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Diffstat (limited to 'src/server/game/Handlers/MovementHandler.cpp')
-rwxr-xr-x | src/server/game/Handlers/MovementHandler.cpp | 573 |
1 files changed, 573 insertions, 0 deletions
diff --git a/src/server/game/Handlers/MovementHandler.cpp b/src/server/game/Handlers/MovementHandler.cpp new file mode 100755 index 00000000000..7d1233c8f70 --- /dev/null +++ b/src/server/game/Handlers/MovementHandler.cpp @@ -0,0 +1,573 @@ +/* + * Copyright (C) 2008-2012 TrinityCore <http://www.trinitycore.org/> + * Copyright (C) 2005-2009 MaNGOS <http://getmangos.com/> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along + * with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include "Common.h" +#include "WorldPacket.h" +#include "WorldSession.h" +#include "Opcodes.h" +#include "Log.h" +#include "Corpse.h" +#include "Player.h" +#include "SpellAuras.h" +#include "MapManager.h" +#include "Transport.h" +#include "Battleground.h" +#include "WaypointMovementGenerator.h" +#include "InstanceSaveMgr.h" +#include "ObjectMgr.h" + +void WorldSession::HandleMoveWorldportAckOpcode(WorldPacket & /*recv_data*/) +{ + sLog->outDebug(LOG_FILTER_NETWORKIO, "WORLD: got MSG_MOVE_WORLDPORT_ACK."); + HandleMoveWorldportAckOpcode(); +} + +void WorldSession::HandleMoveWorldportAckOpcode() +{ + // ignore unexpected far teleports + if (!GetPlayer()->IsBeingTeleportedFar()) + return; + + GetPlayer()->SetSemaphoreTeleportFar(false); + + // get the teleport destination + WorldLocation &loc = GetPlayer()->GetTeleportDest(); + + // possible errors in the coordinate validity check + if (!MapManager::IsValidMapCoord(loc)) + { + LogoutPlayer(false); + return; + } + + // get the destination map entry, not the current one, this will fix homebind and reset greeting + MapEntry const* mEntry = sMapStore.LookupEntry(loc.GetMapId()); + InstanceTemplate const* mInstance = sObjectMgr->GetInstanceTemplate(loc.GetMapId()); + + // reset instance validity, except if going to an instance inside an instance + if (GetPlayer()->m_InstanceValid == false && !mInstance) + GetPlayer()->m_InstanceValid = true; + + Map* oldMap = GetPlayer()->GetMap(); + ASSERT(oldMap); + if (GetPlayer()->IsInWorld()) + { + sLog->outCrash("Player (Name %s) is still in world when teleported from map %u to new map %u", GetPlayer()->GetName(), oldMap->GetId(), loc.GetMapId()); + oldMap->RemovePlayerFromMap(GetPlayer(), false); + } + + // relocate the player to the teleport destination + Map* newMap = sMapMgr->CreateMap(loc.GetMapId(), GetPlayer()); + // the CanEnter checks are done in TeleporTo but conditions may change + // while the player is in transit, for example the map may get full + if (!newMap || !newMap->CanEnter(GetPlayer())) + { + sLog->outError("Map %d could not be created for player %d, porting player to homebind", loc.GetMapId(), GetPlayer()->GetGUIDLow()); + GetPlayer()->TeleportTo(GetPlayer()->m_homebindMapId, GetPlayer()->m_homebindX, GetPlayer()->m_homebindY, GetPlayer()->m_homebindZ, GetPlayer()->GetOrientation()); + return; + } + else + GetPlayer()->Relocate(&loc); + + GetPlayer()->ResetMap(); + GetPlayer()->SetMap(newMap); + + GetPlayer()->SendInitialPacketsBeforeAddToMap(); + if (!GetPlayer()->GetMap()->AddPlayerToMap(GetPlayer())) + { + sLog->outError("WORLD: failed to teleport player %s (%d) to map %d because of unknown reason!", GetPlayer()->GetName(), GetPlayer()->GetGUIDLow(), loc.GetMapId()); + GetPlayer()->ResetMap(); + GetPlayer()->SetMap(oldMap); + GetPlayer()->TeleportTo(GetPlayer()->m_homebindMapId, GetPlayer()->m_homebindX, GetPlayer()->m_homebindY, GetPlayer()->m_homebindZ, GetPlayer()->GetOrientation()); + return; + } + + // battleground state prepare (in case join to BG), at relogin/tele player not invited + // only add to bg group and object, if the player was invited (else he entered through command) + if (_player->InBattleground()) + { + // cleanup setting if outdated + if (!mEntry->IsBattlegroundOrArena()) + { + // We're not in BG + _player->SetBattlegroundId(0, BATTLEGROUND_TYPE_NONE); + // reset destination bg team + _player->SetBGTeam(0); + } + // join to bg case + else if (Battleground* bg = _player->GetBattleground()) + { + if (_player->IsInvitedForBattlegroundInstance(_player->GetBattlegroundId())) + bg->AddPlayer(_player); + } + } + + GetPlayer()->SendInitialPacketsAfterAddToMap(); + + // flight fast teleport case + if (GetPlayer()->GetMotionMaster()->GetCurrentMovementGeneratorType() == FLIGHT_MOTION_TYPE) + { + if (!_player->InBattleground()) + { + // short preparations to continue flight + FlightPathMovementGenerator* flight = (FlightPathMovementGenerator*)(GetPlayer()->GetMotionMaster()->top()); + flight->Initialize(*GetPlayer()); + return; + } + + // battleground state prepare, stop flight + GetPlayer()->GetMotionMaster()->MovementExpired(); + GetPlayer()->CleanupAfterTaxiFlight(); + } + + // resurrect character at enter into instance where his corpse exist after add to map + Corpse* corpse = GetPlayer()->GetCorpse(); + if (corpse && corpse->GetType() != CORPSE_BONES && corpse->GetMapId() == GetPlayer()->GetMapId()) + { + if (mEntry->IsDungeon()) + { + GetPlayer()->ResurrectPlayer(0.5f, false); + GetPlayer()->SpawnCorpseBones(); + } + } + + bool allowMount = !mEntry->IsDungeon() || mEntry->IsBattlegroundOrArena(); + if (mInstance) + { + Difficulty diff = GetPlayer()->GetDifficulty(mEntry->IsRaid()); + if (MapDifficulty const* mapDiff = GetMapDifficultyData(mEntry->MapID, diff)) + { + if (mapDiff->resetTime) + { + if (time_t timeReset = sInstanceSaveMgr->GetResetTimeFor(mEntry->MapID, diff)) + { + uint32 timeleft = uint32(timeReset - time(NULL)); + GetPlayer()->SendInstanceResetWarning(mEntry->MapID, diff, timeleft); + } + } + } + allowMount = mInstance->AllowMount; + } + + // mount allow check + if (!allowMount) + _player->RemoveAurasByType(SPELL_AURA_MOUNTED); + + // update zone immediately, otherwise leave channel will cause crash in mtmap + uint32 newzone, newarea; + GetPlayer()->GetZoneAndAreaId(newzone, newarea); + GetPlayer()->UpdateZone(newzone, newarea); + + // honorless target + if (GetPlayer()->pvpInfo.inHostileArea) + GetPlayer()->CastSpell(GetPlayer(), 2479, true); + + // in friendly area + else if (GetPlayer()->IsPvP() && !GetPlayer()->HasFlag(PLAYER_FLAGS, PLAYER_FLAGS_IN_PVP)) + GetPlayer()->UpdatePvP(false, false); + + // resummon pet + GetPlayer()->ResummonPetTemporaryUnSummonedIfAny(); + + //lets process all delayed operations on successful teleport + GetPlayer()->ProcessDelayedOperations(); +} + +void WorldSession::HandleMoveTeleportAck(WorldPacket& recv_data) +{ + sLog->outDebug(LOG_FILTER_NETWORKIO, "MSG_MOVE_TELEPORT_ACK"); + uint64 guid; + + recv_data.readPackGUID(guid); + + uint32 flags, time; + recv_data >> flags >> time; + sLog->outStaticDebug("Guid " UI64FMTD, guid); + sLog->outStaticDebug("Flags %u, time %u", flags, time/IN_MILLISECONDS); + + Unit* mover = _player->m_mover; + Player* plMover = mover->GetTypeId() == TYPEID_PLAYER ? (Player*)mover : NULL; + + if (!plMover || !plMover->IsBeingTeleportedNear()) + return; + + if (guid != plMover->GetGUID()) + return; + + plMover->SetSemaphoreTeleportNear(false); + + uint32 old_zone = plMover->GetZoneId(); + + WorldLocation const& dest = plMover->GetTeleportDest(); + + plMover->UpdatePosition(dest, true); + + uint32 newzone, newarea; + plMover->GetZoneAndAreaId(newzone, newarea); + plMover->UpdateZone(newzone, newarea); + + // new zone + if (old_zone != newzone) + { + // honorless target + if (plMover->pvpInfo.inHostileArea) + plMover->CastSpell(plMover, 2479, true); + + // in friendly area + else if (plMover->IsPvP() && !plMover->HasFlag(PLAYER_FLAGS, PLAYER_FLAGS_IN_PVP)) + plMover->UpdatePvP(false, false); + } + + // resummon pet + GetPlayer()->ResummonPetTemporaryUnSummonedIfAny(); + + //lets process all delayed operations on successful teleport + GetPlayer()->ProcessDelayedOperations(); +} + +void WorldSession::HandleMovementOpcodes(WorldPacket & recv_data) +{ + uint16 opcode = recv_data.GetOpcode(); + + Unit* mover = _player->m_mover; + + ASSERT(mover != NULL); // there must always be a mover + + Player* plMover = mover->GetTypeId() == TYPEID_PLAYER ? (Player*)mover : NULL; + + // ignore, waiting processing in WorldSession::HandleMoveWorldportAckOpcode and WorldSession::HandleMoveTeleportAck + if (plMover && plMover->IsBeingTeleported()) + { + recv_data.rfinish(); // prevent warnings spam + return; + } + + /* extract packet */ + uint64 guid; + + recv_data.readPackGUID(guid); + + MovementInfo movementInfo; + movementInfo.guid = guid; + ReadMovementInfo(recv_data, &movementInfo); + + recv_data.rfinish(); // prevent warnings spam + + // prevent tampered movement data + if (guid != mover->GetGUID()) + return; + + if (!movementInfo.pos.IsPositionValid()) + { + recv_data.rfinish(); // prevent warnings spam + return; + } + + /* handle special cases */ + if (movementInfo.flags & MOVEMENTFLAG_ONTRANSPORT) + { + // transports size limited + // (also received at zeppelin leave by some reason with t_* as absolute in continent coordinates, can be safely skipped) + if (movementInfo.t_pos.GetPositionX() > 50 || movementInfo.t_pos.GetPositionY() > 50 || movementInfo.t_pos.GetPositionZ() > 50) + { + recv_data.rfinish(); // prevent warnings spam + return; + } + + if (!Trinity::IsValidMapCoord(movementInfo.pos.GetPositionX() + movementInfo.t_pos.GetPositionX(), movementInfo.pos.GetPositionY() + movementInfo.t_pos.GetPositionY(), + movementInfo.pos.GetPositionZ() + movementInfo.t_pos.GetPositionZ(), movementInfo.pos.GetOrientation() + movementInfo.t_pos.GetOrientation())) + { + recv_data.rfinish(); // prevent warnings spam + return; + } + + // if we boarded a transport, add us to it + if (plMover && !plMover->GetTransport()) + { + // elevators also cause the client to send MOVEMENTFLAG_ONTRANSPORT - just dismount if the guid can be found in the transport list + for (MapManager::TransportSet::const_iterator iter = sMapMgr->m_Transports.begin(); iter != sMapMgr->m_Transports.end(); ++iter) + { + if ((*iter)->GetGUID() == movementInfo.t_guid) + { + plMover->m_transport = (*iter); + (*iter)->AddPassenger(plMover); + break; + } + } + } + + if (!mover->GetTransport() && !mover->GetVehicle()) + { + GameObject* go = mover->GetMap()->GetGameObject(movementInfo.t_guid); + if (!go || go->GetGoType() != GAMEOBJECT_TYPE_TRANSPORT) + movementInfo.flags &= ~MOVEMENTFLAG_ONTRANSPORT; + } + } + else if (plMover && plMover->GetTransport()) // if we were on a transport, leave + { + plMover->m_transport->RemovePassenger(plMover); + plMover->m_transport = NULL; + movementInfo.t_pos.Relocate(0.0f, 0.0f, 0.0f, 0.0f); + movementInfo.t_time = 0; + movementInfo.t_seat = -1; + } + + // 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->isInFlight()) + plMover->HandleFall(movementInfo); + + if (plMover && ((movementInfo.flags & MOVEMENTFLAG_SWIMMING) != 0) != plMover->IsInWater()) + { + // now client not include swimming flag in case jumping under water + plMover->SetInWater(!plMover->IsInWater() || plMover->GetBaseMap()->IsUnderWater(movementInfo.pos.GetPositionX(), movementInfo.pos.GetPositionY(), movementInfo.pos.GetPositionZ())); + } + + /*----------------------*/ + + /* process position-change */ + WorldPacket data(opcode, recv_data.size()); + movementInfo.time = getMSTime(); + movementInfo.guid = mover->GetGUID(); + WriteMovementInfo(&data, &movementInfo); + mover->SendMessageToSet(&data, _player); + + mover->m_movementInfo = movementInfo; + + // this is almost never true (not sure why it is sometimes, but it is), normally use mover->IsVehicle() + if (mover->GetVehicle()) + { + mover->SetOrientation(movementInfo.pos.GetOrientation()); + return; + } + + mover->UpdatePosition(movementInfo.pos); + + if (plMover) // nothing is charmed, or player charmed + { + plMover->UpdateFallInformationIfNeed(movementInfo, opcode); + + if (movementInfo.pos.GetPositionZ() < -500.0f) + { + if (!(plMover->InBattleground() + && plMover->GetBattleground() + && plMover->GetBattleground()->HandlePlayerUnderMap(_player))) + { + // NOTE: this is actually called many times while falling + // even after the player has been teleported away + // TODO: discard movement packets after the player is rooted + if (plMover->isAlive()) + { + plMover->EnvironmentalDamage(DAMAGE_FALL_TO_VOID, GetPlayer()->GetMaxHealth()); + // player can be alive if GM/etc + // change the death state to CORPSE to prevent the death timer from + // starting in the next player update + if (!plMover->isAlive()) + plMover->KillPlayer(); + } + } + } + } +} + +void WorldSession::HandleForceSpeedChangeAck(WorldPacket &recv_data) +{ + uint32 opcode = recv_data.GetOpcode(); + sLog->outDebug(LOG_FILTER_NETWORKIO, "WORLD: Recvd %s (%u, 0x%X) opcode", LookupOpcodeName(opcode), opcode, opcode); + + /* extract packet */ + uint64 guid; + uint32 unk1; + float newspeed; + + recv_data.readPackGUID(guid); + + // now can skip not our packet + if (_player->GetGUID() != guid) + { + recv_data.rfinish(); // prevent warnings spam + return; + } + + // continue parse packet + + recv_data >> unk1; // counter or moveEvent + + MovementInfo movementInfo; + movementInfo.guid = guid; + ReadMovementInfo(recv_data, &movementInfo); + + recv_data >> newspeed; + /*----------------*/ + + // client ACK send one packet for mounted/run case and need skip all except last from its + // in other cases anti-cheat check can be fail in false case + UnitMoveType move_type; + UnitMoveType force_move_type; + + static char const* move_type_name[MAX_MOVE_TYPE] = { "Walk", "Run", "RunBack", "Swim", "SwimBack", "TurnRate", "Flight", "FlightBack", "PitchRate" }; + + switch (opcode) + { + case CMSG_FORCE_WALK_SPEED_CHANGE_ACK: move_type = MOVE_WALK; force_move_type = MOVE_WALK; break; + case CMSG_FORCE_RUN_SPEED_CHANGE_ACK: move_type = MOVE_RUN; force_move_type = MOVE_RUN; break; + case CMSG_FORCE_RUN_BACK_SPEED_CHANGE_ACK: move_type = MOVE_RUN_BACK; force_move_type = MOVE_RUN_BACK; break; + case CMSG_FORCE_SWIM_SPEED_CHANGE_ACK: move_type = MOVE_SWIM; force_move_type = MOVE_SWIM; break; + case CMSG_FORCE_SWIM_BACK_SPEED_CHANGE_ACK: move_type = MOVE_SWIM_BACK; force_move_type = MOVE_SWIM_BACK; break; + case CMSG_FORCE_TURN_RATE_CHANGE_ACK: move_type = MOVE_TURN_RATE; force_move_type = MOVE_TURN_RATE; break; + case CMSG_FORCE_FLIGHT_SPEED_CHANGE_ACK: move_type = MOVE_FLIGHT; force_move_type = MOVE_FLIGHT; break; + case CMSG_FORCE_FLIGHT_BACK_SPEED_CHANGE_ACK: move_type = MOVE_FLIGHT_BACK; force_move_type = MOVE_FLIGHT_BACK; break; + case CMSG_FORCE_PITCH_RATE_CHANGE_ACK: move_type = MOVE_PITCH_RATE; force_move_type = MOVE_PITCH_RATE; break; + default: + sLog->outError("WorldSession::HandleForceSpeedChangeAck: Unknown move type opcode: %u", opcode); + return; + } + + // skip all forced speed changes except last and unexpected + // in run/mounted case used one ACK and it must be skipped.m_forced_speed_changes[MOVE_RUN} store both. + if (_player->m_forced_speed_changes[force_move_type] > 0) + { + --_player->m_forced_speed_changes[force_move_type]; + if (_player->m_forced_speed_changes[force_move_type] > 0) + return; + } + + if (!_player->GetTransport() && fabs(_player->GetSpeed(move_type) - newspeed) > 0.01f) + { + if (_player->GetSpeed(move_type) > newspeed) // must be greater - just correct + { + sLog->outError("%sSpeedChange player %s is NOT correct (must be %f instead %f), force set to correct value", + move_type_name[move_type], _player->GetName(), _player->GetSpeed(move_type), newspeed); + _player->SetSpeed(move_type, _player->GetSpeedRate(move_type), true); + } + else // must be lesser - cheating + { + sLog->outBasic("Player %s from account id %u kicked for incorrect speed (must be %f instead %f)", + _player->GetName(), _player->GetSession()->GetAccountId(), _player->GetSpeed(move_type), newspeed); + _player->GetSession()->KickPlayer(); + } + } +} + +void WorldSession::HandleSetActiveMoverOpcode(WorldPacket &recv_data) +{ + sLog->outDebug(LOG_FILTER_NETWORKIO, "WORLD: Recvd CMSG_SET_ACTIVE_MOVER"); + + uint64 guid; + recv_data >> guid; + + if (GetPlayer()->IsInWorld()) + { + if (_player->m_mover->GetGUID() != guid) + sLog->outError("HandleSetActiveMoverOpcode: incorrect mover guid: mover is " UI64FMTD " (%s - Entry: %u) and should be " UI64FMTD, guid, GetLogNameForGuid(guid), GUID_ENPART(guid), _player->m_mover->GetGUID()); + } +} + +void WorldSession::HandleMoveNotActiveMover(WorldPacket &recv_data) +{ + sLog->outDebug(LOG_FILTER_NETWORKIO, "WORLD: Recvd CMSG_MOVE_NOT_ACTIVE_MOVER"); + + uint64 old_mover_guid; + recv_data.readPackGUID(old_mover_guid); + + MovementInfo mi; + mi.guid = old_mover_guid; + ReadMovementInfo(recv_data, &mi); + + _player->m_movementInfo = mi; +} + +void WorldSession::HandleMountSpecialAnimOpcode(WorldPacket& /*recv_data*/) +{ + WorldPacket data(SMSG_MOUNTSPECIAL_ANIM, 8); + data << uint64(GetPlayer()->GetGUID()); + + GetPlayer()->SendMessageToSet(&data, false); +} + +void WorldSession::HandleMoveKnockBackAck(WorldPacket & recv_data) +{ + sLog->outDebug(LOG_FILTER_NETWORKIO, "CMSG_MOVE_KNOCK_BACK_ACK"); + + uint64 guid; + recv_data.readPackGUID(guid); + + if (_player->m_mover->GetGUID() != guid) + return; + + recv_data.read_skip<uint32>(); // unk + + MovementInfo movementInfo; + ReadMovementInfo(recv_data, &movementInfo); + _player->m_movementInfo = movementInfo; + + WorldPacket data(MSG_MOVE_KNOCK_BACK, 66); + data.appendPackGUID(guid); + _player->BuildMovementPacket(&data); + + // knockback specific info + data << movementInfo.j_sinAngle; + data << movementInfo.j_cosAngle; + data << movementInfo.j_xyspeed; + data << movementInfo.j_zspeed; + + _player->SendMessageToSet(&data, false); +} + +void WorldSession::HandleMoveHoverAck(WorldPacket& recv_data) +{ + sLog->outDebug(LOG_FILTER_NETWORKIO, "CMSG_MOVE_HOVER_ACK"); + + uint64 guid; // guid - unused + recv_data.readPackGUID(guid); + + recv_data.read_skip<uint32>(); // unk + + MovementInfo movementInfo; + ReadMovementInfo(recv_data, &movementInfo); + + recv_data.read_skip<uint32>(); // unk2 +} + +void WorldSession::HandleMoveWaterWalkAck(WorldPacket& recv_data) +{ + sLog->outDebug(LOG_FILTER_NETWORKIO, "CMSG_MOVE_WATER_WALK_ACK"); + + uint64 guid; // guid - unused + recv_data.readPackGUID(guid); + + recv_data.read_skip<uint32>(); // unk + + MovementInfo movementInfo; + ReadMovementInfo(recv_data, &movementInfo); + + recv_data.read_skip<uint32>(); // unk2 +} + +void WorldSession::HandleSummonResponseOpcode(WorldPacket& recv_data) +{ + if (!_player->isAlive() || _player->isInCombat()) + return; + + uint64 summoner_guid; + bool agree; + recv_data >> summoner_guid; + recv_data >> agree; + + _player->SummonIfPossible(agree); +} + |