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->m_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.rpos(recv_data.wpos()); // prevent warnings spam
return;
}
/* extract packet */
ObjectGuid guid;
MovementInfo movementInfo;
recv_data >> guid.ReadAsPacked();
recv_data >> movementInfo;
/*----------------*/
if (!MaNGOS::IsValidMapCoord(movementInfo.GetPos()->x, movementInfo.GetPos()->y, movementInfo.GetPos()->z, movementInfo.GetPos()->o))
{
recv_data.rpos(recv_data.wpos()); // prevent warnings spam
return;
}
/* handle special cases */
if (movementInfo.HasMovementFlag(MOVEFLAG_ONTRANSPORT) && !mover->GetVehicleGUID())
{
// transports size limited
// (also received at zeppelin/lift leave by some reason with t_* as absolute in continent coordinates, can be safely skipped)
if( movementInfo.GetTransportPos()->x > 50 || movementInfo.GetTransportPos()->y > 50 || movementInfo.GetTransportPos()->z > 100 )
{
recv_data.rpos(recv_data.wpos()); // prevent warnings spam
return;
}
if( !MaNGOS::IsValidMapCoord(movementInfo.GetPos()->x + movementInfo.GetTransportPos()->x, movementInfo.GetPos()->y + movementInfo.GetTransportPos()->y,
movementInfo.GetPos()->z + movementInfo.GetTransportPos()->z, movementInfo.GetPos()->o + movementInfo.GetTransportPos()->o) )
{
recv_data.rpos(recv_data.wpos()); // prevent warnings spam
return;
}
// if we boarded a transport, add us to it
if (plMover && !plMover->m_transport)
{
// elevators also cause the client to send MOVEFLAG_ONTRANSPORT - just unmount 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)->GetObjectGuid() == movementInfo.GetTransportGuid())
{
plMover->m_transport = (*iter);
(*iter)->AddPassenger(plMover);
break;
}
}
}
}
else if (plMover && plMover->m_transport) // if we were on a transport, leave
{
plMover->m_transport->RemovePassenger(plMover);
plMover->m_transport = NULL;
movementInfo.ClearTransportData();
}
// 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.HasMovementFlag(MOVEFLAG_SWIMMING) != plMover->IsInWater()))
{
// now client not include swimming flag in case jumping under water
plMover->SetInWater( !plMover->IsInWater() || plMover->GetBaseMap()->IsUnderWater(movementInfo.GetPos()->x, movementInfo.GetPos()->y, movementInfo.GetPos()->z) );
}
if (movementInfo.HasMovementFlag(MOVEFLAG_SWIMMING))
{
if(mover->GetTypeId() == TYPEID_UNIT)
{
if(((Creature*)mover)->isVehicle() && !((Creature*)mover)->canSwim())
{
// NOTE : we should enter evade mode here, but...
((Vehicle*)mover)->SetSpawnDuration(1);
}
}
}
/*----------------------*/
/* process position-change */
movementInfo.UpdateTime(getMSTime());
WorldPacket data(opcode, recv_data.size());
data.appendPackGUID(mover->GetGUID()); // write guid
movementInfo.Write(data); // write data
mover->SendMessageToSetExcept(&data, _player);
if(plMover) // nothing is charmed, or player charmed
{
plMover->SetPosition(movementInfo.GetPos()->x, movementInfo.GetPos()->y, movementInfo.GetPos()->z, movementInfo.GetPos()->o);
plMover->m_movementInfo = movementInfo;
plMover->UpdateFallInformationIfNeed(movementInfo, opcode);
// after move info set
if ((opcode == MSG_MOVE_SET_WALK_MODE || opcode == MSG_MOVE_SET_RUN_MODE))
plMover->UpdateWalkMode(plMover, false);
if(plMover->isMovingOrTurning())
plMover->RemoveSpellsCausingAura(SPELL_AURA_FEIGN_DEATH);
if(movementInfo.GetPos()->z < -500.0f)
{
if(plMover->InBattleGround()
&& plMover->GetBattleGround()
&& plMover->GetBattleGround()->HandlePlayerUnderMap(_player))
{
// do nothing, the handle already did if returned true
}
else
{
// 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());
// pl can be alive if GM/etc
if(!plMover->isAlive())
{
// change the death state to CORPSE to prevent the death timer from
// starting in the next player update
plMover->KillPlayer();
plMover->BuildPlayerRepop();
}
}
// cancel the death timer here if started
plMover->RepopAtGraveyard();
}
}
}
else // creature charmed
{
if(mover->IsInWorld())
{
mover->GetMap()->CreatureRelocation((Creature*)mover, movementInfo.GetPos()->x, movementInfo.GetPos()->y, movementInfo.GetPos()->z, movementInfo.GetPos()->o);
if(((Creature*)mover)->isVehicle())
((Vehicle*)mover)->RellocatePassengers(mover->GetMap());
}
}
}
void WorldSession::HandleMovementOpcodes( WorldPacket & recv_data )
{
uint32 opcode = recv_data.GetOpcode();
sLog.outDebug("WORLD: Recvd %s (%u, 0x%X) opcode", LookupOpcodeName(opcode), opcode, opcode);
if(GetPlayer()->GetDontMove())
return;
/* extract packet */
MovementInfo movementInfo;
ReadMovementInfo(recv_data, &movementInfo);
/*----------------*/
if(recv_data.size() != recv_data.rpos())
{
sLog.outError("MovementHandler: player %s (guid %d, account %u) sent a packet (opcode %u) that is %u bytes larger than it should be. Kicked as cheater.", _player->GetName(), _player->GetGUIDLow(), _player->GetSession()->GetAccountId(), recv_data.GetOpcode(), recv_data.size() - recv_data.rpos());
KickPlayer();
return;
}
if (!MaNGOS::IsValidMapCoord(movementInfo.x, movementInfo.y, movementInfo.z, movementInfo.o))
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_x > 50 || movementInfo.t_y > 50 || movementInfo.t_z > 50 )
return;
if( !MaNGOS::IsValidMapCoord(movementInfo.x+movementInfo.t_x, movementInfo.y+movementInfo.t_y,
movementInfo.z+movementInfo.t_z, movementInfo.o+movementInfo.t_o) )
return;
// if we boarded a transport, add us to it
if (!GetPlayer()->m_transport)
{
// elevators also cause the client to send MOVEMENTFLAG_ONTRANSPORT - just unmount if the guid can be found in the transport list
for (MapManager::TransportSet::iterator iter = MapManager::Instance().m_Transports.begin(); iter != MapManager::Instance().m_Transports.end(); ++iter)
{
if ((*iter)->GetGUID() == movementInfo.t_guid)
{
GetPlayer()->m_transport = (*iter);
(*iter)->AddPassenger(GetPlayer());
break;
}
}
}
}
else if (GetPlayer()->m_transport) // if we were on a transport, leave
{
GetPlayer()->m_transport->RemovePassenger(GetPlayer());
GetPlayer()->m_transport = NULL;
movementInfo.t_x = 0.0f;
movementInfo.t_y = 0.0f;
movementInfo.t_z = 0.0f;
movementInfo.t_o = 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 && !GetPlayer()->isInFlight())
GetPlayer()->HandleFall(movementInfo);
if(((movementInfo.flags & MOVEMENTFLAG_SWIMMING) != 0) != GetPlayer()->IsInWater())
{
// now client not include swimming flag in case jumping under water
GetPlayer()->SetInWater( !GetPlayer()->IsInWater() || GetPlayer()->GetBaseMap()->IsUnderWater(movementInfo.x, movementInfo.y, movementInfo.z) );
}
/*----------------------*/
/* process position-change */
Unit *mover = _player->m_mover;
recv_data.put<uint32>(6, getMSTime()); // fix time, offset flags(4) + unk(2)
WorldPacket data(recv_data.GetOpcode(), (mover->GetPackGUID().size()+recv_data.size()));
data.append(_player->m_mover->GetPackGUID()); // use mover guid
data.append(recv_data.contents(), recv_data.size());
GetPlayer()->SendMessageToSet(&data, false);
if(!_player->GetCharmGUID()) // nothing is charmed
{
_player->SetPosition(movementInfo.x, movementInfo.y, movementInfo.z, movementInfo.o);
_player->m_movementInfo = movementInfo;
_player->SetUnitMovementFlags(movementInfo.flags);
}
else
{
if(mover->GetTypeId() != TYPEID_PLAYER) // unit, creature, pet, vehicle...
{
if(Map *map = mover->GetMap())
map->CreatureRelocation((Creature*)mover, movementInfo.x, movementInfo.y, movementInfo.z, movementInfo.o);
mover->SetUnitMovementFlags(movementInfo.flags);
}
else // player
{
((Player*)mover)->SetPosition(movementInfo.x, movementInfo.y, movementInfo.z, movementInfo.o);
((Player*)mover)->m_movementInfo = movementInfo;
((Player*)mover)->SetUnitMovementFlags(movementInfo.flags);
}
}
if (GetPlayer()->m_lastFallTime >= movementInfo.fallTime || GetPlayer()->m_lastFallZ <=movementInfo.z || recv_data.GetOpcode() == MSG_MOVE_FALL_LAND)
GetPlayer()->SetFallInformation(movementInfo.fallTime, movementInfo.z);
if(GetPlayer()->isMovingOrTurning())
GetPlayer()->RemoveSpellsCausingAura(SPELL_AURA_FEIGN_DEATH);
if(movementInfo.z < -500.0f)
{
if(GetPlayer()->InBattleGround()
&& GetPlayer()->GetBattleGround()
&& GetPlayer()->GetBattleGround()->HandlePlayerUnderMap(_player))
{
// do nothing, the handle already did if returned true
}
else
{
// 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(GetPlayer()->isAlive())
{
GetPlayer()->EnvironmentalDamage(GetPlayer()->GetGUID(),DAMAGE_FALL_TO_VOID, GetPlayer()->GetMaxHealth());
// change the death state to CORPSE to prevent the death timer from
// starting in the next player update
GetPlayer()->KillPlayer();
GetPlayer()->BuildPlayerRepop();
}
// cancel the death timer here if started
GetPlayer()->RepopAtGraveyard();
}
}
}
void WorldSession::HandlePetSetAction(WorldPacket & recvData)
{
sLog->outInfo(LOG_FILTER_NETWORKIO, "HandlePetSetAction. CMSG_PET_SET_ACTION");
uint64 petguid;
uint8 count;
recvData >> petguid;
Unit* pet = ObjectAccessor::GetUnit(*_player, petguid);
if (!pet || pet != _player->GetFirstControlled())
{
sLog->outError(LOG_FILTER_NETWORKIO, "HandlePetSetAction: Unknown pet (GUID: %u) or pet owner (GUID: %u)", GUID_LOPART(petguid), _player->GetGUIDLow());
return;
}
CharmInfo* charmInfo = pet->GetCharmInfo();
if (!charmInfo)
{
sLog->outError(LOG_FILTER_NETWORKIO, "WorldSession::HandlePetSetAction: object (GUID: %u TypeId: %u) is considered pet-like but doesn't have a charminfo!", pet->GetGUIDLow(), pet->GetTypeId());
return;
}
count = (recvData.size() == 24) ? 2 : 1;
uint32 position[2];
uint32 data[2];
bool move_command = false;
for (uint8 i = 0; i < count; ++i)
{
recvData >> position[i];
recvData >> data[i];
uint8 act_state = UNIT_ACTION_BUTTON_TYPE(data[i]);
//ignore invalid position
if (position[i] >= MAX_UNIT_ACTION_BAR_INDEX)
return;
// in the normal case, command and reaction buttons can only be moved, not removed
// at moving count == 2, at removing count == 1
// ignore attempt to remove command|reaction buttons (not possible at normal case)
if (act_state == ACT_COMMAND || act_state == ACT_REACTION)
{
if (count == 1)
return;
move_command = true;
}
}
// check swap (at command->spell swap client remove spell first in another packet, so check only command move correctness)
if (move_command)
{
uint8 act_state_0 = UNIT_ACTION_BUTTON_TYPE(data[0]);
if (act_state_0 == ACT_COMMAND || act_state_0 == ACT_REACTION)
{
uint32 spell_id_0 = UNIT_ACTION_BUTTON_ACTION(data[0]);
UnitActionBarEntry const* actionEntry_1 = charmInfo->GetActionBarEntry(position[1]);
if (!actionEntry_1 || spell_id_0 != actionEntry_1->GetAction() ||
act_state_0 != actionEntry_1->GetType())
return;
}
uint8 act_state_1 = UNIT_ACTION_BUTTON_TYPE(data[1]);
if (act_state_1 == ACT_COMMAND || act_state_1 == ACT_REACTION)
{
uint32 spell_id_1 = UNIT_ACTION_BUTTON_ACTION(data[1]);
UnitActionBarEntry const* actionEntry_0 = charmInfo->GetActionBarEntry(position[0]);
if (!actionEntry_0 || spell_id_1 != actionEntry_0->GetAction() ||
act_state_1 != actionEntry_0->GetType())
return;
}
}
for (uint8 i = 0; i < count; ++i)
{
uint32 spell_id = UNIT_ACTION_BUTTON_ACTION(data[i]);
uint8 act_state = UNIT_ACTION_BUTTON_TYPE(data[i]);
sLog->outInfo(LOG_FILTER_NETWORKIO, "Player %s has changed pet spell action. Position: %u, Spell: %u, State: 0x%X",
_player->GetName().c_str(), position[i], spell_id, uint32(act_state));
//if it's act for spell (en/disable/cast) and there is a spell given (0 = remove spell) which pet doesn't know, don't add
if (!((act_state == ACT_ENABLED || act_state == ACT_DISABLED || act_state == ACT_PASSIVE) && spell_id && !pet->HasSpell(spell_id)))
{
if (SpellInfo const* spellInfo = sSpellMgr->GetSpellInfo(spell_id))
{
//sign for autocast
if (act_state == ACT_ENABLED)
{
if (pet->GetTypeId() == TYPEID_UNIT && pet->ToCreature()->isPet())
((Pet*)pet)->ToggleAutocast(spellInfo, true);
else
for (Unit::ControlList::iterator itr = GetPlayer()->m_Controlled.begin(); itr != GetPlayer()->m_Controlled.end(); ++itr)
if ((*itr)->GetEntry() == pet->GetEntry())
(*itr)->GetCharmInfo()->ToggleCreatureAutocast(spellInfo, true);
}
//sign for no/turn off autocast
else if (act_state == ACT_DISABLED)
{
if (pet->GetTypeId() == TYPEID_UNIT && pet->ToCreature()->isPet())
((Pet*)pet)->ToggleAutocast(spellInfo, false);
else
for (Unit::ControlList::iterator itr = GetPlayer()->m_Controlled.begin(); itr != GetPlayer()->m_Controlled.end(); ++itr)
if ((*itr)->GetEntry() == pet->GetEntry())
(*itr)->GetCharmInfo()->ToggleCreatureAutocast(spellInfo, false);
}
}
charmInfo->SetActionBar(position[i], spell_id, ActiveStates(act_state));
}
}
}
void WorldSession::SizeError(WorldPacket const& packet, uint32 size) const
{
sLog.outError("Client (account %u) send packet %s (%u) with size %u but expected %u (attempt crash server?), skipped",
GetAccountId(),LookupOpcodeName(packet.GetOpcode()),packet.GetOpcode(),packet.size(),size);
}
void WorldSession::HandleUseItemOpcode(WorldPacket& recvPacket)
{
uint8 bagIndex, slot;
uint8 cast_flags; // flags (if 0x02 - some additional data are received)
uint8 cast_count; // next cast if exists (single or not)
ObjectGuid itemGuid;
uint32 glyphIndex; // something to do with glyphs?
uint32 spellid; // casted spell id
recvPacket >> bagIndex >> slot >> cast_count >> spellid >> itemGuid >> glyphIndex >> cast_flags;
// TODO: add targets.read() check
Player* pUser = _player;
// ignore for remote control state
if (!pUser->IsSelfMover())
{
recvPacket.rpos(recvPacket.wpos()); // prevent spam at not read packet tail
return;
}
// reject fake data
if (glyphIndex >= MAX_GLYPH_SLOT_INDEX)
{
recvPacket.rpos(recvPacket.wpos()); // prevent spam at not read packet tail
pUser->SendEquipError(EQUIP_ERR_ITEM_NOT_FOUND, NULL, NULL );
return;
}
Item *pItem = pUser->GetItemByPos(bagIndex, slot);
if (!pItem)
{
recvPacket.rpos(recvPacket.wpos()); // prevent spam at not read packet tail
pUser->SendEquipError(EQUIP_ERR_ITEM_NOT_FOUND, NULL, NULL );
return;
}
if (pItem->GetObjectGuid() != itemGuid)
{
recvPacket.rpos(recvPacket.wpos()); // prevent spam at not read packet tail
pUser->SendEquipError(EQUIP_ERR_ITEM_NOT_FOUND, NULL, NULL );
return;
}
DETAIL_LOG("WORLD: CMSG_USE_ITEM packet, bagIndex: %u, slot: %u, cast_count: %u, spellid: %u, Item: %u, glyphIndex: %u, unk_flags: %u, data length = " SIZEFMTD, bagIndex, slot, cast_count, spellid, pItem->GetEntry(), glyphIndex, cast_flags, recvPacket.size());
ItemPrototype const *proto = pItem->GetProto();
if (!proto)
{
recvPacket.rpos(recvPacket.wpos()); // prevent spam at not read packet tail
pUser->SendEquipError(EQUIP_ERR_ITEM_NOT_FOUND, pItem, NULL );
return;
}
// some item classes can be used only in equipped state
if (proto->InventoryType != INVTYPE_NON_EQUIP && !pItem->IsEquipped())
{
recvPacket.rpos(recvPacket.wpos()); // prevent spam at not read packet tail
pUser->SendEquipError(EQUIP_ERR_ITEM_NOT_FOUND, pItem, NULL );
return;
}
InventoryResult msg = pUser->CanUseItem(pItem);
if (msg != EQUIP_ERR_OK)
{
recvPacket.rpos(recvPacket.wpos()); // prevent spam at not read packet tail
pUser->SendEquipError( msg, pItem, NULL );
return;
}
// not allow use item from trade (cheat way only)
if (pItem->IsInTrade())
{
recvPacket.rpos(recvPacket.wpos()); // prevent spam at not read packet tail
pUser->SendEquipError(EQUIP_ERR_ITEM_NOT_FOUND, pItem, NULL );
return;
}
// only allow conjured consumable, bandage, poisons (all should have the 2^21 item flag set in DB)
if (proto->Class == ITEM_CLASS_CONSUMABLE &&
!(proto->Flags & ITEM_FLAG_USEABLE_IN_ARENA) &&
pUser->InArena())
{
recvPacket.rpos(recvPacket.wpos()); // prevent spam at not read packet tail
pUser->SendEquipError(EQUIP_ERR_NOT_DURING_ARENA_MATCH,pItem,NULL);
return;
}
if ((proto->Area && proto->Area != pUser->GetAreaId()) ||
(proto->Map && proto->Map != pUser->GetMapId()))
{
if (SpellEntry const* spellInfo = sSpellStore.LookupEntry(spellid))
Spell::SendCastResult(pUser, spellInfo, cast_count, SPELL_FAILED_INCORRECT_AREA);
return;
}
if (pUser->isInCombat())
{
for(int i = 0; i < MAX_ITEM_PROTO_SPELLS; ++i)
{
if (SpellEntry const *spellInfo = sSpellStore.LookupEntry(proto->Spells[i].SpellId))
{
if (IsNonCombatSpell(spellInfo))
{
recvPacket.rpos(recvPacket.wpos()); // prevent spam at not read packet tail
pUser->SendEquipError(EQUIP_ERR_NOT_IN_COMBAT,pItem,NULL);
return;
}
}
}
// Prevent potion drink if another potion in processing (client have potions disabled in like case)
if (pItem->IsPotion() && pUser->GetLastPotionId())
{
recvPacket.rpos(recvPacket.wpos()); // prevent spam at not read packet tail
pUser->SendEquipError(EQUIP_ERR_OBJECT_IS_BUSY,pItem,NULL);
return;
}
}
// check also BIND_WHEN_PICKED_UP and BIND_QUEST_ITEM for .additem or .additemset case by GM (not binded at adding to inventory)
if( pItem->GetProto()->Bonding == BIND_WHEN_USE || pItem->GetProto()->Bonding == BIND_WHEN_PICKED_UP || pItem->GetProto()->Bonding == BIND_QUEST_ITEM )
{
if (!pItem->IsSoulBound())
{
pItem->SetState(ITEM_CHANGED, pUser);
pItem->SetBinding( true );
}
}
SpellCastTargets targets;
recvPacket >> targets.ReadForCaster(pUser);
// some spell cast packet including more data (for projectiles?)
targets.ReadAdditionalData(recvPacket, cast_flags);
targets.Update(pUser);
if (!pItem->IsTargetValidForItemUse(targets.getUnitTarget()))
{
// free gray item after use fail
pUser->SendEquipError(EQUIP_ERR_NONE, pItem, NULL);
// send spell error
if (SpellEntry const* spellInfo = sSpellStore.LookupEntry(spellid))
{
SpellEffectEntry const* spellEffect = spellInfo->GetSpellEffect(EFFECT_INDEX_0);
// for implicit area/coord target spells
if (spellEffect && (IsPointEffectTarget(Targets(spellEffect->EffectImplicitTargetA)) ||
IsAreaEffectTarget(Targets(spellEffect->EffectImplicitTargetA))))
Spell::SendCastResult(_player,spellInfo,cast_count,SPELL_FAILED_NO_VALID_TARGETS);
// for explicit target spells
else
Spell::SendCastResult(_player,spellInfo,cast_count,SPELL_FAILED_BAD_TARGETS);
}
return;
}
//Note: If script stop casting it must send appropriate data to client to prevent stuck item in gray state.
if (!sScriptMgr.OnItemUse(pUser, pItem, targets))
{
// no script or script not process request by self
pUser->CastItemUseSpell(pItem,targets,cast_count,glyphIndex);
}
}
void WorldSession::HandleCastSpellOpcode(WorldPacket & recvPacket)
{
CHECK_INWORLD_RETURN
uint32 spellId;
uint8 cn, unk; //Alice : Added to 3.0.2
recvPacket >> cn >> spellId >> unk;
// check for spell id
SpellEntry* spellInfo = dbcSpell.LookupEntryForced(spellId);
if(!spellInfo)
{
LOG_ERROR("WORLD: unknown spell id %i", spellId);
return;
}
if(!_player->isAlive() && _player->GetShapeShift() != FORM_SPIRITOFREDEMPTION && !(spellInfo->Attributes & ATTRIBUTES_DEAD_CASTABLE)) //They're dead, not in spirit of redemption and the spell can't be cast while dead.
return;
LOG_DETAIL("WORLD: got cast spell packet, spellId - %i (%s), data length = %i",
spellId, spellInfo->Name, recvPacket.size());
// Cheat Detection only if player and not from an item
// this could f**k up things but meh it's needed ALOT of the newbs are using WPE now
// WPE allows them to mod the outgoing packet and basically choose what ever spell they want :(
if(!GetPlayer()->HasSpell(spellId))
{
sCheatLog.writefromsession(this, "Cast spell %lu but doesn't have that spell.", spellId);
LOG_DETAIL("WORLD: Spell isn't cast because player \'%s\' is cheating", GetPlayer()->GetName());
return;
}
if(spellInfo->Attributes & ATTRIBUTES_PASSIVE)
{
sCheatLog.writefromsession(this, "Cast passive spell %lu.", spellId);
LOG_DETAIL("WORLD: Spell isn't cast because player \'%s\' is cheating", GetPlayer()->GetName());
return;
}
if(GetPlayer()->GetOnMeleeSpell() != spellId)
{
//autoshot 75
if((spellInfo->AttributesExB & ATTRIBUTESEXB_ACTIVATE_AUTO_SHOT) /*spellInfo->Attributes == 327698*/) // auto shot..
{
//sLog.outString( "HandleSpellCast: Auto Shot-type spell cast (id %u, name %s)" , spellInfo->Id , spellInfo->Name );
Item* weapon = GetPlayer()->GetItemInterface()->GetInventoryItem(EQUIPMENT_SLOT_RANGED);
if(!weapon)
return;
uint32 spellid;
switch(weapon->GetProto()->SubClass)
{
case 2: // bows
case 3: // guns
case 18: // crossbow
spellid = SPELL_RANGED_GENERAL;
break;
case 16: // thrown
spellid = SPELL_RANGED_THROW;
break;
case 19: // wands
spellid = SPELL_RANGED_WAND;
break;
default:
spellid = 0;
break;
}
if(!spellid)
spellid = spellInfo->Id;
if(!_player->m_onAutoShot)
{
_player->m_AutoShotTarget = _player->GetSelection();
uint32 duration = _player->GetBaseAttackTime(RANGED);
SpellCastTargets targets(recvPacket, GetPlayer()->GetGUID());
if(!targets.m_unitTarget)
{
LOG_DEBUG("Cancelling auto-shot cast because targets.m_unitTarget is null!");
return;
}
SpellEntry* sp = dbcSpell.LookupEntry(spellid);
_player->m_AutoShotSpell = sp;
_player->m_AutoShotDuration = duration;
//This will fix fast clicks
if(_player->m_AutoShotAttackTimer < 500)
_player->m_AutoShotAttackTimer = 500;
_player->m_onAutoShot = true;
}
return;
}
if(_player->m_currentSpell)
{
if(_player->m_currentSpell->getState() == SPELL_STATE_CASTING)
{
// cancel the existing channel spell, cast this one
_player->m_currentSpell->cancel();
}
else
{
// send the error message
_player->SendCastResult(spellInfo->Id, SPELL_FAILED_SPELL_IN_PROGRESS, cn, 0);
return;
}
}
SpellCastTargets targets(recvPacket, GetPlayer()->GetGUID());
// some anticheat stuff
if(spellInfo->self_cast_only)
{
if(targets.m_unitTarget && targets.m_unitTarget != _player->GetGUID())
{
// send the error message
_player->SendCastResult(spellInfo->Id, SPELL_FAILED_BAD_TARGETS, cn, 0);
return;
}
}
Spell* spell = sSpellFactoryMgr.NewSpell(GetPlayer(), spellInfo, false, NULL);
spell->extra_cast_number = cn;
spell->prepare(&targets);
}
}
void WorldSession::HandleMovementOpcodes(WorldPacket& recvPacket)
{
uint16 opcode = recvPacket.GetOpcode();
Unit* mover = _player->m_mover;
ASSERT(mover != NULL); // there must always be a mover
Player* plrMover = mover->ToPlayer();
// ignore, waiting processing in WorldSession::HandleMoveWorldportAckOpcode and WorldSession::HandleMoveTeleportAck
if (plrMover && plrMover->IsBeingTeleported())
{
recvPacket.rfinish(); // prevent warnings spam
return;
}
/* extract packet */
MovementInfo movementInfo;
GetPlayer()->ReadMovementInfo(recvPacket, &movementInfo);
// prevent tampered movement data
if (movementInfo.guid != mover->GetGUID())
{
TC_LOG_ERROR("network", "HandleMovementOpcodes: guid error");
return;
}
if (!movementInfo.pos.IsPositionValid())
{
TC_LOG_ERROR("network", "HandleMovementOpcodes: Invalid Position");
return;
}
/* handle special cases */
if (movementInfo.transport.guid)
{
// transports size limited
// (also received at zeppelin leave by some reason with t_* as absolute in continent coordinates, can be safely skipped)
if (movementInfo.transport.pos.GetPositionX() > 50 || movementInfo.transport.pos.GetPositionY() > 50 || movementInfo.transport.pos.GetPositionZ() > 50)
{
recvPacket.rfinish(); // prevent warnings spam
return;
}
if (!Trinity::IsValidMapCoord(movementInfo.pos.GetPositionX() + movementInfo.transport.pos.GetPositionX(), movementInfo.pos.GetPositionY() + movementInfo.transport.pos.GetPositionY(),
movementInfo.pos.GetPositionZ() + movementInfo.transport.pos.GetPositionZ(), movementInfo.pos.GetOrientation() + movementInfo.transport.pos.GetOrientation()))
{
recvPacket.rfinish(); // prevent warnings spam
return;
}
// if we boarded a transport, add us to it
if (plrMover)
{
if (!plrMover->GetTransport())
{
if (Transport* transport = plrMover->GetMap()->GetTransport(movementInfo.transport.guid))
{
plrMover->m_transport = transport;
transport->AddPassenger(plrMover);
}
}
else if (plrMover->GetTransport()->GetGUID() != movementInfo.transport.guid)
{
bool foundNewTransport = false;
plrMover->m_transport->RemovePassenger(plrMover);
if (Transport* transport = plrMover->GetMap()->GetTransport(movementInfo.transport.guid))
{
foundNewTransport = true;
plrMover->m_transport = transport;
transport->AddPassenger(plrMover);
}
if (!foundNewTransport)
{
plrMover->m_transport = NULL;
movementInfo.ResetTransport();
}
}
}
if (!mover->GetTransport() && !mover->GetVehicle())
{
GameObject* go = mover->GetMap()->GetGameObject(movementInfo.transport.guid);
if (!go || go->GetGoType() != GAMEOBJECT_TYPE_TRANSPORT)
movementInfo.transport.guid = 0;
}
}
else if (plrMover && plrMover->GetTransport()) // if we were on a transport, leave
{
plrMover->m_transport->RemovePassenger(plrMover);
plrMover->m_transport = NULL;
movementInfo.ResetTransport();
}
// 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 && plrMover && !plrMover->IsInFlight())
plrMover->HandleFall(movementInfo);
if (plrMover && ((movementInfo.flags & MOVEMENTFLAG_SWIMMING) != 0) != plrMover->IsInWater())
{
// now client not include swimming flag in case jumping under water
plrMover->SetInWater(!plrMover->IsInWater() || plrMover->GetBaseMap()->IsUnderWater(movementInfo.pos.GetPositionX(), movementInfo.pos.GetPositionY(), movementInfo.pos.GetPositionZ()));
}
uint32 mstime = getMSTime();
/*----------------------*/
if (m_clientTimeDelay == 0)
m_clientTimeDelay = mstime - movementInfo.time;
/* process position-change */
movementInfo.time = movementInfo.time + m_clientTimeDelay + MOVEMENT_PACKET_TIME_DELAY;
movementInfo.guid = mover->GetGUID();
mover->m_movementInfo = movementInfo;
/*----------------------*/
/* process position-change */
// 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);
WorldPacket data(SMSG_PLAYER_MOVE, recvPacket.size());
mover->WriteMovementInfo(data);
mover->SendMessageToSet(&data, _player);
if (plrMover) // nothing is charmed, or player charmed
{
if (plrMover->IsSitState() && (movementInfo.flags & (MOVEMENTFLAG_MASK_MOVING | MOVEMENTFLAG_MASK_TURNING)))
plrMover->SetStandState(UNIT_STAND_STATE_STAND);
plrMover->UpdateFallInformationIfNeed(movementInfo, opcode);
AreaTableEntry const* zone = GetAreaEntryByAreaID(plrMover->GetAreaId());
float depth = zone ? zone->MaxDepth : -500.0f;
if (movementInfo.pos.GetPositionZ() < depth)
{
if (!(plrMover->GetBattleground() && plrMover->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 (plrMover->IsAlive())
{
plrMover->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 (!plrMover->IsAlive())
plrMover->KillPlayer();
}
}
}
}
}
int WorldSocket::HandlePing (WorldPacket& recvPacket)
{
uint32 ping;
uint32 latency;
if (recvPacket.size () < 8)
{
sLog.outError ("WorldSocket::_HandlePing wrong packet size");
return -1;
}
// Get the ping packet content
recvPacket >> ping;
recvPacket >> latency;
if (m_LastPingTime == ACE_Time_Value::zero)
m_LastPingTime = ACE_OS::gettimeofday (); // for 1st ping
else
{
ACE_Time_Value cur_time = ACE_OS::gettimeofday ();
ACE_Time_Value diff_time (cur_time);
diff_time -= m_LastPingTime;
m_LastPingTime = cur_time;
if (diff_time < ACE_Time_Value (27))
{
++m_OverSpeedPings;
uint32 max_count = sWorld.getConfig (CONFIG_MAX_OVERSPEED_PINGS);
if (max_count && m_OverSpeedPings > max_count)
{
ACE_GUARD_RETURN (LockType, Guard, m_SessionLock, -1);
if (m_Session && m_Session->GetSecurity () == SEC_PLAYER)
{
sLog.outError ("WorldSocket::HandlePing: Player kicked for "
"overspeeded pings address = %s",
GetRemoteAddress ().c_str ());
return -1;
}
}
}
else
m_OverSpeedPings = 0;
}
// critical section
{
ACE_GUARD_RETURN (LockType, Guard, m_SessionLock, -1);
if (m_Session)
m_Session->SetLatency (latency);
else
{
sLog.outError ("WorldSocket::HandlePing: peer sent CMSG_PING, "
"but is not authenticated or got recently kicked,"
" address = %s",
GetRemoteAddress ().c_str ());
return -1;
}
}
WorldPacket packet (SMSG_PONG, 4);
packet << ping;
return SendPacket (packet);
}
//called when player lists his bids
void WorldSession::HandleAuctionListBidderItems( WorldPacket & recv_data )
{
CHECK_PACKET_SIZE(recv_data,8+4+4);
uint64 guid; //NPC guid
uint32 listfrom; //page of auctions
uint32 outbiddedCount; //count of outbidded auctions
recv_data >> guid;
recv_data >> listfrom; // not used in fact (this list not have page control in client)
recv_data >> outbiddedCount;
if (recv_data.size() != (16 + outbiddedCount * 4 ))
{
sLog.outError("Client sent bad opcode!!! with count: %u and size : %d (mustbe: %d", outbiddedCount, recv_data.size(),(16 + outbiddedCount * 4 ));
outbiddedCount = 0;
}
Creature *pCreature = ObjectAccessor::GetNPCIfCanInteractWith(*_player, guid,UNIT_NPC_FLAG_AUCTIONEER);
if (!pCreature)
{
sLog.outDebug( "WORLD: HandleAuctionListBidderItems - Unit (GUID: %u) not found or you can't interact with him.", uint32(GUID_LOPART(guid)) );
return;
}
// remove fake death
if(GetPlayer()->hasUnitState(UNIT_STAT_DIED))
GetPlayer()->RemoveSpellsCausingAura(SPELL_AURA_FEIGN_DEATH);
uint32 location = AuctioneerFactionToLocation(pCreature->getFaction());
AuctionHouseObject* mAuctions = objmgr.GetAuctionsMap( location );
WorldPacket data( SMSG_AUCTION_BIDDER_LIST_RESULT, (4+4+4) );
Player *pl = GetPlayer();
data << (uint32) 0; //add 0 as count
uint32 count = 0;
uint32 totalcount = 0;
while ( outbiddedCount > 0) //add all data, which client requires
{
--outbiddedCount;
uint32 outbiddedAuctionId;
recv_data >> outbiddedAuctionId;
AuctionEntry * auction = mAuctions->GetAuction( outbiddedAuctionId );
if ( auction && SendAuctionInfo(data, auction))
{
++totalcount;
++count;
}
}
for (AuctionHouseObject::AuctionEntryMap::iterator itr = mAuctions->GetAuctionsBegin();itr != mAuctions->GetAuctionsEnd();++itr)
{
AuctionEntry *Aentry = itr->second;
if( Aentry && Aentry->bidder == pl->GetGUIDLow() )
{
if (SendAuctionInfo(data, itr->second))
++count;
++totalcount;
}
}
data.put<uint32>( 0, count ); // add count to placeholder
data << totalcount;
data << (uint32)300; //unk 2.3.0
SendPacket(&data);
}
void WorldSession::HandleMovementOpcodes( WorldPacket & recv_data )
{
uint32 opcode = recv_data.GetOpcode();
sLog.outDebug("WORLD: Recvd %s (%u, 0x%X) opcode", LookupOpcodeName(opcode), opcode, opcode);
recv_data.hexlike();
Unit *mover = _player->m_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.rpos(recv_data.wpos()); // prevent warnings spam
return;
}
/* extract packet */
uint64 guid;
if(!recv_data.readPackGUID(guid))
return;
MovementInfo movementInfo;
movementInfo.guid = guid;
ReadMovementInfo(recv_data, &movementInfo);
/*----------------*/
if (!MaNGOS::IsValidMapCoord(movementInfo.x, movementInfo.y, movementInfo.z, movementInfo.o))
{
recv_data.rpos(recv_data.wpos()); // prevent warnings spam
return;
}
/* handle special cases */
if (movementInfo.HasMovementFlag(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_x > 50 || movementInfo.t_y > 50 || movementInfo.t_z > 50 )
{
recv_data.rpos(recv_data.wpos()); // prevent warnings spam
return;
}
if( !MaNGOS::IsValidMapCoord(movementInfo.x+movementInfo.t_x, movementInfo.y + movementInfo.t_y,
movementInfo.z + movementInfo.t_z, movementInfo.o + movementInfo.t_o) )
{
recv_data.rpos(recv_data.wpos()); // prevent warnings spam
return;
}
// if we boarded a transport, add us to it
if (plMover && !plMover->m_transport)
{
// elevators also cause the client to send MOVEMENTFLAG_ONTRANSPORT - just unmount 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;
}
}
}
}
else if (plMover && plMover->m_transport) // if we were on a transport, leave
{
plMover->m_transport->RemovePassenger(plMover);
plMover->m_transport = NULL;
movementInfo.t_x = 0.0f;
movementInfo.t_y = 0.0f;
movementInfo.t_z = 0.0f;
movementInfo.t_o = 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.HasMovementFlag(MOVEMENTFLAG_SWIMMING) != plMover->IsInWater()))
{
// now client not include swimming flag in case jumping under water
plMover->SetInWater( !plMover->IsInWater() || plMover->GetBaseMap()->IsUnderWater(movementInfo.x, movementInfo.y, movementInfo.z) );
}
/*----------------------*/
/* process position-change */
WorldPacket data(opcode, recv_data.size());
movementInfo.time = getMSTime();
movementInfo.guid = mover->GetGUID();
WriteMovementInfo(&data, &movementInfo);
GetPlayer()->SendMessageToSet(&data, false);
if(plMover) // nothing is charmed, or player charmed
{
plMover->SetPosition(movementInfo.x, movementInfo.y, movementInfo.z, movementInfo.o);
plMover->m_movementInfo = movementInfo;
plMover->UpdateFallInformationIfNeed(movementInfo, opcode);
if(plMover->isMovingOrTurning())
plMover->RemoveSpellsCausingAura(SPELL_AURA_FEIGN_DEATH);
if(movementInfo.z < -500.0f)
{
if(plMover->InBattleGround()
&& plMover->GetBattleGround()
&& plMover->GetBattleGround()->HandlePlayerUnderMap(_player))
{
// do nothing, the handle already did if returned true
}
else
{
// 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());
// pl can be alive if GM/etc
if(!plMover->isAlive())
{
// change the death state to CORPSE to prevent the death timer from
// starting in the next player update
plMover->KillPlayer();
plMover->BuildPlayerRepop();
}
}
// cancel the death timer here if started
plMover->RepopAtGraveyard();
}
}
}
else // creature charmed
{
if(mover->IsInWorld())
mover->GetMap()->CreatureRelocation((Creature*)mover, movementInfo.x, movementInfo.y, movementInfo.z, movementInfo.o);
}
}
int WorldSocket::HandleAuthSession (WorldPacket& recvPacket)
{
// NOTE: ATM the socket is singlethread, have this in mind ...
uint8 digest[20];
uint32 clientSeed;
uint32 unk2;
uint32 BuiltNumberClient;
uint32 id, security;
uint8 expansion = 0;
LocaleConstant locale;
std::string account;
Sha1Hash sha1;
BigNumber v, s, g, N, x, I;
WorldPacket packet, SendAddonPacked;
BigNumber K;
if (recvPacket.size () < (4 + 4 + 1 + 4 + 20))
{
sLog.outError ("WorldSocket::HandleAuthSession: wrong packet size");
return -1;
}
// Read the content of the packet
recvPacket >> BuiltNumberClient; // for now no use
recvPacket >> unk2;
recvPacket >> account;
if (recvPacket.size () < (4 + 4 + (account.size () + 1) + 4 + 20))
{
sLog.outError ("WorldSocket::HandleAuthSession: wrong packet size second check");
return -1;
}
recvPacket >> clientSeed;
recvPacket.read (digest, 20);
DEBUG_LOG ("WorldSocket::HandleAuthSession: client %u, unk2 %u, account %s, clientseed %u",
BuiltNumberClient,
unk2,
account.c_str (),
clientSeed);
// Get the account information from the realmd database
std::string safe_account = account; // Duplicate, else will screw the SHA hash verification below
loginDatabase.escape_string (safe_account);
// No SQL injection, username escaped.
QueryResult *result =
loginDatabase.PQuery ("SELECT "
"id, " //0
"gmlevel, " //1
"sessionkey, " //2
"last_ip, " //3
"locked, " //4
"sha_pass_hash, " //5
"v, " //6
"s, " //7
"expansion, " //8
"mutetime, " //9
"locale " //10
"FROM account "
"WHERE username = '******'",
safe_account.c_str ());
// Stop if the account is not found
if (!result)
{
packet.Initialize (SMSG_AUTH_RESPONSE, 1);
packet << uint8 (AUTH_UNKNOWN_ACCOUNT);
SendPacket (packet);
sLog.outError ("WorldSocket::HandleAuthSession: Sent Auth Response (unknown account).");
return -1;
}
Field* fields = result->Fetch ();
expansion = ((sWorld.getConfig(CONFIG_EXPANSION) > fields[8].GetUInt8()) ? fields[8].GetUInt8() : sWorld.getConfig(CONFIG_EXPANSION));
N.SetHexStr ("894B645E89E1535BBDAD5B8B290650530801B18EBFBF5E8FAB3C82872A3E9BB7");
g.SetDword (7);
I.SetHexStr (fields[5].GetString ());
//In case of leading zeros in the I hash, restore them
uint8 mDigest[SHA_DIGEST_LENGTH];
memset (mDigest, 0, SHA_DIGEST_LENGTH);
if (I.GetNumBytes () <= SHA_DIGEST_LENGTH)
memcpy (mDigest, I.AsByteArray (), I.GetNumBytes ());
std::reverse (mDigest, mDigest + SHA_DIGEST_LENGTH);
s.SetHexStr (fields[7].GetString ());
sha1.UpdateData (s.AsByteArray (), s.GetNumBytes ());
sha1.UpdateData (mDigest, SHA_DIGEST_LENGTH);
sha1.Finalize ();
x.SetBinary (sha1.GetDigest (), sha1.GetLength ());
v = g.ModExp (x, N);
const char* sStr = s.AsHexStr (); //Must be freed by OPENSSL_free()
const char* vStr = v.AsHexStr (); //Must be freed by OPENSSL_free()
const char* vold = fields[6].GetString ();
DEBUG_LOG ("WorldSocket::HandleAuthSession: (s,v) check s: %s v_old: %s v_new: %s",
sStr,
vold,
vStr);
loginDatabase.PExecute ("UPDATE account "
"SET "
"v = '0', "
"s = '0' "
"WHERE username = '******'",
safe_account.c_str ());
if (!vold || strcmp (vStr, vold))
{
packet.Initialize (SMSG_AUTH_RESPONSE, 1);
packet << uint8 (AUTH_UNKNOWN_ACCOUNT);
SendPacket (packet);
delete result;
OPENSSL_free ((void*) sStr);
OPENSSL_free ((void*) vStr);
sLog.outBasic ("WorldSocket::HandleAuthSession: User not logged.");
return -1;
}
OPENSSL_free ((void*) sStr);
OPENSSL_free ((void*) vStr);
///- Re-check ip locking (same check as in realmd).
if (fields[4].GetUInt8 () == 1) // if ip is locked
{
if (strcmp (fields[3].GetString (), GetRemoteAddress ().c_str ()))
{
packet.Initialize (SMSG_AUTH_RESPONSE, 1);
packet << uint8 (AUTH_FAILED);
SendPacket (packet);
delete result;
sLog.outBasic ("WorldSocket::HandleAuthSession: Sent Auth Response (Account IP differs).");
return -1;
}
}
id = fields[0].GetUInt32 ();
security = fields[1].GetUInt16 ();
K.SetHexStr (fields[2].GetString ());
time_t mutetime = time_t (fields[9].GetUInt64 ());
locale = LocaleConstant (fields[10].GetUInt8 ());
if (locale >= MAX_LOCALE)
locale = LOCALE_enUS;
delete result;
// Re-check account ban (same check as in realmd)
QueryResult *banresult =
loginDatabase.PQuery ("SELECT "
"bandate, "
"unbandate "
"FROM account_banned "
"WHERE id = '%u' "
"AND active = 1",
id);
if (banresult) // if account banned
{
packet.Initialize (SMSG_AUTH_RESPONSE, 1);
packet << uint8 (AUTH_BANNED);
SendPacket (packet);
delete banresult;
sLog.outError ("WorldSocket::HandleAuthSession: Sent Auth Response (Account banned).");
return -1;
}
// Check locked state for server
AccountTypes allowedAccountType = sWorld.GetPlayerSecurityLimit ();
if (allowedAccountType > SEC_PLAYER && AccountTypes(security) < allowedAccountType)
{
WorldPacket Packet (SMSG_AUTH_RESPONSE, 1);
Packet << uint8 (AUTH_UNAVAILABLE);
SendPacket (packet);
sLog.outBasic ("WorldSocket::HandleAuthSession: User tries to login but his security level is not enough");
return -1;
}
// Check that Key and account name are the same on client and server
Sha1Hash sha;
uint32 t = 0;
uint32 seed = m_Seed;
sha.UpdateData (account);
sha.UpdateData ((uint8 *) & t, 4);
sha.UpdateData ((uint8 *) & clientSeed, 4);
sha.UpdateData ((uint8 *) & seed, 4);
sha.UpdateBigNumbers (&K, NULL);
sha.Finalize ();
if (memcmp (sha.GetDigest (), digest, 20))
{
packet.Initialize (SMSG_AUTH_RESPONSE, 1);
packet << uint8 (AUTH_FAILED);
SendPacket (packet);
sLog.outError ("WorldSocket::HandleAuthSession: Sent Auth Response (authentification failed).");
return -1;
}
std::string address = GetRemoteAddress ();
DEBUG_LOG ("WorldSocket::HandleAuthSession: Client '%s' authenticated successfully from %s.",
account.c_str (),
address.c_str ());
// Update the last_ip in the database
// No SQL injection, username escaped.
loginDatabase.escape_string (address);
loginDatabase.PExecute ("UPDATE account "
"SET last_ip = '%s' "
"WHERE username = '******'",
address.c_str (),
safe_account.c_str ());
// NOTE ATM the socket is single-threaded, have this in mind ...
ACE_NEW_RETURN (m_Session, WorldSession (id, this, AccountTypes(security), expansion, mutetime, locale), -1);
m_Crypt.SetKey (&K);
m_Crypt.Init ();
// In case needed sometime the second arg is in microseconds 1 000 000 = 1 sec
ACE_OS::sleep (ACE_Time_Value (0, 10000));
sWorld.AddSession (m_Session);
// Create and send the Addon packet
if (sAddOnHandler.BuildAddonPacket (&recvPacket, &SendAddonPacked))
SendPacket (SendAddonPacked);
return 0;
}
void WorldSession::HandleCastSpellOpcode(WorldPacket& recvPacket)
{
uint32 spellId;
uint8 cast_count, unk_flags;
recvPacket >> cast_count;
recvPacket >> spellId;
recvPacket >> unk_flags; // flags (if 0x02 - some additional data are received)
// ignore for remote control state (for player case)
Unit* mover = _player->GetMover();
if (mover != _player && mover->GetTypeId()==TYPEID_PLAYER)
{
recvPacket.rpos(recvPacket.wpos()); // prevent spam at ignore packet
return;
}
DEBUG_LOG("WORLD: got cast spell packet, spellId - %u, cast_count: %u, unk_flags %u, data length = %i",
spellId, cast_count, unk_flags, (uint32)recvPacket.size());
// vehicle spells are handled by CMSG_PET_CAST_SPELL,
// but player is still able to cast own spells
if(_player->GetCharmGUID() && _player->GetCharmGUID() == _player->GetVehicleGUID())
mover = _player;
SpellEntry const *spellInfo = sSpellStore.LookupEntry(spellId );
if(!spellInfo)
{
sLog.outError("WORLD: unknown spell id %u", spellId);
recvPacket.rpos(recvPacket.wpos()); // prevent spam at ignore packet
return;
}
if (mover->GetTypeId()==TYPEID_PLAYER)
{
// not have spell in spellbook or spell passive and not casted by client
if (!((Player*)mover)->HasActiveSpell (spellId) || IsPassiveSpell(spellInfo))
{
sLog.outError("World: Player %u casts spell %u which he shouldn't have", mover->GetGUIDLow(), spellId);
//cheater? kick? ban?
recvPacket.rpos(recvPacket.wpos()); // prevent spam at ignore packet
return;
}
}
else
{
// not have spell in spellbook or spell passive and not casted by client
if (!((Creature*)mover)->HasSpell(spellId) || IsPassiveSpell(spellInfo))
{
//cheater? kick? ban?
recvPacket.rpos(recvPacket.wpos()); // prevent spam at ignore packet
return;
}
}
// client provided targets
SpellCastTargets targets;
recvPacket >> targets.ReadForCaster(mover);
// some spell cast packet including more data (for projectiles?)
if (unk_flags & 0x02)
{
uint8 unk1;
recvPacket >> Unused<float>(); // unk1, coords?
recvPacket >> Unused<float>(); // unk1, coords?
recvPacket >> unk1; // >> 1 or 0
if(unk1)
{
ObjectGuid guid; // guid - unused
MovementInfo movementInfo;
recvPacket >> Unused<uint32>(); // >> MSG_MOVE_STOP
recvPacket >> guid.ReadAsPacked();
recvPacket >> movementInfo;
}
}
/// Update the WorldSession (triggered by World update)
bool WorldSession::Update(PacketFilter& updater)
{
///- Retrieve packets from the receive queue and call the appropriate handlers
/// not process packets if socket already closed
WorldPacket* packet = NULL;
while (m_Socket && !m_Socket->IsClosed() && _recvQueue.next(packet, updater))
{
/*#if 1
sLog.outError( "MOEP: %s (0x%.4X)",
LookupOpcodeName(packet->GetOpcode()),
packet->GetOpcode());
#endif*/
DEBUG_LOG("Received packet %u %s from %s", packet->GetOpcode(), LookupOpcodeName(packet->GetOpcode()), GetPlayer() ? GetPlayer()->GetGuidStr().c_str() : "<unknown>");
OpcodeHandler const& opHandle = opcodeTable[packet->GetOpcode()];
try
{
if (GetPlayer())
DEBUG_LOG("Received packet %s (size %u) from %s", opHandle.name, packet->size(), GetPlayer()->GetGuidStr().c_str());
switch (opHandle.status)
{
case STATUS_LOGGEDIN:
if(!_player)
{
// skip STATUS_LOGGEDIN opcode unexpected errors if player logout sometime ago - this can be network lag delayed packets
if(!m_playerRecentlyLogout)
LogUnexpectedOpcode(packet, "the player has not logged in yet");
}
else if(_player->IsInWorld())
ExecuteOpcode(opHandle, packet);
// lag can cause STATUS_LOGGEDIN opcodes to arrive after the player started a transfer
// playerbot mod
if (!sWorld.getConfig(CONFIG_BOOL_PLAYERBOT_DISABLE))
if (_player && _player->GetPlayerbotMgr())
_player->GetPlayerbotMgr()->HandleMasterIncomingPacket(*packet);
// playerbot mod end
break;
case STATUS_LOGGEDIN_OR_RECENTLY_LOGGEDOUT:
if(!_player && !m_playerRecentlyLogout)
{
LogUnexpectedOpcode(packet, "the player has not logged in yet and not recently logout");
}
else
// not expected _player or must checked in packet hanlder
ExecuteOpcode(opHandle, packet);
break;
case STATUS_TRANSFER:
if(!_player)
LogUnexpectedOpcode(packet, "the player has not logged in yet");
else if(_player->IsInWorld())
LogUnexpectedOpcode(packet, "the player is still in world");
else
ExecuteOpcode(opHandle, packet);
break;
case STATUS_AUTHED:
// prevent cheating with skip queue wait
if(m_inQueue)
{
LogUnexpectedOpcode(packet, "the player not pass queue yet");
break;
}
// single from authed time opcodes send in to after logout time
// and before other STATUS_LOGGEDIN_OR_RECENTLY_LOGGOUT opcodes.
if (packet->GetOpcode() != CMSG_SET_ACTIVE_VOICE_CHANNEL)
m_playerRecentlyLogout = false;
ExecuteOpcode(opHandle, packet);
break;
case STATUS_NEVER:
sLog.outError( "SESSION: received not allowed opcode %s (0x%.4X)",
LookupOpcodeName(packet->GetOpcode()),
packet->GetOpcode());
break;
case STATUS_UNHANDLED:
DEBUG_LOG("SESSION: received unhandled opcode %s (0x%.4X) (real value may be not shown there)",
LookupOpcodeName(packet->GetOpcode()),
packet->GetOpcode());
break;
default:
sLog.outError("SESSION: received wrong-status-req opcode %s (0x%.4X)",
LookupOpcodeName(packet->GetOpcode()),
packet->GetOpcode());
break;
}
}
catch (ByteBufferException &)
{
sLog.outError("WorldSession::Update ByteBufferException occured while parsing a packet (opcode: 0x%.4X, %s) from client %s, accountid = %i.",
packet->GetOpcode(), LookupOpcodeName(packet->GetOpcode()), GetRemoteAddress().c_str(), GetAccountId());
if (sLog.HasLogLevelOrHigher(LOG_LVL_DEBUG))
{
DEBUG_LOG("Dumping error causing packet:");
packet->hexlike();
}
if (sWorld.getConfig(CONFIG_BOOL_KICK_PLAYER_ON_BAD_PACKET))
{
DETAIL_LOG("Disconnecting session [account id %u / address %s] for badly formatted packet.",
GetAccountId(), GetRemoteAddress().c_str());
KickPlayer();
}
}
delete packet;
}
// Playerbot mod - Process player bot packets
// The PlayerbotAI class adds to the packet queue to simulate a real player
// since Playerbots are known to the World obj only by its master's WorldSession object
// we need to process all master's bot's packets.
if (!sWorld.getConfig(CONFIG_BOOL_PLAYERBOT_DISABLE))
{
if (GetPlayer() && GetPlayer()->GetPlayerbotMgr())
{
for (PlayerBotMap::const_iterator itr = GetPlayer()->GetPlayerbotMgr()->GetPlayerBotsBegin();
itr != GetPlayer()->GetPlayerbotMgr()->GetPlayerBotsEnd(); ++itr)
{
Player* const botPlayer = itr->second;
WorldSession* const pBotWorldSession = botPlayer->GetSession();
if (botPlayer->IsBeingTeleported())
botPlayer->GetPlayerbotAI()->HandleTeleportAck();
else if (botPlayer->IsInWorld())
{
WorldPacket* packet;
while (pBotWorldSession->_recvQueue.next(packet))
{
OpcodeHandler& opHandle = opcodeTable[packet->GetOpcode()];
(pBotWorldSession->*opHandle.handler)(*packet);
delete packet;
}
}
}
}
}
if (m_Socket && !m_Socket->IsClosed() && m_Warden && GetPlayer() && !GetPlayer()->GetPlayerbotAI())
m_Warden->Update();
///- Cleanup socket pointer if need
if (m_Socket && m_Socket->IsClosed())
{
m_Socket->RemoveReference();
m_Socket = NULL;
}
//check if we are safe to proceed with logout
//logout procedure should happen only in World::UpdateSessions() method!!!
if(updater.ProcessLogout())
{
///- If necessary, log the player out
time_t currTime = time(NULL);
if (!m_Socket || (ShouldLogOut(currTime) && !m_playerLoading))
LogoutPlayer(true);
if (!m_Socket)
return false; //Will remove this session from the world session map
}
return true;
}
int WorldSocket::SendPacket(WorldPacket const& pct)
{
ACE_GUARD_RETURN (LockType, Guard, m_OutBufferLock, -1);
if (closing_)
return -1;
// Dump outgoing packet
if (sPacketLog->CanLogPacket())
sPacketLog->LogPacket(pct, SERVER_TO_CLIENT);
WorldPacket const* pkt = &pct;
// Empty buffer used in case packet should be compressed
// Disable compression for now :)
/* WorldPacket buff;
if (m_Session && pkt->size() > 0x400)
{
buff.Compress(m_Session->GetCompressionStream(), pkt);
pkt = &buff;
}*/
if (m_Session)
TC_LOG_TRACE("network.opcode", "S->C: %s %s", m_Session->GetPlayerInfo().c_str(), GetOpcodeNameForLogging(pkt->GetOpcode()).c_str());
sScriptMgr->OnPacketSend(this, *pkt);
ServerPktHeader header(!m_Crypt.IsInitialized() ? pkt->size() + 2 : pct.size(), pkt->GetOpcode(), &m_Crypt);
if (m_OutBuffer->space() >= pkt->size() + header.getHeaderLength() && msg_queue()->is_empty())
{
// Put the packet on the buffer.
if (m_OutBuffer->copy((char*) header.header, header.getHeaderLength()) == -1)
ACE_ASSERT (false);
if (!pkt->empty())
if (m_OutBuffer->copy((char*) pkt->contents(), pkt->size()) == -1)
ACE_ASSERT (false);
}
else
{
// Enqueue the packet.
ACE_Message_Block* mb;
ACE_NEW_RETURN(mb, ACE_Message_Block(pkt->size() + header.getHeaderLength()), -1);
mb->copy((char*) header.header, header.getHeaderLength());
if (!pkt->empty())
mb->copy((const char*)pkt->contents(), pkt->size());
if (msg_queue()->enqueue_tail(mb, (ACE_Time_Value*)&ACE_Time_Value::zero) == -1)
{
TC_LOG_ERROR("network", "WorldSocket::SendPacket enqueue_tail failed");
mb->release();
return -1;
}
}
return 0;
}
void WorldSession::HandleUseItemOpcode(WorldPacket & recvPacket)
{
CHECK_INWORLD_RETURN
typedef std::list<Aura*> AuraList;
Player* p_User = GetPlayer();
LOG_DETAIL("WORLD: got use Item packet, data length = %i", recvPacket.size());
int8 tmp1, slot;
uint8 unk; //Alice : added in 3.0.2
uint64 item_guid;
uint8 cn;
uint32 spellId = 0;
uint32 glyphIndex;
bool found = false;
recvPacket >> tmp1;
recvPacket >> slot;
recvPacket >> cn;
recvPacket >> spellId;
recvPacket >> item_guid;
recvPacket >> glyphIndex;
recvPacket >> unk;
Item* tmpItem = NULL;
tmpItem = p_User->GetItemInterface()->GetInventoryItem(tmp1, slot);
if(!tmpItem)
tmpItem = p_User->GetItemInterface()->GetInventoryItem(slot);
if(!tmpItem)
return;
ItemPrototype* itemProto = tmpItem->GetProto();
// only some consumable items can be used in arenas
if( ( itemProto->Class == ITEM_CLASS_CONSUMABLE ) &&
!itemProto->HasFlag( ITEM_FLAG_USEABLE_IN_ARENA ) &&
( GetPlayer()->m_bg != NULL ) &&
IS_ARENA( GetPlayer()->m_bg->GetType() ) )
{
GetPlayer()->GetItemInterface()->BuildInventoryChangeError(tmpItem, NULL, INV_ERR_NOT_DURING_ARENA_MATCH);
return;
}
if(tmpItem->IsSoulbound()) // SouldBind item will be used after SouldBind()
{
if(sScriptMgr.CallScriptedItem(tmpItem, _player))
return;
}
if(_player->getDeathState() == CORPSE)
return;
if(itemProto->Bonding == ITEM_BIND_ON_USE)
tmpItem->SoulBind();
if(sScriptMgr.CallScriptedItem(tmpItem, _player))
return;
if(itemProto->InventoryType != 0 && !_player->GetItemInterface()->IsEquipped(itemProto->ItemId)) //Equipable items cannot be used before they're equipped. Prevents exploits
return;//Prevents exploits such as keeping an on-use trinket in your bag and using WPE to use it from your bag in mid-combat.
if(itemProto->QuestId)
{
// Item Starter
Quest* qst = QuestStorage.LookupEntry(itemProto->QuestId);
if(!qst)
return;
WorldPacket data;
sQuestMgr.BuildQuestDetails(&data, qst, tmpItem, 0, language, _player);
SendPacket(&data);
}
// Let's check if the item even has that spell
for(int i = 0; i < 5; ++i)
{
if(itemProto->Spells[i].Trigger == USE && itemProto->Spells[i].Id == spellId)
{
found = true;
break;//found 1 already
}
}
// Let's see if it is an onuse spellid
if(tmpItem->HasOnUseSpellID(spellId))
found = true;
// We didn't find the spell, so the player is probably trying to cheat
// with an edited itemcache.wdb
//
// Altough this could also happen after a DB update
// if he/she didn't delete his/her cache.
if(found == false)
{
this->Disconnect();
Anticheat_Log->writefromsession(this, "Player tried to use an item with a spell that didn't match the spell in the database.");
Anticheat_Log->writefromsession(this, "Possibly corrupted or intentionally altered itemcache.wdb");
Anticheat_Log->writefromsession(this, "Itemid: %lu", itemProto->ItemId);
Anticheat_Log->writefromsession(this, "Spellid: %lu", spellId);
Anticheat_Log->writefromsession(this, "Player was disconnected");
return;
}
SpellCastTargets targets(recvPacket, _player->GetGUID());
SpellEntry* spellInfo = dbcSpell.LookupEntryForced(spellId);
if(spellInfo == NULL)
{
LOG_ERROR("WORLD: unknown spell id %i", spellId);
return;
}
if(spellInfo->AuraInterruptFlags & AURA_INTERRUPT_ON_STAND_UP)
{
if(p_User->CombatStatus.IsInCombat() || p_User->IsMounted())
{
_player->GetItemInterface()->BuildInventoryChangeError(tmpItem, NULL, INV_ERR_CANT_DO_IN_COMBAT);
return;
}
if(p_User->GetStandState() != 1)
p_User->SetStandState(STANDSTATE_SIT);
// loop through the auras and removing existing eating spells
}
else // cebernic: why not stand up
{
if(!p_User->CombatStatus.IsInCombat() && !p_User->IsMounted())
{
if(p_User->GetStandState())
{
p_User->SetStandState(STANDSTATE_STAND);
}
}
}
// cebernic: remove stealth on using item
if(!(spellInfo->AuraInterruptFlags & ATTRIBUTESEX_NOT_BREAK_STEALTH))
{
if(p_User->IsStealth())
p_User->RemoveAllAuraType(SPELL_AURA_MOD_STEALTH);
}
if(itemProto->RequiredLevel)
{
if(_player->getLevel() < itemProto->RequiredLevel)
{
_player->GetItemInterface()->BuildInventoryChangeError(tmpItem, NULL, INV_ERR_ITEM_RANK_NOT_ENOUGH);
return;
}
}
if(itemProto->RequiredSkill)
{
if(!_player->_HasSkillLine(itemProto->RequiredSkill))
{
_player->GetItemInterface()->BuildInventoryChangeError(tmpItem, NULL, INV_ERR_ITEM_RANK_NOT_ENOUGH);
return;
}
if(itemProto->RequiredSkillRank)
{
if(_player->_GetSkillLineCurrent(itemProto->RequiredSkill, false) < itemProto->RequiredSkillRank)
{
_player->GetItemInterface()->BuildInventoryChangeError(tmpItem, NULL, INV_ERR_ITEM_RANK_NOT_ENOUGH);
return;
}
}
}
if((itemProto->AllowableClass && !(_player->getClassMask() & itemProto->AllowableClass)) || (itemProto->AllowableRace && !(_player->getRaceMask() & itemProto->AllowableRace)))
{
_player->GetItemInterface()->BuildInventoryChangeError(tmpItem, NULL, INV_ERR_YOU_CAN_NEVER_USE_THAT_ITEM);
return;
}
if(!_player->Cooldown_CanCast(spellInfo))
{
_player->SendCastResult(spellInfo->Id, SPELL_FAILED_NOT_READY, cn, 0);
return;
}
if(_player->m_currentSpell)
{
_player->SendCastResult(spellInfo->Id, SPELL_FAILED_SPELL_IN_PROGRESS, cn, 0);
return;
}
if(itemProto->ForcedPetId >= 0)
{
if(itemProto->ForcedPetId == 0)
{
if(_player->GetGUID() != targets.m_unitTarget)
{
_player->SendCastResult(spellInfo->Id, SPELL_FAILED_BAD_TARGETS, cn, 0);
return;
}
}
else
{
if(!_player->GetSummon() || _player->GetSummon()->GetEntry() != (uint32)itemProto->ForcedPetId)
{
_player->SendCastResult(spellInfo->Id, SPELL_FAILED_SPELL_IN_PROGRESS, cn, 0);
return;
}
}
}
Spell* spell = sSpellFactoryMgr.NewSpell(_player, spellInfo, false, NULL);
spell->extra_cast_number = cn;
spell->i_caster = tmpItem;
spell->m_glyphslot = glyphIndex;
//GetPlayer()->setCurrentSpell(spell);
spell->prepare(&targets);
#ifdef ENABLE_ACHIEVEMENTS
_player->GetAchievementMgr().UpdateAchievementCriteria(ACHIEVEMENT_CRITERIA_TYPE_USE_ITEM, itemProto->ItemId, 0, 0);
#endif
}
void WorldSession::HandlePetSetAction( WorldPacket & recv_data )
{
CHECK_PACKET_SIZE(recv_data, 8+4+2+2);
sLog.outDetail( "HandlePetSetAction. CMSG_PET_SET_ACTION" );
uint64 petguid;
uint32 position;
uint16 spell_id;
uint16 act_state;
uint8 count;
recv_data >> petguid;
Unit* pet = ObjectAccessor::GetUnit(*_player, petguid);
if(!pet || pet != _player->GetFirstControlled())
{
sLog.outError( "HandlePetSetAction: Unknown pet or pet owner." );
return;
}
CharmInfo *charmInfo = pet->GetCharmInfo();
if(!charmInfo)
{
sLog.outError("WorldSession::HandlePetSetAction: object "I64FMTD" is considered pet-like but doesn't have a charminfo!", pet->GetGUID());
return;
}
count = (recv_data.size() == 24) ? 2 : 1;
for(uint8 i = 0; i < count; ++i)
{
recv_data >> position;
recv_data >> spell_id;
recv_data >> act_state;
sLog.outDetail( "Player %s has changed pet spell action. Position: %u, Spell: %u, State: 0x%X", _player->GetName(), position, spell_id, act_state);
//if it's act for spell (en/disable/cast) and there is a spell given (0 = remove spell) which pet doesn't know, don't add
if(!((act_state == ACT_ENABLED || act_state == ACT_DISABLED || act_state == ACT_PASSIVE) && spell_id && !pet->HasSpell(spell_id)))
{
//sign for autocast
if(act_state == ACT_ENABLED && spell_id)
{
if(pet->GetTypeId() == TYPEID_UNIT && ((Creature*)pet)->isPet())
((Pet*)pet)->ToggleAutocast(spell_id, true);
else
charmInfo->ToggleCreatureAutocast(spell_id, true);
}
//sign for no/turn off autocast
else if(act_state == ACT_DISABLED && spell_id)
{
if(pet->GetTypeId() == TYPEID_UNIT && ((Creature*)pet)->isPet())
((Pet*)pet)->ToggleAutocast(spell_id, false);
else
charmInfo->ToggleCreatureAutocast(spell_id, false);
}
charmInfo->GetActionBarEntry(position)->Type = act_state;
charmInfo->GetActionBarEntry(position)->SpellOrAction = spell_id;
}
}
}
void WorldSession::HandleSpellClick(WorldPacket & recvPacket)
{
CHECK_INWORLD_RETURN
LOG_DETAIL("WORLD: got CMSG_SPELLCLICK packet, data length = %i", recvPacket.size());
if(_player->getDeathState() == CORPSE)
return;
uint64 target_guid; // this will store the guid of the object we are going to use it's spell. There must be a dbc that indicates what spells a unit has
recvPacket >> target_guid;
//we have only 1 example atm for entry : 28605
Unit* target_unit = _player->GetMapMgr()->GetUnit(target_guid);
if(!target_unit)
return;
if( !_player->isInRange( target_unit, MAX_INTERACTION_RANGE ) )
return;
if( target_unit->IsVehicle() ){
if( target_unit->GetVehicleComponent() != NULL )
target_unit->GetVehicleComponent()->AddPassenger( _player );
return;
}
uint32 creature_id = target_unit->GetEntry();
uint32 cast_spell_id = 0;
if(!_player->HasAurasWithNameHash(SPELL_HASH_LIGHTWELL_RENEW) && target_unit->RemoveAura(59907))
{
SpellClickSpell *sp = SpellClickSpellStorage.LookupEntry( creature_id );
if( sp == NULL ){
if( target_unit->IsCreature() ){
Creature *c = TO< Creature* >( target_unit );
sChatHandler.BlueSystemMessage( this, "NPC Id %u ( %s ) has no spellclick spell associated with it.", c->GetProto()->Id, c->GetCreatureInfo()->Name );
LOG_ERROR("Spellclick packet received for creature %u but there is no spell associated with it.", creature_id );
return;
}
}
cast_spell_id = sp->SpellID;
target_unit->CastSpell(_player, cast_spell_id, true);
if(!target_unit->HasAura(59907))
TO_CREATURE(target_unit)->Despawn(0, 0); //IsCreature() check is not needed, refer to r2387 and r3230
return;
}
SpellClickSpell *sp = SpellClickSpellStorage.LookupEntry( creature_id );
if( sp == NULL ){
if( target_unit->IsCreature() ){
Creature *c = TO< Creature* >( target_unit );
sChatHandler.BlueSystemMessage( this, "NPC Id %u ( %s ) has no spellclick spell associated with it.", c->GetProto()->Id, c->GetCreatureInfo()->Name );
LOG_ERROR("Spellclick packet received for creature %u but there is no spell associated with it.", creature_id );
return;
}
}
cast_spell_id = sp->SpellID;
if(cast_spell_id == 0)
return;
SpellEntry* spellInfo = dbcSpell.LookupEntryForced(cast_spell_id);
if(spellInfo == NULL)
return;
Spell* spell = sSpellFactoryMgr.NewSpell(_player, spellInfo, false, NULL);
SpellCastTargets targets(target_guid);
spell->prepare(&targets);
}
void WorldSession::HandleCastSpellOpcode(WorldPacket& recvPacket)
{
uint32 spellId;
uint8 cast_count;
recvPacket >> spellId;
recvPacket >> cast_count;
// ignore for remote control state (for player case)
Unit* mover = _player->GetMover();
if (mover != _player && mover->GetTypeId()==TYPEID_PLAYER)
{
recvPacket.rpos(recvPacket.wpos()); // prevent spam at ignore packet
return;
}
DEBUG_LOG("WORLD: got cast spell packet, spellId - %u, cast_count: %u data length = %i",
spellId, cast_count, (uint32)recvPacket.size());
SpellEntry const *spellInfo = sSpellStore.LookupEntry(spellId );
if(!spellInfo)
{
sLog.outError("WORLD: unknown spell id %u", spellId);
recvPacket.rpos(recvPacket.wpos()); // prevent spam at ignore packet
return;
}
if (mover->GetTypeId()==TYPEID_PLAYER)
{
// not have spell in spellbook or spell passive and not casted by client
if (!((Player*)mover)->HasActiveSpell (spellId) || IsPassiveSpell(spellInfo))
{
sLog.outError("World: Player %u casts spell %u which he shouldn't have", mover->GetGUIDLow(), spellId);
//cheater? kick? ban?
recvPacket.rpos(recvPacket.wpos()); // prevent spam at ignore packet
return;
}
// Anti WPE Honorless Target
if(GetSecurity() < SECURITY_MODERATOR && spellId == 2479)
{
sLog.outError("WPE PROTECTION: Player '%s' wants to cast Honorless Target", GetPlayerName());
sLog.outInterest("WPE PROTECTION: Player '%s' chce castit Honorless Target", GetPlayerName());
sWorld.BanAccount(BAN_CHARACTER, GetPlayerName(), 0, "WPE Honorless Target Hack", "Casso's WPE Protection");
return;
}
}
else
{
// not have spell in spellbook or spell passive and not casted by client
if (!((Creature*)mover)->HasSpell(spellId) || IsPassiveSpell(spellInfo))
{
//cheater? kick? ban?
recvPacket.rpos(recvPacket.wpos()); // prevent spam at ignore packet
return;
}
}
// client provided targets
SpellCastTargets targets;
recvPacket >> targets.ReadForCaster(_player);
// auto-selection buff level base at target level (in spellInfo)
if (Unit* target = targets.getUnitTarget())
{
// if rank not found then function return NULL but in explicit cast case original spell can be casted and later failed with appropriate error message
if (SpellEntry const *actualSpellInfo = sSpellMgr.SelectAuraRankForLevel(spellInfo, target->getLevel()))
spellInfo = actualSpellInfo;
}
Spell *spell = new Spell(_player, spellInfo, false);
spell->m_cast_count = cast_count; // set count of casts
spell->prepare(&targets);
}
void WorldSession::HandleTrainerBuySpellOpcode( WorldPacket & recv_data )
{
WorldPacket data;
uint64 guid;
uint32 spellId, playerGold, price;
uint64 trainer = GetPlayer()->GetSelection();
recv_data >> guid >> spellId;
playerGold = GetPlayer( )->GetUInt32Value( PLAYER_FIELD_COINAGE );
data.Initialize( SMSG_TRAINER_BUY_SUCCEEDED );
data << guid << spellId;
SendPacket( &data );
SpellEntry *proto = sSpellStore.LookupEntry(spellId);
price = sWorld.mPrices[proto->spellLevel];
if( playerGold >= price
&& ((GetPlayer()->GetUInt32Value( UNIT_FIELD_LEVEL )) >= (proto->spellLevel)))
{
GetPlayer( )->SetUInt32Value( PLAYER_FIELD_COINAGE, playerGold - price );
data.Initialize( SMSG_SPELL_START );
data << guid;
data << guid;
data << spellId;
data << uint16(0);
data << uint32(0);
data << uint16(2);
data << GetPlayer()->GetGUID();
WPAssert(data.size() == 36);
SendPacket( &data );
data.Initialize( SMSG_LEARNED_SPELL );
data << spellId;
SendPacket( &data );
GetPlayer()->addSpell((uint16)spellId);
data.Initialize( SMSG_SPELL_GO );
data << guid;
data << guid;
data << spellId;
data << uint8(0) << uint8(1) << uint8(1);
data << GetPlayer()->GetGUID();
data << uint8(0);
data << uint16(2);
data << GetPlayer()->GetGUID();
WPAssert(data.size() == 42);
SendPacket( &data );
data.Initialize( SMSG_SPELLLOGEXECUTE );
data << guid;
data << spellId;
data << uint32(1);
data << uint32(0x24);
data << uint32(1);
data << GetPlayer()->GetGUID();
WPAssert(data.size() == 32);
SendPacket( &data );
SendTrainerList( guid );
}
}
void WorldSession::HandleUseItemOpcode(WorldPacket& recvPacket)
{
uint8 bagIndex, slot;
uint8 spell_count; // number of spells at item, not used
uint8 cast_count; // next cast if exists (single or not)
uint64 item_guid;
recvPacket >> bagIndex >> slot >> spell_count >> cast_count >> item_guid;
// TODO: add targets.read() check
Player* pUser = _player;
// ignore for remote control state
if (!pUser->IsSelfMover())
{
recvPacket.rpos(recvPacket.wpos()); // prevent spam at not read packet tail
return;
}
Item *pItem = pUser->GetItemByPos(bagIndex, slot);
if (!pItem)
{
recvPacket.rpos(recvPacket.wpos()); // prevent spam at not read packet tail
pUser->SendEquipError(EQUIP_ERR_ITEM_NOT_FOUND, NULL, NULL );
return;
}
if (pItem->GetGUID() != item_guid)
{
recvPacket.rpos(recvPacket.wpos()); // prevent spam at not read packet tail
pUser->SendEquipError(EQUIP_ERR_ITEM_NOT_FOUND, NULL, NULL );
return;
}
DETAIL_LOG("WORLD: CMSG_USE_ITEM packet, bagIndex: %u, slot: %u, spell_count: %u , cast_count: %u, Item: %u, data length = %i", bagIndex, slot, spell_count, cast_count, pItem->GetEntry(), (uint32)recvPacket.size());
ItemPrototype const *proto = pItem->GetProto();
if (!proto)
{
recvPacket.rpos(recvPacket.wpos()); // prevent spam at not read packet tail
pUser->SendEquipError(EQUIP_ERR_ITEM_NOT_FOUND, pItem, NULL );
return;
}
// some item classes can be used only in equipped state
if (proto->InventoryType != INVTYPE_NON_EQUIP && !pItem->IsEquipped())
{
recvPacket.rpos(recvPacket.wpos()); // prevent spam at not read packet tail
pUser->SendEquipError(EQUIP_ERR_ITEM_NOT_FOUND, pItem, NULL );
return;
}
uint8 msg = pUser->CanUseItem(pItem);
if (msg != EQUIP_ERR_OK)
{
recvPacket.rpos(recvPacket.wpos()); // prevent spam at not read packet tail
pUser->SendEquipError( msg, pItem, NULL );
return;
}
// not allow use item from trade (cheat way only)
if (pItem->IsInTrade())
{
recvPacket.rpos(recvPacket.wpos()); // prevent spam at not read packet tail
pUser->SendEquipError(EQUIP_ERR_ITEM_NOT_FOUND, pItem, NULL );
return;
}
// only allow conjured consumable, bandage, poisons (all should have the 2^21 item flag set in DB)
if (proto->Class == ITEM_CLASS_CONSUMABLE &&
!(proto->Flags & ITEM_FLAG_USEABLE_IN_ARENA) &&
pUser->InArena())
{
recvPacket.rpos(recvPacket.wpos()); // prevent spam at not read packet tail
pUser->SendEquipError(EQUIP_ERR_NOT_DURING_ARENA_MATCH,pItem,NULL);
return;
}
if (pUser->isInCombat())
{
for(int i = 0; i < MAX_ITEM_PROTO_SPELLS; ++i)
{
if (SpellEntry const *spellInfo = sSpellStore.LookupEntry(proto->Spells[i].SpellId))
{
if (IsNonCombatSpell(spellInfo))
{
recvPacket.rpos(recvPacket.wpos()); // prevent spam at not read packet tail
pUser->SendEquipError(EQUIP_ERR_NOT_IN_COMBAT,pItem,NULL);
return;
}
}
}
}
// check also BIND_WHEN_PICKED_UP and BIND_QUEST_ITEM for .additem or .additemset case by GM (not binded at adding to inventory)
if( pItem->GetProto()->Bonding == BIND_WHEN_USE || pItem->GetProto()->Bonding == BIND_WHEN_PICKED_UP || pItem->GetProto()->Bonding == BIND_QUEST_ITEM )
{
if (!pItem->IsSoulBound())
{
pItem->SetState(ITEM_CHANGED, pUser);
pItem->SetBinding( true );
}
}
SpellCastTargets targets;
recvPacket >> targets.ReadForCaster(pUser);
targets.Update(pUser);
if (!pItem->IsTargetValidForItemUse(targets.getUnitTarget()))
{
// free gray item after use fail
pUser->SendEquipError(EQUIP_ERR_NONE, pItem, NULL);
// search spell for spell error
uint32 spellid = 0;
for(int i = 0; i < MAX_ITEM_PROTO_SPELLS; ++i)
{
if( proto->Spells[i].SpellTrigger == ITEM_SPELLTRIGGER_ON_USE || proto->Spells[i].SpellTrigger == ITEM_SPELLTRIGGER_ON_NO_DELAY_USE)
{
spellid = proto->Spells[i].SpellId;
break;
}
}
// send spell error
if (SpellEntry const* spellInfo = sSpellStore.LookupEntry(spellid))
Spell::SendCastResult(_player,spellInfo,cast_count,SPELL_FAILED_BAD_TARGETS);
return;
}
//Note: If script stop casting it must send appropriate data to client to prevent stuck item in gray state.
if (!sScriptMgr.OnItemUse(pUser, pItem, targets))
{
// no script or script not process request by self
pUser->CastItemUseSpell(pItem,targets,cast_count);
}
}
void WorldSession::HandleCastSpellOpcode(WorldPacket& recvPacket)
{
uint32 spellId;
uint8 cast_count, unk_flags;
recvPacket >> cast_count;
recvPacket >> spellId;
recvPacket >> unk_flags; // flags (if 0x02 - some additional data are received)
// ignore for remote control state (for player case)
Unit* _mover = GetPlayer()->GetMover();
if (_mover != GetPlayer() && _mover->GetTypeId()==TYPEID_PLAYER)
{
recvPacket.rpos(recvPacket.wpos()); // prevent spam at ignore packet
return;
}
DEBUG_LOG("WORLD: got cast spell packet, spellId - %u, cast_count: %u, unk_flags %u, data length = %i",
spellId, cast_count, unk_flags, (uint32)recvPacket.size());
/* process anticheat check */
if (!GetPlayer()->GetAntiCheat()->DoAntiCheatCheck(CHECK_SPELL, spellId, CMSG_CAST_SPELL))
return;
SpellEntry const *spellInfo = sSpellStore.LookupEntry(spellId );
if(!spellInfo)
{
sLog.outError("WORLD: unknown spell id %u", spellId);
recvPacket.rpos(recvPacket.wpos()); // prevent spam at ignore packet
return;
}
// Players on vehicles may cast many simple spells (like knock) from self
Unit* mover = NULL;
if (spellInfo->AttributesEx6 & SPELL_ATTR_EX6_UNK12 && _mover->IsCharmerOrOwnerPlayerOrPlayerItself())
mover = _mover->GetCharmerOrOwnerPlayerOrPlayerItself();
else
mover = _mover;
if (mover->GetTypeId()==TYPEID_PLAYER)
{
// not have spell in spellbook or spell passive and not casted by client
if ( ((Player*)mover)->GetUInt16Value(PLAYER_FIELD_BYTES2, 0) == 0 && !((Player*)mover)->HasActiveSpell (spellId) || IsPassiveSpell(spellInfo))
{
sLog.outError("World: Player %u casts spell %u which he shouldn't have", mover->GetGUIDLow(), spellId);
//cheater? kick? ban?
recvPacket.rpos(recvPacket.wpos()); // prevent spam at ignore packet
return;
}
}
else
{
// not have spell in spellbook or spell passive and not casted by client
if (!((Creature*)mover)->HasSpell(spellId) || IsPassiveSpell(spellInfo))
{
//cheater? kick? ban?
recvPacket.rpos(recvPacket.wpos()); // prevent spam at ignore packet
return;
}
}
// client provided targets
SpellCastTargets targets;
recvPacket >> targets.ReadForCaster(mover);
// some spell cast packet including more data (for projectiles?)
if (unk_flags & 0x02)
{
uint8 unk1;
recvPacket >> Unused<float>(); // unk1, coords?
recvPacket >> Unused<float>(); // unk1, coords?
recvPacket >> unk1; // >> 1 or 0
if(unk1)
{
ObjectGuid guid; // guid - unused
MovementInfo movementInfo;
recvPacket >> Unused<uint32>(); // >> MSG_MOVE_STOP
recvPacket >> guid.ReadAsPacked();
recvPacket >> movementInfo;
}
}
void WorldSession::HandleOpenItemOpcode(WorldPacket& recvPacket)
{
sLog.outDetail("WORLD: CMSG_OPEN_ITEM packet, data length = %i",recvPacket.size());
Player* pUser = _player;
uint8 bagIndex, slot;
recvPacket >> bagIndex >> slot;
sLog.outDetail("bagIndex: %u, slot: %u",bagIndex,slot);
Item *pItem = pUser->GetItemByPos(bagIndex, slot);
if (!pItem)
{
pUser->SendEquipError(EQUIP_ERR_ITEM_NOT_FOUND, NULL, NULL);
return;
}
ItemPrototype const *proto = pItem->GetProto();
if (!proto)
{
pUser->SendEquipError(EQUIP_ERR_ITEM_NOT_FOUND, pItem, NULL);
return;
}
// locked item
uint32 lockId = proto->LockID;
if (lockId)
{
LockEntry const *lockInfo = sLockStore.LookupEntry(lockId);
if (!lockInfo)
{
pUser->SendEquipError(EQUIP_ERR_ITEM_LOCKED, pItem, NULL);
sLog.outError("WORLD::OpenItem: item [guid = %u] has an unknown lockId: %u!", pItem->GetGUIDLow(), lockId);
return;
}
// required picklocking
if (lockInfo->requiredlockskill || lockInfo->requiredminingskill)
{
pUser->SendEquipError(EQUIP_ERR_ITEM_LOCKED, pItem, NULL);
return;
}
}
if (pItem->HasFlag(ITEM_FIELD_FLAGS, ITEM_FLAGS_WRAPPED))// wrapped?
{
QueryResult_AutoPtr result = CharacterDatabase.PQuery("SELECT entry, flags FROM character_gifts WHERE item_guid = '%u'", pItem->GetGUIDLow());
if (result)
{
Field *fields = result->Fetch();
uint32 entry = fields[0].GetUInt32();
uint32 flags = fields[1].GetUInt32();
pItem->SetUInt64Value(ITEM_FIELD_GIFTCREATOR, 0);
pItem->SetEntry(entry);
pItem->SetUInt32Value(ITEM_FIELD_FLAGS, flags);
pItem->SetState(ITEM_CHANGED, pUser);
}
else
{
sLog.outError("Wrapped item %u does not have record in character_gifts table and will be deleted", pItem->GetGUIDLow());
pUser->DestroyItem(pItem->GetBagSlot(), pItem->GetSlot(), true);
return;
}
CharacterDatabase.PExecute("DELETE FROM character_gifts WHERE item_guid = '%u'", pItem->GetGUIDLow());
}
else
pUser->SendLoot(pItem->GetGUID(),LOOT_CORPSE);
}
void WorldSession::HandleOpenItemOpcode(WorldPacket& recvPacket)
{
DETAIL_LOG("WORLD: CMSG_OPEN_ITEM packet, data length = " SIZEFMTD, recvPacket.size());
uint8 bagIndex, slot;
recvPacket >> bagIndex >> slot;
DETAIL_LOG("bagIndex: %u, slot: %u",bagIndex,slot);
Player* pUser = _player;
// ignore for remote control state
if (!pUser->IsSelfMover())
return;
Item *pItem = pUser->GetItemByPos(bagIndex, slot);
if(!pItem)
{
pUser->SendEquipError(EQUIP_ERR_ITEM_NOT_FOUND, NULL, NULL );
return;
}
ItemPrototype const *proto = pItem->GetProto();
if(!proto)
{
pUser->SendEquipError(EQUIP_ERR_ITEM_NOT_FOUND, pItem, NULL );
return;
}
// locked item
uint32 lockId = proto->LockID;
if(lockId && !pItem->HasFlag(ITEM_FIELD_FLAGS, ITEM_DYNFLAG_UNLOCKED))
{
LockEntry const *lockInfo = sLockStore.LookupEntry(lockId);
if (!lockInfo)
{
pUser->SendEquipError(EQUIP_ERR_ITEM_LOCKED, pItem, NULL );
sLog.outError( "WORLD::OpenItem: item [guid = %u] has an unknown lockId: %u!", pItem->GetGUIDLow() , lockId);
return;
}
// required picklocking
if(lockInfo->Skill[1] || lockInfo->Skill[0])
{
pUser->SendEquipError(EQUIP_ERR_ITEM_LOCKED, pItem, NULL );
return;
}
}
if (pItem->HasFlag(ITEM_FIELD_FLAGS, ITEM_DYNFLAG_WRAPPED))// wrapped?
{
QueryResult *result = CharacterDatabase.PQuery("SELECT entry, flags FROM character_gifts WHERE item_guid = '%u'", pItem->GetGUIDLow());
if (result)
{
Field *fields = result->Fetch();
uint32 entry = fields[0].GetUInt32();
uint32 flags = fields[1].GetUInt32();
pItem->SetGuidValue(ITEM_FIELD_GIFTCREATOR, ObjectGuid());
pItem->SetEntry(entry);
pItem->SetUInt32Value(ITEM_FIELD_FLAGS, flags);
pItem->SetState(ITEM_CHANGED, pUser);
delete result;
}
else
{
sLog.outError("Wrapped item %u don't have record in character_gifts table and will deleted", pItem->GetGUIDLow());
pUser->DestroyItem(pItem->GetBagSlot(), pItem->GetSlot(), true);
return;
}
static SqlStatementID delGifts ;
SqlStatement stmt = CharacterDatabase.CreateStatement(delGifts, "DELETE FROM character_gifts WHERE item_guid = ?");
stmt.PExecute(pItem->GetGUIDLow());
}
else
pUser->SendLoot(pItem->GetObjectGuid(),LOOT_CORPSE);
}
void WorldSession::HandleUseItemOpcode(WorldPacket& recvPacket)
{
Player* pUser = _player;
uint8 bagIndex, slot;
uint8 spell_count; // number of spells at item, not used
uint8 cast_count; // next cast if exists (single or not)
uint64 item_guid;
recvPacket >> bagIndex >> slot >> spell_count >> cast_count >> item_guid;
Item *pItem = pUser->GetItemByPos(bagIndex, slot);
if (!pItem)
{
recvPacket.rpos(recvPacket.wpos()); // prevent spam at not read packet tail
pUser->SendEquipError(EQUIP_ERR_ITEM_NOT_FOUND, NULL, NULL);
return;
}
if (pItem->GetGUID() != item_guid)
{
recvPacket.rpos(recvPacket.wpos()); // prevent spam at not read packet tail
pUser->SendEquipError(EQUIP_ERR_ITEM_NOT_FOUND, NULL, NULL);
return;
}
sLog.outDetail("WORLD: CMSG_USE_ITEM packet, bagIndex: %u, slot: %u, spell_count: %u , cast_count: %u, Item: %u, data length = %i", bagIndex, slot, spell_count, cast_count, pItem->GetEntry(), recvPacket.size());
ItemPrototype const *proto = pItem->GetProto();
if (!proto)
{
recvPacket.rpos(recvPacket.wpos()); // prevent spam at not read packet tail
pUser->SendEquipError(EQUIP_ERR_ITEM_NOT_FOUND, pItem, NULL);
return;
}
// some item classes can be used only in equipped state
if (proto->InventoryType != INVTYPE_NON_EQUIP && !pItem->IsEquipped())
{
recvPacket.rpos(recvPacket.wpos()); // prevent spam at not read packet tail
pUser->SendEquipError(EQUIP_ERR_ITEM_NOT_FOUND, pItem, NULL);
return;
}
uint8 msg = pUser->CanUseItem(pItem);
if (msg != EQUIP_ERR_OK)
{
recvPacket.rpos(recvPacket.wpos()); // prevent spam at not read packet tail
pUser->SendEquipError(msg, pItem, NULL);
return;
}
// only allow conjured consumable, bandage, poisons (all should have the 2^21 item flag set in DB)
if (proto->Class == ITEM_CLASS_CONSUMABLE &&
!(proto->Flags & ITEM_FLAGS_USEABLE_IN_ARENA) &&
pUser->InArena())
{
recvPacket.rpos(recvPacket.wpos()); // prevent spam at not read packet tail
pUser->SendEquipError(EQUIP_ERR_NOT_DURING_ARENA_MATCH,pItem,NULL);
return;
}
if (pUser->isInCombat())
{
for (int i = 0; i < 5; ++i)
{
if (SpellEntry const *spellInfo = sSpellStore.LookupEntry(proto->Spells[i].SpellId))
{
if (IsNonCombatSpell(spellInfo))
{
recvPacket.rpos(recvPacket.wpos()); // prevent spam at not read packet tail
pUser->SendEquipError(EQUIP_ERR_NOT_IN_COMBAT,pItem,NULL);
return;
}
}
}
}
// check also BIND_WHEN_PICKED_UP and BIND_QUEST_ITEM for .additem or .additemset case by GM (not binded at adding to inventory)
if (pItem->GetProto()->Bonding == BIND_WHEN_USE || pItem->GetProto()->Bonding == BIND_WHEN_PICKED_UP || pItem->GetProto()->Bonding == BIND_QUEST_ITEM)
{
if (!pItem->IsSoulBound())
{
pItem->SetState(ITEM_CHANGED, pUser);
pItem->SetBinding(true);
}
}
SpellCastTargets targets;
recvPacket >> targets.ReadForCaster(pUser);
//Note: If script stop casting it must send appropriate data to client to prevent stuck item in gray state.
if (!sScriptMgr.ItemUse(pUser,pItem,targets))
{
// no script or script not process request by self
// special learning case
if (pItem->GetProto()->Spells[0].SpellId == SPELL_ID_GENERIC_LEARN)
{
uint32 learning_spell_id = pItem->GetProto()->Spells[1].SpellId;
SpellEntry const *spellInfo = sSpellStore.LookupEntry(SPELL_ID_GENERIC_LEARN);
if (!spellInfo)
{
sLog.outError("Item (Entry: %u) has invalid spell id %u, ignoring ",proto->ItemId, SPELL_ID_GENERIC_LEARN);
pUser->SendEquipError(EQUIP_ERR_NONE,pItem,NULL);
return;
}
Spell *spell = new Spell(pUser, spellInfo, false);
spell->m_CastItem = pItem;
spell->m_cast_count = cast_count; //set count of casts
spell->m_currentBasePoints[0] = learning_spell_id;
spell->prepare(&targets);
return;
}
// use triggered flag only for items with many spell casts and for not first cast
int count = 0;
for (int i = 0; i < 5; ++i)
{
_Spell const& spellData = pItem->GetProto()->Spells[i];
// no spell
if (!spellData.SpellId)
continue;
// wrong triggering type
if (spellData.SpellTrigger != ITEM_SPELLTRIGGER_ON_USE && spellData.SpellTrigger != ITEM_SPELLTRIGGER_ON_NO_DELAY_USE)
continue;
SpellEntry const *spellInfo = sSpellStore.LookupEntry(spellData.SpellId);
if (!spellInfo)
{
sLog.outError("Item (Entry: %u) has invalid spell id %u, ignoring ",proto->ItemId, spellData.SpellId);
continue;
}
Spell *spell = new Spell(pUser, spellInfo, (count > 0));
spell->m_CastItem = pItem;
spell->m_cast_count = cast_count; //set count of casts
spell->prepare(&targets);
++count;
}
}
}
void WorldSession::HandleCastSpellOpcode(WorldPacket& recvPacket)
{
uint32 spellId, glyphIndex;
uint8 cast_count, cast_flags;
recvPacket >> cast_count;
recvPacket >> spellId >> glyphIndex;
recvPacket >> cast_flags; // flags (if 0x02 - some additional data are received)
// ignore for remote control state (for player case)
Unit* _mover = GetPlayer()->GetMover();
if (_mover != GetPlayer() && _mover->GetTypeId()==TYPEID_PLAYER)
{
recvPacket.rpos(recvPacket.wpos()); // prevent spam at ignore packet
return;
}
DEBUG_LOG("WORLD: got cast spell packet, spellId - %u, cast_count: %u, cast_flags %u, data length = " SIZEFMTD,
spellId, cast_count, cast_flags, recvPacket.size());
/* process anticheat check */
if (!GetPlayer()->GetAntiCheat()->DoAntiCheatCheck(CHECK_SPELL, spellId, CMSG_CAST_SPELL))
return;
SpellEntry const *spellInfo = sSpellStore.LookupEntry(spellId );
if(!spellInfo)
{
sLog.outError("WORLD: unknown spell id %u", spellId);
recvPacket.rpos(recvPacket.wpos()); // prevent spam at ignore packet
return;
}
// Players on vehicles may cast many simple spells (like knock) from self
Unit* mover = NULL;
if (spellInfo->HasAttribute(SPELL_ATTR_EX6_CASTABLE_ON_VEHICLE) && _mover->IsCharmerOrOwnerPlayerOrPlayerItself())
mover = _mover->GetCharmerOrOwnerPlayerOrPlayerItself();
else
mover = _mover;
// casting own spells on some vehicles
if (mover->IsVehicle() && mover->GetCharmerOrOwnerPlayerOrPlayerItself())
{
Player *plr = mover->GetCharmerOrOwnerPlayerOrPlayerItself();
if (mover->GetVehicleKit()->GetSeatInfo(plr) &&
((mover->GetVehicleKit()->GetSeatInfo(plr)->m_flags & SEAT_FLAG_CAN_ATTACK) ||
(mover->GetVehicleKit()->GetSeatInfo(plr)->m_flags & SEAT_FLAG_CAN_CAST) ))
mover = plr;
}
bool triggered = false;
SpellEntry const* triggeredBy = NULL;
Aura const* triggeredByAura = mover->GetTriggeredByClientAura(spellId);
if (triggeredByAura)
{
triggered = true;
triggeredBy = triggeredByAura->GetSpellProto();
cast_count = 0;
}
if (mover->GetTypeId()==TYPEID_PLAYER)
{
// not have spell in spellbook or spell passive and not casted by client
if (((((Player*)mover)->GetUInt16Value(PLAYER_FIELD_BYTES2, 0) == 0 &&
(!((Player*)mover)->HasActiveSpell(spellId) && !triggered))
|| IsPassiveSpell(spellInfo)) && spellId != 1843)
{
sLog.outError("WorldSession::HandleCastSpellOpcode: %s casts spell %u which he shouldn't have", mover->GetObjectGuid().GetString().c_str(), spellId);
//cheater? kick? ban?
recvPacket.rpos(recvPacket.wpos()); // prevent spam at ignore packet
return;
}
}
else
{
// not have spell in spellbook or spell passive and not casted by client
if ((!((Creature*)mover)->HasSpell(spellId) && !triggered)
|| IsPassiveSpell(spellInfo))
{
sLog.outError("WorldSession::HandleCastSpellOpcode: %s try casts spell %u which he shouldn't have", mover->GetObjectGuid().GetString().c_str(), spellId);
//cheater? kick? ban?
recvPacket.rpos(recvPacket.wpos()); // prevent spam at ignore packet
return;
}
}
Unit::AuraList swaps = mover->GetAurasByType(SPELL_AURA_OVERRIDE_ACTIONBAR_SPELLS);
Unit::AuraList const& swaps2 = mover->GetAurasByType(SPELL_AURA_OVERRIDE_ACTIONBAR_SPELLS_2);
if (!swaps2.empty())
swaps.insert(swaps.end(), swaps2.begin(), swaps2.end());
for (Unit::AuraList::const_iterator itr = swaps.begin(); itr != swaps.end(); ++itr)
{
if ((*itr)->isAffectedOnSpell(spellInfo))
{
if (SpellEntry const* newInfo = sSpellStore.LookupEntry((*itr)->GetModifier()->m_amount))
{
spellInfo = newInfo;
spellId = newInfo->Id;
}
break;
}
}
// client provided targets
SpellCastTargets targets;
recvPacket >> targets.ReadForCaster(mover);
targets.ReadAdditionalData(recvPacket, cast_flags);
// auto-selection buff level base at target level (in spellInfo)
if (Unit* target = targets.getUnitTarget())
{
// if rank not found then function return NULL but in explicit cast case original spell can be casted and later failed with appropriate error message
if (SpellEntry const *actualSpellInfo = sSpellMgr.SelectAuraRankForLevel(spellInfo, target->getLevel()))
spellInfo = actualSpellInfo;
}
Spell *spell = new Spell(mover, spellInfo, triggered, mover->GetObjectGuid(), triggeredBy);
spell->m_cast_count = cast_count; // set count of casts
spell->m_glyphIndex = glyphIndex;
spell->prepare(&targets, triggeredByAura);
}
void WorldSession::HandlePetSetAction( WorldPacket & recv_data )
{
CHECK_PACKET_SIZE(recv_data, 8+4+2+2);
sLog.outDetail( "HandlePetSetAction. CMSG_PET_SET_ACTION" );
uint64 petguid;
uint32 position;
uint16 spell_id;
uint16 act_state;
uint8 count;
recv_data >> petguid;
// FIXME: charmed case
//Pet* pet = ObjectAccessor::Instance().GetPet(petguid);
if(ObjectAccessor::FindPlayer(petguid))
return;
Creature* pet = ObjectAccessor::GetCreatureOrPetOrVehicle(*_player, petguid);
if(!pet || (pet != _player->GetPet() && pet != _player->GetCharm()))
{
sLog.outError( "HandlePetSetAction: Unknown pet or pet owner." );
return;
}
CharmInfo *charmInfo = pet->GetCharmInfo();
if(!charmInfo)
{
sLog.outError("WorldSession::HandlePetSetAction: object (GUID: %u TypeId: %u) is considered pet-like but doesn't have a charminfo!", pet->GetGUIDLow(), pet->GetTypeId());
return;
}
count = (recv_data.size() == 24) ? 2 : 1;
for(uint8 i = 0; i < count; ++i)
{
recv_data >> position;
recv_data >> spell_id;
recv_data >> act_state;
sLog.outDetail( "Player %s has changed pet spell action. Position: %u, Spell: %u, State: 0x%X", _player->GetName(), position, spell_id, act_state);
//ignore invalid position
if(position >= MAX_UNIT_ACTION_BAR_INDEX)
return;
//if it's act for spell (en/disable/cast) and there is a spell given (0 = remove spell) which pet doesn't know, don't add
if(!((act_state == ACT_ENABLED || act_state == ACT_DISABLED || act_state == ACT_PASSIVE) && spell_id && !pet->HasSpell(spell_id)))
{
//sign for autocast
if(act_state == ACT_ENABLED && spell_id)
{
if(pet->isCharmed())
charmInfo->ToggleCreatureAutocast(spell_id, true);
else
((Pet*)pet)->ToggleAutocast(spell_id, true);
}
//sign for no/turn off autocast
else if(act_state == ACT_DISABLED && spell_id)
{
if(pet->isCharmed())
charmInfo->ToggleCreatureAutocast(spell_id, false);
else
((Pet*)pet)->ToggleAutocast(spell_id, false);
}
charmInfo->SetActionBar(position,spell_id,ActiveStates(act_state));
}
}
}
void WorldSession::HandleMovementOpcodes(WorldPacket & recvData)
{
uint16 opcode = recvData.GetOpcode();
Unit* mover = _player->m_mover;
ASSERT(mover != NULL); // there must always be a mover
Player* plrMover = mover->ToPlayer();
// ignore, waiting processing in WorldSession::HandleMoveWorldportAckOpcode and WorldSession::HandleMoveTeleportAck
if (plrMover && plrMover->IsBeingTeleported())
{
recvData.rfinish(); // prevent warnings spam
return;
}
/* extract packet */
uint64 guid;
recvData.readPackGUID(guid);
MovementInfo movementInfo;
movementInfo.guid = guid;
ReadMovementInfo(recvData, &movementInfo);
recvData.rfinish(); // prevent warnings spam
// prevent tampered movement data
if (guid != mover->GetGUID())
return;
if (!movementInfo.pos.IsPositionValid())
{
recvData.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)
{
recvData.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()))
{
recvData.rfinish(); // prevent warnings spam
return;
}
// if we boarded a transport, add us to it
if (plrMover)
{
if (!plrMover->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)
{
plrMover->m_transport = *iter;
(*iter)->AddPassenger(plrMover);
break;
}
}
}
else if (plrMover->GetTransport()->GetGUID() != movementInfo.t_guid)
{
bool foundNewTransport = false;
plrMover->m_transport->RemovePassenger(plrMover);
for (MapManager::TransportSet::const_iterator iter = sMapMgr->m_Transports.begin(); iter != sMapMgr->m_Transports.end(); ++iter)
{
if ((*iter)->GetGUID() == movementInfo.t_guid)
{
foundNewTransport = true;
plrMover->m_transport = *iter;
(*iter)->AddPassenger(plrMover);
break;
}
}
if (!foundNewTransport)
{
plrMover->m_transport = NULL;
movementInfo.t_pos.Relocate(0.0f, 0.0f, 0.0f, 0.0f);
movementInfo.t_time = 0;
movementInfo.t_seat = -1;
}
}
}
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 (plrMover && plrMover->GetTransport()) // if we were on a transport, leave
{
plrMover->m_transport->RemovePassenger(plrMover);
plrMover->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 && plrMover && !plrMover->isInFlight())
plrMover->HandleFall(movementInfo);
if (plrMover && ((movementInfo.flags & MOVEMENTFLAG_SWIMMING) != 0) != plrMover->IsInWater())
{
// now client not include swimming flag in case jumping under water
plrMover->SetInWater(!plrMover->IsInWater() || plrMover->GetBaseMap()->IsUnderWater(movementInfo.pos.GetPositionX(), movementInfo.pos.GetPositionY(), movementInfo.pos.GetPositionZ()));
}
if (plrMover)
sAnticheatMgr->StartHackDetection(plrMover, movementInfo, opcode);
/*----------------------*/
/* process position-change */
WorldPacket data(opcode, recvData.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 (plrMover) // nothing is charmed, or player charmed
{
plrMover->UpdateFallInformationIfNeed(movementInfo, opcode);
if (movementInfo.pos.GetPositionZ() < -500.0f)
{
if (!(plrMover->GetBattleground() && plrMover->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 (plrMover->isAlive())
{
plrMover->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 (!plrMover->isAlive())
plrMover->KillPlayer();
}
}
}
}
}
void WorldSession::ReadAddonsInfo(WorldPacket &data)
{
if (data.rpos() + 4 > data.size())
return;
uint32 size;
data >> size;
if (!size)
return;
if (size > 0xFFFFF)
{
sLog->outError(LOG_FILTER_GENERAL, "WorldSession::ReadAddonsInfo addon info too big, size %u", size);
return;
}
uLongf uSize = size;
uint32 pos = data.rpos();
ByteBuffer addonInfo;
addonInfo.resize(size);
if (uncompress(addonInfo.contents(), &uSize, data.contents() + pos, data.size() - pos) == Z_OK)
{
uint32 addonsCount;
addonInfo >> addonsCount; // addons count
for (uint32 i = 0; i < addonsCount; ++i)
{
std::string addonName;
uint8 enabled;
uint32 crc, unk1;
// check next addon data format correctness
if (addonInfo.rpos() + 1 > addonInfo.size())
return;
addonInfo >> addonName;
addonInfo >> enabled >> crc >> unk1;
sLog->outInfo(LOG_FILTER_GENERAL, "ADDON: Name: %s, Enabled: 0x%x, CRC: 0x%x, Unknown2: 0x%x", addonName.c_str(), enabled, crc, unk1);
AddonInfo addon(addonName, enabled, crc, 2, true);
SavedAddon const* savedAddon = AddonMgr::GetAddonInfo(addonName);
if (savedAddon)
{
bool match = true;
if (addon.CRC != savedAddon->CRC)
match = false;
if (!match)
sLog->outInfo(LOG_FILTER_GENERAL, "ADDON: %s was known, but didn't match known CRC (0x%x)!", addon.Name.c_str(), savedAddon->CRC);
else
sLog->outInfo(LOG_FILTER_GENERAL, "ADDON: %s was known, CRC is correct (0x%x)", addon.Name.c_str(), savedAddon->CRC);
}
else
{
AddonMgr::SaveAddon(addon);
sLog->outInfo(LOG_FILTER_GENERAL, "ADDON: %s (0x%x) was not known, saving...", addon.Name.c_str(), addon.CRC);
}
/// @todo Find out when to not use CRC/pubkey, and other possible states.
m_addonsList.push_back(addon);
}
uint32 currentTime;
addonInfo >> currentTime;
sLog->outDebug(LOG_FILTER_NETWORKIO, "ADDON: CurrentTime: %u", currentTime);
if (addonInfo.rpos() != addonInfo.size())
sLog->outDebug(LOG_FILTER_NETWORKIO, "packet under-read!");
}
void WorldSession::HandlePetSetAction( WorldPacket & recv_data )
{
sLog.outDetail( "HandlePetSetAction. CMSG_PET_SET_ACTION" );
uint64 petguid;
uint8 count;
recv_data >> petguid;
Creature* pet = _player->GetMap()->GetCreatureOrPetOrVehicle(petguid);
if(!pet || (pet != _player->GetPet() && pet != _player->GetCharm()))
{
sLog.outError( "HandlePetSetAction: Unknown pet or pet owner." );
return;
}
CharmInfo *charmInfo = pet->GetCharmInfo();
if(!charmInfo)
{
sLog.outError("WorldSession::HandlePetSetAction: object (GUID: %u TypeId: %u) is considered pet-like but doesn't have a charminfo!", pet->GetGUIDLow(), pet->GetTypeId());
return;
}
count = (recv_data.size() == 24) ? 2 : 1;
uint32 position[2];
uint32 data[2];
bool move_command = false;
for(uint8 i = 0; i < count; ++i)
{
recv_data >> position[i];
recv_data >> data[i];
uint8 act_state = UNIT_ACTION_BUTTON_TYPE(data[i]);
//ignore invalid position
if(position[i] >= MAX_UNIT_ACTION_BAR_INDEX)
return;
// in the normal case, command and reaction buttons can only be moved, not removed
// at moving count ==2, at removing count == 1
// ignore attempt to remove command|reaction buttons (not possible at normal case)
if (act_state == ACT_COMMAND || act_state == ACT_REACTION)
{
if (count == 1)
return;
move_command = true;
}
}
// check swap
if (move_command)
{
uint8 act_state_0 = UNIT_ACTION_BUTTON_TYPE(data[0]);
uint32 spell_id_0 = UNIT_ACTION_BUTTON_ACTION(data[0]);
UnitActionBarEntry const* actionEntry_1 = charmInfo->GetActionBarEntry(position[1]);
if (!actionEntry_1 || spell_id_0 != actionEntry_1->GetAction() ||
act_state_0 != actionEntry_1->GetType())
return;
uint8 act_state_1 = UNIT_ACTION_BUTTON_TYPE(data[1]);
uint32 spell_id_1 = UNIT_ACTION_BUTTON_ACTION(data[1]);
UnitActionBarEntry const* actionEntry_0 = charmInfo->GetActionBarEntry(position[0]);
if (!actionEntry_0 || spell_id_1 != actionEntry_0->GetAction() ||
act_state_1 != actionEntry_0->GetType())
return;
}
for(uint8 i = 0; i < count; ++i)
{
uint32 spell_id = UNIT_ACTION_BUTTON_ACTION(data[i]);
uint8 act_state = UNIT_ACTION_BUTTON_TYPE(data[i]);
sLog.outDetail( "Player %s has changed pet spell action. Position: %u, Spell: %u, State: 0x%X", _player->GetName(), position[i], spell_id, uint32(act_state));
//if it's act for spell (en/disable/cast) and there is a spell given (0 = remove spell) which pet doesn't know, don't add
if(!((act_state == ACT_ENABLED || act_state == ACT_DISABLED || act_state == ACT_PASSIVE) && spell_id && !pet->HasSpell(spell_id)))
{
//sign for autocast
if(act_state == ACT_ENABLED && spell_id)
{
if(pet->isCharmed())
charmInfo->ToggleCreatureAutocast(spell_id, true);
else
((Pet*)pet)->ToggleAutocast(spell_id, true);
}
//sign for no/turn off autocast
else if(act_state == ACT_DISABLED && spell_id)
{
if(pet->isCharmed())
charmInfo->ToggleCreatureAutocast(spell_id, false);
else
((Pet*)pet)->ToggleAutocast(spell_id, false);
}
charmInfo->SetActionBar(position[i],spell_id,ActiveStates(act_state));
}
}
}
void WorldSession::ReadAddonsInfo(WorldPacket &data)
{
if (data.rpos() + 4 > data.size())
return;
uint32 size;
data >> size;
if (!size)
return;
if (size > 0xFFFFF)
{
TC_LOG_ERROR("misc", "WorldSession::ReadAddonsInfo addon info too big, size %u", size);
return;
}
uLongf uSize = size;
uint32 pos = data.rpos();
ByteBuffer addonInfo;
addonInfo.resize(size);
if (uncompress(addonInfo.contents(), &uSize, data.contents() + pos, data.size() - pos) == Z_OK)
{
uint32 addonsCount;
addonInfo >> addonsCount; // addons count
for (uint32 i = 0; i < addonsCount; ++i)
{
std::string addonName;
uint8 usingPubKey;
uint32 crc, urlFile;
// check next addon data format correctness
if (addonInfo.rpos() + 1 > addonInfo.size())
return;
addonInfo >> addonName;
addonInfo >> usingPubKey >> crc >> urlFile;
TC_LOG_INFO("misc", "ADDON: Name: %s, UsePubKey: 0x%x, CRC: 0x%x, UrlFile: %i", addonName.c_str(), usingPubKey, crc, urlFile);
AddonInfo addon(addonName, true, crc, 2, usingPubKey);
SavedAddon const* savedAddon = AddonMgr::GetAddonInfo(addonName);
if (savedAddon)
{
if (addon.CRC != savedAddon->CRC)
TC_LOG_INFO("misc", "ADDON: %s was known, but didn't match known CRC (0x%x)!", addon.Name.c_str(), savedAddon->CRC);
else
TC_LOG_INFO("misc", "ADDON: %s was known, CRC is correct (0x%x)", addon.Name.c_str(), savedAddon->CRC);
}
else
{
AddonMgr::SaveAddon(addon);
TC_LOG_INFO("misc", "ADDON: %s (0x%x) was not known, saving...", addon.Name.c_str(), addon.CRC);
}
/// @todo Find out when to not use CRC/pubkey, and other possible states.
m_addonsList.push_back(addon);
}
uint32 currentTime;
addonInfo >> currentTime;
TC_LOG_DEBUG("network", "ADDON: CurrentTime: %u", currentTime);
}
