C++ StudioFrameAdvance函数代码示例

//-----------------------------------------------------------------------------
// Purpose: The turret has been tipped over and will thrash for awhile
//-----------------------------------------------------------------------------
void CNPC_Portal_FloorTurret::TippedThink( void )
{
	PreThink( TURRET_TIPPED );

	SetNextThink( gpGlobals->curtime + 0.05f );
	SetEnemy( NULL );

	StudioFrameAdvance();
	// If we're not on side anymore, stop thrashing
	if ( !OnSide() && VPhysicsGetObject()->GetContactPoint( NULL, NULL ) )
	{
		ReturnToLife();
		return;
	}

	LaserOn();
	RopesOn();

	//See if we should continue to thrash
	if ( gpGlobals->curtime < m_flThrashTime && !IsDissolving() )
	{
		if ( m_flShotTime < gpGlobals->curtime )
		{
			if( m_bOutOfAmmo )
			{
				SetActivity( (Activity) ACT_FLOOR_TURRET_OPEN_IDLE );
				DryFire();
			}
			else
			{
				Vector vecMuzzle, vecMuzzleDir;
				GetAttachment( m_iMuzzleAttachment, vecMuzzle, &vecMuzzleDir );

				SetActivity( (Activity) ACT_FLOOR_TURRET_OPEN_IDLE );
				SetActivity( (Activity)( ( m_bShootWithBottomBarrels ) ? ( ACT_FLOOR_TURRET_FIRE2 ) : ( ACT_FLOOR_TURRET_FIRE ) ) );

#if !DISABLE_SHOT
				Shoot( vecMuzzle, vecMuzzleDir );
#endif
			}

			m_flShotTime = gpGlobals->curtime + 0.05f;
		}

		m_vecGoalAngles.x = GetAbsAngles().x + random->RandomFloat( -60, 60 );
		m_vecGoalAngles.y = GetAbsAngles().y + random->RandomFloat( -60, 60 );

		UpdateFacing();
	}
	else
	{
		//Face forward
		m_vecGoalAngles = GetAbsAngles();

		//Set ourselves to close
		if ( GetActivity() != ACT_FLOOR_TURRET_CLOSE )
		{
			SetActivity( (Activity) ACT_FLOOR_TURRET_OPEN_IDLE );

			//If we're done moving to our desired facing, close up
			if ( UpdateFacing() == false )
			{
				//Make any last death noises and anims
				EmitSound( "NPC_FloorTurret.Die" );
				EmitSound( GetTurretTalkName( PORTAL_TURRET_DISABLED ) );
				SpinDown();

				SetActivity( (Activity) ACT_FLOOR_TURRET_CLOSE );
				EmitSound( "NPC_FloorTurret.Retract" );

				CTakeDamageInfo	info;
				info.SetDamage( 1 );
				info.SetDamageType( DMG_CRUSH );
				Event_Killed( info );
			}
		}
		else if ( IsActivityFinished() )
		{	
			m_bActive		= false;
			m_flLastSight	= 0;

			SetActivity( (Activity) ACT_FLOOR_TURRET_CLOSED_IDLE );

			// Don't need to store last NPC anymore, because I've been knocked over
			if ( m_hLastNPCToKickMe )
			{
				m_hLastNPCToKickMe = NULL;
				m_flKnockOverFailedTime = 0;
			}

			//Try to look straight
			if ( UpdateFacing() == false )
			{
				m_OnTipped.FireOutput( this, this );
				SetEyeState( TURRET_EYE_DEAD );
				//SetCollisionGroup( COLLISION_GROUP_DEBRIS_TRIGGER );

//.........这里部分代码省略.........

void CBaseTurret::ActiveThink(void)
{
	int fAttack = 0;
	Vector vecDirToEnemy;

	pev->nextthink = gpGlobals->time + 0.1;
	StudioFrameAdvance( );

	if ((!m_iOn) || (m_hEnemy == NULL))
	{
		m_hEnemy = NULL;
		m_flLastSight = gpGlobals->time + m_flMaxWait;
		SetThink(&CBaseTurret::SearchThink);
		return;
	}

	// if it's dead, look for something new
	if ( !m_hEnemy->IsAlive() )
	{
		if (!m_flLastSight)
		{
			m_flLastSight = gpGlobals->time + 0.5; // continue-shooting timeout
		}
		else
		{
			if (gpGlobals->time > m_flLastSight)
			{
				m_hEnemy = NULL;
				m_flLastSight = gpGlobals->time + m_flMaxWait;
				SetThink(&CBaseTurret::SearchThink);
				return;
			}
		}
	}

	Vector vecMid = pev->origin + pev->view_ofs;
	Vector vecMidEnemy = m_hEnemy->BodyTarget( vecMid );

	// Look for our current enemy
	int fEnemyVisible = FBoxVisible(pev, m_hEnemy->pev, vecMidEnemy );

	vecDirToEnemy = vecMidEnemy - vecMid;	// calculate dir and dist to enemy
	float flDistToEnemy = vecDirToEnemy.Length();

	Vector vec = UTIL_VecToAngles(vecMidEnemy - vecMid);

	// Current enmey is not visible.
	if (!fEnemyVisible || (flDistToEnemy > TURRET_RANGE))
	{
		if (!m_flLastSight)
			m_flLastSight = gpGlobals->time + 0.5;
		else
		{
			// Should we look for a new target?
			if (gpGlobals->time > m_flLastSight)
			{
				m_hEnemy = NULL;
				m_flLastSight = gpGlobals->time + m_flMaxWait;
				SetThink(&CBaseTurret::SearchThink);
				return;
			}
		}
		fEnemyVisible = 0;
	}
	else
	{
		m_vecLastSight = vecMidEnemy;
	}

	UTIL_MakeAimVectors(m_vecCurAngles);

	/*
	ALERT( at_console, "%.0f %.0f : %.2f %.2f %.2f\n",
		m_vecCurAngles.x, m_vecCurAngles.y,
		gpGlobals->v_forward.x, gpGlobals->v_forward.y, gpGlobals->v_forward.z );
	*/

	Vector vecLOS = vecDirToEnemy; //vecMid - m_vecLastSight;
	vecLOS = vecLOS.Normalize();

	// Is the Gun looking at the target
	if (DotProduct(vecLOS, gpGlobals->v_forward) <= 0.866) // 30 degree slop
		fAttack = FALSE;
	else
		fAttack = TRUE;

	// fire the gun
	if (m_iSpin && ((fAttack) || (m_fBeserk)))
	{
		Vector vecSrc, vecAng;
		GetAttachment( 0, vecSrc, vecAng );
		SetTurretAnim(TURRET_ANIM_FIRE);
		Shoot(vecSrc, gpGlobals->v_forward );
	}
	else
	{
		SetTurretAnim(TURRET_ANIM_SPIN);
	}

	//move the gun
//.........这里部分代码省略.........

//------------------------------------------------------------------------------
// Purpose:
//------------------------------------------------------------------------------
void CTeamControlPoint::AnimThink( void )
{
	StudioFrameAdvance();
	DispatchAnimEvents(this);
	SetNextThink( gpGlobals->curtime + 0.1f );
}

void CASW_Queen_Divers::AnimThink( void )
{	
	SetNextThink( gpGlobals->curtime + 0.1f );
	
	StudioFrameAdvance();
}

//-----------------------------------------------------------------------------
// Purpose: 
//-----------------------------------------------------------------------------
void CPropJeep::Think(void)
{
	BaseClass::Think();

/*
	CBasePlayer	*pPlayer = UTIL_GetLocalPlayer();

	if ( m_bEngineLocked )
	{
		m_bUnableToFire = true;
		
		if ( pPlayer != NULL )
		{
			pPlayer->m_Local.m_iHideHUD |= HIDEHUD_VEHICLE_CROSSHAIR;
		}
	}
	else
	{
		// Start this as false and update it again each frame
		m_bUnableToFire = false;

		if ( pPlayer != NULL )
		{
			pPlayer->m_Local.m_iHideHUD &= ~HIDEHUD_VEHICLE_CROSSHAIR;
		}
	}
*/

	// Water!?
	HandleWater();

	SetSimulationTime( gpGlobals->curtime );
	
	SetNextThink( gpGlobals->curtime );
	SetAnimatedEveryTick( true );

    if ( !m_bInitialHandbrake )	// after initial timer expires, set the handbrake
	{
		m_bInitialHandbrake = true;
		m_VehiclePhysics.SetHandbrake( true );
		m_VehiclePhysics.Think();
	}

	// Check overturned status.
	if ( !IsOverturned() )
	{
		m_flOverturnedTime = 0.0f;
	}
	else
	{
		m_flOverturnedTime += gpGlobals->frametime;
	}

	// spin gun if charging cannon
	//FIXME: Don't bother for E3
	if ( m_bCannonCharging )
	{
		m_nSpinPos += JEEP_GUN_SPIN_RATE;
		SetPoseParameter( JEEP_GUN_SPIN, m_nSpinPos );
	}

	// Aim gun based on the player view direction.
	if ( m_hPlayer && !m_bExitAnimOn && !m_bEnterAnimOn )
	{
		Vector vecEyeDir, vecEyePos;
		m_hPlayer->EyePositionAndVectors( &vecEyePos, &vecEyeDir, NULL, NULL );

		// Trace out from the player's eye point.
		Vector	vecEndPos = vecEyePos + ( vecEyeDir * MAX_TRACE_LENGTH );
		trace_t	trace;
		UTIL_TraceLine( vecEyePos, vecEndPos, MASK_SHOT, this, COLLISION_GROUP_NONE, &trace );

		// See if we hit something, if so, adjust end position to hit location.
		if ( trace.fraction < 1.0 )
		{
   			vecEndPos = vecEyePos + ( vecEyeDir * MAX_TRACE_LENGTH * trace.fraction );
		}

		//m_vecLookCrosshair = vecEndPos;
		AimGunAt( &vecEndPos, 0.1f );
	}

	StudioFrameAdvance();

	// If the enter or exit animation has finished, tell the server vehicle
	if ( IsSequenceFinished() && (m_bExitAnimOn || m_bEnterAnimOn) )
	{
		if ( m_bEnterAnimOn )
		{
			m_VehiclePhysics.ReleaseHandbrake();
			StartEngine();

			// HACKHACK: This forces the jeep to play a sound when it gets entered underwater
			if ( m_VehiclePhysics.IsEngineDisabled() )
			{
				CBaseServerVehicle *pServerVehicle = dynamic_cast<CBaseServerVehicle *>(GetServerVehicle());
				if ( pServerVehicle )
//.........这里部分代码省略.........

//.........这里部分代码省略.........
				{
					pVictim->TakeDamage ( pev, pev, pVictim->pev->health, DMG_SLASH | DMG_ALWAYSGIB );
					m_cGibs = 3;
				}

				return;
			}

			// bite prey every once in a while
			if ( pVictim && ( RANDOM_LONG(0,49) == 0 ) )
			{
				switch ( RANDOM_LONG(0,2) )
				{
				case 0:	EMIT_SOUND( ENT(pev), CHAN_WEAPON, "barnacle/bcl_chew1.wav", 1, ATTN_NORM );	break;
				case 1:	EMIT_SOUND( ENT(pev), CHAN_WEAPON, "barnacle/bcl_chew2.wav", 1, ATTN_NORM );	break;
				case 2:	EMIT_SOUND( ENT(pev), CHAN_WEAPON, "barnacle/bcl_chew3.wav", 1, ATTN_NORM );	break;
				}

				pVictim->BarnacleVictimBitten( pev );
			}

		}
	}
	else
	{
// barnacle has no prey right now, so just idle and check to see if anything is touching the tongue.

		// If idle and no nearby client, don't think so often
		if ( FNullEnt( FIND_CLIENT_IN_PVS( edict() ) ) )
			pev->nextthink = gpGlobals->time + RANDOM_FLOAT(1,1.5);	// Stagger a bit to keep barnacles from thinking on the same frame

		if ( m_fSequenceFinished )
		{// this is done so barnacle will fidget.
			SetActivity ( ACT_IDLE );
			m_flTongueAdj = -100;
		}

		if ( m_cGibs && RANDOM_LONG(0,99) == 1 )
		{
			// cough up a gib.
			CGib::SpawnRandomGibs( pev, 1, 1 );
			m_cGibs--;

			switch ( RANDOM_LONG(0,2) )
			{
			case 0:	EMIT_SOUND( ENT(pev), CHAN_WEAPON, "barnacle/bcl_chew1.wav", 1, ATTN_NORM );	break;
			case 1:	EMIT_SOUND( ENT(pev), CHAN_WEAPON, "barnacle/bcl_chew2.wav", 1, ATTN_NORM );	break;
			case 2:	EMIT_SOUND( ENT(pev), CHAN_WEAPON, "barnacle/bcl_chew3.wav", 1, ATTN_NORM );	break;
			}
		}

		pTouchEnt = TongueTouchEnt( &flLength );

		if ( pTouchEnt != NULL && m_fTongueExtended )
		{
			// tongue is fully extended, and is touching someone.
			if ( pTouchEnt->FBecomeProne() )
			{
				EMIT_SOUND( ENT(pev), CHAN_WEAPON, "barnacle/bcl_alert2.wav", 1, ATTN_NORM );	

				SetSequenceByName ( "attack1" );
				m_flTongueAdj = -20;

				m_hEnemy = pTouchEnt;

				pTouchEnt->pev->movetype = MOVETYPE_FLY;
				pTouchEnt->pev->velocity = g_vecZero;
				pTouchEnt->pev->basevelocity = g_vecZero;
				pTouchEnt->pev->origin.x = pev->origin.x;
				pTouchEnt->pev->origin.y = pev->origin.y;

				m_fLiftingPrey = TRUE;// indicate that we should be lifting prey.
				m_flKillVictimTime = -1;// set this to a bogus time while the victim is lifted.

				m_flAltitude = (pev->origin.z - pTouchEnt->EyePosition().z);
			}
		}
		else
		{
			// calculate a new length for the tongue to be clear of anything else that moves under it. 
			if ( m_flAltitude < flLength )
			{
				// if tongue is higher than is should be, lower it kind of slowly.
				m_flAltitude += BARNACLE_PULL_SPEED;
				m_fTongueExtended = FALSE;
			}
			else
			{
				m_flAltitude = flLength;
				m_fTongueExtended = TRUE;
			}

		}

	}

	// ALERT( at_console, "tounge %f\n", m_flAltitude + m_flTongueAdj );
	SetBoneController( 0, -(m_flAltitude + m_flTongueAdj) );
	StudioFrameAdvance( 0.1 );
}

void CXenPLight :: Think( void )
{
	StudioFrameAdvance();
	pev->nextthink = gpGlobals->time + 0.1;
}

void CApache :: DyingThink( void )
{
	StudioFrameAdvance( );
	pev->nextthink = gpGlobals->time + 0.1;

	pev->avelocity = pev->avelocity * 1.02;

	// still falling?
	if (m_flNextRocket > gpGlobals->time )
	{
		// random explosions
		MESSAGE_BEGIN( MSG_PVS, SVC_TEMPENTITY, pev->origin );
			WRITE_BYTE( TE_EXPLOSION);		// This just makes a dynamic light now
			WRITE_COORD( pev->origin.x + RANDOM_FLOAT( -150, 150 ));
			WRITE_COORD( pev->origin.y + RANDOM_FLOAT( -150, 150 ));
			WRITE_COORD( pev->origin.z + RANDOM_FLOAT( -150, -50 ));
			WRITE_SHORT( g_sModelIndexFireball );
			WRITE_BYTE( RANDOM_LONG(0,29) + 30  ); // scale * 10
			WRITE_BYTE( 12  ); // framerate
			WRITE_BYTE( TE_EXPLFLAG_NONE );
		MESSAGE_END();

		// lots of smoke
		MESSAGE_BEGIN( MSG_PVS, SVC_TEMPENTITY, pev->origin );
			WRITE_BYTE( TE_SMOKE );
			WRITE_COORD( pev->origin.x + RANDOM_FLOAT( -150, 150 ));
			WRITE_COORD( pev->origin.y + RANDOM_FLOAT( -150, 150 ));
			WRITE_COORD( pev->origin.z + RANDOM_FLOAT( -150, -50 ));
			WRITE_SHORT( g_sModelIndexSmoke );
			WRITE_BYTE( 100 ); // scale * 10
			WRITE_BYTE( 10  ); // framerate
		MESSAGE_END();

		Vector vecSpot = pev->origin + (pev->mins + pev->maxs) * 0.5;
		MESSAGE_BEGIN( MSG_PVS, SVC_TEMPENTITY, vecSpot );
			WRITE_BYTE( TE_BREAKMODEL);

			// position
			WRITE_COORD( vecSpot.x );
			WRITE_COORD( vecSpot.y );
			WRITE_COORD( vecSpot.z );

			// size
			WRITE_COORD( 400 );
			WRITE_COORD( 400 );
			WRITE_COORD( 132 );

			// velocity
			WRITE_COORD( pev->velocity.x ); 
			WRITE_COORD( pev->velocity.y );
			WRITE_COORD( pev->velocity.z );

			// randomization
			WRITE_BYTE( 50 ); 

			// Model
			WRITE_SHORT( m_iBodyGibs );	//model id#

			// # of shards
			WRITE_BYTE( 4 );	// let client decide

			// duration
			WRITE_BYTE( 30 );// 3.0 seconds

			// flags

			WRITE_BYTE( BREAK_METAL );
		MESSAGE_END();

		// don't stop it we touch a entity
		pev->flags &= ~FL_ONGROUND;
		pev->nextthink = gpGlobals->time + 0.2;
		return;
	}
	else
	{
		Vector vecSpot = pev->origin + (pev->mins + pev->maxs) * 0.5;

		/*
		MESSAGE_BEGIN( MSG_BROADCAST, SVC_TEMPENTITY );
			WRITE_BYTE( TE_EXPLOSION);		// This just makes a dynamic light now
			WRITE_COORD( vecSpot.x );
			WRITE_COORD( vecSpot.y );
			WRITE_COORD( vecSpot.z + 300 );
			WRITE_SHORT( g_sModelIndexFireball );
			WRITE_BYTE( 250 ); // scale * 10
			WRITE_BYTE( 8  ); // framerate
		MESSAGE_END();
		*/

		// fireball
		MESSAGE_BEGIN( MSG_PVS, SVC_TEMPENTITY, vecSpot );
			WRITE_BYTE( TE_SPRITE );
			WRITE_COORD( vecSpot.x );
			WRITE_COORD( vecSpot.y );
			WRITE_COORD( vecSpot.z + 256 );
			WRITE_SHORT( m_iExplode );
			WRITE_BYTE( 120 ); // scale * 10
			WRITE_BYTE( 255 ); // brightness
		MESSAGE_END();
//.........这里部分代码省略.........

void CApache :: HuntThink( void )
{
	StudioFrameAdvance( );
	pev->nextthink = gpGlobals->time + 0.1;

	ShowDamage( );

	if ( m_pGoalEnt == NULL && !FStringNull(pev->target) )// this monster has a target
	{
		m_pGoalEnt = UTIL_FindEntityByTargetname( NULL, STRING( pev->target ) );
		if (m_pGoalEnt)
		{
			m_posDesired = m_pGoalEnt->pev->origin;
			UTIL_MakeAimVectors( m_pGoalEnt->pev->angles );
			m_vecGoal = gpGlobals->v_forward;
		}
	}

	// if (m_hEnemy == NULL)
	{
		Look( 4092 );
		m_hEnemy = BestVisibleEnemy( );
	}

	// generic speed up
	if (m_flGoalSpeed < 800)
		m_flGoalSpeed += 5;

	if (m_hEnemy != NULL)
	{
		// ALERT( at_console, "%s\n", STRING( m_hEnemy->pev->classname ) );
		if (FVisible( m_hEnemy ))
		{
			if (m_flLastSeen < gpGlobals->time - 5)
				m_flPrevSeen = gpGlobals->time;
			m_flLastSeen = gpGlobals->time;
			m_posTarget = m_hEnemy->Center( );
		}
		else
		{
			m_hEnemy = NULL;
		}
	}

	m_vecTarget = (m_posTarget - pev->origin).Normalize();

	float flLength = (pev->origin - m_posDesired).Length();

	if (m_pGoalEnt)
	{
		// ALERT( at_console, "%.0f\n", flLength );

		if (flLength < 128)
		{
			m_pGoalEnt = UTIL_FindEntityByTargetname( NULL, STRING( m_pGoalEnt->pev->target ) );
			if (m_pGoalEnt)
			{
				m_posDesired = m_pGoalEnt->pev->origin;
				UTIL_MakeAimVectors( m_pGoalEnt->pev->angles );
				m_vecGoal = gpGlobals->v_forward;
				flLength = (pev->origin - m_posDesired).Length();
			}
		}
	}
	else
	{
		m_posDesired = pev->origin;
	}

	if (flLength > 250) // 500
	{
		// float flLength2 = (m_posTarget - pev->origin).Length() * (1.5 - DotProduct((m_posTarget - pev->origin).Normalize(), pev->velocity.Normalize() ));
		// if (flLength2 < flLength)
		if (m_flLastSeen + 90 > gpGlobals->time && DotProduct( (m_posTarget - pev->origin).Normalize(), (m_posDesired - pev->origin).Normalize( )) > 0.25)
		{
			m_vecDesired = (m_posTarget - pev->origin).Normalize( );
		}
		else
		{
			m_vecDesired = (m_posDesired - pev->origin).Normalize( );
		}
	}
	else
	{
		m_vecDesired = m_vecGoal;
	}

	Flight( );

	// ALERT( at_console, "%.0f %.0f %.0f\n", gpGlobals->time, m_flLastSeen, m_flPrevSeen );
	if ((m_flLastSeen + 1 > gpGlobals->time) && (m_flPrevSeen + 2 < gpGlobals->time))
	{
		if (FireGun( ))
		{
			// slow down if we're fireing
			if (m_flGoalSpeed > 400)
				m_flGoalSpeed = 400;
		}

		// don't fire rockets and gun on easy mode
//.........这里部分代码省略.........

void CApache::NullThink( void )
{
	StudioFrameAdvance( );
	SetNextThink( 0.5 );
}

void CApache::NullThink( void )
{
	StudioFrameAdvance( );
	pev->nextthink = gpGlobals->time + 0.5;
}

void CLeech::UpdateMotion( void )
{
	float flapspeed = (pev->speed - m_flAccelerate) / LEECH_ACCELERATE;
	m_flAccelerate = m_flAccelerate * 0.8 + pev->speed * 0.2;

	if (flapspeed < 0) 
		flapspeed = -flapspeed;
	flapspeed += 1.0;
	if (flapspeed < 0.5) 
		flapspeed = 0.5;
	if (flapspeed > 1.9) 
		flapspeed = 1.9;

	pev->framerate = flapspeed;

	if ( !m_fPathBlocked )
		pev->avelocity.y = pev->ideal_yaw;
	else
		pev->avelocity.y = pev->ideal_yaw * m_obstacle;

	if ( pev->avelocity.y > 150 )
		m_IdealActivity = ACT_TURN_LEFT;
	else if ( pev->avelocity.y < -150 )
		m_IdealActivity = ACT_TURN_RIGHT;
	else
		m_IdealActivity = ACT_SWIM;

	// lean
	float targetPitch, delta;
	delta = m_height - GetAbsOrigin().z;

	if ( delta < -10 )
		targetPitch = -30;
	else if ( delta > 10 )
		targetPitch = 30;
	else
		targetPitch = 0;

	pev->angles.x = UTIL_Approach( targetPitch, pev->angles.x, 60 * LEECH_FRAMETIME );

	// bank
	pev->avelocity.z = - (pev->angles.z + (pev->avelocity.y * 0.25));

	if ( m_MonsterState == MONSTERSTATE_COMBAT && HasConditions( bits_COND_CAN_MELEE_ATTACK1 ) )
		m_IdealActivity = ACT_MELEE_ATTACK1;

	// Out of water check
	if ( !GetWaterLevel() )
	{
		pev->movetype = MOVETYPE_TOSS;
		m_IdealActivity = ACT_TWITCH;
		pev->velocity = g_vecZero;

		// Animation will intersect the floor if either of these is non-zero
		pev->angles.z = 0;
		pev->angles.x = 0;

		if ( pev->framerate < 1.0 )
			pev->framerate = 1.0;
	}
	else if ( pev->movetype == MOVETYPE_TOSS )
	{
		pev->movetype = MOVETYPE_FLY;
		pev->flags &= ~FL_ONGROUND;
		RecalculateWaterlevel();
		m_waterTime = gpGlobals->time + 2;	// Recalc again soon, water may be rising
	}

	if ( m_Activity != m_IdealActivity )
	{
		SetActivity ( m_IdealActivity );
	}
	float flInterval = StudioFrameAdvance();
	DispatchAnimEvents ( flInterval );

#if DEBUG_BEAMS
	if ( !m_pb )
		m_pb = CBeam::BeamCreate( "sprites/laserbeam.spr", 5 );
	if ( !m_pt )
		m_pt = CBeam::BeamCreate( "sprites/laserbeam.spr", 5 );
	m_pb->PointsInit( GetAbsOrigin(), GetAbsOrigin() + gpGlobals->v_forward * LEECH_CHECK_DIST );
	m_pt->PointsInit( GetAbsOrigin(), GetAbsOrigin() - gpGlobals->v_right * (pev->avelocity.y*0.25) );
	if ( m_fPathBlocked )
	{
		float color = m_obstacle * 30;
		if ( m_obstacle == 1.0 )
			color = 0;
		if ( color > 255 )
			color = 255;
		m_pb->SetColor( 255, (int)color, (int)color );
	}
	else
		m_pb->SetColor( 255, 255, 0 );
	m_pt->SetColor( 0, 0, 255 );
#endif
}

//---------------------------------------------------------
//---------------------------------------------------------
void CBounceBomb::SearchThink()
{
	if( !UTIL_FindClientInPVS(edict()) )
	{
		// Sleep!
		SetNextThink( gpGlobals->curtime + 0.5 );
		return;
	}

	if(	(CAI_BaseNPC::m_nDebugBits & bits_debugDisableAI) )
	{
		if( IsAwake() )
		{
			Wake(false);
		}

		SetNextThink( gpGlobals->curtime + 0.5 );
		return;
	}

	SetNextThink( gpGlobals->curtime + 0.1 );
	StudioFrameAdvance();

	if( m_pConstraint && gpGlobals->curtime - m_flTimeGrabbed >= 1.0f )
	{
		m_OnPulledUp.FireOutput( this, this );
		SetMineState( MINE_STATE_CAPTIVE );
		return;
	}

	float flNearestNPCDist = FindNearestNPC();

	if( flNearestNPCDist <= BOUNCEBOMB_WARN_RADIUS )
	{
		if( !IsAwake() )
		{
			Wake( true );
		}
	}
	else
	{
 		if( IsAwake() )
		{
			Wake( false );
		}

		return;
	}

	if( flNearestNPCDist <= BOUNCEBOMB_DETONATE_RADIUS && !IsFriend( m_hNearestNPC ) )
	{
		if( m_bBounce )
		{
			SetMineState( MINE_STATE_TRIGGERED );
		}
		else
		{
			// Don't pop up in the air, just explode if the NPC gets closer than explode radius.
			SetThink( &CBounceBomb::ExplodeThink );
			SetNextThink( gpGlobals->curtime + m_flExplosionDelay );
		}
	}
}

void CNihilanth :: HuntThink( void )
{
	pev->nextthink = gpGlobals->time + 0.1;
	DispatchAnimEvents( );
	StudioFrameAdvance( );

	ShootBalls( );

	// if dead, force cancelation of current animation
	if (pev->health <= 0)
	{
		SetThink( &CNihilanth::DyingThink );
		m_fSequenceFinished = TRUE;
		return;
	}

	// ALERT( at_console, "health %.0f\n", pev->health );

	// if damaged, try to abosorb some spheres
	if (pev->health < gSkillData.nihilanthHealth && AbsorbSphere( ))
	{
		pev->health += gSkillData.nihilanthHealth / N_SPHERES;
	}

	// get new sequence
	if (m_fSequenceFinished)
	{
		// if (!m_fSequenceLoops)
		pev->frame = 0;
		NextActivity( );
		ResetSequenceInfo( );
		pev->framerate = 2.0 - 1.0 * (pev->health / gSkillData.nihilanthHealth);
	}

	// look for current enemy	
	if (m_hEnemy != NULL && m_hRecharger == NULL)
	{
		if (FVisible( m_hEnemy ))
		{
			if (m_flLastSeen < gpGlobals->time - 5)
				m_flPrevSeen = gpGlobals->time;
			m_flLastSeen = gpGlobals->time;
			m_posTarget = m_hEnemy->pev->origin;
			m_vecTarget = (m_posTarget - pev->origin).Normalize();
			m_vecDesired = m_vecTarget;
			m_posDesired = Vector( pev->origin.x, pev->origin.y, m_posTarget.z + m_flAdj );
		}
		else
		{
			m_flAdj = min( m_flAdj + 10, 1000 );
		}
	}

	// don't go too high
	if (m_posDesired.z > m_flMaxZ)
		m_posDesired.z = m_flMaxZ;

	// don't go too low
	if (m_posDesired.z < m_flMinZ)
		m_posDesired.z = m_flMinZ;

	Flight( );
}

//=========================================================
// sit, do stuff
//=========================================================
void CSittingScientist :: SittingThink( void )
{
	CBaseEntity *pent;	

	StudioFrameAdvance( );

	// try to greet player
	if (FIdleHello())
	{
		pent = FindNearestFriend(TRUE);
		if (pent)
		{
			float yaw = VecToYaw(pent->pev->origin - pev->origin) - pev->angles.y;

			if (yaw > 180) yaw -= 360;
			if (yaw < -180) yaw += 360;
				
			if (yaw > 0)
				pev->sequence = m_baseSequence + SITTING_ANIM_sitlookleft;
			else
				pev->sequence = m_baseSequence + SITTING_ANIM_sitlookright;
		
		ResetSequenceInfo( );
		pev->frame = 0;
		SetBoneController( 0, 0 );
		}
	}
	else if (m_fSequenceFinished)
	{
		int i = RANDOM_LONG(0,99);
		m_headTurn = 0;
		
		if (m_flResponseDelay && gpGlobals->time > m_flResponseDelay)
		{
			// respond to question
			IdleRespond();
			pev->sequence = m_baseSequence + SITTING_ANIM_sitscared;
			m_flResponseDelay = 0;
		}
		else if (i < 30)
		{
			pev->sequence = m_baseSequence + SITTING_ANIM_sitting3;	

			// turn towards player or nearest friend and speak

			if (!FBitSet(m_bitsSaid, bit_saidHelloPlayer))
				pent = FindNearestFriend(TRUE);
			else
				pent = FindNearestFriend(FALSE);

			if (!FIdleSpeak() || !pent)
			{	
				m_headTurn = RANDOM_LONG(0,8) * 10 - 40;
				pev->sequence = m_baseSequence + SITTING_ANIM_sitting3;
			}
			else
			{
				// only turn head if we spoke
				float yaw = VecToYaw(pent->pev->origin - pev->origin) - pev->angles.y;

				if (yaw > 180) yaw -= 360;
				if (yaw < -180) yaw += 360;
				
				if (yaw > 0)
					pev->sequence = m_baseSequence + SITTING_ANIM_sitlookleft;
				else
					pev->sequence = m_baseSequence + SITTING_ANIM_sitlookright;

				//ALERT(at_console, "sitting speak\n");
			}
		}
		else if (i < 60)
		{
			pev->sequence = m_baseSequence + SITTING_ANIM_sitting3;	
			m_headTurn = RANDOM_LONG(0,8) * 10 - 40;
			if (RANDOM_LONG(0,99) < 5)
			{
				//ALERT(at_console, "sitting speak2\n");
				FIdleSpeak();
			}
		}
		else if (i < 80)
		{
			pev->sequence = m_baseSequence + SITTING_ANIM_sitting2;
		}
		else if (i < 100)
		{
			pev->sequence = m_baseSequence + SITTING_ANIM_sitscared;
		}

		ResetSequenceInfo( );
		pev->frame = 0;
		SetBoneController( 0, m_headTurn );
	}
	pev->nextthink = gpGlobals->time + 0.1;
}