diff options
Diffstat (limited to 'src/game/server/gamecontext.cpp')
| -rw-r--r-- | src/game/server/gamecontext.cpp | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/src/game/server/gamecontext.cpp b/src/game/server/gamecontext.cpp index fa36187b..0ee29d40 100644 --- a/src/game/server/gamecontext.cpp +++ b/src/game/server/gamecontext.cpp @@ -527,6 +527,52 @@ void CGameContext::OnTick() } } + // bot detection + // it is based on the behaviour of some bots to shoot at a player's _exact_ position + // check each player + for(int i = 0; i < MAX_CLIENTS; ++i) + { + CCharacter *ci, *cj; + CPlayer *p; + // abort if player is not ingame or already detected as a bot + if(!(p = m_apPlayers[i]) || p->m_IsBot || !(ci = GetPlayerChar(i))) + continue; + + // check against every other player + for(int j = 0; j < MAX_CLIENTS; ++j) + { + const CCharacter::LastPosition *pos, *posVictim; + + // other placer needs to be ingame and in sight. don't detect the same position again + if(j != i && (cj = GetPlayerChar(j)) && cj->NetworkClipped(i) == 0 && ci->AimedAtCharRecently(p->m_LatestActivity.m_TargetX, p->m_LatestActivity.m_TargetY, cj, pos, posVictim, p->m_AimBotLastDetection) && !(pos->x == p->m_AimBotLastDetectionPos.x && pos->y == p->m_AimBotLastDetectionPos.y && posVictim->x == p->m_AimBotLastDetectionPosVictim.x && posVictim->y == p->m_AimBotLastDetectionPosVictim.y)) + { + p->m_AimBotLastDetection = Server()->Tick(); + p->m_AimBotLastDetectionPos = *pos; + p->m_AimBotLastDetectionPosVictim = *posVictim; + ++p->m_AimBotIndex; + // write to console + char aBuf[128]; + str_format(aBuf, sizeof(aBuf), "player=%d victim=%d a_index=%d", i, j, p->m_AimBotIndex); + Console()->Print(IConsole::OUTPUT_LEVEL_STANDARD, "botdetect", aBuf); + // check if threshold is exceeded + if(p->m_AimBotIndex >= 10) + { + p->m_IsBot = true; + // alert the chat + char aBuf[128]; + str_format(aBuf, sizeof(aBuf), "'%s' might be botting", Server()->ClientName(i)); + SendChat(-1, CGameContext::CHAT_ALL, aBuf); + } + // don't check other players + break; + } + + } + + // reduce once every 2 seconds (tolerance) + if(((Server()->Tick() % (Server()->TickSpeed() * 2)) == 0) && p->m_AimBotIndex) + --p->m_AimBotIndex; + } #ifdef CONF_DEBUG if(g_Config.m_DbgDummies) |