feat: move more packets to NMS

common/src/main/java/me/lojosho/hibiscuscommons/nms/NMSPackets.java

@@ -1,5 +1,6 @@
 package me.lojosho.hibiscuscommons.nms;
 
+import org.bukkit.Location;
 import org.bukkit.entity.Player;
 import org.bukkit.inventory.EquipmentSlot;
 import org.bukkit.inventory.ItemStack;
@@ -32,4 +33,20 @@ public interface NMSPackets {
             String name
     );
 
+    void sendMountPacket(int mountId, int[] passengerIds, List<Player> sendTo);
+
+    void sendLeashPacket(int leashEntity, int entityId, List<Player> sendTo);
+
+    void sendTeleportPacket(
+            int entityId,
+            double x,
+            double y,
+            double z,
+            float yaw,
+            float pitch,
+            boolean onGround,
+            List<Player> sendTo
+    );
+
+    void sendRotationPacket(int entityId, float yaw, boolean onGround, List<Player> sendTo);
 }

common/src/main/java/me/lojosho/hibiscuscommons/util/packets/PacketManager.java

@@ -57,10 +57,7 @@ public class PacketManager {
             int passengerId,
             @NotNull List<Player> sendTo
     ) {
-        PacketContainer packet = new PacketContainer(PacketType.Play.Server.MOUNT);
+        NMSHandlers.getHandler().getPacketHandler().sendMountPacket(mountId, new int[]{passengerId}, sendTo);
-        packet.getIntegers().write(0, mountId);
-        packet.getIntegerArrays().write(0, new int[]{passengerId});
-        for (Player p : sendTo) sendPacket(p, packet);
     }
 
     public static void sendLookPacket(
@@ -101,6 +98,9 @@ public class PacketManager {
     ) {
         float ROTATION_FACTOR = 256.0F / 360.0F;
         float yaw2 = yaw * ROTATION_FACTOR;
+
+        NMSHandlers.getHandler().getPacketHandler().sendRotationPacket(entityId, yaw2, onGround, sendTo);
+        /*
         PacketContainer packet = new PacketContainer(PacketType.Play.Server.ENTITY_LOOK);
         packet.getIntegers().write(0, entityId);
         packet.getBytes().write(0, (byte) yaw2);
@@ -109,6 +109,8 @@ public class PacketManager {
         //Bukkit.getLogger().info("DEBUG: Yaw: " + (location.getYaw() * ROTATION_FACTOR) + " | Original Yaw: " + location.getYaw());
         packet.getBooleans().write(0, onGround);
         for (Player p : sendTo) sendPacket(p, packet);
+
+         */
     }
 
     public static void sendRidingPacket(
@@ -124,12 +126,15 @@ public class PacketManager {
             final int[] passengerIds,
             final @NotNull List<Player> sendTo
     ) {
+        NMSHandlers.getHandler().getPacketHandler().sendMountPacket(mountId, passengerIds, sendTo);
+        /*
         PacketContainer packet = new PacketContainer(PacketType.Play.Server.MOUNT);
         packet.getIntegers().write(0, mountId);
         packet.getIntegerArrays().write(0, passengerIds);
         for (final Player p : sendTo) {
             sendPacket(p, packet);
         }
+         */
     }
 
     /**
@@ -172,12 +177,15 @@ public class PacketManager {
             final int entityId,
             final @NotNull List<Player> sendTo
     ) {
+        NMSHandlers.getHandler().getPacketHandler().sendLeashPacket(leashedEntity, entityId, sendTo);
+        /*
         PacketContainer packet = new PacketContainer(PacketType.Play.Server.ATTACH_ENTITY);
         packet.getIntegers().write(0, leashedEntity);
         packet.getIntegers().write(1, entityId);
         for (final Player p : sendTo) {
             sendPacket(p, packet);
         }
+         */
     }
 
     /**
@@ -193,6 +201,14 @@ public class PacketManager {
             boolean onGround,
             final @NotNull List<Player> sendTo
     ) {
+        double x = location.getX();
+        double y = location.getY();
+        double z = location.getZ();
+        float yaw = location.getYaw();
+        float pitch = location.getPitch();
+        NMSHandlers.getHandler().getPacketHandler().sendTeleportPacket(entityId, x, y, z, yaw, pitch, onGround, sendTo);
+
+        /*
         PacketContainer packet = new PacketContainer(PacketType.Play.Server.ENTITY_TELEPORT);
         packet.getIntegers().write(0, entityId);
         packet.getDoubles().write(0, location.getX());
@@ -204,6 +220,7 @@ public class PacketManager {
         for (final Player p : sendTo) {
             sendPacket(p, packet);
         }
+         */
     }
 
 

v1_20_R1/src/main/java/me/lojosho/hibiscuscommons/nms/v1_20_R1/NMSPackets.java

@@ -1,10 +1,10 @@
 package me.lojosho.hibiscuscommons.nms.v1_20_R1;
 
 import com.mojang.datafixers.util.Pair;
+import io.netty.buffer.Unpooled;
+import net.minecraft.network.FriendlyByteBuf;
 import net.minecraft.network.protocol.Packet;
-import net.minecraft.network.protocol.game.ClientboundContainerSetSlotPacket;
+import net.minecraft.network.protocol.game.*;
-import net.minecraft.network.protocol.game.ClientboundSetEquipmentPacket;
-import net.minecraft.network.protocol.game.ClientboundSetPlayerTeamPacket;
 import net.minecraft.server.level.ServerPlayer;
 import net.minecraft.world.entity.EquipmentSlot;
 import net.minecraft.world.entity.player.Inventory;
@@ -18,6 +18,8 @@ import org.bukkit.craftbukkit.v1_20_R1.scoreboard.CraftScoreboard;
 import org.bukkit.entity.Player;
 import org.bukkit.inventory.ItemStack;
 
+import java.lang.reflect.Constructor;
+import java.nio.ByteBuffer;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.HashMap;
@@ -25,6 +27,44 @@ import java.util.List;
 
 public class NMSPackets extends NMSCommon implements me.lojosho.hibiscuscommons.nms.NMSPackets {
 
+    static Constructor<ClientboundSetPassengersPacket> passengerConstructor;
+    static Constructor<ClientboundSetEntityLinkPacket> linkConstructor;
+    static Constructor<ClientboundTeleportEntityPacket> teleportConstructor;
+    static Constructor<ClientboundSetCameraPacket> cameraConstructor;
+    static Constructor<ClientboundPlayerLookAtPacket> lookAtConstructor;
+    static {
+        try {
+            passengerConstructor = ClientboundSetPassengersPacket.class.getDeclaredConstructor(FriendlyByteBuf.class);
+            passengerConstructor.setAccessible(true);
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+        try {
+            linkConstructor = ClientboundSetEntityLinkPacket.class.getDeclaredConstructor(FriendlyByteBuf.class);
+            linkConstructor.setAccessible(true);
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+        try {
+            teleportConstructor = ClientboundTeleportEntityPacket.class.getDeclaredConstructor(FriendlyByteBuf.class);
+            teleportConstructor.setAccessible(true);
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+        try {
+            cameraConstructor = ClientboundSetCameraPacket.class.getDeclaredConstructor(FriendlyByteBuf.class);
+            cameraConstructor.setAccessible(true);
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+        try {
+            lookAtConstructor = ClientboundPlayerLookAtPacket.class.getDeclaredConstructor(FriendlyByteBuf.class);
+            lookAtConstructor.setAccessible(true);
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+
     @Override
     public void sendEquipmentSlotUpdate(
             int entityId,
@@ -113,4 +153,73 @@ public class NMSPackets extends NMSCommon implements me.lojosho.hibiscuscommons.
             add(name);
         }}, ClientboundSetPlayerTeamPacket.Action.ADD);
         sendPacket(player, createPlayerTeamPacket);
-    }}
+    }
+
+    @Override
+    public void sendMountPacket(int mountId, int[] passengerIds, List<Player> sendTo) {
+        FriendlyByteBuf byteBuf = new FriendlyByteBuf(Unpooled.buffer());
+        byteBuf.writeInt(mountId);
+        byteBuf.writeVarIntArray(passengerIds);
+        try {
+            ClientboundSetPassengersPacket packet = passengerConstructor.newInstance(byteBuf);
+            for (Player p : sendTo) sendPacket(p, packet);
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+
+    @Override
+    public void sendLeashPacket(int leashEntity, int entityId, List<Player> sendTo) {
+        FriendlyByteBuf byteBuf = new FriendlyByteBuf(Unpooled.buffer());
+        byteBuf.writeInt(leashEntity);
+        byteBuf.writeInt(entityId);
+        try {
+            ClientboundSetEntityLinkPacket packet = linkConstructor.newInstance(byteBuf);
+            for (Player p : sendTo) sendPacket(p, packet);
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+
+    @Override
+    public void sendTeleportPacket(
+            int entityId,
+            double x,
+            double y,
+            double z,
+            float yaw,
+            float pitch,
+            boolean onGround,
+            List<Player> sendTo
+    ) {
+        FriendlyByteBuf byteBuf = new FriendlyByteBuf(Unpooled.buffer());
+        byteBuf.writeInt(entityId);
+        byteBuf.writeDouble(x);
+        byteBuf.writeDouble(y);
+        byteBuf.writeDouble(z);
+        byteBuf.writeByte((byte) (yaw * 256.0F / 360.0F));
+        byteBuf.writeByte((byte) (pitch * 256.0F / 360.0F));
+        byteBuf.writeBoolean(onGround);
+
+        try {
+            ClientboundTeleportEntityPacket packet = teleportConstructor.newInstance(byteBuf);
+            for (Player p : sendTo) sendPacket(p, packet);
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+
+    @Override
+    public void sendRotationPacket(int entityId, float yaw, boolean onGround, List<Player> sendTo) {
+        FriendlyByteBuf byteBuf = new FriendlyByteBuf(Unpooled.buffer());
+        byteBuf.writeInt(entityId);
+        byteBuf.writeFloat(yaw);
+        byteBuf.writeBoolean(onGround);
+        try {
+            ClientboundPlayerLookAtPacket packet = lookAtConstructor.newInstance(byteBuf);
+            for (Player p : sendTo) sendPacket(p, packet);
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+}

v1_20_R2/src/main/java/me/lojosho/hibiscuscommons/nms/v1_20_R2/NMSPackets.java

@@ -1,10 +1,10 @@
 package me.lojosho.hibiscuscommons.nms.v1_20_R2;
 
 import com.mojang.datafixers.util.Pair;
+import io.netty.buffer.Unpooled;
+import net.minecraft.network.FriendlyByteBuf;
 import net.minecraft.network.protocol.Packet;
-import net.minecraft.network.protocol.game.ClientboundContainerSetSlotPacket;
+import net.minecraft.network.protocol.game.*;
-import net.minecraft.network.protocol.game.ClientboundSetEquipmentPacket;
-import net.minecraft.network.protocol.game.ClientboundSetPlayerTeamPacket;
 import net.minecraft.server.level.ServerPlayer;
 import net.minecraft.world.entity.EquipmentSlot;
 import net.minecraft.world.entity.player.Inventory;
@@ -18,6 +18,8 @@ import org.bukkit.craftbukkit.v1_20_R2.scoreboard.CraftScoreboard;
 import org.bukkit.entity.Player;
 import org.bukkit.inventory.ItemStack;
 
+import java.lang.reflect.Constructor;
+import java.nio.ByteBuffer;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.HashMap;
@@ -25,6 +27,44 @@ import java.util.List;
 
 public class NMSPackets extends NMSCommon implements me.lojosho.hibiscuscommons.nms.NMSPackets {
 
+    static Constructor<ClientboundSetPassengersPacket> passengerConstructor;
+    static Constructor<ClientboundSetEntityLinkPacket> linkConstructor;
+    static Constructor<ClientboundTeleportEntityPacket> teleportConstructor;
+    static Constructor<ClientboundSetCameraPacket> cameraConstructor;
+    static Constructor<ClientboundPlayerLookAtPacket> lookAtConstructor;
+    static {
+        try {
+            passengerConstructor = ClientboundSetPassengersPacket.class.getDeclaredConstructor(FriendlyByteBuf.class);
+            passengerConstructor.setAccessible(true);
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+        try {
+            linkConstructor = ClientboundSetEntityLinkPacket.class.getDeclaredConstructor(FriendlyByteBuf.class);
+            linkConstructor.setAccessible(true);
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+        try {
+            teleportConstructor = ClientboundTeleportEntityPacket.class.getDeclaredConstructor(FriendlyByteBuf.class);
+            teleportConstructor.setAccessible(true);
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+        try {
+            cameraConstructor = ClientboundSetCameraPacket.class.getDeclaredConstructor(FriendlyByteBuf.class);
+            cameraConstructor.setAccessible(true);
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+        try {
+            lookAtConstructor = ClientboundPlayerLookAtPacket.class.getDeclaredConstructor(FriendlyByteBuf.class);
+            lookAtConstructor.setAccessible(true);
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+
     @Override
     public void sendEquipmentSlotUpdate(
             int entityId,
@@ -113,4 +153,73 @@ public class NMSPackets extends NMSCommon implements me.lojosho.hibiscuscommons.
             add(name);
         }}, ClientboundSetPlayerTeamPacket.Action.ADD);
         sendPacket(player, createPlayerTeamPacket);
-    }}
+    }
+
+    @Override
+    public void sendMountPacket(int mountId, int[] passengerIds, List<Player> sendTo) {
+        FriendlyByteBuf byteBuf = new FriendlyByteBuf(Unpooled.buffer());
+        byteBuf.writeInt(mountId);
+        byteBuf.writeVarIntArray(passengerIds);
+        try {
+            ClientboundSetPassengersPacket packet = passengerConstructor.newInstance(byteBuf);
+            for (Player p : sendTo) sendPacket(p, packet);
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+
+    @Override
+    public void sendLeashPacket(int leashEntity, int entityId, List<Player> sendTo) {
+        FriendlyByteBuf byteBuf = new FriendlyByteBuf(Unpooled.buffer());
+        byteBuf.writeInt(leashEntity);
+        byteBuf.writeInt(entityId);
+        try {
+            ClientboundSetEntityLinkPacket packet = linkConstructor.newInstance(byteBuf);
+            for (Player p : sendTo) sendPacket(p, packet);
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+
+    @Override
+    public void sendTeleportPacket(
+            int entityId,
+            double x,
+            double y,
+            double z,
+            float yaw,
+            float pitch,
+            boolean onGround,
+            List<Player> sendTo
+    ) {
+        FriendlyByteBuf byteBuf = new FriendlyByteBuf(Unpooled.buffer());
+        byteBuf.writeInt(entityId);
+        byteBuf.writeDouble(x);
+        byteBuf.writeDouble(y);
+        byteBuf.writeDouble(z);
+        byteBuf.writeByte((byte) (yaw * 256.0F / 360.0F));
+        byteBuf.writeByte((byte) (pitch * 256.0F / 360.0F));
+        byteBuf.writeBoolean(onGround);
+
+        try {
+            ClientboundTeleportEntityPacket packet = teleportConstructor.newInstance(byteBuf);
+            for (Player p : sendTo) sendPacket(p, packet);
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+
+    @Override
+    public void sendRotationPacket(int entityId, float yaw, boolean onGround, List<Player> sendTo) {
+        FriendlyByteBuf byteBuf = new FriendlyByteBuf(Unpooled.buffer());
+        byteBuf.writeInt(entityId);
+        byteBuf.writeFloat(yaw);
+        byteBuf.writeBoolean(onGround);
+        try {
+            ClientboundPlayerLookAtPacket packet = lookAtConstructor.newInstance(byteBuf);
+            for (Player p : sendTo) sendPacket(p, packet);
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+}

v1_20_R3/src/main/java/me/lojosho/hibiscuscommons/nms/v1_20_R3/NMSPackets.java

@@ -1,10 +1,10 @@
 package me.lojosho.hibiscuscommons.nms.v1_20_R3;
 
 import com.mojang.datafixers.util.Pair;
+import io.netty.buffer.Unpooled;
+import net.minecraft.network.FriendlyByteBuf;
 import net.minecraft.network.protocol.Packet;
-import net.minecraft.network.protocol.game.ClientboundContainerSetSlotPacket;
+import net.minecraft.network.protocol.game.*;
-import net.minecraft.network.protocol.game.ClientboundSetEquipmentPacket;
-import net.minecraft.network.protocol.game.ClientboundSetPlayerTeamPacket;
 import net.minecraft.server.level.ServerPlayer;
 import net.minecraft.world.entity.EquipmentSlot;
 import net.minecraft.world.entity.player.Inventory;
@@ -18,6 +18,8 @@ import org.bukkit.craftbukkit.v1_20_R3.scoreboard.CraftScoreboard;
 import org.bukkit.entity.Player;
 import org.bukkit.inventory.ItemStack;
 
+import java.lang.reflect.Constructor;
+import java.nio.ByteBuffer;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.HashMap;
@@ -25,6 +27,44 @@ import java.util.List;
 
 public class NMSPackets extends NMSCommon implements me.lojosho.hibiscuscommons.nms.NMSPackets {
 
+    static Constructor<ClientboundSetPassengersPacket> passengerConstructor;
+    static Constructor<ClientboundSetEntityLinkPacket> linkConstructor;
+    static Constructor<ClientboundTeleportEntityPacket> teleportConstructor;
+    static Constructor<ClientboundSetCameraPacket> cameraConstructor;
+    static Constructor<ClientboundPlayerLookAtPacket> lookAtConstructor;
+    static {
+        try {
+            passengerConstructor = ClientboundSetPassengersPacket.class.getDeclaredConstructor(FriendlyByteBuf.class);
+            passengerConstructor.setAccessible(true);
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+        try {
+            linkConstructor = ClientboundSetEntityLinkPacket.class.getDeclaredConstructor(FriendlyByteBuf.class);
+            linkConstructor.setAccessible(true);
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+        try {
+            teleportConstructor = ClientboundTeleportEntityPacket.class.getDeclaredConstructor(FriendlyByteBuf.class);
+            teleportConstructor.setAccessible(true);
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+        try {
+            cameraConstructor = ClientboundSetCameraPacket.class.getDeclaredConstructor(FriendlyByteBuf.class);
+            cameraConstructor.setAccessible(true);
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+        try {
+            lookAtConstructor = ClientboundPlayerLookAtPacket.class.getDeclaredConstructor(FriendlyByteBuf.class);
+            lookAtConstructor.setAccessible(true);
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+
     @Override
     public void sendEquipmentSlotUpdate(
             int entityId,
@@ -113,4 +153,74 @@ public class NMSPackets extends NMSCommon implements me.lojosho.hibiscuscommons.
             add(name);
         }}, ClientboundSetPlayerTeamPacket.Action.ADD);
         sendPacket(player, createPlayerTeamPacket);
-    }}
+    }
+
+
+    @Override
+    public void sendMountPacket(int mountId, int[] passengerIds, List<Player> sendTo) {
+        FriendlyByteBuf byteBuf = new FriendlyByteBuf(Unpooled.buffer());
+        byteBuf.writeInt(mountId);
+        byteBuf.writeVarIntArray(passengerIds);
+        try {
+            ClientboundSetPassengersPacket packet = passengerConstructor.newInstance(byteBuf);
+            for (Player p : sendTo) sendPacket(p, packet);
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+
+    @Override
+    public void sendLeashPacket(int leashEntity, int entityId, List<Player> sendTo) {
+        FriendlyByteBuf byteBuf = new FriendlyByteBuf(Unpooled.buffer());
+        byteBuf.writeInt(leashEntity);
+        byteBuf.writeInt(entityId);
+        try {
+            ClientboundSetEntityLinkPacket packet = linkConstructor.newInstance(byteBuf);
+            for (Player p : sendTo) sendPacket(p, packet);
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+
+    @Override
+    public void sendTeleportPacket(
+            int entityId,
+            double x,
+            double y,
+            double z,
+            float yaw,
+            float pitch,
+            boolean onGround,
+            List<Player> sendTo
+    ) {
+        FriendlyByteBuf byteBuf = new FriendlyByteBuf(Unpooled.buffer());
+        byteBuf.writeInt(entityId);
+        byteBuf.writeDouble(x);
+        byteBuf.writeDouble(y);
+        byteBuf.writeDouble(z);
+        byteBuf.writeByte((byte) (yaw * 256.0F / 360.0F));
+        byteBuf.writeByte((byte) (pitch * 256.0F / 360.0F));
+        byteBuf.writeBoolean(onGround);
+
+        try {
+            ClientboundTeleportEntityPacket packet = teleportConstructor.newInstance(byteBuf);
+            for (Player p : sendTo) sendPacket(p, packet);
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+
+    @Override
+    public void sendRotationPacket(int entityId, float yaw, boolean onGround, List<Player> sendTo) {
+        FriendlyByteBuf byteBuf = new FriendlyByteBuf(Unpooled.buffer());
+        byteBuf.writeInt(entityId);
+        byteBuf.writeFloat(yaw);
+        byteBuf.writeBoolean(onGround);
+        try {
+            ClientboundPlayerLookAtPacket packet = lookAtConstructor.newInstance(byteBuf);
+            for (Player p : sendTo) sendPacket(p, packet);
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+}

v1_20_R4/src/main/java/me/lojosho/hibiscuscommons/nms/v1_20_R4/NMSPackets.java

@@ -1,10 +1,10 @@
 package me.lojosho.hibiscuscommons.nms.v1_20_R4;
 
 import com.mojang.datafixers.util.Pair;
+import io.netty.buffer.Unpooled;
+import net.minecraft.network.FriendlyByteBuf;
 import net.minecraft.network.protocol.Packet;
-import net.minecraft.network.protocol.game.ClientboundContainerSetSlotPacket;
+import net.minecraft.network.protocol.game.*;
-import net.minecraft.network.protocol.game.ClientboundSetEquipmentPacket;
-import net.minecraft.network.protocol.game.ClientboundSetPlayerTeamPacket;
 import net.minecraft.server.level.ServerPlayer;
 import net.minecraft.world.entity.EquipmentSlot;
 import net.minecraft.world.entity.player.Inventory;
@@ -18,6 +18,8 @@ import org.bukkit.craftbukkit.scoreboard.CraftScoreboard;
 import org.bukkit.entity.Player;
 import org.bukkit.inventory.ItemStack;
 
+import java.lang.reflect.Constructor;
+import java.nio.ByteBuffer;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.HashMap;
@@ -25,6 +27,44 @@ import java.util.List;
 
 public class NMSPackets extends NMSCommon implements me.lojosho.hibiscuscommons.nms.NMSPackets {
 
+    static Constructor<ClientboundSetPassengersPacket> passengerConstructor;
+    static Constructor<ClientboundSetEntityLinkPacket> linkConstructor;
+    static Constructor<ClientboundTeleportEntityPacket> teleportConstructor;
+    static Constructor<ClientboundSetCameraPacket> cameraConstructor;
+    static Constructor<ClientboundPlayerLookAtPacket> lookAtConstructor;
+    static {
+        try {
+            passengerConstructor = ClientboundSetPassengersPacket.class.getDeclaredConstructor(FriendlyByteBuf.class);
+            passengerConstructor.setAccessible(true);
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+        try {
+            linkConstructor = ClientboundSetEntityLinkPacket.class.getDeclaredConstructor(FriendlyByteBuf.class);
+            linkConstructor.setAccessible(true);
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+        try {
+            teleportConstructor = ClientboundTeleportEntityPacket.class.getDeclaredConstructor(FriendlyByteBuf.class);
+            teleportConstructor.setAccessible(true);
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+        try {
+            cameraConstructor = ClientboundSetCameraPacket.class.getDeclaredConstructor(FriendlyByteBuf.class);
+            cameraConstructor.setAccessible(true);
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+        try {
+            lookAtConstructor = ClientboundPlayerLookAtPacket.class.getDeclaredConstructor(FriendlyByteBuf.class);
+            lookAtConstructor.setAccessible(true);
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+
     @Override
     public void sendEquipmentSlotUpdate(
             int entityId,
@@ -113,4 +153,73 @@ public class NMSPackets extends NMSCommon implements me.lojosho.hibiscuscommons.
             add(name);
         }}, ClientboundSetPlayerTeamPacket.Action.ADD);
         sendPacket(player, createPlayerTeamPacket);
-    }}
+    }
+
+    @Override
+    public void sendMountPacket(int mountId, int[] passengerIds, List<Player> sendTo) {
+        FriendlyByteBuf byteBuf = new FriendlyByteBuf(Unpooled.buffer());
+        byteBuf.writeInt(mountId);
+        byteBuf.writeVarIntArray(passengerIds);
+        try {
+            ClientboundSetPassengersPacket packet = passengerConstructor.newInstance(byteBuf);
+            for (Player p : sendTo) sendPacket(p, packet);
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+
+    @Override
+    public void sendLeashPacket(int leashEntity, int entityId, List<Player> sendTo) {
+        FriendlyByteBuf byteBuf = new FriendlyByteBuf(Unpooled.buffer());
+        byteBuf.writeInt(leashEntity);
+        byteBuf.writeInt(entityId);
+        try {
+            ClientboundSetEntityLinkPacket packet = linkConstructor.newInstance(byteBuf);
+            for (Player p : sendTo) sendPacket(p, packet);
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+
+    @Override
+    public void sendTeleportPacket(
+            int entityId,
+            double x,
+            double y,
+            double z,
+            float yaw,
+            float pitch,
+            boolean onGround,
+            List<Player> sendTo
+    ) {
+        FriendlyByteBuf byteBuf = new FriendlyByteBuf(Unpooled.buffer());
+        byteBuf.writeInt(entityId);
+        byteBuf.writeDouble(x);
+        byteBuf.writeDouble(y);
+        byteBuf.writeDouble(z);
+        byteBuf.writeByte((byte) (yaw * 256.0F / 360.0F));
+        byteBuf.writeByte((byte) (pitch * 256.0F / 360.0F));
+        byteBuf.writeBoolean(onGround);
+
+        try {
+            ClientboundTeleportEntityPacket packet = teleportConstructor.newInstance(byteBuf);
+            for (Player p : sendTo) sendPacket(p, packet);
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+
+    @Override
+    public void sendRotationPacket(int entityId, float yaw, boolean onGround, List<Player> sendTo) {
+        FriendlyByteBuf byteBuf = new FriendlyByteBuf(Unpooled.buffer());
+        byteBuf.writeInt(entityId);
+        byteBuf.writeFloat(yaw);
+        byteBuf.writeBoolean(onGround);
+        try {
+            ClientboundPlayerLookAtPacket packet = lookAtConstructor.newInstance(byteBuf);
+            for (Player p : sendTo) sendPacket(p, packet);
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+}

v1_21_R1/src/main/java/me/lojosho/hibiscuscommons/nms/v1_21_R1/NMSPackets.java

@@ -1,10 +1,10 @@
 package me.lojosho.hibiscuscommons.nms.v1_21_R1;
 
 import com.mojang.datafixers.util.Pair;
+import io.netty.buffer.Unpooled;
+import net.minecraft.network.FriendlyByteBuf;
 import net.minecraft.network.protocol.Packet;
-import net.minecraft.network.protocol.game.ClientboundContainerSetSlotPacket;
+import net.minecraft.network.protocol.game.*;
-import net.minecraft.network.protocol.game.ClientboundSetEquipmentPacket;
-import net.minecraft.network.protocol.game.ClientboundSetPlayerTeamPacket;
 import net.minecraft.server.level.ServerPlayer;
 import net.minecraft.world.entity.EquipmentSlot;
 import net.minecraft.world.entity.player.Inventory;
@@ -18,6 +18,8 @@ import org.bukkit.craftbukkit.scoreboard.CraftScoreboard;
 import org.bukkit.entity.Player;
 import org.bukkit.inventory.ItemStack;
 
+import java.lang.reflect.Constructor;
+import java.nio.ByteBuffer;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.HashMap;
@@ -25,6 +27,54 @@ import java.util.List;
 
 public class NMSPackets extends NMSCommon implements me.lojosho.hibiscuscommons.nms.NMSPackets {
 
+    static Constructor<ClientboundSetPassengersPacket> passengerConstructor;
+    static Constructor<ClientboundSetEntityLinkPacket> linkConstructor;
+    static Constructor<ClientboundTeleportEntityPacket> teleportConstructor;
+    static Constructor<ClientboundSetCameraPacket> cameraConstructor;
+    static Constructor<ClientboundPlayerLookAtPacket> lookAtConstructor;
+    static Constructor<ClientboundRotateHeadPacket> rotationConstructor;
+
+    static {
+        try {
+            passengerConstructor = ClientboundSetPassengersPacket.class.getDeclaredConstructor(FriendlyByteBuf.class);
+            passengerConstructor.setAccessible(true);
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+        try {
+            linkConstructor = ClientboundSetEntityLinkPacket.class.getDeclaredConstructor(FriendlyByteBuf.class);
+            linkConstructor.setAccessible(true);
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+        try {
+            teleportConstructor = ClientboundTeleportEntityPacket.class.getDeclaredConstructor(FriendlyByteBuf.class);
+            teleportConstructor.setAccessible(true);
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+        try {
+            cameraConstructor = ClientboundSetCameraPacket.class.getDeclaredConstructor(FriendlyByteBuf.class);
+            cameraConstructor.setAccessible(true);
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+        try {
+            lookAtConstructor = ClientboundPlayerLookAtPacket.class.getDeclaredConstructor(FriendlyByteBuf.class);
+            lookAtConstructor.setAccessible(true);
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+        try {
+            rotationConstructor = ClientboundRotateHeadPacket.class.getDeclaredConstructor(FriendlyByteBuf.class);
+            rotationConstructor.setAccessible(true);
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+
+    }
+
+
     @Override
     public void sendEquipmentSlotUpdate(
             int entityId,
@@ -113,4 +163,73 @@ public class NMSPackets extends NMSCommon implements me.lojosho.hibiscuscommons.
             add(name);
         }}, ClientboundSetPlayerTeamPacket.Action.ADD);
         sendPacket(player, createPlayerTeamPacket);
-    }}
+    }
+
+    @Override
+    public void sendMountPacket(int mountId, int[] passengerIds, List<Player> sendTo) {
+        FriendlyByteBuf byteBuf = new FriendlyByteBuf(Unpooled.buffer());
+        byteBuf.writeInt(mountId);
+        byteBuf.writeVarIntArray(passengerIds);
+        try {
+            ClientboundSetPassengersPacket packet = passengerConstructor.newInstance(byteBuf);
+            for (Player p : sendTo) sendPacket(p, packet);
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+
+    @Override
+    public void sendLeashPacket(int leashEntity, int entityId, List<Player> sendTo) {
+        FriendlyByteBuf byteBuf = new FriendlyByteBuf(Unpooled.buffer());
+        byteBuf.writeInt(leashEntity);
+        byteBuf.writeInt(entityId);
+        try {
+            ClientboundSetEntityLinkPacket packet = linkConstructor.newInstance(byteBuf);
+            for (Player p : sendTo) sendPacket(p, packet);
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+
+    @Override
+    public void sendTeleportPacket(
+            int entityId,
+            double x,
+            double y,
+            double z,
+            float yaw,
+            float pitch,
+            boolean onGround,
+            List<Player> sendTo
+    ) {
+        FriendlyByteBuf byteBuf = new FriendlyByteBuf(Unpooled.buffer());
+        byteBuf.writeInt(entityId);
+        byteBuf.writeDouble(x);
+        byteBuf.writeDouble(y);
+        byteBuf.writeDouble(z);
+        byteBuf.writeByte((byte) (yaw * 256.0F / 360.0F));
+        byteBuf.writeByte((byte) (pitch * 256.0F / 360.0F));
+        byteBuf.writeBoolean(onGround);
+
+        try {
+            ClientboundTeleportEntityPacket packet = teleportConstructor.newInstance(byteBuf);
+            for (Player p : sendTo) sendPacket(p, packet);
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+
+    @Override
+    public void sendRotationPacket(int entityId, float yaw, boolean onGround, List<Player> sendTo) {
+        FriendlyByteBuf byteBuf = new FriendlyByteBuf(Unpooled.buffer());
+        byteBuf.writeInt(entityId);
+        byteBuf.writeFloat(yaw);
+        byteBuf.writeBoolean(onGround);
+        try {
+            ClientboundPlayerLookAtPacket packet = lookAtConstructor.newInstance(byteBuf);
+            for (Player p : sendTo) sendPacket(p, packet);
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+}

v1_21_R2/src/main/java/me/lojosho/hibiscuscommons/nms/v1_21_R2/NMSPackets.java

@@ -1,13 +1,16 @@
 package me.lojosho.hibiscuscommons.nms.v1_21_R2;
 
 import com.mojang.datafixers.util.Pair;
+import io.netty.buffer.Unpooled;
+import net.minecraft.network.FriendlyByteBuf;
 import net.minecraft.network.protocol.Packet;
-import net.minecraft.network.protocol.game.ClientboundContainerSetSlotPacket;
+import net.minecraft.network.protocol.game.*;
-import net.minecraft.network.protocol.game.ClientboundSetEquipmentPacket;
-import net.minecraft.network.protocol.game.ClientboundSetPlayerTeamPacket;
 import net.minecraft.server.level.ServerPlayer;
 import net.minecraft.world.entity.EquipmentSlot;
+import net.minecraft.world.entity.PositionMoveRotation;
 import net.minecraft.world.entity.player.Inventory;
+import net.minecraft.world.level.portal.TeleportTransition;
+import net.minecraft.world.phys.Vec3;
 import net.minecraft.world.scores.PlayerTeam;
 import net.minecraft.world.scores.Team;
 import org.bukkit.Bukkit;
@@ -16,8 +19,11 @@ import org.bukkit.craftbukkit.entity.CraftPlayer;
 import org.bukkit.craftbukkit.inventory.CraftItemStack;
 import org.bukkit.craftbukkit.scoreboard.CraftScoreboard;
 import org.bukkit.entity.Player;
+import org.bukkit.event.player.PlayerTeleportEvent;
 import org.bukkit.inventory.ItemStack;
 
+import java.lang.reflect.Constructor;
+import java.nio.ByteBuffer;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.HashMap;
@@ -25,6 +31,37 @@ import java.util.List;
 
 public class NMSPackets extends NMSCommon implements me.lojosho.hibiscuscommons.nms.NMSPackets {
 
+    static Constructor<ClientboundSetPassengersPacket> passengerConstructor;
+    static Constructor<ClientboundSetEntityLinkPacket> linkConstructor;
+    static Constructor<ClientboundSetCameraPacket> cameraConstructor;
+    static Constructor<ClientboundPlayerLookAtPacket> lookAtConstructor;
+    static {
+        try {
+            passengerConstructor = ClientboundSetPassengersPacket.class.getDeclaredConstructor(FriendlyByteBuf.class);
+            passengerConstructor.setAccessible(true);
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+        try {
+            linkConstructor = ClientboundSetEntityLinkPacket.class.getDeclaredConstructor(FriendlyByteBuf.class);
+            linkConstructor.setAccessible(true);
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+        try {
+            cameraConstructor = ClientboundSetCameraPacket.class.getDeclaredConstructor(FriendlyByteBuf.class);
+            cameraConstructor.setAccessible(true);
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+        try {
+            lookAtConstructor = ClientboundPlayerLookAtPacket.class.getDeclaredConstructor(FriendlyByteBuf.class);
+            lookAtConstructor.setAccessible(true);
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+
     @Override
     public void sendEquipmentSlotUpdate(
             int entityId,
@@ -113,4 +150,65 @@ public class NMSPackets extends NMSCommon implements me.lojosho.hibiscuscommons.
             add(name);
         }}, ClientboundSetPlayerTeamPacket.Action.ADD);
         sendPacket(player, createPlayerTeamPacket);
-    }}
+    }
+
+
+    @Override
+    public void sendMountPacket(int mountId, int[] passengerIds, List<Player> sendTo) {
+        FriendlyByteBuf byteBuf = new FriendlyByteBuf(Unpooled.buffer());
+        byteBuf.writeInt(mountId);
+        byteBuf.writeVarIntArray(passengerIds);
+        try {
+            ClientboundSetPassengersPacket packet = passengerConstructor.newInstance(byteBuf);
+            for (Player p : sendTo) sendPacket(p, packet);
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+
+    @Override
+    public void sendLeashPacket(int leashEntity, int entityId, List<Player> sendTo) {
+        FriendlyByteBuf byteBuf = new FriendlyByteBuf(Unpooled.buffer());
+        byteBuf.writeInt(leashEntity);
+        byteBuf.writeInt(entityId);
+        try {
+            ClientboundSetEntityLinkPacket packet = linkConstructor.newInstance(byteBuf);
+            for (Player p : sendTo) sendPacket(p, packet);
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+
+    @Override
+    public void sendTeleportPacket(
+            int entityId,
+            double x,
+            double y,
+            double z,
+            float yaw,
+            float pitch,
+            boolean onGround,
+            List<Player> sendTo
+    ) {
+        try {
+            ClientboundTeleportEntityPacket packet = ClientboundTeleportEntityPacket.teleport(entityId, new PositionMoveRotation(new Vec3(x, y, z), Vec3.ZERO, yaw, pitch), java.util.Set.of(), onGround);
+            for (Player p : sendTo) sendPacket(p, packet);
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+
+    @Override
+    public void sendRotationPacket(int entityId, float yaw, boolean onGround, List<Player> sendTo) {
+        FriendlyByteBuf byteBuf = new FriendlyByteBuf(Unpooled.buffer());
+        byteBuf.writeInt(entityId);
+        byteBuf.writeFloat(yaw);
+        byteBuf.writeBoolean(onGround);
+        try {
+            ClientboundPlayerLookAtPacket packet = lookAtConstructor.newInstance(byteBuf);
+            for (Player p : sendTo) sendPacket(p, packet);
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+}