//
// This search function will sit with the turret deployed and look for a new target.
// After a set amount of time, the barrel will spin down. After m_flMaxWait, the turret will
// retact.
//
void CBaseTurret::SearchThink(void)
{
// ensure rethink
SetTurretAnim(TURRET_ANIM_SPIN);
StudioFrameAdvance( );
pev->nextthink = gpGlobals->time + 0.1;
if (m_flSpinUpTime == 0 && m_flMaxSpin)
m_flSpinUpTime = gpGlobals->time + m_flMaxSpin;
Ping( );
// If we have a target and we're still healthy
if (m_hEnemy != NULL)
{
if (!m_hEnemy->IsAlive() )
m_hEnemy = NULL;// Dead enemy forces a search for new one
}
// Acquire Target
if (m_hEnemy == NULL)
{
Look(TURRET_RANGE);
m_hEnemy = BestVisibleEnemy();
}
// If we've found a target, spin up the barrel and start to attack
if (m_hEnemy != NULL)
{
m_flLastSight = 0;
m_flSpinUpTime = 0;
SetThink(&CBaseTurret::ActiveThink);
}
else
{
// Are we out of time, do we need to retract?
if (gpGlobals->time > m_flLastSight)
{
//Before we retrace, make sure that we are spun down.
m_flLastSight = 0;
m_flSpinUpTime = 0;
SetThink(&CBaseTurret::Retire);
}
// should we stop the spin?
else if ((m_flSpinUpTime) && (gpGlobals->time > m_flSpinUpTime))
{
SpinDownCall();
}
// generic hunt for new victims
m_vecGoalAngles.y = (m_vecGoalAngles.y + 0.1 * m_fTurnRate);
if (m_vecGoalAngles.y >= 360)
m_vecGoalAngles.y -= 360;
MoveTurret();
}
}
//-----------------------------------------------------------------------------
// Make sure our target is still valid, and if so, fire at it
//-----------------------------------------------------------------------------
void CObjectSentrygun::Attack()
{
StudioFrameAdvance( );
if ( !FindTarget() )
{
m_iState.Set( SENTRY_STATE_SEARCHING );
m_hEnemy = NULL;
return;
}
// Track enemy
Vector vecMid = EyePosition();
Vector vecMidEnemy = m_hEnemy->WorldSpaceCenter();
Vector vecDirToEnemy = vecMidEnemy - vecMid;
QAngle angToTarget;
VectorAngles( vecDirToEnemy, angToTarget );
angToTarget.y = UTIL_AngleMod( angToTarget.y );
if (angToTarget.x < -180)
angToTarget.x += 360;
if (angToTarget.x > 180)
angToTarget.x -= 360;
// now all numbers should be in [1...360]
// pin to turret limitations to [-50...50]
if (angToTarget.x > 50)
angToTarget.x = 50;
else if (angToTarget.x < -50)
angToTarget.x = -50;
m_vecGoalAngles.y = angToTarget.y;
m_vecGoalAngles.x = angToTarget.x;
MoveTurret();
// Fire on the target if it's within 10 units of being aimed right at it
if ( m_flNextAttack <= gpGlobals->curtime && (m_vecGoalAngles - m_vecCurAngles).Length() <= 10 )
{
Fire();
if ( m_iUpgradeLevel == 1 )
{
// Level 1 sentries fire slower
m_flNextAttack = gpGlobals->curtime + 0.2;
}
else
{
m_flNextAttack = gpGlobals->curtime + 0.1;
}
}
else
{
// SetSentryAnim( TFTURRET_ANIM_SPIN );
}
}
//=========================================================
// Retire - stop being active
//=========================================================
void CNPC_BaseTurret::Retire(void)
{
// make the turret level
m_vecGoalAngles.x = 0;
m_vecGoalAngles.y = m_flStartYaw;
SetNextThink( gpGlobals->curtime + 0.1 );
StudioFrameAdvance( );
EyeOff( );
if (!MoveTurret())
{
if (m_iSpin)
{
SpinDownCall();
}
else if (GetSequence() != TURRET_ANIM_RETIRE)
{
SetTurretAnim(TURRET_ANIM_RETIRE);
CPASAttenuationFilter filter( this );
EmitSound( filter, entindex(), "Turret.Undeploy" );
m_OnDeactivate.FireOutput(this, this);
}
//else if (IsSequenceFinished())
else if( GetSequence() == TURRET_ANIM_RETIRE && GetCycle() <= 0.0 )
{
m_iOn = 0;
m_flLastSight = 0;
//SetTurretAnim(TURRET_ANIM_NONE);
Vector curmins, curmaxs;
curmins = WorldAlignMins();
curmaxs = WorldAlignMaxs();
curmaxs.z = m_iRetractHeight;
curmins.z = -m_iRetractHeight;
SetCollisionBounds( curmins, curmaxs );
if (m_iAutoStart)
{
SetThink(&CNPC_BaseTurret::AutoSearchThink);
SetNextThink( gpGlobals->curtime + 0.1 );
}
else
{
SetThink( &CBaseEntity::SUB_DoNothing );
}
}
}
else
{
SetTurretAnim(TURRET_ANIM_SPIN);
}
}
//=========================================================
// TurretDeath - I die as I have lived, beyond my means
//=========================================================
void CNPC_BaseTurret::TurretDeath(void)
{
StudioFrameAdvance( );
SetNextThink( gpGlobals->curtime + 0.1 );
if (m_lifeState != LIFE_DEAD)
{
m_lifeState = LIFE_DEAD;
CPASAttenuationFilter filter( this );
EmitSound( filter, entindex(), "Turret.Die" );
StopSound( entindex(), "Turret.Spinup" );
if (m_iOrientation == TURRET_ORIENTATION_FLOOR)
m_vecGoalAngles.x = -14;
else
m_vecGoalAngles.x = 90;//-90;
SetTurretAnim(TURRET_ANIM_DIE);
EyeOn( );
}
EyeOff( );
if (m_flDamageTime + random->RandomFloat( 0, 2 ) > gpGlobals->curtime)
{
// lots of smoke
Vector pos;
CollisionProp()->RandomPointInBounds( vec3_origin, Vector( 1, 1, 1 ), &pos );
pos.z = CollisionProp()->GetCollisionOrigin().z;
CBroadcastRecipientFilter filter;
te->Smoke( filter, 0.0, &pos,
g_sModelIndexSmoke,
2.5,
10 );
}
if (m_flDamageTime + random->RandomFloat( 0, 5 ) > gpGlobals->curtime)
{
Vector vecSrc;
CollisionProp()->RandomPointInBounds( vec3_origin, Vector( 1, 1, 1 ), &vecSrc );
g_pEffects->Sparks( vecSrc );
}
if (IsSequenceFinished() && !MoveTurret() && m_flDamageTime + 5 < gpGlobals->curtime)
{
m_flPlaybackRate = 0;
SetThink( NULL );
}
}
void CBaseTurret::Retire(void)
{
// make the turret level
m_vecGoalAngles = GetAngles( );
SetNextThink( gpGlobals->curtime + 0.1f );
StudioFrameAdvance( );
EyeOff( );
if ( m_Activity != ACT_TURRET_CLOSE )
{
SetActivity( (Activity)ACT_TURRET_OPEN_IDLE );
if (!MoveTurret())
{
SetActivity( (Activity)ACT_TURRET_CLOSE );
EmitSound( "NPC_Turret.Retire" );
m_OnRetire.FireOutput(NULL, this);
}
}
else if (m_fSequenceFinished)
{
m_iOn = 0;
m_flLastSight = 0;
SetActivity( (Activity)ACT_TURRET_CLOSED_IDLE );
Vector curmins, curmaxs;
curmins = WorldAlignMins();
curmaxs = WorldAlignMaxs();
curmaxs.z = m_iRetractHeight;
curmins.z = -m_iRetractHeight;
SetCollisionBounds( curmins, curmaxs );
Relink();
if (m_iAutoStart)
{
SetThink(AutoSearchThink);
SetNextThink( gpGlobals->curtime + .1 );
}
else
{
SetThink(SUB_DoNothing);
}
}
}
//
// This search function will sit with the turret deployed and look for a new target.
// After a set amount of time, the barrel will spin down. After m_flMaxWait, the turret will
// retact.
//
void CBaseTurret::SearchThink(void)
{
// ensure rethink
SetActivity( (Activity)ACT_TURRET_OPEN_IDLE );
StudioFrameAdvance( );
SetNextThink( gpGlobals->curtime + 0.1f );
Ping( );
// If we have a target and we're still healthy
if (GetEnemy() != NULL)
{
if (!GetEnemy()->IsAlive() )
SetEnemy( NULL );// Dead enemy forces a search for new one
}
// Acquire Target
if (GetEnemy() == NULL)
{
GetSenses()->Look(TURRET_RANGE);
SetEnemy( BestEnemy() );
}
// If we've found a target, spin up the barrel and start to attack
if (GetEnemy() != NULL)
{
m_flLastSight = 0;
SetThink(ActiveThink);
}
else
{
// Are we out of time, do we need to retract?
if (gpGlobals->curtime > m_flLastSight)
{
//Before we retrace, make sure that we are spun down.
m_flLastSight = 0;
SetThink(Retire);
}
// generic hunt for new victims
m_vecGoalAngles.y = (m_vecGoalAngles.y + 0.1 * m_iBaseTurnRate);
if (m_vecGoalAngles.y >= 360)
m_vecGoalAngles.y -= 360;
MoveTurret();
}
}
void CBaseTurret::Retire(void)
{
// make the turret level
m_vecGoalAngles.x = 0;
m_vecGoalAngles.y = m_flStartYaw;
pev->nextthink = gpGlobals->time + 0.1;
StudioFrameAdvance( );
EyeOff( );
if (!MoveTurret())
{
if (m_iSpin)
{
SpinDownCall();
}
else if (pev->sequence != TURRET_ANIM_RETIRE)
{
SetTurretAnim(TURRET_ANIM_RETIRE);
EMIT_SOUND_DYN(ENT(pev), CHAN_BODY, "turret/tu_deploy.wav", TURRET_MACHINE_VOLUME, ATTN_NORM, 0, 120);
SUB_UseTargets( this, USE_OFF, 0 );
}
else if (m_fSequenceFinished)
{
m_iOn = 0;
m_flLastSight = 0;
SetTurretAnim(TURRET_ANIM_NONE);
pev->maxs.z = m_iRetractHeight;
pev->mins.z = -m_iRetractHeight;
UTIL_SetSize(pev, pev->mins, pev->maxs);
if (m_iAutoStart)
{
SetThink(&CBaseTurret::AutoSearchThink);
pev->nextthink = gpGlobals->time + .1;
}
else
SetThink(&CBaseTurret::SUB_DoNothing);
}
}
else
{
SetTurretAnim(TURRET_ANIM_SPIN);
}
}
void CBaseTurret :: TurretDeath( void )
{
StudioFrameAdvance( );
SetNextThink( gpGlobals->curtime + 0.1f );
if (m_lifeState != LIFE_DEAD)
{
m_lifeState = LIFE_DEAD;
EmitSound( "NPC_Turret.Die" );
SetActivity( (Activity)ACT_TURRET_CLOSE );
EyeOn( );
}
EyeOff( );
if (m_flDamageTime + random->RandomFloat( 0, 2 ) > gpGlobals->curtime)
{
// lots of smoke
Vector pos;
CollisionProp()->RandomPointInBounds( vec3_origin, Vector( 1, 1, 1 ), &pos );
pos.z = CollisionProp()->GetCollisionOrigin().z;
CBroadcastRecipientFilter filter;
te->Smoke( filter, 0.0, &pos,
g_sModelIndexSmoke,
2.5,
10 );
}
if (m_flDamageTime + random->RandomFloat( 0, 5 ) > gpGlobals->curtime)
{
Vector vecSrc;
CollisionProp()->RandomPointInBounds( vec3_origin, Vector( 1, 1, 1 ), &vecSrc );
g_pEffects->Sparks( vecSrc );
}
if (m_fSequenceFinished && !MoveTurret( ) && m_flDamageTime + 5 < gpGlobals->curtime)
{
m_flPlaybackRate = 0;
SetThink( NULL );
}
}
void CBaseTurret :: TurretDeath( void )
{
BOOL iActive = FALSE;
StudioFrameAdvance( );
pev->nextthink = gpGlobals->time + 0.1;
if (pev->deadflag != DEAD_DEAD)
{
pev->deadflag = DEAD_DEAD;
float flRndSound = RANDOM_FLOAT ( 0 , 1 );
if ( flRndSound <= 0.33 )
EMIT_SOUND(ENT(pev), CHAN_BODY, "turret/tu_die.wav", 1.0, ATTN_NORM);
else if ( flRndSound <= 0.66 )
EMIT_SOUND(ENT(pev), CHAN_BODY, "turret/tu_die2.wav", 1.0, ATTN_NORM);
else
EMIT_SOUND(ENT(pev), CHAN_BODY, "turret/tu_die3.wav", 1.0, ATTN_NORM);
EMIT_SOUND_DYN(ENT(pev), CHAN_STATIC, "turret/tu_active2.wav", 0, 0, SND_STOP, 100);
if (m_iOrientation == 0)
m_vecGoalAngles.x = -15;
else
m_vecGoalAngles.x = -90;
SetTurretAnim(TURRET_ANIM_DIE);
EyeOn( );
}
EyeOff( );
if (pev->dmgtime + RANDOM_FLOAT( 0, 2 ) > gpGlobals->time)
{
// lots of smoke
MESSAGE_BEGIN( MSG_BROADCAST, SVC_TEMPENTITY );
WRITE_BYTE( TE_SMOKE );
WRITE_COORD( RANDOM_FLOAT( pev->absmin.x, pev->absmax.x ) );
WRITE_COORD( RANDOM_FLOAT( pev->absmin.y, pev->absmax.y ) );
WRITE_COORD( pev->origin.z - m_iOrientation * 64 );
WRITE_SHORT( g_sModelIndexSmoke );
WRITE_BYTE( 25 ); // scale * 10
WRITE_BYTE( 10 - m_iOrientation * 5); // framerate
MESSAGE_END();
}
if (pev->dmgtime + RANDOM_FLOAT( 0, 5 ) > gpGlobals->time)
{
Vector vecSrc = Vector( RANDOM_FLOAT( pev->absmin.x, pev->absmax.x ), RANDOM_FLOAT( pev->absmin.y, pev->absmax.y ), 0 );
if (m_iOrientation == 0)
vecSrc = vecSrc + Vector( 0, 0, RANDOM_FLOAT( pev->origin.z, pev->absmax.z ) );
else
vecSrc = vecSrc + Vector( 0, 0, RANDOM_FLOAT( pev->absmin.z, pev->origin.z ) );
UTIL_Sparks( vecSrc );
}
if (m_fSequenceFinished && !MoveTurret( ) && pev->dmgtime + 5 < gpGlobals->time)
{
pev->framerate = 0;
SetThink( NULL );
}
}
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
if (m_fBeserk)
{
if (RANDOM_LONG(0,9) == 0)
{
m_vecGoalAngles.y = RANDOM_FLOAT(0,360);
m_vecGoalAngles.x = RANDOM_FLOAT(0,90) - 90 * m_iOrientation;
TakeDamage(pev,pev,1, DMG_GENERIC); // don't beserk forever
return;
}
}
else if (fEnemyVisible)
{
if (vec.y > 360)
vec.y -= 360;
if (vec.y < 0)
vec.y += 360;
//ALERT(at_console, "[%.2f]", vec.x);
if (vec.x < -180)
vec.x += 360;
if (vec.x > 180)
vec.x -= 360;
// now all numbers should be in [1...360]
// pin to turret limitations to [-90...15]
if (m_iOrientation == 0)
{
if (vec.x > 90)
vec.x = 90;
else if (vec.x < m_iMinPitch)
vec.x = m_iMinPitch;
}
else
{
if (vec.x < -90)
vec.x = -90;
else if (vec.x > -m_iMinPitch)
vec.x = -m_iMinPitch;
}
// ALERT(at_console, "->[%.2f]\n", vec.x);
m_vecGoalAngles.y = vec.y;
m_vecGoalAngles.x = vec.x;
}
SpinUpCall();
MoveTurret();
}
//-----------------------------------------------------------------------------
// Rotate and scan for targets
//-----------------------------------------------------------------------------
void CObjectSentrygun::SentryRotate( void )
{
// if we're playing a fire gesture, stop it
if ( IsPlayingGesture( ACT_RANGE_ATTACK1 ) )
{
RemoveGesture( ACT_RANGE_ATTACK1 );
}
if ( IsPlayingGesture( ACT_RANGE_ATTACK1_LOW ) )
{
RemoveGesture( ACT_RANGE_ATTACK1_LOW );
}
// animate
StudioFrameAdvance();
// Look for a target
if ( FindTarget() )
return;
// Rotate
if ( !MoveTurret() )
{
// Change direction
if ( IsDisabled() )
{
EmitSound( "Building_Sentrygun.Disabled" );
m_vecGoalAngles.x = 30;
}
else
{
switch( m_iUpgradeLevel )
{
case 1:
default:
EmitSound( "Building_Sentrygun.Idle" );
break;
case 2:
EmitSound( "Building_Sentrygun.Idle2" );
break;
case 3:
EmitSound( "Building_Sentrygun.Idle3" );
break;
}
// Switch rotation direction
if ( m_bTurningRight )
{
m_bTurningRight = false;
m_vecGoalAngles.y = m_iLeftBound;
}
else
{
m_bTurningRight = true;
m_vecGoalAngles.y = m_iRightBound;
}
// Randomly look up and down a bit
if (random->RandomFloat(0, 1) < 0.3)
{
m_vecGoalAngles.x = (int)random->RandomFloat(-10,10);
}
}
}
}
//=========================================================
// ActiveThink -
//=========================================================
void CNPC_BaseTurret::ActiveThink(void)
{
int fAttack = 0;
SetNextThink( gpGlobals->curtime + 0.1 );
StudioFrameAdvance( );
if ( (!m_iOn) || (GetEnemy() == NULL) )
{
SetEnemy( NULL );
m_flLastSight = gpGlobals->curtime + m_flMaxWait;
SetThink(&CNPC_BaseTurret::SearchThink);
return;
}
// if it's dead, look for something new
if ( !GetEnemy()->IsAlive() )
{
if (!m_flLastSight)
{
m_flLastSight = gpGlobals->curtime + 0.5; // continue-shooting timeout
}
else
{
if (gpGlobals->curtime > m_flLastSight)
{
SetEnemy( NULL );
m_flLastSight = gpGlobals->curtime + m_flMaxWait;
SetThink(&CNPC_BaseTurret::SearchThink);
return;
}
}
}
Vector vecMid = GetAbsOrigin() + GetViewOffset();
Vector vecMidEnemy = GetEnemy()->BodyTarget( vecMid, false );
// Look for our current enemy
int fEnemyVisible = FBoxVisible(this, GetEnemy(), vecMidEnemy );
//We want to look at the enemy's eyes so we don't jitter
Vector vecDirToEnemyEyes = vecMidEnemy - vecMid;
float flDistToEnemy = vecDirToEnemyEyes.Length();
VectorNormalize( vecDirToEnemyEyes );
QAngle vecAnglesToEnemy;
VectorAngles( vecDirToEnemyEyes, vecAnglesToEnemy );
// Current enmey is not visible.
if (!fEnemyVisible || (flDistToEnemy > TURRET_RANGE))
{
if (!m_flLastSight)
m_flLastSight = gpGlobals->curtime + 0.5;
else
{
// Should we look for a new target?
if (gpGlobals->curtime > m_flLastSight)
{
SetEnemy( NULL );
m_flLastSight = gpGlobals->curtime + m_flMaxWait;
SetThink(&CNPC_BaseTurret::SearchThink);
return;
}
}
fEnemyVisible = 0;
}
else
{
m_vecLastSight = vecMidEnemy;
}
//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 = vecDirToEnemyEyes; //vecMid - m_vecLastSight;
VectorNormalize( vecLOS );
Vector vecMuzzle, vecMuzzleDir;
QAngle vecMuzzleAng;
GetAttachment( 1, vecMuzzle, vecMuzzleAng );
AngleVectors( vecMuzzleAng, &vecMuzzleDir );
// Is the Gun looking at the target
if (DotProduct(vecLOS, vecMuzzleDir) <= 0.866) // 30 degree slop
fAttack = FALSE;
else
fAttack = TRUE;
//forward
// NDebugOverlay::Line(vecMuzzle, vecMid + ( vecMuzzleDir * 200 ), 255,0,0, false, 0.1);
//LOS
// NDebugOverlay::Line(vecMuzzle, vecMid + ( vecLOS * 200 ), 0,0,255, false, 0.1);
// fire the gun
if (m_iSpin && ((fAttack) || (m_fBeserk)))
{
Vector vecOrigin;
QAngle vecAngles;
GetAttachment( 1, vecOrigin, vecAngles );
Shoot(vecOrigin, vecMuzzleDir );
SetTurretAnim(TURRET_ANIM_FIRE);
}
else
{
SetTurretAnim(TURRET_ANIM_SPIN);
}
//move the gun
if (m_fBeserk)
{
if (random->RandomInt(0,9) == 0)
{
m_vecGoalAngles.y = random->RandomFloat(0,360);
m_vecGoalAngles.x = random->RandomFloat(0,90) - 90 * m_iOrientation;
CTakeDamageInfo info;
info.SetAttacker(this);
info.SetInflictor(this);
info.SetDamage( 1 );
info.SetDamageType( DMG_GENERIC );
TakeDamage( info ); // don't beserk forever
return;
}
}
else if (fEnemyVisible)
{
if (vecAnglesToEnemy.y > 360)
vecAnglesToEnemy.y -= 360;
if (vecAnglesToEnemy.y < 0)
vecAnglesToEnemy.y += 360;
//ALERT(at_console, "[%.2f]", vec.x);
if (vecAnglesToEnemy.x < -180)
vecAnglesToEnemy.x += 360;
if (vecAnglesToEnemy.x > 180)
vecAnglesToEnemy.x -= 360;
// now all numbers should be in [1...360]
// pin to turret limitations to [-90...14]
if (m_iOrientation == TURRET_ORIENTATION_FLOOR)
{
if (vecAnglesToEnemy.x > 90)
vecAnglesToEnemy.x = 90;
else if (vecAnglesToEnemy.x < m_iMinPitch)
vecAnglesToEnemy.x = m_iMinPitch;
}
else
{
if (vecAnglesToEnemy.x < -90)
vecAnglesToEnemy.x = -90;
else if (vecAnglesToEnemy.x > -m_iMinPitch)
vecAnglesToEnemy.x = -m_iMinPitch;
}
//DevMsg( 1, "->[%.2f]\n", vec.x);
m_vecGoalAngles.y = vecAnglesToEnemy.y;
m_vecGoalAngles.x = vecAnglesToEnemy.x;
}
SpinUpCall();
MoveTurret();
}
void CBaseTurret::ActiveThink(void)
{
int fAttack = 0;
Vector vecDirToEnemy;
SetNextThink( gpGlobals->curtime + 0.1f );
StudioFrameAdvance( );
if ((!m_iOn) || (GetEnemy() == NULL))
{
SetEnemy( NULL );
m_flLastSight = gpGlobals->curtime + m_flMaxWait;
SetThink(SearchThink);
return;
}
// if it's dead, look for something new
if ( !GetEnemy()->IsAlive() )
{
if (!m_flLastSight)
{
m_flLastSight = gpGlobals->curtime + 0.5; // continue-shooting timeout
}
else
{
if (gpGlobals->curtime > m_flLastSight)
{
SetEnemy( NULL );
m_flLastSight = gpGlobals->curtime + m_flMaxWait;
SetThink(SearchThink);
return;
}
}
}
Vector vecMid = EyePosition( );
Vector vecMidEnemy = GetEnemy()->BodyTarget(vecMid);
// g_pEffects->Sparks( vecMid );
// g_pEffects->Sparks( vecMidEnemy );
// Look for our current enemy
//int fEnemyVisible = FBoxVisible( this, GetEnemy(), vecMidEnemy );
int fEnemyVisible = FInViewCone( GetEnemy() ) && FVisible( GetEnemy() );
vecDirToEnemy = vecMidEnemy - vecMid; // calculate dir and dist to enemy
// NDebugOverlay::Line( vecMid, vecMidEnemy, 0, 255, 0, false, 0.1 );
float flDistToEnemy = vecDirToEnemy.Length();
QAngle vecAnglesToEnemy;
VectorNormalize( vecDirToEnemy );
VectorAngles( vecDirToEnemy, vecAnglesToEnemy );
// Current enmey is not visible.
if (!fEnemyVisible || (flDistToEnemy > TURRET_RANGE))
{
// DevMsg( "lost you\n" );
if (!m_flLastSight)
{
m_flLastSight = gpGlobals->curtime + 0.5;
}
else
{
// Should we look for a new target?
if (gpGlobals->curtime > m_flLastSight)
{
ClearEnemyMemory();
SetEnemy( NULL );
m_flLastSight = gpGlobals->curtime + m_flMaxWait;
SetThink(SearchThink);
return;
}
}
fEnemyVisible = 0;
}
else
{
m_vecLastSight = vecMidEnemy;
}
Vector vecLOS = vecDirToEnemy; //vecMid - m_vecLastSight;
VectorNormalize( vecLOS );
Vector vecMuzzle, vecMuzzleDir;
QAngle vecMuzzleAng;
GetAttachment( "eyes", vecMuzzle, vecMuzzleAng );
AngleVectors( vecMuzzleAng, &vecMuzzleDir );
// Is the Gun looking at the target
if (DotProduct(vecLOS, vecMuzzleDir) <= 0.9848) // 10 degree slop
{
fAttack = FALSE;
}
else
{
fAttack = TRUE;
}
// fire the gun
if (fAttack || m_fBeserk)
{
m_Activity = ACT_RESET;
SetActivity( (Activity)ACT_TURRET_FIRE );
Shoot(vecMuzzle, vecMuzzleDir );
}
else
{
SetActivity( (Activity)ACT_TURRET_OPEN_IDLE );
}
//move the gun
if (m_fBeserk)
{
// DevMsg( "berserk" );
if (random->RandomInt(0,9) == 0)
{
m_vecGoalAngles.y = random->RandomFloat(-180,180);
m_vecGoalAngles.x = random->RandomFloat(-90,90);
OnTakeDamage( CTakeDamageInfo( this, this, 1, DMG_GENERIC ) ); // don't beserk forever
return;
}
}
else if (fEnemyVisible)
{
// DevMsg( "->[%.2f]\n", vec.x);
m_vecGoalAngles.y = vecAnglesToEnemy.y;
m_vecGoalAngles.x = vecAnglesToEnemy.x;
}
MoveTurret();
}
void C_ObjectSentrygun::ClientThink( void )
{
// Turtling sentryguns don't think
if ( IsTurtled() )
return;
if ( IsPlacing() || IsBuilding() )
return;
if ( m_hEnemy != NULL )
{
// Figure out where we're firing at
Vector vecMid = EyePosition();
Vector vecFireTarget = m_hEnemy->WorldSpaceCenter(); // + vecMid; // BodyTarget( vecMid );
Vector vecDirToEnemy = vecFireTarget - vecMid;
QAngle angToTarget;
VectorAngles(vecDirToEnemy, angToTarget);
angToTarget.y = UTIL_AngleMod( angToTarget.y );
if (angToTarget.x < -180)
angToTarget.x += 360;
if (angToTarget.x > 180)
angToTarget.x -= 360;
// now all numbers should be in [1...360]
// pin to turret limitations to [-50...50]
if (angToTarget.x > 50)
angToTarget.x = 50;
else if (angToTarget.x < -50)
angToTarget.x = -50;
m_vecGoalAngles.y = angToTarget.y;
m_vecGoalAngles.x = angToTarget.x;
MoveTurret();
return;
}
// Rotate
if ( !MoveTurret() )
{
// Play a sound occasionally
if ( random->RandomFloat(0, 1) < 0.02 )
{
EmitSound( "ObjectSentrygun.Idle" );
}
// Switch rotation direction
if (m_bTurningRight)
{
m_bTurningRight = false;
m_vecGoalAngles.y = m_iLeftBound;
}
else
{
m_bTurningRight = true;
m_vecGoalAngles.y = m_iRightBound;
}
// Randomly look up and down a bit
if ( random->RandomFloat(0, 1) < 0.3 )
{
m_vecGoalAngles.x = (int)random->RandomFloat(-10,10);
}
}
}
