PaperMC/Spigot-Server-Patches/0693-Item-Rarity-API.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Jake Potrebic <jake.m.potrebic@gmail.com>
Date: Fri, 12 Mar 2021 17:09:42 -0800
Subject: [PATCH] Item Rarity API


diff --git a/src/main/java/net/minecraft/world/item/Item.java b/src/main/java/net/minecraft/world/item/Item.java
index 5d7c44a53fb98532057b09176677ce0d719b055b..e6a838430084d64326d1042c7b2089f49a24a789 100644
--- a/src/main/java/net/minecraft/world/item/Item.java
+++ b/src/main/java/net/minecraft/world/item/Item.java
@@ -45,7 +45,7 @@ public class Item implements IMaterial {
     protected static final UUID g = UUID.fromString("FA233E1C-4180-4865-B01B-BCCE9785ACA3");
     protected static final Random RANDOM = new Random();
     protected final CreativeModeTab i;
-    private final EnumItemRarity a;
+    private final EnumItemRarity a; public final EnumItemRarity getItemRarity() { return a; } // Paper - OBFHELPER
     private final int maxStackSize;
     private final int durability;
     private final boolean d;
@@ -208,6 +208,7 @@ public class Item implements IMaterial {
         return itemstack.hasEnchantments();
     }
 
+    public EnumItemRarity getItemStackRarity(ItemStack itemStack) { return i(itemStack); } // Paper - OBFHELPER
     public EnumItemRarity i(ItemStack itemstack) {
         if (!itemstack.hasEnchantments()) {
             return this.a;
diff --git a/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java b/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
index ca911ed346daf8c43b7b6e0acabf9ac0c64223aa..712a32c0b64dace1f3e3d6f8acb8cbef1736b1f9 100644
--- a/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
+++ b/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
@@ -447,6 +447,20 @@ public final class CraftMagicNumbers implements UnsafeValues {
         return net.minecraft.world.entity.Entity.nextEntityId();
     }
 
+    @Override
+    public io.papermc.paper.inventory.ItemRarity getItemRarity(org.bukkit.Material material) {
+        Item item = getItem(material);
+        if (item == null) {
+            throw new IllegalArgumentException(material + " is not an item, and rarity does not apply to blocks");
+        }
+        return io.papermc.paper.inventory.ItemRarity.values()[item.getItemRarity().ordinal()];
+    }
+
+    @Override
+    public io.papermc.paper.inventory.ItemRarity getItemStackRarity(org.bukkit.inventory.ItemStack itemStack) {
+        return io.papermc.paper.inventory.ItemRarity.values()[getItem(itemStack.getType()).getItemStackRarity(CraftItemStack.asNMSCopy(itemStack)).ordinal()];
+    }
+
     // Paper end
 
     /**