WiP movement prediction.

Content.Client/GameObjects/Components/Mobs/StunnableComponent.cs

@@ -0,0 +1,43 @@
+using Content.Shared.GameObjects.Components.Mobs;
+using Content.Shared.GameObjects.Components.Movement;
+using Robust.Shared.GameObjects;
+
+#nullable enable
+
+namespace Content.Client.GameObjects.Components.Mobs
+{
+    [RegisterComponent]
+    [ComponentReference(typeof(SharedStunnableComponent))]
+    public class StunnableComponent : SharedStunnableComponent
+    {
+        private bool _stunned;
+        private bool _knockedDown;
+        private bool _slowedDown;
+
+        public override bool Stunned => _stunned;
+        public override bool KnockedDown => _knockedDown;
+        public override bool SlowedDown => _slowedDown;
+
+        public override void HandleComponentState(ComponentState? curState, ComponentState? nextState)
+        {
+            base.HandleComponentState(curState, nextState);
+
+            if (!(curState is StunnableComponentState state))
+            {
+                return;
+            }
+
+            _stunned = state.Stunned;
+            _knockedDown = state.KnockedDown;
+            _slowedDown = state.SlowedDown;
+
+            WalkModifierOverride = state.WalkModifierOverride;
+            RunModifierOverride = state.RunModifierOverride;
+
+            if (Owner.TryGetComponent(out MovementSpeedModifierComponent movement))
+            {
+                movement.RefreshMovementSpeedModifiers();
+            }
+        }
+    }
+}