public class AnimationContentReader : ContentTypeReader<Lib.Animation>
        {
            protected override Animation Read(
                    ContentReader input,
                    Animation existingInstance)
            {

                Animation anim = existingInstance;

                if (anim == null)
                {
                    anim = new Animation();
                }

                anim.filename = input.ReadString();
                anim.Current_Frame = input.ReadInt32();
                anim.Number_Of_Frames = input.ReadInt32();
                anim.Max_Time_Per_Frame = input.ReadSingle();
                anim.Animate_Once = input.ReadBoolean();

                anim.Rect = new List<Rectangle>();
                anim.Rect = (List<Rectangle>)input.ReadObject<List<Rectangle>>();
                anim.Vector2 = new List<Vector2>();
                anim.Vector2 = (List<Vector2>)input.ReadObject<List<Vector2>>();
                anim.Number_Of_Collision_Rects = new List<int>();
                anim.Number_Of_Collision_Rects = (List<int>)input.ReadObject<List<int>>();
                anim.CollisionRects = new List<Rect>();
                anim.CollisionRects = (List<Rect>)input.ReadObject<List<Rect>>();

                return anim;
            }
        }