1.20.5 & Velocity b379+ support (#149)

* Initial 1.20.5-rc1 support

* Small cleanup

* Unsigned command packet support

* Generate mappings for 1.20.5-rc3 instead of 1.20.5-rc1

* Remove 1.20.5 mappings generation workaround

.github/workflows/build.yml

@@ -18,7 +18,7 @@ jobs:
         uses: actions/setup-java@v3.0.0
         with:
           distribution: adopt
-          java-version: 17
+          java-version: 21
       - name: Build LimboAPI
         run: ./gradlew build
       - name: Upload LimboAPI

api/src/main/java/net/elytrium/limboapi/api/LimboFactory.java

@@ -26,6 +26,7 @@
 import net.elytrium.limboapi.api.material.Item;
 import net.elytrium.limboapi.api.material.VirtualItem;
 import net.elytrium.limboapi.api.protocol.PreparedPacket;
+import net.elytrium.limboapi.api.protocol.item.ItemComponentMap;
 import net.elytrium.limboapi.api.protocol.packets.PacketFactory;
 import net.kyori.adventure.nbt.CompoundBinaryTag;
 
@@ -237,6 +238,13 @@ public interface LimboFactory {
    */
   VirtualItem getLegacyItem(int itemLegacyID);
 
+  /**
+   * Creates new item component map.
+   *
+   * @return new item component map
+   */
+  ItemComponentMap createItemComponentMap();
+
   VirtualBlockEntity getBlockEntity(String entityID);
 
   /**

api/src/main/java/net/elytrium/limboapi/api/material/WorldVersion.java

@@ -26,7 +26,8 @@ public enum WorldVersion {
   MINECRAFT_1_19_3(ProtocolVersion.MINECRAFT_1_19_3),
   MINECRAFT_1_19_4(EnumSet.range(ProtocolVersion.MINECRAFT_1_19_4, ProtocolVersion.MINECRAFT_1_20)),
   MINECRAFT_1_20(EnumSet.range(ProtocolVersion.MINECRAFT_1_20, ProtocolVersion.MINECRAFT_1_20_2)),
-  MINECRAFT_1_20_3(EnumSet.range(ProtocolVersion.MINECRAFT_1_20_3, ProtocolVersion.MAXIMUM_VERSION));
+  MINECRAFT_1_20_3(ProtocolVersion.MINECRAFT_1_20_3),
+  MINECRAFT_1_20_5(EnumSet.range(ProtocolVersion.MINECRAFT_1_20_5, ProtocolVersion.MAXIMUM_VERSION));
 
   private static final EnumMap<ProtocolVersion, WorldVersion> MC_VERSION_TO_ITEM_VERSIONS = new EnumMap<>(ProtocolVersion.class);
 
@@ -70,6 +71,7 @@ public static WorldVersion parse(String from) {
       case "1.19.4" -> MINECRAFT_1_19_4;
       case "1.20" -> MINECRAFT_1_20;
       case "1.20.3" -> MINECRAFT_1_20_3;
+      case "1.20.5" -> MINECRAFT_1_20_5;
       default -> LEGACY;
     };
   }

api/src/main/java/net/elytrium/limboapi/api/player/LimboPlayer.java

@@ -13,6 +13,7 @@
 import java.util.concurrent.ScheduledExecutorService;
 import net.elytrium.limboapi.api.Limbo;
 import net.elytrium.limboapi.api.material.VirtualItem;
+import net.elytrium.limboapi.api.protocol.item.ItemComponentMap;
 import net.kyori.adventure.nbt.CompoundBinaryTag;
 
 public interface LimboPlayer {
@@ -43,6 +44,8 @@ public interface LimboPlayer {
 
   void setInventory(int slot, VirtualItem item, int count, int data, CompoundBinaryTag nbt);
 
+  void setInventory(int slot, VirtualItem item, int count, int data, ItemComponentMap map);
+
   void setGameMode(GameMode gameMode);
 
   void teleport(double posX, double posY, double posZ, float yaw, float pitch);

api/src/main/java/net/elytrium/limboapi/api/protocol/item/ItemComponent.java

@@ -0,0 +1,17 @@
+/*
+ * Copyright (C) 2021 - 2024 Elytrium
+ *
+ * The LimboAPI (excluding the LimboAPI plugin) is licensed under the terms of the MIT License. For more details,
+ * reference the LICENSE file in the api top-level directory.
+ */
+
+package net.elytrium.limboapi.api.protocol.item;
+
+public interface ItemComponent<T> {
+
+  String getName();
+
+  ItemComponent<T> setValue(T value);
+
+  T getValue();
+}

api/src/main/java/net/elytrium/limboapi/api/protocol/item/ItemComponentMap.java

@@ -0,0 +1,26 @@
+/*
+ * Copyright (C) 2021 - 2024 Elytrium
+ *
+ * The LimboAPI (excluding the LimboAPI plugin) is licensed under the terms of the MIT License. For more details,
+ * reference the LICENSE file in the api top-level directory.
+ */
+
+package net.elytrium.limboapi.api.protocol.item;
+
+import com.velocitypowered.api.network.ProtocolVersion;
+import java.util.List;
+
+public interface ItemComponentMap {
+
+  <T> ItemComponentMap add(ProtocolVersion version, String name, T value);
+
+  ItemComponentMap remove(ProtocolVersion version, String name);
+
+  List<ItemComponent> getAdded();
+
+  List<ItemComponent> getRemoved();
+
+  void read(ProtocolVersion version, Object buffer);
+
+  void write(ProtocolVersion version, Object buffer);
+}

api/src/main/java/net/elytrium/limboapi/api/protocol/packets/PacketFactory.java

@@ -14,6 +14,7 @@
 import net.elytrium.limboapi.api.chunk.data.ChunkSnapshot;
 import net.elytrium.limboapi.api.material.VirtualItem;
 import net.elytrium.limboapi.api.material.WorldVersion;
+import net.elytrium.limboapi.api.protocol.item.ItemComponentMap;
 import net.elytrium.limboapi.api.protocol.packets.data.AbilityFlags;
 import net.elytrium.limboapi.api.protocol.packets.data.MapData;
 import net.kyori.adventure.nbt.CompoundBinaryTag;
@@ -48,6 +49,8 @@ Object createPositionRotationPacket(double posX, double posY, double posZ, float
 
   Object createSetSlotPacket(int windowID, int slot, VirtualItem item, int count, int data, @Nullable CompoundBinaryTag nbt);
 
+  Object createSetSlotPacket(int windowID, int slot, VirtualItem item, int count, int data, @Nullable ItemComponentMap map);
+
   Object createTimeUpdatePacket(long worldAge, long timeOfDay);
 
   Object createUpdateViewPositionPacket(int posX, int posZ);

build.gradle

@@ -4,7 +4,7 @@ plugins() {
   id("java")
 
   id("checkstyle")
-  id("com.github.spotbugs").version("5.0.14").apply(false)
+  id("com.github.spotbugs").version("6.0.12").apply(false)
   id("org.cadixdev.licenser").version("0.6.1").apply(false)
 }
 

config/spotbugs/suppressions.xml

@@ -13,4 +13,7 @@
     <Match>
         <Bug pattern="THROWS_METHOD_THROWS_CLAUSE_THROWABLE"/>
     </Match>
+    <Match>
+        <Bug pattern="CT_CONSTRUCTOR_THROW"/>
+    </Match>
 </FindBugsFilter>

plugin/build.gradle

@@ -126,7 +126,8 @@ enum MinecraftVersion {
   MINECRAFT_1_19_4(762),
   MINECRAFT_1_20(763),
   MINECRAFT_1_20_2(764),
-  MINECRAFT_1_20_3(765)
+  MINECRAFT_1_20_3(765),
+  MINECRAFT_1_20_5(766)
 
   public static final List<MinecraftVersion> WORLD_VERSIONS = List.of(
     MINECRAFT_1_13,
@@ -140,7 +141,12 @@ enum MinecraftVersion {
     MINECRAFT_1_19_3,
     MINECRAFT_1_19_4,
     MINECRAFT_1_20,
-    MINECRAFT_1_20_3
+    MINECRAFT_1_20_3,
+    MINECRAFT_1_20_5
+  )
+
+  public static final List<MinecraftVersion> COMPONENT_VERSIONS = List.of(
+    MINECRAFT_1_20_5
   )
 
   public static final MinecraftVersion MINIMUM_VERSION = MINECRAFT_1_7_2
@@ -213,7 +219,7 @@ File downloadVersionManifest(String version) {
   this.println("> Downloading ${version} manifest...")
 
   Object manifest = new JsonSlurper().parse(versionManifestFile)
-  def optional = manifest.versions.stream().filter({it.id == version}).findFirst()
+  def optional = manifest.versions.stream().filter({ it.id == version }).findFirst()
   if (optional.empty()) {
     throw new RuntimeException("Couldn't find version: ${version}")
   }
@@ -529,7 +535,13 @@ void generateRegistryMapping(String target, File targetDir, Map<MinecraftVersion
 
     Map<String, Map<String, String>> mapping = new JsonSlurper()
             .parse(new File(this.getProjectDir(), "mapping/legacy_${target}s_mapping.json"))
-            .collectEntries({ key, value -> [modernIDs[key], value] })
+            .collectEntries({ key, value -> {
+              if (modernIDs[key] == null) {
+                throw new IllegalStateException("No modern id found for $key")
+              }
+
+              return [modernIDs[key], value]
+            } })
 
     idMap.forEach({ version, ids ->
       ids.forEach({ key, id ->
@@ -551,6 +563,8 @@ void generateRegistryMappings(File targetDir, Map<MinecraftVersion, Object> regi
   this.generateRegistryMapping("item", targetDir, registriesReports
           .findAll({ e -> MinecraftVersion.WORLD_VERSIONS.contains(e.getKey()) }))
   this.generateRegistryMapping("block", targetDir, registriesReports)
+  this.generateRegistryMapping("data_component_type", targetDir, registriesReports
+          .findAll({ e -> MinecraftVersion.COMPONENT_VERSIONS.contains(e.getKey()) }))
 
   File blockEntitiesMappingFile = new File(targetDir, "blockentities_mapping.json");
 

plugin/mapping/fallbackdata.json

@@ -1,4 +1,8 @@
 {
+  "MINECRAFT_1_20_3": {
+    "minecraft:vault": "minecraft:spawner",
+    "minecraft:heavy_core": "minecraft:wither_skeleton_skull"
+  },
   "MINECRAFT_1_20_2": {
     "minecraft:short_grass": "minecraft:grass",
     "minecraft:trial_spawner": "minecraft:spawner",

plugin/mapping/legacy_data_component_types_mapping.json

@@ -0,0 +1 @@
+{}

plugin/mapping/legacy_items_mapping.json

@@ -2837,7 +2837,7 @@
     "1.13": "229",
     "1.13.2": "229"
   },
-  "minecraft:scute": {
+  "minecraft:turtle_scute": {
     "1.13": "466",
     "1.13.2": "471"
   },

plugin/src/main/java/net/elytrium/limboapi/LimboAPI.java

@@ -78,6 +78,7 @@
 import net.elytrium.limboapi.api.material.Item;
 import net.elytrium.limboapi.api.material.VirtualItem;
 import net.elytrium.limboapi.api.protocol.PreparedPacket;
+import net.elytrium.limboapi.api.protocol.item.ItemComponentMap;
 import net.elytrium.limboapi.api.protocol.packets.PacketFactory;
 import net.elytrium.limboapi.file.WorldFileTypeRegistry;
 import net.elytrium.limboapi.injection.disconnect.DisconnectListener;
@@ -95,6 +96,8 @@
 import net.elytrium.limboapi.protocol.packets.PacketFactoryImpl;
 import net.elytrium.limboapi.server.CachedPackets;
 import net.elytrium.limboapi.server.LimboImpl;
+import net.elytrium.limboapi.server.item.SimpleItemComponentManager;
+import net.elytrium.limboapi.server.item.SimpleItemComponentMap;
 import net.elytrium.limboapi.server.world.SimpleBlock;
 import net.elytrium.limboapi.server.world.SimpleBlockEntity;
 import net.elytrium.limboapi.server.world.SimpleItem;
@@ -122,7 +125,7 @@
 @SuppressFBWarnings("MS_EXPOSE_REP")
 public class LimboAPI implements LimboFactory {
 
-  private static final int SUPPORTED_MAXIMUM_PROTOCOL_VERSION_NUMBER = 765;
+  private static final int SUPPORTED_MAXIMUM_PROTOCOL_VERSION_NUMBER = 766;
 
   @MonotonicNonNull
   private static Logger LOGGER;
@@ -135,6 +138,7 @@ public class LimboAPI implements LimboFactory {
   private final Set<Player> players;
   private final CachedPackets packets;
   private final PacketFactory packetFactory;
+  private final SimpleItemComponentManager itemComponentManager = new SimpleItemComponentManager();
   private final HashMap<Player, LoginTasksQueue> loginQueue;
   private final HashMap<Player, Function<KickedFromServerEvent, Boolean>> kickCallback;
   private final HashMap<Player, RegisteredServer> nextServer;
@@ -510,6 +514,11 @@ public VirtualItem getLegacyItem(int itemLegacyID) {
     return SimpleItem.fromLegacyID(itemLegacyID);
   }
 
+  @Override
+  public ItemComponentMap createItemComponentMap() {
+    return new SimpleItemComponentMap(this.itemComponentManager);
+  }
+
   @Override
   public VirtualBlockEntity getBlockEntity(String entityID) {
     return SimpleBlockEntity.fromModernID(entityID);

plugin/src/main/java/net/elytrium/limboapi/Settings.java

@@ -79,7 +79,7 @@ public static class MAIN {
         "1_7_2, 1_7_6, 1_8, 1_9, 1_9_1, 1_9_2, 1_9_4, 1_10, 1_11, 1_11_1, 1_12, 1_12_1, 1_12_2,",
         "1_13, 1_13_1, 1_13_2, 1_14, 1_14_1, 1_14_2, 1_14_3, 1_14_4, 1_15, 1_15_1, 1_15_2,",
         "1_16, 1_16_1, 1_16_2, 1_16_3, 1_16_4, 1_17, 1_17_1, 1_18, 1_18_2, 1_19, 1_19_1, 1_19_3,",
-        "1_20, 1_20_2, 1_20_3, LATEST"
+        "1_20, 1_20_2, 1_20_3, 1_20_5, LATEST"
     })
     public String PREPARE_MIN_VERSION = "1_7_2";
     public String PREPARE_MAX_VERSION = "LATEST";