Add SetPassengers packet

api/src/main/java/de/oliver/fancysitula/api/packets/FS_ClientboundSetPassengersPacket.java

@@ -0,0 +1,30 @@
+package de.oliver.fancysitula.api.packets;
+
+import java.util.List;
+
+public abstract class FS_ClientboundSetPassengersPacket implements FS_ClientboundPacket {
+
+    protected int entityId;
+    protected List<Integer> passengers;
+
+    public FS_ClientboundSetPassengersPacket(int entityId, List<Integer> passengers) {
+        this.entityId = entityId;
+        this.passengers = passengers;
+    }
+
+    public int getEntityId() {
+        return entityId;
+    }
+
+    public void setEntityId(int entityId) {
+        this.entityId = entityId;
+    }
+
+    public List<Integer> getPassengers() {
+        return passengers;
+    }
+
+    public void setPassengers(List<Integer> passengers) {
+        this.passengers = passengers;
+    }
+}

factories/src/main/java/de/oliver/fancysitula/factories/PacketFactory.java

@@ -290,4 +290,30 @@ public FS_ClientboundSetEquipmentPacket createSetEquipmentPacket(ServerVersion s
     public FS_ClientboundSetEquipmentPacket createSetEquipmentPacket(int entityId, Map<FS_EquipmentSlot, ItemStack> equipment) {
         return createSetEquipmentPacket(ServerVersion.getCurrentVersion(), entityId, equipment);
     }
+
+    /**
+     * Creates a new FS_ClientboundSetPassengersPacket instance based on the server version
+     *
+     * @param entityId   ID of the vehicle entity
+     * @param passengers List of entity IDs to set as passengers
+     */
+    public FS_ClientboundSetPassengersPacket createSetPassengersPacket(
+            ServerVersion serverVersion, int entityId, List<Integer> passengers) {
+        switch (serverVersion) {
+            case v1_20_5, v1_20_6, v1_21, v1_21_1 -> {
+                return new de.oliver.fancysitula.versions.v1_20_6.packets.ClientboundSetPassengersPacketImpl(entityId, passengers);
+            }
+            default -> throw new IllegalArgumentException("Unsupported server version: " + serverVersion.getVersion());
+        }
+    }
+
+    /**
+     * Creates a new FS_ClientboundSetPassengersPacket instance based on the current server version
+     *
+     * @param entityId   ID of the vehicle entity
+     * @param passengers List of entity IDs to set as passengers
+     */
+    public FS_ClientboundSetPassengersPacket createSetPassengersPacket(int entityId, List<Integer> passengers) {
+        return createSetPassengersPacket(ServerVersion.getCurrentVersion(), entityId, passengers);
+    }
 }

implementations/1_20_6/src/main/java/de/oliver/fancysitula/versions/v1_20_6/packets/ClientboundSetPassengersPacketImpl.java

@@ -0,0 +1,45 @@
+package de.oliver.fancysitula.versions.v1_20_6.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_20_6.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 send(FS_RealPlayer player) {
+        ClientboundSetPassengersPacket packet = (ClientboundSetPassengersPacket) createPacket();
+
+        ServerPlayer vanillaPlayer = VanillaPlayerAdapter.asVanilla(player.getBukkitPlayer());
+        vanillaPlayer.connection.send(packet);
+    }
+}

implementations/1_20_6/src/test/java/de/oliver/fancysitula/versions/v1_20_6/packets/ClientboundSetPassengersPacketImplTest.java

@@ -0,0 +1,28 @@
+package de.oliver.fancysitula.versions.v1_20_6.packets;
+
+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;
+    }
+}