/// <summary>
/// Handle ComponentCreated events.
/// </summary>
/// <param name="evt">
/// The <see cref="IEvent"/> event to handle.
/// </param>
private void OnComponentCreated(IEvent evt)
{
if (evt.EventData is PlayerComponent)
{
PlayerComponent data = (PlayerComponent)evt.EventData;
Debug.Log("Setting lives for player " + data.EntityId);
data.Lives = this.DefaultLives;
data.Score = 0;
}
}
/// <summary>
/// Handle SpawnBallsForPlayer events.
/// </summary>
/// <param name="evt">
/// The <see cref="IEvent"/> event to handle.
/// </param>
private void OnSpawnBallsForPlayer(IEvent evt)
{
PlayerComponent player = (PlayerComponent)evt.EventData;
if (!this.Game.ComponentSystem.TryGetComponent(player.EntityId, out player))
{
return;
}
Debug.Log("Spawning balls for player " + player.EntityId);
player.Lives--;
Transform ballTransform;
Transform paddleTransform;
Vector3 paddleUpVector;
BallComponent ball;
int ballId;
foreach (PaddleComponent paddle in this.Game.ComponentSystem.Components <PaddleComponent>())
{
if ((paddle == null) || (paddle.PlayerId != player.EntityId))
{
continue;
}
// Instanciate the prefab and position it in the paddle
GameObject ballObject = (GameObject)GameObject.Instantiate(this.BallPrefab);
ballTransform = ballObject.transform;
paddleTransform = paddle.gameObject.transform;
ballTransform.parent = paddleTransform.parent;
ballTransform.position = paddleTransform.position;
// Move the ball on top of the paddle by using the y extent of
// its collider and that of the paddle, rotated by the paddles
// rotation, blindly assuming, the collider has an offset of (0, 0, 0).
paddleUpVector = new Vector3(0.0f, ballObject.collider.bounds.extents.y, 0.0f);
paddleUpVector += new Vector3(0.0f, paddle.gameObject.collider.bounds.extents.y, 0.0f);
paddleUpVector = paddleTransform.rotation * paddleUpVector;
// Make the vector a bit larger, so there isn't an
// immediate collision with the paddle. Cheap hack.
paddleUpVector *= 1.001f;
ballTransform.position += paddleUpVector;
// Set the velocity of the ball by rotating its default velocity
// by the rotation of the paddle. It will start to move as soon
// as the game continues.
ball = ballObject.GetComponent <BallComponent>();
ball.Velocity = paddleTransform.rotation * ball.DefaultVelocity;
// And finally, assign an ID to all components. This assumes, that
// the ball is a simple object, without any children.
ballId = this.Game.ComponentSystem.GetUniqueEntityId();
foreach (Component unityComponent in ballObject.GetComponents(typeof(Component)))
{
if (unityComponent is IComponent)
{
((IComponent)unityComponent).EntityId = ballId;
this.Game.EventManager.QueueEvent(new HelGamesEvent(ComponentSystemEvents.ComponentCreated, unityComponent));
}
}
}
}
