/// <summary>
/// Initializes a new instance of the <see cref="ShelledEnemyComponent"
/// /> sprite.
/// </summary>
/// <param name="owner">The sprite that owns this component.</param>
/// <param name="walkingVelocity">
/// The horizontal velocity at which the owner will walk.
/// </param>
/// <param name="shellSpinningVelocity">
/// The horizontal velocity at which the owner will spin.
/// </param>
/// <param name="framesFromShellToEmerging">
/// The number of frames between entering the Shell state and entering
/// the Emerging state.
/// </param>
/// <param name="framesFromEmergingToWalking">
/// The number of frames between entering the Emerging state and
/// entering the Walking state.
/// </param>
public ShelledEnemyComponent(Sprite owner, float walkingVelocity, float shellSpinningVelocity, int framesFromShellToEmerging, int framesFromEmergingToWalking)
{
WalkerComponent walker = owner.GetComponent<WalkerComponent>();
DamageComponent damage = owner.GetComponent<DamageComponent>();
ChasePlayerComponent chasePlayer = owner.GetComponent<ChasePlayerComponent>();
if (walker == null || damage == null || chasePlayer == null)
{
throw new ArgumentException("This component requires its owner to have WalkerComponent, DamageComponent, and ChasePlayerComponent instances before constructing this ShelledEnemyComponent.");
}
IsActive = true;
Owner = owner;
spriteWalker = walker;
spriteDamage = damage;
spriteChasePlayer = chasePlayer;
behavior = ShelledEnemyBehavior.DontTurnOnCliffs;
state = ShelledEnemyState.Walking;
this.walkingVelocity = walkingVelocity;
this.shellSpinningVelocity = shellSpinningVelocity;
this.framesFromShellToEmerging = framesFromShellToEmerging;
this.framesFromEmergingToWalking = framesFromEmergingToWalking;
spriteWalker.CurrentVelocity = walkingVelocity;
}
public override void Initialize(Section owner)
{
base.Initialize(owner);
graphics = (ComplexGraphicsObject)ContentPackageManager.GetGraphicsResource("SMBKoopaTroopa");
graphics.CurrentObjectName = AppendTypeSuffix("walking");
HealthComponent healthComponent = new HealthComponent(1, 1, new string[] { SpriteDamageTypes.PlayerStomp });
healthComponent.SpriteKilled += HealthComponent_SpriteKilled;
SpriteDirection initialDirection = ResolveDirection(this, Direction, Owner);
facingDirection = (initialDirection == SpriteDirection.Left) ? SMLimitless.Direction.Left : SMLimitless.Direction.Right;
Components.Add(healthComponent);
Components.Add(new WalkerComponent(this, initialDirection, WalkingSpeed.Value));
Components.Add(new DamageComponent());
ChasePlayerComponent chasePlayer = new ChasePlayerComponent(this, 60);
chasePlayer.NearestPlayerDirectionUpdated += ChasePlayer_NearestPlayerDirectionUpdated;
Components.Add(chasePlayer);
ShelledEnemyComponent shelledEnemy = new ShelledEnemyComponent(this, WalkingSpeed.Value, ShellSpinningSpeed.Value, FramesUntilBeginEmerge.Value, FramesUntilEmerge.Value);
shelledEnemy.StateChanged += ShelledEnemy_StateChanged;
Components.Add(shelledEnemy);
SetBehavior();
}