// If next step of path uses a ladder, prepare to traverse it
void CCSBot::SetupLadderMovement()
{
if (m_pathIndex < 1 || m_pathLength == 0)
return;
const ConnectInfo *to = &m_path[m_pathIndex];
if (to->ladder)
{
m_spotEncounter = nullptr;
m_areaEnteredTimestamp = gpGlobals->time;
m_pathLadder = to->ladder;
m_pathLadderTimestamp = gpGlobals->time;
// to get to next area, we must traverse a ladder
if (to->how == GO_LADDER_UP)
{
m_pathLadderState = APPROACH_ASCENDING_LADDER;
m_pathLadderFaceIn = true;
PrintIfWatched("APPROACH_ASCENDING_LADDER\n");
m_goalPosition = m_pathLadder->m_bottom;
AddDirectionVector(&m_goalPosition, m_pathLadder->m_dir, HalfHumanWidth * 2.0f);
m_lookAheadAngle = DirectionToAngle(OppositeDirection(m_pathLadder->m_dir));
}
else
{
// try to mount ladder "face out" first
m_goalPosition = m_pathLadder->m_top;
AddDirectionVector(&m_goalPosition, OppositeDirection(m_pathLadder->m_dir), HalfHumanWidth * 2.0f);
TraceResult result;
Vector from = m_pathLadder->m_top;
Vector to = m_goalPosition;
UTIL_TraceLine(from, to, ignore_monsters, ENT(m_pathLadder->m_entity->pev), &result);
if (result.flFraction == 1.0f)
{
PrintIfWatched("APPROACH_DESCENDING_LADDER (face out)\n");
m_pathLadderState = APPROACH_DESCENDING_LADDER;
m_pathLadderFaceIn = false;
m_lookAheadAngle = DirectionToAngle(m_pathLadder->m_dir);
}
else
{
PrintIfWatched("APPROACH_DESCENDING_LADDER (face in)\n");
m_pathLadderState = APPROACH_DESCENDING_LADDER;
m_pathLadderFaceIn = true;
m_lookAheadAngle = DirectionToAngle(OppositeDirection(m_pathLadder->m_dir));
m_goalPosition = m_pathLadder->m_top;
AddDirectionVector(&m_goalPosition, m_pathLadder->m_dir, HalfHumanWidth);
}
}
}
}
void CCSBot::Panic(CBasePlayer *pEnemy)
{
if (IsSurprised())
return;
Vector2D dir(BotCOS(pev->v_angle.y), BotSIN(pev->v_angle.y));
Vector2D perp(-dir.y, dir.x);
Vector spot;
if (GetProfile()->GetSkill() >= 0.5f)
{
Vector2D toEnemy = (pEnemy->pev->origin - pev->origin).Make2D();
toEnemy.NormalizeInPlace();
float along = DotProduct(toEnemy, dir);
float c45 = 0.7071f;
float size = 100.0f;
real_t shift = RANDOM_FLOAT(-75.0, 75.0);
if (along > c45)
{
spot.x = pev->origin.x + dir.x * size + perp.x * shift;
spot.y = pev->origin.y + dir.y * size + perp.y * shift;
}
else if (along < -c45)
{
spot.x = pev->origin.x - dir.x * size + perp.x * shift;
spot.y = pev->origin.y - dir.y * size + perp.y * shift;
}
else if (DotProduct(toEnemy, perp) > 0.0)
{
spot.x = pev->origin.x + perp.x * size + dir.x * shift;
spot.y = pev->origin.y + perp.y * size + dir.y * shift;
}
else
{
spot.x = pev->origin.x - perp.x * size + dir.x * shift;
spot.y = pev->origin.y - perp.y * size + dir.y * shift;
}
}
else
{
const float offset = 200.0f;
real_t side = RANDOM_FLOAT(-offset, offset) * 2.0f;
spot.x = pev->origin.x - dir.x * offset + perp.x * side;
spot.y = pev->origin.y - dir.y * offset + perp.y * side;
}
spot.z = pev->origin.z + RANDOM_FLOAT(-50.0, 50.0);
// we are stunned for a moment
m_surpriseDelay = RANDOM_FLOAT(0.1, 0.2);
m_surpriseTimestamp = gpGlobals->time;
SetLookAt("Panic", &spot, PRIORITY_HIGH, 0, 0, 5.0);
PrintIfWatched("Aaaah!\n");
}
// If we are not on the navigation mesh (m_currentArea == nullptr),
// move towards last known area.
// Return false if off mesh.
bool CCSBot::StayOnNavMesh()
{
if (m_currentArea)
return true;
// move back onto the area map
// if we have no lastKnownArea, we probably started off
// of the nav mesh - find the closest nav area and use it
CNavArea *goalArea;
if (!m_currentArea && !m_lastKnownArea)
{
goalArea = TheNavAreaGrid.GetNearestNavArea(&pev->origin);
PrintIfWatched("Started off the nav mesh - moving to closest nav area...\n");
}
else
{
goalArea = m_lastKnownArea;
PrintIfWatched("Getting out of NULL area...\n");
}
if (goalArea)
{
Vector pos;
goalArea->GetClosestPointOnArea(&pev->origin, &pos);
// move point into area
Vector to = pos - pev->origin;
to.NormalizeInPlace();
// how far to "step into" an area - must be less than min area size
const float stepInDist = 5.0f;
pos = pos + (stepInDist * to);
MoveTowardsPosition(&pos);
}
// if we're stuck, try to get un-stuck
// do stuck movements last, so they override normal movement
if (m_isStuck)
{
Wiggle();
}
return false;
}
// Invoked when killed
void CCSBot::Killed(entvars_t *pevAttacker, int iGib)
{
PrintIfWatched("Killed( attacker = %s )\n", STRING(pevAttacker->netname));
GetChatter()->OnDeath();
// increase the danger where we died
const float deathDanger = 1.0f;
const float deathDangerRadius = 500.0f;
IncreaseDangerNearby(m_iTeam - 1, deathDanger, m_lastKnownArea, &pev->origin, deathDangerRadius);
// end voice feedback
EndVoiceFeedback();
// extend
CBasePlayer::Killed(pevAttacker, iGib);
}
// Blind the bot for the given duration
void CCSBot::__MAKE_VHOOK(Blind)(float duration, float holdTime, float fadeTime, int alpha)
{
// extend
CBasePlayer::Blind(duration, holdTime, fadeTime, alpha);
PrintIfWatched("I'm blind!\n");
if (RANDOM_FLOAT(0.0f, 100.0f) < 33.3f)
{
GetChatter()->Say("Blinded", 1.0f);
}
// decide which way to move while blind
m_blindMoveDir = static_cast<NavRelativeDirType>(RANDOM_LONG(1, NUM_RELATIVE_DIRECTIONS - 1));
// if blinded while in combat - then spray and pray!
m_blindFire = (RANDOM_FLOAT(0.0f, 100.0f) < 10.0f) != 0;
// no longer safe
AdjustSafeTime();
}
// Send a radio message
void CCSBot::SendRadioMessage(GameEventType event)
{
// make sure this is a radio event
if (event <= EVENT_START_RADIO_1 || event >= EVENT_END_RADIO)
{
return;
}
PrintIfWatched("%3.1f: SendRadioMessage( %s )\n", gpGlobals->time, GameEventName[event]);
// note the time the message was sent
TheCSBots()->SetRadioMessageTimestamp(event, m_iTeam);
m_lastRadioSentTimestamp = gpGlobals->time;
char slot[2];
slot[1] = '\0';
if (event > EVENT_START_RADIO_1 && event < EVENT_START_RADIO_2)
{
slot[0] = event - EVENT_START_RADIO_1;
ClientCommand("radio1");
//Radio1(this, event - EVENT_START_RADIO_3);
}
else if (event > EVENT_START_RADIO_2 && event < EVENT_START_RADIO_3)
{
slot[0] = event - EVENT_START_RADIO_2;
ClientCommand("radio2");
//Radio2(this, event - EVENT_START_RADIO_3);
}
else
{
slot[0] = event - EVENT_START_RADIO_3;
ClientCommand("radio3");
//Radio3(this, event - EVENT_START_RADIO_3);
}
ClientCommand("menuselect", slot);
ClientCommand("menuselect", "10");
}
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;
}
}
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;
}
CBasePlayer *CCSBot::FindMostDangerousThreat()
{
// maximum number of simulataneously attendable threats
enum { MAX_THREATS = 16 };
struct CloseInfo
{
CBasePlayer *enemy;
float range;
}
threat[ MAX_THREATS ];
int threatCount = 0;
m_bomber = NULL;
m_closestVisibleFriend = NULL;
float closeFriendRange = 99999999999.9f;
m_closestVisibleHumanFriend = NULL;
float closeHumanFriendRange = 99999999999.9f;
int i;
{
for (i = 1; i <= gpGlobals->maxClients; ++i)
{
CBasePlayer *player = UTIL_PlayerByIndex(i);
if (player == NULL)
continue;
if (FNullEnt(player->pev))
continue;
// is it a player?
if (!player->IsPlayer())
continue;
// ignore self
if (player->entindex() == entindex())
continue;
// is it alive?
if (!player->IsAlive())
continue;
// is it an enemy?
if (player->m_iTeam == m_iTeam)
{
TraceResult result;
UTIL_TraceLine(GetEyePosition(), player->pev->origin, ignore_monsters, ignore_glass, edict(), &result);
if (result.flFraction == 1.0f)
{
// update watch timestamp
int idx = player->entindex() - 1;
m_watchInfo[idx].timestamp = gpGlobals->time;
m_watchInfo[idx].isEnemy = false;
// keep track of our closest friend
Vector to = pev->origin - player->pev->origin;
float rangeSq = to.LengthSquared();
if (rangeSq < closeFriendRange)
{
m_closestVisibleFriend = player;
closeFriendRange = rangeSq;
}
// keep track of our closest human friend
if (!player->IsBot() && rangeSq < closeHumanFriendRange)
{
m_closestVisibleHumanFriend = player;
closeHumanFriendRange = rangeSq;
}
}
continue;
}
// check if this enemy is fully
if (!IsVisible(player, CHECK_FOV))
continue;
// update watch timestamp
int idx = player->entindex() - 1;
m_watchInfo[idx].timestamp = gpGlobals->time;
m_watchInfo[idx].isEnemy = true;
// note if we see the bomber
if (player->IsBombGuy())
{
m_bomber = player;
}
// keep track of all visible threats
Vector d = pev->origin - player->pev->origin;
float distSq = d.LengthSquared();
// maintain set of visible threats, sorted by increasing distance
if (threatCount == 0)
{
threat[0].enemy = player;
threat[0].range = distSq;
threatCount = 1;
}
else
{
// find insertion point
int j;
for (j = 0; j < threatCount; ++j)
{
if (distSq < threat[j].range)
break;
}
// shift lower half down a notch
for (int k = threatCount - 1; k >= j; --k)
threat[k + 1] = threat[k];
// insert threat into sorted list
threat[j].enemy = player;
threat[j].range = distSq;
if (threatCount < MAX_THREATS)
++threatCount;
}
}
}
{
// track the maximum enemy and friend counts we've seen recently
int prevEnemies = m_nearbyEnemyCount;
int prevFriends = m_nearbyFriendCount;
m_nearbyEnemyCount = 0;
m_nearbyFriendCount = 0;
for (i = 0; i < MAX_CLIENTS; ++i)
{
if (m_watchInfo[i].timestamp <= 0.0f)
continue;
const float recentTime = 3.0f;
if (gpGlobals->time - m_watchInfo[i].timestamp < recentTime)
{
if (m_watchInfo[i].isEnemy)
++m_nearbyEnemyCount;
else
++m_nearbyFriendCount;
}
}
// note when we saw this batch of enemies
if (prevEnemies == 0 && m_nearbyEnemyCount > 0)
{
m_firstSawEnemyTimestamp = gpGlobals->time;
}
if (prevEnemies != m_nearbyEnemyCount || prevFriends != m_nearbyFriendCount)
{
PrintIfWatched("Nearby friends = %d, enemies = %d\n", m_nearbyFriendCount, m_nearbyEnemyCount);
}
}
{
// Track the place where we saw most of our enemies
struct PlaceRank
{
unsigned int place;
int count;
};
static PlaceRank placeRank[ MAX_PLACES_PER_MAP ];
int locCount = 0;
PlaceRank common;
common.place = 0;
common.count = 0;
for (i = 0; i < threatCount; ++i)
{
// find the area the player/bot is standing on
CNavArea *area;
CCSBot *bot = dynamic_cast<CCSBot *>(threat[i].enemy);
if (bot != NULL && bot->IsBot())
{
area = bot->GetLastKnownArea();
}
else
{
area = TheNavAreaGrid.GetNearestNavArea(&threat[i].enemy->pev->origin);
}
if (area == NULL)
continue;
unsigned int threatLoc = area->GetPlace();
if (!threatLoc)
continue;
// if place is already in set, increment count
int j;
for (j = 0; j < locCount; ++j)
{
if (placeRank[j].place == threatLoc)
break;
}
if (j == locCount)
{
// new place
if (locCount < MAX_PLACES_PER_MAP)
{
placeRank[ locCount ].place = threatLoc;
placeRank[ locCount ].count = 1;
if (common.count == 0)
common = placeRank[locCount];
++locCount;
}
}
else
{
// others are in that place, increment
++placeRank[j].count;
// keep track of the most common place
if (placeRank[j].count > common.count)
common = placeRank[j];
}
}
// remember most common place
m_enemyPlace = common.place;
}
{
if (threatCount == 0)
return NULL;
// otherwise, find the closest threat that without using shield
int t;
for (t = 0; t < threatCount; ++t)
{
if (!threat[t].enemy->IsProtectedByShield())
{
return threat[t].enemy;
}
}
}
// return closest threat
return threat[0].enemy;
}
// Determine actual path positions bot will move between along the path
bool CCSBot::ComputePathPositions()
{
if (m_pathLength == 0)
return false;
// start in first area's center
m_path[0].pos = *m_path[0].area->GetCenter();
m_path[0].ladder = nullptr;
m_path[0].how = NUM_TRAVERSE_TYPES;
for (int i = 1; i < m_pathLength; i++)
{
const ConnectInfo *from = &m_path[i - 1];
ConnectInfo *to = &m_path[i];
// walk along the floor to the next area
if (to->how <= GO_WEST)
{
to->ladder = nullptr;
// compute next point, keeping path as straight as possible
from->area->ComputeClosestPointInPortal(to->area, (NavDirType)to->how, &from->pos, &to->pos);
// move goal position into the goal area a bit
// how far to "step into" an area - must be less than min area size
const float stepInDist = 5.0f;
AddDirectionVector(&to->pos, (NavDirType)to->how, stepInDist);
// we need to walk out of "from" area, so keep Z where we can reach it
to->pos.z = from->area->GetZ(&to->pos);
// if this is a "jump down" connection, we must insert an additional point on the path
if (to->area->IsConnected(from->area, NUM_DIRECTIONS) == false)
{
// this is a "jump down" link
// compute direction of path just prior to "jump down"
Vector2D dir;
DirectionToVector2D((NavDirType)to->how, &dir);
// shift top of "jump down" out a bit to "get over the ledge"
const float pushDist = 25.0f; // 75.0f;
to->pos.x += pushDist * dir.x;
to->pos.y += pushDist * dir.y;
// insert a duplicate node to represent the bottom of the fall
if (m_pathLength < MAX_PATH_LENGTH - 1)
{
// copy nodes down
for (int j = m_pathLength; j > i; j--)
m_path[j] = m_path[j - 1];
// path is one node longer
m_pathLength++;
// move index ahead into the new node we just duplicated
i++;
m_path[i].pos.x = to->pos.x + pushDist * dir.x;
m_path[i].pos.y = to->pos.y + pushDist * dir.y;
// put this one at the bottom of the fall
m_path[i].pos.z = to->area->GetZ(&m_path[i].pos);
}
}
}
// to get to next area, must go up a ladder
else if (to->how == GO_LADDER_UP)
{
// find our ladder
const NavLadderList *list = from->area->GetLadderList(LADDER_UP);
NavLadderList::const_iterator iter;
for (iter = list->begin(); iter != list->end(); iter++)
{
CNavLadder *ladder = (*iter);
// can't use "behind" area when ascending...
if (ladder->m_topForwardArea == to->area || ladder->m_topLeftArea == to->area || ladder->m_topRightArea == to->area)
{
to->ladder = ladder;
to->pos = ladder->m_bottom;
AddDirectionVector(&to->pos, ladder->m_dir, HalfHumanWidth * 2.0f);
break;
}
}
if (iter == list->end())
{
PrintIfWatched("ERROR: Can't find ladder in path\n");
return false;
}
}
// to get to next area, must go down a ladder
else if (to->how == GO_LADDER_DOWN)
{
// find our ladder
const NavLadderList *list = from->area->GetLadderList(LADDER_DOWN);
NavLadderList::const_iterator iter;
for (iter = list->begin(); iter != list->end(); iter++)
{
CNavLadder *ladder = (*iter);
if (ladder->m_bottomArea == to->area)
{
to->ladder = ladder;
to->pos = ladder->m_top;
AddDirectionVector(&to->pos, OppositeDirection(ladder->m_dir), HalfHumanWidth * 2.0f);
break;
}
}
if (iter == list->end())
{
PrintIfWatched("ERROR: Can't find ladder in path\n");
return false;
}
}
}
return true;
}
// 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;
}
// Compute shortest path to goal position via A* algorithm
// If 'goalArea' is NULL, path will get as close as it can.
bool CCSBot::ComputePath(CNavArea *goalArea, const Vector *goal, RouteType route)
{
// Throttle re-pathing
if (!m_repathTimer.IsElapsed())
return false;
// randomize to distribute CPU load
m_repathTimer.Start(RANDOM_FLOAT(0.4f, 0.6f));
DestroyPath();
CNavArea *startArea = m_lastKnownArea;
if (!startArea)
return false;
// note final specific position
Vector pathEndPosition;
if (!goal && !goalArea)
return false;
if (!goal)
pathEndPosition = *goalArea->GetCenter();
else
pathEndPosition = *goal;
// make sure path end position is on the ground
if (goalArea)
pathEndPosition.z = goalArea->GetZ(&pathEndPosition);
else
GetGroundHeight(&pathEndPosition, &pathEndPosition.z);
// if we are already in the goal area, build trivial path
if (startArea == goalArea)
{
BuildTrivialPath(&pathEndPosition);
return true;
}
// Compute shortest path to goal
CNavArea *closestArea = nullptr;
PathCost pathCost(this, route);
bool pathToGoalExists = NavAreaBuildPath(startArea, goalArea, goal, pathCost, &closestArea);
CNavArea *effectiveGoalArea = (pathToGoalExists) ? goalArea : closestArea;
// Build path by following parent links
// get count
int count = 0;
CNavArea *area;
for (area = effectiveGoalArea; area; area = area->GetParent())
{
count++;
}
// save room for endpoint
if (count > MAX_PATH_LENGTH - 1)
count = MAX_PATH_LENGTH - 1;
if (count == 0)
return false;
if (count == 1)
{
BuildTrivialPath(&pathEndPosition);
return true;
}
// build path
m_pathLength = count;
for (area = effectiveGoalArea; count && area; area = area->GetParent())
{
count--;
m_path[count].area = area;
m_path[count].how = area->GetParentHow();
}
// compute path positions
if (ComputePathPositions() == false)
{
PrintIfWatched("Error building path\n");
DestroyPath();
return false;
}
if (!goal)
{
switch (m_path[m_pathLength - 1].how)
{
case GO_NORTH:
case GO_SOUTH:
pathEndPosition.x = m_path[m_pathLength - 1].pos.x;
pathEndPosition.y = effectiveGoalArea->GetCenter()->y;
break;
case GO_EAST:
case GO_WEST:
pathEndPosition.x = effectiveGoalArea->GetCenter()->x;
pathEndPosition.y = m_path[m_pathLength - 1].pos.y;
break;
}
GetGroundHeight(&pathEndPosition, &pathEndPosition.z);
}
// append path end position
m_path[m_pathLength].area = effectiveGoalArea;
m_path[m_pathLength].pos = pathEndPosition;
m_path[m_pathLength].ladder = nullptr;
m_path[m_pathLength].how = NUM_TRAVERSE_TYPES;
m_pathLength++;
// do movement setup
m_pathIndex = 1;
m_areaEnteredTimestamp = gpGlobals->time;
m_spotEncounter = nullptr;
m_goalPosition = m_path[1].pos;
if (m_path[1].ladder)
SetupLadderMovement();
else
m_pathLadder = nullptr;
return true;
}
// 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;
}
