PaperMC/CraftBukkit-Patches/0147-Added-isUnbreakable-and-setUnbreakable-to-ItemMeta.patch

From 31d25787ca265f644141847830548922e666faed Mon Sep 17 00:00:00 2001
From: libraryaddict <redwarfare@live.com>
Date: Fri, 22 Aug 2014 05:35:16 -0400
Subject: [PATCH] Added isUnbreakable and setUnbreakable to ItemMeta


diff --git a/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaItem.java b/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaItem.java
index dcb9252..eaaa6a1 100644
--- a/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaItem.java
+++ b/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaItem.java
@@ -217,6 +217,8 @@ class CraftMetaItem implements ItemMeta, Repairable {
     static final ItemMetaKey ATTRIBUTES_UUID_LOW = new ItemMetaKey("UUIDLeast");
     @Specific(Specific.To.NBT)
     static final ItemMetaKey HIDEFLAGS = new ItemMetaKey("HideFlags", "ItemFlags");
+    @Specific(Specific.To.NBT)
+    static final ItemMetaKey UNBREAKABLE = new ItemMetaKey("Unbreakable"); // Spigot
 
     private String displayName;
     private List<String> lore;
@@ -246,6 +248,7 @@ class CraftMetaItem implements ItemMeta, Repairable {
         this.repairCost = meta.repairCost;
         this.hideFlag = meta.hideFlag;
         this.unhandledTags.putAll(meta.unhandledTags);
+        spigot.setUnbreakable( meta.spigot.isUnbreakable() ); // Spigot
     }
 
     CraftMetaItem(NBTTagCompound tag) {
@@ -446,6 +449,12 @@ class CraftMetaItem implements ItemMeta, Repairable {
                 unhandledTags.put(key, tag.get(key));
             }
         }
+        // Spigot start
+        if ( tag.hasKey( UNBREAKABLE.NBT ) )
+        {
+            spigot.setUnbreakable( tag.getBoolean( UNBREAKABLE.NBT ) );
+        }
+        // Spigot end
     }
 
     static Map<Enchantment, Integer> buildEnchantments(NBTTagCompound tag, ItemMetaKey key) {
@@ -498,6 +507,14 @@ class CraftMetaItem implements ItemMeta, Repairable {
             }
         }
 
+        // Spigot start
+        Boolean unbreakable = SerializableMeta.getObject( Boolean.class, map, UNBREAKABLE.BUKKIT, true );
+        if ( unbreakable != null )
+        {
+            spigot.setUnbreakable( unbreakable );
+        }
+        // Spigot end
+
         String internal = SerializableMeta.getString(map, "internal", true);
         if (internal != null) {
             ByteArrayInputStream buf = new ByteArrayInputStream(Base64.decodeBase64(internal));
@@ -552,6 +569,14 @@ class CraftMetaItem implements ItemMeta, Repairable {
         }
 
         applyEnchantments(enchantments, itemTag, ENCHANTMENTS);
+ 
+        // Spigot start
+        if ( spigot.isUnbreakable() )
+        {
+            itemTag.setBoolean( UNBREAKABLE.NBT, true );
+        }
+        // Spigot end
+
 
         if (hasRepairCost()) {
             itemTag.setInt(REPAIR.NBT, repairCost);
@@ -611,7 +636,7 @@ class CraftMetaItem implements ItemMeta, Repairable {
 
     @Overridden
     boolean isEmpty() {
-        return !(hasDisplayName() || hasEnchants() || hasLore() || hasRepairCost() || !unhandledTags.isEmpty() || hideFlag != 0);
+        return !(hasDisplayName() || hasEnchants() || hasLore() || hasRepairCost() || !unhandledTags.isEmpty() || hideFlag != 0 || spigot.isUnbreakable()); // Spigot
     }
 
     public String getDisplayName() {
@@ -769,7 +794,8 @@ class CraftMetaItem implements ItemMeta, Repairable {
                 && (this.hasLore() ? that.hasLore() && this.lore.equals(that.lore) : !that.hasLore())
                 && (this.hasRepairCost() ? that.hasRepairCost() && this.repairCost == that.repairCost : !that.hasRepairCost())
                 && (this.unhandledTags.equals(that.unhandledTags))
-                && (this.hideFlag == that.hideFlag);
+                && (this.hideFlag == that.hideFlag)
+                && (this.spigot.isUnbreakable() == that.spigot.isUnbreakable()); // Spigot
     }
 
     /**
@@ -796,6 +822,7 @@ class CraftMetaItem implements ItemMeta, Repairable {
         hash = 61 * hash + (hasRepairCost() ? this.repairCost : 0);
         hash = 61 * hash + unhandledTags.hashCode();
         hash = 61 * hash + hideFlag;
+        hash = 61 * hash + (spigot.isUnbreakable() ? 1231 : 1237); // Spigot
         return hash;
     }
 
@@ -839,6 +866,14 @@ class CraftMetaItem implements ItemMeta, Repairable {
         if (hasRepairCost()) {
             builder.put(REPAIR.BUKKIT, repairCost);
         }
+ 
+        // Spigot start
+        if ( spigot.isUnbreakable() )
+        {
+            builder.put( UNBREAKABLE.BUKKIT, true );
+        }
+        // Spigot end
+
 
         Set<String> hideFlags = new HashSet<String>();
         for (ItemFlag hideFlagEnum : getItemFlags()) {
@@ -930,6 +965,7 @@ class CraftMetaItem implements ItemMeta, Repairable {
         synchronized (HANDLED_TAGS) {
             if (HANDLED_TAGS.isEmpty()) {
                 HANDLED_TAGS.addAll(Arrays.asList(
+                        UNBREAKABLE.NBT, // Spigot
                         DISPLAY.NBT,
                         REPAIR.NBT,
                         ENCHANTMENTS.NBT,
@@ -957,6 +993,19 @@ class CraftMetaItem implements ItemMeta, Repairable {
     // Spigot start
     private final Spigot spigot = new Spigot()
     {
+        private boolean unbreakable;
+
+        @Override
+        public void setUnbreakable(boolean setUnbreakable)
+        {
+            unbreakable = setUnbreakable;
+        }
+
+        @Override
+        public boolean isUnbreakable()
+        {
+            return unbreakable;
+        }
     };
 
     @Override
-- 
2.1.4