1.20.6

README.md

···
 # minecraft-stress-test
 
-Automate the stress testing of your 1.19.3 Minecraft server with bots.
+Automate the stress testing of your 1.20.6 Minecraft server with bots.
 This project will log offline-mode bots into the specified server which will
 fly around and explore the world.
 

src/main/java/com/github/puregero/minecraftstresstest/Bot.java

···
 import static java.lang.Thread.sleep;
 
 public class Bot extends ChannelInboundHandlerAdapter {
-    private static final int PROTOCOL_VERSION = Integer.parseInt(System.getProperty("bot.protocol.version", "765")); // 761 is 1.19.3 https://wiki.vg/Protocol_version_numbers
+    private static final int PROTOCOL_VERSION = Integer.parseInt(System.getProperty("bot.protocol.version", "766")); // 761 is 1.19.3 https://wiki.vg/Protocol_version_numbers
     private static final double CENTER_X = Double.parseDouble(System.getProperty("bot.x", "0"));
     private static final double CENTER_Z = Double.parseDouble(System.getProperty("bot.z", "0"));
     private static final boolean LOGS = Boolean.parseBoolean(System.getProperty("bot.logs", "true"));
···
         //System.out.println("changing to config mode");
 
         CompletableFuture.delayedExecutor(1000, TimeUnit.MILLISECONDS).execute(() -> {
-//            sendPacket(ctx, PacketIds.Serverbound.Play.CLIENT_INFORMATION, buffer -> {
-//                buffer.writeUtf("en_GB");
-//                buffer.writeByte(VIEW_DISTANCE);
-//                buffer.writeVarInt(0);
-//                buffer.writeBoolean(true);
-//                buffer.writeByte(0);
-//                buffer.writeVarInt(0);
-//                buffer.writeBoolean(false);
-//                buffer.writeBoolean(true);
-//            });
+            sendPacket(ctx, PacketIds.Serverbound.Configuration.CLIENT_INFORMATION, buffer -> {
+                buffer.writeUtf("en_GB");
+                buffer.writeByte(VIEW_DISTANCE);
+                buffer.writeVarInt(0);
+                buffer.writeBoolean(true);
+                buffer.writeByte(0);
+                buffer.writeVarInt(0);
+                buffer.writeBoolean(false);
+                buffer.writeBoolean(true);
+            });
+
+            sendPacket(ctx, PacketIds.Serverbound.Configuration.KNOWN_PACKS, buffer -> {
+                buffer.writeVarInt(0);
+            });
 
             CompletableFuture.delayedExecutor(1000, TimeUnit.MILLISECONDS).execute(() -> tick(ctx));
         });
···
     private void channelReadConfig(ChannelHandlerContext ctx, FriendlyByteBuf byteBuf) {
         int packetId = byteBuf.readVarInt();
 
-        if (packetId == 1) {
+        if (packetId == PacketIds.Clientbound.Configuration.DISCONNECT) {
             System.out.println(username + " (" + uuid + ") (config) was kicked due to " + byteBuf.readUtf());
             ctx.close();
 
-        } else if (packetId == 2) {
+        } else if (packetId == PacketIds.Clientbound.Configuration.FINISH_CONFIGURATION) {
             //System.out.println("changing to play mode");
 
-            sendPacket(ctx, 2, buffer -> {
+            sendPacket(ctx, PacketIds.Serverbound.Configuration.FINISH_CONFIGURATION, buffer -> {
             });
 
             configState = false;
             playState = true;
 
-        } else if (packetId == 3) {
+        } else if (packetId == PacketIds.Clientbound.Configuration.KEEP_ALIVE) {
             long id = byteBuf.readLong();
-            sendPacket(ctx, 3, buffer -> buffer.writeLong(id));
+            sendPacket(ctx, PacketIds.Serverbound.Configuration.KEEP_ALIVE, buffer -> buffer.writeLong(id));
             System.out.println(username + " (" + uuid + ") keep alive config mode");
 
-        } else if (packetId == 4) {
+        } else if (packetId == PacketIds.Clientbound.Configuration.PING) {
             int id = byteBuf.readInt();
-            sendPacket(ctx, 4, buffer -> buffer.writeInt(id));
+            sendPacket(ctx, PacketIds.Serverbound.Configuration.PONG, buffer -> buffer.writeInt(id));
             System.out.println(username + " (" + uuid + ") ping config mode");
 
         }

src/main/java/com/github/puregero/minecraftstresstest/PacketIds.java

···
                     SET_COMPRESSION = 0x03;
         }
 
+        public static final class Configuration {
+            private Configuration() {
+            }
+
+            public static final int
+                    DISCONNECT = 0x02,
+                    FINISH_CONFIGURATION = 0x03,
+                    KEEP_ALIVE = 0x04,
+                    PING = 0x05;
+        }
+
         public static final class Play {
             private Play() {
             }
 
             //client outbound
             public static final int
-                    DISCONNECT = 0x1B,  //ok +1
-                    KEEP_ALIVE = 0x24,  //ok +1
-                    PING = 0x33,  //ok +1
-                    SYNCHRONIZE_PLAYER_POSITION = 0x3E,  //ok +2
-                    RESOURCE_PACK = 0x43,  //ok +3
-                    SET_HEALTH = 0x5B;  //ok
+                    DISCONNECT = 0x1D,
+                    KEEP_ALIVE = 0x26,
+                    PING = 0x35,
+                    SYNCHRONIZE_PLAYER_POSITION = 0x40,
+                    RESOURCE_PACK = 0x46,
+                    SET_HEALTH = 0x5D;
         }
 
     }
···
 
             public static final int
                     LOGIN_START = 0x00,
-            LOGIN_ACKNOWLEDGED = 0x03;
+                    LOGIN_ACKNOWLEDGED = 0x03;
+        }
+
+        public static final class Configuration {
+            private Configuration() {
+            }
+
+            public static final int
+                    CLIENT_INFORMATION = 0x00,
+                    FINISH_CONFIGURATION = 0x03,
+                    KEEP_ALIVE = 0x04,
+                    PONG = 0x05,
+                    KNOWN_PACKS = 0x07;
         }
 
         public static final class Play {
             private Play() {
             }
 
-            //server outbound
             public static final int
-                    CONFIRM_TELEPORTATION = 0x00, //same
-                    CLIENT_RESPAWN = 0x08,  //....
-                    CLIENT_INFORMATION = 0x00, //ok
-                    KEEP_ALIVE = 0x15, //ok
-                    SET_PLAYER_POSITION_AND_ROTATION = 0x18, //ok
-                    PONG = 0x24,  //ok
-                    RESOURCE_PACK = 0x28; //ok
+                    CONFIRM_TELEPORTATION = 0x00,
+                    CLIENT_RESPAWN = 0x08,
+                    KEEP_ALIVE = 0x18,
+                    SET_PLAYER_POSITION_AND_ROTATION = 0x1B,
+                    PONG = 0x27,
+                    RESOURCE_PACK = 0x2B;
         }
 
     }