Lighting optimization (caching shadow vertices & only checking hulls in range if the position or range of the light changes), ragdoll optimization, itemcomponent optimization, dragging stunned/dead characters

Subsurface/Source/Characters/AnimController.cs

@@ -57,5 +57,6 @@ namespace Subsurface
 
         public virtual void HoldItem(float deltaTime, Item item, Vector2[] handlePos, Vector2 holdPos, Vector2 aimPos, bool aim, float holdAngle) { }
 
+        public virtual void DragCharacter(Character target) { }
    }
 }