/* <8efe4> ../cstrike/dlls/func_tank.cpp:488 */
void CFuncTank::TrackTarget(void)
{
TraceResult tr;
edict_t *pPlayer = FIND_CLIENT_IN_PVS(edict());
BOOL updateTime = FALSE, lineOfSight;
Vector angles, direction, targetPosition, barrelEnd;
edict_t *pTarget = NULL;
// Get a position to aim for
if (m_pController != NULL)
{
// Tanks attempt to mirror the player's angles
angles = m_pController->pev->v_angle;
angles.x = 0 - angles.x;
pev->nextthink = pev->ltime + 0.05;
}
else
{
if (IsActive())
pev->nextthink = pev->ltime + 0.1;
else
return;
if (FNullEnt(pPlayer))
{
if (IsActive())
{
// Wait 2 secs
pev->nextthink = pev->ltime + 2;
}
return;
}
pTarget = FindTarget(pPlayer);
if (!pTarget)
{
return;
}
// Calculate angle needed to aim at target
barrelEnd = BarrelPosition();
targetPosition = pTarget->v.origin + pTarget->v.view_ofs;
float range = (targetPosition - barrelEnd).Length();
if (!InRange(range))
return;
UTIL_TraceLine(barrelEnd, targetPosition, dont_ignore_monsters, edict(), &tr);
lineOfSight = FALSE;
// No line of sight, don't track
if (tr.flFraction == 1.0f || tr.pHit == pTarget)
{
lineOfSight = TRUE;
CBaseEntity *pInstance = CBaseEntity::Instance(pTarget);
if (InRange(range) && pInstance && pInstance->IsAlive())
{
updateTime = TRUE;
m_sightOrigin = UpdateTargetPosition(pInstance);
}
}
// Track sight origin
// !!! I'm not sure what i changed
direction = m_sightOrigin - pev->origin;
//direction = m_sightOrigin - barrelEnd;
angles = UTIL_VecToAngles(direction);
// Calculate the additional rotation to point the end of the barrel at the target (not the gun's center)
AdjustAnglesForBarrel(angles, direction.Length());
}
angles.x = -angles.x;
// Force the angles to be relative to the center position
angles.y = m_yawCenter + UTIL_AngleDistance(angles.y, m_yawCenter);
angles.x = m_pitchCenter + UTIL_AngleDistance(angles.x, m_pitchCenter);
// Limit against range in y
if (angles.y > m_yawCenter + m_yawRange)
{
angles.y = m_yawCenter + m_yawRange;
// Don't update if you saw the player, but out of range
updateTime = FALSE;
}
else if (angles.y < (m_yawCenter - m_yawRange))
{
angles.y = (m_yawCenter - m_yawRange);
// Don't update if you saw the player, but out of range
updateTime = FALSE;
}
if (updateTime)
{
m_lastSightTime = gpGlobals->time;
}
// Move toward target at rate or less
float_precision distY = UTIL_AngleDistance(angles.y, pev->angles.y);
pev->avelocity.y = distY * 10;
if (pev->avelocity.y > m_yawRate)
{
pev->avelocity.y = m_yawRate;
}
else if (pev->avelocity.y < -m_yawRate)
{
pev->avelocity.y = -m_yawRate;
}
// Limit against range in x
if (angles.x > m_pitchCenter + m_pitchRange)
{
angles.x = m_pitchCenter + m_pitchRange;
}
else if (angles.x < m_pitchCenter - m_pitchRange)
{
angles.x = m_pitchCenter - m_pitchRange;
}
// Move toward target at rate or less
float_precision distX = UTIL_AngleDistance(angles.x, pev->angles.x);
pev->avelocity.x = distX * 10;
if (pev->avelocity.x > m_pitchRate)
{
pev->avelocity.x = m_pitchRate;
}
else if (pev->avelocity.x < -m_pitchRate)
{
pev->avelocity.x = -m_pitchRate;
}
if (m_pController != NULL)
{
return;
}
if (CanFire() && ((fabs(distX) < m_pitchTolerance && fabs(distY) < m_yawTolerance) || (pev->spawnflags & SF_TANK_LINEOFSIGHT)))
{
BOOL fire = FALSE;
Vector forward;
UTIL_MakeVectorsPrivate(pev->angles, forward, NULL, NULL);
if (pev->spawnflags & SF_TANK_LINEOFSIGHT)
{
float length = direction.Length();
UTIL_TraceLine(barrelEnd, barrelEnd + forward * length, dont_ignore_monsters, edict(), &tr);
if (tr.pHit == pTarget)
{
fire = TRUE;
}
}
else
fire = TRUE;
if (fire)
{
Fire(BarrelPosition(), forward, pev);
}
else
m_fireLast = 0;
}
else
m_fireLast = 0;
}
void CFuncTank::TrackTarget(void)
{
TraceResult tr;
edict_t *pPlayer = FIND_CLIENT_IN_PVS(edict());
BOOL updateTime = FALSE, lineOfSight;
Vector angles, direction, targetPosition, barrelEnd;
edict_t *pTarget = NULL;
if (m_pController)
{
angles = m_pController->pev->v_angle;
angles[0] = 0 - angles[0];
pev->nextthink = pev->ltime + 0.05;
}
else
{
if (IsActive())
pev->nextthink = pev->ltime + 0.1;
else
return;
if (FNullEnt(pPlayer))
{
if (IsActive())
pev->nextthink = pev->ltime + 2;
return;
}
pTarget = FindTarget(pPlayer);
if (!pTarget)
return;
barrelEnd = BarrelPosition();
targetPosition = pTarget->v.origin + pTarget->v.view_ofs;
float range = (targetPosition - barrelEnd).Length();
if (!InRange(range))
return;
UTIL_TraceLine(barrelEnd, targetPosition, dont_ignore_monsters, edict(), &tr);
lineOfSight = FALSE;
if (tr.flFraction == 1 || tr.pHit == pTarget)
{
lineOfSight = TRUE;
CBaseEntity *pInstance = CBaseEntity::Instance(pTarget);
if (InRange(range) && pInstance && pInstance->IsAlive())
{
updateTime = TRUE;
m_sightOrigin = UpdateTargetPosition(pInstance);
}
}
direction = m_sightOrigin - pev->origin;
angles = UTIL_VecToAngles(direction);
AdjustAnglesForBarrel(angles, direction.Length());
}
angles.x = -angles.x;
angles.y = m_yawCenter + UTIL_AngleDistance(angles.y, m_yawCenter);
angles.x = m_pitchCenter + UTIL_AngleDistance(angles.x, m_pitchCenter);
if (angles.y > m_yawCenter + m_yawRange)
{
angles.y = m_yawCenter + m_yawRange;
updateTime = FALSE;
}
else if (angles.y < (m_yawCenter - m_yawRange))
{
angles.y = (m_yawCenter - m_yawRange);
updateTime = FALSE;
}
if (updateTime)
m_lastSightTime = gpGlobals->time;
float distY = UTIL_AngleDistance(angles.y, pev->angles.y);
pev->avelocity.y = distY * 10;
if (pev->avelocity.y > m_yawRate)
pev->avelocity.y = m_yawRate;
else if (pev->avelocity.y < -m_yawRate)
pev->avelocity.y = -m_yawRate;
if (angles.x > m_pitchCenter + m_pitchRange)
angles.x = m_pitchCenter + m_pitchRange;
else if (angles.x < m_pitchCenter - m_pitchRange)
angles.x = m_pitchCenter - m_pitchRange;
float distX = UTIL_AngleDistance(angles.x, pev->angles.x);
pev->avelocity.x = distX * 10;
if (pev->avelocity.x > m_pitchRate)
pev->avelocity.x = m_pitchRate;
else if (pev->avelocity.x < -m_pitchRate)
pev->avelocity.x = -m_pitchRate;
if (m_pController)
return;
if (CanFire() && ((fabs(distX) < m_pitchTolerance && fabs(distY) < m_yawTolerance) || (pev->spawnflags & SF_TANK_LINEOFSIGHT)))
{
BOOL fire = FALSE;
Vector forward;
UTIL_MakeVectorsPrivate(pev->angles, forward, NULL, NULL);
if (pev->spawnflags & SF_TANK_LINEOFSIGHT)
{
float length = direction.Length();
UTIL_TraceLine(barrelEnd, barrelEnd + forward * length, dont_ignore_monsters, edict(), &tr);
if (tr.pHit == pTarget)
fire = TRUE;
}
else
fire = TRUE;
if (fire)
Fire(BarrelPosition(), forward, pev);
else
m_fireLast = 0;
}
else
m_fireLast = 0;
}
