Implemented Enchantment API

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

@@ -0,0 +1,81 @@
+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;
+    }
+}