void RandomPlayerbotMgr::RandomTeleport(Player* bot, vector<WorldLocation> &locs)
{
if (bot->IsBeingTeleported())
return;
if (locs.empty())
{
sLog.outError("Cannot teleport bot %s - no locations available", bot->GetName());
return;
}
for (int attemtps = 0; attemtps < 10; ++attemtps)
{
int index = urand(0, locs.size() - 1);
WorldLocation loc = locs[index];
float x = loc.coord_x + urand(0, sPlayerbotAIConfig.grindDistance) - sPlayerbotAIConfig.grindDistance / 2;
float y = loc.coord_y + urand(0, sPlayerbotAIConfig.grindDistance) - sPlayerbotAIConfig.grindDistance / 2;
float z = loc.coord_z;
Map* map = sMapMgr.FindMap(loc.mapid);
if (!map)
continue;
const TerrainInfo * terrain = map->GetTerrain();
if (!terrain)
continue;
AreaTableEntry const* area = sAreaStore.LookupEntry(terrain->GetAreaId(x, y, z));
if (!area)
continue;
if (!terrain->IsOutdoors(x, y, z) ||
terrain->IsUnderWater(x, y, z) ||
terrain->IsInWater(x, y, z))
continue;
sLog.outDetail("Random teleporting bot %s to %s %f,%f,%f", bot->GetName(), area->area_name[0], x, y, z);
float height = map->GetTerrain()->GetHeightStatic(x, y, 0.5f + z, true, MAX_HEIGHT);
if (height <= INVALID_HEIGHT)
continue;
z = 0.05f + map->GetTerrain()->GetHeightStatic(x, y, 0.05f + z, true, MAX_HEIGHT);
bot->GetMotionMaster()->Clear();
bot->TeleportTo(loc.mapid, x, y, z, 0);
return;
}
sLog.outError("Cannot teleport bot %s - no locations available", bot->GetName());
}
void WorldSession::HandleMovementOpcodes( WorldPacket & recv_data )
{
uint32 opcode = recv_data.GetOpcode();
DEBUG_LOG("WORLD: Recvd %s (%u, 0x%X) opcode", LookupOpcodeName(opcode), opcode, opcode);
recv_data.hexlike();
Unit *mover = _player->GetMover();
Player *plMover = mover->GetTypeId() == TYPEID_PLAYER ? (Player*)mover : NULL;
// ignore, waiting processing in WorldSession::HandleMoveWorldportAckOpcode and WorldSession::HandleMoveTeleportAck
if(plMover && plMover->IsBeingTeleported())
{
recv_data.rpos(recv_data.wpos()); // prevent warnings spam
return;
}
/* extract packet */
ObjectGuid guid;
MovementInfo movementInfo;
recv_data >> guid.ReadAsPacked();
recv_data >> movementInfo;
/*----------------*/
if (!VerifyMovementInfo(movementInfo, guid))
return;
// fall damage generation (ignore in flight case that can be triggered also at lags in moment teleportation to another map).
if (opcode == MSG_MOVE_FALL_LAND && plMover && !plMover->IsTaxiFlying())
plMover->HandleFall(movementInfo);
// ---- anti-cheat features -->>>
uint32 Anti_TeleTimeDiff=plMover ? time(NULL) - plMover->Anti__GetLastTeleTime() : time(NULL);
static const uint32 Anti_TeleTimeIgnoreDiff=sWorld.GetMvAnticheatIgnoreAfterTeleport();
if (plMover && (plMover->m_transport == 0) && sWorld.GetMvAnticheatEnable() &&
GetPlayer()->GetSession()->GetSecurity() <= sWorld.GetMvAnticheatGmLevel() &&
GetPlayer()->GetMotionMaster()->GetCurrentMovementGeneratorType()!=FLIGHT_MOTION_TYPE &&
Anti_TeleTimeDiff>Anti_TeleTimeIgnoreDiff)
{
const uint32 CurTime=getMSTime();
if (getMSTimeDiff(GetPlayer()->m_anti_lastalarmtime,CurTime) > sWorld.GetMvAnticheatAlarmPeriod())
{
GetPlayer()->m_anti_alarmcount = 0;
}
/* I really don't care about movement-type yet (todo)
UnitMoveType move_type;
if (movementInfo.flags & MOVEMENTFLAG_FLYING) move_type = MOVE_FLY;
else if (movementInfo.flags & MOVEMENTFLAG_SWIMMING) move_type = MOVE_SWIM;
else if (movementInfo.flags & MOVEMENTFLAG_WALK_MODE) move_type = MOVE_WALK;
else move_type = MOVE_RUN;*/
float delta_x = GetPlayer()->GetPositionX() - movementInfo.GetPos()->x;
float delta_y = GetPlayer()->GetPositionY() - movementInfo.GetPos()->y;
float delta_z = GetPlayer()->GetPositionZ() - movementInfo.GetPos()->z;
float delta = sqrt(delta_x * delta_x + delta_y * delta_y); // Len of movement-vector via Pythagoras (a^2+b^2=Len^2)
float tg_z = 0.0f; //tangens
float delta_t = getMSTimeDiff(GetPlayer()->m_anti_lastmovetime,CurTime);
GetPlayer()->m_anti_lastmovetime = CurTime;
GetPlayer()->m_anti_MovedLen += delta;
if (delta_t > 15000.0f)
{ delta_t = 15000.0f; }
// Tangens of walking angel
if (!(movementInfo.GetMovementFlags() & (MOVEFLAG_FLYING | MOVEFLAG_SWIMMING)))
{
tg_z = ((delta !=0.0f) && (delta_z > 0.0f)) ? (atan((delta_z*delta_z) / delta) * 180.0f / M_PI) : 0.0f;
}
//antiOFF fall-damage, MOVEMENTFLAG_UNK4 seted by client if player try movement when falling and unset in this case the MOVEMENTFLAG_FALLING flag.
if ((!GetPlayer()->CanFly() && GetPlayer()->m_anti_BeginFallZ == INVALID_HEIGHT) &&
(movementInfo.GetMovementFlags() & (MOVEFLAG_FALLING | MOVEFLAG_FALLINGFAR)) != 0)
{
GetPlayer()->m_anti_BeginFallZ=(float)(movementInfo.GetPos()->z);
}
if (GetPlayer()->m_anti_NextLenCheck <= CurTime)
{
// Check every 500ms is a lot more advisable then 1000ms, because normal movment packet arrives every 500ms
uint32 OldNextLenCheck=GetPlayer()->m_anti_NextLenCheck;
float delta_xyt=GetPlayer()->m_anti_MovedLen/(float)(getMSTimeDiff(OldNextLenCheck-500,CurTime));
GetPlayer()->m_anti_NextLenCheck = CurTime+500;
GetPlayer()->m_anti_MovedLen = 0.0f;
static const float MaxDeltaXYT = sWorld.GetMvAnticheatMaxXYT();
if (delta_xyt > MaxDeltaXYT && delta<=100.0f && GetPlayer()->GetZoneId() != 2257)
{
if (sWorld.GetMvAnticheatSpeedCheck())
Anti__CheatOccurred(CurTime,"Speed hack",delta_xyt,LookupOpcodeName(opcode),
(float)(GetPlayer()->GetMotionMaster()->GetCurrentMovementGeneratorType()),
(float)(getMSTimeDiff(OldNextLenCheck-500,CurTime)));
}
}
if (delta > 100.0f && GetPlayer()->GetZoneId() != 2257)
{
if (sWorld.GetMvAnticheatTeleportCheck())
Anti__ReportCheat("Tele hack",delta,LookupOpcodeName(opcode));
}
// Check for waterwalking . Fix new way of checking for waterwalking by Darky88
if (movementInfo.HasMovementFlag(MOVEFLAG_WATERWALKING) &&
!(GetPlayer()->HasAuraType(SPELL_AURA_WATER_WALK) || GetPlayer()->HasAuraType(SPELL_AURA_GHOST)))
{
if(sWorld.GetMvAnticheatWaterCheck())
Anti__CheatOccurred(CurTime,"Water walking",0.0f,NULL,0.0f,(uint32)(movementInfo.GetMovementFlags()));
}
// Check for walking upwards a mountain while not beeing able to do that, New check by Darky88
if ((delta_z < -2.3f) && (tg_z > 2.37f))
{
if (sWorld.GetMvAnticheatMountainCheck())
Anti__CheatOccurred(CurTime,"Mountain hack",tg_z,NULL,delta,delta_z);
}
static const float DIFF_OVERGROUND = 10.0f;
float Anti__GroundZ = GetPlayer()->GetTerrain()->GetHeight(GetPlayer()->GetPositionX(),GetPlayer()->GetPositionY(),MAX_HEIGHT);
float Anti__FloorZ = GetPlayer()->GetTerrain()->GetHeight(GetPlayer()->GetPositionX(),GetPlayer()->GetPositionY(),GetPlayer()->GetPositionZ());
float Anti__MapZ = ((Anti__FloorZ <= (INVALID_HEIGHT+5.0f)) ? Anti__GroundZ : Anti__FloorZ) + DIFF_OVERGROUND;
if (!GetPlayer()->CanFly() &&
!GetPlayer()->GetTerrain()->IsUnderWater(movementInfo.GetPos()->x, movementInfo.GetPos()->y, movementInfo.GetPos()->z-7.0f) &&
Anti__MapZ < GetPlayer()->GetPositionZ() && Anti__MapZ > (INVALID_HEIGHT+DIFF_OVERGROUND + 5.0f))
{
static const float DIFF_AIRJUMP=25.0f; // 25 is realy high, but to many false positives...
// Air-Jump-Detection definitively needs a better way to be detected...
if ((movementInfo.GetMovementFlags() & (MOVEFLAG_CAN_FLY | MOVEFLAG_FLYING | MOVEFLAG_ROOT)) != 0) // Fly Hack
{
// Fix Aura 55164
if (!GetPlayer()->HasAura(55164) || !GetPlayer()->HasAuraType(SPELL_AURA_FEATHER_FALL))
if (sWorld.GetMvAnticheatFlyCheck())
Anti__CheatOccurred(CurTime,"Fly hack",
((uint8)(GetPlayer()->HasAuraType(SPELL_AURA_FLY))) +
((uint8)(GetPlayer()->HasAuraType(SPELL_AURA_MOD_FLIGHT_SPEED_MOUNTED))*2),
NULL,GetPlayer()->GetPositionZ()-Anti__MapZ);
}
// Need a better way to do that - currently a lot of fake alarms
else if ((Anti__MapZ+DIFF_AIRJUMP < GetPlayer()->GetPositionZ() &&
(movementInfo.GetMovementFlags() & (MOVEFLAG_FALLINGFAR | MOVEFLAG_PENDINGSTOP))==0) ||
(Anti__MapZ < GetPlayer()->GetPositionZ() && opcode==MSG_MOVE_JUMP) &&
!GetPlayer()->HasAuraType(SPELL_AURA_FEATHER_FALL))
{
if (sWorld.GetMvAnticheatJumpCheck())
Anti__CheatOccurred(CurTime,"Possible Air Jump Hack",0.0f,LookupOpcodeName(opcode),0.0f,movementInfo.GetMovementFlags());
}
}
/*if(Anti__FloorZ < -199900.0f && Anti__GroundZ >= -199900.0f &&
GetPlayer()->GetPositionZ()+5.0f < Anti__GroundZ)
{
Anti__CheatOccurred(CurTime,"Teleport2Plane hack",
GetPlayer()->GetPositionZ(),NULL,Anti__GroundZ);
}*/
//Teleport To Plane checks
if (movementInfo.GetPos()->z < 0.0001f && movementInfo.GetPos()->z > -0.0001f && (!movementInfo.HasMovementFlag(MovementFlags(MOVEFLAG_SWIMMING | MOVEFLAG_CAN_FLY | MOVEFLAG_FLYING))))
{
if(sWorld.GetMvAnticheatTeleport2PlaneCheck())
{
// Prevent using TeleportToPlan.
Map *map = GetPlayer()->GetMap();
if (map)
{
float plane_z = map->GetTerrain()->GetHeight(movementInfo.GetPos()->x, movementInfo.GetPos()->y, MAX_HEIGHT) - movementInfo.GetPos()->z;
plane_z = (plane_z < -500.0f) ? 0 : plane_z; //check holes in heigth map
if(plane_z > 0.1f || plane_z < -0.1f)
{
if(sWorld.GetMvAnticheatTeleport2PlaneCheck())
Anti__CheatOccurred(CurTime,"Teleport2Plane hack",GetPlayer()->GetPositionZ(),NULL,plane_z);
}
}
}
}
}
// <<---- anti-cheat features
/* process position-change */
HandleMoverRelocation(movementInfo);
if (plMover)
plMover->UpdateFallInformationIfNeed(movementInfo, opcode);
// after move info set
if (opcode == MSG_MOVE_SET_WALK_MODE || opcode == MSG_MOVE_SET_RUN_MODE)
mover->UpdateWalkMode(mover, false);
WorldPacket data(opcode, recv_data.size());
data << mover->GetPackGUID(); // write guid
movementInfo.Write(data); // write data
mover->SendMessageToSetExcept(&data, _player);
}