Include UserConnection in StoredObject

Handle Blocking
Handle BossBars, Holograms

src/main/java/us/myles/ViaVersion2/api/data/StoredObject.java

@@ -1,4 +1,9 @@
 package us.myles.ViaVersion2.api.data;
 
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+@Getter
+@AllArgsConstructor
 public class StoredObject {
+    private UserConnection user;
 }

src/main/java/us/myles/ViaVersion2/api/item/Item.java

@@ -1,14 +1,24 @@
 package us.myles.ViaVersion2.api.item;
 
+import lombok.AllArgsConstructor;
 import lombok.Getter;
+import lombok.NoArgsConstructor;
 import lombok.Setter;
+import org.bukkit.inventory.ItemStack;
 import org.spacehq.opennbt.tag.builtin.CompoundTag;
 
 @Getter
 @Setter
+@NoArgsConstructor
+@AllArgsConstructor
 public class Item {
     private short id;
     private byte amount;
     private short data;
     private CompoundTag tag;
+
+    public static Item getItem(ItemStack stack) {
+        if(stack == null) return null;
+        return new Item((short) stack.getTypeId(), (byte) stack.getAmount(), stack.getDurability(), null);
+    }
 }

src/main/java/us/myles/ViaVersion2/api/protocol/ProtocolPipeline.java

@@ -30,7 +30,7 @@ public class ProtocolPipeline extends Protocol {
     public void init(UserConnection userConnection) {
         this.userConnection = userConnection;
 
-        ProtocolInfo protocolInfo = new ProtocolInfo();
+        ProtocolInfo protocolInfo = new ProtocolInfo(userConnection);
         protocolInfo.setPipeline(this);
 
         userConnection.put(protocolInfo);

src/main/java/us/myles/ViaVersion2/api/protocol/base/ProtocolInfo.java

@@ -4,6 +4,7 @@ import lombok.Getter;
 import lombok.Setter;
 import us.myles.ViaVersion.packets.State;
 import us.myles.ViaVersion2.api.data.StoredObject;
+import us.myles.ViaVersion2.api.data.UserConnection;
 import us.myles.ViaVersion2.api.protocol.ProtocolPipeline;
 
 import java.util.UUID;
@@ -16,4 +17,8 @@ public class ProtocolInfo extends StoredObject{
     private String username;
     private UUID uuid;
     private ProtocolPipeline pipeline;
+
+    public ProtocolInfo(UserConnection user) {
+        super(user);
+    }
 }

src/main/java/us/myles/ViaVersion2/api/protocol1_9to1_8/Protocol1_9TO1_8.java

@@ -1,11 +1,15 @@
 package us.myles.ViaVersion2.api.protocol1_9to1_8;
 
+import org.bukkit.Bukkit;
+import org.bukkit.inventory.ItemStack;
 import org.json.simple.JSONObject;
 import org.json.simple.parser.JSONParser;
+import us.myles.ViaVersion.api.ViaVersion;
 import us.myles.ViaVersion2.api.PacketWrapper;
 import us.myles.ViaVersion2.api.data.UserConnection;
 import us.myles.ViaVersion2.api.metadata.Metadata;
 import us.myles.ViaVersion2.api.protocol.Protocol;
+import us.myles.ViaVersion2.api.protocol.base.ProtocolInfo;
 import us.myles.ViaVersion2.api.protocol1_9to1_8.packets.*;
 import us.myles.ViaVersion2.api.protocol1_9to1_8.storage.ClientChunks;
 import us.myles.ViaVersion2.api.protocol1_9to1_8.storage.EntityTracker;
@@ -16,6 +20,9 @@ import us.myles.ViaVersion2.api.remapper.ValueTransformer;
 import us.myles.ViaVersion2.api.type.Type;
 
 import java.util.List;
+import java.util.UUID;
+import java.util.concurrent.Callable;
+import java.util.concurrent.TimeUnit;
 
 public class Protocol1_9TO1_8 extends Protocol {
     public static Type<List<Metadata>> METADATA_LIST = new MetadataListType();
@@ -59,10 +66,31 @@ public class Protocol1_9TO1_8 extends Protocol {
     @Override
     public void init(UserConnection userConnection) {
         // Entity tracker
-        userConnection.put(new EntityTracker());
+        userConnection.put(new EntityTracker(userConnection));
         // Chunk tracker
-        userConnection.put(new ClientChunks());
+        userConnection.put(new ClientChunks(userConnection));
         // Movement tracker
-        userConnection.put(new MovementTracker());
+        userConnection.put(new MovementTracker(userConnection));
+    }
+
+
+    public static ItemStack getHandItem(final UserConnection info) {
+        try {
+            return Bukkit.getScheduler().callSyncMethod(Bukkit.getPluginManager().getPlugin("ViaVersion"), new Callable<ItemStack>() {
+                @Override
+                public ItemStack call() throws Exception {
+                    UUID playerUUID = info.get(ProtocolInfo.class).getUuid();
+                    if (Bukkit.getPlayer(playerUUID) != null) {
+                        return Bukkit.getPlayer(playerUUID).getItemInHand();
+                    }
+                    return null;
+                }
+            }).get(10, TimeUnit.SECONDS);
+        } catch (Exception e) {
+            System.out.println("Error fetching hand item: " + e.getClass().getName());
+            if (ViaVersion.getInstance().isDebug())
+                e.printStackTrace();
+            return null;
+        }
     }
 }

src/main/java/us/myles/ViaVersion2/api/protocol1_9to1_8/metadata/MetadataRewriter.java

@@ -47,7 +47,7 @@ public class MetadataRewriter {
                                 int newIndex = MetaIndex.PLAYER_HAND.getNewIndex();
                                 int typeID = MetaIndex.PLAYER_HAND.getNewType().getTypeID();
                                 Metadata metadata = new Metadata(newIndex, typeID, us.myles.ViaVersion2.api.type.Type.BYTE, val);
-//                                list.add(metadata);
+                                list.add(metadata);
                             }
                             break;
                         case OptUUID:

src/main/java/us/myles/ViaVersion2/api/protocol1_9to1_8/packets/EntityPackets.java

@@ -1,5 +1,6 @@
 package us.myles.ViaVersion2.api.protocol1_9to1_8.packets;
 
+import org.bukkit.Material;
 import us.myles.ViaVersion.ViaVersionPlugin;
 import us.myles.ViaVersion.api.ViaVersion;
 import us.myles.ViaVersion.packets.State;
@@ -171,9 +172,7 @@ public class EntityPackets {
                     }
                 });
                 map(Type.ITEM); // 2 - Item
-
-                // TODO - Blocking patch
-
+                // Item Rewriter
                 handler(new PacketHandler() {
                     @Override
                     public void handle(PacketWrapper wrapper) throws Exception {
@@ -181,6 +180,23 @@ public class EntityPackets {
                         ItemRewriter.toClient(stack);
                     }
                 });
+                // Blocking
+                handler(new PacketHandler() {
+                    @Override
+                    public void handle(PacketWrapper wrapper) throws Exception {
+                        EntityTracker entityTracker = wrapper.user().get(EntityTracker.class);
+                        int entityID = wrapper.get(Type.VAR_INT, 0);
+                        Item stack = wrapper.get(Type.ITEM, 0);
+
+                        if(stack != null){
+                            if(Material.getMaterial(stack.getId()).name().endsWith("SWORD")){
+                                entityTracker.getValidBlocking().add(entityID);
+                                return;
+                            }
+                        }
+                        entityTracker.getValidBlocking().remove(entityID);
+                    }
+                });
             }
         });
         // Entity Metadata Packet
@@ -203,6 +219,17 @@ public class EntityPackets {
                         }
                     }
                 });
+
+                // Handler for meta data
+                handler(new PacketHandler() {
+                    @Override
+                    public void handle(PacketWrapper wrapper) throws Exception {
+                        List<Metadata> metadataList = wrapper.get(Protocol1_9TO1_8.METADATA_LIST, 0);
+                        int entityID = wrapper.get(Type.VAR_INT, 0);
+                        EntityTracker tracker = wrapper.user().get(EntityTracker.class);
+                        tracker.handleMetadata(entityID, metadataList);
+                    }
+                });
             }
         });
 
@@ -216,7 +243,6 @@ public class EntityPackets {
                 map(Type.BYTE); // 2 - Amplifier
                 map(Type.VAR_INT); // 3 - Duration
                 map(Type.BOOLEAN, Type.BYTE);  // 4 - Hide particles
-                // TODO: Test particles as conversion might not work
             }
         });
 

src/main/java/us/myles/ViaVersion2/api/protocol1_9to1_8/packets/InventoryPackets.java

@@ -6,6 +6,7 @@ import us.myles.ViaVersion2.api.item.Item;
 import us.myles.ViaVersion2.api.protocol.Protocol;
 import us.myles.ViaVersion2.api.protocol1_9to1_8.ItemRewriter;
 import us.myles.ViaVersion2.api.protocol1_9to1_8.Protocol1_9TO1_8;
+import us.myles.ViaVersion2.api.protocol1_9to1_8.storage.EntityTracker;
 import us.myles.ViaVersion2.api.remapper.PacketHandler;
 import us.myles.ViaVersion2.api.remapper.PacketRemapper;
 import us.myles.ViaVersion2.api.remapper.ValueCreator;
@@ -164,14 +165,18 @@ public class InventoryPackets {
         protocol.registerIncoming(State.PLAY, 0x0F, 0x05); // Confirm Transaction Packet
         protocol.registerIncoming(State.PLAY, 0x11, 0x06); // Enchant Item Packet
 
-        // TODO Held Item change blocking patch
         protocol.registerIncoming(State.PLAY, 0x09, 0x17, new PacketRemapper() {
             @Override
             public void registerMap() {
+                // Blocking patch
                 handler(new PacketHandler() {
                     @Override
                     public void handle(PacketWrapper wrapper) throws Exception {
-                        System.out.println("held item");
+                        EntityTracker entityTracker = wrapper.user().get(EntityTracker.class);
+                        if (entityTracker.isBlocking()) {
+                            entityTracker.setBlocking(false);
+                            entityTracker.setSecondHand(wrapper.user(), null);
+                        }
                     }
                 });
             }

src/main/java/us/myles/ViaVersion2/api/protocol1_9to1_8/packets/PlayerPackets.java

@@ -1,10 +1,12 @@
 package us.myles.ViaVersion2.api.protocol1_9to1_8.packets;
 
+import org.bukkit.Material;
 import org.bukkit.entity.EntityType;
 import us.myles.ViaVersion.ViaVersionPlugin;
 import us.myles.ViaVersion.api.ViaVersion;
 import us.myles.ViaVersion.packets.State;
 import us.myles.ViaVersion2.api.PacketWrapper;
+import us.myles.ViaVersion2.api.item.Item;
 import us.myles.ViaVersion2.api.protocol.Protocol;
 import us.myles.ViaVersion2.api.protocol1_9to1_8.PlayerMovementMapper;
 import us.myles.ViaVersion2.api.protocol1_9to1_8.Protocol1_9TO1_8;
@@ -307,6 +309,7 @@ public class PlayerPackets {
                 handler(new PacketHandler() {
                     @Override
                     public void handle(PacketWrapper wrapper) throws Exception {
+                        int hand = wrapper.read(Type.VAR_INT);
                         // Wipe the input buffer
                         wrapper.clearInputBuffer();
                         // First set this packet ID to Block placement
@@ -314,7 +317,23 @@ public class PlayerPackets {
                         wrapper.write(Type.LONG, -1L);
                         wrapper.write(Type.BYTE, (byte) 255);
                         // Write item in hand
-                        wrapper.write(Type.SHORT, (short) -1); // TODO
+                        Item item = Item.getItem(Protocol1_9TO1_8.getHandItem(wrapper.user()));
+                        // Blocking patch
+                        if (item != null) {
+                            if (Material.getMaterial(item.getId()).name().endsWith("SWORD")) {
+                                if (hand == 0) {
+                                    EntityTracker tracker = wrapper.user().get(EntityTracker.class);
+                                    if (!tracker.isBlocking()) {
+                                        tracker.setBlocking(true);
+                                        Item shield = new Item((short) 442, (byte) 1, (short) 0, null);
+                                        tracker.setSecondHand(wrapper.user(), shield);
+                                    }
+                                    wrapper.cancel();
+                                }
+
+                            }
+                        }
+                        wrapper.write(Type.ITEM, item);
 
                         wrapper.write(Type.BYTE, (byte) 0);
                         wrapper.write(Type.BYTE, (byte) 0);

src/main/java/us/myles/ViaVersion2/api/protocol1_9to1_8/packets/SpawnPackets.java

@@ -170,7 +170,6 @@ public class SpawnPackets {
                 map(Type.SHORT); // 11 - Velocity Z
 
                 map(Protocol1_9TO1_8.METADATA_LIST);
-                // TODO: Metadata detector for bossbars, wither stuff.
                 handler(new PacketHandler() {
                     @Override
                     public void handle(PacketWrapper wrapper) throws Exception {
@@ -184,6 +183,16 @@ public class SpawnPackets {
                         }
                     }
                 });
+                // Handler for meta data
+                handler(new PacketHandler() {
+                    @Override
+                    public void handle(PacketWrapper wrapper) throws Exception {
+                        List<Metadata> metadataList = wrapper.get(Protocol1_9TO1_8.METADATA_LIST, 0);
+                        int entityID = wrapper.get(Type.VAR_INT, 0);
+                        EntityTracker tracker = wrapper.user().get(EntityTracker.class);
+                        tracker.handleMetadata(entityID, metadataList);
+                    }
+                });
             }
         });
 
@@ -250,6 +259,17 @@ public class SpawnPackets {
                         }
                     }
                 });
+
+                // Handler for meta data
+                handler(new PacketHandler() {
+                    @Override
+                    public void handle(PacketWrapper wrapper) throws Exception {
+                        List<Metadata> metadataList = wrapper.get(Protocol1_9TO1_8.METADATA_LIST, 0);
+                        int entityID = wrapper.get(Type.VAR_INT, 0);
+                        EntityTracker tracker = wrapper.user().get(EntityTracker.class);
+                        tracker.handleMetadata(entityID, metadataList);
+                    }
+                });
             }
         });
 

src/main/java/us/myles/ViaVersion2/api/protocol1_9to1_8/packets/WorldPackets.java

@@ -6,9 +6,11 @@ import us.myles.ViaVersion2.api.PacketWrapper;
 import us.myles.ViaVersion2.api.protocol.Protocol;
 import us.myles.ViaVersion2.api.protocol1_9to1_8.Protocol1_9TO1_8;
 import us.myles.ViaVersion2.api.protocol1_9to1_8.storage.ClientChunks;
+import us.myles.ViaVersion2.api.protocol1_9to1_8.storage.EntityTracker;
 import us.myles.ViaVersion2.api.protocol1_9to1_8.types.ChunkType;
 import us.myles.ViaVersion2.api.remapper.PacketHandler;
 import us.myles.ViaVersion2.api.remapper.PacketRemapper;
+import us.myles.ViaVersion2.api.remapper.ValueCreator;
 import us.myles.ViaVersion2.api.type.Type;
 
 public class WorldPackets {
@@ -125,7 +127,20 @@ public class WorldPackets {
                             wrapper.cancel();
                     }
                 });
-                // TODO: Blocking patch stopped if blocking and 5
+                // Blocking
+                handler(new PacketHandler() {
+                    @Override
+                    public void handle(PacketWrapper wrapper) throws Exception {
+                        int status = wrapper.get(Type.UNSIGNED_BYTE, 0);
+                        if (status == 5) {
+                            EntityTracker entityTracker = wrapper.user().get(EntityTracker.class);
+                            if(entityTracker.isBlocking()){
+                                entityTracker.setBlocking(false);
+                                entityTracker.setSecondHand(wrapper.user(), null);
+                            }
+                        }
+                    }
+                });
             }
         });
 
@@ -136,7 +151,13 @@ public class WorldPackets {
                 map(Type.POSITION); // 0 - Position
                 map(Type.VAR_INT, Type.BYTE); // 1 - Block Face
                 map(Type.VAR_INT, Type.NOTHING); // 2 - Hand
-                // TODO: Insert hand item here
+                // TODO: Actual hand item
+                create(new ValueCreator() {
+                    @Override
+                    public void write(PacketWrapper wrapper) throws Exception {
+                        wrapper.write(Type.SHORT, (short) -1);
+                    }
+                });
                 // Did have item rewriter but its not needed
                 map(Type.UNSIGNED_BYTE); // 4 - X
                 map(Type.UNSIGNED_BYTE); // 5 - Y

src/main/java/us/myles/ViaVersion2/api/protocol1_9to1_8/storage/ClientChunks.java

@@ -6,6 +6,7 @@ import lombok.Getter;
 import org.bukkit.Bukkit;
 import us.myles.ViaVersion.util.ReflectionUtil;
 import us.myles.ViaVersion2.api.data.StoredObject;
+import us.myles.ViaVersion2.api.data.UserConnection;
 
 import java.util.List;
 import java.util.Set;
@@ -28,6 +29,10 @@ public class ClientChunks extends StoredObject {
         }
     }
 
+    public ClientChunks(UserConnection user) {
+        super(user);
+    }
+
     public List<Object> transformMapChunkBulk(Object packet) {
         List<Object> list = Lists.newArrayList();
         try {

src/main/java/us/myles/ViaVersion2/api/protocol1_9to1_8/storage/EntityTracker.java

@@ -1,24 +1,46 @@
 package us.myles.ViaVersion2.api.protocol1_9to1_8.storage;
 
+import io.netty.buffer.ByteBuf;
 import lombok.Getter;
 import lombok.Setter;
+import org.bukkit.Bukkit;
 import org.bukkit.entity.EntityType;
+import org.bukkit.entity.Player;
+import us.myles.ViaVersion.ViaVersionPlugin;
+import us.myles.ViaVersion.api.ViaVersion;
 import us.myles.ViaVersion.api.boss.BossBar;
+import us.myles.ViaVersion.api.boss.BossColor;
+import us.myles.ViaVersion.api.boss.BossStyle;
+import us.myles.ViaVersion.metadata.NewType;
+import us.myles.ViaVersion.util.PacketUtil;
+import us.myles.ViaVersion2.api.PacketWrapper;
 import us.myles.ViaVersion2.api.data.StoredObject;
+import us.myles.ViaVersion2.api.data.UserConnection;
+import us.myles.ViaVersion2.api.item.Item;
+import us.myles.ViaVersion2.api.metadata.Metadata;
+import us.myles.ViaVersion2.api.protocol.base.ProtocolInfo;
+import us.myles.ViaVersion2.api.type.Type;
 
 import java.util.*;
 
 @Getter
-public class EntityTracker extends StoredObject{
+public class EntityTracker extends StoredObject {
     private final Map<Integer, UUID> uuidMap = new HashMap<>();
     private final Map<Integer, EntityType> clientEntityTypes = new HashMap<>();
     private final Map<Integer, Integer> vehicleMap = new HashMap<>();
     private final Map<Integer, BossBar> bossBarMap = new HashMap<>();
     private final Set<Integer> validBlocking = new HashSet<>();
     private final Set<Integer> knownHolograms = new HashSet<>();
+    @Getter
+    @Setter
+    private boolean blocking = false;
     @Setter
     private int entityID;
 
+    public EntityTracker(UserConnection user) {
+        super(user);
+    }
+
     public UUID getEntityUUID(int id) {
         if (uuidMap.containsKey(id)) {
             return uuidMap.get(id);
@@ -29,6 +51,18 @@ public class EntityTracker extends StoredObject{
         }
     }
 
+    public void setSecondHand(UserConnection connection, Item item) {
+        PacketWrapper wrapper = new PacketWrapper(0x3C, null, connection);
+        wrapper.write(Type.VAR_INT, entityID);
+        wrapper.write(Type.VAR_INT, 1); // slot
+        wrapper.write(Type.ITEM, item);
+        try {
+            wrapper.send();
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+
     public void removeEntity(Integer entityID) {
         clientEntityTypes.remove(entityID);
         vehicleMap.remove(entityID);
@@ -41,4 +75,95 @@ public class EntityTracker extends StoredObject{
             bar.hide();
         }
     }
+
+    public void handleMetadata(int entityID, List<Metadata> metadataList) {
+        if (!clientEntityTypes.containsKey(entityID)) return;
+
+        EntityType type = clientEntityTypes.get(entityID);
+        for (Metadata metadata : new ArrayList<>(metadataList)) {
+            // Fix: wither (crash fix)
+            if (type == EntityType.WITHER) {
+                if (metadata.getId() == 10) {
+                    metadataList.remove(metadata);
+                    //metadataList.add(new Metadata(10, NewType.Byte.getTypeID(), Type.BYTE, 0));
+                }
+            }
+            // Fix: enderdragon (crash fix)
+            if (type == EntityType.ENDER_DRAGON) {
+                if (metadata.getId() == 11) {
+                    metadataList.remove(metadata);
+                 //   metadataList.add(new Metadata(11, NewType.Byte.getTypeID(), Type.VAR_INT, 0));
+                }
+            }
+
+            if (type == EntityType.PLAYER) {
+                if (metadata.getId() == 0) {
+                    // Byte
+                    byte data = (byte) metadata.getValue();
+                    if (entityID != getEntityID() && ((ViaVersionPlugin) ViaVersion.getInstance()).isShieldBlocking()) {
+                        if ((data & 0x10) == 0x10) {
+                            if (validBlocking.contains(entityID)) {
+                                Item shield = new Item((short) 442, (byte) 1, (short) 0, null);
+                                setSecondHand(getUser(), shield);
+                            }
+                        } else {
+                            setSecondHand(getUser(), null);
+                        }
+                    }
+                }
+            }
+            if (type == EntityType.ARMOR_STAND && ((ViaVersionPlugin) ViaVersion.getInstance()).isHologramPatch()) {
+                if (metadata.getId() == 0) {
+                    byte data = (byte) metadata.getValue();
+                    if ((data & 0x20) == 0x20) {
+                        if (!knownHolograms.contains(entityID)) {
+                            knownHolograms.add(entityID);
+                            // Send movement
+                            ByteBuf buf = getUser().getChannel().alloc().buffer();
+                            PacketUtil.writeVarInt(0x25, buf); // Relative Move Packet
+                            PacketUtil.writeVarInt(entityID, buf);
+                            buf.writeShort(0);
+                            buf.writeShort((short) (128D * (((ViaVersionPlugin) ViaVersion.getInstance()).getHologramYOffset() * 32D)));
+                            buf.writeShort(0);
+                            buf.writeBoolean(true);
+                            getUser().sendRawPacket(buf, false);
+                        }
+                    }
+                }
+            }
+            Player player = Bukkit.getPlayer(getUser().get(ProtocolInfo.class).getUuid());
+            // Boss bar
+            if (((ViaVersionPlugin) ViaVersion.getInstance()).isBossbarPatch()) {
+                if (type == EntityType.ENDER_DRAGON || type == EntityType.WITHER) {
+                    if (metadata.getId() == 2) {
+                        BossBar bar = bossBarMap.get(entityID);
+                        String title = (String) metadata.getValue();
+                        title = title.isEmpty() ? (type == EntityType.ENDER_DRAGON ? "Ender Dragon" : "Wither") : title;
+                        if (bar == null) {
+                            bar = ViaVersion.getInstance().createBossBar(title, BossColor.PINK, BossStyle.SOLID);
+                            bossBarMap.put(entityID, bar);
+                            bar.addPlayer(player);
+                            bar.show();
+                        } else {
+                            bar.setTitle(title);
+                        }
+                    } else if (metadata.getId() == 6 && !((ViaVersionPlugin) ViaVersion.getInstance()).isBossbarAntiflicker()) { // If anti flicker is enabled, don't update health
+                        BossBar bar = bossBarMap.get(entityID);
+                        // Make health range between 0 and 1
+                        float maxHealth = type == EntityType.ENDER_DRAGON ? 200.0f : 300.0f;
+                        float health = Math.max(0.0f, Math.min(((float) metadata.getValue()) / maxHealth, 1.0f));
+                        if (bar == null) {
+                            String title = type == EntityType.ENDER_DRAGON ? "Ender Dragon" : "Wither";
+                            bar = ViaVersion.getInstance().createBossBar(title, health, BossColor.PINK, BossStyle.SOLID);
+                            bossBarMap.put(entityID, bar);
+                            bar.addPlayer(player);
+                            bar.show();
+                        } else {
+                            bar.setHealth(health);
+                        }
+                    }
+                }
+            }
+        }
+    }
 }

src/main/java/us/myles/ViaVersion2/api/protocol1_9to1_8/storage/MovementTracker.java

@@ -2,6 +2,7 @@ package us.myles.ViaVersion2.api.protocol1_9to1_8.storage;
 
 import lombok.Getter;
 import us.myles.ViaVersion2.api.data.StoredObject;
+import us.myles.ViaVersion2.api.data.UserConnection;
 
 public class MovementTracker extends StoredObject{
     private static final long IDLE_PACKET_DELAY = 50L; // Update every 50ms (20tps)
@@ -9,6 +10,10 @@ public class MovementTracker extends StoredObject{
     @Getter
     private long nextIdlePacket = 0L;
 
+    public MovementTracker(UserConnection user) {
+        super(user);
+    }
+
     public void incrementIdlePacket() {
         // Notify of next update
         // Allow a maximum lag spike of 1 second (20 ticks/updates)