public override void Initialize()
{
this.poGameObjectManager = new GameObjectManager(3, 1);
GameObjectManager.SetActive(this.poGameObjectManager);
this.poTimerManager = new TimerManager(3, 1);
TimerManager.SetActive(this.poTimerManager);
this.poCollisionPairManager = new CollisionPairManager(3, 1);
CollisionPairManager.SetActive(this.poCollisionPairManager);
//---------------------------------------------------------------------------------------------------------
// Create SpriteBatch
//---------------------------------------------------------------------------------------------------------
this.poSpriteBatchManager = new SpriteBatchManager(3, 1);
SpriteBatchManager.SetActive(this.poSpriteBatchManager);
SpriteBatch pAliensBatch = SpriteBatchManager.Add(SpriteBatch.Name.Aliens, 1);
SpriteBatch pBoxBatch = SpriteBatchManager.Add(SpriteBatch.Name.Boxes, 2);
SpriteBatch pShieldsBatch = SpriteBatchManager.Add(SpriteBatch.Name.Shields, 3);
SpriteBatch pNullBatch = SpriteBatchManager.Add(SpriteBatch.Name.NullObjects, 4);
SpriteBatch pTexts = SpriteBatchManager.Add(SpriteBatch.Name.Texts, 5);
pBoxBatch.SetDrawBool(false);
//---------------------------------------------------------------------------------------------------------
// Input
//---------------------------------------------------------------------------------------------------------
this.poInputManager = new InputManager();
InputManager.SetActive(this.poInputManager);
InputSubject pInputSubject;
pInputSubject = InputManager.GetArrowRightSubject();
pInputSubject.Attach(new MoveRightObserver());
pInputSubject = InputManager.GetArrowLeftSubject();
pInputSubject.Attach(new MoveLeftObserver());
pInputSubject = InputManager.GetSpaceSubject();
pInputSubject.Attach(new ShootObserver());
pInputSubject.Attach(new ShootSoundObserver());
pInputSubject = InputManager.GetCKeySubject();
pInputSubject.Attach(new ToggleCollisionBoxObserver());
Simulation.SetState(Simulation.State.Realtime);
//---------------------------------------------------------------------------------------------------------
// Create Texts
//---------------------------------------------------------------------------------------------------------
this.poFontManager = new FontManager(3, 1);
FontManager.SetActive(this.poFontManager);
FontManager.Add(Font.Name.Header, SpriteBatch.Name.Texts, "SCORE<1> HI-SCORE SCORE<2>", 20f, SpaceInvaders.ScreenHeight - 20f, 15f, 25f);
FontManager.Add(Font.Name.Player1Score, SpriteBatch.Name.Texts, "0000", 65f, SpaceInvaders.ScreenHeight - 70f, 15f, 25f);
FontManager.Add(Font.Name.Player2Score, SpriteBatch.Name.Texts, "0000", SpaceInvaders.ScreenWidth - 156f, SpaceInvaders.ScreenHeight - 70f, 15f, 25f);
FontManager.Add(Font.Name.HiScore, SpriteBatch.Name.Texts, "0000", 380f, SpaceInvaders.ScreenHeight - 70f, 15f, 25f);
FontManager.Add(Font.Name.Lives, SpriteBatch.Name.Texts, "3", 40f, 40f, 15f, 25f);
//---------------------------------------------------------------------------------------------------------
// Create Walls
//---------------------------------------------------------------------------------------------------------
// Wall Root
WallGroup pWallGroup = new WallGroup(GameObject.Name.WallGroup, GameSprite.Name.NullObject, 0.0f, 0.0f);
pWallGroup.ActivateGameSprite(pAliensBatch);//even need this?
pWallGroup.ActivateCollisionSprite(pBoxBatch);
WallRight pWallRight = new WallRight(GameObject.Name.WallRight, GameSprite.Name.NullObject, SpaceInvaders.ScreenWidth - 15, SpaceInvaders.ScreenHeight / 2, 20, SpaceInvaders.ScreenHeight - 110);
pWallRight.ActivateCollisionSprite(pBoxBatch);
WallLeft pWallLeft = new WallLeft(GameObject.Name.WallLeft, GameSprite.Name.NullObject, 20, SpaceInvaders.ScreenHeight / 2, 20, SpaceInvaders.ScreenHeight - 110);
pWallLeft.ActivateCollisionSprite(pBoxBatch);
WallTop pWallTop = new WallTop(GameObject.Name.WallTop, GameSprite.Name.NullObject, 450, SpaceInvaders.ScreenHeight - 70, SpaceInvaders.ScreenWidth - 10, 30);
pWallTop.ActivateCollisionSprite(pBoxBatch);
WallBottom pWallBottom = new WallBottom(GameObject.Name.WallBottom, GameSprite.Name.Ground, 450, 60, SpaceInvaders.ScreenWidth - 10, 5);
pWallBottom.ActivateGameSprite(pAliensBatch);
pWallBottom.ActivateCollisionSprite(pBoxBatch);
// Add to the composite the children
pWallGroup.Add(pWallRight);
pWallGroup.Add(pWallLeft);
pWallGroup.Add(pWallTop);
pWallGroup.Add(pWallBottom);
GameObjectManager.Attach(pWallGroup);
//---------------------------------------------------------------------------------------------------------
// Create Bomb Root
//---------------------------------------------------------------------------------------------------------
BombRoot pBombRoot = new BombRoot(GameObject.Name.BombRoot, GameSprite.Name.NullObject, 0.0f, 0.0f);
pBombRoot.ActivateGameSprite(pAliensBatch);//change? even need this?
pBombRoot.ActivateCollisionSprite(pBoxBatch);
GameObjectManager.Attach(pBombRoot);
DropBombEvent pBombEvent = new DropBombEvent();
TimerManager.Add(TimeEvent.Name.DropBomb, pBombEvent, 3.0f);
//---------------------------------------------------------------------------------------------------------
// Create Missile Root
//---------------------------------------------------------------------------------------------------------
// Missile Root
MissileGroup pMissileGroup = new MissileGroup(GameObject.Name.MissileGroup, GameSprite.Name.NullObject, 0.0f, 0.0f);
pMissileGroup.ActivateGameSprite(pAliensBatch);//change? even need this?
pMissileGroup.ActivateCollisionSprite(pBoxBatch);
GameObjectManager.Attach(pMissileGroup);
//---------------------------------------------------------------------------------------------------------
// Create Ship Root
//---------------------------------------------------------------------------------------------------------
ShipRoot pShipRoot = new ShipRoot(GameObject.Name.ShipRoot, GameSprite.Name.NullObject, 0.0f, 0.0f);
pShipRoot.ActivateGameSprite(pAliensBatch);//change? even need this?
pShipRoot.ActivateCollisionSprite(pBoxBatch);
GameObjectManager.Attach(pShipRoot);
ShipManager.ActivateShip();
ShipManager.ActivateMissile();
//---------------------------------------------------------------------------------------------------------
// Create UFO and UFO Root
//---------------------------------------------------------------------------------------------------------
UFORoot pUFORoot = new UFORoot(GameObject.Name.UFORoot, GameSprite.Name.NullObject, 0.0f, 0.0f);
pUFORoot.ActivateGameSprite(pAliensBatch);//change? even need this?
pUFORoot.ActivateCollisionSprite(pBoxBatch);
GameObjectManager.Attach(pUFORoot);
OrangeSaucer pUFO = new OrangeSaucer(GameObject.Name.OrangeSaucer, GameSprite.Name.OrangeSaucer, 20f, SpaceInvaders.ScreenHeight - 110f);
pUFO.ActivateGameSprite(pAliensBatch);//change? even need this?
pUFO.ActivateCollisionSprite(pBoxBatch);
pUFORoot.Add(pUFO);
pUFO.Remove();
SpawnUFOEvent pUFOEvent = new SpawnUFOEvent();
TimerManager.Add(TimeEvent.Name.UFOSpawn, pUFOEvent, RandomManager.RandomInt(15, 45));
//---------------------------------------------------------------------------------------------------------
// Create Aliens
//---------------------------------------------------------------------------------------------------------
AlienFactory AF = new AlienFactory(SpriteBatch.Name.Aliens, SpriteBatch.Name.Boxes);
AlienGrid pAlienGrid = (AlienGrid)AF.Create(GameObject.Name.AlienGrid);
for (int i = 0; i < 11; i++)
{
GameObject pCol = AF.Create(GameObject.Name.AlienColumn);
GameObject pGameObject;
pGameObject = AF.Create(GameObject.Name.PurpleOctopus, 50.0f + 66 * i, SpaceInvaders.ScreenHeight - 364f);
pCol.Add(pGameObject);
pGameObject = AF.Create(GameObject.Name.PurpleOctopus, 50.0f + 66 * i, SpaceInvaders.ScreenHeight - 298f);
pCol.Add(pGameObject);
pGameObject = AF.Create(GameObject.Name.BlueCrab, 50.0f + 66 * i, SpaceInvaders.ScreenHeight - 232f);
pCol.Add(pGameObject);
pGameObject = AF.Create(GameObject.Name.BlueCrab, 50.0f + 66 * i, SpaceInvaders.ScreenHeight - 166f);
pCol.Add(pGameObject);
pGameObject = AF.Create(GameObject.Name.GreenSquid, 50.0f + 66 * i, SpaceInvaders.ScreenHeight - 100f);
pCol.Add(pGameObject);
pAlienGrid.Add(pCol);
}
GameObjectManager.Attach(pAlienGrid);
pAlienGrid.Attach(new MoveAlienSoundObserver());
pAlienGrid.Attach(new MoveAlienGridObserver());
AlienGridMoveEvent pGridMoveEvent = new AlienGridMoveEvent();
TimerManager.Add(TimeEvent.Name.MoveAlienGrid, pGridMoveEvent, pAlienGrid.GetMoveRate());
//---------------------------------------------------------------------------------------------------------
// Timer Animations
//---------------------------------------------------------------------------------------------------------
// Create an animation sprite
AnimationSprite pAnimOctopus = new AnimationSprite(GameSprite.Name.PurpleOctopus);
AnimationSprite pAnimCrab = new AnimationSprite(GameSprite.Name.BlueCrab);
AnimationSprite pAnimSquid = new AnimationSprite(GameSprite.Name.GreenSquid);
// attach several images to cycle
pAnimOctopus.Attach(Image.Name.OctopusA);
pAnimOctopus.Attach(Image.Name.OctopusB);
pAnimCrab.Attach(Image.Name.AlienA);
pAnimCrab.Attach(Image.Name.AlienB);
pAnimSquid.Attach(Image.Name.SquidA);
pAnimSquid.Attach(Image.Name.SquidB);
// add AnimationSprite to timer
TimerManager.Add(TimeEvent.Name.SpriteAnimation, pAnimOctopus, pAlienGrid.GetMoveRate());
TimerManager.Add(TimeEvent.Name.SpriteAnimation, pAnimCrab, pAlienGrid.GetMoveRate());
TimerManager.Add(TimeEvent.Name.SpriteAnimation, pAnimSquid, pAlienGrid.GetMoveRate());
//---------------------------------------------------------------------------------------------------------
// Shield
//---------------------------------------------------------------------------------------------------------
// Create the factory
Composite pShieldRoot = (Composite) new ShieldRoot(GameObject.Name.ShieldRoot, GameSprite.Name.NullObject, 0.0f, 0.0f);
GameObjectManager.Attach(pShieldRoot);
ShieldFactory SF = new ShieldFactory(SpriteBatch.Name.Shields, SpriteBatch.Name.Boxes, pShieldRoot);
float start_x = 160.0f;
float start_y = 200.0f;
float off_x;
float brickWidth = 12.0f;
float brickHeight = 7.0f;
GameObject pShieldGrid;
GameObject pShieldCol;
for (int i = 0; i < 4; i++)
{
off_x = 0;
SF.SetParent(pShieldRoot);
pShieldGrid = SF.Create(GameObject.Name.ShieldGrid);
//------Col1
SF.SetParent(pShieldGrid);
pShieldCol = SF.Create(GameObject.Name.ShieldColumn);
SF.SetParent(pShieldCol);
SF.Create(GameObject.Name.ShieldBrick, start_x, start_y);
SF.Create(GameObject.Name.ShieldBrick, start_x, start_y + brickHeight);
SF.Create(GameObject.Name.ShieldBrick, start_x, start_y + 2 * brickHeight);
SF.Create(GameObject.Name.ShieldBrick, start_x, start_y + 3 * brickHeight);
SF.Create(GameObject.Name.ShieldBrick, start_x, start_y + 4 * brickHeight);
SF.Create(GameObject.Name.ShieldBrick, start_x, start_y + 5 * brickHeight);
SF.Create(GameObject.Name.ShieldBrick, start_x, start_y + 6 * brickHeight);
SF.Create(GameObject.Name.ShieldBrick, start_x, start_y + 7 * brickHeight);
SF.Create(GameObject.Name.ShieldBrick_LeftTop1, start_x, start_y + 8 * brickHeight);
SF.Create(GameObject.Name.ShieldBrick_LeftTop0, start_x, start_y + 9 * brickHeight);
//-------Col2
SF.SetParent(pShieldGrid);
pShieldCol = SF.Create(GameObject.Name.ShieldColumn);
SF.SetParent(pShieldCol);
off_x += brickWidth;
SF.Create(GameObject.Name.ShieldBrick, start_x + off_x, start_y);
SF.Create(GameObject.Name.ShieldBrick, start_x + off_x, start_y + brickHeight);
SF.Create(GameObject.Name.ShieldBrick, start_x + off_x, start_y + 2 * brickHeight);
SF.Create(GameObject.Name.ShieldBrick, start_x + off_x, start_y + 3 * brickHeight);
SF.Create(GameObject.Name.ShieldBrick, start_x + off_x, start_y + 4 * brickHeight);
SF.Create(GameObject.Name.ShieldBrick, start_x + off_x, start_y + 5 * brickHeight);
SF.Create(GameObject.Name.ShieldBrick, start_x + off_x, start_y + 6 * brickHeight);
SF.Create(GameObject.Name.ShieldBrick, start_x + off_x, start_y + 7 * brickHeight);
SF.Create(GameObject.Name.ShieldBrick, start_x + off_x, start_y + 8 * brickHeight);
SF.Create(GameObject.Name.ShieldBrick, start_x + off_x, start_y + 9 * brickHeight);
//-------Col3
SF.SetParent(pShieldGrid);
pShieldCol = SF.Create(GameObject.Name.ShieldColumn);
SF.SetParent(pShieldCol);
off_x += brickWidth;
SF.Create(GameObject.Name.ShieldBrick_LeftBottom, start_x + off_x, start_y + 2 * brickHeight);
SF.Create(GameObject.Name.ShieldBrick, start_x + off_x, start_y + 3 * brickHeight);
SF.Create(GameObject.Name.ShieldBrick, start_x + off_x, start_y + 4 * brickHeight);
SF.Create(GameObject.Name.ShieldBrick, start_x + off_x, start_y + 5 * brickHeight);
SF.Create(GameObject.Name.ShieldBrick, start_x + off_x, start_y + 6 * brickHeight);
SF.Create(GameObject.Name.ShieldBrick, start_x + off_x, start_y + 7 * brickHeight);
SF.Create(GameObject.Name.ShieldBrick, start_x + off_x, start_y + 8 * brickHeight);
SF.Create(GameObject.Name.ShieldBrick, start_x + off_x, start_y + 9 * brickHeight);
//-------Col4
SF.SetParent(pShieldGrid);
pShieldCol = SF.Create(GameObject.Name.ShieldColumn);
SF.SetParent(pShieldCol);
off_x += brickWidth;
SF.Create(GameObject.Name.ShieldBrick, start_x + off_x, start_y + 3 * brickHeight);
SF.Create(GameObject.Name.ShieldBrick, start_x + off_x, start_y + 4 * brickHeight);
SF.Create(GameObject.Name.ShieldBrick, start_x + off_x, start_y + 5 * brickHeight);
SF.Create(GameObject.Name.ShieldBrick, start_x + off_x, start_y + 6 * brickHeight);
SF.Create(GameObject.Name.ShieldBrick, start_x + off_x, start_y + 7 * brickHeight);
SF.Create(GameObject.Name.ShieldBrick, start_x + off_x, start_y + 8 * brickHeight);
SF.Create(GameObject.Name.ShieldBrick, start_x + off_x, start_y + 9 * brickHeight);
//-------Col5
SF.SetParent(pShieldGrid);
pShieldCol = SF.Create(GameObject.Name.ShieldColumn);
SF.SetParent(pShieldCol);
off_x += brickWidth;
SF.Create(GameObject.Name.ShieldBrick_RightBottom, start_x + off_x, start_y + 2 * brickHeight);
SF.Create(GameObject.Name.ShieldBrick, start_x + off_x, start_y + 3 * brickHeight);
SF.Create(GameObject.Name.ShieldBrick, start_x + off_x, start_y + 4 * brickHeight);
SF.Create(GameObject.Name.ShieldBrick, start_x + off_x, start_y + 5 * brickHeight);
SF.Create(GameObject.Name.ShieldBrick, start_x + off_x, start_y + 6 * brickHeight);
SF.Create(GameObject.Name.ShieldBrick, start_x + off_x, start_y + 7 * brickHeight);
SF.Create(GameObject.Name.ShieldBrick, start_x + off_x, start_y + 8 * brickHeight);
SF.Create(GameObject.Name.ShieldBrick, start_x + off_x, start_y + 9 * brickHeight);
//-------Col6
SF.SetParent(pShieldGrid);
pShieldCol = SF.Create(GameObject.Name.ShieldColumn);
SF.SetParent(pShieldCol);
off_x += brickWidth;
SF.Create(GameObject.Name.ShieldBrick, start_x + off_x, start_y + 0 * brickHeight);
SF.Create(GameObject.Name.ShieldBrick, start_x + off_x, start_y + 1 * brickHeight);
SF.Create(GameObject.Name.ShieldBrick, start_x + off_x, start_y + 2 * brickHeight);
SF.Create(GameObject.Name.ShieldBrick, start_x + off_x, start_y + 3 * brickHeight);
SF.Create(GameObject.Name.ShieldBrick, start_x + off_x, start_y + 4 * brickHeight);
SF.Create(GameObject.Name.ShieldBrick, start_x + off_x, start_y + 5 * brickHeight);
SF.Create(GameObject.Name.ShieldBrick, start_x + off_x, start_y + 6 * brickHeight);
SF.Create(GameObject.Name.ShieldBrick, start_x + off_x, start_y + 7 * brickHeight);
SF.Create(GameObject.Name.ShieldBrick, start_x + off_x, start_y + 8 * brickHeight);
SF.Create(GameObject.Name.ShieldBrick, start_x + off_x, start_y + 9 * brickHeight);
//-------Col7
SF.SetParent(pShieldGrid);
pShieldCol = SF.Create(GameObject.Name.ShieldColumn);
SF.SetParent(pShieldCol);
off_x += brickWidth;
SF.Create(GameObject.Name.ShieldBrick, start_x + off_x, start_y + 0 * brickHeight);
SF.Create(GameObject.Name.ShieldBrick, start_x + off_x, start_y + 1 * brickHeight);
SF.Create(GameObject.Name.ShieldBrick, start_x + off_x, start_y + 2 * brickHeight);
SF.Create(GameObject.Name.ShieldBrick, start_x + off_x, start_y + 3 * brickHeight);
SF.Create(GameObject.Name.ShieldBrick, start_x + off_x, start_y + 4 * brickHeight);
SF.Create(GameObject.Name.ShieldBrick, start_x + off_x, start_y + 5 * brickHeight);
SF.Create(GameObject.Name.ShieldBrick, start_x + off_x, start_y + 6 * brickHeight);
SF.Create(GameObject.Name.ShieldBrick, start_x + off_x, start_y + 7 * brickHeight);
SF.Create(GameObject.Name.ShieldBrick_RightTop1, start_x + off_x, start_y + 8 * brickHeight);
SF.Create(GameObject.Name.ShieldBrick_RightTop0, start_x + off_x, start_y + 9 * brickHeight);
start_x += 170;
}
//---------------------------------------------------------------------------------------------------------
// Create Null Ship Lives
//---------------------------------------------------------------------------------------------------------
ScenePlay.ShipLives = 3;
PlayerLivesComposite pNullObjs = new PlayerLivesComposite();
Ship pNullShip1 = new Ship(GameObject.Name.Null_Object, GameSprite.Name.Ship, 120.0f, 40.0f);
pNullShip1.ActivateGameSprite(pNullBatch);
pNullObjs.Add(pNullShip1);
Ship pNullShip2 = new Ship(GameObject.Name.Null_Object, GameSprite.Name.Ship, 180.0f, 40.0f);
pNullShip2.ActivateGameSprite(pNullBatch);
pNullObjs.Add(pNullShip2);
GameObjectManager.Attach(pNullObjs);
//---------------------------------------------------------------------------------------------------------
// Create CollisionPairs
//---------------------------------------------------------------------------------------------------------
//Why does the order that left/right wall are added matter??????? reverse order breaks game
CollisionPair pShipWallRightPair = CollisionPairManager.Add(CollisionPair.Name.Ship_Wall_Right, pShipRoot, pWallRight);
Debug.Assert(pShipWallRightPair != null);
CollisionPair pShipWallLeftPair = CollisionPairManager.Add(CollisionPair.Name.Ship_Wall_Left, pShipRoot, pWallLeft);
Debug.Assert(pShipWallLeftPair != null);
CollisionPair pAlienMissilePair = CollisionPairManager.Add(CollisionPair.Name.Alien_Missile, pMissileGroup, pAlienGrid);
Debug.Assert(pAlienMissilePair != null);
CollisionPair pMissileWallPair = CollisionPairManager.Add(CollisionPair.Name.Missile_Wall_Top, pMissileGroup, pWallTop);
Debug.Assert(pMissileWallPair != null);
CollisionPair pAlienWallPair = CollisionPairManager.Add(CollisionPair.Name.Alien_Wall, pAlienGrid, pWallGroup);
Debug.Assert(pAlienWallPair != null);
CollisionPair pAlienWallBottomPair = CollisionPairManager.Add(CollisionPair.Name.Alien_WallBottom, pAlienGrid, pWallBottom);
Debug.Assert(pAlienWallBottomPair != null);
CollisionPair pBombWallPair = CollisionPairManager.Add(CollisionPair.Name.Bomb_Wall_Bottom, pBombRoot, pWallBottom);
Debug.Assert(pBombWallPair != null);
CollisionPair pBombShieldPair = CollisionPairManager.Add(CollisionPair.Name.Bomb_Shield, pBombRoot, pShieldRoot);
Debug.Assert(pBombShieldPair != null);
CollisionPair pMissileShieldPair = CollisionPairManager.Add(CollisionPair.Name.Missile_Shield, pMissileGroup, pShieldRoot);
Debug.Assert(pMissileShieldPair != null);
CollisionPair pBombShipPair = CollisionPairManager.Add(CollisionPair.Name.Bomb_Ship, pBombRoot, ShipManager.GetShip());
Debug.Assert(pBombShipPair != null);
CollisionPair pBombMissilePair = CollisionPairManager.Add(CollisionPair.Name.Bomb_Missile, pBombRoot, ShipManager.GetMissile());
Debug.Assert(pBombMissilePair != null);
CollisionPair pAlienShieldPair = CollisionPairManager.Add(CollisionPair.Name.Alien_Shield, pShieldRoot, pAlienGrid);
Debug.Assert(pAlienShieldPair != null);
CollisionPair pUFOMissilePair = CollisionPairManager.Add(CollisionPair.Name.UFO_Missile, pMissileGroup, pUFORoot);
Debug.Assert(pUFOMissilePair != null);
//TODO consolidate these news
pShipWallLeftPair.Attach(new ShipStopLeftObserver());
pShipWallRightPair.Attach(new ShipStopRightObserver());
pMissileWallPair.Attach(new ShipRemoveMissileObserver());
pAlienMissilePair.Attach(new ShipRemoveMissileObserver());
pAlienMissilePair.Attach(new RemoveAlienObserver());
pAlienMissilePair.Attach(new DeadAlienSoundObserver());
pAlienMissilePair.Attach(new AddP1PointsObserver());
pAlienMissilePair.Attach(new IncreaseAlienSpeedObserver());
pAlienWallPair.Attach(new GridObserver());
pBombWallPair.Attach(new RemoveBombObserver());
pBombShieldPair.Attach(new RemoveBombObserver());
pBombShieldPair.Attach(new RemoveBrickObserver());
pMissileShieldPair.Attach(new ShipRemoveMissileObserver());
pMissileShieldPair.Attach(new RemoveBrickObserver());
pBombShipPair.Attach(new RemoveBombObserver());
pBombShipPair.Attach(new RemoveShipObserver());
pBombShipPair.Attach(new DeadShipSoundObserver());
pBombShipPair.Attach(new RemoveLifeObserver());
pBombShipPair.Attach(new ChangeStateObserver());
pBombMissilePair.Attach(new RemoveBombObserver());
pBombMissilePair.Attach(new ShipRemoveMissileObserverAltPair());
pAlienShieldPair.Attach(new RemoveBrickObserver());
pUFOMissilePair.Attach(new RemoveUFOObserver());
pUFOMissilePair.Attach(new ShipRemoveMissileObserver());
pUFOMissilePair.Attach(new AddP1PointsObserver());
pUFOMissilePair.Attach(new DeadUFOSoundObserver());
pAlienWallBottomPair.Attach(new DeadShipSoundObserver());
pAlienWallBottomPair.Attach(new RemoveAllP1LivesObserver());
}