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; } }
// 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]); } } } }