//----------------------------------------------------------------------------------
// Constructor
//----------------------------------------------------------------------------------
public ExplosionSpriteObserver(GameSprite.Name spriteName, float delay = 0.2f)
{
this.pTargetObj = null;
this.pExplosionSprite = null;
this.name = spriteName;
this.timeDelay = delay;
}
//----------------------------------------------------------------------------------
// Abstract Methods
//----------------------------------------------------------------------------------
public override void Notify()
{
// Delete missile
//Debug.WriteLine("RemoveBombObserver: {0} {1}", this.pSubject.pObjA, this.pSubject.pObjB);
// Need to separate out collision-pairs since this class can handle multiple Explosion cases.
switch (this.name)
{
case GameSprite.Name.AlienExplosion:
this.pTargetObj = this.pSubject.pObjB;
break;
case GameSprite.Name.MissileExplosion:
this.pTargetObj = this.pSubject.pObjA;
break;
case GameSprite.Name.BombExplosion:
this.pTargetObj = this.pSubject.pObjA;
break;
case GameSprite.Name.SaucerExplosion:
this.pTargetObj = this.pSubject.pObjB;
break;
case GameSprite.Name.ShipExplosionA:
this.pTargetObj = this.pSubject.pObjB;
break;
case GameSprite.Name.ShipExplosionB:
this.pTargetObj = this.pSubject.pObjB;
break;
default:
Debug.WriteLine("There is no Default explosion. Make sure you enter the name you want.");
Debug.Assert(false);
break;
}
Debug.Assert(this.pTargetObj != null);
float px = this.pTargetObj.x;
float py = this.pTargetObj.y;
// Factor attaches to the correct sprite batches
// Could be an AlienExplosion, BombExplosion, MissileExplosion
// Should be explosion sprites
this.pExplosionSprite = EF.Create(this.name, px, py);
this.pExplosionSprite.SetPosition(px, py);
// Delay
ExplosionSpriteObserver pObserver = new ExplosionSpriteObserver(this);
DelayedObjectManager.Attach(pObserver);
}
//----------------------------------------------------------------------------------
// Constructor
//----------------------------------------------------------------------------------
public ExplosionSprite Create(GameSprite.Name theName, float posx = 0.0f, float posy = 0.0f)
{
ExplosionSprite pSprite = null;
switch (theName)
{
case GameSprite.Name.AlienExplosion:
pSprite = this.Grab(theName);
// If not there then create.
if (pSprite == null)
{
pSprite = new ExplosionSprite(GameSprite.Name.AlienExplosion, posx, posy);
DLink.AddToFront(ref this.pHead, pSprite);
ExplosionSpriteCreationCount++;
}
break;
case GameSprite.Name.MissileExplosion:
pSprite = this.Grab(theName);
// If not there then create.
if (pSprite == null)
{
pSprite = new ExplosionSprite(GameSprite.Name.MissileExplosion, posx, posy);
DLink.AddToFront(ref this.pHead, pSprite);
ExplosionSpriteCreationCount++;
}
break;
case GameSprite.Name.BombExplosion:
pSprite = this.Grab(theName);
// If not there then create.
if (pSprite == null)
{
pSprite = new ExplosionSprite(GameSprite.Name.BombExplosion, posx, posy);
DLink.AddToFront(ref this.pHead, pSprite);
ExplosionSpriteCreationCount++;
}
break;
case GameSprite.Name.SaucerExplosion:
pSprite = this.Grab(theName);
// If not there then create.
if (pSprite == null)
{
pSprite = new ExplosionSprite(GameSprite.Name.SaucerExplosion, posx, posy);
DLink.AddToFront(ref this.pHead, pSprite);
ExplosionSpriteCreationCount++;
}
break;
case GameSprite.Name.ShipExplosionA:
pSprite = this.Grab(theName);
// If not there then create.
if (pSprite == null)
{
pSprite = new ExplosionSprite(GameSprite.Name.ShipExplosionA, posx, posy);
DLink.AddToFront(ref this.pHead, pSprite);
ExplosionSpriteCreationCount++;
}
break;
case GameSprite.Name.ShipExplosionB:
pSprite = this.Grab(theName);
// If not there then create.
if (pSprite == null)
{
pSprite = new ExplosionSprite(GameSprite.Name.ShipExplosionB, posx, posy);
DLink.AddToFront(ref this.pHead, pSprite);
ExplosionSpriteCreationCount++;
}
break;
default:
Debug.WriteLine("Choose the Explosion you want by name.");
Debug.Assert(false);
break;
}
pSprite.AddExplosion();
Debug.Assert(pSprite != null);
return(pSprite);
}
//----------------------------------------------------------------------------------
// Constructor
//----------------------------------------------------------------------------------
public ExplosionSpriteEvent(ExplosionSprite expSprite)
{
this.pExplosionSprite = expSprite;
}
