Update to Minecraft 1.21

Essentials/src/main/java/com/earth2me/essentials/Enchantments.java

@@ -303,6 +303,24 @@ public final class Enchantments {
         } catch (final IllegalArgumentException ignored) {
         }
 
+        try { // 1.21
+            final Enchantment breach = Enchantment.getByName("BREACH");
+            if (breach != null) {
+                ENCHANTMENTS.put("breach", breach);
+            }
+            final Enchantment density = Enchantment.getByName("DENSITY");
+            if (density != null) {
+                ENCHANTMENTS.put("density", density);
+            }
+            final Enchantment windBurst = Enchantment.getByName("WIND_BURST");
+            if (breach != null) {
+                ENCHANTMENTS.put("windburst", windBurst);
+                ALIASENCHANTMENTS.put("wind", windBurst);
+                ALIASENCHANTMENTS.put("burst", windBurst);
+            }
+        } catch (final IllegalArgumentException ignored) {
+        }
+
         try {
             final Class<?> namespacedKeyClass = Class.forName("org.bukkit.NamespacedKey");
             final Class<?> enchantmentClass = Class.forName("org.bukkit.enchantments.Enchantment");
@@ -316,6 +334,17 @@ public final class Enchantments {
     private Enchantments() {
     }
 
+    public static String getRealName(final Enchantment enchantment) {
+        if (enchantment == null) {
+            return null;
+        }
+
+        if (isFlat) { // 1.13+ only
+            return enchantment.getKey().getKey();
+        }
+        return enchantment.getName().toLowerCase(Locale.ENGLISH);
+    }
+
     public static Enchantment getByName(final String name) {
         if (name == null || name.isEmpty()) {
             return null;

Essentials/src/main/java/com/earth2me/essentials/MetaItemStack.java

@@ -576,7 +576,7 @@ private boolean parseEnchantmentStrings(final CommandSource sender, final boolea
         if (enchantment == null) {
             return false;
         }
-        if (hasMetaPermission(sender, "enchantments." + enchantment.getName().toLowerCase(Locale.ENGLISH), false, false, ess)) {
+        if (hasMetaPermission(sender, "enchantments." + Enchantments.getRealName(enchantment), false, false, ess)) {
             int level = -1;
             if (split.length > 1) {
                 try {
@@ -619,7 +619,7 @@ public void addEnchantment(final CommandSource sender, final boolean allowUnsafe
                 }
             }
         } catch (final Exception ex) {
-            throw new Exception("Enchantment " + enchantment.getName() + ": " + ex.getMessage(), ex);
+            throw new Exception("Enchantment " + Enchantments.getRealName(enchantment) + ": " + ex.getMessage(), ex);
         }
     }
 
@@ -629,7 +629,7 @@ public Enchantment getEnchantment(final User user, final String name) throws Exc
             return null;
         }
 
-        final String enchantmentName = enchantment.getName().toLowerCase(Locale.ENGLISH);
+        final String enchantmentName = Enchantments.getRealName(enchantment);
 
         if (!hasMetaPermission(user, "enchantments." + enchantmentName, true, false)) {
             throw new TranslatableException("enchantmentPerm", enchantmentName);

Essentials/src/main/java/com/earth2me/essentials/Mob.java

@@ -113,6 +113,8 @@ public enum Mob {
     CAMEL("Camel", Enemies.FRIENDLY, "CAMEL"),
     SNIFFER("Sniffer", Enemies.FRIENDLY, "SNIFFER"),
     ARMADILLO("Armadillo", Enemies.FRIENDLY, "ARMADILLO"),
+    BREEZE("Breeze", Enemies.ENEMY, "BREEZE"),
+    BOGGED("Bogged", Enemies.ENEMY, "BOGGED"),
     ;
 
     private static final Map<String, Mob> hashMap = new HashMap<>();

Essentials/src/main/java/com/earth2me/essentials/Potions.java

@@ -144,6 +144,23 @@ public final class Potions {
             POTIONS.put("unluck", PotionEffectType.UNLUCK);
         } catch (final Throwable ignored) {
         }
+
+        // 1.21
+        try {
+            POTIONS.put("infested", PotionEffectType.INFESTED);
+            ALIASPOTIONS.put("silverfish", PotionEffectType.INFESTED);
+
+            POTIONS.put("oozing", PotionEffectType.OOZING);
+            ALIASPOTIONS.put("ooze", PotionEffectType.OOZING);
+
+            POTIONS.put("weaving", PotionEffectType.WEAVING);
+            ALIASPOTIONS.put("weave", PotionEffectType.WEAVING);
+
+            POTIONS.put("windcharged", PotionEffectType.WIND_CHARGED);
+            ALIASPOTIONS.put("windcharge", PotionEffectType.WIND_CHARGED);
+            ALIASPOTIONS.put("wind", PotionEffectType.WIND_CHARGED);
+        } catch (final Throwable ignored) {
+        }
     }
 
     private Potions() {

Essentials/src/main/java/com/earth2me/essentials/commands/Commandenchant.java

@@ -14,7 +14,6 @@
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
-import java.util.Locale;
 import java.util.Map;
 import java.util.Set;
 import java.util.TreeSet;
@@ -35,7 +34,7 @@ protected void run(final Server server, final User user, final String commandLab
         if (args.length == 0) {
             final Set<String> usableEnchants = new TreeSet<>();
             for (final Map.Entry<String, Enchantment> entry : Enchantments.entrySet()) {
-                final String name = entry.getValue().getName().toLowerCase(Locale.ENGLISH);
+                final String name = Enchantments.getRealName(entry.getValue());
                 if (usableEnchants.contains(name) || (user.isAuthorized("essentials.enchantments." + name) && entry.getValue().canEnchantItem(stack))) {
                     usableEnchants.add(entry.getKey());
                 }
@@ -57,7 +56,7 @@ protected void run(final Server server, final User user, final String commandLab
         metaStack.addEnchantment(user.getSource(), ess.getSettings().allowUnsafeEnchantments() && user.isAuthorized("essentials.enchantments.allowunsafe"), enchantment, level);
         stack.setItemMeta(metaStack.getItemStack().getItemMeta());
         user.getBase().updateInventory();
-        final String enchantName = enchantment.getName().toLowerCase(Locale.ENGLISH).replace('_', ' ');
+        final String enchantName = Enchantments.getRealName(enchantment).replace('_', ' ');
         if (level == 0) {
             user.sendTl("enchantmentRemoved", enchantName);
         } else {

Essentials/src/main/java/com/earth2me/essentials/items/AbstractItemDb.java

@@ -1,5 +1,6 @@
 package com.earth2me.essentials.items;
 
+import com.earth2me.essentials.Enchantments;
 import com.earth2me.essentials.IConf;
 import com.earth2me.essentials.User;
 import com.earth2me.essentials.craftbukkit.Inventories;
@@ -218,7 +219,7 @@ public String serialize(final ItemStack is, final boolean useResolvers) {
 
             if (meta.hasEnchants()) {
                 for (final Enchantment e : meta.getEnchants().keySet()) {
-                    sb.append(e.getName().toLowerCase()).append(":").append(meta.getEnchantLevel(e)).append(" ");
+                    sb.append(Enchantments.getRealName(e)).append(":").append(meta.getEnchantLevel(e)).append(" ");
                 }
             }
 
@@ -263,7 +264,7 @@ public String serialize(final ItemStack is, final boolean useResolvers) {
             case ENCHANTED_BOOK:
                 final EnchantmentStorageMeta enchantmentStorageMeta = (EnchantmentStorageMeta) is.getItemMeta();
                 for (final Enchantment e : enchantmentStorageMeta.getStoredEnchants().keySet()) {
-                    sb.append(e.getName().toLowerCase()).append(":").append(enchantmentStorageMeta.getStoredEnchantLevel(e)).append(" ");
+                    sb.append(Enchantments.getRealName(e)).append(":").append(enchantmentStorageMeta.getStoredEnchantLevel(e)).append(" ");
                 }
                 break;
         }

Essentials/src/main/java/com/earth2me/essentials/signs/SignEnchant.java

@@ -106,7 +106,7 @@ protected boolean onSignInteract(final ISign sign, final User player, final Stri
             throw new SignException(ex, "errorWithMessage", ex.getMessage());
         }
 
-        final String enchantmentName = enchantment.getName().toLowerCase(Locale.ENGLISH);
+        final String enchantmentName = Enchantments.getRealName(enchantment);
         if (level == 0) {
             player.sendTl("enchantmentRemoved", enchantmentName.replace('_', ' '));
         } else {

Essentials/src/main/java/com/earth2me/essentials/utils/VersionUtil.java

@@ -40,8 +40,9 @@ public final class VersionUtil {
     public static final BukkitVersion v1_20_1_R01 = BukkitVersion.fromString("1.20.1-R0.1-SNAPSHOT");
     public static final BukkitVersion v1_20_4_R01 = BukkitVersion.fromString("1.20.4-R0.1-SNAPSHOT");
     public static final BukkitVersion v1_20_6_R01 = BukkitVersion.fromString("1.20.6-R0.1-SNAPSHOT");
+    public static final BukkitVersion v1_21_R01 = BukkitVersion.fromString("1.21-R0.1-SNAPSHOT");
 
-    private static final Set<BukkitVersion> supportedVersions = ImmutableSet.of(v1_8_8_R01, v1_9_4_R01, v1_10_2_R01, v1_11_2_R01, v1_12_2_R01, v1_13_2_R01, v1_14_4_R01, v1_15_2_R01, v1_16_5_R01, v1_17_1_R01, v1_18_2_R01, v1_19_4_R01, v1_20_6_R01);
+    private static final Set<BukkitVersion> supportedVersions = ImmutableSet.of(v1_8_8_R01, v1_9_4_R01, v1_10_2_R01, v1_11_2_R01, v1_12_2_R01, v1_13_2_R01, v1_14_4_R01, v1_15_2_R01, v1_16_5_R01, v1_17_1_R01, v1_18_2_R01, v1_19_4_R01, v1_20_6_R01, v1_21_R01);
 
     public static final boolean PRE_FLATTENING = VersionUtil.getServerBukkitVersion().isLowerThan(VersionUtil.v1_13_0_R01);