diff --git a/src/main/java/de/bixilon/minosoft/protocol/ErrorHandler.kt b/src/main/java/de/bixilon/minosoft/protocol/ErrorHandler.kt
new file mode 100644
index 000000000..7c1d901a5
--- /dev/null
+++ b/src/main/java/de/bixilon/minosoft/protocol/ErrorHandler.kt
@@ -0,0 +1,21 @@
+/*
+ * Minosoft
+ * Copyright (C) 2021 Moritz Zwerger
+ *
+ * This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this program.If not, see <https://www.gnu.org/licenses/>.
+ *
+ * This software is not affiliated with Mojang AB, the original developer of Minecraft.
+ */
+
+package de.bixilon.minosoft.protocol
+
+import de.bixilon.minosoft.protocol.network.Connection
+
+interface ErrorHandler {
+
+    fun onError(connection: Connection) {}
+}
diff --git a/src/main/java/de/bixilon/minosoft/protocol/network/Network.java b/src/main/java/de/bixilon/minosoft/protocol/network/Network.java
index eae1e975c..5bb800b23 100644
--- a/src/main/java/de/bixilon/minosoft/protocol/network/Network.java
+++ b/src/main/java/de/bixilon/minosoft/protocol/network/Network.java
@@ -69,21 +69,25 @@ public abstract class Network {
                 throw new UnknownPacketException(String.format("Server sent us an unknown packet (id=0x%x, length=%d, data=%s)", data.getPacketTypeId(), bytes.length, data.getBase64()));
             }
 
-            PacketTypes.PacketInstanceCreator instanceCreator = packetType.getCreator();
+            var factory = packetType.getFactory();
 
-            if (instanceCreator == null) {
+            if (factory == null) {
                 throw new PacketNotImplementedException(data, packetType, this.connection);
             }
 
             ClientboundPacket packet;
             try {
-                packet = instanceCreator.createNewInstance(data);
+                packet = factory.invoke(data);
                 if (data.getBytesLeft() > 0) {
                     throw new PacketParseException(String.format("Could not parse packet %s (used=%d, available=%d, total=%d)", packetType, data.getPosition(), data.getBytesLeft(), data.getLength()));
                 }
                 packet.check(this.connection);
             } catch (Throwable exception) {
-                // ToDo: packet.onError(this.connection);
+                var errorHandler = packetType.getErrorHandler();
+                if (errorHandler != null) {
+                    errorHandler.onError(this.connection);
+                }
+
                 throw exception;
             }
             return new Pair<>(packetType, packet);
diff --git a/src/main/java/de/bixilon/minosoft/protocol/packets/ClientboundPacket.kt b/src/main/java/de/bixilon/minosoft/protocol/packets/ClientboundPacket.kt
index dcd534143..5d7ebb53e 100644
--- a/src/main/java/de/bixilon/minosoft/protocol/packets/ClientboundPacket.kt
+++ b/src/main/java/de/bixilon/minosoft/protocol/packets/ClientboundPacket.kt
@@ -18,7 +18,5 @@ abstract class ClientboundPacket : Packet {
 
     open fun handle(connection: Connection) {}
 
-    open fun onError(connection: Connection) {}
-
     open fun check(connection: Connection) {}
 }
diff --git a/src/main/java/de/bixilon/minosoft/protocol/packets/clientbound/play/PacketHeldItemChangeReceiving.kt b/src/main/java/de/bixilon/minosoft/protocol/packets/clientbound/play/PacketHeldItemChangeReceiving.kt
index e2fd19ba7..9863f62c8 100644
--- a/src/main/java/de/bixilon/minosoft/protocol/packets/clientbound/play/PacketHeldItemChangeReceiving.kt
+++ b/src/main/java/de/bixilon/minosoft/protocol/packets/clientbound/play/PacketHeldItemChangeReceiving.kt
@@ -18,11 +18,10 @@ import de.bixilon.minosoft.protocol.packets.ClientboundPacket
 import de.bixilon.minosoft.protocol.protocol.InByteBuffer
 import de.bixilon.minosoft.util.logging.Log
 
-class PacketHeldItemChangeReceiving() : ClientboundPacket() {
-    var slot = 0
-        private set
+class PacketHeldItemChangeReceiving(buffer: InByteBuffer) : ClientboundPacket() {
+    val slot: Int
 
-    constructor(buffer: InByteBuffer) : this() {
+    init {
         slot = buffer.readByte().toInt()
     }
 
diff --git a/src/main/java/de/bixilon/minosoft/protocol/packets/clientbound/play/PacketJoinGame.kt b/src/main/java/de/bixilon/minosoft/protocol/packets/clientbound/play/PacketJoinGame.kt
index 8d4c0b0e7..a82825c15 100644
--- a/src/main/java/de/bixilon/minosoft/protocol/packets/clientbound/play/PacketJoinGame.kt
+++ b/src/main/java/de/bixilon/minosoft/protocol/packets/clientbound/play/PacketJoinGame.kt
@@ -24,6 +24,7 @@ import de.bixilon.minosoft.data.world.biome.accessor.BlockBiomeAccessor
 import de.bixilon.minosoft.data.world.biome.accessor.NoiseBiomeAccessor
 import de.bixilon.minosoft.gui.rendering.util.VecUtil
 import de.bixilon.minosoft.modding.event.events.JoinGameEvent
+import de.bixilon.minosoft.protocol.ErrorHandler
 import de.bixilon.minosoft.protocol.network.Connection
 import de.bixilon.minosoft.protocol.packets.ClientboundPacket
 import de.bixilon.minosoft.protocol.protocol.InByteBuffer
@@ -36,8 +37,8 @@ import de.bixilon.minosoft.util.nbt.tag.ListTag
 import de.bixilon.minosoft.util.nbt.tag.NBTTag
 import kotlin.experimental.and
 
-class PacketJoinGame() : ClientboundPacket() {
-    var entityId: Int = 0
+class PacketJoinGame(buffer: InByteBuffer) : ClientboundPacket() {
+    val entityId: Int
     var isHardcore: Boolean = false
     var gamemode: Gamemodes = Gamemodes.SPECTATOR
     var dimension: Dimension? = null
@@ -50,7 +51,7 @@ class PacketJoinGame() : ClientboundPacket() {
     var hashedSeed: Long = 0L
     var dimensions: HashBiMap<ResourceLocation, Dimension> = HashBiMap.create()
 
-    constructor(buffer: InByteBuffer) : this() {
+    init {
         entityId = buffer.readInt()
 
         if (buffer.versionId < V_20W27A) {
@@ -70,10 +71,9 @@ class PacketJoinGame() : ClientboundPacket() {
             if (buffer.versionId >= ProtocolVersions.V_13W42B) {
                 levelType = LevelTypes.byType(buffer.readString())
             }
-            if (buffer.versionId < ProtocolVersions.V_14W29A) {
-                return
+            if (buffer.versionId >= ProtocolVersions.V_14W29A) {
+                isReducedDebugScreen = buffer.readBoolean()
             }
-            isReducedDebugScreen = buffer.readBoolean()
         }
 
         if (buffer.versionId >= ProtocolVersions.V_1_16_PRE6) {
@@ -124,7 +124,6 @@ class PacketJoinGame() : ClientboundPacket() {
         if (buffer.versionId >= ProtocolVersions.V_19W36A) {
             isEnableRespawnScreen = buffer.readBoolean()
         }
-        return
     }
 
     override fun handle(connection: Connection) {
@@ -180,7 +179,10 @@ class PacketJoinGame() : ClientboundPacket() {
         Log.protocol(String.format("[IN] Receiving join game packet (entityId=%s, gamemode=%s, dimension=%s, difficulty=%s, hardcore=%s, viewDistance=%d)", entityId, gamemode, dimension, difficulty, isHardcore, viewDistance))
     }
 
-    override fun onError(connection: Connection) {
-        connection.disconnect()
+    companion object : ErrorHandler {
+
+        override fun onError(connection: Connection) {
+            connection.disconnect()
+        }
     }
 }
diff --git a/src/main/java/de/bixilon/minosoft/protocol/packets/clientbound/play/PacketRespawn.kt b/src/main/java/de/bixilon/minosoft/protocol/packets/clientbound/play/PacketRespawn.kt
index b75622231..a3e18b663 100644
--- a/src/main/java/de/bixilon/minosoft/protocol/packets/clientbound/play/PacketRespawn.kt
+++ b/src/main/java/de/bixilon/minosoft/protocol/packets/clientbound/play/PacketRespawn.kt
@@ -24,17 +24,24 @@ import de.bixilon.minosoft.protocol.protocol.ProtocolVersions
 import de.bixilon.minosoft.util.logging.Log
 import de.bixilon.minosoft.util.nbt.tag.CompoundTag
 
-class PacketRespawn() : ClientboundPacket() {
-    var dimension: Dimension? = null
-    var difficulty: Difficulties? = null
-    var gamemode: Gamemodes? = null
-    var levelType: LevelTypes? = null
-    var hashedSeed: Long = 0
+class PacketRespawn(buffer: InByteBuffer) : ClientboundPacket() {
+    lateinit var dimension: Dimension
+        private set
+    var difficulty: Difficulties = Difficulties.NORMAL
+        private set
+    val gamemode: Gamemodes
+    var levelType: LevelTypes = LevelTypes.UNKNOWN
+        private set
+    var hashedSeed = 0L
+        private set
     var isDebug = false
+        private set
     var isFlat = false
+        private set
     var copyMetaData = false
+        private set
 
-    constructor(buffer: InByteBuffer) : this() {
+    init {
         when {
             buffer.versionId < ProtocolVersions.V_20W21A -> {
                 dimension = buffer.connection.mapping.dimensionRegistry.get(if (buffer.versionId < ProtocolVersions.V_1_8_9) { // ToDo: this should be 108 but wiki.vg is wrong. In 1.8 it is an int.
@@ -44,7 +51,7 @@ class PacketRespawn() : ClientboundPacket() {
                 })
             }
             buffer.versionId < ProtocolVersions.V_1_16_2_PRE3 -> {
-                dimension = buffer.connection.mapping.dimensionRegistry.get(buffer.readResourceLocation())
+                dimension = buffer.connection.mapping.dimensionRegistry.get(buffer.readResourceLocation())!!
             }
             else -> {
                 buffer.readNBT() as CompoundTag // current dimension data
@@ -54,7 +61,7 @@ class PacketRespawn() : ClientboundPacket() {
             difficulty = Difficulties.byId(buffer.readUnsignedByte().toInt())
         }
         if (buffer.versionId >= ProtocolVersions.V_20W22A) {
-            dimension = buffer.connection.mapping.dimensionRegistry.get(buffer.readResourceLocation())
+            dimension = buffer.connection.mapping.dimensionRegistry.get(buffer.readResourceLocation())!!
         }
         if (buffer.versionId >= ProtocolVersions.V_19W36A) {
             hashedSeed = buffer.readLong()
diff --git a/src/main/java/de/bixilon/minosoft/protocol/packets/clientbound/play/PacketServerDifficulty.kt b/src/main/java/de/bixilon/minosoft/protocol/packets/clientbound/play/PacketServerDifficulty.kt
index bad1e3e7e..7cadbf0ac 100644
--- a/src/main/java/de/bixilon/minosoft/protocol/packets/clientbound/play/PacketServerDifficulty.kt
+++ b/src/main/java/de/bixilon/minosoft/protocol/packets/clientbound/play/PacketServerDifficulty.kt
@@ -19,11 +19,12 @@ import de.bixilon.minosoft.protocol.protocol.InByteBuffer
 import de.bixilon.minosoft.protocol.protocol.ProtocolVersions
 import de.bixilon.minosoft.util.logging.Log
 
-class PacketServerDifficulty() : ClientboundPacket() {
-    lateinit var difficulty: Difficulties
+class PacketServerDifficulty(buffer: InByteBuffer) : ClientboundPacket() {
+    val difficulty: Difficulties
     var locked = false
+        private set
 
-    constructor(buffer: InByteBuffer) : this() {
+    init {
         difficulty = Difficulties.byId(buffer.readUnsignedByte().toInt())
         if (buffer.versionId > ProtocolVersions.V_19W11A) {
             locked = buffer.readBoolean()
diff --git a/src/main/java/de/bixilon/minosoft/protocol/packets/clientbound/play/PacketUpdateLight.kt b/src/main/java/de/bixilon/minosoft/protocol/packets/clientbound/play/PacketUpdateLight.kt
index 98222db20..5a1e34d7a 100644
--- a/src/main/java/de/bixilon/minosoft/protocol/packets/clientbound/play/PacketUpdateLight.kt
+++ b/src/main/java/de/bixilon/minosoft/protocol/packets/clientbound/play/PacketUpdateLight.kt
@@ -19,37 +19,41 @@ import de.bixilon.minosoft.protocol.network.Connection
 import de.bixilon.minosoft.protocol.packets.ClientboundPacket
 import de.bixilon.minosoft.protocol.protocol.InByteBuffer
 import de.bixilon.minosoft.protocol.protocol.ProtocolVersions
+import de.bixilon.minosoft.util.KUtil
 import de.bixilon.minosoft.util.chunk.LightUtil.readLightPacket
 import de.bixilon.minosoft.util.logging.Log
 import glm_.vec2.Vec2i
+import java.util.*
 
-class PacketUpdateLight() : ClientboundPacket() {
-    private var position: Vec2i? = null
-    private var lightAccessor: LightAccessor? = null
+class PacketUpdateLight(buffer: InByteBuffer) : ClientboundPacket() {
+    val position: Vec2i
+    var trustEdges: Boolean = false
+        private set
+    val lightAccessor: LightAccessor
 
-    constructor(buffer: InByteBuffer) : this() {
+    init {
         position = Vec2i(buffer.readVarInt(), buffer.readVarInt())
 
         if (buffer.versionId >= ProtocolVersions.V_1_16_PRE3) {
-            val trustEdges = buffer.readBoolean()
-        }
-        val skyLightMask: LongArray
-        val blockLightMask: LongArray
-        val emptySkyLightMask: LongArray
-        val emptyBlockLightMask: LongArray
-        if (buffer.versionId < ProtocolVersions.V_20W49A) {
-            // was a varInt before 20w45a, should we change this?
-            skyLightMask = longArrayOf(buffer.readVarLong())
-            blockLightMask = longArrayOf(buffer.readVarLong())
-            emptyBlockLightMask = longArrayOf(buffer.readVarLong())
-            emptySkyLightMask = longArrayOf(buffer.readVarLong())
-        } else {
-            skyLightMask = buffer.readLongArray()
-            blockLightMask = buffer.readLongArray()
-            emptySkyLightMask = buffer.readLongArray()
-            emptyBlockLightMask = buffer.readLongArray()
+            trustEdges = buffer.readBoolean()
         }
 
+        val skyLightMask: BitSet
+        val blockLightMask: BitSet
+        val emptySkyLightMask: BitSet
+        val emptyBlockLightMask: BitSet
+
+        if (buffer.versionId < ProtocolVersions.V_20W49A) {
+            skyLightMask = KUtil.bitSetOf(buffer.readVarLong())
+            blockLightMask = KUtil.bitSetOf(buffer.readVarLong())
+            emptyBlockLightMask = KUtil.bitSetOf(buffer.readVarLong())
+            emptySkyLightMask = KUtil.bitSetOf(buffer.readVarLong())
+        } else {
+            skyLightMask = BitSet.valueOf(buffer.readLongArray())
+            blockLightMask = BitSet.valueOf(buffer.readLongArray())
+            emptySkyLightMask = BitSet.valueOf(buffer.readLongArray())
+            emptyBlockLightMask = BitSet.valueOf(buffer.readLongArray())
+        }
 
         lightAccessor = readLightPacket(buffer, skyLightMask, blockLightMask, emptyBlockLightMask, emptySkyLightMask, buffer.connection.player.world.dimension!!)
     }
@@ -59,12 +63,12 @@ class PacketUpdateLight() : ClientboundPacket() {
     }
 
     override fun handle(connection: Connection) {
-        val chunk = connection.player.world.getOrCreateChunk(position!!)
+        val chunk = connection.player.world.getOrCreateChunk(position)
         if (chunk.lightAccessor != null && chunk.lightAccessor is ChunkLightAccessor && lightAccessor is ChunkLightAccessor) {
-            (chunk.lightAccessor as ChunkLightAccessor).merge(lightAccessor as ChunkLightAccessor)
+            (chunk.lightAccessor as ChunkLightAccessor).merge(lightAccessor)
         } else {
             chunk.lightAccessor = lightAccessor
         }
-        connection.renderer.renderWindow.worldRenderer.prepareChunk(position!!, chunk)
+        connection.renderer.renderWindow.worldRenderer.prepareChunk(position, chunk)
     }
 }
diff --git a/src/main/java/de/bixilon/minosoft/protocol/packets/clientbound/play/title/PacketTitle.kt b/src/main/java/de/bixilon/minosoft/protocol/packets/clientbound/play/title/PacketTitle.kt
index afe920f6f..40f16ac42 100644
--- a/src/main/java/de/bixilon/minosoft/protocol/packets/clientbound/play/title/PacketTitle.kt
+++ b/src/main/java/de/bixilon/minosoft/protocol/packets/clientbound/play/title/PacketTitle.kt
@@ -21,8 +21,8 @@ import de.bixilon.minosoft.util.KUtil
 import de.bixilon.minosoft.util.enum.ValuesEnum
 import de.bixilon.minosoft.util.logging.Log
 
-class PacketTitle() : ClientboundPacket() {
-    lateinit var action: TitleActions
+class PacketTitle(buffer: InByteBuffer) : ClientboundPacket() {
+    val action: TitleActions
 
     // fields depend on action
     var text: ChatComponent? = null
@@ -31,7 +31,7 @@ class PacketTitle() : ClientboundPacket() {
     var stayTime = 0
     var fadeOutTime = 0
 
-    constructor(buffer: InByteBuffer) : this() {
+    init {
         action = buffer.connection.mapping.titleActionsRegistry.get(buffer.readVarInt())!!
         when (action) {
             TitleActions.SET_TITLE -> this.text = buffer.readChatComponent()
diff --git a/src/main/java/de/bixilon/minosoft/protocol/protocol/PacketTypes.java b/src/main/java/de/bixilon/minosoft/protocol/protocol/PacketTypes.java
deleted file mode 100644
index 90af6ac9c..000000000
--- a/src/main/java/de/bixilon/minosoft/protocol/protocol/PacketTypes.java
+++ /dev/null
@@ -1,240 +0,0 @@
-/*
- * Minosoft
- * Copyright (C) 2020 Moritz Zwerger
- *
- * This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along with this program.If not, see <https://www.gnu.org/licenses/>.
- *
- * This software is not affiliated with Mojang AB, the original developer of Minecraft.
- */
-
-package de.bixilon.minosoft.protocol.protocol;
-
-import de.bixilon.minosoft.protocol.packets.ClientboundPacket;
-import de.bixilon.minosoft.protocol.packets.clientbound.login.*;
-import de.bixilon.minosoft.protocol.packets.clientbound.play.*;
-import de.bixilon.minosoft.protocol.packets.clientbound.play.title.PacketTitle;
-import de.bixilon.minosoft.protocol.packets.clientbound.status.PacketStatusPong;
-import de.bixilon.minosoft.protocol.packets.clientbound.status.PacketStatusResponse;
-
-import javax.annotation.Nullable;
-
-public class PacketTypes {
-
-    public enum Serverbound {
-        HANDSHAKING_HANDSHAKE,
-        STATUS_PING,
-        STATUS_REQUEST,
-        LOGIN_LOGIN_START,
-        LOGIN_ENCRYPTION_RESPONSE,
-        LOGIN_PLUGIN_RESPONSE,
-        PLAY_TELEPORT_CONFIRM,
-        PLAY_QUERY_BLOCK_NBT,
-        PLAY_SET_DIFFICULTY,
-        PLAY_CHAT_MESSAGE,
-        PLAY_CLIENT_STATUS,
-        PLAY_CLIENT_SETTINGS,
-        PLAY_TAB_COMPLETE,
-        PLAY_WINDOW_CONFIRMATION,
-        PLAY_CLICK_WINDOW_BUTTON,
-        PLAY_CLICK_WINDOW,
-        PLAY_CLOSE_WINDOW,
-        PLAY_PLUGIN_MESSAGE,
-        PLAY_EDIT_BOOK,
-        PLAY_ENTITY_NBT_REQUEST,
-        PLAY_INTERACT_ENTITY,
-        PLAY_KEEP_ALIVE,
-        PLAY_LOCK_DIFFICULTY,
-        PLAY_PLAYER_POSITION,
-        PLAY_PLAYER_POSITION_AND_ROTATION,
-        PLAY_PLAYER_ROTATION,
-        PLAY_VEHICLE_MOVE,
-        PLAY_STEER_BOAT,
-        PLAY_PICK_ITEM,
-        PLAY_CRAFT_RECIPE_REQUEST,
-        PLAY_PLAYER_ABILITIES,
-        PLAY_PLAYER_DIGGING,
-        PLAY_ENTITY_ACTION,
-        PLAY_STEER_VEHICLE,
-        PLAY_RECIPE_BOOK_DATA,
-        PLAY_NAME_ITEM,
-        PLAY_RESOURCE_PACK_STATUS,
-        PLAY_ADVANCEMENT_TAB,
-        PLAY_SELECT_TRADE,
-        PLAY_SET_BEACON_EFFECT,
-        PLAY_HELD_ITEM_CHANGE,
-        PLAY_UPDATE_COMMAND_BLOCK,
-        PLAY_CREATIVE_INVENTORY_ACTION,
-        PLAY_UPDATE_JIGSAW_BLOCK,
-        PLAY_UPDATE_STRUCTURE_BLOCK,
-        PLAY_UPDATE_SIGN,
-        PLAY_ANIMATION,
-        PLAY_SPECTATE,
-        PLAY_PLAYER_BLOCK_PLACEMENT,
-        PLAY_USE_ITEM,
-        PLAY_UPDATE_COMMAND_BLOCK_MINECART,
-        PLAY_GENERATE_STRUCTURE,
-        PLAY_SET_DISPLAYED_RECIPE,
-        PLAY_SET_RECIPE_BOOK_STATE,
-        PLAY_PLAYER_GROUND_CHANGE,
-        PLAY_PREPARE_CRAFTING_GRID,
-        PLAY_VEHICLE_MOVEMENT,
-        PLAY_QUERY_ENTITY_NBT;
-
-        private final ConnectionStates state;
-
-        Serverbound() {
-            this.state = ConnectionStates.valueOf(name().split("_")[0]);
-        }
-
-        public ConnectionStates getState() {
-            return this.state;
-        }
-    }
-
-    public enum Clientbound {
-        STATUS_RESPONSE(PacketStatusResponse::new, false),
-        STATUS_PONG(PacketStatusPong::new, false),
-        LOGIN_DISCONNECT(PacketLoginDisconnect::new, false),
-        LOGIN_ENCRYPTION_REQUEST(PacketEncryptionRequest::new, false),
-        LOGIN_LOGIN_SUCCESS(PacketLoginSuccess::new, false),
-        LOGIN_SET_COMPRESSION(PacketLoginSetCompression::new, false),
-        LOGIN_PLUGIN_REQUEST(PacketLoginPluginRequest::new),
-        PLAY_SPAWN_MOB(PacketSpawnMob::new, false),
-        PLAY_SPAWN_EXPERIENCE_ORB(PacketSpawnExperienceOrb::new, false),
-        PLAY_SPAWN_WEATHER_ENTITY(PacketSpawnWeatherEntity::new, false),
-        PLAY_SPAWN_PAINTING(PacketSpawnPainting::new, false),
-        PLAY_SPAWN_PLAYER(PacketSpawnPlayer::new, false),
-        PLAY_ENTITY_ANIMATION(PacketEntityAnimation::new),
-        PLAY_STATS_RESPONSE(PacketStatistics::new),
-        PLAY_ACKNOWLEDGE_PLAYER_DIGGING(PacketAcknowledgePlayerDigging::new),
-        PLAY_BLOCK_BREAK_ANIMATION(PacketBlockBreakAnimation::new),
-        PLAY_BLOCK_ENTITY_DATA(PacketBlockEntityMetadata::new),
-        PLAY_BLOCK_ACTION(PacketBlockAction::new),
-        PLAY_BLOCK_CHANGE(PacketBlockChange::new),
-        PLAY_BOSS_BAR(PacketBossBar::new),
-        PLAY_SERVER_DIFFICULTY(PacketServerDifficulty::new),
-        PLAY_CHAT_MESSAGE(PacketChatMessageReceiving::new),
-        PLAY_MULTIBLOCK_CHANGE(PacketMultiBlockChange::new),
-        PLAY_TAB_COMPLETE(PacketTabCompleteReceiving::new),
-        PLAY_DECLARE_COMMANDS(PacketDeclareCommands::new),
-        PLAY_WINDOW_CONFIRMATION(PacketConfirmTransactionReceiving::new),
-        PLAY_CLOSE_WINDOW(PacketCloseWindowReceiving::new),
-        PLAY_WINDOW_ITEMS(PacketWindowItems::new),
-        PLAY_WINDOW_PROPERTY(PacketWindowProperty::new),
-        PLAY_SET_SLOT(PacketSetSlot::new),
-        PLAY_SET_COOLDOWN(PacketSetCooldown::new),
-        PLAY_PLUGIN_MESSAGE(PacketPluginMessageReceiving::new),
-        PLAY_NAMED_SOUND_EFFECT(PacketNamedSoundEffect::new),
-        PLAY_DISCONNECT(PacketDisconnect::new, false),
-        PLAY_ENTITY_EVENT(PacketEntityEvent::new),
-        PLAY_EXPLOSION(PacketExplosion::new),
-        PLAY_UNLOAD_CHUNK(PacketUnloadChunk::new),
-        PLAY_CHANGE_GAME_STATE(PacketChangeGameState::new),
-        PLAY_OPEN_HORSE_WINDOW(PacketOpenHorseWindow::new),
-        PLAY_KEEP_ALIVE(PacketKeepAlive::new),
-        PLAY_CHUNK_DATA(PacketChunkData::new),
-        PLAY_EFFECT(PacketEffect::new),
-        PLAY_PARTICLE(PacketParticle::new),
-        PLAY_UPDATE_LIGHT(PacketUpdateLight::new),
-        PLAY_JOIN_GAME(PacketJoinGame::new, false),
-        PLAY_MAP_DATA(PacketMapData::new),
-        PLAY_TRADE_LIST(PacketTradeList::new),
-        PLAY_ENTITY_MOVEMENT_AND_ROTATION(PacketEntityMovementAndRotation::new),
-        PLAY_ENTITY_ROTATION(PacketEntityRotation::new),
-        PLAY_ENTITY_MOVEMENT(PacketEntityMovement::new),
-        PLAY_VEHICLE_MOVEMENT(PacketVehicleMovement::new),
-        PLAY_OPEN_BOOK(PacketOpenBook::new),
-        PLAY_OPEN_WINDOW(PacketOpenWindow::new),
-        PLAY_OPEN_SIGN_EDITOR(PacketOpenSignEditor::new),
-        PLAY_CRAFT_RECIPE_RESPONSE(PacketCraftRecipeResponse::new),
-        PLAY_PLAYER_ABILITIES(PacketPlayerAbilitiesReceiving::new),
-        PLAY_COMBAT_EVENT(PacketCombatEvent::new),
-        PLAY_PLAYER_LIST_ITEM(PacketPlayerListItem::new),
-        PLAY_FACE_PLAYER(PacketFacePlayer::new),
-        PLAY_PLAYER_POSITION_AND_ROTATION(PacketPlayerPositionAndRotation::new),
-        PLAY_UNLOCK_RECIPES(PacketUnlockRecipes::new),
-        PLAY_DESTROY_ENTITIES(PacketDestroyEntity::new),
-        PLAY_REMOVE_ENTITY_EFFECT(PacketRemoveEntityStatusEffect::new),
-        PLAY_RESOURCE_PACK_SEND(PacketResourcePackSend::new),
-        PLAY_RESPAWN(PacketRespawn::new, false),
-        PLAY_ENTITY_HEAD_ROTATION(PacketEntityHeadRotation::new),
-        PLAY_SELECT_ADVANCEMENT_TAB(PacketSelectAdvancementTab::new),
-        PLAY_WORLD_BORDER(PacketWorldBorder::new),
-        PLAY_CAMERA(PacketCamera::new),
-        PLAY_HELD_ITEM_CHANGE(PacketHeldItemChangeReceiving::new),
-        PLAY_UPDATE_VIEW_POSITION(PacketUpdateViewPosition::new),
-        PLAY_DISPLAY_SCOREBOARD(PacketScoreboardDisplayScoreboard::new),
-        PLAY_ENTITY_METADATA(PacketEntityMetadata::new),
-        PLAY_ATTACH_ENTITY(PacketAttachEntity::new),
-        PLAY_ENTITY_VELOCITY(PacketEntityVelocity::new),
-        PLAY_ENTITY_EQUIPMENT(PacketEntityEquipment::new),
-        PLAY_SET_EXPERIENCE(PacketSetExperience::new),
-        PLAY_UPDATE_HEALTH(PacketUpdateHealth::new),
-        PLAY_SCOREBOARD_OBJECTIVE(PacketScoreboardObjective::new),
-        PLAY_SET_PASSENGERS(PacketSetPassenger::new),
-        PLAY_TEAMS(PacketTeams::new),
-        PLAY_UPDATE_SCORE(PacketScoreboardUpdateScore::new),
-        PLAY_SPAWN_POSITION(PacketSpawnPosition::new),
-        PLAY_TIME_UPDATE(PacketTimeUpdate::new),
-        PLAY_ENTITY_SOUND_EFFECT(PacketEntitySoundEffect::new),
-        PLAY_SOUND_EFFECT(PacketSoundEffect::new),
-        PLAY_STOP_SOUND(PacketStopSound::new),
-        PLAY_PLAYER_LIST_HEADER_AND_FOOTER(PacketTabHeaderAndFooter::new),
-        PLAY_NBT_QUERY_RESPONSE(PacketNBTQueryResponse::new),
-        PLAY_COLLECT_ITEM(PacketCollectItem::new),
-        PLAY_ENTITY_TELEPORT(PacketEntityTeleport::new, false),
-        PLAY_ADVANCEMENTS(PacketAdvancements::new),
-        PLAY_ENTITY_PROPERTIES(PacketEntityProperties::new),
-        PLAY_ENTITY_EFFECT(PacketEntityEffect::new),
-        PLAY_DECLARE_RECIPES(PacketDeclareRecipes::new),
-        PLAY_TAGS(PacketTags::new),
-        PLAY_USE_BED(PacketUseBed::new),
-        PLAY_UPDATE_VIEW_DISTANCE(PacketUpdateViewDistance::new),
-        PLAY_CHUNK_BULK(PacketChunkBulk::new),
-        PLAY_UPDATE_SIGN(PacketUpdateSignReceiving::new),
-        PLAY_STATISTICS(PacketStatistics::new),
-        PLAY_SPAWN_ENTITY(PacketSpawnObject::new, false),
-        PLAY_TITLE(PacketTitle::new),
-        PLAY_ENTITY_INITIALISATION(PacketEntityInitialisation::new, false),
-        PLAY_SET_COMPRESSION(PacketSetCompression::new, false),
-        PLAY_ADVANCEMENT_PROGRESS(null),
-        PLAY_SCULK_VIBRATION_SIGNAL(PacketSculkVibrationSignal::new);
-
-        private final ConnectionStates state;
-        private final boolean isThreadSafe;
-        private final PacketInstanceCreator creator;
-
-        Clientbound(PacketInstanceCreator creator) {
-            this.state = ConnectionStates.valueOf(name().split("_")[0]);
-            this.creator = creator;
-            this.isThreadSafe = true;
-        }
-
-        Clientbound(PacketInstanceCreator creator, boolean isThreadSafe) {
-            this.state = ConnectionStates.valueOf(name().split("_")[0]);
-            this.creator = creator;
-            this.isThreadSafe = isThreadSafe;
-        }
-
-        public ConnectionStates getState() {
-            return this.state;
-        }
-
-        @Nullable
-        public PacketInstanceCreator getCreator() {
-            return this.creator;
-        }
-
-        public boolean isThreadSafe() {
-            return this.isThreadSafe;
-        }
-    }
-
-    public interface PacketInstanceCreator {
-        ClientboundPacket createNewInstance(InByteBuffer buffer) throws Exception;
-    }
-}
diff --git a/src/main/java/de/bixilon/minosoft/protocol/protocol/PacketTypes.kt b/src/main/java/de/bixilon/minosoft/protocol/protocol/PacketTypes.kt
new file mode 100644
index 000000000..f9da50964
--- /dev/null
+++ b/src/main/java/de/bixilon/minosoft/protocol/protocol/PacketTypes.kt
@@ -0,0 +1,211 @@
+/*
+ * Minosoft
+ * Copyright (C) 2020 Moritz Zwerger
+ *
+ * This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation,
+ either version 3 of the License,
+ or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this program.If not,
+ see <https://www.gnu.org/licenses/>.
+ *
+ * This software is not affiliated with Mojang AB,
+ the original developer of Minecraft.
+ */
+package de.bixilon.minosoft.protocol.protocol
+
+import de.bixilon.minosoft.protocol.ErrorHandler
+import de.bixilon.minosoft.protocol.packets.ClientboundPacket
+import de.bixilon.minosoft.protocol.packets.clientbound.login.*
+import de.bixilon.minosoft.protocol.packets.clientbound.play.*
+import de.bixilon.minosoft.protocol.packets.clientbound.play.title.PacketTitle
+import de.bixilon.minosoft.protocol.packets.clientbound.status.PacketStatusPong
+import de.bixilon.minosoft.protocol.packets.clientbound.status.PacketStatusResponse
+
+class PacketTypes {
+    enum class Serverbound {
+        HANDSHAKING_HANDSHAKE,
+        STATUS_PING,
+        STATUS_REQUEST,
+        LOGIN_LOGIN_START,
+        LOGIN_ENCRYPTION_RESPONSE,
+        LOGIN_PLUGIN_RESPONSE,
+        PLAY_TELEPORT_CONFIRM,
+        PLAY_QUERY_BLOCK_NBT,
+        PLAY_SET_DIFFICULTY,
+        PLAY_CHAT_MESSAGE,
+        PLAY_CLIENT_STATUS,
+        PLAY_CLIENT_SETTINGS,
+        PLAY_TAB_COMPLETE,
+        PLAY_WINDOW_CONFIRMATION,
+        PLAY_CLICK_WINDOW_BUTTON,
+        PLAY_CLICK_WINDOW,
+        PLAY_CLOSE_WINDOW,
+        PLAY_PLUGIN_MESSAGE,
+        PLAY_EDIT_BOOK,
+        PLAY_ENTITY_NBT_REQUEST,
+        PLAY_INTERACT_ENTITY,
+        PLAY_KEEP_ALIVE,
+        PLAY_LOCK_DIFFICULTY,
+        PLAY_PLAYER_POSITION,
+        PLAY_PLAYER_POSITION_AND_ROTATION,
+        PLAY_PLAYER_ROTATION,
+        PLAY_VEHICLE_MOVE,
+        PLAY_STEER_BOAT,
+        PLAY_PICK_ITEM,
+        PLAY_CRAFT_RECIPE_REQUEST,
+        PLAY_PLAYER_ABILITIES,
+        PLAY_PLAYER_DIGGING,
+        PLAY_ENTITY_ACTION,
+        PLAY_STEER_VEHICLE,
+        PLAY_RECIPE_BOOK_DATA,
+        PLAY_NAME_ITEM,
+        PLAY_RESOURCE_PACK_STATUS,
+        PLAY_ADVANCEMENT_TAB,
+        PLAY_SELECT_TRADE,
+        PLAY_SET_BEACON_EFFECT,
+        PLAY_HELD_ITEM_CHANGE,
+        PLAY_UPDATE_COMMAND_BLOCK,
+        PLAY_CREATIVE_INVENTORY_ACTION,
+        PLAY_UPDATE_JIGSAW_BLOCK,
+        PLAY_UPDATE_STRUCTURE_BLOCK,
+        PLAY_UPDATE_SIGN,
+        PLAY_ANIMATION,
+        PLAY_SPECTATE,
+        PLAY_PLAYER_BLOCK_PLACEMENT,
+        PLAY_USE_ITEM,
+        PLAY_UPDATE_COMMAND_BLOCK_MINECART,
+        PLAY_GENERATE_STRUCTURE,
+        PLAY_SET_DISPLAYED_RECIPE,
+        PLAY_SET_RECIPE_BOOK_STATE,
+        PLAY_PLAYER_GROUND_CHANGE,
+        PLAY_PREPARE_CRAFTING_GRID,
+        PLAY_VEHICLE_MOVEMENT,
+        PLAY_QUERY_ENTITY_NBT,
+        ;
+
+        val state: ConnectionStates = ConnectionStates.valueOf(name.split("_".toRegex()).toTypedArray()[0])
+    }
+
+
+    enum class Clientbound(
+        val factory: ((buffer: InByteBuffer) -> ClientboundPacket)? = null,
+        val isThreadSafe: Boolean = true,
+        val errorHandler: ErrorHandler? = null,
+    ) {
+        STATUS_RESPONSE({ PacketStatusResponse(it) }, false),
+        STATUS_PONG({ PacketStatusPong(it) }, false),
+        LOGIN_DISCONNECT({ PacketLoginDisconnect(it) }, false),
+        LOGIN_ENCRYPTION_REQUEST({ PacketEncryptionRequest(it) }, false),
+        LOGIN_LOGIN_SUCCESS({ PacketLoginSuccess(it) }, false),
+        LOGIN_SET_COMPRESSION({ PacketLoginSetCompression(it) }, false),
+        LOGIN_PLUGIN_REQUEST({ PacketLoginPluginRequest(it) }),
+        PLAY_SPAWN_MOB({ PacketSpawnMob(it) }, false),
+        PLAY_SPAWN_EXPERIENCE_ORB({ PacketSpawnExperienceOrb(it) }, false),
+        PLAY_SPAWN_WEATHER_ENTITY({ PacketSpawnWeatherEntity(it) }, false),
+        PLAY_SPAWN_PAINTING({ PacketSpawnPainting(it) }, false),
+        PLAY_SPAWN_PLAYER({ PacketSpawnPlayer(it) }, false),
+        PLAY_ENTITY_ANIMATION({ PacketEntityAnimation(it) }),
+        PLAY_STATS_RESPONSE({ PacketStatistics(it) }),
+        PLAY_ACKNOWLEDGE_PLAYER_DIGGING({ PacketAcknowledgePlayerDigging(it) }),
+        PLAY_BLOCK_BREAK_ANIMATION({ PacketBlockBreakAnimation(it) }),
+        PLAY_BLOCK_ENTITY_DATA({ PacketBlockEntityMetadata(it) }),
+        PLAY_BLOCK_ACTION({ PacketBlockAction(it) }),
+        PLAY_BLOCK_CHANGE({ PacketBlockChange(it) }),
+        PLAY_BOSS_BAR({ PacketBossBar(it) }),
+        PLAY_SERVER_DIFFICULTY({ PacketServerDifficulty(it) }),
+        PLAY_CHAT_MESSAGE({ PacketChatMessageReceiving(it) }),
+        PLAY_MULTIBLOCK_CHANGE({ PacketMultiBlockChange(it) }),
+        PLAY_TAB_COMPLETE({ PacketTabCompleteReceiving(it) }),
+        PLAY_DECLARE_COMMANDS({ PacketDeclareCommands(it) }),
+        PLAY_WINDOW_CONFIRMATION({ PacketConfirmTransactionReceiving(it) }),
+        PLAY_CLOSE_WINDOW({ PacketCloseWindowReceiving(it) }),
+        PLAY_WINDOW_ITEMS({ PacketWindowItems(it) }),
+        PLAY_WINDOW_PROPERTY({ PacketWindowProperty(it) }),
+        PLAY_SET_SLOT({ PacketSetSlot(it) }),
+        PLAY_SET_COOLDOWN({ PacketSetCooldown(it) }),
+        PLAY_PLUGIN_MESSAGE({ PacketPluginMessageReceiving(it) }),
+        PLAY_NAMED_SOUND_EFFECT({ PacketNamedSoundEffect(it) }),
+        PLAY_DISCONNECT({ PacketDisconnect(it) }, false),
+        PLAY_ENTITY_EVENT({ PacketEntityEvent(it) }),
+        PLAY_EXPLOSION({ PacketExplosion(it) }),
+        PLAY_UNLOAD_CHUNK({ PacketUnloadChunk(it) }),
+        PLAY_CHANGE_GAME_STATE({ PacketChangeGameState(it) }),
+        PLAY_OPEN_HORSE_WINDOW({ PacketOpenHorseWindow(it) }),
+        PLAY_KEEP_ALIVE({ PacketKeepAlive(it) }),
+        PLAY_CHUNK_DATA({ PacketChunkData(it) }),
+        PLAY_EFFECT({ PacketEffect(it) }),
+        PLAY_PARTICLE({ PacketParticle(it) }),
+        PLAY_UPDATE_LIGHT({ PacketUpdateLight(it) }),
+        PLAY_JOIN_GAME({ PacketJoinGame(it) }, false, PacketJoinGame),
+        PLAY_MAP_DATA({ PacketMapData(it) }),
+        PLAY_TRADE_LIST({ PacketTradeList(it) }),
+        PLAY_ENTITY_MOVEMENT_AND_ROTATION({ PacketEntityMovementAndRotation(it) }),
+        PLAY_ENTITY_ROTATION({ PacketEntityRotation(it) }),
+        PLAY_ENTITY_MOVEMENT({ PacketEntityMovement(it) }),
+        PLAY_VEHICLE_MOVEMENT({ PacketVehicleMovement(it) }),
+        PLAY_OPEN_BOOK({ PacketOpenBook(it) }),
+        PLAY_OPEN_WINDOW({ PacketOpenWindow(it) }),
+        PLAY_OPEN_SIGN_EDITOR({ PacketOpenSignEditor(it) }),
+        PLAY_CRAFT_RECIPE_RESPONSE({ PacketCraftRecipeResponse(it) }),
+        PLAY_PLAYER_ABILITIES({ PacketPlayerAbilitiesReceiving(it) }),
+        PLAY_COMBAT_EVENT({ PacketCombatEvent(it) }),
+        PLAY_PLAYER_LIST_ITEM({ PacketPlayerListItem(it) }),
+        PLAY_FACE_PLAYER({ PacketFacePlayer(it) }),
+        PLAY_PLAYER_POSITION_AND_ROTATION({ PacketPlayerPositionAndRotation(it) }),
+        PLAY_UNLOCK_RECIPES({ PacketUnlockRecipes(it) }),
+        PLAY_DESTROY_ENTITIES({ PacketDestroyEntity(it) }),
+        PLAY_REMOVE_ENTITY_EFFECT({ PacketRemoveEntityStatusEffect(it) }),
+        PLAY_RESOURCE_PACK_SEND({ PacketResourcePackSend(it) }),
+        PLAY_RESPAWN({ PacketRespawn(it) }, false),
+        PLAY_ENTITY_HEAD_ROTATION({ PacketEntityHeadRotation(it) }),
+        PLAY_SELECT_ADVANCEMENT_TAB({ PacketSelectAdvancementTab(it) }),
+        PLAY_WORLD_BORDER({ PacketWorldBorder(it) }),
+        PLAY_CAMERA({ PacketCamera(it) }),
+        PLAY_HELD_ITEM_CHANGE({ PacketHeldItemChangeReceiving(it) }),
+        PLAY_UPDATE_VIEW_POSITION({ PacketUpdateViewPosition(it) }),
+        PLAY_DISPLAY_SCOREBOARD({ PacketScoreboardDisplayScoreboard(it) }),
+        PLAY_ENTITY_METADATA({ PacketEntityMetadata(it) }),
+        PLAY_ATTACH_ENTITY({ PacketAttachEntity(it) }),
+        PLAY_ENTITY_VELOCITY({ PacketEntityVelocity(it) }),
+        PLAY_ENTITY_EQUIPMENT({ PacketEntityEquipment(it) }),
+        PLAY_SET_EXPERIENCE({ PacketSetExperience(it) }),
+        PLAY_UPDATE_HEALTH({ PacketUpdateHealth(it) }),
+        PLAY_SCOREBOARD_OBJECTIVE({ PacketScoreboardObjective(it) }),
+        PLAY_SET_PASSENGERS({ PacketSetPassenger(it) }),
+        PLAY_TEAMS({ PacketTeams(it) }),
+        PLAY_UPDATE_SCORE({ PacketScoreboardUpdateScore(it) }),
+        PLAY_SPAWN_POSITION({ PacketSpawnPosition(it) }),
+        PLAY_TIME_UPDATE({ PacketTimeUpdate(it) }),
+        PLAY_ENTITY_SOUND_EFFECT({ PacketEntitySoundEffect(it) }),
+        PLAY_SOUND_EFFECT({ PacketSoundEffect(it) }),
+        PLAY_STOP_SOUND({ PacketStopSound(it) }),
+        PLAY_PLAYER_LIST_HEADER_AND_FOOTER({ PacketTabHeaderAndFooter(it) }),
+        PLAY_NBT_QUERY_RESPONSE({ PacketNBTQueryResponse(it) }),
+        PLAY_COLLECT_ITEM({ PacketCollectItem(it) }),
+        PLAY_ENTITY_TELEPORT({ PacketEntityTeleport(it) }, false),
+        PLAY_ADVANCEMENTS({ PacketAdvancements(it) }),
+        PLAY_ENTITY_PROPERTIES({ PacketEntityProperties(it) }),
+        PLAY_ENTITY_EFFECT({ PacketEntityEffect(it) }),
+        PLAY_DECLARE_RECIPES({ PacketDeclareRecipes(it) }),
+        PLAY_TAGS({ PacketTags(it) }),
+        PLAY_USE_BED({ PacketUseBed(it) }),
+        PLAY_UPDATE_VIEW_DISTANCE({ PacketUpdateViewDistance(it) }),
+        PLAY_CHUNK_BULK({ PacketChunkBulk(it) }),
+        PLAY_UPDATE_SIGN({ PacketUpdateSignReceiving(it) }),
+        PLAY_STATISTICS({ PacketStatistics(it) }),
+        PLAY_SPAWN_ENTITY({ PacketSpawnObject(it) }, false),
+        PLAY_TITLE({ PacketTitle(it) }),
+        PLAY_ENTITY_INITIALISATION({ PacketEntityInitialisation(it) }, false),
+        PLAY_SET_COMPRESSION({ PacketSetCompression(it) }, false),
+        PLAY_ADVANCEMENT_PROGRESS({ TODO() }),
+        PLAY_SCULK_VIBRATION_SIGNAL({ PacketSculkVibrationSignal(it) }),
+        ;
+
+
+        val state: ConnectionStates = ConnectionStates.valueOf(name.split("_".toRegex()).toTypedArray()[0])
+    }
+}
diff --git a/src/main/java/de/bixilon/minosoft/util/KUtil.kt b/src/main/java/de/bixilon/minosoft/util/KUtil.kt
index 95968c666..315bebd3e 100644
--- a/src/main/java/de/bixilon/minosoft/util/KUtil.kt
+++ b/src/main/java/de/bixilon/minosoft/util/KUtil.kt
@@ -14,6 +14,7 @@
 package de.bixilon.minosoft.util
 
 import de.bixilon.minosoft.util.enum.AliasableEnum
+import java.util.*
 
 object KUtil {
 
@@ -32,4 +33,8 @@ object KUtil {
 
         return ret.toMap()
     }
+
+    fun bitSetOf(long: Long): BitSet {
+        return BitSet.valueOf(longArrayOf(long))
+    }
 }
diff --git a/src/main/java/de/bixilon/minosoft/util/chunk/LightUtil.kt b/src/main/java/de/bixilon/minosoft/util/chunk/LightUtil.kt
index 09121a405..eaef7467e 100644
--- a/src/main/java/de/bixilon/minosoft/util/chunk/LightUtil.kt
+++ b/src/main/java/de/bixilon/minosoft/util/chunk/LightUtil.kt
@@ -22,14 +22,14 @@ import java.util.*
 
 object LightUtil {
 
-    fun readLightPacket(buffer: InByteBuffer, skyLightMask: LongArray, blockLightMask: LongArray, emptyBlockLightMask: LongArray, emptySkyLightMask: LongArray, dimension: Dimension): LightAccessor {
+    fun readLightPacket(buffer: InByteBuffer, skyLightMask: BitSet, blockLightMask: BitSet, emptyBlockLightMask: BitSet, emptySkyLightMask: BitSet, dimension: Dimension): LightAccessor {
         // ToDo
         val skyLight = if (dimension.hasSkyLight) {
-            readLightArray(buffer, BitSet.valueOf(skyLightMask), dimension)
+            readLightArray(buffer, skyLightMask, dimension)
         } else {
             mutableMapOf()
         }
-        val blockLight = readLightArray(buffer, BitSet.valueOf(blockLightMask), dimension)
+        val blockLight = readLightArray(buffer, blockLightMask, dimension)
         return ChunkLightAccessor(blockLight, skyLight)
     }