/// <summary>
/// Adds a message to the queue
/// </summary>
/// <param name="msg">Message to add in the queue</param>
public void Queue(Message msg)
{
List<IEventHandler> listeners;
_eventListenersMap.TryGetValue(msg.Event.EventHash, out listeners);
if (listeners == null) return;
_queueList[_activeQueue].Enqueue(msg);
}
/// <summary>
/// Sends a message immediately to concerned listeners
/// </summary>
/// <param name="msg">Message to send</param>
public void Trigger(Message msg)
{
List<IEventHandler> listeners;
_eventListenersMap.TryGetValue(msg.Event.EventHash, out listeners);
if ((listeners == null) || (listeners.Count == 0)) return;
for (int i = 0; i < listeners.Count; i++)
listeners[i].HandleEvent(msg);
}
/// <summary>
/// Sends a message to indicate that something must be show on the screen
/// </summary>
/// <param name="message">Message to show</param>
/// <param name="args">Extra parameters</param>
private void ShowMessage(string message, params object[] args)
{
MessageInfo info = new MessageInfo(message, args);
Message msg = new Message(EventTypeConstant.ShowMessageEvent, info);
_mediator.Queue(msg);
}
/// <summary>
/// Sends a message to indicate that a game object is dead
/// </summary>
/// <param name="id">Game object id</param>
private void SendDeathMessage(int id)
{
DeathInfo info = new DeathInfo(id);
Message msg = new Message(EventTypeConstant.DeathEvent, info);
_mediator.Queue(msg);
}
/// <summary>
/// Called when the mediator send a message to this class
/// </summary>
/// <param name="msg">Message</param>
public void HandleEvent(Message msg)
{
if (msg.Event == EventTypeConstant.DamageEvent)
{
DamageInfo info = msg.Payload as DamageInfo;
if(info == null)
throw new Exception();
DoDamage(info.GameObjectId, info.Damage);
}
}
/// <summary>
/// Sends a message that indicates the poison deals damage
/// </summary>
/// <param name="id">Game object id</param>
/// <param name="damage">Quantity of damage</param>
private void SendDamage(int id, int damage)
{
DamageInfo damageInfo = new DamageInfo(id, damage);
Message msg = new Message(EventTypeConstant.DamageEvent, damageInfo);
_mediator.Queue(msg);
}
