bool Bot::LookupEnemy (void)
{
// this function tries to find the best suitable enemy for the bot
m_visibility = 0;
// SyPB Pro P.1
if (m_enemy != null && (GetTeam (GetEntity ()) == GetTeam (m_enemy) || Attack_Invisible(m_enemy)))
{
m_enemy = null;
return false;
}
// SyPB Pro P.4
if (GetEnemyEntity ())
return true;
// do not search for enemies while we're blinded, or shooting disabled by user
if (m_blindTime > engine->GetTime () || sypb_noshots.GetBool ())
return false;
// do not check for new enemy too fast
if (!FNullEnt (m_enemy) && m_enemyUpdateTime > engine->GetTime () && !(m_states & STATE_SUSPECTENEMY))
{
m_aimFlags |= AIM_ENEMY;
return true;
}
edict_t *player, *newEnemy = null;
float nearestDistance = m_viewDistance;
int i, team = GetTeam (GetEntity ());
// setup potentially visible set for this bot
Vector potentialVisibility = EyePosition ();
if (pev->flags & FL_DUCKING)
potentialVisibility = potentialVisibility + (VEC_HULL_MIN - VEC_DUCK_HULL_MIN);
uint8_t *pvs = ENGINE_SET_PVS (reinterpret_cast <float *> (&potentialVisibility));
// clear suspected flag
if (m_seeEnemyTime + 4.0f < engine->GetTime ())
m_states &= ~STATE_SUSPECTENEMY;
if (!FNullEnt (m_enemy))
{
player = m_enemy;
// is player is alive
if (IsAlive (player) && IsEnemyViewable (player))
newEnemy = player;
}
// the old enemy is no longer visible or
if (FNullEnt (newEnemy))
{
m_enemyUpdateTime = engine->GetTime () + 0.25f;
// some shield stuff
Array <edict_t *> enemies;
// search the world for players...
for (i = 0; i < engine->GetMaxClients (); i++)
{
if (!(g_clients[i].flags & CFLAG_USED) || !(g_clients[i].flags & CFLAG_ALIVE) || (g_clients[i].team == team) || (g_clients[i].ent == GetEntity ()))
continue;
player = g_clients[i].ent;
// let the engine check if this player is potentially visible
if (!ENGINE_CHECK_VISIBILITY (player, pvs))
continue;
// skip glowed players, in free for all mode, we can't hit them
if (player->v.renderfx == kRenderFxGlowShell && GetGameMod() == 1)
continue;
// do some blind by smoke grenade
if (IsBehindSmokeClouds (player) && m_blindRecognizeTime < engine->GetTime ())
m_blindRecognizeTime = engine->GetTime () + engine->RandomFloat (2.0, 3.0f);
if (player->v.button & (IN_ATTACK | IN_ATTACK2))
m_blindRecognizeTime = engine->GetTime () - 0.1f;
// see if bot can see the player...
if (m_blindRecognizeTime < engine->GetTime () && IsEnemyViewable (player))
{
float distance = (player->v.origin - pev->origin).GetLength ();
if (distance < nearestDistance)
{
enemies.Push (player);
if (IsEnemyProtectedByShield (player))
continue;
nearestDistance = distance;
newEnemy = player;
// aim VIP first on AS maps...
if ((g_mapType & MAP_AS) && *(INFOKEY_VALUE (GET_INFOKEYBUFFER (player), "model")) == 'v')
break;
}
}
}
// if we got no enemies with no shield, and got enemies with target them
if (enemies.GetElementNumber () != 0 && !IsValidPlayer (newEnemy))
newEnemy = enemies[0];
}
if (IsValidPlayer (newEnemy))
{
g_botsCanPause = true;
m_aimFlags |= AIM_ENEMY;
if (newEnemy == m_enemy)
{
// if enemy is still visible and in field of view, keep it keep track of when we last saw an enemy
m_seeEnemyTime = engine->GetTime ();
// zero out reaction time
m_actualReactionTime = 0.0f;
m_lastEnemy = newEnemy;
m_lastEnemyOrigin = newEnemy->v.origin;
m_GetNewEnemyTimer = engine->GetTime () + 0.8;
return true;
}
else
{
if (m_seeEnemyTime + 3.0f < engine->GetTime () && (pev->weapons & (1 << WEAPON_C4) || HasHostage () || !FNullEnt (m_targetEntity)))
RadioMessage (Radio_EnemySpotted);
m_targetEntity = null; // stop following when we see an enemy...
if (engine->RandomInt (0, 100) < m_skill)
m_enemySurpriseTime = engine->GetTime () + (m_actualReactionTime / 3);
else
m_enemySurpriseTime = engine->GetTime () + m_actualReactionTime;
// zero out reaction time
m_actualReactionTime = 0.0f;
m_enemy = newEnemy;
m_lastEnemy = newEnemy;
m_lastEnemyOrigin = newEnemy->v.origin;
m_enemyReachableTimer = 0.0f;
// keep track of when we last saw an enemy
m_seeEnemyTime = engine->GetTime ();
// now alarm all teammates who see this bot & don't have an actual enemy of the bots enemy should simulate human players seeing a teammate firing
for (int j = 0; j < engine->GetMaxClients (); j++)
{
if (!(g_clients[j].flags & CFLAG_USED) || !(g_clients[j].flags & CFLAG_ALIVE) || g_clients[j].team != team || g_clients[j].ent == GetEntity ())
continue;
Bot *friendBot = g_botManager->GetBot (g_clients[j].ent);
if (friendBot != null)
{
if (friendBot->m_seeEnemyTime + 2.0f < engine->GetTime () || FNullEnt (friendBot->m_lastEnemy))
{
if (IsVisible (pev->origin, ENT (friendBot->pev)))
{
friendBot->m_lastEnemy = newEnemy;
friendBot->m_lastEnemyOrigin = m_lastEnemyOrigin;
friendBot->m_seeEnemyTime = engine->GetTime ();
}
}
}
}
m_GetNewEnemyTimer = engine->GetTime () + 1.6;
return true;
}
}
else if (!FNullEnt (m_enemy))
{
newEnemy = m_enemy;
m_lastEnemy = newEnemy;
m_GetNewEnemyTimer = engine->GetTime () + 0.8;
if (!IsAlive (newEnemy))
{
m_enemy = null;
// shoot at dying players if no new enemy to give some more human-like illusion
if (m_seeEnemyTime + 0.1 > engine->GetTime ())
{
if (!UsesSniper ())
{
m_shootAtDeadTime = engine->GetTime () + 0.2f;
m_actualReactionTime = 0.0f;
m_states |= STATE_SUSPECTENEMY;
return true;
}
return false;
}
else if (m_shootAtDeadTime > engine->GetTime ())
{
m_actualReactionTime = 0.0f;
m_states |= STATE_SUSPECTENEMY;
return true;
}
return false;
}
// if no enemy visible check if last one shoot able through wall
if (sypb_thruwalls.GetBool () && engine->RandomInt (1, 100) < g_skillTab[m_skill / 20].seenShootThruProb)
{
if (IsShootableThruObstacle (newEnemy->v.origin))
{
m_seeEnemyTime = engine->GetTime () - 0.2f;
m_states |= STATE_SUSPECTENEMY;
m_aimFlags |= AIM_LASTENEMY;
m_enemy = newEnemy;
m_lastEnemy = newEnemy;
m_lastEnemyOrigin = newEnemy->v.origin;
return true;
}
}
}
// check if bots should reload...
if ((m_aimFlags <= AIM_PREDICTENEMY && m_seeEnemyTime + 4.0f < engine->GetTime () && !(m_states & (STATE_SEEINGENEMY | STATE_HEARENEMY)) && FNullEnt (m_lastEnemy) && FNullEnt (m_enemy) && GetCurrentTask ()->taskID != TASK_DESTROYBREAKABLE && GetCurrentTask ()->taskID != TASK_PLANTBOMB && GetCurrentTask ()->taskID != TASK_DEFUSEBOMB) || g_roundEnded)
{
if (!m_reloadState)
m_reloadState = RSTATE_PRIMARY;
}
// is the bot using a sniper rifle or a zoomable rifle?
if ((UsesSniper () || UsesZoomableRifle ()) && m_zoomCheckTime + 1.0f < engine->GetTime ())
{
if (pev->fov < 90) // let the bot zoom out
pev->button |= IN_ATTACK2;
else
m_zoomCheckTime = 0.0f;
}
return false;
}
