/// <summary>
/// Sets a concrete phase of the game
/// </summary>
/// <param name="phase">Phase instance</param>
private void SetPhase(IGamePhase phase)
{
if (phase == null)
{
throw new ArgumentNullException(nameof(phase));
}
this._currentGamePhase?.EndPhase();
var previousPhase = this._currentGamePhase;
OnDebuggingMessage("Now moving to " + phase.Type);
this._currentGamePhase = phase;
//there was no phase previously - we are just initializing
if (previousPhase != null)
{
GamePhaseChanged?.Invoke(this, new GamePhaseChangedEventArgs(previousPhase, this._currentGamePhase));
}
//inform agents about new phase and provide them access
foreach (var player in this.Players)
{
player.Agent.GamePhaseChanged(phase.Type);
}
//start the new phase
this._currentGamePhase.StartPhase();
GamePhaseStarted?.Invoke(this, this._currentGamePhase);
}
// thread-safe, lock-free, performs roll-back on to_factory failure.
// Intent: I dont want to call the factory before I can successfully assign it.
// (I could have used a lock, but I didn't...)
private bool TryTransition(GamePhase from, IGamePhase via, Func <IGamePhase> to_factory)
{
// null-checks + transition direction check + via.State is an even (i.e. is transitional) check.
Debug.Assert(via != null && to_factory != null && (via.Phase - 1 == from) && ((int)via.Phase & 1) == 0);
var old = _phase;
if (old.Phase == from && ReferenceEquals(old, Interlocked.CompareExchange(ref _phase, via, old)))
{
// we have successfully entered the transition state (i.e. via)!
// where we have succeeded all others shall fail!
// ...which is a fancy way of saying only one thread can be in this block at a time.
// simply put: for as long as _game is in the via state, we have "lock".
try
{
//var data = old.FinalLockDown(); // TODO <-----------------------------------
var next = to_factory();
if (next != null && (via.Phase + 1 == next.Phase))
{
_phase = next; // success, and "lock" released.
return(true);
}
return(false); // (false will be returned *after* finally has executed.)
}
finally
{
if (ReferenceEquals(via, _phase)) // we failed to transition to next?
{
_phase = old; // performing roll-back, and "lock" released.
}
}
}
return(false); // some other thread beat us to the punch.
}
public void Initialize()
{
m_killedCount = 0;
m_bonusPower = 1;
m_limitTime = 60f;
m_currentPhase = new IntroductionPhase();
m_currentPhase.OnEnter(this);
}
private async void Assistant_Controller_GamePhaseStarted(object sender, IGamePhase e)
{
if (e.Type == GamePhaseType.LifeDeathDetermination)
{
if (ProvidesFinalEvaluation && !_isOnlineGame)
{
var deads = await GetDeadPositions();
foreach (var dead in deads)
{
_uiConnector.RequestLifeDeathKillGroup(dead);
}
}
}
}
private void ChangePhase(IGamePhase newPhase)
{
if (newPhase == null)
{
Debug.Log("newState is Null");
return;
}
if (currentPhase != null)
{ //only exit the current phase if it exists
currentPhase.Exit();
}
//now we can change the phase to the new phase, we exitted that old one, and now we enter the new one
currentPhase = newPhase;
currentPhase.Enter();
nextPhase = null;
}
internal TransitionPhase(GamePhase newPhase, IGamePhase oldPhase)
{
_newPhase = newPhase;
_oldPhase = oldPhase;
}
private void EndLifeAndDeathPhase(IGamePhase phase)
{
ILifeAndDeathPhase lifeAndDeath = (ILifeAndDeathPhase)phase;
lifeAndDeath.LifeDeathTerritoryChanged -= LifeDeath_TerritoryChanged;
}
public void PhaseTransition(IGamePhase arg_nextPhase)
{
m_currentPhase.OnExit(this);
m_currentPhase = arg_nextPhase;
m_currentPhase.OnEnter(this);
}
/// <summary>
/// Creates a change of game phases
/// </summary>
/// <param name="previousPhase">Previously set phase</param>
/// <param name="newPhase">New phase</param>
public GamePhaseChangedEventArgs(IGamePhase previousPhase, IGamePhase newPhase)
{
PreviousPhase = previousPhase;
NewPhase = newPhase;
}
