Minecraft 1.21.4 (#1457)

api/src/main/java/com/velocitypowered/api/network/ProtocolVersion.java

@@ -88,7 +88,8 @@ public enum ProtocolVersion implements Ordered<ProtocolVersion> {
   MINECRAFT_1_20_3(765, "1.20.3", "1.20.4"),
   MINECRAFT_1_20_5(766, "1.20.5", "1.20.6"),
   MINECRAFT_1_21(767, "1.21", "1.21.1"),
-  MINECRAFT_1_21_2(768, "1.21.2", "1.21.3");
+  MINECRAFT_1_21_2(768, "1.21.2", "1.21.3"),
+  MINECRAFT_1_21_4(769, "1.21.4");
 
   private static final int SNAPSHOT_BIT = 30;
 

proxy/src/main/java/com/velocitypowered/proxy/protocol/StateRegistry.java

@@ -38,6 +38,7 @@ import static com.velocitypowered.api.network.ProtocolVersion.MINECRAFT_1_20_3;
 import static com.velocitypowered.api.network.ProtocolVersion.MINECRAFT_1_20_5;
 import static com.velocitypowered.api.network.ProtocolVersion.MINECRAFT_1_21;
 import static com.velocitypowered.api.network.ProtocolVersion.MINECRAFT_1_21_2;
+import static com.velocitypowered.api.network.ProtocolVersion.MINECRAFT_1_21_4;
 import static com.velocitypowered.api.network.ProtocolVersion.MINECRAFT_1_7_2;
 import static com.velocitypowered.api.network.ProtocolVersion.MINECRAFT_1_8;
 import static com.velocitypowered.api.network.ProtocolVersion.MINECRAFT_1_9;
@@ -358,7 +359,8 @@ public enum StateRegistry {
           map(0x27, MINECRAFT_1_20_2, false),
           map(0x28, MINECRAFT_1_20_3, false),
           map(0x2B, MINECRAFT_1_20_5, false),
-          map(0x2D, MINECRAFT_1_21_2, false));
+          map(0x2D, MINECRAFT_1_21_2, false),
+          map(0x2F, MINECRAFT_1_21_4, false));
       serverbound.register(
           FinishedUpdatePacket.class, () -> FinishedUpdatePacket.INSTANCE,
           map(0x0B, MINECRAFT_1_20_2, false),

proxy/src/main/java/com/velocitypowered/proxy/protocol/packet/UpsertPlayerInfoPacket.java

@@ -193,6 +193,11 @@ public class UpsertPlayerInfoPacket implements MinecraftPacket {
       info.listOrder = ProtocolUtils.readVarInt(buf);
     }, (version, buf, info) -> { // write
       ProtocolUtils.writeVarInt(buf, info.listOrder);
+    }),
+    UPDATE_HAT((version, buf, info) -> { // read
+      info.showHat = buf.readBoolean();
+    }, (version, buf, info) -> { // write
+      buf.writeBoolean(info.showHat);
     });
 
     private final Read read;
@@ -223,6 +228,7 @@ public class UpsertPlayerInfoPacket implements MinecraftPacket {
     private int gameMode;
     @Nullable
     private ComponentHolder displayName;
+    private boolean showHat;
     private int listOrder;
     @Nullable
     private RemoteChatSession chatSession;
@@ -256,6 +262,10 @@ public class UpsertPlayerInfoPacket implements MinecraftPacket {
       return displayName;
     }
 
+    public boolean isShowHat() {
+      return showHat;
+    }
+
     public int getListOrder() {
       return listOrder;
     }
@@ -285,6 +295,10 @@ public class UpsertPlayerInfoPacket implements MinecraftPacket {
       this.displayName = displayName;
     }
 
+    public void setShowHat(boolean showHat) {
+      this.showHat = showHat;
+    }
+
     public void setListOrder(int listOrder) {
       this.listOrder = listOrder;
     }