Fix: Item color names/glint for rare items (#4763)

* debug stick changes

* yay light purple item name

* Address review

* Auto-generate rarity

* Add glint generation

* Translate all rare items properly

* Use putIfAbsent instead of double checks

core/src/main/java/org/geysermc/geyser/item/Items.java

@@ -25,6 +25,7 @@
 
 package org.geysermc.geyser.item;
 
+import org.geysermc.geyser.item.components.Rarity;
 import org.geysermc.geyser.item.components.ToolTier;
 import org.geysermc.geyser.item.type.*;
 import org.geysermc.geyser.level.block.Blocks;
@@ -122,7 +123,7 @@ public final class Items {
     public static final Item RAW_IRON_BLOCK = register(new BlockItem(builder(), Blocks.RAW_IRON_BLOCK));
     public static final Item RAW_COPPER_BLOCK = register(new BlockItem(builder(), Blocks.RAW_COPPER_BLOCK));
     public static final Item RAW_GOLD_BLOCK = register(new BlockItem(builder(), Blocks.RAW_GOLD_BLOCK));
-    public static final Item HEAVY_CORE = register(new BlockItem(builder(), Blocks.HEAVY_CORE));
+    public static final Item HEAVY_CORE = register(new BlockItem(builder().rarity(Rarity.EPIC), Blocks.HEAVY_CORE));
     public static final Item AMETHYST_BLOCK = register(new BlockItem(builder(), Blocks.AMETHYST_BLOCK));
     public static final Item BUDDING_AMETHYST = register(new BlockItem(builder(), Blocks.BUDDING_AMETHYST));
     public static final Item IRON_BLOCK = register(new BlockItem(builder(), Blocks.IRON_BLOCK));
@@ -416,7 +417,7 @@ public final class Items {
     public static final Item END_PORTAL_FRAME = register(new BlockItem(builder(), Blocks.END_PORTAL_FRAME));
     public static final Item END_STONE = register(new BlockItem(builder(), Blocks.END_STONE));
     public static final Item END_STONE_BRICKS = register(new BlockItem(builder(), Blocks.END_STONE_BRICKS));
-    public static final Item DRAGON_EGG = register(new BlockItem(builder(), Blocks.DRAGON_EGG));
+    public static final Item DRAGON_EGG = register(new BlockItem(builder().rarity(Rarity.EPIC), Blocks.DRAGON_EGG));
     public static final Item SANDSTONE_STAIRS = register(new BlockItem(builder(), Blocks.SANDSTONE_STAIRS));
     public static final Item ENDER_CHEST = register(new BlockItem(builder(), Blocks.ENDER_CHEST));
     public static final Item EMERALD_BLOCK = register(new BlockItem(builder(), Blocks.EMERALD_BLOCK));
@@ -432,8 +433,8 @@ public final class Items {
     public static final Item BAMBOO_MOSAIC_STAIRS = register(new BlockItem(builder(), Blocks.BAMBOO_MOSAIC_STAIRS));
     public static final Item CRIMSON_STAIRS = register(new BlockItem(builder(), Blocks.CRIMSON_STAIRS));
     public static final Item WARPED_STAIRS = register(new BlockItem(builder(), Blocks.WARPED_STAIRS));
-    public static final Item COMMAND_BLOCK = register(new BlockItem(builder(), Blocks.COMMAND_BLOCK));
-    public static final Item BEACON = register(new BlockItem(builder(), Blocks.BEACON));
+    public static final Item COMMAND_BLOCK = register(new BlockItem(builder().rarity(Rarity.EPIC), Blocks.COMMAND_BLOCK));
+    public static final Item BEACON = register(new BlockItem(builder().rarity(Rarity.RARE), Blocks.BEACON));
     public static final Item COBBLESTONE_WALL = register(new BlockItem(builder(), Blocks.COBBLESTONE_WALL));
     public static final Item MOSSY_COBBLESTONE_WALL = register(new BlockItem(builder(), Blocks.MOSSY_COBBLESTONE_WALL));
     public static final Item BRICK_WALL = register(new BlockItem(builder(), Blocks.BRICK_WALL));
@@ -480,8 +481,8 @@ public final class Items {
     public static final Item GREEN_TERRACOTTA = register(new BlockItem(builder(), Blocks.GREEN_TERRACOTTA));
     public static final Item RED_TERRACOTTA = register(new BlockItem(builder(), Blocks.RED_TERRACOTTA));
     public static final Item BLACK_TERRACOTTA = register(new BlockItem(builder(), Blocks.BLACK_TERRACOTTA));
-    public static final Item BARRIER = register(new BlockItem(builder(), Blocks.BARRIER));
-    public static final Item LIGHT = register(new BlockItem(builder(), Blocks.LIGHT));
+    public static final Item BARRIER = register(new BlockItem(builder().rarity(Rarity.EPIC), Blocks.BARRIER));
+    public static final Item LIGHT = register(new BlockItem(builder().rarity(Rarity.EPIC), Blocks.LIGHT));
     public static final Item HAY_BLOCK = register(new BlockItem(builder(), Blocks.HAY_BLOCK));
     public static final Item WHITE_CARPET = register(new BlockItem(builder(), Blocks.WHITE_CARPET));
     public static final Item ORANGE_CARPET = register(new BlockItem(builder(), Blocks.ORANGE_CARPET));
@@ -551,14 +552,14 @@ public final class Items {
     public static final Item CHISELED_RED_SANDSTONE = register(new BlockItem(builder(), Blocks.CHISELED_RED_SANDSTONE));
     public static final Item CUT_RED_SANDSTONE = register(new BlockItem(builder(), Blocks.CUT_RED_SANDSTONE));
     public static final Item RED_SANDSTONE_STAIRS = register(new BlockItem(builder(), Blocks.RED_SANDSTONE_STAIRS));
-    public static final Item REPEATING_COMMAND_BLOCK = register(new BlockItem(builder(), Blocks.REPEATING_COMMAND_BLOCK));
-    public static final Item CHAIN_COMMAND_BLOCK = register(new BlockItem(builder(), Blocks.CHAIN_COMMAND_BLOCK));
+    public static final Item REPEATING_COMMAND_BLOCK = register(new BlockItem(builder().rarity(Rarity.EPIC), Blocks.REPEATING_COMMAND_BLOCK));
+    public static final Item CHAIN_COMMAND_BLOCK = register(new BlockItem(builder().rarity(Rarity.EPIC), Blocks.CHAIN_COMMAND_BLOCK));
     public static final Item MAGMA_BLOCK = register(new BlockItem(builder(), Blocks.MAGMA_BLOCK));
     public static final Item NETHER_WART_BLOCK = register(new BlockItem(builder(), Blocks.NETHER_WART_BLOCK));
     public static final Item WARPED_WART_BLOCK = register(new BlockItem(builder(), Blocks.WARPED_WART_BLOCK));
     public static final Item RED_NETHER_BRICKS = register(new BlockItem(builder(), Blocks.RED_NETHER_BRICKS));
     public static final Item BONE_BLOCK = register(new BlockItem(builder(), Blocks.BONE_BLOCK));
-    public static final Item STRUCTURE_VOID = register(new BlockItem(builder(), Blocks.STRUCTURE_VOID));
+    public static final Item STRUCTURE_VOID = register(new BlockItem(builder().rarity(Rarity.EPIC), Blocks.STRUCTURE_VOID));
     public static final Item SHULKER_BOX = register(new ShulkerBoxItem(builder().stackSize(1), Blocks.SHULKER_BOX));
     public static final Item WHITE_SHULKER_BOX = register(new ShulkerBoxItem(builder().stackSize(1), Blocks.WHITE_SHULKER_BOX));
     public static final Item ORANGE_SHULKER_BOX = register(new ShulkerBoxItem(builder().stackSize(1), Blocks.ORANGE_SHULKER_BOX));
@@ -657,7 +658,7 @@ public final class Items {
     public static final Item DEAD_FIRE_CORAL_FAN = register(new BlockItem(builder(), Blocks.DEAD_FIRE_CORAL_FAN, Blocks.DEAD_FIRE_CORAL_WALL_FAN));
     public static final Item DEAD_HORN_CORAL_FAN = register(new BlockItem(builder(), Blocks.DEAD_HORN_CORAL_FAN, Blocks.DEAD_HORN_CORAL_WALL_FAN));
     public static final Item BLUE_ICE = register(new BlockItem(builder(), Blocks.BLUE_ICE));
-    public static final Item CONDUIT = register(new BlockItem(builder(), Blocks.CONDUIT));
+    public static final Item CONDUIT = register(new BlockItem(builder().rarity(Rarity.RARE), Blocks.CONDUIT));
     public static final Item POLISHED_GRANITE_STAIRS = register(new BlockItem(builder(), Blocks.POLISHED_GRANITE_STAIRS));
     public static final Item SMOOTH_RED_SANDSTONE_STAIRS = register(new BlockItem(builder(), Blocks.SMOOTH_RED_SANDSTONE_STAIRS));
     public static final Item MOSSY_STONE_BRICK_STAIRS = register(new BlockItem(builder(), Blocks.MOSSY_STONE_BRICK_STAIRS));
@@ -810,7 +811,7 @@ public final class Items {
     public static final Item HOPPER_MINECART = register(new Item("hopper_minecart", builder().stackSize(1)));
     public static final Item CARROT_ON_A_STICK = register(new Item("carrot_on_a_stick", builder().stackSize(1).maxDamage(25)));
     public static final Item WARPED_FUNGUS_ON_A_STICK = register(new Item("warped_fungus_on_a_stick", builder().stackSize(1).maxDamage(100)));
-    public static final Item ELYTRA = register(new ElytraItem("elytra", builder().stackSize(1).maxDamage(432)));
+    public static final Item ELYTRA = register(new ElytraItem("elytra", builder().stackSize(1).maxDamage(432).rarity(Rarity.UNCOMMON)));
     public static final Item OAK_BOAT = register(new BoatItem("oak_boat", builder().stackSize(1)));
     public static final Item OAK_CHEST_BOAT = register(new BoatItem("oak_chest_boat", builder().stackSize(1)));
     public static final Item SPRUCE_BOAT = register(new BoatItem("spruce_boat", builder().stackSize(1)));
@@ -829,8 +830,8 @@ public final class Items {
     public static final Item MANGROVE_CHEST_BOAT = register(new BoatItem("mangrove_chest_boat", builder().stackSize(1)));
     public static final Item BAMBOO_RAFT = register(new BoatItem("bamboo_raft", builder().stackSize(1)));
     public static final Item BAMBOO_CHEST_RAFT = register(new BoatItem("bamboo_chest_raft", builder().stackSize(1)));
-    public static final Item STRUCTURE_BLOCK = register(new BlockItem(builder(), Blocks.STRUCTURE_BLOCK));
-    public static final Item JIGSAW = register(new BlockItem(builder(), Blocks.JIGSAW));
+    public static final Item STRUCTURE_BLOCK = register(new BlockItem(builder().rarity(Rarity.EPIC), Blocks.STRUCTURE_BLOCK));
+    public static final Item JIGSAW = register(new BlockItem(builder().rarity(Rarity.EPIC), Blocks.JIGSAW));
     public static final Item TURTLE_HELMET = register(new ArmorItem("turtle_helmet", ArmorMaterial.TURTLE, builder().stackSize(1).maxDamage(275)));
     public static final Item TURTLE_SCUTE = register(new Item("turtle_scute", builder()));
     public static final Item ARMADILLO_SCUTE = register(new Item("armadillo_scute", builder()));
@@ -921,8 +922,8 @@ public final class Items {
     public static final Item PORKCHOP = register(new Item("porkchop", builder()));
     public static final Item COOKED_PORKCHOP = register(new Item("cooked_porkchop", builder()));
     public static final Item PAINTING = register(new Item("painting", builder()));
-    public static final Item GOLDEN_APPLE = register(new Item("golden_apple", builder()));
-    public static final Item ENCHANTED_GOLDEN_APPLE = register(new Item("enchanted_golden_apple", builder()));
+    public static final Item GOLDEN_APPLE = register(new Item("golden_apple", builder().rarity(Rarity.RARE)));
+    public static final Item ENCHANTED_GOLDEN_APPLE = register(new Item("enchanted_golden_apple", builder().rarity(Rarity.EPIC)));
     public static final Item OAK_SIGN = register(new BlockItem(builder().stackSize(16), Blocks.OAK_SIGN, Blocks.OAK_WALL_SIGN));
     public static final Item SPRUCE_SIGN = register(new BlockItem(builder().stackSize(16), Blocks.SPRUCE_SIGN, Blocks.SPRUCE_WALL_SIGN));
     public static final Item BIRCH_SIGN = register(new BlockItem(builder().stackSize(16), Blocks.BIRCH_SIGN, Blocks.BIRCH_WALL_SIGN));
@@ -1042,7 +1043,7 @@ public final class Items {
     public static final Item BLAZE_POWDER = register(new Item("blaze_powder", builder()));
     public static final Item MAGMA_CREAM = register(new Item("magma_cream", builder()));
     public static final Item BREWING_STAND = register(new BlockItem(builder(), Blocks.BREWING_STAND));
-    public static final Item CAULDRON = register(new BlockItem(builder(), Blocks.CAULDRON, Blocks.WATER_CAULDRON, Blocks.LAVA_CAULDRON, Blocks.POWDER_SNOW_CAULDRON));
+    public static final Item CAULDRON = register(new BlockItem(builder(), Blocks.CAULDRON, Blocks.WATER_CAULDRON, Blocks.POWDER_SNOW_CAULDRON, Blocks.LAVA_CAULDRON));
     public static final Item ENDER_EYE = register(new Item("ender_eye", builder()));
     public static final Item GLISTERING_MELON_SLICE = register(new Item("glistering_melon_slice", builder()));
     public static final Item ARMADILLO_SPAWN_EGG = register(new SpawnEggItem("armadillo_spawn_egg", builder()));
@@ -1125,12 +1126,12 @@ public final class Items {
     public static final Item ZOMBIE_HORSE_SPAWN_EGG = register(new SpawnEggItem("zombie_horse_spawn_egg", builder()));
     public static final Item ZOMBIE_VILLAGER_SPAWN_EGG = register(new SpawnEggItem("zombie_villager_spawn_egg", builder()));
     public static final Item ZOMBIFIED_PIGLIN_SPAWN_EGG = register(new SpawnEggItem("zombified_piglin_spawn_egg", builder()));
-    public static final Item EXPERIENCE_BOTTLE = register(new Item("experience_bottle", builder()));
+    public static final Item EXPERIENCE_BOTTLE = register(new Item("experience_bottle", builder().rarity(Rarity.UNCOMMON)));
     public static final Item FIRE_CHARGE = register(new Item("fire_charge", builder()));
     public static final Item WIND_CHARGE = register(new Item("wind_charge", builder()));
     public static final Item WRITABLE_BOOK = register(new WritableBookItem("writable_book", builder().stackSize(1)));
     public static final Item WRITTEN_BOOK = register(new WrittenBookItem("written_book", builder().stackSize(16)));
-    public static final Item MACE = register(new MaceItem("mace", builder().stackSize(1).maxDamage(500)));
+    public static final Item MACE = register(new MaceItem("mace", builder().stackSize(1).maxDamage(500).rarity(Rarity.EPIC)));
     public static final Item ITEM_FRAME = register(new Item("item_frame", builder()));
     public static final Item GLOW_ITEM_FRAME = register(new Item("glow_item_frame", builder()));
     public static final Item FLOWER_POT = register(new BlockItem(builder(), Blocks.FLOWER_POT));
@@ -1140,18 +1141,18 @@ public final class Items {
     public static final Item POISONOUS_POTATO = register(new Item("poisonous_potato", builder()));
     public static final Item MAP = register(new MapItem("map", builder()));
     public static final Item GOLDEN_CARROT = register(new Item("golden_carrot", builder()));
-    public static final Item SKELETON_SKULL = register(new BlockItem(builder(), Blocks.SKELETON_SKULL, Blocks.SKELETON_WALL_SKULL));
-    public static final Item WITHER_SKELETON_SKULL = register(new BlockItem(builder(), Blocks.WITHER_SKELETON_SKULL, Blocks.WITHER_SKELETON_WALL_SKULL));
-    public static final Item PLAYER_HEAD = register(new PlayerHeadItem(builder(), Blocks.PLAYER_HEAD, Blocks.PLAYER_WALL_HEAD));
-    public static final Item ZOMBIE_HEAD = register(new BlockItem(builder(), Blocks.ZOMBIE_HEAD, Blocks.ZOMBIE_WALL_HEAD));
-    public static final Item CREEPER_HEAD = register(new BlockItem(builder(), Blocks.CREEPER_HEAD, Blocks.CREEPER_WALL_HEAD));
-    public static final Item DRAGON_HEAD = register(new BlockItem(builder(), Blocks.DRAGON_HEAD, Blocks.DRAGON_WALL_HEAD));
-    public static final Item PIGLIN_HEAD = register(new BlockItem(builder(), Blocks.PIGLIN_HEAD, Blocks.PIGLIN_WALL_HEAD));
-    public static final Item NETHER_STAR = register(new Item("nether_star", builder()));
+    public static final Item SKELETON_SKULL = register(new BlockItem(builder().rarity(Rarity.UNCOMMON), Blocks.SKELETON_SKULL, Blocks.SKELETON_WALL_SKULL));
+    public static final Item WITHER_SKELETON_SKULL = register(new BlockItem(builder().rarity(Rarity.UNCOMMON), Blocks.WITHER_SKELETON_SKULL, Blocks.WITHER_SKELETON_WALL_SKULL));
+    public static final Item PLAYER_HEAD = register(new PlayerHeadItem(builder().rarity(Rarity.UNCOMMON), Blocks.PLAYER_HEAD, Blocks.PLAYER_WALL_HEAD));
+    public static final Item ZOMBIE_HEAD = register(new BlockItem(builder().rarity(Rarity.UNCOMMON), Blocks.ZOMBIE_HEAD, Blocks.ZOMBIE_WALL_HEAD));
+    public static final Item CREEPER_HEAD = register(new BlockItem(builder().rarity(Rarity.UNCOMMON), Blocks.CREEPER_HEAD, Blocks.CREEPER_WALL_HEAD));
+    public static final Item DRAGON_HEAD = register(new BlockItem(builder().rarity(Rarity.UNCOMMON), Blocks.DRAGON_HEAD, Blocks.DRAGON_WALL_HEAD));
+    public static final Item PIGLIN_HEAD = register(new BlockItem(builder().rarity(Rarity.UNCOMMON), Blocks.PIGLIN_HEAD, Blocks.PIGLIN_WALL_HEAD));
+    public static final Item NETHER_STAR = register(new Item("nether_star", builder().rarity(Rarity.UNCOMMON)));
     public static final Item PUMPKIN_PIE = register(new Item("pumpkin_pie", builder()));
     public static final Item FIREWORK_ROCKET = register(new FireworkRocketItem("firework_rocket", builder()));
     public static final Item FIREWORK_STAR = register(new FireworkStarItem("firework_star", builder()));
-    public static final Item ENCHANTED_BOOK = register(new EnchantedBookItem("enchanted_book", builder().stackSize(1)));
+    public static final Item ENCHANTED_BOOK = register(new EnchantedBookItem("enchanted_book", builder().stackSize(1).rarity(Rarity.UNCOMMON)));
     public static final Item NETHER_BRICK = register(new Item("nether_brick", builder()));
     public static final Item PRISMARINE_SHARD = register(new Item("prismarine_shard", builder()));
     public static final Item PRISMARINE_CRYSTALS = register(new Item("prismarine_crystals", builder()));
@@ -1167,7 +1168,7 @@ public final class Items {
     public static final Item LEATHER_HORSE_ARMOR = register(new DyeableArmorItem("leather_horse_armor", ArmorMaterial.LEATHER, builder().stackSize(1)));
     public static final Item LEAD = register(new Item("lead", builder()));
     public static final Item NAME_TAG = register(new Item("name_tag", builder()));
-    public static final Item COMMAND_BLOCK_MINECART = register(new Item("command_block_minecart", builder().stackSize(1)));
+    public static final Item COMMAND_BLOCK_MINECART = register(new Item("command_block_minecart", builder().stackSize(1).rarity(Rarity.EPIC)));
     public static final Item MUTTON = register(new Item("mutton", builder()));
     public static final Item COOKED_MUTTON = register(new Item("cooked_mutton", builder()));
     public static final Item WHITE_BANNER = register(new BannerItem(builder().stackSize(16), Blocks.WHITE_BANNER, Blocks.WHITE_WALL_BANNER));
@@ -1186,7 +1187,7 @@ public final class Items {
     public static final Item GREEN_BANNER = register(new BannerItem(builder().stackSize(16), Blocks.GREEN_BANNER, Blocks.GREEN_WALL_BANNER));
     public static final Item RED_BANNER = register(new BannerItem(builder().stackSize(16), Blocks.RED_BANNER, Blocks.RED_WALL_BANNER));
     public static final Item BLACK_BANNER = register(new BannerItem(builder().stackSize(16), Blocks.BLACK_BANNER, Blocks.BLACK_WALL_BANNER));
-    public static final Item END_CRYSTAL = register(new Item("end_crystal", builder()));
+    public static final Item END_CRYSTAL = register(new Item("end_crystal", builder().rarity(Rarity.RARE)));
     public static final Item CHORUS_FRUIT = register(new Item("chorus_fruit", builder()));
     public static final Item POPPED_CHORUS_FRUIT = register(new Item("popped_chorus_fruit", builder()));
     public static final Item TORCHFLOWER_SEEDS = register(new BlockItem("torchflower_seeds", builder(), Blocks.TORCHFLOWER_CROP));
@@ -1194,52 +1195,52 @@ public final class Items {
     public static final Item BEETROOT = register(new Item("beetroot", builder()));
     public static final Item BEETROOT_SEEDS = register(new BlockItem("beetroot_seeds", builder(), Blocks.BEETROOTS));
     public static final Item BEETROOT_SOUP = register(new Item("beetroot_soup", builder().stackSize(1)));
-    public static final Item DRAGON_BREATH = register(new Item("dragon_breath", builder()));
+    public static final Item DRAGON_BREATH = register(new Item("dragon_breath", builder().rarity(Rarity.UNCOMMON)));
     public static final Item SPLASH_POTION = register(new PotionItem("splash_potion", builder().stackSize(1)));
     public static final Item SPECTRAL_ARROW = register(new Item("spectral_arrow", builder()));
     public static final Item TIPPED_ARROW = register(new TippedArrowItem("tipped_arrow", builder()));
     public static final Item LINGERING_POTION = register(new PotionItem("lingering_potion", builder().stackSize(1)));
     public static final Item SHIELD = register(new ShieldItem("shield", builder().stackSize(1).maxDamage(336)));
-    public static final Item TOTEM_OF_UNDYING = register(new Item("totem_of_undying", builder().stackSize(1)));
+    public static final Item TOTEM_OF_UNDYING = register(new Item("totem_of_undying", builder().stackSize(1).rarity(Rarity.UNCOMMON)));
     public static final Item SHULKER_SHELL = register(new Item("shulker_shell", builder()));
     public static final Item IRON_NUGGET = register(new Item("iron_nugget", builder()));
-    public static final Item KNOWLEDGE_BOOK = register(new Item("knowledge_book", builder().stackSize(1)));
-    public static final Item DEBUG_STICK = register(new Item("debug_stick", builder().stackSize(1)));
-    public static final Item MUSIC_DISC_13 = register(new Item("music_disc_13", builder().stackSize(1)));
-    public static final Item MUSIC_DISC_CAT = register(new Item("music_disc_cat", builder().stackSize(1)));
-    public static final Item MUSIC_DISC_BLOCKS = register(new Item("music_disc_blocks", builder().stackSize(1)));
-    public static final Item MUSIC_DISC_CHIRP = register(new Item("music_disc_chirp", builder().stackSize(1)));
-    public static final Item MUSIC_DISC_CREATOR = register(new Item("music_disc_creator", builder().stackSize(1)));
-    public static final Item MUSIC_DISC_CREATOR_MUSIC_BOX = register(new Item("music_disc_creator_music_box", builder().stackSize(1)));
-    public static final Item MUSIC_DISC_FAR = register(new Item("music_disc_far", builder().stackSize(1)));
-    public static final Item MUSIC_DISC_MALL = register(new Item("music_disc_mall", builder().stackSize(1)));
-    public static final Item MUSIC_DISC_MELLOHI = register(new Item("music_disc_mellohi", builder().stackSize(1)));
-    public static final Item MUSIC_DISC_STAL = register(new Item("music_disc_stal", builder().stackSize(1)));
-    public static final Item MUSIC_DISC_STRAD = register(new Item("music_disc_strad", builder().stackSize(1)));
-    public static final Item MUSIC_DISC_WARD = register(new Item("music_disc_ward", builder().stackSize(1)));
-    public static final Item MUSIC_DISC_11 = register(new Item("music_disc_11", builder().stackSize(1)));
-    public static final Item MUSIC_DISC_WAIT = register(new Item("music_disc_wait", builder().stackSize(1)));
-    public static final Item MUSIC_DISC_OTHERSIDE = register(new Item("music_disc_otherside", builder().stackSize(1)));
-    public static final Item MUSIC_DISC_RELIC = register(new Item("music_disc_relic", builder().stackSize(1)));
-    public static final Item MUSIC_DISC_5 = register(new Item("music_disc_5", builder().stackSize(1)));
-    public static final Item MUSIC_DISC_PIGSTEP = register(new Item("music_disc_pigstep", builder().stackSize(1)));
-    public static final Item MUSIC_DISC_PRECIPICE = register(new Item("music_disc_precipice", builder().stackSize(1)));
+    public static final Item KNOWLEDGE_BOOK = register(new Item("knowledge_book", builder().stackSize(1).rarity(Rarity.EPIC)));
+    public static final Item DEBUG_STICK = register(new Item("debug_stick", builder().stackSize(1).rarity(Rarity.EPIC).glint(true)));
+    public static final Item MUSIC_DISC_13 = register(new Item("music_disc_13", builder().stackSize(1).rarity(Rarity.RARE)));
+    public static final Item MUSIC_DISC_CAT = register(new Item("music_disc_cat", builder().stackSize(1).rarity(Rarity.RARE)));
+    public static final Item MUSIC_DISC_BLOCKS = register(new Item("music_disc_blocks", builder().stackSize(1).rarity(Rarity.RARE)));
+    public static final Item MUSIC_DISC_CHIRP = register(new Item("music_disc_chirp", builder().stackSize(1).rarity(Rarity.RARE)));
+    public static final Item MUSIC_DISC_CREATOR = register(new Item("music_disc_creator", builder().stackSize(1).rarity(Rarity.RARE)));
+    public static final Item MUSIC_DISC_CREATOR_MUSIC_BOX = register(new Item("music_disc_creator_music_box", builder().stackSize(1).rarity(Rarity.RARE)));
+    public static final Item MUSIC_DISC_FAR = register(new Item("music_disc_far", builder().stackSize(1).rarity(Rarity.RARE)));
+    public static final Item MUSIC_DISC_MALL = register(new Item("music_disc_mall", builder().stackSize(1).rarity(Rarity.RARE)));
+    public static final Item MUSIC_DISC_MELLOHI = register(new Item("music_disc_mellohi", builder().stackSize(1).rarity(Rarity.RARE)));
+    public static final Item MUSIC_DISC_STAL = register(new Item("music_disc_stal", builder().stackSize(1).rarity(Rarity.RARE)));
+    public static final Item MUSIC_DISC_STRAD = register(new Item("music_disc_strad", builder().stackSize(1).rarity(Rarity.RARE)));
+    public static final Item MUSIC_DISC_WARD = register(new Item("music_disc_ward", builder().stackSize(1).rarity(Rarity.RARE)));
+    public static final Item MUSIC_DISC_11 = register(new Item("music_disc_11", builder().stackSize(1).rarity(Rarity.RARE)));
+    public static final Item MUSIC_DISC_WAIT = register(new Item("music_disc_wait", builder().stackSize(1).rarity(Rarity.RARE)));
+    public static final Item MUSIC_DISC_OTHERSIDE = register(new Item("music_disc_otherside", builder().stackSize(1).rarity(Rarity.RARE)));
+    public static final Item MUSIC_DISC_RELIC = register(new Item("music_disc_relic", builder().stackSize(1).rarity(Rarity.RARE)));
+    public static final Item MUSIC_DISC_5 = register(new Item("music_disc_5", builder().stackSize(1).rarity(Rarity.RARE)));
+    public static final Item MUSIC_DISC_PIGSTEP = register(new Item("music_disc_pigstep", builder().stackSize(1).rarity(Rarity.RARE)));
+    public static final Item MUSIC_DISC_PRECIPICE = register(new Item("music_disc_precipice", builder().stackSize(1).rarity(Rarity.RARE)));
     public static final Item DISC_FRAGMENT_5 = register(new Item("disc_fragment_5", builder()));
-    public static final Item TRIDENT = register(new Item("trident", builder().stackSize(1).maxDamage(250).attackDamage(9.0)));
+    public static final Item TRIDENT = register(new Item("trident", builder().stackSize(1).maxDamage(250).attackDamage(9.0).rarity(Rarity.EPIC)));
     public static final Item PHANTOM_MEMBRANE = register(new Item("phantom_membrane", builder()));
     public static final Item NAUTILUS_SHELL = register(new Item("nautilus_shell", builder()));
-    public static final Item HEART_OF_THE_SEA = register(new Item("heart_of_the_sea", builder()));
+    public static final Item HEART_OF_THE_SEA = register(new Item("heart_of_the_sea", builder().rarity(Rarity.UNCOMMON)));
     public static final Item CROSSBOW = register(new CrossbowItem("crossbow", builder().stackSize(1).maxDamage(465)));
     public static final Item SUSPICIOUS_STEW = register(new Item("suspicious_stew", builder().stackSize(1)));
     public static final Item LOOM = register(new BlockItem(builder(), Blocks.LOOM));
     public static final Item FLOWER_BANNER_PATTERN = register(new Item("flower_banner_pattern", builder().stackSize(1)));
-    public static final Item CREEPER_BANNER_PATTERN = register(new Item("creeper_banner_pattern", builder().stackSize(1)));
-    public static final Item SKULL_BANNER_PATTERN = register(new Item("skull_banner_pattern", builder().stackSize(1)));
-    public static final Item MOJANG_BANNER_PATTERN = register(new Item("mojang_banner_pattern", builder().stackSize(1)));
+    public static final Item CREEPER_BANNER_PATTERN = register(new Item("creeper_banner_pattern", builder().stackSize(1).rarity(Rarity.UNCOMMON)));
+    public static final Item SKULL_BANNER_PATTERN = register(new Item("skull_banner_pattern", builder().stackSize(1).rarity(Rarity.UNCOMMON)));
+    public static final Item MOJANG_BANNER_PATTERN = register(new Item("mojang_banner_pattern", builder().stackSize(1).rarity(Rarity.EPIC)));
     public static final Item GLOBE_BANNER_PATTERN = register(new Item("globe_banner_pattern", builder().stackSize(1)));
-    public static final Item PIGLIN_BANNER_PATTERN = register(new Item("piglin_banner_pattern", builder().stackSize(1)));
-    public static final Item FLOW_BANNER_PATTERN = register(new Item("flow_banner_pattern", builder().stackSize(1)));
-    public static final Item GUSTER_BANNER_PATTERN = register(new Item("guster_banner_pattern", builder().stackSize(1)));
+    public static final Item PIGLIN_BANNER_PATTERN = register(new Item("piglin_banner_pattern", builder().stackSize(1).rarity(Rarity.UNCOMMON)));
+    public static final Item FLOW_BANNER_PATTERN = register(new Item("flow_banner_pattern", builder().stackSize(1).rarity(Rarity.RARE)));
+    public static final Item GUSTER_BANNER_PATTERN = register(new Item("guster_banner_pattern", builder().stackSize(1).rarity(Rarity.RARE)));
     public static final Item GOAT_HORN = register(new GoatHornItem("goat_horn", builder().stackSize(1)));
     public static final Item COMPOSTER = register(new BlockItem(builder(), Blocks.COMPOSTER));
     public static final Item BARREL = register(new BlockItem(builder(), Blocks.BARREL));

core/src/main/java/org/geysermc/geyser/item/components/Rarity.java

@@ -0,0 +1,51 @@
+/*
+ * Copyright (c) 2024 GeyserMC. http://geysermc.org
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * @author GeyserMC
+ * @link https://github.com/GeyserMC/Geyser
+ */
+
+package org.geysermc.geyser.item.components;
+
+import lombok.Getter;
+
+@Getter
+public enum Rarity {
+    COMMON("common", 'f'),
+    UNCOMMON("uncommon", 'e'),
+    RARE("rare", 'b'),
+    EPIC("epic", 'd');
+
+    private final String name;
+    private final char color;
+
+    Rarity(final String name, char chatColor) {
+        this.name = name;
+        this.color = chatColor;
+    }
+
+    private static final Rarity[] VALUES = values();
+
+    public static Rarity fromId(int id) {
+        return VALUES.length > id ? VALUES[id] : VALUES[0];
+    }
+
+}

core/src/main/java/org/geysermc/geyser/item/type/Item.java

@@ -35,6 +35,7 @@ import org.geysermc.geyser.GeyserImpl;
 import org.geysermc.geyser.inventory.GeyserItemStack;
 import org.geysermc.geyser.inventory.item.BedrockEnchantment;
 import org.geysermc.geyser.item.Items;
+import org.geysermc.geyser.item.components.Rarity;
 import org.geysermc.geyser.item.enchantment.Enchantment;
 import org.geysermc.geyser.level.block.type.Block;
 import org.geysermc.geyser.registry.type.ItemMapping;
@@ -63,12 +64,16 @@ public class Item {
     private final int stackSize;
     private final int attackDamage;
     private final int maxDamage;
+    private final Rarity rarity;
+    private final boolean glint;
 
     public Item(String javaIdentifier, Builder builder) {
         this.javaIdentifier = MinecraftKey.key(javaIdentifier).asString().intern();
         this.stackSize = builder.stackSize;
         this.maxDamage = builder.maxDamage;
         this.attackDamage = builder.attackDamage;
+        this.rarity = builder.rarity;
+        this.glint = builder.glint;
     }
 
     public String javaIdentifier() {
@@ -91,6 +96,14 @@ public class Item {
         return stackSize;
     }
 
+    public Rarity rarity() {
+        return rarity;
+    }
+
+    public boolean glint() {
+        return glint;
+    }
+
     public boolean isValidRepairItem(Item other) {
         return false;
     }
@@ -275,6 +288,8 @@ public class Item {
         private int stackSize = 64;
         private int maxDamage;
         private int attackDamage;
+        private Rarity rarity = Rarity.COMMON;
+        private boolean glint = false;
 
         public Builder stackSize(int stackSize) {
             this.stackSize = stackSize;
@@ -292,6 +307,16 @@ public class Item {
             return this;
         }
 
+        public Builder rarity(Rarity rarity) {
+            this.rarity = rarity;
+            return this;
+        }
+
+        public Builder glint(boolean glintOverride) {
+            this.glint = glintOverride;
+            return this;
+        }
+
         private Builder() {
         }
     }

core/src/main/java/org/geysermc/geyser/registry/populator/ItemRegistryPopulator.java

@@ -58,6 +58,7 @@ import org.geysermc.geyser.api.item.custom.NonVanillaCustomItemData;
 import org.geysermc.geyser.inventory.item.StoredItemMappings;
 import org.geysermc.geyser.item.GeyserCustomMappingData;
 import org.geysermc.geyser.item.Items;
+import org.geysermc.geyser.item.components.Rarity;
 import org.geysermc.geyser.item.type.Item;
 import org.geysermc.geyser.registry.BlockRegistries;
 import org.geysermc.geyser.registry.Registries;
@@ -399,8 +400,9 @@ public class ItemRegistryPopulator {
                     }
                 }
 
-                if (javaOnlyItems.contains(javaItem)) {
+                if (javaOnlyItems.contains(javaItem) || javaItem.rarity() != Rarity.COMMON) {
                     // These items don't exist on Bedrock, so set up a variable that indicates they should have custom names
+                    // Or, ensure that we are translating these at all times to account for rarity colouring
                     mappingBuilder = mappingBuilder.translationString((bedrockBlock != null ? "block." : "item.") + entry.getKey().replace(":", "."));
                     GeyserImpl.getInstance().getLogger().debug("Adding " + entry.getKey() + " as an item that needs to be translated.");
                 }

core/src/main/java/org/geysermc/geyser/translator/item/ItemTranslator.java

@@ -33,7 +33,9 @@ import net.kyori.adventure.text.Component;
 import net.kyori.adventure.text.format.NamedTextColor;
 import org.checkerframework.checker.nullness.qual.NonNull;
 import org.checkerframework.checker.nullness.qual.Nullable;
+import org.cloudburstmc.nbt.NbtList;
 import org.cloudburstmc.nbt.NbtMap;
+import org.cloudburstmc.nbt.NbtMapBuilder;
 import org.cloudburstmc.protocol.bedrock.data.definitions.BlockDefinition;
 import org.cloudburstmc.protocol.bedrock.data.definitions.ItemDefinition;
 import org.cloudburstmc.protocol.bedrock.data.inventory.ItemData;
@@ -41,6 +43,7 @@ import org.geysermc.geyser.GeyserImpl;
 import org.geysermc.geyser.api.block.custom.CustomBlockData;
 import org.geysermc.geyser.inventory.GeyserItemStack;
 import org.geysermc.geyser.item.Items;
+import org.geysermc.geyser.item.components.Rarity;
 import org.geysermc.geyser.item.type.Item;
 import org.geysermc.geyser.level.block.type.Block;
 import org.geysermc.geyser.registry.BlockRegistries;
@@ -145,7 +148,20 @@ public final class ItemTranslator {
             if (components.get(DataComponentType.HIDE_TOOLTIP) != null) hideTooltips = true;
         }
 
-        String customName = getCustomName(session, components, bedrockItem);
+        Rarity rarity = javaItem.rarity();
+        boolean enchantmentGlint = javaItem.glint();
+        if (components != null) {
+            Integer rarityIndex = components.get(DataComponentType.RARITY);
+            if (rarityIndex != null) {
+                rarity = Rarity.fromId(rarityIndex);
+            }
+            Boolean enchantmentGlintOverride = components.get(DataComponentType.ENCHANTMENT_GLINT_OVERRIDE);
+            if (enchantmentGlintOverride != null) {
+                enchantmentGlint = enchantmentGlintOverride;
+            }
+        }
+
+        String customName = getCustomName(session, components, bedrockItem, rarity.getColor());
         if (customName != null) {
             nbtBuilder.setCustomName(customName);
         }
@@ -162,6 +178,12 @@ public final class ItemTranslator {
             addAdvancedTooltips(components, nbtBuilder, javaItem, session.locale());
         }
 
+        // Add enchantment override. We can't remove it - enchantments would stop showing - but we can add it.
+        if (enchantmentGlint) {
+            NbtMapBuilder nbtMapBuilder = nbtBuilder.getOrCreateNbt();
+            nbtMapBuilder.putIfAbsent("ench", NbtList.EMPTY);
+        }
+
         ItemData.Builder builder = javaItem.translateToBedrock(count, components, bedrockItem, session.getItemMappings());
         // Finalize the Bedrock NBT
         builder.tag(nbtBuilder.build());
@@ -401,16 +423,6 @@ public final class ItemTranslator {
         }
     }
 
-    /**
-     * Translates the display name of the item
-     * @param session the Bedrock client's session
-     * @param components the components to translate
-     * @param mapping the item entry, in case it requires translation
-     */
-    public static String getCustomName(GeyserSession session, DataComponents components, ItemMapping mapping) {
-        return getCustomName(session, components, mapping, 'f');
-    }
-
     /**
      * @param translationColor if this item is not available on Java, the color that the new name should be.
      *                         Normally, this should just be white, but for shulker boxes this should be gray.