void WorldSession::HandleUseItemOpcode(WorldPacket& recvPacket)
{
// TODO: add targets.read() check
Player* pUser = _player;
// ignore for remote control state
if(pUser->m_mover != pUser)
return;
uint8 bagIndex, slot;
uint8 unk_flags; // flags (if 0x02 - some additional data are received)
uint8 cast_count; // next cast if exists (single or not)
uint64 item_guid;
uint32 glyphIndex; // something to do with glyphs?
uint32 spellid; // casted spell id
recvPacket >> bagIndex >> slot >> cast_count >> spellid >> item_guid >> glyphIndex >> unk_flags;
// reject fake data
if (glyphIndex >= MAX_GLYPH_SLOT_INDEX)
{
pUser->SendEquipError(EQUIP_ERR_ITEM_NOT_FOUND, NULL, NULL );
return;
}
Item *pItem = pUser->GetItemByPos(bagIndex, slot);
if (!pItem)
{
pUser->SendEquipError(EQUIP_ERR_ITEM_NOT_FOUND, NULL, NULL );
return;
}
if (pItem->GetGUID() != item_guid)
{
pUser->SendEquipError(EQUIP_ERR_ITEM_NOT_FOUND, NULL, NULL );
return;
}
sLog.outDetail("WORLD: CMSG_USE_ITEM packet, bagIndex: %u, slot: %u, cast_count: %u, spellid: %u, Item: %u, glyphIndex: %u, unk_flags: %u, data length = %i", bagIndex, slot, cast_count, spellid, pItem->GetEntry(), glyphIndex, unk_flags, (uint32)recvPacket.size());
ItemPrototype const *proto = pItem->GetProto();
if (!proto)
{
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())
{
pUser->SendEquipError(EQUIP_ERR_ITEM_NOT_FOUND, pItem, NULL );
return;
}
uint8 msg = pUser->CanUseItem(pItem);
if (msg != EQUIP_ERR_OK)
{
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())
{
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))
{
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);
// send spell error
if (SpellEntry const* spellInfo = sSpellStore.LookupEntry(spellid))
{
// for implicit area/coord target spells
if (IsPointEffectTarget(Targets(spellInfo->EffectImplicitTargetA[EFFECT_INDEX_0])) ||
IsAreaEffectTarget(Targets(spellInfo->EffectImplicitTargetA[EFFECT_INDEX_0])))
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(!Script->ItemUse(pUser,pItem,targets))
{
// no script or script not process request by self
pUser->CastItemUseSpell(pItem,targets,cast_count,glyphIndex);
}
}
void WorldSession::HandleUseItemOpcode(WorldPacket& recvPacket)
{
uint8 bagIndex, slot;
uint8 spell_count; // number of spells at item, not used
recvPacket >> bagIndex >> slot >> spell_count;
// 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, nullptr, nullptr);
return;
}
DETAIL_LOG("WORLD: CMSG_USE_ITEM packet, bagIndex: %u, slot: %u, spell_count: %u , Item: %u, data length = %u", bagIndex, slot, spell_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, nullptr);
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, nullptr);
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, nullptr);
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, nullptr);
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, nullptr);
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, nullptr);
// 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, 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);
}
}
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);
Unit* pTarget = pUser->GetMap()->GetUnit(pUser->GetTargetGuid());
if (!pItem->IsTargetValidForItemUse(pTarget))
{
// 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::HandleUseItemOpcode(WorldPacket& recvPacket)
{
// TODO: add targets.read() check
Player* pUser = _player;
uint8 bagIndex, slot;
uint8 spell_count; // number of spells at item, not used
recvPacket >> bagIndex >> slot >> spell_count;
Item *pItem = pUser->GetItemByPos(bagIndex, slot);
if(!pItem)
{
pUser->SendEquipError(EQUIP_ERR_ITEM_NOT_FOUND, NULL, NULL );
return;
}
sLog.outDetail("WORLD: CMSG_USE_ITEM packet, bagIndex: %u, slot: %u, spell_count: %u , Item: %u, data length = %i", bagIndex, slot, spell_count, pItem->GetEntry(), (uint32)recvPacket.size());
ItemPrototype const *proto = pItem->GetProto();
if(!proto)
{
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())
{
pUser->SendEquipError(EQUIP_ERR_ITEM_NOT_FOUND, pItem, NULL );
return;
}
uint8 msg = pUser->CanUseItem(pItem);
if( msg != EQUIP_ERR_OK )
{
pUser->SendEquipError( msg, 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))
{
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,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(!Script->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) in have wrong 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_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 < MAX_ITEM_PROTO_SPELLS; ++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) in have wrong spell id %u, ignoring ",proto->ItemId, spellData.SpellId);
continue;
}
Spell *spell = new Spell(pUser, spellInfo, (count > 0));
spell->m_CastItem = pItem;
spell->prepare(&targets);
++count;
}
}
}
void WorldSession::HandlePetCastSpellOpcode(WorldPacket& recvPacket)
{
TC_LOG_DEBUG("network", "WORLD: CMSG_PET_CAST_SPELL");
ObjectGuid casterGUID;
ObjectGuid unkGUID1;
ObjectGuid transportDstGUID;
ObjectGuid transportSrcGUID;
ObjectGuid targetGUID;
ObjectGuid unkGUID2;
bool hasDestPos;
bool hasSrcPos;
bool hasSpeed;
bool hasSpell;
bool hasGlyphIndex;
bool hasTargetFlags;
bool hasElevation;
bool hasString;
bool hasCastCount;
bool hasUnk5bits;
uint32 archeologyCounter = 0;
WorldLocation dstLoc, srcLoc;
float speed = 0.0f;
float elevation = 0.0f;
uint32 targetFlags = 0;
uint32 spellID = 0;
uint32 stringLenght = 0;
uint8 castCount = 0;
recvPacket.ReadBitSeq<3, 5>(casterGUID);
hasDestPos = recvPacket.ReadBit();
recvPacket.ReadBit(); // unk bit
hasSpeed = !recvPacket.ReadBit();
hasSrcPos = recvPacket.ReadBit();
hasSpell = !recvPacket.ReadBit();
recvPacket.ReadBitSeq<0>(casterGUID);
hasGlyphIndex = !recvPacket.ReadBit();
recvPacket.ReadBitSeq<7>(casterGUID);
hasTargetFlags = !recvPacket.ReadBit();
hasElevation = !recvPacket.ReadBit();
recvPacket.ReadBit(); // has movement info
hasString = !recvPacket.ReadBit();
recvPacket.ReadBit(); // !inverse bit, unk
hasCastCount = !recvPacket.ReadBit();
recvPacket.ReadBitSeq<2, 4>(casterGUID);
archeologyCounter = recvPacket.ReadBits(2);
recvPacket.ReadBitSeq<1>(casterGUID);
hasUnk5bits = !recvPacket.ReadBit();
for (uint32 i = 0; i < archeologyCounter; i++)
recvPacket.ReadBits(2); // archeology type
recvPacket.ReadBitSeq<6>(casterGUID);
if (hasDestPos)
recvPacket.ReadBitSeq<2, 7, 4, 0, 1, 6, 5, 3>(transportDstGUID);
// movement block (disabled by patch client-side)
if (hasSrcPos)
recvPacket.ReadBitSeq<6, 2, 3, 1, 5, 4, 0, 7>(transportSrcGUID);
if (hasUnk5bits)
recvPacket.ReadBits(5); // unk 5 bits
// Target GUID
recvPacket.ReadBitSeq<3, 5, 6, 2, 4, 1, 7, 0>(targetGUID);
// unkGUID1
recvPacket.ReadBitSeq<3, 1, 5, 2, 4, 7, 0, 6>(unkGUID1);
if (hasTargetFlags)
targetFlags = recvPacket.ReadBits(20);
if (hasString)
stringLenght = recvPacket.ReadBits(7);
recvPacket.ReadByteSeq<0, 4, 5, 1, 2, 3, 7>(casterGUID);
for (uint32 i = 0; i < archeologyCounter; i++)
{
recvPacket.read_skip<uint32>(); // entry
recvPacket.read_skip<uint32>(); // counter
}
recvPacket.ReadByteSeq<6>(casterGUID);
recvPacket.ReadByteSeq<1, 5, 4, 2, 7, 3, 0>(unkGUID1);
if (hasSrcPos)
{
recvPacket.ReadByteSeq<4>(transportSrcGUID);
srcLoc.m_positionY = recvPacket.read<float>();
recvPacket.ReadByteSeq<2, 6>(transportSrcGUID);
srcLoc.m_positionZ = recvPacket.read<float>();
srcLoc.m_positionX = recvPacket.read<float>();
recvPacket.ReadByteSeq<1, 3, 5, 7, 0>(transportSrcGUID);
}
// Target GUID
recvPacket.ReadByteSeq<7, 4, 2, 6, 3, 0, 5, 1>(targetGUID);
if (hasDestPos)
{
dstLoc.m_positionX = recvPacket.read<float>();
recvPacket.ReadByteSeq<5, 7, 2, 0, 1, 3, 6>(transportDstGUID);
dstLoc.m_positionZ = recvPacket.read<float>();
dstLoc.m_positionY = recvPacket.read<float>();
recvPacket.ReadByteSeq<4>(transportDstGUID);
}
if (hasGlyphIndex)
recvPacket.read_skip<uint32>(); // glyph index
if (hasElevation)
elevation = recvPacket.read<float>();
if (hasSpell)
spellID = recvPacket.read<uint32>();
if (hasCastCount)
castCount = recvPacket.read<uint8>();
if (hasString)
recvPacket.ReadString(stringLenght);
if (hasSpeed)
speed = recvPacket.read<float>();
TC_LOG_DEBUG("network", "WORLD: CMSG_PET_CAST_SPELL, castCount: %u, spellId %u, targetFlags %u", castCount, spellID, targetFlags);
// This opcode is also sent from charmed and possessed units (players and creatures)
if (!_player->GetGuardianPet() && !_player->GetCharm())
return;
Unit* caster = ObjectAccessor::GetUnit(*_player, casterGUID);
if (!caster || (caster != _player->GetGuardianPet() && caster != _player->GetCharm()))
{
TC_LOG_ERROR("network", "HandlePetCastSpellOpcode: Pet %u isn't pet of player %s .", uint32(GUID_LOPART(casterGUID)), GetPlayer()->GetName().c_str());
return;
}
SpellInfo const* spellInfo = sSpellMgr->GetSpellInfo(spellID);
if (!spellInfo)
{
TC_LOG_ERROR("network", "WORLD: unknown PET spell id %i", spellID);
return;
}
if (spellInfo->StartRecoveryCategory > 0) // Check if spell is affected by GCD
if (caster->GetTypeId() == TYPEID_UNIT && caster->GetCharmInfo() && caster->GetCharmInfo()->GetGlobalCooldownMgr().HasGlobalCooldown(caster, spellInfo))
{
caster->SendPetCastFail(spellID, SPELL_FAILED_NOT_READY);
return;
}
// do not cast not learned spells
if (!caster->HasSpell(spellID) || spellInfo->IsPassive())
return;
SpellCastTargets targets;
targets.Initialize(targetFlags, targetGUID, unkGUID1, transportDstGUID, dstLoc, transportSrcGUID, srcLoc);
targets.SetElevation(elevation);
targets.SetSpeed(speed);
targets.Update(caster);
// Interrupt auto-cast if other spell is forced by player
if (caster->IsNonMeleeSpellCasted(false, true, true, false, true))
caster->InterruptNonMeleeSpells(false, 0, false);
caster->ClearUnitState(UNIT_STATE_FOLLOW);
Spell* spell = new Spell(caster, spellInfo, TRIGGERED_NONE, 0, false, true);
spell->m_cast_count = castCount; // probably pending spell cast
spell->m_targets = targets;
// TODO: need to check victim?
SpellCastResult result;
if (caster->m_movedPlayer)
result = spell->CheckPetCast(caster->m_movedPlayer->GetSelectedUnit());
else
result = spell->CheckPetCast(NULL);
if (result == SPELL_CAST_OK)
{
if (caster->GetTypeId() == TYPEID_UNIT)
{
Creature* pet = caster->ToCreature();
pet->AddCreatureSpellCooldown(spellID);
if (pet->isPet())
{
Pet* p = (Pet*)pet;
// 10% chance to play special pet attack talk, else growl
// actually this only seems to happen on special spells, fire shield for imp, torment for voidwalker, but it's stupid to check every spell
if (p->getPetType() == SUMMON_PET && (urand(0, 100) < 10))
pet->SendPetTalk((uint32)PET_TALK_SPECIAL_SPELL);
else
pet->SendPetAIReaction(spellID);
}
}
spell->prepare(&(spell->m_targets));
}
else
{
caster->SendPetCastFail(spellID, result);
if (caster->GetTypeId() == TYPEID_PLAYER)
{
if (!caster->ToPlayer()->HasSpellCooldown(spellID))
GetPlayer()->SendClearCooldown(spellID, caster);
}
else
{
if (!caster->ToCreature()->HasSpellCooldown(spellID))
GetPlayer()->SendClearCooldown(spellID, caster);
}
spell->finish(false);
delete spell;
}
}
