void CCSBot::ResetStuckMonitor()
{
if (m_isStuck)
{
if (IsLocalPlayerWatchingMe() && cv_bot_debug.value > 0.0f)
{
EMIT_SOUND(edict(), CHAN_ITEM, "buttons/bell1.wav", VOL_NORM, ATTN_NORM);
}
}
m_isStuck = false;
m_stuckTimestamp = 0.0f;
m_stuckJumpTimestamp = 0.0f;
m_avgVelIndex = 0;
m_avgVelCount = 0;
m_areaEnteredTimestamp = gpGlobals->time;
}
void CCSBot::__MAKE_VHOOK(OnEvent)(GameEventType event, CBaseEntity *entity, CBaseEntity *other)
{
GetGameState()->OnEvent(event, entity, other);
GetChatter()->OnEvent(event, entity, other);
// Morale adjustments happen even for dead players
switch (event)
{
case EVENT_TERRORISTS_WIN:
if (m_iTeam == CT)
{
DecreaseMorale();
}
else
{
IncreaseMorale();
}
break;
case EVENT_CTS_WIN:
if (m_iTeam == CT)
{
IncreaseMorale();
}
else
{
DecreaseMorale();
}
break;
}
if (!IsAlive())
return;
CBasePlayer *player = static_cast<CBasePlayer *>(entity);
// If we just saw a nearby friend die, and we haven't yet acquired an enemy
// automatically acquire our dead friend's killer
if (!IsAttacking() && (GetDisposition() == ENGAGE_AND_INVESTIGATE || GetDisposition() == OPPORTUNITY_FIRE))
{
if (event == EVENT_PLAYER_DIED)
{
if (BotRelationship(player) == BOT_TEAMMATE)
{
CBasePlayer *killer = static_cast<CBasePlayer *>(other);
// check that attacker is an enemy (for friendly fire, etc)
if (killer != NULL && killer->IsPlayer())
{
// check if we saw our friend die - dont check FOV - assume we're aware of our surroundings in combat
// snipers stay put
if (!IsSniper() && IsVisible(&player->pev->origin))
{
// people are dying - we should hurry
Hurry(RANDOM_FLOAT(10.0f, 15.0f));
// if we're hiding with only our knife, be a little more cautious
const float knifeAmbushChance = 50.0f;
if (!IsHiding() || !IsUsingKnife() || RANDOM_FLOAT(0, 100) < knifeAmbushChance)
{
PrintIfWatched("Attacking our friend's killer!\n");
Attack(killer);
return;
}
}
}
}
}
}
switch (event)
{
case EVENT_PLAYER_DIED:
{
CBasePlayer *victim = player;
CBasePlayer *killer = (other != NULL && other->IsPlayer()) ? static_cast<CBasePlayer *>(other) : NULL;
// if the human player died in the single player game, tell the team
if (CSGameRules()->IsCareer() && !victim->IsBot() && BotRelationship(victim) == BOT_TEAMMATE)
{
GetChatter()->Say("CommanderDown", 20.0f);
}
// keep track of the last player we killed
if (killer == this)
{
m_lastVictimID = victim->entindex();
}
// react to teammate death
if (BotRelationship(victim) == BOT_TEAMMATE)
{
// chastise friendly fire from humans
if (killer != NULL && !killer->IsBot() && BotRelationship(killer) == BOT_TEAMMATE && killer != this)
{
GetChatter()->KilledFriend();
}
if (IsHunting())
{
PrintIfWatched("Rethinking hunt due to teammate death\n");
Idle();
return;
}
if (IsAttacking())
{
if (GetTimeSinceLastSawEnemy() > 0.4f)
{
PrintIfWatched("Rethinking my attack due to teammate death\n");
// allow us to sneak past windows, doors, etc
IgnoreEnemies(1.0f);
// move to last known position of enemy - this could cause us to flank if
// the danger has changed due to our teammate's recent death
SetTask(MOVE_TO_LAST_KNOWN_ENEMY_POSITION, GetEnemy());
MoveTo(&GetLastKnownEnemyPosition());
return;
}
}
}
// an enemy was killed
else
{
if (killer != NULL && BotRelationship(killer) == BOT_TEAMMATE)
{
// only chatter about enemy kills if we see them occur, and they were the last one we see
if (GetNearbyEnemyCount() <= 1)
{
// report if number of enemies left is few and we killed the last one we saw locally
GetChatter()->EnemiesRemaining();
if (IsVisible(&victim->pev->origin, CHECK_FOV))
{
// congratulate teammates on their kills
if (killer != this)
{
float delay = RANDOM_FLOAT(2.0f, 3.0f);
if (killer->IsBot())
{
if (RANDOM_FLOAT(0.0f, 100.0f) < 40.0f)
GetChatter()->Say("NiceShot", 3.0f, delay);
}
else
{
// humans get the honorific
if (CSGameRules()->IsCareer())
GetChatter()->Say("NiceShotCommander", 3.0f, delay);
else
GetChatter()->Say("NiceShotSir", 3.0f, delay);
}
}
}
}
}
}
return;
}
case EVENT_TERRORISTS_WIN:
if (m_iTeam == TERRORIST)
GetChatter()->CelebrateWin();
return;
case EVENT_CTS_WIN:
if (m_iTeam == CT)
GetChatter()->CelebrateWin();
return;
case EVENT_BOMB_DEFUSED:
if (m_iTeam == CT && TheCSBots()->GetBombTimeLeft() < 2.0)
GetChatter()->Say("BarelyDefused");
return;
case EVENT_BOMB_PICKED_UP:
{
if (m_iTeam == CT && player != NULL)
{
// check if we're close enough to hear it
const float bombPickupHearRangeSq = 1000.0f * 1000.0f;
if ((pev->origin - player->pev->origin).LengthSquared() < bombPickupHearRangeSq)
{
GetChatter()->TheyPickedUpTheBomb();
}
}
return;
}
case EVENT_BOMB_BEEP:
{
// if we don't know where the bomb is, but heard it beep, we've discovered it
if (GetGameState()->IsPlantedBombLocationKnown() == false)
{
// check if we're close enough to hear it
const float bombBeepHearRangeSq = 1000.0f * 1000.0f;
if ((pev->origin - entity->pev->origin).LengthSquared() < bombBeepHearRangeSq)
{
// radio the news to our team
if (m_iTeam == CT && GetGameState()->GetPlantedBombsite() == CSGameState::UNKNOWN)
{
const CCSBotManager::Zone *zone = TheCSBots()->GetZone(&entity->pev->origin);
if (zone != NULL)
GetChatter()->FoundPlantedBomb(zone->m_index);
}
// remember where the bomb is
GetGameState()->UpdatePlantedBomb(&entity->pev->origin);
}
}
return;
}
case EVENT_BOMB_PLANTED:
{
// if we're a CT, forget what we're doing and go after the bomb
if (m_iTeam == CT)
{
Idle();
}
// if we are following someone, stop following
if (IsFollowing())
{
StopFollowing();
Idle();
}
OnEvent(EVENT_BOMB_BEEP, other);
return;
}
case EVENT_BOMB_DEFUSE_ABORTED:
PrintIfWatched("BOMB DEFUSE ABORTED\n");
return;
case EVENT_WEAPON_FIRED:
case EVENT_WEAPON_FIRED_ON_EMPTY:
case EVENT_WEAPON_RELOADED:
{
if (m_enemy == entity && IsUsingKnife())
ForceRun(5.0f);
break;
}
default:
break;
}
// Process radio events from our team
if (player != NULL && BotRelationship(player) == BOT_TEAMMATE && event > EVENT_START_RADIO_1 && event < EVENT_END_RADIO)
{
// TODO: Distinguish between radio commands and responses
if (event != EVENT_RADIO_AFFIRMATIVE && event != EVENT_RADIO_NEGATIVE && event != EVENT_RADIO_REPORTING_IN)
{
m_lastRadioCommand = event;
m_lastRadioRecievedTimestamp = gpGlobals->time;
m_radioSubject = player;
m_radioPosition = player->pev->origin;
}
}
// player_follows needs a player
if (player == NULL)
return;
if (!IsRogue() && event == EVENT_HOSTAGE_CALLED_FOR_HELP && m_iTeam == CT && IsHunting())
{
if ((entity->pev->origin - pev->origin).IsLengthGreaterThan(1000.0f))
return;
if (IsVisible(&entity->Center()))
{
m_task = COLLECT_HOSTAGES;
m_taskEntity = NULL;
Run();
m_goalEntity = entity;
MoveTo(&entity->pev->origin, m_hostageEscortCount == 0 ? SAFEST_ROUTE : FASTEST_ROUTE);
PrintIfWatched("I'm fetching a hostage that called out to me\n");
return;
}
}
// don't pay attention to noise that friends make
if (!IsEnemy(player))
return;
float range;
PriorityType priority;
bool isHostile;
if (IsGameEventAudible(event, entity, other, &range, &priority, &isHostile) == false)
return;
if (event == EVENT_HOSTAGE_USED)
{
if (m_iTeam == CT)
return;
if ((entity->pev->origin - pev->origin).IsLengthGreaterThan(range))
return;
GetChatter()->HostagesBeingTaken();
if (!GetGameState()->GetNearestVisibleFreeHostage() && m_task != GUARD_HOSTAGE_RESCUE_ZONE && GuardRandomZone())
{
m_task = GUARD_HOSTAGE_RESCUE_ZONE;
m_taskEntity = NULL;
SetDisposition(OPPORTUNITY_FIRE);
PrintIfWatched("Trying to beat them to an escape zone!\n");
}
}
// check if noise is close enough for us to hear
const Vector *newNoisePosition = &player->pev->origin;
float newNoiseDist = (pev->origin - *newNoisePosition).Length();
if (newNoiseDist < range)
{
// we heard the sound
if ((IsLocalPlayerWatchingMe() && cv_bot_debug.value == 3.0f) || cv_bot_debug.value == 4.0f)
{
PrintIfWatched("Heard noise (%s from %s, pri %s, time %3.1f)\n",
(event == EVENT_WEAPON_FIRED) ? "Weapon fire " : "",
STRING(player->pev->netname),
(priority == PRIORITY_HIGH) ? "HIGH" : ((priority == PRIORITY_MEDIUM) ? "MEDIUM" : "LOW"),
gpGlobals->time);
}
if (event == EVENT_PLAYER_FOOTSTEP && IsUsingSniperRifle() && newNoiseDist < 300.0)
EquipPistol();
// should we pay attention to it
// if noise timestamp is zero, there is no prior noise
if (m_noiseTimestamp > 0.0f)
{
// only overwrite recent sound if we are louder (closer), or more important - if old noise was long ago, its faded
const float shortTermMemoryTime = 3.0f;
if (gpGlobals->time - m_noiseTimestamp < shortTermMemoryTime)
{
// prior noise is more important - ignore new one
if (priority < m_noisePriority)
return;
float oldNoiseDist = (pev->origin - m_noisePosition).Length();
if (newNoiseDist >= oldNoiseDist)
return;
}
}
// find the area in which the noise occured
// TODO: Better handle when noise occurs off the nav mesh
// TODO: Make sure noise area is not through a wall or ceiling from source of noise
// TODO: Change GetNavTravelTime to better deal with NULL destination areas
CNavArea *noiseArea = TheNavAreaGrid.GetNavArea(newNoisePosition);
if (noiseArea == NULL)
noiseArea = TheNavAreaGrid.GetNearestNavArea(newNoisePosition);
if (noiseArea == NULL)
{
PrintIfWatched(" *** Noise occurred off the nav mesh - ignoring!\n");
return;
}
m_noiseArea = noiseArea;
// remember noise priority
m_noisePriority = priority;
// randomize noise position in the area a bit - hearing isn't very accurate
// the closer the noise is, the more accurate our placement
// TODO: Make sure not to pick a position on the opposite side of ourselves.
const float maxErrorRadius = 400.0f;
const float maxHearingRange = 2000.0f;
float errorRadius = maxErrorRadius * newNoiseDist / maxHearingRange;
m_noisePosition.x = newNoisePosition->x + RANDOM_FLOAT(-errorRadius, errorRadius);
m_noisePosition.y = newNoisePosition->y + RANDOM_FLOAT(-errorRadius, errorRadius);
// make sure noise position remains in the same area
m_noiseArea->GetClosestPointOnArea(&m_noisePosition, &m_noisePosition);
m_isNoiseTravelRangeChecked = false;
// note when we heard the noise
m_noiseTimestamp = gpGlobals->time;
}
}
// Move along the path. Return false if end of path reached.
CCSBot::PathResult CCSBot::UpdatePathMovement(bool allowSpeedChange)
{
if (m_pathLength == 0)
return PATH_FAILURE;
if (cv_bot_walk.value != 0.0f)
Walk();
// If we are navigating a ladder, it overrides all other path movement until complete
if (UpdateLadderMovement())
return PROGRESSING;
// ladder failure can destroy the path
if (m_pathLength == 0)
return PATH_FAILURE;
// we are not supposed to be on a ladder - if we are, jump off
if (IsOnLadder())
Jump(MUST_JUMP);
assert(m_pathIndex < m_pathLength);
// Check if reached the end of the path
bool nearEndOfPath = false;
if (m_pathIndex >= m_pathLength - 1)
{
Vector toEnd(pev->origin.x, pev->origin.y, GetFeetZ());
Vector d = GetPathEndpoint() - toEnd; // can't use 2D because path end may be below us (jump down)
const float walkRange = 200.0f;
// walk as we get close to the goal position to ensure we hit it
if (d.IsLengthLessThan(walkRange))
{
// don't walk if crouching - too slow
if (allowSpeedChange && !IsCrouching())
Walk();
// note if we are near the end of the path
const float nearEndRange = 50.0f;
if (d.IsLengthLessThan(nearEndRange))
nearEndOfPath = true;
const float closeEpsilon = 20.0f;
if (d.IsLengthLessThan(closeEpsilon))
{
// reached goal position - path complete
DestroyPath();
// TODO: We should push and pop walk state here, in case we want to continue walking after reaching goal
if (allowSpeedChange)
Run();
return END_OF_PATH;
}
}
}
// To keep us moving smoothly, we will move towards
// a point farther ahead of us down our path.
int prevIndex = 0; // closest index on path just prior to where we are now
const float aheadRange = 300.0f;
int newIndex = FindPathPoint(aheadRange, &m_goalPosition, &prevIndex);
// BOTPORT: Why is prevIndex sometimes -1?
if (prevIndex < 0)
prevIndex = 0;
// if goal position is near to us, we must be about to go around a corner - so look ahead!
const float nearCornerRange = 100.0f;
if (m_pathIndex < m_pathLength - 1 && (m_goalPosition - pev->origin).IsLengthLessThan(nearCornerRange))
{
ClearLookAt();
InhibitLookAround(0.5f);
}
// if we moved to a new node on the path, setup movement
if (newIndex > m_pathIndex)
{
SetPathIndex(newIndex);
}
if (!IsUsingLadder())
{
// Crouching
// if we are approaching a crouch area, crouch
// if there are no crouch areas coming up, stand
const float crouchRange = 50.0f;
bool didCrouch = false;
for (int i = prevIndex; i < m_pathLength; i++)
{
const CNavArea *to = m_path[i].area;
// if there is a jump area on the way to the crouch area, don't crouch as it messes up the jump
// unless we are already higher than the jump area - we must've jumped already but not moved into next area
if ((to->GetAttributes() & NAV_JUMP)/* && to->GetCenter()->z > GetFeetZ()*/)
break;
Vector close;
to->GetClosestPointOnArea(&pev->origin, &close);
if ((close - pev->origin).Make2D().IsLengthGreaterThan(crouchRange))
break;
if (to->GetAttributes() & NAV_CROUCH)
{
Crouch();
didCrouch = true;
break;
}
}
if (!didCrouch && !IsJumping())
{
// no crouch areas coming up
StandUp();
}
// end crouching logic
}
// compute our forward facing angle
m_forwardAngle = UTIL_VecToYaw(m_goalPosition - pev->origin);
// Look farther down the path to "lead" our view around corners
Vector toGoal;
if (m_pathIndex == 0)
{
toGoal = m_path[1].pos;
}
else if (m_pathIndex < m_pathLength)
{
toGoal = m_path[m_pathIndex].pos - pev->origin;
// actually aim our view farther down the path
const float lookAheadRange = 500.0f;
if (!m_path[m_pathIndex].ladder && !IsNearJump() && toGoal.Make2D().IsLengthLessThan(lookAheadRange))
{
float along = toGoal.Length2D();
int i;
for (i = m_pathIndex + 1; i < m_pathLength; i++)
{
Vector delta = m_path[i].pos - m_path[i - 1].pos;
float segmentLength = delta.Length2D();
if (along + segmentLength >= lookAheadRange)
{
// interpolate between points to keep look ahead point at fixed distance
float t = (lookAheadRange - along) / (segmentLength + along);
Vector target;
if (t <= 0.0f)
target = m_path[i - 1].pos;
else if (t >= 1.0f)
target = m_path[i].pos;
else
target = m_path[i - 1].pos + t * delta;
toGoal = target - pev->origin;
break;
}
// if we are coming up to a ladder or a jump, look at it
if (m_path[i].ladder || (m_path[i].area->GetAttributes() & NAV_JUMP))
{
toGoal = m_path[i].pos - pev->origin;
break;
}
along += segmentLength;
}
if (i == m_pathLength)
{
toGoal = GetPathEndpoint() - pev->origin;
}
}
}
else
{
toGoal = GetPathEndpoint() - pev->origin;
}
m_lookAheadAngle = UTIL_VecToYaw(toGoal);
// initialize "adjusted" goal to current goal
Vector adjustedGoal = m_goalPosition;
// Use short "feelers" to veer away from close-range obstacles
// Feelers come from our ankles, just above StepHeight, so we avoid short walls, too
// Don't use feelers if very near the end of the path, or about to jump
// TODO: Consider having feelers at several heights to deal with overhangs, etc.
if (!nearEndOfPath && !IsNearJump() && !IsJumping())
{
FeelerReflexAdjustment(&adjustedGoal);
}
// draw debug visualization
if ((cv_bot_traceview.value == 1.0f && IsLocalPlayerWatchingMe()) || cv_bot_traceview.value == 10.0f)
{
DrawPath();
const Vector *pos = &m_path[m_pathIndex].pos;
UTIL_DrawBeamPoints(*pos, *pos + Vector(0, 0, 50), 1, 255, 255, 0);
UTIL_DrawBeamPoints(adjustedGoal, adjustedGoal + Vector(0, 0, 50), 1, 255, 0, 255);
UTIL_DrawBeamPoints(pev->origin, adjustedGoal + Vector(0, 0, 50), 1, 255, 0, 255);
}
// dont use adjustedGoal, as it can vary wildly from the feeler adjustment
if (!IsAttacking() && IsFriendInTheWay(&m_goalPosition))
{
if (!m_isWaitingBehindFriend)
{
m_isWaitingBehindFriend = true;
const float politeDuration = 5.0f - 3.0f * GetProfile()->GetAggression();
m_politeTimer.Start(politeDuration);
}
else if (m_politeTimer.IsElapsed())
{
// we have run out of patience
m_isWaitingBehindFriend = false;
ResetStuckMonitor();
// repath to avoid clump of friends in the way
DestroyPath();
}
}
else if (m_isWaitingBehindFriend)
{
// we're done waiting for our friend to move
m_isWaitingBehindFriend = false;
ResetStuckMonitor();
}
// Move along our path if there are no friends blocking our way,
// or we have run out of patience
if (!m_isWaitingBehindFriend || m_politeTimer.IsElapsed())
{
// Move along path
MoveTowardsPosition(&adjustedGoal);
// Stuck check
if (m_isStuck && !IsJumping())
{
Wiggle();
}
}
// if our goal is high above us, we must have fallen
bool didFall = false;
if (m_goalPosition.z - GetFeetZ() > JumpCrouchHeight)
{
const float closeRange = 75.0f;
Vector2D to(pev->origin.x - m_goalPosition.x, pev->origin.y - m_goalPosition.y);
if (to.IsLengthLessThan(closeRange))
{
// we can't reach the goal position
// check if we can reach the next node, in case this was a "jump down" situation
if (m_pathIndex < m_pathLength - 1)
{
if (m_path[m_pathIndex + 1].pos.z - GetFeetZ() > JumpCrouchHeight)
{
// the next node is too high, too - we really did fall of the path
didFall = true;
}
}
else
{
// fell trying to get to the last node in the path
didFall = true;
}
}
}
// This timeout check is needed if the bot somehow slips way off
// of its path and cannot progress, but also moves around
// enough that it never becomes "stuck"
const float giveUpDuration = 5.0f; // 4.0f
if (didFall || gpGlobals->time - m_areaEnteredTimestamp > giveUpDuration)
{
if (didFall)
{
PrintIfWatched("I fell off!\n");
}
// if we havent made any progress in a long time, give up
if (m_pathIndex < m_pathLength - 1)
{
PrintIfWatched("Giving up trying to get to area #%d\n", m_path[m_pathIndex].area->GetID());
}
else
{
PrintIfWatched("Giving up trying to get to end of path\n");
}
Run();
StandUp();
DestroyPath();
return PATH_FAILURE;
}
return PROGRESSING;
}
void CCSBot::StuckCheck()
{
if (m_isStuck)
{
// we are stuck - see if we have moved far enough to be considered unstuck
Vector delta = pev->origin - m_stuckSpot;
const float unstuckRange = 75.0f;
if (delta.IsLengthGreaterThan(unstuckRange))
{
// we are no longer stuck
ResetStuckMonitor();
PrintIfWatched("UN-STUCK\n");
}
}
else
{
// check if we are stuck
// compute average velocity over a short period (for stuck check)
Vector vel = pev->origin - m_lastOrigin;
// if we are jumping, ignore Z
if (IsJumping())
vel.z = 0.0f;
// cannot be Length2D, or will break ladder movement (they are only Z)
float moveDist = vel.Length();
float deltaT = g_flBotFullThinkInterval;
m_avgVel[ m_avgVelIndex++ ] = moveDist / deltaT;
if (m_avgVelIndex == MAX_VEL_SAMPLES)
m_avgVelIndex = 0;
if (m_avgVelCount < MAX_VEL_SAMPLES)
{
m_avgVelCount++;
}
else
{
// we have enough samples to know if we're stuck
float avgVel = 0.0f;
for (int t = 0; t < m_avgVelCount; ++t)
avgVel += m_avgVel[t];
avgVel /= m_avgVelCount;
// cannot make this velocity too high, or bots will get "stuck" when going down ladders
float stuckVel = (IsUsingLadder()) ? 10.0f : 20.0f;
if (avgVel < stuckVel)
{
// we are stuck - note when and where we initially become stuck
m_stuckTimestamp = gpGlobals->time;
m_stuckSpot = pev->origin;
m_stuckJumpTimestamp = gpGlobals->time + RANDOM_FLOAT(0.0f, 0.5f);
PrintIfWatched("STUCK\n");
if (IsLocalPlayerWatchingMe() && cv_bot_debug.value > 0.0f)
{
EMIT_SOUND(ENT(pev), CHAN_ITEM, "buttons/button11.wav", VOL_NORM, ATTN_NORM);
}
m_isStuck = true;
}
}
}
// always need to track this
m_lastOrigin = pev->origin;
}
// Do reflex avoidance movements if our "feelers" are touched
void CCSBot::FeelerReflexAdjustment(Vector *goalPosition)
{
// if we are in a "precise" area, do not do feeler adjustments
if (m_lastKnownArea && (m_lastKnownArea->GetAttributes() & NAV_PRECISE))
return;
Vector dir(BotCOS(m_forwardAngle), BotSIN(m_forwardAngle), 0.0f);
Vector lat(-dir.y, dir.x, 0.0f);
const float feelerOffset = (IsCrouching()) ? 15.0f : 20.0f;
const float feelerLengthRun = 50.0f; // 100 - too long for tight hallways (cs_747)
const float feelerLengthWalk = 30.0f;
const float feelerHeight = StepHeight + 0.1f; // if obstacle is lower than StepHeight, we'll walk right over it
float feelerLength = (IsRunning()) ? feelerLengthRun : feelerLengthWalk;
feelerLength = (IsCrouching()) ? 20.0f : feelerLength;
// Feelers must follow floor slope
float ground;
Vector normal;
//m_eyePos = EyePosition();
m_eyePos.x = pev->origin.x + pev->view_ofs.x;
m_eyePos.y = pev->origin.y + pev->view_ofs.y;
m_eyePos.z = pev->origin.z + pev->view_ofs.z;
if (GetSimpleGroundHeightWithFloor(&m_eyePos, &ground, &normal) == false)
return;
// get forward vector along floor
dir = CrossProduct(lat, normal);
// correct the sideways vector
lat = CrossProduct(dir, normal);
Vector feet(pev->origin.x, pev->origin.y, GetFeetZ());
feet.z += feelerHeight;
Vector from = feet + feelerOffset * lat;
Vector to = from + feelerLength * dir;
bool leftClear = IsWalkableTraceLineClear(from, to, WALK_THRU_EVERYTHING);
// avoid ledges, too
// use 'from' so it doesn't interfere with legitimate gap jumping (its at our feet)
// TODO: Rethink this - it causes lots of wiggling when bots jump down from vents, etc
/*
float ground;
if (GetSimpleGroundHeightWithFloor(&from, &ground))
{
if (GetFeetZ() - ground > JumpHeight)
leftClear = false;
}
*/
if ((cv_bot_traceview.value == 1.0f && IsLocalPlayerWatchingMe()) || cv_bot_traceview.value == 10.0f)
{
if (leftClear)
UTIL_DrawBeamPoints(from, to, 1, 0, 255, 0);
else
UTIL_DrawBeamPoints(from, to, 1, 255, 0, 0);
}
from = feet - feelerOffset * lat;
to = from + feelerLength * dir;
bool rightClear = IsWalkableTraceLineClear(from, to, WALK_THRU_EVERYTHING);
/*
// avoid ledges, too
if (GetSimpleGroundHeightWithFloor(&from, &ground))
{
if (GetFeetZ() - ground > JumpHeight)
rightClear = false;
}
*/
if ((cv_bot_traceview.value == 1.0f && IsLocalPlayerWatchingMe()) || cv_bot_traceview.value == 10.0f)
{
if (rightClear)
UTIL_DrawBeamPoints(from, to, 1, 0, 255, 0);
else
UTIL_DrawBeamPoints(from, to, 1, 255, 0, 0);
}
const float avoidRange = (IsCrouching()) ? 150.0f : 300.0f; // 50.0f : 300.0f
if (!rightClear)
{
if (leftClear)
{
// right hit, left clear - veer left
*goalPosition = *goalPosition + avoidRange * lat;
}
}
else if (!leftClear)
{
// right clear, left hit - veer right
*goalPosition = *goalPosition - avoidRange * lat;
}
}