Minecraft 1.15 (backport from 1.1.0)

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

@@ -31,7 +31,8 @@ public enum ProtocolVersion {
   MINECRAFT_1_14_1(480, "1.14.1"),
   MINECRAFT_1_14_2(485, "1.14.2"),
   MINECRAFT_1_14_3(490, "1.14.3"),
-  MINECRAFT_1_14_4(498, "1.14.4");
+  MINECRAFT_1_14_4(498, "1.14.4"),
+  MINECRAFT_1_15(573, "1.15");
 
   private final int protocol;
   private final String name;

proxy/src/main/java/com/velocitypowered/proxy/connection/client/ClientPlaySessionHandler.java

@@ -336,11 +336,11 @@ public class ClientPlaySessionHandler implements MinecraftSessionHandler {
       player.getMinecraftConnection().delayedWrite(joinGame);
       int tempDim = joinGame.getDimension() == 0 ? -1 : 0;
       player.getMinecraftConnection().delayedWrite(
-          new Respawn(tempDim, joinGame.getDifficulty(), joinGame.getGamemode(),
+          new Respawn(tempDim, joinGame.getPartialHashedSeed(), joinGame.getDifficulty(),
-              joinGame.getLevelType()));
+              joinGame.getGamemode(), joinGame.getLevelType()));
       player.getMinecraftConnection().delayedWrite(
-          new Respawn(joinGame.getDimension(), joinGame.getDifficulty(), joinGame.getGamemode(),
+          new Respawn(joinGame.getDimension(), joinGame.getPartialHashedSeed(),
-              joinGame.getLevelType()));
+              joinGame.getDifficulty(), joinGame.getGamemode(), joinGame.getLevelType()));
     }
 
     // Remove previous boss bars. These don't get cleared when sending JoinGame, thus the need to

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

@@ -5,6 +5,7 @@ import static com.velocitypowered.api.network.ProtocolVersion.MINECRAFT_1_12;
 import static com.velocitypowered.api.network.ProtocolVersion.MINECRAFT_1_12_1;
 import static com.velocitypowered.api.network.ProtocolVersion.MINECRAFT_1_13;
 import static com.velocitypowered.api.network.ProtocolVersion.MINECRAFT_1_14;
+import static com.velocitypowered.api.network.ProtocolVersion.MINECRAFT_1_15;
 import static com.velocitypowered.api.network.ProtocolVersion.MINECRAFT_1_8;
 import static com.velocitypowered.api.network.ProtocolVersion.MINECRAFT_1_9;
 import static com.velocitypowered.api.network.ProtocolVersion.MINECRAFT_1_9_4;
@@ -121,51 +122,61 @@ public enum StateRegistry {
           map(0x1F, MINECRAFT_1_14, false));
 
       clientbound.register(BossBar.class, BossBar::new,
-          map(0x0C, MINECRAFT_1_9, false));
+          map(0x0C, MINECRAFT_1_9, false),
+          map(0x0D, MINECRAFT_1_15, false));
       clientbound.register(Chat.class, Chat::new,
           map(0x02, MINECRAFT_1_8, true),
           map(0x0F, MINECRAFT_1_9, true),
-          map(0x0E, MINECRAFT_1_13, true));
+          map(0x0E, MINECRAFT_1_13, true),
+          map(0x0F, MINECRAFT_1_15, true));
       clientbound.register(TabCompleteResponse.class, TabCompleteResponse::new,
           map(0x3A, MINECRAFT_1_8, false),
           map(0x0E, MINECRAFT_1_9, false),
-          map(0x10, MINECRAFT_1_13, false));
+          map(0x10, MINECRAFT_1_13, false),
+          map(0x11, MINECRAFT_1_15, false));
       clientbound.register(AvailableCommands.class, AvailableCommands::new,
-          map(0x11, MINECRAFT_1_13, false));
+          map(0x11, MINECRAFT_1_13, false),
+          map(0x12, MINECRAFT_1_15, false));
       clientbound.register(PluginMessage.class, PluginMessage::new,
           map(0x3F, MINECRAFT_1_8, false),
           map(0x18, MINECRAFT_1_9, false),
           map(0x19, MINECRAFT_1_13, false),
-          map(0x18, MINECRAFT_1_14, false));
+          map(0x18, MINECRAFT_1_14, false),
+          map(0x19, MINECRAFT_1_15, false));
       clientbound.register(Disconnect.class, Disconnect::new,
           map(0x40, MINECRAFT_1_8, false),
           map(0x1A, MINECRAFT_1_9, false),
           map(0x1B, MINECRAFT_1_13, false),
-          map(0x1A, MINECRAFT_1_14, false));
+          map(0x1A, MINECRAFT_1_14, false),
+          map(0x1B, MINECRAFT_1_15, false));
       clientbound.register(KeepAlive.class, KeepAlive::new,
           map(0x00, MINECRAFT_1_8, false),
           map(0x1F, MINECRAFT_1_9, false),
           map(0x21, MINECRAFT_1_13, false),
-          map(0x20, MINECRAFT_1_14, false));
+          map(0x20, MINECRAFT_1_14, false),
+          map(0x21, MINECRAFT_1_15, false));
       clientbound.register(JoinGame.class, JoinGame::new,
           map(0x01, MINECRAFT_1_8, false),
           map(0x23, MINECRAFT_1_9, false),
           map(0x25, MINECRAFT_1_13, false),
-          map(0x25, MINECRAFT_1_14, false));
+          map(0x25, MINECRAFT_1_14, false),
+          map(0x26, MINECRAFT_1_15, false));
       clientbound.register(Respawn.class, Respawn::new,
           map(0x07, MINECRAFT_1_8, true),
           map(0x33, MINECRAFT_1_9, true),
           map(0x34, MINECRAFT_1_12, true),
           map(0x35, MINECRAFT_1_12_1, true),
           map(0x38, MINECRAFT_1_13, true),
-          map(0x3A, MINECRAFT_1_14, true));
+          map(0x3A, MINECRAFT_1_14, true),
+          map(0x3B, MINECRAFT_1_15, true));
       clientbound.register(ResourcePackRequest.class, ResourcePackRequest::new,
           map(0x48, MINECRAFT_1_8, true),
           map(0x32, MINECRAFT_1_9, true),
           map(0x33, MINECRAFT_1_12, true),
           map(0x34, MINECRAFT_1_12_1, true),
           map(0x37, MINECRAFT_1_13, true),
-          map(0x39, MINECRAFT_1_14, true));
+          map(0x39, MINECRAFT_1_14, true),
+          map(0x3A, MINECRAFT_1_15, true));
       clientbound.register(HeaderAndFooter.class, HeaderAndFooter::new,
           map(0x47, MINECRAFT_1_8, true),
           map(0x48, MINECRAFT_1_9, true),
@@ -173,20 +184,23 @@ public enum StateRegistry {
           map(0x49, MINECRAFT_1_12, true),
           map(0x4A, MINECRAFT_1_12_1, true),
           map(0x4E, MINECRAFT_1_13, true),
-          map(0x53, MINECRAFT_1_14, true));
+          map(0x53, MINECRAFT_1_14, true),
+          map(0x54, MINECRAFT_1_15, true));
       clientbound.register(TitlePacket.class, TitlePacket::new,
           map(0x45, MINECRAFT_1_8, true),
           map(0x45, MINECRAFT_1_9, true),
           map(0x47, MINECRAFT_1_12, true),
           map(0x48, MINECRAFT_1_12_1, true),
           map(0x4B, MINECRAFT_1_13, true),
-          map(0x4F, MINECRAFT_1_14, true));
+          map(0x4F, MINECRAFT_1_14, true),
+          map(0x50, MINECRAFT_1_15, true));
       clientbound.register(PlayerListItem.class, PlayerListItem::new,
           map(0x38, MINECRAFT_1_8, false),
           map(0x2D, MINECRAFT_1_9, false),
           map(0x2E, MINECRAFT_1_12_1, false),
           map(0x30, MINECRAFT_1_13, false),
-          map(0x33, MINECRAFT_1_14, false));
+          map(0x33, MINECRAFT_1_14, false),
+          map(0x34, MINECRAFT_1_15, false));
     }
   },
   LOGIN {

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

@@ -12,11 +12,13 @@ public class JoinGame implements MinecraftPacket {
   private int entityId;
   private short gamemode;
   private int dimension;
+  private long partialHashedSeed; // 1.15+
   private short difficulty;
   private short maxPlayers;
   private @Nullable String levelType;
   private int viewDistance; //1.14+
   private boolean reducedDebugInfo;
+  private boolean mystery;
 
   public int getEntityId() {
     return entityId;
@@ -42,6 +44,10 @@ public class JoinGame implements MinecraftPacket {
     this.dimension = dimension;
   }
 
+  public long getPartialHashedSeed() {
+    return partialHashedSeed;
+  }
+
   public short getDifficulty() {
     return difficulty;
   }
@@ -91,6 +97,7 @@ public class JoinGame implements MinecraftPacket {
         + "entityId=" + entityId
         + ", gamemode=" + gamemode
         + ", dimension=" + dimension
+        + ", partialHashedSeed=" + partialHashedSeed
         + ", difficulty=" + difficulty
         + ", maxPlayers=" + maxPlayers
         + ", levelType='" + levelType + '\''
@@ -111,12 +118,18 @@ public class JoinGame implements MinecraftPacket {
     if (version.compareTo(ProtocolVersion.MINECRAFT_1_13_2) <= 0) {
       this.difficulty = buf.readUnsignedByte();
     }
+    if (version.compareTo(ProtocolVersion.MINECRAFT_1_15) >= 0) {
+      this.partialHashedSeed = buf.readLong();
+    }
     this.maxPlayers = buf.readUnsignedByte();
     this.levelType = ProtocolUtils.readString(buf, 16);
     if (version.compareTo(ProtocolVersion.MINECRAFT_1_14) >= 0) {
       this.viewDistance = ProtocolUtils.readVarInt(buf);
     }
     this.reducedDebugInfo = buf.readBoolean();
+    if (version.compareTo(ProtocolVersion.MINECRAFT_1_15) >= 0) {
+      this.mystery = buf.readBoolean();
+    }
   }
 
   @Override
@@ -131,6 +144,9 @@ public class JoinGame implements MinecraftPacket {
     if (version.compareTo(ProtocolVersion.MINECRAFT_1_13_2) <= 0) {
       buf.writeByte(difficulty);
     }
+    if (version.compareTo(ProtocolVersion.MINECRAFT_1_15) >= 0) {
+      buf.writeLong(partialHashedSeed);
+    }
     buf.writeByte(maxPlayers);
     if (levelType == null) {
       throw new IllegalStateException("No level type specified.");
@@ -140,6 +156,9 @@ public class JoinGame implements MinecraftPacket {
       ProtocolUtils.writeVarInt(buf,viewDistance);
     }
     buf.writeBoolean(reducedDebugInfo);
+    if (version.compareTo(ProtocolVersion.MINECRAFT_1_15) >= 0) {
+      buf.writeBoolean(mystery);
+    }
   }
 
   @Override

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

@@ -9,6 +9,7 @@ import io.netty.buffer.ByteBuf;
 public class Respawn implements MinecraftPacket {
 
   private int dimension;
+  private long partialHashedSeed;
   private short difficulty;
   private short gamemode;
   private String levelType = "";
@@ -16,8 +17,10 @@ public class Respawn implements MinecraftPacket {
   public Respawn() {
   }
 
-  public Respawn(int dimension, short difficulty, short gamemode, String levelType) {
+  public Respawn(int dimension, long partialHashedSeed, short difficulty, short gamemode,
+      String levelType) {
     this.dimension = dimension;
+    this.partialHashedSeed = partialHashedSeed;
     this.difficulty = difficulty;
     this.gamemode = gamemode;
     this.levelType = levelType;
@@ -31,6 +34,14 @@ public class Respawn implements MinecraftPacket {
     this.dimension = dimension;
   }
 
+  public long getPartialHashedSeed() {
+    return partialHashedSeed;
+  }
+
+  public void setPartialHashedSeed(long partialHashedSeed) {
+    this.partialHashedSeed = partialHashedSeed;
+  }
+
   public short getDifficulty() {
     return difficulty;
   }
@@ -59,6 +70,7 @@ public class Respawn implements MinecraftPacket {
   public String toString() {
     return "Respawn{"
         + "dimension=" + dimension
+        + ", partialHashedSeed=" + partialHashedSeed
         + ", difficulty=" + difficulty
         + ", gamemode=" + gamemode
         + ", levelType='" + levelType + '\''
@@ -71,6 +83,9 @@ public class Respawn implements MinecraftPacket {
     if (version.compareTo(ProtocolVersion.MINECRAFT_1_13_2) <= 0) {
       this.difficulty = buf.readUnsignedByte();
     }
+    if (version.compareTo(ProtocolVersion.MINECRAFT_1_15) >= 0) {
+      this.partialHashedSeed = buf.readLong();
+    }
     this.gamemode = buf.readUnsignedByte();
     this.levelType = ProtocolUtils.readString(buf, 16);
   }
@@ -81,6 +96,9 @@ public class Respawn implements MinecraftPacket {
     if (version.compareTo(ProtocolVersion.MINECRAFT_1_13_2) <= 0) {
       buf.writeByte(difficulty);
     }
+    if (version.compareTo(ProtocolVersion.MINECRAFT_1_15) >= 0) {
+      buf.writeLong(partialHashedSeed);
+    }
     buf.writeByte(gamemode);
     ProtocolUtils.writeString(buf, levelType);
   }