packets: Add support for 1.21.11

2025-12-06 07:43:36 +00:00 · 2025-11-07 13:25:18 +01:00
parent fb2beeb5b2
commit 7d5b86fd14
31 changed files with 1390 additions and 0 deletions
--- a/libraries/packets/build.gradle.kts
+++ b/libraries/packets/build.gradle.kts
@@ -21,6 +21,7 @@ dependencies {
    compileOnly("io.papermc.paper:paper-api:1.21.10-R0.1-SNAPSHOT")

    implementation(project(":libraries:packets:packets-api"))
+    implementation(project(":libraries:packets:implementations:1_21_11"))
    implementation(project(":libraries:packets:implementations:1_21_9"))
    implementation(project(":libraries:packets:implementations:1_21_6"))
    implementation(project(":libraries:packets:implementations:1_21_5"))
--- a/libraries/packets/implementations/1_21_11/build.gradle.kts
+++ b/libraries/packets/implementations/1_21_11/build.gradle.kts
@@ -0,0 +1,23 @@
+plugins {
+    id("java-library")
+    id("io.papermc.paperweight.userdev")
+}
+
+paperweight.reobfArtifactConfiguration = io.papermc.paperweight.userdev.ReobfArtifactConfiguration.MOJANG_PRODUCTION
+
+dependencies {
+    paperweight.paperDevBundle("25w45a-R0.1-SNAPSHOT")
+    compileOnly(project(":libraries:packets:packets-api"))
+
+    testImplementation(project(":libraries:packets"))
+    testImplementation(project(":libraries:packets:packets-api"))
+    testImplementation("org.junit.jupiter:junit-jupiter-api:5.12.2")
+    testImplementation("org.junit.jupiter:junit-jupiter-engine:5.12.2")
+    testImplementation("org.junit.platform:junit-platform-console-standalone:1.12.2")
+}
+
+tasks {
+    test {
+        useJUnitPlatform()
+    }
+}
--- a/libraries/packets/implementations/1_21_11/src/main/java/de/oliver/fancysitula/versions/v1_21_11/packets/ClientboundAddEntityPacketImpl.java
+++ b/libraries/packets/implementations/1_21_11/src/main/java/de/oliver/fancysitula/versions/v1_21_11/packets/ClientboundAddEntityPacketImpl.java
@@ -0,0 +1,48 @@
+package de.oliver.fancysitula.versions.v1_21_11.packets;
+
+import de.oliver.fancysitula.api.entities.FS_RealPlayer;
+import de.oliver.fancysitula.api.packets.FS_ClientboundAddEntityPacket;
+import de.oliver.fancysitula.api.utils.AngelConverter;
+import de.oliver.fancysitula.versions.v1_21_11.utils.VanillaPlayerAdapter;
+import net.minecraft.core.registries.BuiltInRegistries;
+import net.minecraft.network.protocol.game.ClientboundAddEntityPacket;
+import net.minecraft.server.level.ServerPlayer;
+import net.minecraft.world.phys.Vec3;
+import org.bukkit.craftbukkit.util.CraftNamespacedKey;
+import org.bukkit.entity.EntityType;
+
+import java.util.UUID;
+
+public class ClientboundAddEntityPacketImpl extends FS_ClientboundAddEntityPacket {
+
+    public ClientboundAddEntityPacketImpl(int entityId, UUID entityUUID, EntityType entityType, double x, double y, double z, float yaw, float pitch, float headYaw, int velocityX, int velocityY, int velocityZ, int data) {
+        super(entityId, entityUUID, entityType, x, y, z, yaw, pitch, headYaw, velocityX, velocityY, velocityZ, data);
+    }
+
+    @Override
+    public Object createPacket() {
+        net.minecraft.world.entity.EntityType<?> vanillaType = BuiltInRegistries.ENTITY_TYPE.getValue(CraftNamespacedKey.toMinecraft(entityType.getKey()));
+
+        return new ClientboundAddEntityPacket(
+                entityId,
+                entityUUID,
+                x,
+                y,
+                z,
+                AngelConverter.degreesToVanillaByte(pitch),
+                AngelConverter.degreesToVanillaByte(yaw),
+                vanillaType,
+                data,
+                new Vec3(velocityX, velocityY, velocityZ),
+                AngelConverter.degreesToVanillaByte(headYaw)
+        );
+    }
+
+    @Override
+    public void sendPacketTo(FS_RealPlayer player) {
+        ClientboundAddEntityPacket packet = (ClientboundAddEntityPacket) createPacket();
+
+        ServerPlayer vanillaPlayer = VanillaPlayerAdapter.asVanilla(player.getBukkitPlayer());
+        vanillaPlayer.connection.send(packet);
+    }
+}
--- a/libraries/packets/implementations/1_21_11/src/main/java/de/oliver/fancysitula/versions/v1_21_11/packets/ClientboundClearDialogPacketImpl.java
+++ b/libraries/packets/implementations/1_21_11/src/main/java/de/oliver/fancysitula/versions/v1_21_11/packets/ClientboundClearDialogPacketImpl.java
@@ -0,0 +1,22 @@
+package de.oliver.fancysitula.versions.v1_21_11.packets;
+
+import de.oliver.fancysitula.api.entities.FS_RealPlayer;
+import de.oliver.fancysitula.api.packets.FS_ClientboundClearDialogPacket;
+import de.oliver.fancysitula.versions.v1_21_11.utils.VanillaPlayerAdapter;
+import net.minecraft.network.protocol.common.ClientboundClearDialogPacket;
+import net.minecraft.server.level.ServerPlayer;
+
+public class ClientboundClearDialogPacketImpl extends FS_ClientboundClearDialogPacket {
+    @Override
+    public Object createPacket() {
+        return ClientboundClearDialogPacket.INSTANCE;
+    }
+
+    @Override
+    protected void sendPacketTo(FS_RealPlayer player) {
+        ClientboundClearDialogPacket packet = (ClientboundClearDialogPacket) createPacket();
+
+        ServerPlayer vanillaPlayer = VanillaPlayerAdapter.asVanilla(player.getBukkitPlayer());
+        vanillaPlayer.connection.send(packet);
+    }
+}
--- a/libraries/packets/implementations/1_21_11/src/main/java/de/oliver/fancysitula/versions/v1_21_11/packets/ClientboundCreateOrUpdateTeamPacketImpl.java
+++ b/libraries/packets/implementations/1_21_11/src/main/java/de/oliver/fancysitula/versions/v1_21_11/packets/ClientboundCreateOrUpdateTeamPacketImpl.java
@@ -0,0 +1,128 @@
+package de.oliver.fancysitula.versions.v1_21_11.packets;
+
+import de.oliver.fancysitula.api.entities.FS_RealPlayer;
+import de.oliver.fancysitula.api.packets.FS_ClientboundCreateOrUpdateTeamPacket;
+import de.oliver.fancysitula.versions.v1_21_11.utils.VanillaPlayerAdapter;
+import io.papermc.paper.adventure.PaperAdventure;
+import net.minecraft.ChatFormatting;
+import net.minecraft.network.protocol.game.ClientboundSetPlayerTeamPacket;
+import net.minecraft.server.level.ServerPlayer;
+import net.minecraft.world.scores.PlayerTeam;
+import net.minecraft.world.scores.Scoreboard;
+import net.minecraft.world.scores.Team;
+
+public class ClientboundCreateOrUpdateTeamPacketImpl extends FS_ClientboundCreateOrUpdateTeamPacket {
+
+    private static final Scoreboard SCOREBOARD = new Scoreboard();
+
+    public ClientboundCreateOrUpdateTeamPacketImpl(String teamName, CreateTeam createTeam) {
+        super(teamName, createTeam);
+    }
+
+    public ClientboundCreateOrUpdateTeamPacketImpl(String teamName, RemoveTeam removeTeam) {
+        super(teamName, removeTeam);
+    }
+
+    public ClientboundCreateOrUpdateTeamPacketImpl(String teamName, UpdateTeam updateTeam) {
+        super(teamName, updateTeam);
+    }
+
+    public ClientboundCreateOrUpdateTeamPacketImpl(String teamName, AddEntity addEntity) {
+        super(teamName, addEntity);
+    }
+
+    public ClientboundCreateOrUpdateTeamPacketImpl(String teamName, RemoveEntity removeEntity) {
+        super(teamName, removeEntity);
+    }
+
+    @Override
+    public Object createPacket() {
+        return switch (method) {
+            case CREATE_TEAM -> createCreateTeamPacket();
+            case REMOVE_TEAM -> createRemoveTeamPacket();
+            case UPDATE_TEAM -> createUpdateTeamPacket();
+            case ADD_ENTITY -> createAddEntityPacket();
+            case REMOVE_ENTITY -> createRemoveEntityPacket();
+        };
+    }
+
+    private Object createCreateTeamPacket() {
+        if (createTeam == null) {
+            return null;
+        }
+
+        PlayerTeam playerTeam = new PlayerTeam(SCOREBOARD, teamName);
+        playerTeam.setDisplayName(PaperAdventure.asVanilla(createTeam.getDisplayName()));
+        playerTeam.setAllowFriendlyFire(createTeam.isAllowFriendlyFire());
+        playerTeam.setSeeFriendlyInvisibles(createTeam.isCanSeeFriendlyInvisibles());
+        playerTeam.setNameTagVisibility(Team.Visibility.valueOf(createTeam.getNameTagVisibility().getName()));
+        playerTeam.setCollisionRule(PlayerTeam.CollisionRule.valueOf(createTeam.getCollisionRule().getName()));
+        playerTeam.setColor(ChatFormatting.getById(createTeam.getColor().getId()));
+        playerTeam.setPlayerPrefix(PaperAdventure.asVanilla(createTeam.getPrefix()));
+        playerTeam.setPlayerSuffix(PaperAdventure.asVanilla(createTeam.getSuffix()));
+        for (String entity : createTeam.getEntities()) {
+            playerTeam.getPlayers().add(entity);
+        }
+
+        return ClientboundSetPlayerTeamPacket.createAddOrModifyPacket(playerTeam, true);
+    }
+
+    private Object createRemoveTeamPacket() {
+        if (removeTeam == null) {
+            return null;
+        }
+
+        PlayerTeam playerTeam = new PlayerTeam(SCOREBOARD, teamName);
+        return ClientboundSetPlayerTeamPacket.createRemovePacket(playerTeam);
+    }
+
+    private Object createUpdateTeamPacket() {
+        if (updateTeam == null) {
+            return null;
+        }
+
+        PlayerTeam playerTeam = new PlayerTeam(SCOREBOARD, teamName);
+        playerTeam.setDisplayName(PaperAdventure.asVanilla(updateTeam.getDisplayName()));
+        playerTeam.setAllowFriendlyFire(updateTeam.isAllowFriendlyFire());
+        playerTeam.setSeeFriendlyInvisibles(updateTeam.isCanSeeFriendlyInvisibles());
+        playerTeam.setNameTagVisibility(Team.Visibility.valueOf(updateTeam.getNameTagVisibility().getName()));
+        playerTeam.setCollisionRule(PlayerTeam.CollisionRule.valueOf(updateTeam.getCollisionRule().getName()));
+        playerTeam.setColor(ChatFormatting.getById(updateTeam.getColor().getId()));
+        playerTeam.setPlayerPrefix(PaperAdventure.asVanilla(updateTeam.getPrefix()));
+        playerTeam.setPlayerSuffix(PaperAdventure.asVanilla(updateTeam.getSuffix()));
+
+        return ClientboundSetPlayerTeamPacket.createAddOrModifyPacket(playerTeam, true);
+    }
+
+    private Object createAddEntityPacket() {
+        if (addEntity == null) {
+            return null;
+        }
+
+        PlayerTeam playerTeam = new PlayerTeam(SCOREBOARD, teamName);
+        for (String entity : addEntity.getEntities()) {
+            playerTeam.getPlayers().add(entity);
+        }
+        return ClientboundSetPlayerTeamPacket.createMultiplePlayerPacket(playerTeam, addEntity.getEntities(), ClientboundSetPlayerTeamPacket.Action.ADD);
+    }
+
+    private Object createRemoveEntityPacket() {
+        if (removeEntity == null) {
+            return null;
+        }
+
+        PlayerTeam playerTeam = new PlayerTeam(SCOREBOARD, teamName);
+        for (String entity : removeEntity.getEntities()) {
+            playerTeam.getPlayers().add(entity);
+        }
+        return ClientboundSetPlayerTeamPacket.createMultiplePlayerPacket(playerTeam, removeEntity.getEntities(), ClientboundSetPlayerTeamPacket.Action.REMOVE);
+    }
+
+    @Override
+    protected void sendPacketTo(FS_RealPlayer player) {
+        ClientboundSetPlayerTeamPacket packet = (ClientboundSetPlayerTeamPacket) createPacket();
+
+        ServerPlayer vanillaPlayer = VanillaPlayerAdapter.asVanilla(player.getBukkitPlayer());
+        vanillaPlayer.connection.send(packet);
+    }
+}
--- a/libraries/packets/implementations/1_21_11/src/main/java/de/oliver/fancysitula/versions/v1_21_11/packets/ClientboundPlayerInfoRemovePacketImpl.java
+++ b/libraries/packets/implementations/1_21_11/src/main/java/de/oliver/fancysitula/versions/v1_21_11/packets/ClientboundPlayerInfoRemovePacketImpl.java
@@ -0,0 +1,30 @@
+package de.oliver.fancysitula.versions.v1_21_11.packets;
+
+import de.oliver.fancysitula.api.entities.FS_RealPlayer;
+import de.oliver.fancysitula.api.packets.FS_ClientboundPlayerInfoRemovePacket;
+import de.oliver.fancysitula.versions.v1_21_11.utils.VanillaPlayerAdapter;
+import net.minecraft.network.protocol.game.ClientboundPlayerInfoRemovePacket;
+import net.minecraft.server.level.ServerPlayer;
+
+import java.util.List;
+import java.util.UUID;
+
+public class ClientboundPlayerInfoRemovePacketImpl extends FS_ClientboundPlayerInfoRemovePacket {
+
+    public ClientboundPlayerInfoRemovePacketImpl(List<UUID> uuids) {
+        super(uuids);
+    }
+
+    @Override
+    public Object createPacket() {
+        return new ClientboundPlayerInfoRemovePacket(uuids);
+    }
+
+    @Override
+    public void sendPacketTo(FS_RealPlayer player) {
+        ClientboundPlayerInfoRemovePacket packet = (ClientboundPlayerInfoRemovePacket) createPacket();
+
+        ServerPlayer vanillaPlayer = VanillaPlayerAdapter.asVanilla(player.getBukkitPlayer());
+        vanillaPlayer.connection.send(packet);
+    }
+}
--- a/libraries/packets/implementations/1_21_11/src/main/java/de/oliver/fancysitula/versions/v1_21_11/packets/ClientboundPlayerInfoUpdatePacketImpl.java
+++ b/libraries/packets/implementations/1_21_11/src/main/java/de/oliver/fancysitula/versions/v1_21_11/packets/ClientboundPlayerInfoUpdatePacketImpl.java
@@ -0,0 +1,54 @@
+package de.oliver.fancysitula.versions.v1_21_11.packets;
+
+import de.oliver.fancysitula.api.entities.FS_RealPlayer;
+import de.oliver.fancysitula.api.packets.FS_ClientboundPlayerInfoUpdatePacket;
+import de.oliver.fancysitula.versions.v1_21_11.utils.GameProfileImpl;
+import de.oliver.fancysitula.versions.v1_21_11.utils.VanillaPlayerAdapter;
+import io.papermc.paper.adventure.PaperAdventure;
+import net.minecraft.network.protocol.game.ClientboundPlayerInfoUpdatePacket;
+import net.minecraft.server.level.ServerPlayer;
+import net.minecraft.world.level.GameType;
+
+import java.util.ArrayList;
+import java.util.EnumSet;
+import java.util.List;
+
+public class ClientboundPlayerInfoUpdatePacketImpl extends FS_ClientboundPlayerInfoUpdatePacket {
+
+    public ClientboundPlayerInfoUpdatePacketImpl(EnumSet<Action> actions, List<Entry> entries) {
+        super(actions, entries);
+    }
+
+    @Override
+    public Object createPacket() {
+        EnumSet<ClientboundPlayerInfoUpdatePacket.Action> vanillaActions = EnumSet.noneOf(ClientboundPlayerInfoUpdatePacket.Action.class);
+        for (FS_ClientboundPlayerInfoUpdatePacket.Action action : actions) {
+            vanillaActions.add(ClientboundPlayerInfoUpdatePacket.Action.valueOf(action.name()));
+        }
+
+        List<ClientboundPlayerInfoUpdatePacket.Entry> entries = new ArrayList<>();
+        for (Entry entry : this.entries) {
+            entries.add(new ClientboundPlayerInfoUpdatePacket.Entry(
+                    entry.uuid(),
+                    GameProfileImpl.asVanilla(entry.profile()),
+                    entry.listed(),
+                    entry.latency(),
+                    GameType.byId(entry.gameMode().getId()),
+                    PaperAdventure.asVanilla(entry.displayName()),
+                    true,
+                    -1,
+                    null // TODO: Add ChatSession support
+            ));
+        }
+
+        return new ClientboundPlayerInfoUpdatePacket(vanillaActions, entries);
+    }
+
+    @Override
+    public void sendPacketTo(FS_RealPlayer player) {
+        ClientboundPlayerInfoUpdatePacket packet = (ClientboundPlayerInfoUpdatePacket) createPacket();
+
+        ServerPlayer vanillaPlayer = VanillaPlayerAdapter.asVanilla(player.getBukkitPlayer());
+        vanillaPlayer.connection.send(packet);
+    }
+}
--- a/libraries/packets/implementations/1_21_11/src/main/java/de/oliver/fancysitula/versions/v1_21_11/packets/ClientboundRemoveEntitiesPacketImpl.java
+++ b/libraries/packets/implementations/1_21_11/src/main/java/de/oliver/fancysitula/versions/v1_21_11/packets/ClientboundRemoveEntitiesPacketImpl.java
@@ -0,0 +1,37 @@
+package de.oliver.fancysitula.versions.v1_21_11.packets;
+
+import de.oliver.fancysitula.api.entities.FS_RealPlayer;
+import de.oliver.fancysitula.api.packets.FS_ClientboundRemoveEntitiesPacket;
+import de.oliver.fancysitula.versions.v1_21_11.utils.VanillaPlayerAdapter;
+import net.minecraft.network.protocol.game.ClientboundRemoveEntitiesPacket;
+import net.minecraft.server.level.ServerPlayer;
+
+import java.util.List;
+
+public class ClientboundRemoveEntitiesPacketImpl extends FS_ClientboundRemoveEntitiesPacket {
+
+    /**
+     * @param entityIds IDs of the entities to remove
+     */
+    public ClientboundRemoveEntitiesPacketImpl(List<Integer> entityIds) {
+        super(entityIds);
+    }
+
+    @Override
+    public Object createPacket() {
+        int[] ids = new int[this.entityIds.size()];
+        for (int i = 0; i < this.entityIds.size(); i++) {
+            ids[i] = this.entityIds.get(i);
+        }
+
+        return new ClientboundRemoveEntitiesPacket(ids);
+    }
+
+    @Override
+    public void sendPacketTo(FS_RealPlayer player) {
+        ClientboundRemoveEntitiesPacket packet = (ClientboundRemoveEntitiesPacket) createPacket();
+
+        ServerPlayer vanillaPlayer = VanillaPlayerAdapter.asVanilla(player.getBukkitPlayer());
+        vanillaPlayer.connection.send(packet);
+    }
+}
--- a/libraries/packets/implementations/1_21_11/src/main/java/de/oliver/fancysitula/versions/v1_21_11/packets/ClientboundRotateHeadPacketImpl.java
+++ b/libraries/packets/implementations/1_21_11/src/main/java/de/oliver/fancysitula/versions/v1_21_11/packets/ClientboundRotateHeadPacketImpl.java
@@ -0,0 +1,38 @@
+package de.oliver.fancysitula.versions.v1_21_11.packets;
+
+import de.oliver.fancysitula.api.entities.FS_RealPlayer;
+import de.oliver.fancysitula.api.packets.FS_ClientboundRotateHeadPacket;
+import de.oliver.fancysitula.api.utils.AngelConverter;
+import de.oliver.fancysitula.api.utils.reflections.ReflectionUtils;
+import de.oliver.fancysitula.versions.v1_21_11.utils.VanillaPlayerAdapter;
+import net.minecraft.network.protocol.game.ClientboundRotateHeadPacket;
+import net.minecraft.server.level.ServerPlayer;
+
+public class ClientboundRotateHeadPacketImpl extends FS_ClientboundRotateHeadPacket {
+
+    public ClientboundRotateHeadPacketImpl(int entityId, float headYaw) {
+        super(entityId, headYaw);
+    }
+
+    @Override
+    public Object createPacket() {
+        ClientboundRotateHeadPacket packet = null;
+
+        try {
+            packet = ReflectionUtils.createUnsafeInstance(ClientboundRotateHeadPacket.class);
+            ReflectionUtils.setFinalField(packet, "entityId", entityId);
+            ReflectionUtils.setFinalField(packet, "yHeadRot", AngelConverter.degreesToVanillaByte(headYaw));
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+        return packet;
+    }
+
+    @Override
+    public void sendPacketTo(FS_RealPlayer player) {
+        ClientboundRotateHeadPacket packet = (ClientboundRotateHeadPacket) createPacket();
+
+        ServerPlayer vanillaPlayer = VanillaPlayerAdapter.asVanilla(player.getBukkitPlayer());
+        vanillaPlayer.connection.send(packet);
+    }
+}
--- a/libraries/packets/implementations/1_21_11/src/main/java/de/oliver/fancysitula/versions/v1_21_11/packets/ClientboundSetEntityDataPacketImpl.java
+++ b/libraries/packets/implementations/1_21_11/src/main/java/de/oliver/fancysitula/versions/v1_21_11/packets/ClientboundSetEntityDataPacketImpl.java
@@ -0,0 +1,67 @@
+package de.oliver.fancysitula.versions.v1_21_11.packets;
+
+import de.oliver.fancysitula.api.entities.FS_RealPlayer;
+import de.oliver.fancysitula.api.packets.FS_ClientboundSetEntityDataPacket;
+import de.oliver.fancysitula.api.utils.reflections.ReflectionUtils;
+import de.oliver.fancysitula.versions.v1_21_11.utils.VanillaPlayerAdapter;
+import io.papermc.paper.adventure.PaperAdventure;
+import net.kyori.adventure.text.Component;
+import net.minecraft.network.protocol.game.ClientboundSetEntityDataPacket;
+import net.minecraft.network.syncher.SynchedEntityData;
+import net.minecraft.server.level.ServerPlayer;
+import org.bukkit.block.BlockState;
+import org.bukkit.craftbukkit.block.CraftBlockState;
+import org.bukkit.inventory.ItemStack;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class ClientboundSetEntityDataPacketImpl extends FS_ClientboundSetEntityDataPacket {
+
+    public ClientboundSetEntityDataPacketImpl(int entityId, List<EntityData> entityData) {
+        super(entityId, entityData);
+    }
+
+    @Override
+    public Object createPacket() {
+        List<SynchedEntityData.DataValue<?>> dataValues = new ArrayList<>();
+        for (EntityData data : entityData) {
+            try {
+                Class<?> entityClass = Class.forName(data.getAccessor().entityClassName());
+                net.minecraft.network.syncher.EntityDataAccessor<Object> accessor = ReflectionUtils.getStaticField(entityClass, data.getAccessor().accessorFieldName());
+
+                Object vanillaValue = data.getValue();
+
+                if (data.getValue() == null) {
+                    continue;
+                }
+
+                if (data.getValue() instanceof Component c) {
+                    vanillaValue = PaperAdventure.asVanilla(c);
+                }
+
+                if (data.getValue() instanceof ItemStack i) {
+                    vanillaValue = net.minecraft.world.item.ItemStack.fromBukkitCopy(i);
+                }
+
+                if (data.getValue() instanceof BlockState b) {
+                    vanillaValue = ((CraftBlockState) b).getHandle();
+                }
+
+                dataValues.add(SynchedEntityData.DataValue.create(accessor, vanillaValue));
+            } catch (ClassNotFoundException | NoSuchFieldException | IllegalAccessException e) {
+                e.printStackTrace();
+            }
+        }
+
+        return new ClientboundSetEntityDataPacket(entityId, dataValues);
+    }
+
+    @Override
+    public void sendPacketTo(FS_RealPlayer player) {
+        ClientboundSetEntityDataPacket packet = (ClientboundSetEntityDataPacket) createPacket();
+
+        ServerPlayer vanillaPlayer = VanillaPlayerAdapter.asVanilla(player.getBukkitPlayer());
+        vanillaPlayer.connection.send(packet);
+    }
+}
--- a/libraries/packets/implementations/1_21_11/src/main/java/de/oliver/fancysitula/versions/v1_21_11/packets/ClientboundSetEquipmentPacketImpl.java
+++ b/libraries/packets/implementations/1_21_11/src/main/java/de/oliver/fancysitula/versions/v1_21_11/packets/ClientboundSetEquipmentPacketImpl.java
@@ -0,0 +1,45 @@
+package de.oliver.fancysitula.versions.v1_21_11.packets;
+
+import com.mojang.datafixers.util.Pair;
+import de.oliver.fancysitula.api.entities.FS_RealPlayer;
+import de.oliver.fancysitula.api.packets.FS_ClientboundSetEquipmentPacket;
+import de.oliver.fancysitula.api.utils.FS_EquipmentSlot;
+import de.oliver.fancysitula.versions.v1_21_11.utils.VanillaPlayerAdapter;
+import net.minecraft.network.protocol.game.ClientboundSetEquipmentPacket;
+import net.minecraft.server.level.ServerPlayer;
+import net.minecraft.world.entity.EquipmentSlot;
+import org.bukkit.craftbukkit.inventory.CraftItemStack;
+import org.bukkit.inventory.ItemStack;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+
+public class ClientboundSetEquipmentPacketImpl extends FS_ClientboundSetEquipmentPacket {
+
+    public ClientboundSetEquipmentPacketImpl(int entityId, Map<FS_EquipmentSlot, ItemStack> equipment) {
+        super(entityId, equipment);
+    }
+
+    @Override
+    public Object createPacket() {
+        List<Pair<net.minecraft.world.entity.EquipmentSlot, net.minecraft.world.item.ItemStack>> slots = new ArrayList<>();
+
+        for (Map.Entry<FS_EquipmentSlot, ItemStack> entry : equipment.entrySet()) {
+            EquipmentSlot equipmentSlot = net.minecraft.world.entity.EquipmentSlot.byName(entry.getKey().name().toLowerCase());
+            net.minecraft.world.item.ItemStack itemStack = CraftItemStack.asNMSCopy(entry.getValue());
+
+            slots.add(Pair.of(equipmentSlot, itemStack));
+        }
+
+        return new ClientboundSetEquipmentPacket(entityId, slots);
+    }
+
+    @Override
+    public void sendPacketTo(FS_RealPlayer player) {
+        ClientboundSetEquipmentPacket packet = (ClientboundSetEquipmentPacket) createPacket();
+
+        ServerPlayer vanillaPlayer = VanillaPlayerAdapter.asVanilla(player.getBukkitPlayer());
+        vanillaPlayer.connection.send(packet);
+    }
+}
--- a/libraries/packets/implementations/1_21_11/src/main/java/de/oliver/fancysitula/versions/v1_21_11/packets/ClientboundSetPassengersPacketImpl.java
+++ b/libraries/packets/implementations/1_21_11/src/main/java/de/oliver/fancysitula/versions/v1_21_11/packets/ClientboundSetPassengersPacketImpl.java
@@ -0,0 +1,45 @@
+package de.oliver.fancysitula.versions.v1_21_11.packets;
+
+import de.oliver.fancysitula.api.entities.FS_RealPlayer;
+import de.oliver.fancysitula.api.packets.FS_ClientboundSetPassengersPacket;
+import de.oliver.fancysitula.api.utils.reflections.ReflectionUtils;
+import de.oliver.fancysitula.versions.v1_21_11.utils.VanillaPlayerAdapter;
+import net.minecraft.network.protocol.game.ClientboundSetPassengersPacket;
+import net.minecraft.server.level.ServerPlayer;
+
+import java.util.List;
+
+public class ClientboundSetPassengersPacketImpl extends FS_ClientboundSetPassengersPacket {
+
+    public ClientboundSetPassengersPacketImpl(int entityId, List<Integer> passengers) {
+        super(entityId, passengers);
+    }
+
+
+    @Override
+    public Object createPacket() {
+        int[] passengers = new int[this.passengers.size()];
+        for (int i = 0; i < this.passengers.size(); i++) {
+            passengers[i] = this.passengers.get(i);
+        }
+
+        try {
+            ClientboundSetPassengersPacket packet = ReflectionUtils.createUnsafeInstance(ClientboundSetPassengersPacket.class);
+            ReflectionUtils.setFinalField(packet, "vehicle", entityId);
+            ReflectionUtils.setFinalField(packet, "passengers", passengers);
+            return packet;
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+
+        return null;
+    }
+
+    @Override
+    public void sendPacketTo(FS_RealPlayer player) {
+        ClientboundSetPassengersPacket packet = (ClientboundSetPassengersPacket) createPacket();
+
+        ServerPlayer vanillaPlayer = VanillaPlayerAdapter.asVanilla(player.getBukkitPlayer());
+        vanillaPlayer.connection.send(packet);
+    }
+}
--- a/libraries/packets/implementations/1_21_11/src/main/java/de/oliver/fancysitula/versions/v1_21_11/packets/ClientboundShowDialogPacketImpl.java
+++ b/libraries/packets/implementations/1_21_11/src/main/java/de/oliver/fancysitula/versions/v1_21_11/packets/ClientboundShowDialogPacketImpl.java
@@ -0,0 +1,276 @@
+package de.oliver.fancysitula.versions.v1_21_11.packets;
+
+import de.oliver.fancysitula.api.dialogs.FS_CommonDialogData;
+import de.oliver.fancysitula.api.dialogs.FS_Dialog;
+import de.oliver.fancysitula.api.dialogs.FS_DialogAction;
+import de.oliver.fancysitula.api.dialogs.actions.FS_CommonButtonData;
+import de.oliver.fancysitula.api.dialogs.actions.FS_DialogActionButton;
+import de.oliver.fancysitula.api.dialogs.actions.FS_DialogCustomAction;
+import de.oliver.fancysitula.api.dialogs.body.FS_DialogBody;
+import de.oliver.fancysitula.api.dialogs.body.FS_DialogItemBody;
+import de.oliver.fancysitula.api.dialogs.body.FS_DialogTextBody;
+import de.oliver.fancysitula.api.dialogs.inputs.*;
+import de.oliver.fancysitula.api.dialogs.types.FS_ConfirmationDialog;
+import de.oliver.fancysitula.api.dialogs.types.FS_DialogListDialog;
+import de.oliver.fancysitula.api.dialogs.types.FS_MultiActionDialog;
+import de.oliver.fancysitula.api.dialogs.types.FS_NoticeDialog;
+import de.oliver.fancysitula.api.entities.FS_RealPlayer;
+import de.oliver.fancysitula.api.packets.FS_ClientboundShowDialogPacket;
+import de.oliver.fancysitula.versions.v1_21_11.utils.VanillaPlayerAdapter;
+import io.papermc.paper.adventure.PaperAdventure;
+import net.kyori.adventure.key.Key;
+import net.kyori.adventure.text.minimessage.MiniMessage;
+import net.minecraft.core.Holder;
+import net.minecraft.core.HolderSet;
+import net.minecraft.nbt.CompoundTag;
+import net.minecraft.network.chat.Component;
+import net.minecraft.network.protocol.common.ClientboundShowDialogPacket;
+import net.minecraft.resources.Identifier;
+import net.minecraft.server.dialog.*;
+import net.minecraft.server.dialog.action.Action;
+import net.minecraft.server.dialog.action.CustomAll;
+import net.minecraft.server.dialog.body.DialogBody;
+import net.minecraft.server.dialog.body.ItemBody;
+import net.minecraft.server.dialog.body.PlainMessage;
+import net.minecraft.server.dialog.input.*;
+import net.minecraft.server.level.ServerPlayer;
+import org.bukkit.craftbukkit.inventory.CraftItemStack;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Optional;
+
+public class ClientboundShowDialogPacketImpl extends FS_ClientboundShowDialogPacket {
+
+    public ClientboundShowDialogPacketImpl(FS_Dialog dialog) {
+        super(dialog);
+    }
+
+    @Override
+    public Object createPacket() {
+        Holder<Dialog> holder = Holder.direct(toNms(dialog));
+        return new ClientboundShowDialogPacket(holder);
+    }
+
+    @Override
+    protected void sendPacketTo(FS_RealPlayer player) {
+        ClientboundShowDialogPacket packet = (ClientboundShowDialogPacket) createPacket();
+
+        ServerPlayer vanillaPlayer = VanillaPlayerAdapter.asVanilla(player.getBukkitPlayer());
+        vanillaPlayer.connection.send(packet);
+    }
+
+    private Dialog toNms(FS_Dialog dialog) {
+        if (dialog instanceof FS_NoticeDialog notice) {
+            return noticeToNms(notice);
+        } else if (dialog instanceof FS_ConfirmationDialog confirmation) {
+            return confirmationToNms(confirmation);
+        } else if (dialog instanceof FS_DialogListDialog dialogList) {
+            return dialogListToNms(dialogList);
+        } else if (dialog instanceof FS_MultiActionDialog multiActionDialog) {
+            return multiActionDialogToNms(multiActionDialog);
+        }
+
+        return null;
+    }
+
+    private Dialog noticeToNms(FS_NoticeDialog notice) {
+        CommonDialogData common = commonToNms(notice.getDialogData());
+        ActionButton actionButton = actionButtonToNms(notice.getActionButton());
+
+        return new NoticeDialog(common, actionButton);
+    }
+
+    private Dialog confirmationToNms(FS_ConfirmationDialog notice) {
+        CommonDialogData common = commonToNms(notice.getDialogData());
+        ActionButton yes = actionButtonToNms(notice.getYesButton());
+        ActionButton no = actionButtonToNms(notice.getNoButton());
+
+        return new ConfirmationDialog(common, yes, no);
+    }
+
+    private Dialog dialogListToNms(FS_DialogListDialog dialogList) {
+        CommonDialogData common = commonToNms(dialogList.getDialogData());
+        List<Holder<Dialog>> dialogs = new ArrayList<>();
+
+        for (FS_Dialog dialog : dialogList.getDialogs()) {
+            dialogs.add(Holder.direct(toNms(dialog)));
+        }
+
+        HolderSet<Dialog> dialogSet = HolderSet.direct(dialogs);
+
+        Optional<ActionButton> exitButton = dialogList.getExitButton() != null ?
+                Optional.of(actionButtonToNms(dialogList.getExitButton())) :
+                Optional.empty();
+
+        return new DialogListDialog(common, dialogSet, exitButton, dialogList.getColumns(), dialogList.getButtonWidth());
+    }
+
+    private Dialog multiActionDialogToNms(FS_MultiActionDialog multiActionDialog) {
+        CommonDialogData common = commonToNms(multiActionDialog.getDialogData());
+        List<ActionButton> actionButtons = new ArrayList<>();
+
+        for (FS_DialogActionButton actionButton : multiActionDialog.getActions()) {
+            actionButtons.add(actionButtonToNms(actionButton));
+        }
+
+        Optional<ActionButton> exitAction = multiActionDialog.getExitAction() != null ?
+                Optional.of(actionButtonToNms(multiActionDialog.getExitAction())) :
+                Optional.empty();
+
+        return new MultiActionDialog(common, actionButtons, exitAction, multiActionDialog.getColumns());
+    }
+
+    private CommonDialogData commonToNms(FS_CommonDialogData dialogData) {
+        Component title = PaperAdventure.asVanilla(MiniMessage.miniMessage().deserialize(dialogData.getTitle()));
+
+        Optional<Component> externalTitle = dialogData.getExternalTitle() != null ?
+                Optional.of(PaperAdventure.asVanilla(MiniMessage.miniMessage().deserialize(dialogData.getExternalTitle()))) :
+                Optional.empty();
+
+        return new CommonDialogData(
+                title,
+                externalTitle,
+                dialogData.isCanCloseWithEscape(),
+                dialogData.isPause(),
+                actionToNms(dialogData.getAfterAction()),
+                bodyToNms(dialogData.getBody()),
+                inputsToNms(dialogData.getInputs())
+        );
+    }
+
+    private DialogAction actionToNms(FS_DialogAction dialogAction) {
+        return switch (dialogAction) {
+            case CLOSE -> DialogAction.CLOSE;
+            case NONE -> DialogAction.NONE;
+            case WAIT_FOR_RESPONSE -> DialogAction.WAIT_FOR_RESPONSE;
+        };
+    }
+
+    private List<DialogBody> bodyToNms(List<FS_DialogBody> bodies) {
+        List<DialogBody> nmsBodies = new ArrayList<>();
+
+        for (FS_DialogBody body : bodies) {
+            if (body instanceof FS_DialogTextBody textBody) {
+                nmsBodies.add(new PlainMessage(
+                        PaperAdventure.asVanilla(MiniMessage.miniMessage().deserialize(textBody.getText())),
+                        textBody.getWidth()
+                ));
+            } else if (body instanceof FS_DialogItemBody itemBody) {
+                Optional<PlainMessage> description = itemBody.getDescription() != null ?
+                        Optional.of(new PlainMessage(
+                                PaperAdventure.asVanilla(MiniMessage.miniMessage().deserialize(itemBody.getDescription().getText())),
+                                itemBody.getDescription().getWidth()
+                        )) :
+                        Optional.empty();
+
+                nmsBodies.add(new ItemBody(
+                        CraftItemStack.asNMSCopy(itemBody.getItem()),
+                        description,
+                        itemBody.isShowDecorations(),
+                        itemBody.isShowTooltip(),
+                        itemBody.getWidth(),
+                        itemBody.getHeight()
+                ));
+            }
+        }
+
+        return nmsBodies;
+    }
+
+    private List<Input> inputsToNms(List<FS_DialogInput> inputs) {
+        List<Input> nmsInputs = new ArrayList<>();
+
+        for (FS_DialogInput input : inputs) {
+            String key = input.getKey();
+
+            InputControl control = null;
+            if (input.getControl() instanceof FS_DialogBooleanInput booleanInput) {
+                control = new BooleanInput(
+                        PaperAdventure.asVanilla(MiniMessage.miniMessage().deserialize(booleanInput.getLabel())),
+                        booleanInput.isInitial(),
+                        booleanInput.getOnTrue(),
+                        booleanInput.getOnFalse()
+                );
+            } else if (input.getControl() instanceof FS_DialogNumberRangeInput numberRangeInput) {
+                control = new NumberRangeInput(
+                        numberRangeInput.getWidth(),
+                        PaperAdventure.asVanilla(MiniMessage.miniMessage().deserialize(numberRangeInput.getLabel())),
+                        numberRangeInput.getLabelFormat(),
+                        new NumberRangeInput.RangeInfo(
+                                numberRangeInput.getStart(),
+                                numberRangeInput.getEnd(),
+                                numberRangeInput.getInitial() != null ? Optional.of(numberRangeInput.getInitial()) : Optional.empty(),
+                                numberRangeInput.getStep() != null ? Optional.of(numberRangeInput.getStep()) : Optional.empty()
+                        )
+                );
+            } else if (input.getControl() instanceof FS_DialogSingleOptionInput singleOptionInput) {
+                List<SingleOptionInput.Entry> nmsEntries = new ArrayList<>();
+                for (FS_DialogSingleOptionInput.Entry entry : singleOptionInput.getEntries()) {
+                    nmsEntries.add(new SingleOptionInput.Entry(
+                            entry.getId(),
+                            entry.getDisplay() != null ? Optional.of(PaperAdventure.asVanilla(MiniMessage.miniMessage().deserialize(entry.getDisplay()))) : Optional.empty(),
+                            entry.isInitial()
+                    ));
+                }
+
+                control = new SingleOptionInput(
+                        singleOptionInput.getWidth(),
+                        nmsEntries,
+                        PaperAdventure.asVanilla(MiniMessage.miniMessage().deserialize(singleOptionInput.getLabel())),
+                        singleOptionInput.isLabelVisible()
+                );
+            } else if (input.getControl() instanceof FS_DialogTextInput textInput) {
+                control = new TextInput(
+                        textInput.getWidth(),
+                        PaperAdventure.asVanilla(MiniMessage.miniMessage().deserialize(textInput.getLabel())),
+                        textInput.isLabelVisible(),
+                        textInput.getInitial(),
+                        textInput.getMaxLength(),
+                        Optional.empty()
+                );
+            }
+
+            nmsInputs.add(new Input(key, control));
+        }
+
+        return nmsInputs;
+    }
+
+    private ActionButton actionButtonToNms(FS_DialogActionButton actionButton) {
+        CommonButtonData buttonData = commonButtonDataToNms(actionButton.getButtonData());
+
+        Action action = null;
+        if (actionButton.getAction() instanceof FS_DialogCustomAction customAction) {
+            Key idKey = Key.key("fancysitula", customAction.getId());
+            Identifier idLocation = PaperAdventure.asVanilla(idKey);
+
+            Optional<CompoundTag> additions;
+            if (customAction.getAdditions() != null) {
+                CompoundTag tag = new CompoundTag();
+                customAction.getAdditions().forEach(tag::putString);
+                additions = Optional.of(tag);
+            } else {
+                additions = Optional.empty();
+            }
+
+            action = new CustomAll(idLocation, additions);
+        }
+
+        Optional<Action> optionalAction = action != null ?
+                Optional.of(action) :
+                Optional.empty();
+
+        return new ActionButton(buttonData, optionalAction);
+    }
+
+    private CommonButtonData commonButtonDataToNms(FS_CommonButtonData commonButtonData) {
+        Component label = PaperAdventure.asVanilla(MiniMessage.miniMessage().deserialize(commonButtonData.getLabel()));
+        Optional<Component> tooltip = commonButtonData.getTooltip() != null ?
+                Optional.of(PaperAdventure.asVanilla(MiniMessage.miniMessage().deserialize(commonButtonData.getTooltip()))) :
+                Optional.empty();
+        int width = commonButtonData.getWidth();
+
+        return new CommonButtonData(label, tooltip, width);
+    }
+}
--- a/libraries/packets/implementations/1_21_11/src/main/java/de/oliver/fancysitula/versions/v1_21_11/packets/ClientboundTeleportEntityPacketImpl.java
+++ b/libraries/packets/implementations/1_21_11/src/main/java/de/oliver/fancysitula/versions/v1_21_11/packets/ClientboundTeleportEntityPacketImpl.java
@@ -0,0 +1,43 @@
+package de.oliver.fancysitula.versions.v1_21_11.packets;
+
+import de.oliver.fancysitula.api.entities.FS_RealPlayer;
+import de.oliver.fancysitula.api.packets.FS_ClientboundTeleportEntityPacket;
+import de.oliver.fancysitula.versions.v1_21_11.utils.VanillaPlayerAdapter;
+import net.minecraft.network.protocol.game.ClientboundTeleportEntityPacket;
+import net.minecraft.server.level.ServerPlayer;
+import net.minecraft.world.entity.PositionMoveRotation;
+import net.minecraft.world.phys.Vec3;
+
+import java.util.Set;
+
+public class ClientboundTeleportEntityPacketImpl extends FS_ClientboundTeleportEntityPacket {
+
+    public ClientboundTeleportEntityPacketImpl(int entityId, double x, double y, double z, float yaw, float pitch, boolean onGround) {
+        super(entityId, x, y, z, yaw, pitch, onGround);
+    }
+
+    @Override
+    public Object createPacket() {
+        ClientboundTeleportEntityPacket packet = new ClientboundTeleportEntityPacket(
+                entityId,
+                new PositionMoveRotation(
+                        new Vec3(x, y, z),
+                        Vec3.ZERO,
+                        yaw,
+                        pitch
+                ),
+                Set.of(),
+                onGround
+        );
+
+        return packet;
+    }
+
+    @Override
+    public void sendPacketTo(FS_RealPlayer player) {
+        ClientboundTeleportEntityPacket packet = (ClientboundTeleportEntityPacket) createPacket();
+
+        ServerPlayer vanillaPlayer = VanillaPlayerAdapter.asVanilla(player.getBukkitPlayer());
+        vanillaPlayer.connection.send(packet);
+    }
+}
--- a/libraries/packets/implementations/1_21_11/src/main/java/de/oliver/fancysitula/versions/v1_21_11/utils/GameProfileImpl.java
+++ b/libraries/packets/implementations/1_21_11/src/main/java/de/oliver/fancysitula/versions/v1_21_11/utils/GameProfileImpl.java
@@ -0,0 +1,33 @@
+package de.oliver.fancysitula.versions.v1_21_11.utils;
+
+import com.mojang.authlib.GameProfile;
+import de.oliver.fancysitula.api.utils.FS_GameProfile;
+
+import java.util.Map;
+
+public class GameProfileImpl {
+
+    public static GameProfile asVanilla(FS_GameProfile gameProfile) {
+        GameProfile gf = new GameProfile(gameProfile.getUUID(), gameProfile.getName());
+
+        for (Map.Entry<String, FS_GameProfile.Property> entry : gameProfile.getProperties().entrySet()) {
+            FS_GameProfile.Property property = entry.getValue();
+
+            gf.properties().put(entry.getKey(), new com.mojang.authlib.properties.Property(property.name(), property.value(), property.signature()));
+        }
+
+        return gf;
+    }
+
+    public static FS_GameProfile fromVanilla(GameProfile gameProfile) {
+        FS_GameProfile fsGameProfile = new FS_GameProfile(gameProfile.id(), gameProfile.name());
+
+        for (Map.Entry<String, com.mojang.authlib.properties.Property> entry : gameProfile.properties().entries()) {
+            com.mojang.authlib.properties.Property property = entry.getValue();
+
+            fsGameProfile.getProperties().put(entry.getKey(), new FS_GameProfile.Property(property.name(), property.value(), property.signature()));
+        }
+
+        return fsGameProfile;
+    }
+}
--- a/libraries/packets/implementations/1_21_11/src/main/java/de/oliver/fancysitula/versions/v1_21_11/utils/PacketListenerImpl.java
+++ b/libraries/packets/implementations/1_21_11/src/main/java/de/oliver/fancysitula/versions/v1_21_11/utils/PacketListenerImpl.java
@@ -0,0 +1,110 @@
+package de.oliver.fancysitula.versions.v1_21_11.utils;
+
+import de.oliver.fancysitula.api.packets.FS_ServerboundCustomClickActionPacket;
+import de.oliver.fancysitula.api.packets.FS_ServerboundPacket;
+import de.oliver.fancysitula.api.utils.FS_PacketListener;
+import io.netty.channel.Channel;
+import io.netty.channel.ChannelHandlerContext;
+import io.netty.handler.codec.MessageToMessageDecoder;
+import io.papermc.paper.adventure.PaperAdventure;
+import net.minecraft.nbt.StringTag;
+import net.minecraft.network.protocol.Packet;
+import net.minecraft.network.protocol.common.ServerboundCustomClickActionPacket;
+import net.minecraft.server.level.ServerPlayer;
+import org.bukkit.craftbukkit.entity.CraftPlayer;
+import org.bukkit.entity.Player;
+
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+public class PacketListenerImpl extends FS_PacketListener {
+
+    private static final String PIPELINE_NAME = "fancysitula-packet-injector";
+
+    public PacketListenerImpl(FS_ServerboundPacket.Type packet) {
+        super(packet);
+    }
+
+    @Override
+    public void inject(Player player) {
+        ServerPlayer serverPlayer = ((CraftPlayer) player).getHandle();
+
+        Channel channel = serverPlayer.connection.connection.channel;
+
+        if (channel.pipeline().get(PIPELINE_NAME) != null) {
+            return;
+        }
+
+        channel.pipeline().addAfter("decoder", PIPELINE_NAME, new MessageToMessageDecoder<Packet<?>>() {
+            @Override
+            protected void decode(ChannelHandlerContext ctx, Packet<?> msg, List<Object> out) {
+                out.add(msg);
+
+                FS_ServerboundPacket.Type packetType = getPacketType(msg);
+                if (packetType == null) {
+                    return; // Unsupported packet type
+                }
+
+                if (packet == FS_ServerboundPacket.Type.ALL) {
+                    FS_ServerboundPacket fsPacket = convert(packetType, msg);
+                    PacketReceivedEvent packetReceivedEvent = new PacketReceivedEvent(fsPacket, player);
+                    listeners.forEach(listener -> listener.accept(packetReceivedEvent));
+                    return;
+                }
+
+                if (packet == packetType) {
+                    FS_ServerboundPacket fsPacket = convert(packetType, msg);
+                    PacketReceivedEvent packetReceivedEvent = new PacketReceivedEvent(fsPacket, player);
+                    listeners.forEach(listener -> listener.accept(packetReceivedEvent));
+                }
+            }
+        });
+    }
+
+    private FS_ServerboundPacket.Type getPacketType(Packet<?> packet) {
+        String className = packet.getClass().getSimpleName();
+        for (FS_ServerboundPacket.Type type : FS_ServerboundPacket.Type.values()) {
+            if (type.getPacketClassName().equalsIgnoreCase(className)) {
+                return type;
+            }
+        }
+
+        return null;
+    }
+
+    private FS_ServerboundPacket convert(FS_ServerboundPacket.Type type, Packet<?> packet) {
+        switch (type) {
+            case CUSTOM_CLICK_ACTION -> {
+                ServerboundCustomClickActionPacket customClickActionPacket = (ServerboundCustomClickActionPacket) packet;
+
+                Map<String, String> payload = new HashMap<>();
+                if (customClickActionPacket.payload().isPresent() && customClickActionPacket.payload().get().asCompound().isPresent()) {
+                    customClickActionPacket.payload().get().asCompound().get().forEach((k, v) -> {
+                        if (v.getType().getName().equals(StringTag.TYPE.getName())) {
+                            if (v.asString().isPresent()) {
+                                payload.put(k, v.asString().get());
+                            }
+                        } else if (v.getType().getName().equals(net.minecraft.nbt.ByteTag.TYPE.getName())) {
+                            if (v.asBoolean().isPresent()) {
+                                payload.put(k, String.valueOf(v.asBoolean().get()));
+                            } else if (v.asByte().isPresent()) {
+                                payload.put(k, String.valueOf(v.asByte().get()));
+                            }
+                        } else {
+                            payload.put(k, v.toString());
+                        }
+                    });
+                }
+
+                return new FS_ServerboundCustomClickActionPacket(
+                        type,
+                        PaperAdventure.asAdventure(customClickActionPacket.id()),
+                        payload
+                );
+            }
+            // Add more cases for other packet types as needed
+            default -> throw new IllegalArgumentException("Unsupported packet type: " + type);
+        }
+    }
+}
--- a/libraries/packets/implementations/1_21_11/src/main/java/de/oliver/fancysitula/versions/v1_21_11/utils/VanillaPlayerAdapter.java
+++ b/libraries/packets/implementations/1_21_11/src/main/java/de/oliver/fancysitula/versions/v1_21_11/utils/VanillaPlayerAdapter.java
@@ -0,0 +1,12 @@
+package de.oliver.fancysitula.versions.v1_21_11.utils;
+
+import net.minecraft.server.level.ServerPlayer;
+import org.bukkit.craftbukkit.entity.CraftPlayer;
+import org.bukkit.entity.Player;
+
+public class VanillaPlayerAdapter {
+
+    public static ServerPlayer asVanilla(Player p) {
+        return ((CraftPlayer) p).getHandle();
+    }
+}
--- a/libraries/packets/implementations/1_21_11/src/test/java/de/oliver/fancysitula/versions/v1_21_9/packets/ClientboundAddEntityPacketImplTest.java
+++ b/libraries/packets/implementations/1_21_11/src/test/java/de/oliver/fancysitula/versions/v1_21_9/packets/ClientboundAddEntityPacketImplTest.java
@@ -0,0 +1,65 @@
+package de.oliver.fancysitula.versions.v1_21_9.packets;
+
+import de.oliver.fancysitula.api.utils.AngelConverter;
+import de.oliver.fancysitula.versions.v1_21_11.packets.ClientboundAddEntityPacketImpl;
+import net.minecraft.network.protocol.game.ClientboundAddEntityPacket;
+import org.bukkit.entity.EntityType;
+
+import java.util.UUID;
+
+class ClientboundAddEntityPacketImplTest {
+
+    //TODO: Fix this test (registry problems)
+    //    @Test
+    void createPacket() {
+        int entityId = 10000;
+        UUID entityUUID = UUID.randomUUID();
+        EntityType entityType = EntityType.PIG;
+
+        double x = 5;
+        double y = 57;
+        double z = 203;
+
+        float yaw = 142;
+        float pitch = 247;
+        float headYaw = 90;
+
+        int velocityX = 0;
+        int velocityY = 0;
+        int velocityZ = 0;
+
+        int data = 0;
+
+        ClientboundAddEntityPacketImpl packet = new ClientboundAddEntityPacketImpl(
+                entityId,
+                entityUUID,
+                entityType,
+                x,
+                y,
+                z,
+                yaw,
+                pitch,
+                headYaw,
+                velocityX,
+                velocityY,
+                velocityZ,
+                data
+        );
+
+        ClientboundAddEntityPacket createdPacket = (ClientboundAddEntityPacket) packet.createPacket();
+
+        assert createdPacket.getId() == entityId;
+        assert createdPacket.getUUID().equals(entityUUID);
+        assert createdPacket.getType().getDescriptionId().equals(entityType.getKey().getKey());
+        assert createdPacket.getX() == x;
+        assert createdPacket.getY() == y;
+        assert createdPacket.getZ() == z;
+        assert createdPacket.getYRot() == AngelConverter.degreesToVanillaByte(yaw);
+        assert createdPacket.getXRot() == AngelConverter.degreesToVanillaByte(pitch);
+        assert createdPacket.getYHeadRot() == AngelConverter.degreesToVanillaByte(headYaw);
+        assert createdPacket.getMovement().x == velocityX;
+        assert createdPacket.getMovement().y == velocityY;
+        assert createdPacket.getMovement().z == velocityZ;
+        assert createdPacket.getData() == data;
+    }
+}
--- a/libraries/packets/implementations/1_21_11/src/test/java/de/oliver/fancysitula/versions/v1_21_9/packets/ClientboundClearDialogPacketImplTest.java
+++ b/libraries/packets/implementations/1_21_11/src/test/java/de/oliver/fancysitula/versions/v1_21_9/packets/ClientboundClearDialogPacketImplTest.java
@@ -0,0 +1,15 @@
+package de.oliver.fancysitula.versions.v1_21_9.packets;
+
+import de.oliver.fancysitula.versions.v1_21_11.packets.ClientboundClearDialogPacketImpl;
+import org.junit.jupiter.api.Test;
+
+public class ClientboundClearDialogPacketImplTest {
+
+    @Test
+    void createPacket() {
+        ClientboundClearDialogPacketImpl packet = new ClientboundClearDialogPacketImpl();
+        assert packet.createPacket() != null : "Packet creation failed";
+//         assert packet.equals(ClientboundClearDialogPacket.INSTANCE);
+    }
+
+}
--- a/libraries/packets/implementations/1_21_11/src/test/java/de/oliver/fancysitula/versions/v1_21_9/packets/ClientboundPlayerInfoRemovePacketImplTest.java
+++ b/libraries/packets/implementations/1_21_11/src/test/java/de/oliver/fancysitula/versions/v1_21_9/packets/ClientboundPlayerInfoRemovePacketImplTest.java
@@ -0,0 +1,23 @@
+package de.oliver.fancysitula.versions.v1_21_9.packets;
+
+import de.oliver.fancysitula.versions.v1_21_11.packets.ClientboundPlayerInfoRemovePacketImpl;
+import net.minecraft.network.protocol.game.ClientboundPlayerInfoRemovePacket;
+import org.junit.jupiter.api.Test;
+
+import java.util.List;
+import java.util.UUID;
+
+class ClientboundPlayerInfoRemovePacketImplTest {
+
+    @Test
+    void createPacket() {
+        List<UUID> uuids = List.of(UUID.randomUUID(), UUID.randomUUID());
+
+        ClientboundPlayerInfoRemovePacketImpl packet = new ClientboundPlayerInfoRemovePacketImpl(uuids);
+        ClientboundPlayerInfoRemovePacket vanillaPacket = (ClientboundPlayerInfoRemovePacket) packet.createPacket();
+
+        for (UUID uuid : uuids) {
+            assert vanillaPacket.profileIds().contains(uuid);
+        }
+    }
+}
--- a/libraries/packets/implementations/1_21_11/src/test/java/de/oliver/fancysitula/versions/v1_21_9/packets/ClientboundPlayerInfoUpdatePacketImplTest.java
+++ b/libraries/packets/implementations/1_21_11/src/test/java/de/oliver/fancysitula/versions/v1_21_9/packets/ClientboundPlayerInfoUpdatePacketImplTest.java
@@ -0,0 +1,62 @@
+package de.oliver.fancysitula.versions.v1_21_9.packets;
+
+import de.oliver.fancysitula.api.packets.FS_ClientboundPlayerInfoUpdatePacket;
+import de.oliver.fancysitula.api.utils.FS_GameProfile;
+import de.oliver.fancysitula.api.utils.FS_GameType;
+import de.oliver.fancysitula.versions.v1_21_11.packets.ClientboundPlayerInfoUpdatePacketImpl;
+import net.kyori.adventure.text.Component;
+import net.minecraft.network.protocol.game.ClientboundPlayerInfoUpdatePacket;
+import org.junit.jupiter.api.Test;
+
+import java.util.ArrayList;
+import java.util.EnumSet;
+import java.util.List;
+import java.util.UUID;
+
+class ClientboundPlayerInfoUpdatePacketImplTest {
+
+    @Test
+    void createPacket() {
+        // Setup packet
+        EnumSet<FS_ClientboundPlayerInfoUpdatePacket.Action> actions = EnumSet.noneOf(FS_ClientboundPlayerInfoUpdatePacket.Action.class);
+        actions.add(FS_ClientboundPlayerInfoUpdatePacket.Action.ADD_PLAYER);
+        actions.add(FS_ClientboundPlayerInfoUpdatePacket.Action.UPDATE_DISPLAY_NAME);
+        actions.add(FS_ClientboundPlayerInfoUpdatePacket.Action.UPDATE_LISTED);
+
+        FS_GameProfile gameProfile = new FS_GameProfile(UUID.randomUUID(), "Test name");
+        boolean listed = true;
+        int latency = 42;
+        FS_GameType gameMode = FS_GameType.SURVIVAL;
+        Component displayName = Component.text("Test displayname");
+
+        List<FS_ClientboundPlayerInfoUpdatePacket.Entry> entries = new ArrayList<>();
+        entries.add(new FS_ClientboundPlayerInfoUpdatePacket.Entry(
+                gameProfile.getUUID(),
+                gameProfile,
+                listed,
+                latency,
+                gameMode,
+                displayName
+        ));
+
+        ClientboundPlayerInfoUpdatePacketImpl packet = new ClientboundPlayerInfoUpdatePacketImpl(actions, entries);
+
+        ClientboundPlayerInfoUpdatePacket createdPacket = (ClientboundPlayerInfoUpdatePacket) packet.createPacket();
+
+        assert createdPacket.entries().size() == 1;
+        assert createdPacket.actions().size() == 3;
+
+        // check entry
+        ClientboundPlayerInfoUpdatePacket.Entry entry = createdPacket.entries().getFirst();
+        assert entry.profile().id().equals(gameProfile.getUUID());
+        assert entry.profile().name().equals(gameProfile.getName());
+        assert entry.listed() == listed;
+        assert entry.latency() == latency;
+        assert entry.gameMode().getId() == gameMode.getId();
+
+        // check actions
+        assert createdPacket.actions().contains(ClientboundPlayerInfoUpdatePacket.Action.ADD_PLAYER);
+        assert createdPacket.actions().contains(ClientboundPlayerInfoUpdatePacket.Action.UPDATE_DISPLAY_NAME);
+        assert createdPacket.actions().contains(ClientboundPlayerInfoUpdatePacket.Action.UPDATE_LISTED);
+    }
+}
--- a/libraries/packets/implementations/1_21_11/src/test/java/de/oliver/fancysitula/versions/v1_21_9/packets/ClientboundRemoveEntitiesPacketImplTest.java
+++ b/libraries/packets/implementations/1_21_11/src/test/java/de/oliver/fancysitula/versions/v1_21_9/packets/ClientboundRemoveEntitiesPacketImplTest.java
@@ -0,0 +1,21 @@
+package de.oliver.fancysitula.versions.v1_21_9.packets;
+
+import de.oliver.fancysitula.versions.v1_21_11.packets.ClientboundRemoveEntitiesPacketImpl;
+import net.minecraft.network.protocol.game.ClientboundRemoveEntitiesPacket;
+import org.junit.jupiter.api.Test;
+
+import java.util.List;
+
+class ClientboundRemoveEntitiesPacketImplTest {
+
+    @Test
+    void createPacket() {
+        List<Integer> entityIds = List.of(95, 120, 154, 187);
+
+        ClientboundRemoveEntitiesPacketImpl packet = new ClientboundRemoveEntitiesPacketImpl(entityIds);
+        ClientboundRemoveEntitiesPacket createdPacket = (ClientboundRemoveEntitiesPacket) packet.createPacket();
+
+        assert createdPacket.getEntityIds().size() == entityIds.size();
+        assert createdPacket.getEntityIds().containsAll(entityIds);
+    }
+}
--- a/libraries/packets/implementations/1_21_11/src/test/java/de/oliver/fancysitula/versions/v1_21_9/packets/ClientboundRotateHeadPacketImplTest.java
+++ b/libraries/packets/implementations/1_21_11/src/test/java/de/oliver/fancysitula/versions/v1_21_9/packets/ClientboundRotateHeadPacketImplTest.java
@@ -0,0 +1,21 @@
+package de.oliver.fancysitula.versions.v1_21_9.packets;
+
+import de.oliver.fancysitula.api.utils.reflections.ReflectionUtils;
+import de.oliver.fancysitula.versions.v1_21_11.packets.ClientboundRotateHeadPacketImpl;
+import net.minecraft.network.protocol.game.ClientboundRotateHeadPacket;
+import org.junit.jupiter.api.Test;
+
+class ClientboundRotateHeadPacketImplTest {
+
+    @Test
+    void createPacket() throws Exception {
+        int entityId = 184;
+        float headYaw = 45;
+
+        ClientboundRotateHeadPacketImpl packet = new ClientboundRotateHeadPacketImpl(entityId, (byte) headYaw);
+        ClientboundRotateHeadPacket createdPacket = (ClientboundRotateHeadPacket) packet.createPacket();
+
+        assert ReflectionUtils.getField(createdPacket, "entityId").equals(entityId);
+        assert createdPacket.getYHeadRot() == headYaw;
+    }
+}
--- a/libraries/packets/implementations/1_21_11/src/test/java/de/oliver/fancysitula/versions/v1_21_9/packets/ClientboundSetEntityDataPacketImplTest.java
+++ b/libraries/packets/implementations/1_21_11/src/test/java/de/oliver/fancysitula/versions/v1_21_9/packets/ClientboundSetEntityDataPacketImplTest.java
@@ -0,0 +1,29 @@
+package de.oliver.fancysitula.versions.v1_21_9.packets;
+
+import de.oliver.fancysitula.api.packets.FS_ClientboundSetEntityDataPacket;
+import de.oliver.fancysitula.api.utils.entityData.FS_TextDisplayData;
+import de.oliver.fancysitula.versions.v1_21_11.packets.ClientboundSetEntityDataPacketImpl;
+import net.minecraft.network.protocol.game.ClientboundSetEntityDataPacket;
+
+import java.util.List;
+
+class ClientboundSetEntityDataPacketImplTest {
+
+    //TODO: Fix this test (using registry)
+//    @Test
+    void createPacket() {
+        int entityId = 712;
+        List<FS_ClientboundSetEntityDataPacket.EntityData> entityData = List.of(
+                new FS_ClientboundSetEntityDataPacket.EntityData(
+                        FS_TextDisplayData.TEXT,
+                        "Hello, World!"
+                )
+        );
+
+        ClientboundSetEntityDataPacketImpl packet = new ClientboundSetEntityDataPacketImpl(entityId, entityData);
+        ClientboundSetEntityDataPacket createdPacket = (ClientboundSetEntityDataPacket) packet.createPacket();
+
+        assert createdPacket.id() == entityId;
+        assert createdPacket.packedItems().size() == 1;
+    }
+}
--- a/libraries/packets/implementations/1_21_11/src/test/java/de/oliver/fancysitula/versions/v1_21_9/packets/ClientboundSetEquipmentPacketImplTest.java
+++ b/libraries/packets/implementations/1_21_11/src/test/java/de/oliver/fancysitula/versions/v1_21_9/packets/ClientboundSetEquipmentPacketImplTest.java
@@ -0,0 +1,29 @@
+package de.oliver.fancysitula.versions.v1_21_9.packets;
+
+import de.oliver.fancysitula.api.utils.FS_EquipmentSlot;
+import de.oliver.fancysitula.versions.v1_21_11.packets.ClientboundSetEquipmentPacketImpl;
+import net.minecraft.network.protocol.game.ClientboundSetEquipmentPacket;
+import org.bukkit.Material;
+import org.bukkit.inventory.ItemStack;
+
+import java.util.Map;
+
+class ClientboundSetEquipmentPacketImplTest {
+
+    //TODO: Fix this test (registry problems)
+    //    @Test
+    void createPacket() {
+        // Setup packet
+        Map<FS_EquipmentSlot, ItemStack> equipment = Map.of(
+                FS_EquipmentSlot.MAINHAND, new ItemStack(Material.DIAMOND_SWORD),
+                FS_EquipmentSlot.OFFHAND, new ItemStack(Material.SHIELD),
+                FS_EquipmentSlot.HEAD, new ItemStack(Material.DIAMOND_HELMET)
+        );
+
+        ClientboundSetEquipmentPacketImpl packet = new ClientboundSetEquipmentPacketImpl(42, equipment);
+        ClientboundSetEquipmentPacket createdPacket = (ClientboundSetEquipmentPacket) packet.createPacket();
+
+        assert createdPacket.getEntity() == 42;
+        assert createdPacket.getSlots().size() == 3;
+    }
+}
--- a/libraries/packets/implementations/1_21_11/src/test/java/de/oliver/fancysitula/versions/v1_21_9/packets/ClientboundSetPassengersPacketImplTest.java
+++ b/libraries/packets/implementations/1_21_11/src/test/java/de/oliver/fancysitula/versions/v1_21_9/packets/ClientboundSetPassengersPacketImplTest.java
@@ -0,0 +1,29 @@
+package de.oliver.fancysitula.versions.v1_21_9.packets;
+
+import de.oliver.fancysitula.versions.v1_21_11.packets.ClientboundSetPassengersPacketImpl;
+import net.minecraft.network.protocol.game.ClientboundSetPassengersPacket;
+import org.junit.jupiter.api.Test;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class ClientboundSetPassengersPacketImplTest {
+
+    @Test
+    void createPacket() {
+        // Setup packet
+        int vehicleID = 712;
+        List<Integer> passengers = new ArrayList<>();
+        passengers.add(571);
+        passengers.add(572);
+
+        ClientboundSetPassengersPacketImpl packet = new ClientboundSetPassengersPacketImpl(vehicleID, passengers);
+        ClientboundSetPassengersPacket createdPacket = (ClientboundSetPassengersPacket) packet.createPacket();
+
+        // Check packet
+        assert createdPacket.getVehicle() == vehicleID;
+        assert createdPacket.getPassengers().length == 2;
+        assert createdPacket.getPassengers()[0] == 571;
+        assert createdPacket.getPassengers()[1] == 572;
+    }
+}
--- a/libraries/packets/implementations/1_21_11/src/test/java/de/oliver/fancysitula/versions/v1_21_9/packets/ClientboundTeleportEntityPacketImplTest.java
+++ b/libraries/packets/implementations/1_21_11/src/test/java/de/oliver/fancysitula/versions/v1_21_9/packets/ClientboundTeleportEntityPacketImplTest.java
@@ -0,0 +1,31 @@
+package de.oliver.fancysitula.versions.v1_21_9.packets;
+
+import de.oliver.fancysitula.versions.v1_21_11.packets.ClientboundTeleportEntityPacketImpl;
+import net.minecraft.network.protocol.game.ClientboundTeleportEntityPacket;
+import org.junit.jupiter.api.Test;
+
+class ClientboundTeleportEntityPacketImplTest {
+
+    @Test
+    void createPacket() {
+        int entityId = 4313;
+        double x = 15.0;
+        double y = 57.0;
+        double z = -27.0;
+        float yaw = 90.0f;
+        float pitch = 45.0f;
+        boolean onGround = true;
+
+        ClientboundTeleportEntityPacketImpl packet = new ClientboundTeleportEntityPacketImpl(entityId, x, y, z, yaw, pitch, onGround);
+        ClientboundTeleportEntityPacket createdPacket = (ClientboundTeleportEntityPacket) packet.createPacket();
+
+        assert createdPacket != null;
+        assert createdPacket.id() == entityId;
+        assert createdPacket.change().position().x == x;
+        assert createdPacket.change().position().y == y;
+        assert createdPacket.change().position().z == z;
+        assert createdPacket.change().xRot() == pitch;
+        assert createdPacket.change().yRot() == yaw;
+        assert createdPacket.onGround() == onGround;
+    }
+}
--- a/libraries/packets/packets-api/src/main/java/de/oliver/fancysitula/api/utils/ServerVersion.java
+++ b/libraries/packets/packets-api/src/main/java/de/oliver/fancysitula/api/utils/ServerVersion.java
@@ -7,6 +7,7 @@ import java.util.List;

 public enum ServerVersion {

+    v1_21_11("1.21.11", 774),
    v1_21_10("1.21.10", 773),
    v1_21_9("1.21.9", 773),
    v1_21_8("1.21.8", 772),
--- a/libraries/packets/src/main/java/de/oliver/fancysitula/factories/PacketFactory.java
+++ b/libraries/packets/src/main/java/de/oliver/fancysitula/factories/PacketFactory.java
@@ -28,6 +28,9 @@ public class PacketFactory {
            List<FS_ClientboundPlayerInfoUpdatePacket.Entry> entries
    ) {
        switch (ServerVersion.getCurrentVersion()) {
+            case v1_21_11 -> {
+                return new de.oliver.fancysitula.versions.v1_21_11.packets.ClientboundPlayerInfoUpdatePacketImpl(actions, entries);
+            }
            case v1_21_9, v1_21_10 -> {
                return new de.oliver.fancysitula.versions.v1_21_9.packets.ClientboundPlayerInfoUpdatePacketImpl(actions, entries);
            }
@@ -73,6 +76,9 @@ public class PacketFactory {
            int velocityZ,
            int data) {
        switch (ServerVersion.getCurrentVersion()) {
+            case v1_21_11 -> {
+                return new de.oliver.fancysitula.versions.v1_21_11.packets.ClientboundAddEntityPacketImpl(entityId, entityUUID, entityType, x, y, z, yaw, pitch, headYaw, velocityX, velocityY, velocityZ, data);
+            }
            case v1_21_9, v1_21_10 -> {
                return new de.oliver.fancysitula.versions.v1_21_9.packets.ClientboundAddEntityPacketImpl(entityId, entityUUID, entityType, x, y, z, yaw, pitch, headYaw, velocityX, velocityY, velocityZ, data);
            }
@@ -105,6 +111,9 @@ public class PacketFactory {
            List<UUID> uuids
    ) {
        switch (ServerVersion.getCurrentVersion()) {
+            case v1_21_11 -> {
+                return new de.oliver.fancysitula.versions.v1_21_11.packets.ClientboundPlayerInfoRemovePacketImpl(uuids);
+            }
            case v1_21_9, v1_21_10 -> {
                return new de.oliver.fancysitula.versions.v1_21_9.packets.ClientboundPlayerInfoRemovePacketImpl(uuids);
            }
@@ -137,6 +146,9 @@ public class PacketFactory {
            List<Integer> entityIds
    ) {
        switch (ServerVersion.getCurrentVersion()) {
+            case v1_21_11 -> {
+                return new de.oliver.fancysitula.versions.v1_21_11.packets.ClientboundRemoveEntitiesPacketImpl(entityIds);
+            }
            case v1_21_9, v1_21_10 -> {
                return new de.oliver.fancysitula.versions.v1_21_9.packets.ClientboundRemoveEntitiesPacketImpl(entityIds);
            }
@@ -181,6 +193,9 @@ public class PacketFactory {
            boolean onGround
    ) {
        switch (ServerVersion.getCurrentVersion()) {
+            case v1_21_11 -> {
+                return new de.oliver.fancysitula.versions.v1_21_11.packets.ClientboundTeleportEntityPacketImpl(entityId, x, y, z, yaw, pitch, onGround);
+            }
            case v1_21_9, v1_21_10 -> {
                return new de.oliver.fancysitula.versions.v1_21_9.packets.ClientboundTeleportEntityPacketImpl(entityId, x, y, z, yaw, pitch, onGround);
            }
@@ -215,6 +230,9 @@ public class PacketFactory {
            float headYaw
    ) {
        switch (ServerVersion.getCurrentVersion()) {
+            case v1_21_11 -> {
+                return new de.oliver.fancysitula.versions.v1_21_11.packets.ClientboundRotateHeadPacketImpl(entityId, headYaw);
+            }
            case v1_21_9, v1_21_10 -> {
                return new de.oliver.fancysitula.versions.v1_21_9.packets.ClientboundRotateHeadPacketImpl(entityId, headYaw);
            }
@@ -249,6 +267,9 @@ public class PacketFactory {
            List<FS_ClientboundSetEntityDataPacket.EntityData> entityData
    ) {
        switch (ServerVersion.getCurrentVersion()) {
+            case v1_21_11 -> {
+                return new de.oliver.fancysitula.versions.v1_21_11.packets.ClientboundSetEntityDataPacketImpl(entityId, entityData);
+            }
            case v1_21_9, v1_21_10 -> {
                return new de.oliver.fancysitula.versions.v1_21_9.packets.ClientboundSetEntityDataPacketImpl(entityId, entityData);
            }
@@ -283,6 +304,9 @@ public class PacketFactory {
            Map<FS_EquipmentSlot, ItemStack> equipment
    ) {
        switch (ServerVersion.getCurrentVersion()) {
+            case v1_21_11 -> {
+                return new de.oliver.fancysitula.versions.v1_21_11.packets.ClientboundSetEquipmentPacketImpl(entityId, equipment);
+            }
            case v1_21_9, v1_21_10 -> {
                return new de.oliver.fancysitula.versions.v1_21_9.packets.ClientboundSetEquipmentPacketImpl(entityId, equipment);
            }
@@ -317,6 +341,9 @@ public class PacketFactory {
            List<Integer> passengers
    ) {
        switch (ServerVersion.getCurrentVersion()) {
+            case v1_21_11 -> {
+                return new de.oliver.fancysitula.versions.v1_21_11.packets.ClientboundSetPassengersPacketImpl(entityId, passengers);
+            }
            case v1_21_9, v1_21_10 -> {
                return new de.oliver.fancysitula.versions.v1_21_9.packets.ClientboundSetPassengersPacketImpl(entityId, passengers);
            }
@@ -354,6 +381,9 @@ public class PacketFactory {
            FS_ClientboundCreateOrUpdateTeamPacket.CreateTeam createTeam
    ) {
        switch (ServerVersion.getCurrentVersion()) {
+            case v1_21_11 -> {
+                return new de.oliver.fancysitula.versions.v1_21_11.packets.ClientboundCreateOrUpdateTeamPacketImpl(teamName, createTeam);
+            }
            case v1_21_9, v1_21_10 -> {
                return new de.oliver.fancysitula.versions.v1_21_9.packets.ClientboundCreateOrUpdateTeamPacketImpl(teamName, createTeam);
            }
@@ -390,6 +420,9 @@ public class PacketFactory {
            FS_ClientboundCreateOrUpdateTeamPacket.RemoveTeam removeTeam
    ) {
        switch (ServerVersion.getCurrentVersion()) {
+            case v1_21_11 -> {
+                return new de.oliver.fancysitula.versions.v1_21_11.packets.ClientboundCreateOrUpdateTeamPacketImpl(teamName, removeTeam);
+            }
            case v1_21_9, v1_21_10 -> {
                return new de.oliver.fancysitula.versions.v1_21_9.packets.ClientboundCreateOrUpdateTeamPacketImpl(teamName, removeTeam);
            }
@@ -426,6 +459,9 @@ public class PacketFactory {
            FS_ClientboundCreateOrUpdateTeamPacket.UpdateTeam updateTeam
    ) {
        switch (ServerVersion.getCurrentVersion()) {
+            case v1_21_11 -> {
+                return new de.oliver.fancysitula.versions.v1_21_11.packets.ClientboundCreateOrUpdateTeamPacketImpl(teamName, updateTeam);
+            }
            case v1_21_9, v1_21_10 -> {
                return new de.oliver.fancysitula.versions.v1_21_9.packets.ClientboundCreateOrUpdateTeamPacketImpl(teamName, updateTeam);
            }
@@ -462,6 +498,9 @@ public class PacketFactory {
            FS_ClientboundCreateOrUpdateTeamPacket.AddEntity addEntity
    ) {
        switch (ServerVersion.getCurrentVersion()) {
+            case v1_21_11 -> {
+                return new de.oliver.fancysitula.versions.v1_21_11.packets.ClientboundCreateOrUpdateTeamPacketImpl(teamName, addEntity);
+            }
            case v1_21_9, v1_21_10 -> {
                return new de.oliver.fancysitula.versions.v1_21_9.packets.ClientboundCreateOrUpdateTeamPacketImpl(teamName, addEntity);
            }
@@ -498,6 +537,9 @@ public class PacketFactory {
            FS_ClientboundCreateOrUpdateTeamPacket.RemoveEntity removeEntity
    ) {
        switch (ServerVersion.getCurrentVersion()) {
+            case v1_21_11 -> {
+                return new de.oliver.fancysitula.versions.v1_21_11.packets.ClientboundCreateOrUpdateTeamPacketImpl(teamName, removeEntity);
+            }
            case v1_21_9, v1_21_10 -> {
                return new de.oliver.fancysitula.versions.v1_21_9.packets.ClientboundCreateOrUpdateTeamPacketImpl(teamName, removeEntity);
            }
@@ -531,6 +573,9 @@ public class PacketFactory {
            FS_Dialog dialog
    ) {
        switch (ServerVersion.getCurrentVersion()) {
+            case v1_21_11 -> {
+                return new de.oliver.fancysitula.versions.v1_21_11.packets.ClientboundShowDialogPacketImpl(dialog);
+            }
            case v1_21_9, v1_21_10 -> {
                return new de.oliver.fancysitula.versions.v1_21_9.packets.ClientboundShowDialogPacketImpl(dialog);
            }
@@ -549,6 +594,9 @@ public class PacketFactory {
     */
    public FS_ClientboundClearDialogPacket createClearDialogPacket() {
        switch (ServerVersion.getCurrentVersion()) {
+            case v1_21_11 -> {
+                return new de.oliver.fancysitula.versions.v1_21_11.packets.ClientboundClearDialogPacketImpl();
+            }
            case v1_21_9, v1_21_10 -> {
                return new de.oliver.fancysitula.versions.v1_21_9.packets.ClientboundClearDialogPacketImpl();
            }
--- a/libraries/packets/src/main/java/de/oliver/fancysitula/factories/PacketListenerFactory.java
+++ b/libraries/packets/src/main/java/de/oliver/fancysitula/factories/PacketListenerFactory.java
@@ -8,6 +8,9 @@ public class PacketListenerFactory {

    public FS_PacketListener createPacketListener(FS_ServerboundPacket.Type packet) {
        switch (ServerVersion.getCurrentVersion()) {
+            case v1_21_11 -> {
+                return new de.oliver.fancysitula.versions.v1_21_11.utils.PacketListenerImpl(packet);
+            }
            case v1_21_9, v1_21_10 -> {
                return new de.oliver.fancysitula.versions.v1_21_9.utils.PacketListenerImpl(packet);
            }