diff --git a/src/AcDream.App/Rendering/GameWindow.cs b/src/AcDream.App/Rendering/GameWindow.cs
index d395772..7017a65 100644
--- a/src/AcDream.App/Rendering/GameWindow.cs
+++ b/src/AcDream.App/Rendering/GameWindow.cs
@@ -6863,7 +6863,9 @@ public sealed class GameWindow : IDisposable
                 playerVelocity:     _playerController.BodyVelocity,
                 isOnGround:         result.IsOnGround,
                 contactPlaneNormal: _playerController.ContactPlane.Normal,
-                dt: (float)dt);
+                dt:                 (float)dt,
+                cellId:             _playerController.CellId,
+                selfEntityId:       _playerController.LocalEntityId);
 
             // Send outbound movement messages to the live server.
             if (_liveSession is not null)
@@ -10693,6 +10695,7 @@ public sealed class GameWindow : IDisposable
                 _retailChaseCamera = new AcDream.App.Rendering.RetailChaseCamera
                 {
                     Aspect = _chaseCamera.Aspect,
+                    CollisionProbe = new AcDream.App.Rendering.PhysicsCameraCollisionProbe(_physicsEngine),
                 };
             }
             _cameraController.EnterChaseMode(_chaseCamera, _retailChaseCamera);
@@ -10826,6 +10829,7 @@ public sealed class GameWindow : IDisposable
         _retailChaseCamera = new AcDream.App.Rendering.RetailChaseCamera
         {
             Aspect = _window!.Size.X / (float)_window.Size.Y,
+            CollisionProbe = new AcDream.App.Rendering.PhysicsCameraCollisionProbe(_physicsEngine),
         };
         // K.1b: _playerMouseDeltaX is no longer consumed by
         // MovementInput, but we still reset it here so any stale