#include "fiber_pool.hpp"
#include "gta/enums.hpp"
#include "gta/net_game_event.hpp"
#include "gta/weapon_info_manager.hpp"
#include "hooking/hooking.hpp"
#include "script/scriptIdBase.hpp"
#include "util/math.hpp"
#include "util/mobile.hpp"
#include "util/notify.hpp"
#include "util/toxic.hpp"
#include
#include
namespace big
{
static void script_id_deserialize(CGameScriptId& id, rage::datBitBuffer& buffer)
{
id.m_hash = buffer.Read(32);
id.m_timestamp = buffer.Read(32);
if (buffer.Read(1))
id.m_position_hash = buffer.Read(32);
if (buffer.Read(1))
id.m_instance_id = buffer.Read(8);
}
static bool is_valid_weapon(rage::joaat_t hash)
{
for (const auto& info : g_pointers->m_gta.m_weapon_info_manager->m_item_infos)
{
if (info && info->m_name == hash && info->GetClassId() == "cweaponinfo"_J)
{
return true;
}
}
return false;
}
// Returns true if bad event
bool scan_weapon_damage_event(rage::netEventMgr* event_manager, CNetGamePlayer* player, CNetGamePlayer* target_player, int event_index, int event_handled_bitset, rage::datBitBuffer* buffer)
{
uint8_t damageType;
uint32_t weaponType; // weaponHash
bool overrideDefaultDamage;
bool hitEntityWeapon;
bool hitWeaponAmmoAttachment;
bool silenced;
uint32_t damageFlags;
bool hasActionResult;
uint32_t actionResultName;
uint16_t actionResultId;
uint32_t f104;
uint32_t weaponDamage;
bool isNetTargetPos;
rage::fvector3 localPos;
bool f112;
uint32_t damageTime;
bool willKill;
uint32_t f120;
bool hasVehicleData;
uint16_t f112_1;
uint16_t parentGlobalId; // Source entity?
uint16_t hitGlobalId; // Target entity?
uint8_t tyreIndex;
uint8_t suspensionIndex;
uint8_t hitComponent;
bool f133;
bool hasImpactDir;
rage::fvector3 impactDir;
damageType = buffer->Read(2);
weaponType = buffer->Read(32);
if (!is_valid_weapon(weaponType))
{
notify::crash_blocked(player, "invalid weapon type");
g_pointers->m_gta.m_send_event_ack(event_manager, player, target_player, event_index, event_handled_bitset);
return true;
}
overrideDefaultDamage = buffer->Read(1);
hitEntityWeapon = buffer->Read(1);
hitWeaponAmmoAttachment = buffer->Read(1);
silenced = buffer->Read(1);
damageFlags = buffer->Read(24);
// (damageFlags >> 1) & 1
hasActionResult = buffer->Read(1);
if (hasActionResult)
{
actionResultName = buffer->Read(32);
actionResultId = buffer->Read(16);
f104
= buffer->Read(32);
}
if (overrideDefaultDamage)
{
weaponDamage = buffer->Read(17);
}
else
{
weaponDamage = 0;
}
bool _f92 = buffer->Read(1);
if (_f92)
{
buffer->Read(4);
}
isNetTargetPos = buffer->Read(1);
if (isNetTargetPos)
{
localPos.x = buffer->ReadSignedFloat(16, 55.f); // divisor: 0x425C0000
localPos.y = buffer->ReadSignedFloat(16, 55.f);
localPos.z = buffer->ReadSignedFloat(16, 55.f);
}
if (damageType == 3)
{
damageTime = buffer->Read(32);
willKill = buffer->Read(1);
if (hasActionResult)
{
hitGlobalId = buffer->Read(13);
}
else
{
hitGlobalId = 0;
}
f112 = buffer->Read(1);
if (!f112)
{
f112_1 = buffer->Read(11);
}
else
{
f112_1 = buffer->Read(16);
}
}
else
{
parentGlobalId = buffer->Read(13); // +118
hitGlobalId = buffer->Read(13); // +120
}
if (damageType < 2)
{
localPos.x = buffer->ReadSignedFloat(16, 55.f); // divisor: 0x425C0000
localPos.y = buffer->ReadSignedFloat(16, 55.f);
localPos.z = buffer->ReadSignedFloat(16, 55.f);
if (damageType == 1)
{
hasVehicleData = buffer->Read(1);
if (hasVehicleData)
{
tyreIndex = buffer->Read(4); // +122
suspensionIndex = buffer->Read(4); // +123
}
}
}
else
{
hitComponent = buffer->Read(5); // +108
}
f133 = buffer->Read(1);
hasImpactDir = buffer->Read(1);
if (hasImpactDir)
{
impactDir.x = buffer->ReadSignedFloat(16, 6.2831854820251f); // divisor: 0x40C90FDB
impactDir.y = buffer->ReadSignedFloat(16, 6.2831854820251f);
impactDir.z = buffer->ReadSignedFloat(16, 6.2831854820251f);
}
buffer->Seek(0);
// LOG(INFO) << localPos.x << " " << localPos.y << " " << localPos.z << ". " << math::distance_between_vectors(localPos, *g_local_player->m_navigation->get_position()) << " " << (g_local_player->m_net_object->m_object_id == hitGlobalId ? "TRUE" : "FALSE") << " " << damageType << " " << damageFlags;
if (damageType == 3 && (damageFlags & (1 << 1)) == 0)
hitGlobalId = g_local_player ? g_local_player->m_net_object->m_object_id : 0;
if (g.session.damage_karma && g_local_player && g_local_player->m_net_object
&& (g_local_player->m_net_object->m_object_id == hitGlobalId
|| math::distance_between_vectors(localPos, *g_local_player->m_navigation->get_position()) < 1.5f))
{
int id = player->m_player_id;
g_fiber_pool->queue_job([id, hitComponent, overrideDefaultDamage, weaponType, weaponDamage, tyreIndex, suspensionIndex, damageFlags, actionResultName, actionResultId, f104, hitEntityWeapon, hitWeaponAmmoAttachment, silenced, hasImpactDir, impactDir, localPos] {
auto player = g_player_service->get_by_id(id);
if (!player->is_valid() || !player->get_ped())
return;
g_pointers->m_gta.m_send_network_damage(g_player_service->get_self()->get_ped(),
player->get_ped(),
(rage::fvector3*)&localPos,
hitComponent,
overrideDefaultDamage,
weaponType,
weaponDamage,
tyreIndex,
suspensionIndex,
damageFlags,
actionResultName,
actionResultId,
f104,
hitEntityWeapon,
hitWeaponAmmoAttachment,
silenced,
false,
player->get_ped()->m_navigation->get_position());
});
}
return false;
}
void scan_explosion_event(CNetGamePlayer* player, rage::datBitBuffer* buffer)
{
uint16_t f186;
uint16_t f208;
int ownerNetId;
uint16_t f214;
eExplosionTag explosionType;
float damageScale;
float posX;
float posY;
float posZ;
bool f242;
uint16_t f104;
float cameraShake;
bool isAudible;
bool f189;
bool isInvisible;
bool f126;
bool f241;
bool f243;
uint16_t f210;
float unkX;
float unkY;
float unkZ;
bool f190;
bool f191;
uint32_t f164;
float posX224;
float posY224;
float posZ224;
bool f240;
uint16_t f218;
bool f216;
// clang-format off
f186 = buffer->Read(16);
f208 = buffer->Read(13);
ownerNetId = buffer->Read(13);
f214 = buffer->Read(13); // 1604+
explosionType = (eExplosionTag)buffer->ReadSigned(8);// 1604+ bit size
damageScale = buffer->Read(8) / 255.0f;
posX = buffer->ReadSignedFloat(22, 27648.0f);
posY = buffer->ReadSignedFloat(22, 27648.0f);
posZ = buffer->ReadFloat(22, 4416.0f) - 1700.0f;
f242 = buffer->Read(1);
f104 = buffer->Read(16);
cameraShake = buffer->Read(8) / 127.0f;
isAudible = buffer->Read(1);
f189 = buffer->Read(1);
isInvisible = buffer->Read(1);
f126 = buffer->Read(1);
f241 = buffer->Read(1);
f243 = buffer->Read(1);// 1604+
f210 = buffer->Read(13);
unkX = buffer->ReadSignedFloat(16, 1.1f);
unkY = buffer->ReadSignedFloat(16, 1.1f);
unkZ = buffer->ReadSignedFloat(16, 1.1f);
f190 = buffer->Read(1);
f191 = buffer->Read(1);
f164 = buffer->Read(32);
if (f242)
{
posX224 = buffer->ReadSignedFloat(31, 27648.0f);
posY224 = buffer->ReadSignedFloat(31, 27648.0f);
posZ224 = buffer->ReadFloat(31, 4416.0f) - 1700.0f;
}
else
{
posX224 = 0;
posY224 = 0;
posZ224 = 0;
}
auto f168 = buffer->Read(32);// >= 1868: f_168
f240 = buffer->Read(1);
if (f240)
{
f218 = buffer->Read(16);
if (f191)
{
f216 = buffer->Read(8);
}
}
buffer->Seek(0);
auto object = g_pointers->m_gta.m_get_net_object(*g_pointers->m_gta.m_network_object_mgr, ownerNetId, true);
auto entity = object ? object->GetGameObject() : nullptr;
auto offset_object = g_pointers->m_gta.m_get_net_object(*g_pointers->m_gta.m_network_object_mgr, f210, true);
if (f208 == 0 && entity && entity->m_entity_type == 4 && reinterpret_cast(entity)->m_player_info
&& player->m_player_info->m_ped && player->m_player_info->m_ped->m_net_object
&& ownerNetId != player->m_player_info->m_ped->m_net_object->m_object_id && !offset_object)
{
g_notification_service.push_error("WARNING"_T.data(),
std::vformat("BLAMED_FOR_EXPLOSION"_T,
std::make_format_args(player->get_name(),
reinterpret_cast(entity)->m_player_info->m_net_player_data.m_name)));
// too many false positives, disabling it
//session::add_infraction(g_player_service->get_by_id(player->m_player_id), Infraction::BLAME_EXPLOSION_DETECTED);
return;
}
if (g.session.explosion_karma && g_local_player
&& math::distance_between_vectors({posX, posY, posZ}, *g_local_player->m_navigation->get_position()) < 3.0f)
{
int id = player->m_player_id;
g_fiber_pool->queue_job([id, explosionType, damageScale, cameraShake, isAudible, isInvisible] {
toxic::blame_explode_player(g_player_service->get_self(), g_player_service->get_by_id(id), explosionType, damageScale, isAudible, isInvisible, cameraShake);
});
}
// clang-format on
}
void hooks::received_event(rage::netEventMgr* event_manager, CNetGamePlayer* source_player, CNetGamePlayer* target_player, uint16_t event_id, int event_index, int event_handled_bitset, int buffer_size, rage::datBitBuffer* buffer)
{
if (event_id > 91u)
{
g_pointers->m_gta.m_send_event_ack(event_manager, source_player, target_player, event_index, event_handled_bitset);
return;
}
const auto event_name = *(char**)((DWORD64)event_manager + 8i64 * event_id + 243376);
if (event_name == nullptr || source_player == nullptr || source_player->m_player_id < 0 || source_player->m_player_id >= 32)
{
g_pointers->m_gta.m_send_event_ack(event_manager, source_player, target_player, event_index, event_handled_bitset);
return;
}
auto plyr = g_player_service->get_by_id(source_player->m_player_id);
if (plyr && plyr->block_net_events)
{
g_pointers->m_gta.m_send_event_ack(event_manager, source_player, target_player, event_index, event_handled_bitset);
return;
}
switch (static_cast(event_id))
{
case eNetworkEvents::KICK_VOTES_EVENT:
{
uint32_t player_bitfield = buffer->Read(32);
if (player_bitfield & (1 << target_player->m_player_id))
{
g.reactions.kick_vote.process(plyr);
}
buffer->Seek(0);
break;
}
case eNetworkEvents::NETWORK_INCREMENT_STAT_EVENT:
{
const auto increment_stat_event = std::make_unique();
buffer->ReadDword(&increment_stat_event->m_stat, 0x20);
buffer->ReadDword(&increment_stat_event->m_amount, 0x20);
if (hooks::increment_stat_event(increment_stat_event.get(), source_player))
{
g_pointers->m_gta.m_send_event_ack(event_manager, source_player, target_player, event_index, event_handled_bitset);
return;
}
buffer->Seek(0);
break;
}
case eNetworkEvents::SCRIPT_ENTITY_STATE_CHANGE_EVENT:
{
uint16_t entity = buffer->Read(13);
auto type = buffer->Read(4);
uint32_t unk = buffer->Read(32);
if (type == ScriptEntityChangeType::SettingOfTaskVehicleTempAction)
{
uint16_t ped_id = buffer->Read(13);
uint32_t action = buffer->Read(8);
if ((action >= 15 && action <= 18) || action == 33)
{
g_pointers->m_gta.m_send_event_ack(event_manager, source_player, target_player, event_index, event_handled_bitset);
notify::crash_blocked(source_player, "vehicle temp action");
return;
}
}
else if (type > ScriptEntityChangeType::SetVehicleExclusiveDriver || type < ScriptEntityChangeType::BlockingOfNonTemporaryEvents)
{
notify::crash_blocked(source_player, "invalid script entity change type");
g_pointers->m_gta.m_send_event_ack(event_manager, source_player, target_player, event_index, event_handled_bitset);
return;
}
buffer->Seek(0);
break;
}
case eNetworkEvents::SCRIPTED_GAME_EVENT:
{
const auto scripted_game_event = std::make_unique();
buffer->ReadDword(&scripted_game_event->m_args_size, 32);
if (scripted_game_event->m_args_size - 1 <= 0x1AF)
buffer->ReadArray(&scripted_game_event->m_args, 8 * scripted_game_event->m_args_size);
if (hooks::scripted_game_event(scripted_game_event.get(), source_player))
{
g_pointers->m_gta.m_send_event_ack(event_manager, source_player, target_player, event_index, event_handled_bitset);
return;
}
buffer->Seek(0);
break;
}
case eNetworkEvents::NETWORK_CLEAR_PED_TASKS_EVENT:
{
int net_id = buffer->Read(13);
if (g_local_player && g_local_player->m_net_object && g_local_player->m_net_object->m_object_id == net_id)
{
g_pointers->m_gta.m_send_event_ack(event_manager, source_player, target_player, event_index, event_handled_bitset);
g.reactions.clear_ped_tasks.process(plyr);
return;
}
buffer->Seek(0);
break;
}
case eNetworkEvents::RAGDOLL_REQUEST_EVENT:
{
int net_id = buffer->Read(13);
if (g_local_player && g_local_player->m_net_object && g_local_player->m_net_object->m_object_id == net_id)
{
g_pointers->m_gta.m_send_event_ack(event_manager, source_player, target_player, event_index, event_handled_bitset);
g.reactions.remote_ragdoll.process(plyr);
return;
}
buffer->Seek(0);
break;
}
// Don't block this event, we still want to report this player
// because if we still report others, our account seems less fishy
case eNetworkEvents::REPORT_CASH_SPAWN_EVENT:
{
uint32_t money;
buffer->Seek(64);
buffer->ReadDword(&money, 32);
buffer->Seek(0);
if (money >= 2000)
{
g.reactions.report_cash_spawn.process(plyr);
}
break;
}
// player sending this event is a modder
case eNetworkEvents::REPORT_MYSELF_EVENT:
{
if (auto plyr = g_player_service->get_by_id(source_player->m_player_id))
session::add_infraction(plyr, Infraction::TRIGGERED_ANTICHEAT);
g.reactions.game_anti_cheat_modder_detection.process(plyr);
break;
}
case eNetworkEvents::REQUEST_CONTROL_EVENT:
{
auto net_id = buffer->Read(13);
if (g_local_player && g_local_player->m_vehicle && g_local_player->m_vehicle->m_net_object
&& g_local_player->m_vehicle->m_net_object->m_object_id == net_id) //The request is for a vehicle we are currently in.
{
Vehicle personal_vehicle = mobile::mechanic::get_personal_vehicle();
Vehicle veh = g_pointers->m_gta.m_ptr_to_handle(g_local_player->m_vehicle);
if (!NETWORK::NETWORK_IS_ACTIVITY_SESSION() //If we're in Freemode.
|| personal_vehicle == veh //Or we're in our personal vehicle.
|| self::spawned_vehicles.contains(net_id)) // Or it's a vehicle we spawned.
{
if (g_local_player->m_vehicle->m_driver != source_player->m_player_info->m_ped) //This will block hackers who are not in the car but still want control.
{
g_pointers->m_gta.m_send_event_ack(event_manager, source_player, target_player, event_index, event_handled_bitset); // Tell them to get bent.
g.reactions.request_control_event.process(plyr);
return;
}
}
}
buffer->Seek(0);
break;
}
case eNetworkEvents::SCRIPT_WORLD_STATE_EVENT:
{
auto type = buffer->Read(4);
buffer->Read(1);
CGameScriptId id;
script_id_deserialize(id, *buffer);
if (type == WorldStateDataType::Rope)
{
buffer->Read(9); // network rope id
buffer->Read(19); // pos x
buffer->Read(19); // pos y
buffer->Read(19); // pos z
buffer->Read(19); // rot x
buffer->Read(19); // rot y
buffer->Read(19); // rot z
buffer->Read(16); // length
int type = buffer->Read(4);
float initial_length = buffer->Read(16);
float min_length = buffer->Read(16);
if (type == 0 || initial_length < min_length) // https://docs.fivem.net/natives/?_0xE832D760399EB220
{
notify::crash_blocked(source_player, "rope");
g_pointers->m_gta.m_send_event_ack(event_manager, source_player, target_player, event_index, event_handled_bitset);
return;
}
}
else if (type == WorldStateDataType::PopGroupOverride)
{
int pop_schedule = buffer->ReadSigned(8); // Pop Schedule
int pop_group = buffer->Read(32); // Pop Group
int percentage = buffer->Read(7); // Percentage
if (pop_group == 0 && (percentage == 0 || percentage == 103))
{
notify::crash_blocked(source_player, "pop group override");
g_pointers->m_gta.m_send_event_ack(event_manager, source_player, target_player, event_index, event_handled_bitset);
return;
}
}
else if (type > WorldStateDataType::VehiclePlayerLocking || type < WorldStateDataType::CarGen)
{
notify::crash_blocked(source_player, "invalid world state type");
g_pointers->m_gta.m_send_event_ack(event_manager, source_player, target_player, event_index, event_handled_bitset);
return;
}
else if (type == WorldStateDataType::PopMultiplierArea && g.protections.stop_traffic && !NETWORK::NETWORK_IS_ACTIVITY_SESSION())
{
g_pointers->m_gta.m_send_event_ack(event_manager, source_player, target_player, event_index, event_handled_bitset);
return;
}
buffer->Seek(0);
break;
}
case eNetworkEvents::REMOVE_WEAPON_EVENT:
{
std::int16_t net_id = buffer->Read(13);
Hash hash = buffer->Read(32);
if (hash == "WEAPON_UNARMED"_J)
{
notify::crash_blocked(source_player, "remove unarmed");
g_pointers->m_gta.m_send_event_ack(event_manager, source_player, target_player, event_index, event_handled_bitset);
return;
}
if (g_local_player && g_local_player->m_net_object && g_local_player->m_net_object->m_object_id == net_id)
{
weapon_item weapon = g_gta_data_service->weapon_by_hash(hash);
g_notification_service.push_warning("PROTECTIONS"_T.data(),
std::format("{} {} {}.", source_player->get_name(), "REMOVE_WEAPON_ATTEMPT_MESSAGE"_T, weapon.m_display_name));
g_pointers->m_gta.m_send_event_ack(event_manager, source_player, target_player, event_index, event_handled_bitset);
return;
}
buffer->Seek(0);
break;
}
case eNetworkEvents::GIVE_WEAPON_EVENT:
{
std::int16_t net_id = buffer->Read(13);
Hash hash = buffer->Read(32);
if (g_local_player && g_local_player->m_net_object && g_local_player->m_net_object->m_object_id == net_id)
{
weapon_item weapon = g_gta_data_service->weapon_by_hash(hash);
g_notification_service.push_warning("PROTECTIONS"_T.data(),
std::format("{} {} {}.", source_player->get_name(), "GIVE_WEAPON_ATTEMPT_MESSAGE"_T, weapon.m_display_name));
g_pointers->m_gta.m_send_event_ack(event_manager, source_player, target_player, event_index, event_handled_bitset);
return;
}
buffer->Seek(0);
break;
}
case eNetworkEvents::GIVE_CONTROL_EVENT:
{
uint32_t timestamp = buffer->Read(32);
int count = buffer->Read(2);
bool all_objects_migrate_together = buffer->Read(1);
eNetObjType sync_type;
if (count > 3)
{
count = 3;
}
for (int i = 0; i < count; i++)
{
int net_id = buffer->Read(13);
eNetObjType object_type = buffer->Read(4);
int migration_type = buffer->Read(3);
if (object_type < eNetObjType::NET_OBJ_TYPE_AUTOMOBILE || object_type > eNetObjType::NET_OBJ_TYPE_TRAIN)
{
notify::crash_blocked(source_player, "out of bounds give control type");
g_pointers->m_gta.m_send_event_ack(event_manager, source_player, target_player, event_index, event_handled_bitset);
return;
}
sync_type = object_type;
}
buffer->Seek(0);
if (count)
{
g.m_syncing_player = source_player;
g.m_syncing_object_type = sync_type;
}
break;
}
case eNetworkEvents::NETWORK_PLAY_SOUND_EVENT:
{
if (plyr && plyr->m_play_sound_rate_limit.process())
{
if (plyr->m_play_sound_rate_limit.exceeded_last_process())
{
notify::crash_blocked(source_player, "sound spam");
}
g_pointers->m_gta.m_send_event_ack(event_manager, source_player, target_player, event_index, event_handled_bitset);
return;
}
bool is_entity = buffer->Read(1);
std::int16_t entity_net_id;
rage::fvector3 position;
uint32_t ref_hash;
if (is_entity)
entity_net_id = buffer->Read(13);
else
{
position.x = buffer->ReadSignedFloat(19, 1337.0f);
position.y = buffer->ReadSignedFloat(19, 1337.0f);
position.z = buffer->ReadFloat(19, 1337.0f);
}
bool has_ref = buffer->Read(1);
if (has_ref)
ref_hash = buffer->Read(32);
uint32_t sound_hash = buffer->Read(32);
if (sound_hash == "Remote_Ring"_J && plyr)
{
g.reactions.sound_spam.process(plyr);
return;
}
buffer->Seek(0);
break;
}
case eNetworkEvents::EXPLOSION_EVENT:
{
if (plyr && plyr->block_explosions)
{
g_pointers->m_gta.m_send_event_ack(event_manager, source_player, target_player, event_index, event_handled_bitset);
return;
}
scan_explosion_event(source_player, buffer);
break;
}
case eNetworkEvents::WEAPON_DAMAGE_EVENT:
{
if (scan_weapon_damage_event(event_manager, source_player, target_player, event_index, event_handled_bitset, buffer))
{
return;
}
break;
}
default: break;
}
return g_hooking->get_original()(event_manager, source_player, target_player, event_id, event_index, event_handled_bitset, buffer_size, buffer);
}
}