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();
}
//=========================================================
// 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();
}
