diff --git a/src/main/java/ru/nanit/limbo/LimboConstants.java b/src/main/java/ru/nanit/limbo/LimboConstants.java
index 3e1653f..a4f7929 100644
--- a/src/main/java/ru/nanit/limbo/LimboConstants.java
+++ b/src/main/java/ru/nanit/limbo/LimboConstants.java
@@ -4,6 +4,6 @@ public final class LimboConstants {
 
     public static final String VELOCITY_INFO_CHANNEL = "velocity:player_info";
 
-    private LimboConstants(){}
+    private LimboConstants() {}
 
 }
diff --git a/src/main/java/ru/nanit/limbo/NanoLimbo.java b/src/main/java/ru/nanit/limbo/NanoLimbo.java
index a68c977..313ae36 100644
--- a/src/main/java/ru/nanit/limbo/NanoLimbo.java
+++ b/src/main/java/ru/nanit/limbo/NanoLimbo.java
@@ -5,10 +5,10 @@ import ru.nanit.limbo.util.Logger;
 
 public final class NanoLimbo {
 
-    public static void main(String[] args){
+    public static void main(String[] args) {
         try {
             new LimboServer().start();
-        } catch (Exception e){
+        } catch (Exception e) {
             Logger.error("Cannot start server: ", e);
         }
     }
diff --git a/src/main/java/ru/nanit/limbo/configuration/LimboConfig.java b/src/main/java/ru/nanit/limbo/configuration/LimboConfig.java
index 3acbb52..ae3ba17 100644
--- a/src/main/java/ru/nanit/limbo/configuration/LimboConfig.java
+++ b/src/main/java/ru/nanit/limbo/configuration/LimboConfig.java
@@ -38,7 +38,7 @@ public final class LimboConfig {
     private int bossGroupSize;
     private int workerGroupSize;
 
-    public LimboConfig(Path root){
+    public LimboConfig(Path root) {
         this.root = root;
     }
 
diff --git a/src/main/java/ru/nanit/limbo/configuration/SocketAddressSerializer.java b/src/main/java/ru/nanit/limbo/configuration/SocketAddressSerializer.java
index 96520c3..613f9c2 100644
--- a/src/main/java/ru/nanit/limbo/configuration/SocketAddressSerializer.java
+++ b/src/main/java/ru/nanit/limbo/configuration/SocketAddressSerializer.java
@@ -17,7 +17,7 @@ public class SocketAddressSerializer implements TypeSerializer<SocketAddress> {
         int port = node.node("port").getInt();
         SocketAddress address;
 
-        if (ip == null || ip.isEmpty()){
+        if (ip == null || ip.isEmpty()) {
             address = new InetSocketAddress(port);
         } else {
             address = new InetSocketAddress(ip, port);
diff --git a/src/main/java/ru/nanit/limbo/connection/ClientChannelInitializer.java b/src/main/java/ru/nanit/limbo/connection/ClientChannelInitializer.java
index 5b3cd7a..4ffc47e 100644
--- a/src/main/java/ru/nanit/limbo/connection/ClientChannelInitializer.java
+++ b/src/main/java/ru/nanit/limbo/connection/ClientChannelInitializer.java
@@ -16,7 +16,7 @@ public class ClientChannelInitializer extends ChannelInitializer<Channel> {
 
     private final LimboServer server;
 
-    public ClientChannelInitializer(LimboServer server){
+    public ClientChannelInitializer(LimboServer server) {
         this.server = server;
     }
 
diff --git a/src/main/java/ru/nanit/limbo/connection/ClientConnection.java b/src/main/java/ru/nanit/limbo/connection/ClientConnection.java
index eba80ea..e43c2fd 100644
--- a/src/main/java/ru/nanit/limbo/connection/ClientConnection.java
+++ b/src/main/java/ru/nanit/limbo/connection/ClientConnection.java
@@ -53,7 +53,7 @@ public class ClientConnection extends ChannelInboundHandlerAdapter {
 
     private int velocityLoginMessageId = -1;
 
-    public ClientConnection(Channel channel, LimboServer server){
+    public ClientConnection(Channel channel, LimboServer server) {
         this.server = server;
         this.channel = channel;
         this.address = channel.remoteAddress();
@@ -64,7 +64,7 @@ public class ClientConnection extends ChannelInboundHandlerAdapter {
         return gameProfile.getUuid();
     }
 
-    public String getUsername(){
+    public String getUsername() {
         return gameProfile.getUsername();
     }
 
@@ -74,7 +74,7 @@ public class ClientConnection extends ChannelInboundHandlerAdapter {
 
     @Override
     public void channelInactive(ChannelHandlerContext ctx) throws Exception {
-        if (state.equals(State.PLAY)){
+        if (state.equals(State.PLAY)) {
             server.getConnections().removeConnection(this);
         }
         super.channelInactive(ctx);
@@ -82,7 +82,7 @@ public class ClientConnection extends ChannelInboundHandlerAdapter {
 
     @Override
     public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) {
-        if (channel.isActive()){
+        if (channel.isActive()) {
             Logger.error("Unhandled exception: ", cause);
         }
     }
@@ -92,17 +92,17 @@ public class ClientConnection extends ChannelInboundHandlerAdapter {
         handlePacket(msg);
     }
 
-    public void handlePacket(Object packet){
-        if (packet instanceof PacketHandshake){
+    public void handlePacket(Object packet) {
+        if (packet instanceof PacketHandshake) {
             PacketHandshake handshake = (PacketHandshake) packet;
             clientVersion = handshake.getVersion();
             updateState(State.getById(handshake.getNextState()));
             Logger.debug("Pinged from " + address);
 
-            if (server.getConfig().getInfoForwarding().isLegacy()){
+            if (server.getConfig().getInfoForwarding().isLegacy()) {
                 String[] split = handshake.getHost().split("\00");
 
-                if (split.length == 3 || split.length == 4){
+                if (split.length == 3 || split.length == 4) {
                     setAddress(split[1]);
                     gameProfile.setUuid(UuidUtil.fromString(split[2]));
                 } else {
@@ -112,28 +112,28 @@ public class ClientConnection extends ChannelInboundHandlerAdapter {
             return;
         }
 
-        if (packet instanceof PacketStatusRequest){
+        if (packet instanceof PacketStatusRequest) {
             sendPacket(new PacketStatusResponse(server));
             return;
         }
 
-        if (packet instanceof PacketStatusPing){
+        if (packet instanceof PacketStatusPing) {
             sendPacketAndClose(packet);
             return;
         }
 
-        if (packet instanceof PacketLoginStart){
-            if (server.getConnections().getCount() >= server.getConfig().getMaxPlayers()){
+        if (packet instanceof PacketLoginStart) {
+            if (server.getConnections().getCount() >= server.getConfig().getMaxPlayers()) {
                 disconnectLogin("Too many players connected");
                 return;
             }
 
-            if (!clientVersion.equals(Version.getCurrentSupported())){
+            if (!clientVersion.equals(Version.getCurrentSupported())) {
                 disconnectLogin("Incompatible client version");
                 return;
             }
 
-            if (server.getConfig().getInfoForwarding().isModern()){
+            if (server.getConfig().getInfoForwarding().isModern()) {
                 velocityLoginMessageId = ThreadLocalRandom.current().nextInt(0, Integer.MAX_VALUE);
                 PacketLoginPluginRequest request = new PacketLoginPluginRequest();
                 request.setMessageId(velocityLoginMessageId);
@@ -143,7 +143,7 @@ public class ClientConnection extends ChannelInboundHandlerAdapter {
                 return;
             }
 
-            if (!server.getConfig().getInfoForwarding().isModern()){
+            if (!server.getConfig().getInfoForwarding().isModern()) {
                 gameProfile.setUsername(((PacketLoginStart)packet).getUsername());
                 gameProfile.setUuid(UuidUtil.getOfflineModeUuid(getUsername()));
             }
@@ -152,13 +152,13 @@ public class ClientConnection extends ChannelInboundHandlerAdapter {
             return;
         }
 
-        if (packet instanceof PacketLoginPluginResponse){
+        if (packet instanceof PacketLoginPluginResponse) {
             PacketLoginPluginResponse response = (PacketLoginPluginResponse) packet;
 
             if (server.getConfig().getInfoForwarding().isModern()
-                    && response.getMessageId() == velocityLoginMessageId){
+                    && response.getMessageId() == velocityLoginMessageId) {
 
-                if (!response.isSuccessful() || response.getData() == null){
+                if (!response.isSuccessful() || response.getData() == null) {
                     disconnectLogin("You need to connect with Velocity");
                     return;
                 }
@@ -178,8 +178,8 @@ public class ClientConnection extends ChannelInboundHandlerAdapter {
         }
     }
 
-    private void fireLoginSuccess(){
-        if (server.getConfig().getInfoForwarding().isModern() && velocityLoginMessageId == -1){
+    private void fireLoginSuccess() {
+        if (server.getConfig().getInfoForwarding().isModern() && velocityLoginMessageId == -1) {
             disconnectLogin("You need to connect with Velocity");
             return;
         }
@@ -204,51 +204,51 @@ public class ClientConnection extends ChannelInboundHandlerAdapter {
         sendKeepAlive();
     }
 
-    public void disconnectLogin(String reason){
-        if (isConnected() && state == State.LOGIN){
+    public void disconnectLogin(String reason) {
+        if (isConnected() && state == State.LOGIN) {
             PacketDisconnect disconnect = new PacketDisconnect();
             disconnect.setReason(reason);
             sendPacketAndClose(disconnect);
         }
     }
 
-    public void sendKeepAlive(){
-        if (state.equals(State.PLAY)){
+    public void sendKeepAlive() {
+        if (state.equals(State.PLAY)) {
             PacketKeepAlive keepAlive = new PacketKeepAlive();
             keepAlive.setId(ThreadLocalRandom.current().nextLong());
             sendPacket(keepAlive);
         }
     }
 
-    public void sendPacket(Object packet){
+    public void sendPacket(Object packet) {
         if (isConnected())
             channel.writeAndFlush(packet, channel.voidPromise());
     }
 
-    public void sendPacketAndClose(Object packet){
+    public void sendPacketAndClose(Object packet) {
         if (isConnected())
             channel.writeAndFlush(packet).addListener(ChannelFutureListener.CLOSE);
     }
 
-    public void writePacket(Object packet){
+    public void writePacket(Object packet) {
         if (isConnected()) channel.write(packet, channel.voidPromise());
     }
 
-    public void flushPackets(){
+    public void flushPackets() {
         if (isConnected()) channel.flush();
     }
 
-    public boolean isConnected(){
+    public boolean isConnected() {
         return channel.isActive();
     }
 
-    private void updateState(State state){
+    private void updateState(State state) {
         this.state = state;
         channel.pipeline().get(PacketDecoder.class).updateState(state);
         channel.pipeline().get(PacketEncoder.class).updateState(state);
     }
 
-    private void setAddress(String host){
+    private void setAddress(String host) {
         this.address = new InetSocketAddress(host, ((InetSocketAddress)this.address).getPort());
     }
 
@@ -272,7 +272,7 @@ public class ClientConnection extends ChannelInboundHandlerAdapter {
         return true;
     }
 
-    public static void preInitPackets(LimboServer server){
+    public static void preInitPackets(LimboServer server) {
         final String username = server.getConfig().getPingData().getVersion();
         final UUID uuid = UuidUtil.getOfflineModeUuid(username);
 
@@ -325,7 +325,7 @@ public class ClientConnection extends ChannelInboundHandlerAdapter {
         PACKET_PLAYER_INFO = PreEncodedPacket.of(info);
         PACKET_DECLARE_COMMANDS = PreEncodedPacket.of(declareCommands);
 
-        if (server.getConfig().isUseJoinMessage()){
+        if (server.getConfig().isUseJoinMessage()) {
             PacketChatMessage joinMessage = new PacketChatMessage();
             joinMessage.setJsonData(server.getConfig().getJoinMessage());
             joinMessage.setPosition(PacketChatMessage.Position.CHAT);
@@ -333,7 +333,7 @@ public class ClientConnection extends ChannelInboundHandlerAdapter {
             PACKET_JOIN_MESSAGE = PreEncodedPacket.of(joinMessage);
         }
 
-        if (server.getConfig().isUseBossBar()){
+        if (server.getConfig().isUseBossBar()) {
             PacketBossBar bossBar = new PacketBossBar();
             bossBar.setBossBar(server.getConfig().getBossBar());
             bossBar.setUuid(UUID.randomUUID());
diff --git a/src/main/java/ru/nanit/limbo/connection/pipeline/PacketDecoder.java b/src/main/java/ru/nanit/limbo/connection/pipeline/PacketDecoder.java
index 5202447..75b0246 100644
--- a/src/main/java/ru/nanit/limbo/connection/pipeline/PacketDecoder.java
+++ b/src/main/java/ru/nanit/limbo/connection/pipeline/PacketDecoder.java
@@ -13,7 +13,7 @@ public class PacketDecoder extends MessageToMessageDecoder<ByteBuf> {
 
     private State.PacketRegistry mappings;
 
-    public PacketDecoder(){
+    public PacketDecoder() {
         updateState(State.HANDSHAKING);
     }
 
@@ -25,10 +25,10 @@ public class PacketDecoder extends MessageToMessageDecoder<ByteBuf> {
         int packetId = msg.readVarInt();
         Packet packet = mappings.getPacket(packetId);
 
-        if (packet != null){
+        if (packet != null) {
             try {
                 packet.decode(msg);
-            } catch (Exception e){
+            } catch (Exception e) {
                 Logger.warning("Cannot decode packet 0x%s: %s", Integer.toHexString(packetId), e.getMessage());
             }
 
@@ -38,7 +38,7 @@ public class PacketDecoder extends MessageToMessageDecoder<ByteBuf> {
         }
     }
 
-    public void updateState(State state){
+    public void updateState(State state) {
         this.mappings = state.serverBound;
     }
 }
diff --git a/src/main/java/ru/nanit/limbo/connection/pipeline/PacketEncoder.java b/src/main/java/ru/nanit/limbo/connection/pipeline/PacketEncoder.java
index 05a3c84..e559144 100644
--- a/src/main/java/ru/nanit/limbo/connection/pipeline/PacketEncoder.java
+++ b/src/main/java/ru/nanit/limbo/connection/pipeline/PacketEncoder.java
@@ -13,7 +13,7 @@ public class PacketEncoder extends MessageToByteEncoder<Packet> {
 
     private State.PacketRegistry registry;
 
-    public PacketEncoder(){
+    public PacketEncoder() {
         updateState(State.HANDSHAKING);
     }
 
@@ -24,13 +24,13 @@ public class PacketEncoder extends MessageToByteEncoder<Packet> {
         ByteMessage msg = new ByteMessage(out);
         int packetId;
 
-        if (packet instanceof PreEncodedPacket){
+        if (packet instanceof PreEncodedPacket) {
             packetId = registry.getPacketId(((PreEncodedPacket)packet).getWrappedPacket().getClass());
         } else {
             packetId = registry.getPacketId(packet.getClass());
         }
 
-        if (packetId == -1){
+        if (packetId == -1) {
             Logger.warning("Undefined packet class: %s", packet.getClass().getName());
             return;
         }
@@ -39,12 +39,12 @@ public class PacketEncoder extends MessageToByteEncoder<Packet> {
 
         try {
             packet.encode(msg);
-        } catch (Exception e){
+        } catch (Exception e) {
             Logger.warning("Cannot encode packet 0x%s: %s", Integer.toHexString(packetId), e.getMessage());
         }
     }
 
-    public void updateState(State state){
+    public void updateState(State state) {
         this.registry = state.clientBound;
     }
 
diff --git a/src/main/java/ru/nanit/limbo/protocol/ByteMessage.java b/src/main/java/ru/nanit/limbo/protocol/ByteMessage.java
index 7c5eba1..a083704 100644
--- a/src/main/java/ru/nanit/limbo/protocol/ByteMessage.java
+++ b/src/main/java/ru/nanit/limbo/protocol/ByteMessage.java
@@ -23,11 +23,11 @@ public class ByteMessage extends ByteBuf {
 
     private final ByteBuf buf;
 
-    public ByteMessage(ByteBuf buf){
+    public ByteMessage(ByteBuf buf) {
         this.buf = buf;
     }
 
-    public byte[] toByteArray(){
+    public byte[] toByteArray() {
         byte[] bytes = new byte[buf.readableBytes()];
         buf.readBytes(bytes);
         return bytes;
@@ -50,7 +50,7 @@ public class ByteMessage extends ByteBuf {
         throw new IllegalArgumentException("Cannot read VarInt");
     }
 
-    public void writeVarInt(int value){
+    public void writeVarInt(int value) {
         while (true) {
             if ((value & 0xFFFFFF80) == 0) {
                 buf.writeByte(value);
@@ -78,7 +78,7 @@ public class ByteMessage extends ByteBuf {
         buf.writeCharSequence(str, StandardCharsets.UTF_8);
     }
 
-    public byte[] readBytesArray(){
+    public byte[] readBytesArray() {
         int length = readVarInt();
         byte[] array = new byte[length];
         buf.readBytes(array);
@@ -146,7 +146,7 @@ public class ByteMessage extends ByteBuf {
 
             writeVarInt(compoundTags.length);
 
-            for (CompoundBinaryTag tag : compoundTags){
+            for (CompoundBinaryTag tag : compoundTags) {
                 BinaryTagIO.writeDataOutput(tag, stream);
             }
         } catch (IOException e) {
@@ -1139,7 +1139,7 @@ public class ByteMessage extends ByteBuf {
         return buf.release(decrement);
     }
 
-    public static ByteMessage create(){
+    public static ByteMessage create() {
         return new ByteMessage(Unpooled.buffer());
     }
 }
diff --git a/src/main/java/ru/nanit/limbo/protocol/packets/login/PacketLoginPluginResponse.java b/src/main/java/ru/nanit/limbo/protocol/packets/login/PacketLoginPluginResponse.java
index a022e42..19febec 100644
--- a/src/main/java/ru/nanit/limbo/protocol/packets/login/PacketLoginPluginResponse.java
+++ b/src/main/java/ru/nanit/limbo/protocol/packets/login/PacketLoginPluginResponse.java
@@ -26,7 +26,7 @@ public class PacketLoginPluginResponse implements PacketIn {
         messageId = msg.readVarInt();
         successful = msg.readBoolean();
 
-        if (msg.readableBytes() > 0){
+        if (msg.readableBytes() > 0) {
             int i = msg.readableBytes();
             data = new ByteMessage(msg.readBytes(i));
         }
diff --git a/src/main/java/ru/nanit/limbo/protocol/packets/play/PacketChatMessage.java b/src/main/java/ru/nanit/limbo/protocol/packets/play/PacketChatMessage.java
index 5ccacb5..6191f3b 100644
--- a/src/main/java/ru/nanit/limbo/protocol/packets/play/PacketChatMessage.java
+++ b/src/main/java/ru/nanit/limbo/protocol/packets/play/PacketChatMessage.java
@@ -38,7 +38,7 @@ public class PacketChatMessage implements PacketOut {
 
         private final int index;
 
-        Position(int index){
+        Position(int index) {
             this.index = index;
         }
 
diff --git a/src/main/java/ru/nanit/limbo/protocol/packets/play/PacketDeclareCommands.java b/src/main/java/ru/nanit/limbo/protocol/packets/play/PacketDeclareCommands.java
index 24926cb..cf7130b 100644
--- a/src/main/java/ru/nanit/limbo/protocol/packets/play/PacketDeclareCommands.java
+++ b/src/main/java/ru/nanit/limbo/protocol/packets/play/PacketDeclareCommands.java
@@ -22,14 +22,14 @@ public class PacketDeclareCommands implements PacketOut {
         msg.writeByte(0);
         msg.writeVarInt(commands.size());
 
-        for (int i = 1; i <= commands.size() * 2; i++){
+        for (int i = 1; i <= commands.size() * 2; i++) {
             msg.writeVarInt(i++);
         }
 
         // Declare other commands
 
         int i = 1;
-        for (String cmd : commands){
+        for (String cmd : commands) {
             msg.writeByte(1 | 0x04);
             msg.writeVarInt(1);
             msg.writeVarInt(i + 1);
diff --git a/src/main/java/ru/nanit/limbo/protocol/packets/play/PacketPlayerInfo.java b/src/main/java/ru/nanit/limbo/protocol/packets/play/PacketPlayerInfo.java
index caf06c3..44846f7 100644
--- a/src/main/java/ru/nanit/limbo/protocol/packets/play/PacketPlayerInfo.java
+++ b/src/main/java/ru/nanit/limbo/protocol/packets/play/PacketPlayerInfo.java
@@ -18,11 +18,11 @@ public class PacketPlayerInfo implements PacketOut {
         this.gameMode = gameMode;
     }
 
-    public void setUsername(String username){
+    public void setUsername(String username) {
         this.username = username;
     }
 
-    public void setUuid(UUID uuid){
+    public void setUuid(UUID uuid) {
         this.uuid = uuid;
     }
 
diff --git a/src/main/java/ru/nanit/limbo/protocol/packets/status/PacketStatusResponse.java b/src/main/java/ru/nanit/limbo/protocol/packets/status/PacketStatusResponse.java
index 131f406..1dcbb94 100644
--- a/src/main/java/ru/nanit/limbo/protocol/packets/status/PacketStatusResponse.java
+++ b/src/main/java/ru/nanit/limbo/protocol/packets/status/PacketStatusResponse.java
@@ -10,9 +10,9 @@ public class PacketStatusResponse implements PacketOut {
 
     private LimboServer server;
 
-    public PacketStatusResponse(){ }
+    public PacketStatusResponse() { }
 
-    public PacketStatusResponse(LimboServer server){
+    public PacketStatusResponse(LimboServer server) {
         this.server = server;
     }
 
@@ -26,7 +26,7 @@ public class PacketStatusResponse implements PacketOut {
         msg.writeString(json);
     }
 
-    private String getResponseJson(String version, int protocol, int maxPlayers, int online, String description){
+    private String getResponseJson(String version, int protocol, int maxPlayers, int online, String description) {
         return String.format(TEMPLATE, version, protocol, maxPlayers, online, description);
     }
 }
diff --git a/src/main/java/ru/nanit/limbo/protocol/registry/State.java b/src/main/java/ru/nanit/limbo/protocol/registry/State.java
index fcc6e39..7b3c339 100644
--- a/src/main/java/ru/nanit/limbo/protocol/registry/State.java
+++ b/src/main/java/ru/nanit/limbo/protocol/registry/State.java
@@ -14,12 +14,12 @@ import java.util.function.Supplier;
 
 public enum State {
 
-    HANDSHAKING(0){
+    HANDSHAKING(0) {
         {
             serverBound.register(0x00, PacketHandshake::new);
         }
     },
-    STATUS(1){
+    STATUS(1) {
         {
             serverBound.register(0x01, PacketStatusPing::new);
             serverBound.register(0x00, PacketStatusRequest::new);
@@ -27,7 +27,7 @@ public enum State {
             clientBound.register(0x01, PacketStatusPing::new);
         }
     },
-    LOGIN(2){
+    LOGIN(2) {
         {
             serverBound.register(0x00, PacketLoginStart::new);
             serverBound.register(0x02, PacketLoginPluginResponse::new);
@@ -36,7 +36,7 @@ public enum State {
             clientBound.register(0x04, PacketLoginPluginRequest::new);
         }
     },
-    PLAY(3){
+    PLAY(3) {
         {
             serverBound.register(0x10, PacketKeepAlive::new);
             clientBound.register(0x10, PacketDeclareCommands::new);
@@ -53,7 +53,7 @@ public enum State {
     private static final Map<Integer, State> STATE_BY_ID = new HashMap<>();
 
     static {
-        for (State registry : values()){
+        for (State registry : values()) {
             STATE_BY_ID.put(registry.stateId, registry);
         }
     }
@@ -62,11 +62,11 @@ public enum State {
     public final PacketRegistry serverBound = new PacketRegistry();
     public final PacketRegistry clientBound = new PacketRegistry();
 
-    State(int stateId){
+    State(int stateId) {
         this.stateId = stateId;
     }
 
-    public static State getById(int stateId){
+    public static State getById(int stateId) {
         return STATE_BY_ID.get(stateId);
     }
 
@@ -75,16 +75,16 @@ public enum State {
         private final Map<Integer, Supplier<?>> packetsById = new HashMap<>();
         private final Map<Class<?>, Integer> packetIdByClass = new HashMap<>();
 
-        public Packet getPacket(int packetId){
+        public Packet getPacket(int packetId) {
             Supplier<?> supplier = packetsById.get(packetId);
             return supplier == null ? null : (Packet) supplier.get();
         }
 
-        public int getPacketId(Class<?> packetClass){
+        public int getPacketId(Class<?> packetClass) {
             return packetIdByClass.getOrDefault(packetClass, -1);
         }
 
-        public void register(int packetId, Supplier<?> supplier){
+        public void register(int packetId, Supplier<?> supplier) {
             packetsById.put(packetId, supplier);
             packetIdByClass.put(supplier.get().getClass(), packetId);
         }
diff --git a/src/main/java/ru/nanit/limbo/protocol/registry/Version.java b/src/main/java/ru/nanit/limbo/protocol/registry/Version.java
index 70044e1..896c330 100644
--- a/src/main/java/ru/nanit/limbo/protocol/registry/Version.java
+++ b/src/main/java/ru/nanit/limbo/protocol/registry/Version.java
@@ -38,26 +38,26 @@ public enum Version {
     static {
         VERSION_MAP = new HashMap<>();
 
-        for (Version version : values()){
+        for (Version version : values()) {
             VERSION_MAP.put(version.getProtocolNumber(), version);
         }
     }
 
-    public static Version getCurrentSupported(){
+    public static Version getCurrentSupported() {
         return V1_16_4;
     }
 
-    public static Version of(int protocolNumber){
+    public static Version of(int protocolNumber) {
         return VERSION_MAP.getOrDefault(protocolNumber, UNDEFINED);
     }
 
     private final int protocolNumber;
 
-    Version(int protocolNumber){
+    Version(int protocolNumber) {
         this.protocolNumber = protocolNumber;
     }
 
-    public int getProtocolNumber(){
+    public int getProtocolNumber() {
         return this.protocolNumber;
     }
 
diff --git a/src/main/java/ru/nanit/limbo/server/Connections.java b/src/main/java/ru/nanit/limbo/server/Connections.java
index c2bee63..b4bf16b 100644
--- a/src/main/java/ru/nanit/limbo/server/Connections.java
+++ b/src/main/java/ru/nanit/limbo/server/Connections.java
@@ -13,24 +13,24 @@ public final class Connections {
 
     private final Map<UUID, ClientConnection> connections;
 
-    public Connections(){
+    public Connections() {
         connections = new ConcurrentHashMap<>();
     }
 
-    public Collection<ClientConnection> getAllConnections(){
+    public Collection<ClientConnection> getAllConnections() {
         return Collections.unmodifiableCollection(connections.values());
     }
 
-    public int getCount(){
+    public int getCount() {
         return connections.size();
     }
 
-    public void addConnection(ClientConnection connection){
+    public void addConnection(ClientConnection connection) {
         connections.put(connection.getUuid(), connection);
         Logger.info("Player %s connected (%s)", connection.getUsername(), connection.getAddress());
     }
 
-    public void removeConnection(ClientConnection connection){
+    public void removeConnection(ClientConnection connection) {
         connections.remove(connection.getUuid());
         Logger.info("Player %s disconnected", connection.getUsername());
     }
diff --git a/src/main/java/ru/nanit/limbo/server/LimboServer.java b/src/main/java/ru/nanit/limbo/server/LimboServer.java
index 51c5ab6..80af77c 100644
--- a/src/main/java/ru/nanit/limbo/server/LimboServer.java
+++ b/src/main/java/ru/nanit/limbo/server/LimboServer.java
@@ -30,11 +30,11 @@ public final class LimboServer {
     private EventLoopGroup bossGroup;
     private EventLoopGroup workerGroup;
 
-    public LimboConfig getConfig(){
+    public LimboConfig getConfig() {
         return config;
     }
 
-    public Connections getConnections(){
+    public Connections getConnections() {
         return connections;
     }
 
@@ -67,10 +67,10 @@ public final class LimboServer {
         Logger.info("Server started on %s", config.getAddress());
     }
 
-    private void startBootstrap(){
+    private void startBootstrap() {
         Class<? extends ServerChannel> channelClass;
 
-        if (config.isUseEpoll() && Epoll.isAvailable()){
+        if (config.isUseEpoll() && Epoll.isAvailable()) {
             bossGroup = new EpollEventLoopGroup(config.getBossGroupSize());
             workerGroup = new EpollEventLoopGroup(config.getWorkerGroupSize());
             channelClass = EpollServerSocketChannel.class;
@@ -91,20 +91,20 @@ public final class LimboServer {
                 .bind();
     }
 
-    private void broadcastKeepAlive(){
+    private void broadcastKeepAlive() {
         connections.getAllConnections().forEach(ClientConnection::sendKeepAlive);
     }
 
-    private void stop(){
-        if (keepAliveTask != null){
+    private void stop() {
+        if (keepAliveTask != null) {
             keepAliveTask.cancel(true);
         }
 
-        if (bossGroup != null){
+        if (bossGroup != null) {
             bossGroup.shutdownGracefully();
         }
 
-        if (workerGroup != null){
+        if (workerGroup != null) {
             workerGroup.shutdownGracefully();
         }
     }
diff --git a/src/main/java/ru/nanit/limbo/server/data/BossBar.java b/src/main/java/ru/nanit/limbo/server/data/BossBar.java
index 3781738..b42795b 100644
--- a/src/main/java/ru/nanit/limbo/server/data/BossBar.java
+++ b/src/main/java/ru/nanit/limbo/server/data/BossBar.java
@@ -101,13 +101,13 @@ public class BossBar {
 
             try {
                 bossBar.setColor(Color.valueOf(node.node("color").getString("").toUpperCase()));
-            } catch (IllegalArgumentException e){
+            } catch (IllegalArgumentException e) {
                 throw new SerializationException("Invalid bossbar color");
             }
 
             try {
                 bossBar.setDivision(Division.valueOf(node.node("division").getString("").toUpperCase()));
-            } catch (IllegalArgumentException e){
+            } catch (IllegalArgumentException e) {
                 throw new SerializationException("Invalid bossbar division");
             }
 
diff --git a/src/main/java/ru/nanit/limbo/server/data/InfoForwarding.java b/src/main/java/ru/nanit/limbo/server/data/InfoForwarding.java
index 08ee5fb..ae3ae89 100644
--- a/src/main/java/ru/nanit/limbo/server/data/InfoForwarding.java
+++ b/src/main/java/ru/nanit/limbo/server/data/InfoForwarding.java
@@ -20,15 +20,15 @@ public class InfoForwarding {
         return secretKey;
     }
 
-    public boolean isNone(){
+    public boolean isNone() {
         return type == Type.NONE;
     }
 
-    public boolean isLegacy(){
+    public boolean isLegacy() {
         return type == Type.LEGACY;
     }
 
-    public boolean isModern(){
+    public boolean isModern() {
         return type == Type.MODERN;
     }
 
@@ -46,11 +46,11 @@ public class InfoForwarding {
 
             try {
                 forwarding.type = Type.valueOf(node.node("type").getString("").toUpperCase());
-            } catch (IllegalArgumentException e){
+            } catch (IllegalArgumentException e) {
                 throw new SerializationException("Undefined info forwarding type");
             }
 
-            if (forwarding.type == Type.MODERN){
+            if (forwarding.type == Type.MODERN) {
                 forwarding.secretKey = node.node("secret").getString("").getBytes(StandardCharsets.UTF_8);
             }
 
diff --git a/src/main/java/ru/nanit/limbo/util/Colors.java b/src/main/java/ru/nanit/limbo/util/Colors.java
index fc9e83a..84e4faa 100644
--- a/src/main/java/ru/nanit/limbo/util/Colors.java
+++ b/src/main/java/ru/nanit/limbo/util/Colors.java
@@ -5,9 +5,9 @@ public final class Colors {
     private static final char CHAR_FROM = '\u0026';
     private static final char CHAR_TO = '\u00A7';
 
-    private Colors(){}
+    private Colors() {}
 
-    public static String of(String text){
+    public static String of(String text) {
         return text.replace(CHAR_FROM, CHAR_TO);
     }
 
diff --git a/src/main/java/ru/nanit/limbo/util/Logger.java b/src/main/java/ru/nanit/limbo/util/Logger.java
index 81a6efb..15312b9 100644
--- a/src/main/java/ru/nanit/limbo/util/Logger.java
+++ b/src/main/java/ru/nanit/limbo/util/Logger.java
@@ -8,48 +8,48 @@ public final class Logger {
     private static final DateTimeFormatter FORMATTER = DateTimeFormatter.ofPattern("hh:mm:ss");
     private static int debugLevel = 3;
 
-    private Logger(){}
+    private Logger() {}
 
-    public static void setLevel(int level){
+    public static void setLevel(int level) {
         debugLevel = level;
     }
 
-    public static void info(Object msg, Object... args){
+    public static void info(Object msg, Object... args) {
         print(Level.INFO, msg, null, args);
     }
 
-    public static void debug(Object msg, Object... args){
+    public static void debug(Object msg, Object... args) {
         print(Level.DEBUG, msg, null, args);
     }
 
-    public static void warning(Object msg, Object... args){
+    public static void warning(Object msg, Object... args) {
         print(Level.WARNING, msg, null, args);
     }
 
-    public static void warning(Object msg, Throwable t, Object... args){
+    public static void warning(Object msg, Throwable t, Object... args) {
         print(Level.WARNING, msg, t, args);
     }
 
-    public static void error(Object msg, Object... args){
+    public static void error(Object msg, Object... args) {
         print(Level.ERROR, msg, null, args);
     }
 
-    public static void error(Object msg, Throwable t, Object... args){
+    public static void error(Object msg, Throwable t, Object... args) {
         print(Level.ERROR, msg, t, args);
     }
 
-    public static void print(Level level, Object msg, Throwable t, Object... args){
-        if (debugLevel >= level.getIndex()){
+    public static void print(Level level, Object msg, Throwable t, Object... args) {
+        if (debugLevel >= level.getIndex()) {
             System.out.println(String.format("%s: %s", getPrefix(level), String.format(msg.toString(), args)));
             if (t != null) t.printStackTrace();
         }
     }
 
-    private static String getPrefix(Level level){
+    private static String getPrefix(Level level) {
         return String.format("[%s] [%s]", getTime(), level.getDisplay());
     }
 
-    private static String getTime(){
+    private static String getTime() {
         return LocalTime.now().format(FORMATTER);
     }
 
@@ -63,7 +63,7 @@ public final class Logger {
         private final String display;
         private final int index;
 
-        Level(String display, int index){
+        Level(String display, int index) {
             this.display = display;
             this.index = index;
         }
diff --git a/src/main/java/ru/nanit/limbo/util/UuidUtil.java b/src/main/java/ru/nanit/limbo/util/UuidUtil.java
index 87b5b41..a3868a8 100644
--- a/src/main/java/ru/nanit/limbo/util/UuidUtil.java
+++ b/src/main/java/ru/nanit/limbo/util/UuidUtil.java
@@ -5,14 +5,14 @@ import java.util.UUID;
 
 public final class UuidUtil {
 
-    private UuidUtil(){}
+    private UuidUtil() {}
 
-    public static UUID getOfflineModeUuid(String username){
+    public static UUID getOfflineModeUuid(String username) {
         return UUID.nameUUIDFromBytes(("OfflinePlayer:" + username)
                 .getBytes(StandardCharsets.UTF_8));
     }
 
-    public static UUID fromString(String str){
+    public static UUID fromString(String str) {
         if(str.contains("-")) return UUID.fromString(str);
         return UUID.fromString(str.replaceFirst("(\\p{XDigit}{8})(\\p{XDigit}{4})(\\p{XDigit}{4})(\\p{XDigit}{4})(\\p{XDigit}+)", "$1-$2-$3-$4-$5"));
     }
diff --git a/src/main/java/ru/nanit/limbo/world/DimensionRegistry.java b/src/main/java/ru/nanit/limbo/world/DimensionRegistry.java
index d021207..90364f1 100644
--- a/src/main/java/ru/nanit/limbo/world/DimensionRegistry.java
+++ b/src/main/java/ru/nanit/limbo/world/DimensionRegistry.java
@@ -18,7 +18,7 @@ public final class DimensionRegistry {
     private CompoundBinaryTag theEnd;
     private CompoundBinaryTag nether;
 
-    public CompoundBinaryTag getCodec(){
+    public CompoundBinaryTag getCodec() {
         return codec;
     }
 
@@ -47,7 +47,7 @@ public final class DimensionRegistry {
         nether = (CompoundBinaryTag) ((CompoundBinaryTag) dimensions.get(2)).get("element");
         theEnd = (CompoundBinaryTag) ((CompoundBinaryTag) dimensions.get(3)).get("element");
 
-        switch (def.toLowerCase()){
+        switch (def.toLowerCase()) {
             case "overworld":
                 defaultDimension = overWorld;
                 break;