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NitroxServer/Communication/Packets/Processors/VehicleMovementsPacketProcessor.cs

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+using NitroxModel.DataStructures.GameLogic.Entities;
+using NitroxModel.DataStructures.Unity;
+using NitroxModel.Packets;
+using NitroxServer.Communication.Packets.Processors.Abstract;
+using NitroxServer.GameLogic;
+using NitroxServer.GameLogic.Entities;
+
+namespace NitroxServer.Communication.Packets.Processors;
+
+public class VehicleMovementsPacketProcessor : AuthenticatedPacketProcessor<VehicleMovements>
+{
+    private static readonly NitroxVector3 CyclopsSteeringWheelRelativePosition = new(-0.05f, 0.97f, -23.54f);
+
+    private readonly PlayerManager playerManager;
+    private readonly EntityRegistry entityRegistry;
+    private readonly SimulationOwnershipData simulationOwnershipData;
+
+    public VehicleMovementsPacketProcessor(PlayerManager playerManager, EntityRegistry entityRegistry, SimulationOwnershipData simulationOwnershipData)
+    {
+        this.playerManager = playerManager;
+        this.entityRegistry = entityRegistry;
+        this.simulationOwnershipData = simulationOwnershipData;
+    }
+
+    public override void Process(VehicleMovements packet, Player player)
+    {
+        for (int i = packet.Data.Count - 1; i >= 0; i--)
+        {
+            MovementData movementData = packet.Data[i];
+            if (simulationOwnershipData.GetPlayerForLock(movementData.Id) != player)
+            {
+                Log.WarnOnce($"Player {player.Name} tried updating {movementData.Id}'s position but they don't have the lock on it");
+                // TODO: In the future, add "packet.Data.RemoveAt(i);" and "continue;" to prevent those abnormal situations
+            }
+
+            if (entityRegistry.TryGetEntityById(movementData.Id, out WorldEntity worldEntity))
+            {
+                worldEntity.Transform.Position = movementData.Position;
+                worldEntity.Transform.Rotation = movementData.Rotation;
+
+                if (movementData is DrivenVehicleMovementData)
+                {
+                    // Cyclops' driving wheel is at a known position so we need to adapt the position of the player accordingly
+                    if (worldEntity.TechType.Name.Equals("Cyclops"))
+                    {
+                        player.Entity.Transform.LocalPosition = CyclopsSteeringWheelRelativePosition;
+                        player.Position = player.Entity.Transform.Position;
+                    }
+                    else
+                    {
+                        player.Position = movementData.Position;
+                        player.Rotation = movementData.Rotation;
+                    }
+                }
+            }
+        }
+
+        if (packet.Data.Count > 0)
+        {
+            playerManager.SendPacketToOtherPlayers(packet, player);
+        }
+    }
+}