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Get rid of player fire rate suspicion

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This was super primitive & jank, and caused false positives.
Will replace with a polished system later on.
This commit is contained in:
gsemaj 2022-07-16 12:18:32 -07:00
parent ea61ed1aaa
commit 9f7c8a18df
2 changed files with 0 additions and 37 deletions
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35
src/Combat.cpp
View File

@ -137,26 +137,6 @@ static void pcAttackNpcs(CNSocket *sock, CNPacketData *data) {
Player *plr = PlayerManager::getPlayer(sock);
auto targets = (int32_t*)data->trailers;
// rapid fire anti-cheat
// TODO: move this out of here, when generalizing packet frequency validation
time_t currTime = getTime();
if (currTime - plr->lastShot < plr->fireRate * 80)
plr->suspicionRating += plr->fireRate * 100 + plr->lastShot - currTime; // gain suspicion for rapid firing
else if (currTime - plr->lastShot < plr->fireRate * 180 && plr->suspicionRating > 0)
plr->suspicionRating += plr->fireRate * 100 + plr->lastShot - currTime; // lose suspicion for delayed firing
plr->lastShot = currTime;
if (pkt->iNPCCnt > 3) // 3+ targets should never be possible
plr->suspicionRating += 10000;
if (plr->suspicionRating > 10000) { // kill the socket when the player is too suspicious
sock->kill();
CNShardServer::_killConnection(sock);
return;
}
/*
* IMPORTANT: This validates memory safety in addition to preventing
* ordinary cheating. If the client sends a very large number of trailing
@ -581,21 +561,6 @@ static void projectileHit(CNSocket* sock, CNPacketData* data) {
return;
}
// rapid fire anti-cheat
time_t currTime = getTime();
if (currTime - plr->lastShot < plr->fireRate * 80)
plr->suspicionRating += plr->fireRate * 100 + plr->lastShot - currTime; // gain suspicion for rapid firing
else if (currTime - plr->lastShot < plr->fireRate * 180 && plr->suspicionRating > 0)
plr->suspicionRating += plr->fireRate * 100 + plr->lastShot - currTime; // lose suspicion for delayed firing
plr->lastShot = currTime;
if (plr->suspicionRating > 10000) { // kill the socket when the player is too suspicious
sock->kill();
CNShardServer::_killConnection(sock);
return;
}
/*
* initialize response struct
* rocket style hit doesn't work properly, so we're always sending this one

2
src/Player.hpp
View File

@ -78,8 +78,6 @@ struct Player : public Entity, public ICombatant {
uint64_t iFirstUseFlag[2] = {};
time_t lastHeartbeat = 0;
int suspicionRating = 0;
time_t lastShot = 0;
std::vector<sItemBase> buyback = {};
Player() { kind = EntityKind::PLAYER; }