i;
        this.weight = j;
        this.slot = enchantmentslottype;
        if (byId[i] != null) {
            throw new IllegalArgumentException("Duplicate enchantment id!");
        } else {
            byId[i] = this;
        }

        // CraftBukkit start
        org.bukkit.enchantments.Enchantment.registerEnchantment(new CraftEnchantment(this));
        // CraftBukkit end
    }

    public int getRandomWeight() {
        return this.weight;
    }

    public int getStartLevel() {
        return 1;
    }

    public int getMaxLevel() {
        return 1;
    }

    public int a(int i) {
        return 1 + i * 10;
    }

    public int b(int i) {
        return this.a(i) + 5;
    }

    public int a(int i, DamageSource damagesource) {
        return 0;
    }

    public int a(int i, EntityLiving entityliving) {
        return 0;
    }

    public boolean a(Enchantment enchantment) {
        return this != enchantment;
    }

    public Enchantment a(String s) {
        this.name = s;
        return this;
    }
}