Fix fishes (and leviathans) movement

NitroxClient/MonoBehaviours/RemotelyControlled.cs

@@ -53,18 +53,23 @@ public void UpdateOrientation(Vector3 position, Quaternion rotation)
         smoothRotation.Target = rotation;
     }
 
-    public void UpdateKnownSplineUser(Vector3 currentPosition, Quaternion currentRotation, Vector3 destination, Vector3 desinationDirection, float velocity)
+    public void UpdateKnownSplineUser(Vector3 currentPosition, Quaternion currentRotation, Vector3 destination, Vector3 destinationDirection, float velocity)
     {
         TeleportIfTooFar(currentPosition, currentRotation);
 
         if (swimBehaviour)
         {
-            swimBehaviour.SwimToInternal(destination, desinationDirection, velocity, false);
+            // First lines of SwimBehaviour.SwimToInternal
+            swimBehaviour.originalTargetPosition = destination;
+            swimBehaviour.originalTargetDirection = destinationDirection;
+            swimBehaviour.originalVelocity = velocity;
+            // Only the useful part of the methods called in SwimBehaviour.SwimToInternal
+            swimBehaviour.splineFollowing.GoTo(destination, destinationDirection, velocity);
         }
 
         if (walkBehaviour)
         {
-            walkBehaviour.GoToInternal(destination, desinationDirection, velocity);
+            walkBehaviour.GoToInternal(destination, destinationDirection, velocity);
         }
     }
 

NitroxPatcher/Patches/Dynamic/SwimBehaviour_ManagedUpdate_Patch.cs

@@ -0,0 +1,18 @@
+using System.Reflection;
+using NitroxClient.MonoBehaviours;
+using NitroxModel.Helper;
+
+namespace NitroxPatcher.Patches.Dynamic;
+
+/// <summary>
+/// Prevents <see cref="SwimBehaviour.ManagedUpdate"/> from happening on remotely controlled fishes (so their remote trajectory isn not modified)
+/// </summary>
+public sealed partial class SwimBehaviour_ManagedUpdate_Patch : NitroxPatch, IDynamicPatch
+{
+    private static readonly MethodInfo TARGET_METHOD = Reflect.Method((SwimBehaviour t) => t.ManagedUpdate());
+
+    public static bool Prefix(SwimBehaviour __instance)
+    {
+        return !__instance.GetComponent<RemotelyControlled>();
+    }
+}