diff --git a/src/network/mcpe/protocol/serializer/NetworkBinaryStream.php b/src/network/mcpe/protocol/serializer/NetworkBinaryStream.php
index 60d5aa425..a1d5dd833 100644
--- a/src/network/mcpe/protocol/serializer/NetworkBinaryStream.php
+++ b/src/network/mcpe/protocol/serializer/NetworkBinaryStream.php
@@ -25,7 +25,6 @@ namespace pocketmine\network\mcpe\protocol\serializer;
 
 #include <rules/DataPacket.h>
 
-use pocketmine\item\ItemIds;
 use pocketmine\math\Vector3;
 use pocketmine\nbt\NbtDataException;
 use pocketmine\nbt\tag\CompoundTag;
@@ -46,6 +45,7 @@ use pocketmine\network\mcpe\protocol\types\entity\StringMetadataProperty;
 use pocketmine\network\mcpe\protocol\types\entity\Vec3MetadataProperty;
 use pocketmine\network\mcpe\protocol\types\GameRuleType;
 use pocketmine\network\mcpe\protocol\types\inventory\ItemStack;
+use pocketmine\network\mcpe\protocol\types\FixedItemIds;
 use pocketmine\network\mcpe\protocol\types\PersonaPieceTintColor;
 use pocketmine\network\mcpe\protocol\types\PersonaSkinPiece;
 use pocketmine\network\mcpe\protocol\types\recipe\RecipeIngredient;
@@ -240,7 +240,7 @@ class NetworkBinaryStream extends BinaryStream{
 		}
 
 		$shieldBlockingTick = null;
-		if($id === ItemIds::SHIELD){
+		if($id === FixedItemIds::SHIELD){
 			$shieldBlockingTick = $this->getVarLong();
 		}
 
diff --git a/src/network/mcpe/protocol/types/FixedItemIds.php b/src/network/mcpe/protocol/types/FixedItemIds.php
new file mode 100644
index 000000000..5b145e151
--- /dev/null
+++ b/src/network/mcpe/protocol/types/FixedItemIds.php
@@ -0,0 +1,757 @@
+<?php
+
+/*
+ *
+ *  ____            _        _   __  __ _                  __  __ ____
+ * |  _ \ ___   ___| | _____| |_|  \/  (_)_ __   ___      |  \/  |  _ \
+ * | |_) / _ \ / __| |/ / _ \ __| |\/| | | '_ \ / _ \_____| |\/| | |_) |
+ * |  __/ (_) | (__|   <  __/ |_| |  | | | | | |  __/_____| |  | |  __/
+ * |_|   \___/ \___|_|\_\___|\__|_|  |_|_|_| |_|\___|     |_|  |_|_|
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * @author PocketMine Team
+ * @link http://www.pocketmine.net/
+ *
+ *
+*/
+
+declare(strict_types=1);
+
+namespace pocketmine\network\mcpe\protocol\types;
+
+/**
+ * This file is directly generated from the item ID mappings provided by the client. The items listed in this file are
+ * expected to always have the same IDs.
+ *
+ * The constants in this file may change or disappear at any time.
+ *
+ * This file is automatically generated; do NOT edit it by hand or your changes may be lost.
+ */
+final class FixedItemIds{
+
+	private function __construct(){
+		//NOOP
+	}
+
+	public const HONEYCOMB_BLOCK = -221;
+	public const HONEY_BLOCK = -220;
+	public const BEEHIVE = -219;
+	public const BEE_NEST = -218;
+	public const STICKYPISTONARMCOLLISION = -217;
+	public const WITHER_ROSE = -216;
+	public const LIGHT_BLOCK = -215;
+	public const LIT_BLAST_FURNACE = -214;
+	public const COMPOSTER = -213;
+	public const WOOD = -212;
+	public const JIGSAW = -211;
+	public const LAVA_CAULDRON = -210;
+	public const ITEM_CAMPFIRE = -209;
+	public const LANTERN = -208;
+	public const SWEET_BERRY_BUSH = -207;
+	public const BELL = -206;
+
+	public const LOOM = -204;
+	public const BARREL = -203;
+	public const SMITHING_TABLE = -202;
+	public const FLETCHING_TABLE = -201;
+	public const CARTOGRAPHY_TABLE = -200;
+	public const LIT_SMOKER = -199;
+	public const SMOKER = -198;
+	public const STONECUTTER_BLOCK = -197;
+	public const BLAST_FURNACE = -196;
+	public const GRINDSTONE = -195;
+	public const LECTERN = -194;
+	public const DARKOAK_WALL_SIGN = -193;
+	public const DARKOAK_STANDING_SIGN = -192;
+	public const ACACIA_WALL_SIGN = -191;
+	public const ACACIA_STANDING_SIGN = -190;
+	public const JUNGLE_WALL_SIGN = -189;
+	public const JUNGLE_STANDING_SIGN = -188;
+	public const BIRCH_WALL_SIGN = -187;
+	public const BIRCH_STANDING_SIGN = -186;
+	public const SMOOTH_QUARTZ_STAIRS = -185;
+	public const RED_NETHER_BRICK_STAIRS = -184;
+	public const SMOOTH_STONE = -183;
+	public const SPRUCE_WALL_SIGN = -182;
+	public const SPRUCE_STANDING_SIGN = -181;
+	public const NORMAL_STONE_STAIRS = -180;
+	public const MOSSY_COBBLESTONE_STAIRS = -179;
+	public const END_BRICK_STAIRS = -178;
+	public const SMOOTH_SANDSTONE_STAIRS = -177;
+	public const SMOOTH_RED_SANDSTONE_STAIRS = -176;
+	public const MOSSY_STONE_BRICK_STAIRS = -175;
+	public const POLISHED_ANDESITE_STAIRS = -174;
+	public const POLISHED_DIORITE_STAIRS = -173;
+	public const POLISHED_GRANITE_STAIRS = -172;
+	public const ANDESITE_STAIRS = -171;
+	public const DIORITE_STAIRS = -170;
+	public const GRANITE_STAIRS = -169;
+	public const REAL_DOUBLE_STONE_SLAB4 = -168;
+	public const REAL_DOUBLE_STONE_SLAB3 = -167;
+	public const DOUBLE_STONE_SLAB4 = -166;
+	public const SCAFFOLDING = -165;
+	public const BAMBOO_SAPLING = -164;
+	public const BAMBOO = -163;
+	public const DOUBLE_STONE_SLAB3 = -162;
+	public const BARRIER = -161;
+	public const BUBBLE_COLUMN = -160;
+	public const TURTLE_EGG = -159;
+	public const AIR = -158;
+	public const CONDUIT = -157;
+	public const SEA_PICKLE = -156;
+	public const CARVED_PUMPKIN = -155;
+	public const SPRUCE_PRESSURE_PLATE = -154;
+	public const JUNGLE_PRESSURE_PLATE = -153;
+	public const DARK_OAK_PRESSURE_PLATE = -152;
+	public const BIRCH_PRESSURE_PLATE = -151;
+	public const ACACIA_PRESSURE_PLATE = -150;
+	public const SPRUCE_TRAPDOOR = -149;
+	public const JUNGLE_TRAPDOOR = -148;
+	public const DARK_OAK_TRAPDOOR = -147;
+	public const BIRCH_TRAPDOOR = -146;
+	public const ACACIA_TRAPDOOR = -145;
+	public const SPRUCE_BUTTON = -144;
+	public const JUNGLE_BUTTON = -143;
+	public const DARK_OAK_BUTTON = -142;
+	public const BIRCH_BUTTON = -141;
+	public const ACACIA_BUTTON = -140;
+	public const DRIED_KELP_BLOCK = -139;
+	public const ITEM_KELP = -138;
+	public const CORAL_FAN_HANG3 = -137;
+	public const CORAL_FAN_HANG2 = -136;
+	public const CORAL_FAN_HANG = -135;
+	public const CORAL_FAN_DEAD = -134;
+	public const CORAL_FAN = -133;
+	public const CORAL_BLOCK = -132;
+	public const CORAL = -131;
+	public const SEAGRASS = -130;
+	public const ELEMENT_118 = -129;
+	public const ELEMENT_117 = -128;
+	public const ELEMENT_116 = -127;
+	public const ELEMENT_115 = -126;
+	public const ELEMENT_114 = -125;
+	public const ELEMENT_113 = -124;
+	public const ELEMENT_112 = -123;
+	public const ELEMENT_111 = -122;
+	public const ELEMENT_110 = -121;
+	public const ELEMENT_109 = -120;
+	public const ELEMENT_108 = -119;
+	public const ELEMENT_107 = -118;
+	public const ELEMENT_106 = -117;
+	public const ELEMENT_105 = -116;
+	public const ELEMENT_104 = -115;
+	public const ELEMENT_103 = -114;
+	public const ELEMENT_102 = -113;
+	public const ELEMENT_101 = -112;
+	public const ELEMENT_100 = -111;
+	public const ELEMENT_99 = -110;
+	public const ELEMENT_98 = -109;
+	public const ELEMENT_97 = -108;
+	public const ELEMENT_96 = -107;
+	public const ELEMENT_95 = -106;
+	public const ELEMENT_94 = -105;
+	public const ELEMENT_93 = -104;
+	public const ELEMENT_92 = -103;
+	public const ELEMENT_91 = -102;
+	public const ELEMENT_90 = -101;
+	public const ELEMENT_89 = -100;
+	public const ELEMENT_88 = -99;
+	public const ELEMENT_87 = -98;
+	public const ELEMENT_86 = -97;
+	public const ELEMENT_85 = -96;
+	public const ELEMENT_84 = -95;
+	public const ELEMENT_83 = -94;
+	public const ELEMENT_82 = -93;
+	public const ELEMENT_81 = -92;
+	public const ELEMENT_80 = -91;
+	public const ELEMENT_79 = -90;
+	public const ELEMENT_78 = -89;
+	public const ELEMENT_77 = -88;
+	public const ELEMENT_76 = -87;
+	public const ELEMENT_75 = -86;
+	public const ELEMENT_74 = -85;
+	public const ELEMENT_73 = -84;
+	public const ELEMENT_72 = -83;
+	public const ELEMENT_71 = -82;
+	public const ELEMENT_70 = -81;
+	public const ELEMENT_69 = -80;
+	public const ELEMENT_68 = -79;
+	public const ELEMENT_67 = -78;
+	public const ELEMENT_66 = -77;
+	public const ELEMENT_65 = -76;
+	public const ELEMENT_64 = -75;
+	public const ELEMENT_63 = -74;
+	public const ELEMENT_62 = -73;
+	public const ELEMENT_61 = -72;
+	public const ELEMENT_60 = -71;
+	public const ELEMENT_59 = -70;
+	public const ELEMENT_58 = -69;
+	public const ELEMENT_57 = -68;
+	public const ELEMENT_56 = -67;
+	public const ELEMENT_55 = -66;
+	public const ELEMENT_54 = -65;
+	public const ELEMENT_53 = -64;
+	public const ELEMENT_52 = -63;
+	public const ELEMENT_51 = -62;
+	public const ELEMENT_50 = -61;
+	public const ELEMENT_49 = -60;
+	public const ELEMENT_48 = -59;
+	public const ELEMENT_47 = -58;
+	public const ELEMENT_46 = -57;
+	public const ELEMENT_45 = -56;
+	public const ELEMENT_44 = -55;
+	public const ELEMENT_43 = -54;
+	public const ELEMENT_42 = -53;
+	public const ELEMENT_41 = -52;
+	public const ELEMENT_40 = -51;
+	public const ELEMENT_39 = -50;
+	public const ELEMENT_38 = -49;
+	public const ELEMENT_37 = -48;
+	public const ELEMENT_36 = -47;
+	public const ELEMENT_35 = -46;
+	public const ELEMENT_34 = -45;
+	public const ELEMENT_33 = -44;
+	public const ELEMENT_32 = -43;
+	public const ELEMENT_31 = -42;
+	public const ELEMENT_30 = -41;
+	public const ELEMENT_29 = -40;
+	public const ELEMENT_28 = -39;
+	public const ELEMENT_27 = -38;
+	public const ELEMENT_26 = -37;
+	public const ELEMENT_25 = -36;
+	public const ELEMENT_24 = -35;
+	public const ELEMENT_23 = -34;
+	public const ELEMENT_22 = -33;
+	public const ELEMENT_21 = -32;
+	public const ELEMENT_20 = -31;
+	public const ELEMENT_19 = -30;
+	public const ELEMENT_18 = -29;
+	public const ELEMENT_17 = -28;
+	public const ELEMENT_16 = -27;
+	public const ELEMENT_15 = -26;
+	public const ELEMENT_14 = -25;
+	public const ELEMENT_13 = -24;
+	public const ELEMENT_12 = -23;
+	public const ELEMENT_11 = -22;
+	public const ELEMENT_10 = -21;
+	public const ELEMENT_9 = -20;
+	public const ELEMENT_8 = -19;
+	public const ELEMENT_7 = -18;
+	public const ELEMENT_6 = -17;
+	public const ELEMENT_5 = -16;
+	public const ELEMENT_4 = -15;
+	public const ELEMENT_3 = -14;
+	public const ELEMENT_2 = -13;
+	public const ELEMENT_1 = -12;
+	public const BLUE_ICE = -11;
+	public const STRIPPED_OAK_LOG = -10;
+	public const STRIPPED_DARK_OAK_LOG = -9;
+	public const STRIPPED_ACACIA_LOG = -8;
+	public const STRIPPED_JUNGLE_LOG = -7;
+	public const STRIPPED_BIRCH_LOG = -6;
+	public const STRIPPED_SPRUCE_LOG = -5;
+	public const PRISMARINE_BRICKS_STAIRS = -4;
+	public const DARK_PRISMARINE_STAIRS = -3;
+	public const PRISMARINE_STAIRS = -2;
+
+	public const STONE = 1;
+	public const GRASS = 2;
+	public const DIRT = 3;
+	public const COBBLESTONE = 4;
+	public const PLANKS = 5;
+	public const SAPLING = 6;
+	public const BEDROCK = 7;
+	public const FLOWING_WATER = 8;
+	public const WATER = 9;
+	public const FLOWING_LAVA = 10;
+	public const LAVA = 11;
+	public const SAND = 12;
+	public const GRAVEL = 13;
+	public const GOLD_ORE = 14;
+	public const IRON_ORE = 15;
+	public const COAL_ORE = 16;
+	public const LOG = 17;
+	public const LEAVES = 18;
+	public const SPONGE = 19;
+	public const GLASS = 20;
+	public const LAPIS_ORE = 21;
+	public const LAPIS_BLOCK = 22;
+	public const DISPENSER = 23;
+	public const SANDSTONE = 24;
+	public const NOTEBLOCK = 25;
+	public const ITEM_BED = 26;
+	public const GOLDEN_RAIL = 27;
+	public const DETECTOR_RAIL = 28;
+	public const STICKY_PISTON = 29;
+	public const WEB = 30;
+	public const TALLGRASS = 31;
+	public const DEADBUSH = 32;
+	public const PISTON = 33;
+	public const PISTONARMCOLLISION = 34;
+	public const WOOL = 35;
+	public const ELEMENT_0 = 36;
+	public const YELLOW_FLOWER = 37;
+	public const RED_FLOWER = 38;
+	public const BROWN_MUSHROOM = 39;
+	public const RED_MUSHROOM = 40;
+	public const GOLD_BLOCK = 41;
+	public const IRON_BLOCK = 42;
+	public const REAL_DOUBLE_STONE_SLAB = 43;
+	public const DOUBLE_STONE_SLAB = 44;
+	public const BRICK_BLOCK = 45;
+	public const TNT = 46;
+	public const BOOKSHELF = 47;
+	public const MOSSY_COBBLESTONE = 48;
+	public const OBSIDIAN = 49;
+	public const TORCH = 50;
+	public const FIRE = 51;
+	public const MOB_SPAWNER = 52;
+	public const OAK_STAIRS = 53;
+	public const CHEST = 54;
+	public const REDSTONE_WIRE = 55;
+	public const DIAMOND_ORE = 56;
+	public const DIAMOND_BLOCK = 57;
+	public const CRAFTING_TABLE = 58;
+	public const ITEM_WHEAT = 59;
+	public const FARMLAND = 60;
+	public const FURNACE = 61;
+	public const LIT_FURNACE = 62;
+	public const STANDING_SIGN = 63;
+	public const ITEM_WOODEN_DOOR = 64;
+	public const LADDER = 65;
+	public const RAIL = 66;
+	public const STONE_STAIRS = 67;
+	public const WALL_SIGN = 68;
+	public const LEVER = 69;
+	public const STONE_PRESSURE_PLATE = 70;
+	public const ITEM_IRON_DOOR = 71;
+	public const WOODEN_PRESSURE_PLATE = 72;
+	public const REDSTONE_ORE = 73;
+	public const LIT_REDSTONE_ORE = 74;
+	public const UNLIT_REDSTONE_TORCH = 75;
+	public const REDSTONE_TORCH = 76;
+	public const STONE_BUTTON = 77;
+	public const SNOW_LAYER = 78;
+	public const ICE = 79;
+	public const SNOW = 80;
+	public const CACTUS = 81;
+	public const CLAY = 82;
+	public const ITEM_REEDS = 83;
+	public const JUKEBOX = 84;
+	public const FENCE = 85;
+	public const PUMPKIN = 86;
+	public const NETHERRACK = 87;
+	public const SOUL_SAND = 88;
+	public const GLOWSTONE = 89;
+	public const PORTAL = 90;
+	public const LIT_PUMPKIN = 91;
+	public const ITEM_CAKE = 92;
+	public const UNPOWERED_REPEATER = 93;
+	public const POWERED_REPEATER = 94;
+	public const INVISIBLEBEDROCK = 95;
+	public const TRAPDOOR = 96;
+	public const MONSTER_EGG = 97;
+	public const STONEBRICK = 98;
+	public const BROWN_MUSHROOM_BLOCK = 99;
+	public const RED_MUSHROOM_BLOCK = 100;
+	public const IRON_BARS = 101;
+	public const GLASS_PANE = 102;
+	public const MELON_BLOCK = 103;
+	public const PUMPKIN_STEM = 104;
+	public const MELON_STEM = 105;
+	public const VINE = 106;
+	public const FENCE_GATE = 107;
+	public const BRICK_STAIRS = 108;
+	public const STONE_BRICK_STAIRS = 109;
+	public const MYCELIUM = 110;
+	public const WATERLILY = 111;
+	public const NETHER_BRICK = 112;
+	public const NETHER_BRICK_FENCE = 113;
+	public const NETHER_BRICK_STAIRS = 114;
+	public const ITEM_NETHER_WART = 115;
+	public const ENCHANTING_TABLE = 116;
+	public const BREWINGSTANDBLOCK = 117;
+	public const ITEM_CAULDRON = 118;
+	public const END_PORTAL = 119;
+	public const END_PORTAL_FRAME = 120;
+	public const END_STONE = 121;
+	public const DRAGON_EGG = 122;
+	public const REDSTONE_LAMP = 123;
+	public const LIT_REDSTONE_LAMP = 124;
+	public const DROPPER = 125;
+	public const ACTIVATOR_RAIL = 126;
+	public const COCOA = 127;
+	public const SANDSTONE_STAIRS = 128;
+	public const EMERALD_ORE = 129;
+	public const ENDER_CHEST = 130;
+	public const TRIPWIRE_HOOK = 131;
+	public const TRIPWIRE = 132;
+	public const EMERALD_BLOCK = 133;
+	public const SPRUCE_STAIRS = 134;
+	public const BIRCH_STAIRS = 135;
+	public const JUNGLE_STAIRS = 136;
+	public const COMMAND_BLOCK = 137;
+	public const BEACON = 138;
+	public const COBBLESTONE_WALL = 139;
+	public const ITEM_FLOWER_POT = 140;
+	public const CARROTS = 141;
+	public const POTATOES = 142;
+	public const WOODEN_BUTTON = 143;
+	public const ITEM_SKULL = 144;
+	public const ANVIL = 145;
+	public const TRAPPED_CHEST = 146;
+	public const LIGHT_WEIGHTED_PRESSURE_PLATE = 147;
+	public const HEAVY_WEIGHTED_PRESSURE_PLATE = 148;
+	public const UNPOWERED_COMPARATOR = 149;
+	public const POWERED_COMPARATOR = 150;
+	public const DAYLIGHT_DETECTOR = 151;
+	public const REDSTONE_BLOCK = 152;
+	public const QUARTZ_ORE = 153;
+	public const ITEM_HOPPER = 154;
+	public const QUARTZ_BLOCK = 155;
+	public const QUARTZ_STAIRS = 156;
+	public const DOUBLE_WOODEN_SLAB = 157;
+	public const WOODEN_SLAB = 158;
+	public const STAINED_HARDENED_CLAY = 159;
+	public const STAINED_GLASS_PANE = 160;
+	public const LEAVES2 = 161;
+	public const LOG2 = 162;
+	public const ACACIA_STAIRS = 163;
+	public const DARK_OAK_STAIRS = 164;
+	public const SLIME = 165;
+	public const GLOW_STICK = 166;
+	public const IRON_TRAPDOOR = 167;
+	public const PRISMARINE = 168;
+	public const SEALANTERN = 169;
+	public const HAY_BLOCK = 170;
+	public const CARPET = 171;
+	public const HARDENED_CLAY = 172;
+	public const COAL_BLOCK = 173;
+	public const PACKED_ICE = 174;
+	public const DOUBLE_PLANT = 175;
+	public const STANDING_BANNER = 176;
+	public const WALL_BANNER = 177;
+	public const DAYLIGHT_DETECTOR_INVERTED = 178;
+	public const RED_SANDSTONE = 179;
+	public const RED_SANDSTONE_STAIRS = 180;
+	public const REAL_DOUBLE_STONE_SLAB2 = 181;
+	public const DOUBLE_STONE_SLAB2 = 182;
+	public const SPRUCE_FENCE_GATE = 183;
+	public const BIRCH_FENCE_GATE = 184;
+	public const JUNGLE_FENCE_GATE = 185;
+	public const DARK_OAK_FENCE_GATE = 186;
+	public const ACACIA_FENCE_GATE = 187;
+	public const REPEATING_COMMAND_BLOCK = 188;
+	public const CHAIN_COMMAND_BLOCK = 189;
+	public const HARD_GLASS_PANE = 190;
+	public const HARD_STAINED_GLASS_PANE = 191;
+	public const CHEMICAL_HEAT = 192;
+	public const ITEM_SPRUCE_DOOR = 193;
+	public const ITEM_BIRCH_DOOR = 194;
+	public const ITEM_JUNGLE_DOOR = 195;
+	public const ITEM_ACACIA_DOOR = 196;
+	public const ITEM_DARK_OAK_DOOR = 197;
+	public const GRASS_PATH = 198;
+	public const ITEM_FRAME = 199;
+	public const CHORUS_FLOWER = 200;
+	public const PURPUR_BLOCK = 201;
+	public const COLORED_TORCH_RG = 202;
+	public const PURPUR_STAIRS = 203;
+	public const COLORED_TORCH_BP = 204;
+	public const UNDYED_SHULKER_BOX = 205;
+	public const END_BRICKS = 206;
+	public const FROSTED_ICE = 207;
+	public const END_ROD = 208;
+	public const END_GATEWAY = 209;
+
+	public const MAGMA = 213;
+	public const NETHER_WART_BLOCK = 214;
+	public const RED_NETHER_BRICK = 215;
+	public const BONE_BLOCK = 216;
+	public const STRUCTURE_VOID = 217;
+	public const SHULKER_BOX = 218;
+	public const PURPLE_GLAZED_TERRACOTTA = 219;
+	public const WHITE_GLAZED_TERRACOTTA = 220;
+	public const ORANGE_GLAZED_TERRACOTTA = 221;
+	public const MAGENTA_GLAZED_TERRACOTTA = 222;
+	public const LIGHT_BLUE_GLAZED_TERRACOTTA = 223;
+	public const YELLOW_GLAZED_TERRACOTTA = 224;
+	public const LIME_GLAZED_TERRACOTTA = 225;
+	public const PINK_GLAZED_TERRACOTTA = 226;
+	public const GRAY_GLAZED_TERRACOTTA = 227;
+	public const SILVER_GLAZED_TERRACOTTA = 228;
+	public const CYAN_GLAZED_TERRACOTTA = 229;
+
+	public const BLUE_GLAZED_TERRACOTTA = 231;
+	public const BROWN_GLAZED_TERRACOTTA = 232;
+	public const GREEN_GLAZED_TERRACOTTA = 233;
+	public const RED_GLAZED_TERRACOTTA = 234;
+	public const BLACK_GLAZED_TERRACOTTA = 235;
+	public const CONCRETE = 236;
+	public const CONCRETE_POWDER = 237;
+	public const CHEMISTRY_TABLE = 238;
+	public const UNDERWATER_TORCH = 239;
+	public const CHORUS_PLANT = 240;
+	public const STAINED_GLASS = 241;
+	public const ITEM_CAMERA = 242;
+	public const PODZOL = 243;
+	public const ITEM_BEETROOT = 244;
+	public const STONECUTTER = 245;
+	public const GLOWINGOBSIDIAN = 246;
+	public const NETHERREACTOR = 247;
+	public const INFO_UPDATE = 248;
+	public const INFO_UPDATE2 = 249;
+	public const MOVINGBLOCK = 250;
+	public const OBSERVER = 251;
+	public const STRUCTURE_BLOCK = 252;
+	public const HARD_GLASS = 253;
+	public const HARD_STAINED_GLASS = 254;
+	public const RESERVED6 = 255;
+	public const IRON_SHOVEL = 256;
+	public const IRON_PICKAXE = 257;
+	public const IRON_AXE = 258;
+	public const FLINT_AND_STEEL = 259;
+	public const APPLE = 260;
+	public const BOW = 261;
+	public const ARROW = 262;
+	public const COAL = 263;
+	public const DIAMOND = 264;
+	public const IRON_INGOT = 265;
+	public const GOLD_INGOT = 266;
+	public const IRON_SWORD = 267;
+	public const WOODEN_SWORD = 268;
+	public const WOODEN_SHOVEL = 269;
+	public const WOODEN_PICKAXE = 270;
+	public const WOODEN_AXE = 271;
+	public const STONE_SWORD = 272;
+	public const STONE_SHOVEL = 273;
+	public const STONE_PICKAXE = 274;
+	public const STONE_AXE = 275;
+	public const DIAMOND_SWORD = 276;
+	public const DIAMOND_SHOVEL = 277;
+	public const DIAMOND_PICKAXE = 278;
+	public const DIAMOND_AXE = 279;
+	public const STICK = 280;
+	public const BOWL = 281;
+	public const MUSHROOM_STEW = 282;
+	public const GOLDEN_SWORD = 283;
+	public const GOLDEN_SHOVEL = 284;
+	public const GOLDEN_PICKAXE = 285;
+	public const GOLDEN_AXE = 286;
+	public const STRING = 287;
+	public const FEATHER = 288;
+	public const GUNPOWDER = 289;
+	public const WOODEN_HOE = 290;
+	public const STONE_HOE = 291;
+	public const IRON_HOE = 292;
+	public const DIAMOND_HOE = 293;
+	public const GOLDEN_HOE = 294;
+	public const WHEAT_SEEDS = 295;
+	public const WHEAT = 296;
+	public const BREAD = 297;
+	public const LEATHER_HELMET = 298;
+	public const LEATHER_CHESTPLATE = 299;
+	public const LEATHER_LEGGINGS = 300;
+	public const LEATHER_BOOTS = 301;
+	public const CHAINMAIL_HELMET = 302;
+	public const CHAINMAIL_CHESTPLATE = 303;
+	public const CHAINMAIL_LEGGINGS = 304;
+	public const CHAINMAIL_BOOTS = 305;
+	public const IRON_HELMET = 306;
+	public const IRON_CHESTPLATE = 307;
+	public const IRON_LEGGINGS = 308;
+	public const IRON_BOOTS = 309;
+	public const DIAMOND_HELMET = 310;
+	public const DIAMOND_CHESTPLATE = 311;
+	public const DIAMOND_LEGGINGS = 312;
+	public const DIAMOND_BOOTS = 313;
+	public const GOLDEN_HELMET = 314;
+	public const GOLDEN_CHESTPLATE = 315;
+	public const GOLDEN_LEGGINGS = 316;
+	public const GOLDEN_BOOTS = 317;
+	public const FLINT = 318;
+	public const PORKCHOP = 319;
+	public const COOKED_PORKCHOP = 320;
+	public const PAINTING = 321;
+	public const GOLDEN_APPLE = 322;
+	public const SIGN = 323;
+	public const WOODEN_DOOR = 324;
+	public const BUCKET = 325;
+
+	public const MINECART = 328;
+	public const SADDLE = 329;
+	public const IRON_DOOR = 330;
+	public const REDSTONE = 331;
+	public const SNOWBALL = 332;
+	public const BOAT = 333;
+	public const LEATHER = 334;
+	public const KELP = 335;
+	public const BRICK = 336;
+	public const CLAY_BALL = 337;
+	public const REEDS = 338;
+	public const PAPER = 339;
+	public const BOOK = 340;
+	public const SLIME_BALL = 341;
+	public const CHEST_MINECART = 342;
+
+	public const EGG = 344;
+	public const COMPASS = 345;
+	public const FISHING_ROD = 346;
+	public const CLOCK = 347;
+	public const GLOWSTONE_DUST = 348;
+	public const FISH = 349;
+	public const COOKED_FISH = 350;
+	public const DYE = 351;
+	public const BONE = 352;
+	public const SUGAR = 353;
+	public const CAKE = 354;
+	public const BED = 355;
+	public const REPEATER = 356;
+	public const COOKIE = 357;
+	public const MAP = 358;
+	public const SHEARS = 359;
+	public const MELON = 360;
+	public const PUMPKIN_SEEDS = 361;
+	public const MELON_SEEDS = 362;
+	public const BEEF = 363;
+	public const COOKED_BEEF = 364;
+	public const CHICKEN = 365;
+	public const COOKED_CHICKEN = 366;
+	public const ROTTEN_FLESH = 367;
+	public const ENDER_PEARL = 368;
+	public const BLAZE_ROD = 369;
+	public const GHAST_TEAR = 370;
+	public const GOLD_NUGGET = 371;
+	public const NETHER_WART = 372;
+	public const POTION = 373;
+	public const GLASS_BOTTLE = 374;
+	public const SPIDER_EYE = 375;
+	public const FERMENTED_SPIDER_EYE = 376;
+	public const BLAZE_POWDER = 377;
+	public const MAGMA_CREAM = 378;
+	public const BREWING_STAND = 379;
+	public const CAULDRON = 380;
+	public const ENDER_EYE = 381;
+	public const SPECKLED_MELON = 382;
+	public const SPAWN_EGG = 383;
+	public const EXPERIENCE_BOTTLE = 384;
+	public const FIREBALL = 385;
+	public const WRITABLE_BOOK = 386;
+	public const WRITTEN_BOOK = 387;
+	public const EMERALD = 388;
+	public const FRAME = 389;
+	public const FLOWER_POT = 390;
+	public const CARROT = 391;
+	public const POTATO = 392;
+	public const BAKED_POTATO = 393;
+	public const POISONOUS_POTATO = 394;
+	public const EMPTYMAP = 395;
+	public const GOLDEN_CARROT = 396;
+	public const SKULL = 397;
+	public const CARROTONASTICK = 398;
+	public const NETHERSTAR = 399;
+	public const PUMPKIN_PIE = 400;
+	public const FIREWORKS = 401;
+	public const FIREWORKSCHARGE = 402;
+	public const ENCHANTED_BOOK = 403;
+	public const COMPARATOR = 404;
+	public const NETHERBRICK = 405;
+	public const QUARTZ = 406;
+	public const TNT_MINECART = 407;
+	public const HOPPER_MINECART = 408;
+	public const PRISMARINE_SHARD = 409;
+	public const HOPPER = 410;
+	public const RABBIT = 411;
+	public const COOKED_RABBIT = 412;
+	public const RABBIT_STEW = 413;
+	public const RABBIT_FOOT = 414;
+	public const RABBIT_HIDE = 415;
+	public const HORSEARMORLEATHER = 416;
+	public const HORSEARMORIRON = 417;
+	public const HORSEARMORGOLD = 418;
+	public const HORSEARMORDIAMOND = 419;
+	public const LEAD = 420;
+	public const NAME_TAG = 421;
+	public const PRISMARINE_CRYSTALS = 422;
+	public const MUTTONRAW = 423;
+	public const MUTTONCOOKED = 424;
+	public const ARMOR_STAND = 425;
+	public const END_CRYSTAL = 426;
+	public const SPRUCE_DOOR = 427;
+	public const BIRCH_DOOR = 428;
+	public const JUNGLE_DOOR = 429;
+	public const ACACIA_DOOR = 430;
+	public const DARK_OAK_DOOR = 431;
+	public const CHORUS_FRUIT = 432;
+	public const CHORUS_FRUIT_POPPED = 433;
+	public const BANNER_PATTERN = 434;
+
+	public const DRAGON_BREATH = 437;
+	public const SPLASH_POTION = 438;
+
+	public const LINGERING_POTION = 441;
+	public const SPARKLER = 442;
+	public const COMMAND_BLOCK_MINECART = 443;
+	public const ELYTRA = 444;
+	public const SHULKER_SHELL = 445;
+	public const BANNER = 446;
+	public const MEDICINE = 447;
+	public const BALLOON = 448;
+	public const RAPID_FERTILIZER = 449;
+	public const TOTEM = 450;
+	public const BLEACH = 451;
+	public const IRON_NUGGET = 452;
+	public const ICE_BOMB = 453;
+
+	public const TRIDENT = 455;
+
+	public const BEETROOT = 457;
+	public const BEETROOT_SEEDS = 458;
+	public const BEETROOT_SOUP = 459;
+	public const SALMON = 460;
+	public const CLOWNFISH = 461;
+	public const PUFFERFISH = 462;
+	public const COOKED_SALMON = 463;
+	public const DRIED_KELP = 464;
+	public const NAUTILUS_SHELL = 465;
+	public const APPLEENCHANTED = 466;
+	public const HEART_OF_THE_SEA = 467;
+	public const TURTLE_SHELL_PIECE = 468;
+	public const TURTLE_HELMET = 469;
+	public const PHANTOM_MEMBRANE = 470;
+	public const CROSSBOW = 471;
+	public const SPRUCE_SIGN = 472;
+	public const BIRCH_SIGN = 473;
+	public const JUNGLE_SIGN = 474;
+	public const ACACIA_SIGN = 475;
+	public const DARKOAK_SIGN = 476;
+	public const SWEET_BERRIES = 477;
+
+	public const CAMERA = 498;
+	public const COMPOUND = 499;
+	public const RECORD_13 = 500;
+	public const RECORD_CAT = 501;
+	public const RECORD_BLOCKS = 502;
+	public const RECORD_CHIRP = 503;
+	public const RECORD_FAR = 504;
+	public const RECORD_MALL = 505;
+	public const RECORD_MELLOHI = 506;
+	public const RECORD_STAL = 507;
+	public const RECORD_STRAD = 508;
+	public const RECORD_WARD = 509;
+	public const RECORD_11 = 510;
+	public const RECORD_WAIT = 511;
+
+	public const SHIELD = 513;
+
+	public const CAMPFIRE = 720;
+
+	public const SUSPICIOUS_STEW = 734;
+
+	public const HONEYCOMB = 736;
+	public const HONEY_BOTTLE = 737;
+}
diff --git a/src/network/mcpe/protocol/types/inventory/ItemStack.php b/src/network/mcpe/protocol/types/inventory/ItemStack.php
index 1a745a0cb..f43905a05 100644
--- a/src/network/mcpe/protocol/types/inventory/ItemStack.php
+++ b/src/network/mcpe/protocol/types/inventory/ItemStack.php
@@ -23,8 +23,8 @@ declare(strict_types=1);
 
 namespace pocketmine\network\mcpe\protocol\types\inventory;
 
-use pocketmine\item\ItemIds;
 use pocketmine\nbt\tag\CompoundTag;
+use pocketmine\network\mcpe\protocol\types\FixedItemIds;
 
 final class ItemStack{
 
@@ -48,7 +48,7 @@ final class ItemStack{
 	 * @param string[] $canDestroy
 	 */
 	public function __construct(int $id, int $meta, int $count, ?CompoundTag $nbt, array $canPlaceOn, array $canDestroy, ?int $shieldBlockingTick = null){
-		if(($shieldBlockingTick !== null) !== ($id === ItemIds::SHIELD)){
+		if(($shieldBlockingTick !== null) !== ($id === FixedItemIds::SHIELD)){
 			throw new \InvalidArgumentException("Blocking tick must only be provided for shield items");
 		}
 		$this->id = $id;