1.21.40

src/main/java/cn/nukkit/level/GlobalBlockPalette.java

@@ -57,6 +57,11 @@ private static boolean registerBlockState(CompoundTag state, boolean force) {
         int runtimeId = state.getInt("runtimeId");
         boolean stateOverload = state.getBoolean("stateOverload");
 
+        // DO NOT MERGE!
+        if (meta > 15) { // Not supported here
+            return true; // Not an overload
+        }
+
         if (stateOverload && !force) {
             return false;
         }

src/main/java/cn/nukkit/network/protocol/InventoryContentPacket.java

@@ -23,6 +23,8 @@ public byte pid() {
     public static final int SPECIAL_HOTBAR = 0x7a;
     public static final int SPECIAL_FIXED_INVENTORY = 0x7b;
 
+    private static final Item EMPTY_STORAGE_ITEM = Item.get(Item.AIR);
+
     public int inventoryId;
     public Item[] slots = new Item[0];
 
@@ -47,7 +49,7 @@ public void encode() {
         }
         this.putByte((byte) 0); // fullContainerName.id
         this.putBoolean(false); // fullContainerName.optional.present
-        this.putUnsignedVarInt(0); // dynamicContainerSize
+        this.putSlot(EMPTY_STORAGE_ITEM);
     }
 
     @Override

src/main/java/cn/nukkit/network/protocol/InventorySlotPacket.java

@@ -21,6 +21,8 @@ public byte pid() {
     public int slot;
     public Item item;
 
+    private static final Item EMPTY_STORAGE_ITEM = Item.get(Item.AIR);
+
     @Override
     public void decode() {
     }
@@ -32,7 +34,7 @@ public void encode() {
         this.putUnsignedVarInt(this.slot);
         this.putByte((byte) 0); // fullContainerName.id
         this.putBoolean(false); // fullContainerName.optional.present
-        this.putUnsignedVarInt(0); // dynamicContainerSize
+        this.putSlot(EMPTY_STORAGE_ITEM);
         this.putSlot(this.item);
     }
 }

src/main/java/cn/nukkit/network/protocol/MobEffectPacket.java

@@ -42,6 +42,6 @@ public void encode() {
         this.putVarInt(this.amplifier);
         this.putBoolean(this.particles);
         this.putVarInt(this.duration);
-        this.putLLong(this.tick);
+        this.putUnsignedVarLong(this.tick);
     }
 }

src/main/java/cn/nukkit/network/protocol/PlayerAuthInputPacket.java

@@ -22,18 +22,18 @@ public class PlayerAuthInputPacket extends DataPacket {
     private float headYaw;
     private Vector3f position;
     private Vector2 motion;
-    private Set<AuthInputAction> inputData = EnumSet.noneOf(AuthInputAction.class);
+    private final Set<AuthInputAction> inputData = EnumSet.noneOf(AuthInputAction.class);
     private InputMode inputMode;
     private ClientPlayMode playMode;
     private AuthInteractionModel interactionModel;
-    private Vector3f vrGazeDirection;
     private long tick;
     private Vector3f delta;
-    // private ItemStackRequest itemStackRequest;
-    private Map<PlayerActionType, PlayerBlockActionData> blockActionData = new EnumMap<>(PlayerActionType.class);
-    private Vector2 analogMoveVector;
+    private final Map<PlayerActionType, PlayerBlockActionData> blockActionData = new EnumMap<>(PlayerActionType.class);
     private long predictedVehicle;
+    private Vector2f analogMoveVector;
     private Vector2f vehicleRotation;
+    private Vector2f interactRotation;
+    private Vector3f cameraOrientation;
 
     @Override
     public byte pid() {
@@ -59,18 +59,11 @@ public void decode() {
         this.playMode = ClientPlayMode.fromOrdinal((int) this.getUnsignedVarInt());
         this.interactionModel = AuthInteractionModel.fromOrdinal((int) this.getUnsignedVarInt());
 
-        if (this.playMode == ClientPlayMode.REALITY) {
-            this.vrGazeDirection = this.getVector3f();
-        }
+        this.interactRotation = this.getVector2f();
 
         this.tick = this.getUnsignedVarLong();
         this.delta = this.getVector3f();
 
-        if (this.inputData.contains(AuthInputAction.PERFORM_ITEM_STACK_REQUEST)) {
-            // TODO: this.itemStackRequest = readItemStackRequest(buf, protocolVersion);
-            // We are safe to leave this for later, since it is only sent with ServerAuthInventories
-        }
-
         if (this.inputData.contains(AuthInputAction.PERFORM_BLOCK_ACTIONS)) {
             int arraySize = this.getVarInt();
             if (arraySize > 256) throw new IllegalArgumentException("PlayerAuthInputPacket PERFORM_BLOCK_ACTIONS is too long: " + arraySize);
@@ -91,11 +84,12 @@ public void decode() {
         }
 
         if (this.inputData.contains(AuthInputAction.IN_CLIENT_PREDICTED_IN_VEHICLE)) {
-            this.vehicleRotation = new Vector2f(this.getLFloat(), this.getLFloat());
+            this.vehicleRotation = this.getVector2f();
             this.predictedVehicle = this.getVarLong();
         }
 
-        this.analogMoveVector = new Vector2(this.getLFloat(), this.getLFloat());
+        this.analogMoveVector = this.getVector2f();
+        this.cameraOrientation = this.getVector3f();
     }
 
     @Override

src/main/java/cn/nukkit/network/protocol/ProtocolInfo.java

@@ -14,11 +14,11 @@ public interface ProtocolInfo {
      * Actual Minecraft: PE protocol version
      */
     @SuppressWarnings("UnnecessaryBoxing")
-    int CURRENT_PROTOCOL = Integer.valueOf("729"); // DO NOT REMOVE BOXING
+    int CURRENT_PROTOCOL = Integer.valueOf("748"); // DO NOT REMOVE BOXING
 
     List<Integer> SUPPORTED_PROTOCOLS = Ints.asList(CURRENT_PROTOCOL);
 
-    String MINECRAFT_VERSION_NETWORK = "1.21.30";
+    String MINECRAFT_VERSION_NETWORK = "1.21.40";
     String MINECRAFT_VERSION = 'v' + MINECRAFT_VERSION_NETWORK;
 
     byte BATCH_PACKET = (byte) 0xff;
@@ -237,4 +237,6 @@ public interface ProtocolInfo {
     byte __INTERNAL__SERVERBOUND_DIAGNOSTICS_PACKET = (byte) 215;
     byte __INTERNAL__CAMERA_AIM_ASSIST_PACKET = (byte) 216;
     byte __INTERNAL__CONTAINER_REGISTRY_CLEANUP_PACKET = (byte) 217;
+    byte __INTERNAL__MOVEMENT_EFFECT_PACKET = (byte) 218;
+    byte __INTERNAL__SET_MOVEMENT_AUTHORITY_PACKET = (byte) 219;
 }

src/main/java/cn/nukkit/network/protocol/ResourcePacksInfoPacket.java

@@ -1,11 +1,7 @@
 package cn.nukkit.network.protocol;
 
 import cn.nukkit.resourcepacks.ResourcePack;
-import it.unimi.dsi.fastutil.objects.ObjectArrayList;
 import lombok.ToString;
-import lombok.Value;
-
-import java.util.List;
 
 @ToString
 public class ResourcePacksInfoPacket extends DataPacket {
@@ -14,12 +10,9 @@ public class ResourcePacksInfoPacket extends DataPacket {
 
     public boolean mustAccept;
     public boolean scripting;
-    @Deprecated
-    public boolean forceServerPacks; // pre 1.21.30
     public boolean hasAddonPacks;
     public ResourcePack[] behaviourPackEntries = ResourcePack.EMPTY_ARRAY;
     public ResourcePack[] resourcePackEntries = ResourcePack.EMPTY_ARRAY;
-    public List<CDNEntry> CDNEntries = new ObjectArrayList<>();
 
     @Override
     public void decode() {
@@ -34,12 +27,6 @@ public void encode() {
         this.putBoolean(this.scripting);
 
         this.encodeResourcePacks(this.resourcePackEntries);
-
-        this.putUnsignedVarInt(this.CDNEntries.size());
-        this.CDNEntries.forEach((entry) -> {
-            this.putString(entry.getPackId());
-            this.putString(entry.getRemoteUrl());
-        });
     }
 
     private void encodeResourcePacks(ResourcePack[] packs) {
@@ -49,22 +36,17 @@ private void encodeResourcePacks(ResourcePack[] packs) {
             this.putString(entry.getPackVersion());
             this.putLLong(entry.getPackSize());
             this.putString(entry.getEncryptionKey());
-            this.putString(""); // sub-pack name
+            this.putString(entry.getSubPackName());
             this.putString(!entry.getEncryptionKey().isEmpty() ? entry.getPackId().toString() : "");
-            this.putBoolean(false); // scripting
-            this.putBoolean(false); // isAddonPack
-            this.putBoolean(false); // raytracing capable
+            this.putBoolean(entry.usesScripting());
+            this.putBoolean(entry.isAddonPack());
+            this.putBoolean(entry.isRaytracingCapable());
+            this.putString(entry.getCDNUrl());
         }
     }
 
     @Override
     public byte pid() {
         return NETWORK_ID;
     }
-
-    @Value
-    public static class CDNEntry {
-        String packId;
-        String remoteUrl;
-    }
 }

src/main/java/cn/nukkit/network/protocol/types/AuthInputAction.java

@@ -101,7 +101,27 @@ public enum AuthInputAction {
     /**
      * @since v729
      */
-    DOWN_RIGHT;
+    DOWN_RIGHT,
+    /**
+     * @since v748
+     */
+    START_USING_ITEM,
+    /**
+     * @since v748
+     */
+    IS_CAMERA_RELATIVE_MOVEMENT_ENABLED,
+    /**
+     * @since v748
+     */
+    IS_ROT_CONTROLLED_BY_MOVE_DIRECTION,
+    /**
+     * @since v748
+     */
+    START_SPIN_ATTACK,
+    /**
+     * @since v748
+     */
+    STOP_SPIN_ATTACK;
 
     private static final AuthInputAction[] VALUES = values();
 

src/main/java/cn/nukkit/resourcepacks/ResourcePack.java

@@ -22,4 +22,24 @@ public interface ResourcePack {
     default String getEncryptionKey() {
         return "";
     }
+
+    default String getSubPackName() {
+        return "";
+    }
+
+    default boolean usesScripting() {
+        return false;
+    }
+
+    default boolean isAddonPack() {
+        return false;
+    }
+
+    default boolean isRaytracingCapable() {
+        return false;
+    }
+
+    default String getCDNUrl() {
+        return "";
+    }
 }

src/main/java/cn/nukkit/utils/BinaryStream.java

@@ -11,6 +11,7 @@
 import cn.nukkit.level.GlobalBlockPalette;
 import cn.nukkit.math.BlockFace;
 import cn.nukkit.math.BlockVector3;
+import cn.nukkit.math.Vector2f;
 import cn.nukkit.math.Vector3f;
 import cn.nukkit.nbt.NBTIO;
 import cn.nukkit.nbt.tag.CompoundTag;
@@ -725,7 +726,7 @@ public void putBlockVector3(int x, int y, int z) {
     }
 
     public Vector3f getVector3f() {
-        return new Vector3f(this.getLFloat(4), this.getLFloat(4), this.getLFloat(4));
+        return new Vector3f(this.getLFloat(), this.getLFloat(), this.getLFloat());
     }
 
     public void putVector3f(Vector3f v) {
@@ -738,6 +739,10 @@ public void putVector3f(float x, float y, float z) {
         this.putLFloat(z);
     }
 
+    public Vector2f getVector2f() {
+        return new Vector2f(this.getLFloat(), this.getLFloat());
+    }
+
     public void putGameRules(GameRules gameRules) {
         Map<GameRule, GameRules.Value> rules = gameRules.getGameRules();
         this.putUnsignedVarInt(rules.size());