public Aliens(AlienName newName) : base()
{
this.laserYOffset = 5.0f;
switch (newName)
{
case AlienName.Crab:
this.pointsRewarded = 20;
break;
case AlienName.Squid:
this.pointsRewarded = 30;
break;
case AlienName.Octopus:
this.pointsRewarded = 10;
break;
default:
break;
}
}
private void LoadAlienRow(AlienName alienName, uint numOfAliens, float initX, float initY, float xSpacing, AlienCoordinator coordinator)
{
// Determine correct enum names
GameObject.Name objectName = GameObject.Name.UNINITIALIZED;
Sprite.Name spriteName = Sprite.Name.UNINITIALIZED;
switch (alienName)
{
case AlienName.Crab:
objectName = GameObject.Name.AlienCrab;
spriteName = Sprite.Name.AlienCrab;
break;
case AlienName.Squid:
objectName = GameObject.Name.AlienSquid;
spriteName = Sprite.Name.AlienSquid;
break;
case AlienName.Octopus:
objectName = GameObject.Name.AlienOctopus;
spriteName = Sprite.Name.AlienOctopus;
break;
default:
break;
}
// Use a loop to create a row of aliens
// Each "i" is a column
for (uint i = 0; i < numOfAliens; i++)
{
Aliens alien = this.LoadIndividualAlien(objectName,
spriteName,
alienName,
initX + xSpacing * i,
initY
);
coordinator.Columns[i].AddChild(alien);
}
}
/// <summary>
/// Load the Alien GameObjects
/// </summary>
private void LoadGameObjects()
{
AlienName[] alienNames = new AlienName[this.Rows];
alienNames[0] = AlienName.Squid;
alienNames[1] = AlienName.Crab;
alienNames[2] = AlienName.Crab;
alienNames[3] = AlienName.Octopus;
alienNames[4] = AlienName.Octopus;
AlienCoordinator coordinator = new AlienCoordinator(Rows, Columns, InitX, InitY, XGap, YGap);
// Add coordinator as root of collision checking
this.AddAlienRootToCollisionSystem(coordinator);
// Attach coordinator last to call it's Start event
GameObjectManager.Active.Attach(coordinator);
// Create all the Aliens (bottom row first)
for (int i = (int)this.Rows - 1; i >= 0; i--)
{
this.LoadAlienRow(alienNames[i],
this.Columns,
this.InitX,
this.InitY - this.YGap * (uint)i,
this.XGap,
coordinator
);
}
// Calculate colliders of columns
for (uint j = 0; j < this.Rows; j++)
{
coordinator.Columns[j].RecalculateCollider();
}
// Calculate collider of coodinator
coordinator.RecalculateCollider();
}
/// <summary>
/// Create one Alien
/// </summary>
/// <param name="alienName"></param>
/// <param name="alienId"></param>
/// <param name="x"></param>
/// <param name="y"></param>
/// <param name="color"></param>
private Aliens LoadIndividualAlien(GameObject.Name objectName, Sprite.Name spriteName, AlienName alienName, float x, float y)
{
// Aliens spawn on y differently depending on level
int currentLevel = GameSessionData.Active.Level;
float yOffset = (currentLevel % MaxDissent) * this.YGap;
Aliens newAlien = new Aliens(alienName);
newAlien.SetName(objectName);
newAlien.SetPosition(x, y - yOffset);
newAlien.SetColor(Colors.White);
newAlien.Collider.Color = this.CollisonColor;
newAlien.SetSprite(this.batchName, SpriteEntityManager.Self.Find(spriteName));
GameObjectManager.Active.Attach(newAlien);
return(newAlien);
}
