C++ CancelEvents函数代码示例

//--------------------------------
// hhProxDoor::SetDoorState
//--------------------------------
void hhProxDoor::SetDoorState( EProxState doorState ) {
	int i;

	//HUMANHEAD PCF mdl 04/27/06 - Don't allow locked doors to become active
	if ( doorLocked && doorState == PROXSTATE_Active ) {
		return;
	}

	switch( doorState ) {
		case PROXSTATE_Active:
			BecomeActive( TH_TICKER );
			CancelEvents( &EV_PollForExit );
			PostEventMS( &EV_PollForExit, 500 );
			OpenPortal();
			break;

		case PROXSTATE_GoingInactive:
			break;

		case PROXSTATE_Inactive:
			// Guarantee the door is closed
			for( i = 0; i < doorPieces.Num(); i++ ) {
				if (doorPieces[i].IsValid()) {
					doorPieces[ i ]->SetProximity( 0.0 );
				}
			}
			ClosePortal();
			CancelEvents( &EV_PollForExit );
			BecomeInactive( TH_TICKER );
			break;
	}

	proxState = doorState;
}

/*
================
idDamagingFx::Restart
================
*/
void idDamagingFx::Restart( void ) { 
	//gameLocal.Printf("idDamagingFx::Restart\n");
	CancelEvents( &EV_Activate ); 
	CancelEvents( &EV_Fx_KillFx );

	ResetShaderParms(); 

	//gameLocal.Printf("Restart\n");
	nextTriggerTime = 0; //make sure the event is accepted
	PostEventMS( &EV_Activate, 0, this );
}

/*
================
idSecurityCamera::Think
================
*/
void idSecurityCamera::Think( void ) {
	float pct;
	float travel;
	if( thinkFlags & TH_THINK ) {
		if( g_showEntityInfo.GetBool() ) {
			DrawFov();
		}
		if( health <= 0 ) {
			BecomeInactive( TH_THINK );
			return;
		}
	}
	// run physics
	RunPhysics();
	if( thinkFlags & TH_THINK ) {
		if( CanSeePlayer() ) {
			if( alertMode == SCANNING ) {
				float	sightTime;
				SetAlertMode( ALERT );
				stopSweeping = gameLocal.time;
				if( sweeping ) {
					CancelEvents( &EV_SecurityCam_Pause );
				} else {
					CancelEvents( &EV_SecurityCam_ReverseSweep );
				}
				sweeping = false;
				StopSound( SND_CHANNEL_ANY, false );
				StartSound( "snd_sight", SND_CHANNEL_BODY, 0, false, NULL );
				sightTime = spawnArgs.GetFloat( "sightTime", "5" );
				PostEventSec( &EV_SecurityCam_Alert, sightTime );
			}
		} else {
			if( alertMode == ALERT ) {
				float	sightResume;
				SetAlertMode( LOSINGINTEREST );
				CancelEvents( &EV_SecurityCam_Alert );
				sightResume = spawnArgs.GetFloat( "sightResume", "1.5" );
				PostEventSec( &EV_SecurityCam_ContinueSweep, sightResume );
			}
			if( sweeping ) {
				idAngles a = GetPhysics()->GetAxis().ToAngles();
				pct = ( gameLocal.time - sweepStart ) / ( sweepEnd - sweepStart );
				travel = pct * sweepAngle;
				if( negativeSweep ) {
					a.yaw = angle + travel;
				} else {
					a.yaw = angle - travel;
				}
				SetAngles( a );
			}
		}
	}
	Present();
}

/*
================
idSound::Event_Off
================
*/
void idSound::Event_Off( void ) {
	if ( timerOn ) {
		timerOn = false;
		CancelEvents( &EV_Speaker_Timer );
	}
	DoSound( false );
}

/*
================
idTrigger_Timer::Disable
================
*/
void idTrigger_Timer::Disable( void ) {
    // if on, turn it off
    if ( on ) {
        on = false;
        CancelEvents( &EV_Timer );
    }
}

/*
=================
hhProjectileCrawlerGrenade::Event_ApplyExpandWound
=================
*/
void hhProjectileCrawlerGrenade::Event_ApplyExpandWound() {
	trace_t trace;

	if( !modelProxy.IsValid() || !modelProxy->GetCombatModel() ) {
		return;
	}

	idBounds clipBounds( modelProxy->GetRenderEntity()->bounds );
	idVec3 traceEnd = GetOrigin();
	idVec3 traceStart = traceEnd + hhUtils::RandomPointInShell( clipBounds.Expand(1.0f).GetRadius(), clipBounds.Expand(2.0f).GetRadius() );
	idVec3 jointOrigin, localOrigin, localNormal;
	idMat3 jointAxis, axisTranspose;
	jointHandle_t jointHandle = INVALID_JOINT;

	CancelEvents( &EV_ApplyExpandWound );
	PostEventSec( &EV_ApplyExpandWound, spawnArgs.GetFloat("expandWoundDelay") );

	if( !gameLocal.clip.TracePoint(trace, traceStart, traceEnd, modelProxy->GetCombatModel()->GetContents(), NULL) ) {
		return;
	}
	
	if( trace.c.entityNum != entityNumber ) {//Make sure we hit ourselves
		return;
	}
			
	modelProxy->AddDamageEffect( trace, vec3_zero, spawnArgs.GetString("def_expandDamage"), (!fl.networkSync || netSyncPhysics) );
}

/// Single forward execution step
void spec::Step()
{
  Event *ev;
  POSE_TimeType lastGVT = localPVT->getGVT();
  int iter = 0;

  if (!parent->cancels.IsEmpty()) CancelUnexecutedEvents();
  if (eq->RBevent) Rollback(); 
  if (!parent->cancels.IsEmpty()) CancelEvents();
  parent->Status();

  // Shorten the leash as we near POSE_endtime
  if ((POSE_endtime > POSE_UnsetTS) && (lastGVT + timeLeash > POSE_endtime))
    timeLeash = POSE_endtime - lastGVT + 1;

  // Prepare to execute an event
  ev = eq->currentPtr;
  while ((ev->timestamp > POSE_UnsetTS) && 
	 (ev->timestamp <= lastGVT + timeLeash)) {
    // do all events within the speculative window
    iter++;
    currentEvent = ev;
    ev->done = 2;
    parent->ResolveFn(ev->fnIdx, ev->msg); // execute it
    ev->done = 1; // complete the event execution
    eq->mem_usage++;
    eq->ShiftEvent(); // shift to next event
    ev = eq->currentPtr; // reset ev
  }
#if !CMK_TRACE_DISABLED
  if(pose_config.stats)
    if (iter > 0) localStats->Loop();
#endif  
}

//---------------------------------------------------------------------------
void TJS_INTF_METHOD tTJSNI_Timer::Invalidate()
{
	tTVPTimerThread::Remove(this);
	ZeroPendingCount();
	CancelEvents();
	inherited::Invalidate();  // this sets Owner = NULL
}

//--------------------------------
// hhProxDoor::Event_PollForExit
//--------------------------------
void hhProxDoor::Event_PollForExit() {
	if( PollClosestEntity() == -1.f ) {
		SetDoorState( PROXSTATE_GoingInactive );
		return;
	}
	CancelEvents( &EV_PollForExit );
	PostEventMS( &EV_PollForExit, proxDoorRefreshMS );
}

/*
================
idSecurityCamera::Event_Alert
================
*/
void idSecurityCamera::Event_Alert( void ) {
	float	wait;
	SetAlertMode( ACTIVATED );
	StopSound( SND_CHANNEL_ANY, false );
	StartSound( "snd_activate", SND_CHANNEL_BODY, 0, false, NULL );
	ActivateTargets( this );
	CancelEvents( &EV_SecurityCam_ContinueSweep );
	wait = spawnArgs.GetFloat( "wait", "20" );
	PostEventSec( &EV_SecurityCam_ContinueSweep, wait );
}

/*
================
idItem::Event_Respawn
================
*/
void idItem::Event_Respawn( void ) {
	BecomeActive( TH_THINK );
	Show();
	inViewTime = -1000;
	lastCycle = -1;
	GetPhysics()->SetContents( CONTENTS_TRIGGER );
	SetOrigin( orgOrigin );
	StartSound( "snd_respawn", SND_CHANNEL_ITEM, 0, false, NULL );
	CancelEvents( &EV_RespawnItem ); // don't double respawn
}

/*
================
idEntityFx::FadeOutFx
================
*/
void idEntityFx::FadeOutFx( void ) {
	if( started < 0 || manualFadeIsOn ){ //if not active or already fading
		return;
	}

	manualFadeIsOn = true;
	SetupFade();

	if( endlessSounds ){
		FadeSound( SND_CHANNEL_ANY, -60, 1 ); //fade out sounds
		//gameLocal.Printf("fading sounds!");
	}

	if( manualRemove ){

		CancelEvents( &EV_Activate ); // make sure it's not going to re-activate itself
		CancelEvents( &EV_Fx_KillFx ); // make sure it's not going to kill or re-activate itself too soon

		PostEventMS( &EV_Fx_KillFx, FadeDuration() );
	}
}

void CFrobLock::Event_Lock_OnLockStatusChange(int locked)
{
	// Cancel any pending events
	CancelEvents(&EV_TDM_FrobLock_TriggerLockTargets);
	CancelEvents(&EV_TDM_FrobLock_TriggerUnlockTargets);
	CancelEvents(&EV_TDM_FrobLock_TriggerTargets);

	if (locked == 0)
	{
		// Unlocked
		UnlockTargets();
		FrobLockStartSound("snd_unlock");

		if (spawnArgs.GetBool("trigger_targets_on_unlock", "1"))
		{
			// Get the delay for triggering the event
			int delay = spawnArgs.GetInt("unlock_trigger_delay", "0");
			PostEventMS(&EV_TDM_FrobLock_TriggerUnlockTargets, delay);
		}
	}
	else
	{
		// We're locked now
		CloseAndLockTargets();
		FrobLockStartSound("snd_lock");

		if (spawnArgs.GetBool("trigger_targets_on_lock", "1"))
		{
			int delay = spawnArgs.GetInt("lock_trigger_delay", "0");
			PostEventMS(&EV_TDM_FrobLock_TriggerLockTargets, delay);
		}
	}

	// Fire ordinary targets in any case
	if (spawnArgs.GetBool("trigger_targets", "0"))
	{
		int delay = spawnArgs.GetInt("trigger_delay", "0");
		PostEventMS(&EV_TDM_FrobLock_TriggerTargets, delay);
	}
}

/*
================
idItem::Event_Respawn
================
*/
void idItem::Event_Respawn( void ) {
	if ( gameLocal.isServer ) {
		ServerSendEvent( EVENT_RESPAWN, NULL, false, -1 );
	}
	BecomeActive( TH_THINK );
	Show();
	inViewTime = -1000;
	lastCycle = -1;
	GetPhysics()->SetContents( CONTENTS_TRIGGER );
	SetOrigin( orgOrigin );
	StartSound( "snd_respawn", SND_CHANNEL_ITEM, 0, false, NULL );
	CancelEvents( &EV_RespawnItem ); // don't double respawn
}

/*
===============
idSound::UpdateChangableSpawnArgs
===============
*/
void idSound::UpdateChangeableSpawnArgs( const idDict *source )
{

	idEntity::UpdateChangeableSpawnArgs( source );
	
	if( source )
	{
		FreeSoundEmitter( true );
		spawnArgs.Copy( *source );
		idSoundEmitter *saveRef = refSound.referenceSound;
		gameEdit->ParseSpawnArgsToRefSound( &spawnArgs, &refSound );
		refSound.referenceSound = saveRef;
		
		idVec3 origin;
		idMat3 axis;
		
		if( GetPhysicsToSoundTransform( origin, axis ) )
		{
			refSound.origin = GetPhysics()->GetOrigin() + origin * axis;
		}
		else
		{
			refSound.origin = GetPhysics()->GetOrigin();
		}
		
		spawnArgs.GetFloat( "random", "0", random );
		spawnArgs.GetFloat( "wait", "0", wait );
		
		if( ( wait > 0.0f ) && ( random >= wait ) )
		{
			random = wait - 0.001;
			gameLocal.DWarning( "speaker '%s' at (%s) has random >= wait", name.c_str(), GetPhysics()->GetOrigin().ToString( 0 ) );
		}
		
		if( !refSound.waitfortrigger && ( wait > 0.0f ) )
		{
			timerOn = true;
			DoSound( false );
			CancelEvents( &EV_Speaker_Timer );
			PostEventSec( &EV_Speaker_Timer, wait + gameLocal.random.CRandomFloat() * random );
		}
		else  if( !refSound.waitfortrigger && !( refSound.referenceSound && refSound.referenceSound->CurrentlyPlaying() ) )
		{
			// start it if it isn't already playing, and we aren't waitForTrigger
			DoSound( true );
			timerOn = false;
		}
	}
}