void WorldSession::HandleTrainerBuySpellOpcode(WorldPackets::NPC::TrainerBuySpell& packet)
{
TC_LOG_DEBUG("network", "WORLD: Received CMSG_TRAINER_BUY_SPELL %s, learn spell id is: %i", packet.TrainerGUID.ToString().c_str(), packet.SpellID);
Creature* unit = GetPlayer()->GetNPCIfCanInteractWith(packet.TrainerGUID, UNIT_NPC_FLAG_TRAINER);
if (!unit)
{
TC_LOG_DEBUG("network", "WORLD: HandleTrainerBuySpellOpcode - %s not found or you can not interact with him.", packet.TrainerGUID.ToString().c_str());
return;
}
// remove fake death
if (GetPlayer()->HasUnitState(UNIT_STATE_DIED))
GetPlayer()->RemoveAurasByType(SPELL_AURA_FEIGN_DEATH);
// check present spell in trainer spell list
TrainerSpellData const* trainer_spells = unit->GetTrainerSpells();
if (!trainer_spells)
{
SendTrainerBuyFailed(packet.TrainerGUID, packet.SpellID, 0);
return;
}
// not found, cheat?
TrainerSpell const* trainerSpell = trainer_spells->Find(packet.SpellID);
if (!trainerSpell)
{
SendTrainerBuyFailed(packet.TrainerGUID, packet.SpellID, 0);
return;
}
// can't be learn, cheat? Or double learn with lags...
if (_player->GetTrainerSpellState(trainerSpell) != TRAINER_SPELL_GREEN)
{
SendTrainerBuyFailed(packet.TrainerGUID, packet.SpellID, 0);
return;
}
// apply reputation discount
uint32 nSpellCost = uint32(floor(trainerSpell->MoneyCost * _player->GetReputationPriceDiscount(unit)));
// check money requirement
if (!_player->HasEnoughMoney(uint64(nSpellCost)))
{
SendTrainerBuyFailed(packet.TrainerGUID, packet.SpellID, 1);
return;
}
_player->ModifyMoney(-int64(nSpellCost));
unit->SendPlaySpellVisualKit(179, 0); // 53 SpellCastDirected
_player->SendPlaySpellVisualKit(362, 1); // 113 EmoteSalute
// learn explicitly or cast explicitly
if (trainerSpell->IsCastable())
_player->CastSpell(_player, trainerSpell->SpellID, true);
else
_player->LearnSpell(packet.SpellID, false);
}
void WorldSession::HandleTrainerBuySpellOpcode(WorldPacket& recvData)
{
ObjectGuid guid;
uint32 spellId;
uint32 trainerId;
recvData >> spellId >> trainerId;
guid[1] = recvData.ReadBit();
guid[4] = recvData.ReadBit();
guid[0] = recvData.ReadBit();
guid[6] = recvData.ReadBit();
guid[3] = recvData.ReadBit();
guid[2] = recvData.ReadBit();
guid[5] = recvData.ReadBit();
guid[7] = recvData.ReadBit();
recvData.ReadByteSeq(guid[3]);
recvData.ReadByteSeq(guid[1]);
recvData.ReadByteSeq(guid[4]);
recvData.ReadByteSeq(guid[7]);
recvData.ReadByteSeq(guid[0]);
recvData.ReadByteSeq(guid[5]);
recvData.ReadByteSeq(guid[6]);
recvData.ReadByteSeq(guid[2]);
TC_LOG_DEBUG("network", "WORLD: Received CMSG_TRAINER_BUY_SPELL NpcGUID=%u, learn spell id is: %u", uint32(GUID_LOPART(guid)), spellId);
Creature* unit = GetPlayer()->GetNPCIfCanInteractWith(guid, UNIT_NPC_FLAG_TRAINER);
if (!unit)
{
TC_LOG_DEBUG("network", "WORLD: HandleTrainerBuySpellOpcode - Unit (GUID: %u) not found or you can not interact with him.", uint32(GUID_LOPART(guid)));
return;
}
// remove fake death
if (GetPlayer()->HasUnitState(UNIT_STATE_DIED))
GetPlayer()->RemoveAurasByType(SPELL_AURA_FEIGN_DEATH);
// check present spell in trainer spell list
TrainerSpellData const* trainer_spells = unit->GetTrainerSpells();
if (!trainer_spells)
{
SendTrainerBuyFailed(guid, spellId, 0);
return;
}
// not found, cheat?
TrainerSpell const* trainer_spell = trainer_spells->Find(spellId);
if (!trainer_spell)
{
SendTrainerBuyFailed(guid, spellId, 0);
return;
}
// can't be learn, cheat? Or double learn with lags...
if (_player->GetTrainerSpellState(trainer_spell) != TRAINER_SPELL_GREEN)
{
SendTrainerBuyFailed(guid, spellId, 0);
return;
}
// apply reputation discount
uint32 nSpellCost = uint32(floor(trainer_spell->spellCost * _player->GetReputationPriceDiscount(unit)));
// check money requirement
if (!_player->HasEnoughMoney(uint64(nSpellCost)))
{
SendTrainerBuyFailed(guid, spellId, 1);
return;
}
_player->ModifyMoney(-int64(nSpellCost));
unit->SendPlaySpellVisualKit(179, 0); // 53 SpellCastDirected
_player->SendPlaySpellVisualKit(362, 1); // 113 EmoteSalute
// learn explicitly or cast explicitly
if (trainer_spell->IsCastable())
_player->CastSpell(_player, trainer_spell->spell, true);
else
_player->learnSpell(spellId, false);
WorldPacket data(SMSG_TRAINER_BUY_SUCCEEDED, 12);
data << uint64(guid);
data << uint32(spellId);
SendPacket(&data);
}
