Paper/patches/api/0279-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 17:09:40 -0800
Subject: [PATCH] Item Rarity API


diff --git a/src/main/java/io/papermc/paper/inventory/ItemRarity.java b/src/main/java/io/papermc/paper/inventory/ItemRarity.java
new file mode 100644
index 0000000000000000000000000000000000000000..74ef8395cc040ce488c2acaa416db20272cc2734
--- /dev/null
+++ b/src/main/java/io/papermc/paper/inventory/ItemRarity.java
@@ -0,0 +1,28 @@
+package io.papermc.paper.inventory;
+
+import net.kyori.adventure.text.format.NamedTextColor;
+import net.kyori.adventure.text.format.TextColor;
+import org.jetbrains.annotations.NotNull;
+
+public enum ItemRarity {
+
+    COMMON(NamedTextColor.WHITE),
+    UNCOMMON(NamedTextColor.YELLOW),
+    RARE(NamedTextColor.AQUA),
+    EPIC(NamedTextColor.LIGHT_PURPLE);
+
+    TextColor color;
+
+    ItemRarity(TextColor color) {
+        this.color = color;
+    }
+
+    /**
+     * Gets the color formatting associated with the rarity.
+     * @return
+     */
+    @NotNull
+    public TextColor getColor() {
+        return color;
+    }
+}
diff --git a/src/main/java/org/bukkit/Material.java b/src/main/java/org/bukkit/Material.java
index 5922f4a3d5ac69abb232e8e497d838e10e35316e..fd1f64089359bf432a4934932ca6cad46145c04b 100644
--- a/src/main/java/org/bukkit/Material.java
+++ b/src/main/java/org/bukkit/Material.java
@@ -4002,6 +4002,17 @@ public enum Material implements Keyed, net.kyori.adventure.translation.Translata
     public @NotNull String translationKey() {
         return Bukkit.getUnsafe().getTranslationKey(this);
     }
+
+    /**
+     * Returns the item rarity for the item. The Material <b>MUST</b> be an Item not a block.
+     * Use {@link #isItem()} before this.
+     *
+     * @return the item rarity
+     */
+    @NotNull
+    public io.papermc.paper.inventory.ItemRarity getItemRarity() {
+        return Bukkit.getUnsafe().getItemRarity(this);
+    }
     // Paper end
 
     /**
diff --git a/src/main/java/org/bukkit/UnsafeValues.java b/src/main/java/org/bukkit/UnsafeValues.java
index 5a5098445eaa9399feb0f90550ab8c79376ac247..ec3a3a02cc7ed68b88cfbe6c83111bbe818c0a37 100644
--- a/src/main/java/org/bukkit/UnsafeValues.java
+++ b/src/main/java/org/bukkit/UnsafeValues.java
@@ -138,5 +138,22 @@ public interface UnsafeValues {
      * Use this when sending custom packets, so that there are no collisions on the client or server.
      */
     public int nextEntityId();
+
+    /**
+     * Gets the item rarity of a material. The material <b>MUST</b> be an item.
+     * Use {@link Material#isItem()} before this.
+     *
+     * @param material the material to get the rarity of
+     * @return the item rarity
+     */
+    public io.papermc.paper.inventory.ItemRarity getItemRarity(Material material);
+
+    /**
+     * Gets the item rarity of the itemstack. The rarity can change based on enchantements.
+     *
+     * @param itemStack the itemstack to get the rarity of
+     * @return the itemstack rarity
+     */
+    public io.papermc.paper.inventory.ItemRarity getItemStackRarity(ItemStack itemStack);
     // Paper end
 }
diff --git a/src/main/java/org/bukkit/inventory/ItemStack.java b/src/main/java/org/bukkit/inventory/ItemStack.java
index e6eab5d8ca3fea8d2e0ccc1cd1c1a7a110b589db..f46aeb59a5a1bde4011cd1d933afcc19c7d1b3bd 100644
--- a/src/main/java/org/bukkit/inventory/ItemStack.java
+++ b/src/main/java/org/bukkit/inventory/ItemStack.java
@@ -877,5 +877,15 @@ public class ItemStack implements Cloneable, ConfigurationSerializable, net.kyor
     public @NotNull String translationKey() {
         return Bukkit.getUnsafe().getTranslationKey(this);
     }
+
+    /**
+     * Gets the item rarity of the itemstack. The rarity can change based on enchantements.
+     *
+     * @return the itemstack rarity
+     */
+    @NotNull
+    public io.papermc.paper.inventory.ItemRarity getRarity() {
+        return Bukkit.getUnsafe().getItemStackRarity(this);
+    }
     // Paper end
 }