using System;
using System.Diagnostics;


namespace SpaceInvaders
{
    public class LeftWall : Walls
    {
        //-------------------------------------------------------------------
        //  CONSTRUCTION
        //-------------------------------------------------------------------

        public LeftWall(GameObject.ObjectName objName, Sprite.SpriteName spriteName, float x, float y, float width, float height)
            : base(objName, spriteName, x, y, Walls.WallType.Left)
        {
            this.x = x;
            this.y = y;

            this.pColObj.pCollisionRect.Set(x, y, width, height);
            this.pColObj.pCollisionSprite.SetColor(1.0f, 1.0f, 0.0f);
        }


        //-------------------------------------------------------------------
        //  PUBLIC METHODS
        //-------------------------------------------------------------------

        public override void Update()
        {
            base.Update();
        }


        //-------------------------------------------------------------------
        //  VISITOR METHODS
        //-------------------------------------------------------------------

        public override void Accept(Visitor other)
        {
            other.Visit(this);
        }

        public override void Visit(AlienGrid alien)
        {
            //Debug.WriteLine("\ncollide: {0} with {1}", this, alien);

            //alien grid vs left wall
            CollisionPair pPair = CollisionPairMan.GetActivePair();
            Debug.Assert(pPair != null);

            pPair.SetCollision(alien, this);
            pPair.NotifyListeners();
        }

        //Ship collision
        public override void Visit(ShipRoot ship)
        {
            //ship group vs left bumper
            CollisionPair.CollidePair((GameObject)ForwardIterator.GetChild(ship), this);
        }

        public override void Visit(Ship ship)
        {
            //Debug.WriteLine("\ncollide: {0} with {1}", this, ship);

            //ship vs left bumper
            CollisionPair pPair = CollisionPairMan.GetActivePair();
            Debug.Assert(pPair != null);

            pPair.SetCollision(ship, this);
            pPair.NotifyListeners();
        }


    }
}