public void SwitchState(SpaceInvaders pGame, GameStateManager.GameState nextState)
{
// Detach current state input observers
pGame.DetachStateInputObservers();
// Queue any Time Events for later
TimeEvent pTimeEvent = TimerManager.Pop();
while (pTimeEvent != null)
{
this.GetQueuedTimeEventManager().Enqueue(pTimeEvent.GetName(), pTimeEvent.GetCommand(), pTimeEvent.GetDeltaTime());
pTimeEvent = TimerManager.Pop();
}
// Change game state
pGame.SetGameState(nextState);
// Load up TimerManager with next state's Time Events
QueuedTimeEvent qte = pGame.GetStateQueuedTimeEventManager().Dequeue();
while (qte != null)
{
TimerManager.Add(qte.GetTimeEventName(), qte.GetCommand(), qte.GetTimeEventDelta());
// Get next queued event
qte = pGame.GetStateQueuedTimeEventManager().Dequeue();
}
// Attach next state input observers
pGame.AttachStateInputObservers();
}
protected override DLink DerivedCreateNode()
{
DLink pNode = new QueuedTimeEvent();
Debug.Assert(pNode != null);
return(pNode);
}
public void Enqueue(TimeEvent.Name inEventName, Command inCommand, float inTimeDelta)
{
QueuedTimeEvent pQueuedTimeEvent = (QueuedTimeEvent)BaseAdd();
Debug.Assert(pQueuedTimeEvent != null);
// Initialize QTE
pQueuedTimeEvent.Set(inEventName, inCommand, inTimeDelta);
}
public QueuedTimeEvent Dequeue()
{
QueuedTimeEvent pNode = (QueuedTimeEvent)this.pActive;
if (pNode != null)
{
BaseRemove(pNode);
}
// TODO Will this algorithm wipe the QTE before it is returned?
// If so, may need to make a copy before wiping and return that?
return(pNode);
}
public override void Execute(float deltaTime)
{
SpaceInvaders pGame = GameStateManager.GetGame();
pGame.SetResetLevelFlag(false);
// Ghost any remaining Shields
ShieldGroup pShieldGroup = (ShieldGroup)GameStateManager.GetGame().GetStateCompositeManager().Find(Composite.CompositeName.ShieldGroup);
ShieldFactory.DestroyShields(pShieldGroup);
// Ghost any remaining Aliens (Only necessary for Game reset)
AlienGrid pAlienGrid = (AlienGrid)GameStateManager.GetGame().GetStateCompositeManager().Find(Composite.CompositeName.AlienGrid);
AlienFactory.DestroyAlienGrid(pAlienGrid);
// Clear TimeEvents
TimeEvent tEvent = TimerManager.Pop();
while (tEvent != null)
{
// Kill any remaining TimerEvents
tEvent = TimerManager.Pop();
}
// Recreate shields
GameObject pShield;
pShield = ShieldFactory.RecreateShield(110, 150);
pShieldGroup.Add(pShield);
pShield = ShieldFactory.RecreateShield(310, 150);
pShieldGroup.Add(pShield);
pShield = ShieldFactory.RecreateShield(510, 150);
pShieldGroup.Add(pShield);
pShield = ShieldFactory.RecreateShield(710, 150);
pShieldGroup.Add(pShield);
// Adjust Starting Speed
float newStartingSpeed = pGame.GetStateLevelInitialAlienGridSpeed() - 0.05f;
pGame.SetStateLevelInitialAlienGridSpeed(newStartingSpeed);
pGame.SetStateAlienGridSpeed(newStartingSpeed);
// Adjust Starting Position
float newStartingYPosition = pGame.GetStateLevelInitialAlienGridYPosition() - 40.0f;
pGame.SetStateLevelInitialAlienGridYPosition(newStartingYPosition);
// Recreate AlienGrid
AlienFactory.RecreateAlienGrid(pAlienGrid, newStartingSpeed, GameStateManager.GetGame().GetGameInitialGridXPosition(), newStartingYPosition);
pGame.GetStateGameObjectManager().Print();
pGame.GetStateSpriteBatchManager().Print();
// Queue up Time Events
QueuedTimeEventManager qtem = pGame.GetStateQueuedTimeEventManager();
qtem.Enqueue(TimeEvent.Name.AlienGridMovementSound, new AlienGridMovementSound(), newStartingSpeed);
qtem.Enqueue(TimeEvent.Name.SpriteAnimation, SpriteAnimationManager.Find(SpriteAnimation.Name.SquidAlien), newStartingSpeed);
qtem.Enqueue(TimeEvent.Name.SpriteAnimation, SpriteAnimationManager.Find(SpriteAnimation.Name.CrabAlien), newStartingSpeed);
qtem.Enqueue(TimeEvent.Name.SpriteAnimation, SpriteAnimationManager.Find(SpriteAnimation.Name.JellyfishAlien), newStartingSpeed);
// Load Time Events into TimerManager
QueuedTimeEvent qte = pGame.GetStateQueuedTimeEventManager().Dequeue();
while (qte != null)
{
TimerManager.Add(qte.GetTimeEventName(), qte.GetCommand(), qte.GetTimeEventDelta());
qte = pGame.GetStateQueuedTimeEventManager().Dequeue();
}
}
protected override void DerivedDestroyNode(DLink pLink)
{
QueuedTimeEvent pQueuedTimeEvent = (QueuedTimeEvent)pLink;
pQueuedTimeEvent.Set(TimeEvent.Name.Uninitialized, null, -1.0f);
}
