void CFuncVehicle::UpdateSound()
{
if (!pev->noise)
return;
#ifdef REGAMEDLL_FIXES
float flpitch = VEHICLE_STARTPITCH + (Q_abs(pev->speed) * (VEHICLE_MAXPITCH - VEHICLE_STARTPITCH) / VEHICLE_MAXSPEED);
#else
float flpitch = VEHICLE_STARTPITCH + (Q_abs(int(pev->speed)) * (VEHICLE_MAXPITCH - VEHICLE_STARTPITCH) / VEHICLE_MAXSPEED);
#endif
if (flpitch > 200)
flpitch = 200;
if (!m_soundPlaying)
{
if (m_sounds < 5)
{
EMIT_SOUND_DYN(ENT(pev), CHAN_ITEM, "plats/vehicle_brake1.wav", m_flVolume, ATTN_NORM, 0, 100);
}
EMIT_SOUND_DYN(ENT(pev), CHAN_STATIC, (char *)STRING(pev->noise), m_flVolume, ATTN_NORM, 0, int(flpitch));
m_soundPlaying = 1;
}
else
{
unsigned short us_sound = ((unsigned short)(m_sounds) & 0x0007) << 12;
unsigned short us_pitch = ((unsigned short)(flpitch / 10.0) & 0x003F) << 6;
unsigned short us_volume = ((unsigned short)(m_flVolume * 40) & 0x003F);
unsigned short us_encode = us_sound | us_pitch | us_volume;
PLAYBACK_EVENT_FULL(FEV_UPDATE, edict(), m_usAdjustPitch, 0.0, (float *)&g_vecZero, (float *)&g_vecZero, 0.0, 0.0, us_encode, 0, 0, 0);
}
}
// Return node at given position
// TODO: Need a hash table to make this lookup fast
const CNavNode *CNavNode::GetNode(const Vector *pos)
{
const float tolerance = 0.45f * GenerationStepSize;
for (const CNavNode *node = m_list; node; node = node->m_next)
{
float dx = Q_abs(node->m_pos.x - pos->x);
float dy = Q_abs(node->m_pos.y - pos->y);
float dz = Q_abs(node->m_pos.z - pos->z);
if (dx < tolerance && dy < tolerance && dz < tolerance)
return node;
}
return nullptr;
}
void CFuncVehicle::Blocked(CBaseEntity *pOther)
{
entvars_t *pevOther = pOther->pev;
if ((pevOther->flags & FL_ONGROUND) && VARS(pevOther->groundentity) == pev)
{
pevOther->velocity = pev->velocity;
return;
}
pevOther->velocity = (pevOther->origin - pev->origin).Normalize() * pev->dmg;
pevOther->velocity.z += 300;
pev->velocity = pev->velocity * 0.85;
ALERT(at_aiconsole, "TRAIN(%s): Blocked by %s (dmg:%.2f)\n", STRING(pev->targetname), STRING(pOther->pev->classname), pev->dmg);
UTIL_MakeVectors(pev->angles);
Vector forward, right, vOrigin;
Vector vFrontLeft = (gpGlobals->v_forward * -1) * (m_length * 0.5);
Vector vFrontRight = (gpGlobals->v_right * -1) * (m_width * 0.5);
Vector vBackLeft = pev->origin + vFrontLeft - vFrontRight;
Vector vBackRight = pev->origin - vFrontLeft + vFrontRight;
float minx = Q_min(vBackLeft.x, vBackRight.x);
float miny = Q_min(vBackLeft.y, vBackRight.y);
float maxx = Q_max(vBackLeft.x, vBackRight.x);
float maxy = Q_max(vBackLeft.y, vBackRight.y);
float minz = pev->origin.z;
#ifdef REGAMEDLL_FIXES
float maxz = pev->origin.z + (2 * Q_abs(pev->mins.z - pev->maxs.z));
#else
float maxz = pev->origin.z + (2 * Q_abs(int(pev->mins.z - pev->maxs.z)));
#endif
if (pOther->pev->origin.x < minx
|| pOther->pev->origin.x > maxx
|| pOther->pev->origin.y < miny
|| pOther->pev->origin.y > maxy
|| pOther->pev->origin.z < pev->origin.z
|| pOther->pev->origin.z > maxz)
{
pOther->TakeDamage(pev, pev, 150, DMG_CRUSH);
}
}
// Update the "looking around" behavior.
void CCSBot::UpdateLookAround(bool updateNow)
{
// check if looking around has been inhibited
// Moved inhibit to allow high priority enemy lookats to still occur
if (gpGlobals->time < m_inhibitLookAroundTimestamp)
return;
const float recentThreatTime = 0.25f; // 1.0f;
// Unless we can hear them moving, in which case look towards the noise
if (!IsEnemyVisible())
{
const float noiseStartleRange = 1000.0f;
if (CanHearNearbyEnemyGunfire(noiseStartleRange))
{
Vector spot = m_noisePosition;
spot.z += HalfHumanHeight;
SetLookAt("Check dangerous noise", &spot, PRIORITY_HIGH, recentThreatTime);
InhibitLookAround(RANDOM_FLOAT(2.0f, 4.0f));
return;
}
}
// If we recently saw an enemy, look towards where we last saw them
if (!IsLookingAtSpot(PRIORITY_MEDIUM) && gpGlobals->time - m_lastSawEnemyTimestamp < recentThreatTime)
{
ClearLookAt();
Vector spot = m_lastEnemyPosition;
// find enemy position on the ground
if (GetSimpleGroundHeight(&m_lastEnemyPosition, &spot.z))
{
spot.z += HalfHumanHeight;
SetLookAt("Last Enemy Position", &spot, PRIORITY_MEDIUM, RANDOM_FLOAT(2.0f, 3.0f), true);
return;
}
}
// Look at nearby enemy noises
if (UpdateLookAtNoise())
return;
if (IsNotMoving())
{
// if we're sniping, zoom in to watch our approach points
if (IsUsingSniperRifle())
{
// low skill bots don't pre-zoom
if (GetProfile()->GetSkill() > 0.4f)
{
if (!IsViewMoving())
{
float range = ComputeWeaponSightRange();
AdjustZoom(range);
}
else
{
// zoom out
if (GetZoomLevel() != NO_ZOOM)
SecondaryAttack();
}
}
}
if (m_lastKnownArea == NULL)
return;
if (gpGlobals->time < m_lookAroundStateTimestamp)
return;
// if we're sniping, switch look-at spots less often
if (IsUsingSniperRifle())
m_lookAroundStateTimestamp = gpGlobals->time + RANDOM_FLOAT(5.0f, 10.0f);
else
m_lookAroundStateTimestamp = gpGlobals->time + RANDOM_FLOAT(1.0f, 2.0f);
if (m_approachPointCount == 0)
{
ClearLookAt();
return;
}
int which = RANDOM_LONG(0, m_approachPointCount - 1);
Vector spot = m_approachPoint[ which ];
// don't look at the floor, look roughly at chest level
// TODO: If this approach point is very near, this will cause us to aim up in the air if were crouching
spot.z += HalfHumanHeight;
SetLookAt("Approach Point (Hiding)", &spot, PRIORITY_LOW);
return;
}
// Glance at "encouter spots" as we move past them
if (m_spotEncounter)
{
// Check encounter spots
if (!IsSafe() && !IsLookingAtSpot(PRIORITY_LOW))
{
// allow a short time to look where we're going
if (gpGlobals->time < m_spotCheckTimestamp)
return;
// TODO: Use skill parameter instead of accuracy
// lower skills have exponentially longer delays
float_precision asleep = (1.0f - GetProfile()->GetSkill());
asleep *= asleep;
asleep *= asleep;
m_spotCheckTimestamp = gpGlobals->time + asleep * RANDOM_FLOAT(10.0f, 30.0f);
// figure out how far along the path segment we are
Vector delta = m_spotEncounter->path.to - m_spotEncounter->path.from;
float_precision length = delta.Length();
float adx = float(Q_abs(int64(delta.x)));
float ady = float(Q_abs(int64(delta.y)));
float_precision t;
if (adx > ady)
t = (pev->origin.x - m_spotEncounter->path.from.x) / delta.x;
else
t = (pev->origin.y - m_spotEncounter->path.from.y) / delta.y;
// advance parameter a bit so we "lead" our checks
const float leadCheckRange = 50.0f;
t += leadCheckRange / length;
if (t < 0.0f)
t = 0.0f;
else if (t > 1.0f)
t = 1.0f;
// collect the unchecked spots so far
const int MAX_DANGER_SPOTS = 8;
HidingSpot *dangerSpot[MAX_DANGER_SPOTS];
int dangerSpotCount = 0;
int dangerIndex = 0;
const float checkTime = 10.0f;
const SpotOrder *spotOrder;
for (SpotOrderList::iterator iter = m_spotEncounter->spotList.begin(); iter != m_spotEncounter->spotList.end(); ++iter)
{
spotOrder = &(*iter);
// if we have seen this spot recently, we don't need to look at it
if (gpGlobals->time - GetHidingSpotCheckTimestamp(spotOrder->spot) <= checkTime)
continue;
if (spotOrder->t > t)
break;
dangerSpot[ dangerIndex++ ] = spotOrder->spot;
if (dangerIndex >= MAX_DANGER_SPOTS)
dangerIndex = 0;
if (dangerSpotCount < MAX_DANGER_SPOTS)
++dangerSpotCount;
}
if (dangerSpotCount)
{
// pick one of the spots at random
int which = RANDOM_LONG(0, dangerSpotCount - 1);
const Vector *checkSpot = dangerSpot[ which ]->GetPosition();
Vector pos = *checkSpot;
pos.z += HalfHumanHeight;
// glance at the spot for minimum time
SetLookAt("Encounter Spot", &pos, PRIORITY_LOW, 0, true, 10.0f);
// immediately mark it as "checked", so we don't check it again
// if we get distracted before we check it - that's the way it goes
SetHidingSpotCheckTimestamp(dangerSpot[which]);
}
}
}
}
// Navigate our current ladder. Return true if we are doing ladder navigation.
// TODO: Need Push() and Pop() for run/walk context to keep ladder speed contained.
bool CCSBot::UpdateLadderMovement()
{
if (!m_pathLadder)
return false;
bool giveUp = false;
// check for timeout
const float ladderTimeoutDuration = 10.0f;
if (gpGlobals->time - m_pathLadderTimestamp > ladderTimeoutDuration)
{
PrintIfWatched("Ladder timeout!\n");
giveUp = true;
}
else if (m_pathLadderState == APPROACH_ASCENDING_LADDER
|| m_pathLadderState == APPROACH_DESCENDING_LADDER
|| m_pathLadderState == ASCEND_LADDER
|| m_pathLadderState == DESCEND_LADDER
|| m_pathLadderState == DISMOUNT_ASCENDING_LADDER
|| m_pathLadderState == MOVE_TO_DESTINATION)
{
if (m_isStuck)
{
PrintIfWatched("Giving up ladder - stuck\n");
giveUp = true;
}
}
if (giveUp)
{
// jump off ladder and give up
Jump(MUST_JUMP);
Wiggle();
ResetStuckMonitor();
DestroyPath();
Run();
return false;
}
ResetStuckMonitor();
// check if somehow we totally missed the ladder
switch (m_pathLadderState)
{
case MOUNT_ASCENDING_LADDER:
case MOUNT_DESCENDING_LADDER:
case ASCEND_LADDER:
case DESCEND_LADDER:
{
const float farAway = 200.0f;
Vector2D d = (m_pathLadder->m_top - pev->origin).Make2D();
if (d.IsLengthGreaterThan(farAway))
{
PrintIfWatched("Missed ladder\n");
Jump(MUST_JUMP);
DestroyPath();
Run();
return false;
}
break;
}
}
m_areaEnteredTimestamp = gpGlobals->time;
const float tolerance = 10.0f;
const float closeToGoal = 25.0f;
switch (m_pathLadderState)
{
case APPROACH_ASCENDING_LADDER:
{
bool approached = false;
Vector2D d(pev->origin.x - m_goalPosition.x, pev->origin.y - m_goalPosition.y);
if (d.x * m_pathLadder->m_dirVector.x + d.y * m_pathLadder->m_dirVector.y < 0.0f)
{
Vector2D perp(-m_pathLadder->m_dirVector.y, m_pathLadder->m_dirVector.x);
#ifdef REGAMEDLL_FIXES
if (Q_abs(d.x * perp.x + d.y * perp.y) < tolerance && d.Length() < closeToGoal)
#else
if (Q_abs(int64(d.x * perp.x + d.y * perp.y)) < tolerance && d.Length() < closeToGoal)
#endif
approached = true;
}
// small radius will just slow them down a little for more accuracy in hitting their spot
const float walkRange = 50.0f;
if (d.IsLengthLessThan(walkRange))
{
Walk();
StandUp();
}
// TODO: Check that we are on the ladder we think we are
if (IsOnLadder())
{
m_pathLadderState = ASCEND_LADDER;
PrintIfWatched("ASCEND_LADDER\n");
// find actual top in case m_pathLadder penetrates the ceiling
ComputeLadderEndpoint(true);
}
else if (approached)
{
// face the m_pathLadder
m_pathLadderState = FACE_ASCENDING_LADDER;
PrintIfWatched("FACE_ASCENDING_LADDER\n");
}
else
{
// move toward ladder mount point
MoveTowardsPosition(&m_goalPosition);
}
break;
}
case APPROACH_DESCENDING_LADDER:
{
// fall check
if (GetFeetZ() <= m_pathLadder->m_bottom.z + HalfHumanHeight)
{
PrintIfWatched("Fell from ladder.\n");
m_pathLadderState = MOVE_TO_DESTINATION;
m_path[m_pathIndex].area->GetClosestPointOnArea(&m_pathLadder->m_bottom, &m_goalPosition);
AddDirectionVector(&m_goalPosition, m_pathLadder->m_dir, HalfHumanWidth);
PrintIfWatched("MOVE_TO_DESTINATION\n");
}
else
{
bool approached = false;
Vector2D d(pev->origin.x - m_goalPosition.x, pev->origin.y - m_goalPosition.y);
if (d.x * m_pathLadder->m_dirVector.x + d.y * m_pathLadder->m_dirVector.y > 0.0f)
{
Vector2D perp(-m_pathLadder->m_dirVector.y, m_pathLadder->m_dirVector.x);
if (Q_abs(int64(d.x * perp.x + d.y * perp.y)) < tolerance && d.Length() < closeToGoal)
approached = true;
}
// if approaching ladder from the side or "ahead", walk
if (m_pathLadder->m_topBehindArea != m_lastKnownArea)
{
const float walkRange = 150.0f;
if (!IsCrouching() && d.IsLengthLessThan(walkRange))
Walk();
}
// TODO: Check that we are on the ladder we think we are
if (IsOnLadder())
{
// we slipped onto the ladder - climb it
m_pathLadderState = DESCEND_LADDER;
Run();
PrintIfWatched("DESCEND_LADDER\n");
// find actual bottom in case m_pathLadder penetrates the floor
ComputeLadderEndpoint(false);
}
else if (approached)
{
// face the ladder
m_pathLadderState = FACE_DESCENDING_LADDER;
PrintIfWatched("FACE_DESCENDING_LADDER\n");
}
else
{
// move toward ladder mount point
MoveTowardsPosition(&m_goalPosition);
}
}
break;
}
case FACE_ASCENDING_LADDER:
{
// find yaw to directly aim at ladder
Vector to = m_pathLadder->m_bottom - pev->origin;
Vector idealAngle = UTIL_VecToAngles(to);
const float angleTolerance = 5.0f;
if (AnglesAreEqual(pev->v_angle.y, idealAngle.y, angleTolerance))
{
// move toward ladder until we become "on" it
Run();
ResetStuckMonitor();
m_pathLadderState = MOUNT_ASCENDING_LADDER;
PrintIfWatched("MOUNT_ASCENDING_LADDER\n");
}
break;
}
case FACE_DESCENDING_LADDER:
{
// find yaw to directly aim at ladder
Vector to = m_pathLadder->m_top - pev->origin;
Vector idealAngle = UTIL_VecToAngles(to);
const float angleTolerance = 5.0f;
if (AnglesAreEqual(pev->v_angle.y, idealAngle.y, angleTolerance))
{
// move toward ladder until we become "on" it
m_pathLadderState = MOUNT_DESCENDING_LADDER;
ResetStuckMonitor();
PrintIfWatched("MOUNT_DESCENDING_LADDER\n");
}
break;
}
case MOUNT_ASCENDING_LADDER:
{
if (IsOnLadder())
{
m_pathLadderState = ASCEND_LADDER;
PrintIfWatched("ASCEND_LADDER\n");
// find actual top in case m_pathLadder penetrates the ceiling
ComputeLadderEndpoint(true);
}
MoveForward();
break;
}
case MOUNT_DESCENDING_LADDER:
{
// fall check
if (GetFeetZ() <= m_pathLadder->m_bottom.z + HalfHumanHeight)
{
PrintIfWatched("Fell from ladder.\n");
m_pathLadderState = MOVE_TO_DESTINATION;
m_path[m_pathIndex].area->GetClosestPointOnArea(&m_pathLadder->m_bottom, &m_goalPosition);
AddDirectionVector(&m_goalPosition, m_pathLadder->m_dir, HalfHumanWidth);
PrintIfWatched("MOVE_TO_DESTINATION\n");
}
else
{
if (IsOnLadder())
{
m_pathLadderState = DESCEND_LADDER;
PrintIfWatched("DESCEND_LADDER\n");
// find actual bottom in case m_pathLadder penetrates the floor
ComputeLadderEndpoint(false);
}
// move toward ladder mount point
MoveForward();
}
break;
}
case ASCEND_LADDER:
{
// run, so we can make our dismount jump to the side, if necessary
Run();
// if our destination area requires us to crouch, do it
if (m_path[m_pathIndex].area->GetAttributes() & NAV_CROUCH)
Crouch();
// did we reach the top?
if (GetFeetZ() >= m_pathLadderEnd)
{
// we reached the top - dismount
m_pathLadderState = DISMOUNT_ASCENDING_LADDER;
PrintIfWatched("DISMOUNT_ASCENDING_LADDER\n");
if (m_path[m_pathIndex].area == m_pathLadder->m_topForwardArea)
m_pathLadderDismountDir = FORWARD;
else if (m_path[m_pathIndex].area == m_pathLadder->m_topLeftArea)
m_pathLadderDismountDir = LEFT;
else if (m_path[m_pathIndex].area == m_pathLadder->m_topRightArea)
m_pathLadderDismountDir = RIGHT;
m_pathLadderDismountTimestamp = gpGlobals->time;
}
else if (!IsOnLadder())
{
// we fall off the ladder, repath
DestroyPath();
return false;
}
// move up ladder
MoveForward();
break;
}
case DESCEND_LADDER:
{
Run();
float destHeight = m_pathLadderEnd + HalfHumanHeight;
if (!IsOnLadder() || GetFeetZ() <= destHeight)
{
// we reached the bottom, or we fell off - dismount
m_pathLadderState = MOVE_TO_DESTINATION;
m_path[m_pathIndex].area->GetClosestPointOnArea(&m_pathLadder->m_bottom, &m_goalPosition);
AddDirectionVector(&m_goalPosition, m_pathLadder->m_dir, HalfHumanWidth);
PrintIfWatched("MOVE_TO_DESTINATION\n");
}
// Move down ladder
MoveForward();
break;
}
case DISMOUNT_ASCENDING_LADDER:
{
if (gpGlobals->time - m_pathLadderDismountTimestamp >= 0.4f)
{
m_pathLadderState = MOVE_TO_DESTINATION;
m_path[m_pathIndex].area->GetClosestPointOnArea(&pev->origin, &m_goalPosition);
PrintIfWatched("MOVE_TO_DESTINATION\n");
}
// We should already be facing the dismount point
if (m_pathLadderFaceIn)
{
switch (m_pathLadderDismountDir)
{
case LEFT: StrafeLeft(); break;
case RIGHT: StrafeRight(); break;
case FORWARD: MoveForward(); break;
}
}
else
{
switch (m_pathLadderDismountDir)
{
case LEFT: StrafeRight(); break;
case RIGHT: StrafeLeft(); break;
case FORWARD: MoveBackward(); break;
}
}
break;
}
case MOVE_TO_DESTINATION:
{
if (m_path[m_pathIndex].area->Contains(&pev->origin))
{
// successfully traversed ladder and reached destination area
// exit ladder state machine
PrintIfWatched("Ladder traversed.\n");
m_pathLadder = nullptr;
// incrememnt path index to next step beyond this ladder
SetPathIndex(m_pathIndex + 1);
return false;
}
MoveTowardsPosition(&m_goalPosition);
break;
}
}
return true;
}
void CFuncVehicle::CheckTurning()
{
real_t maxspeed;
TraceResult tr;
bool bTurnIntoWall = false;
if (m_iTurnAngle < 0)
{
if (pev->speed > 0)
{
UTIL_TraceLine(m_vFrontRight, m_vFrontRight - (gpGlobals->v_right * 16.0), ignore_monsters, dont_ignore_glass, ENT(pev), &tr);
}
else if (pev->speed < 0)
{
UTIL_TraceLine(m_vBackLeft, m_vBackLeft + (gpGlobals->v_right * 16.0), ignore_monsters, dont_ignore_glass, ENT(pev), &tr);
}
if (tr.flFraction != 1.0f)
{
m_iTurnAngle = 1;
}
}
else if (m_iTurnAngle > 0)
{
if (pev->speed > 0)
{
UTIL_TraceLine(m_vFrontLeft, m_vFrontLeft + (gpGlobals->v_right * 16.0), ignore_monsters, dont_ignore_glass, ENT(pev), &tr);
}
else if (pev->speed < 0)
{
UTIL_TraceLine(m_vBackRight, m_vBackRight - (gpGlobals->v_right * 16.0), ignore_monsters, dont_ignore_glass, ENT(pev), &tr);
}
if (tr.flFraction != 1.0f)
{
m_iTurnAngle = -1;
}
}
if (pev->speed > 0)
{
int iCountTurn = Q_abs(m_iTurnAngle);
if (iCountTurn > 4)
{
if (m_flTurnStartTime != -1)
{
float flTurnTime = gpGlobals->time - m_flTurnStartTime;
if (flTurnTime >= 0) maxspeed = m_speed * 0.98;
else if (flTurnTime > 0.3) maxspeed = m_speed * 0.95;
else if (flTurnTime > 0.6) maxspeed = m_speed * 0.9;
else if (flTurnTime > 0.8) maxspeed = m_speed * 0.8;
else if (flTurnTime > 1) maxspeed = m_speed * 0.7;
else if (flTurnTime > 1.2) maxspeed = m_speed * 0.5;
else maxspeed = flTurnTime;
}
else
{
m_flTurnStartTime = gpGlobals->time;
maxspeed = m_speed;
}
}
else
{
m_flTurnStartTime = -1;
if (iCountTurn > 2)
maxspeed = m_speed * 0.9;
else
maxspeed = m_speed;
}
if (maxspeed < pev->speed)
{
pev->speed -= m_speed * 0.1;
}
}
}
