C++ SpellCastTargets类代码示例

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->m_mover;
    if(mover != _player && mover->GetTypeId()==TYPEID_PLAYER)
    {
        recvPacket.rpos(recvPacket.wpos());                 // prevent spam at ignore packet
        return;
    }

    // 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;

    sLog.outDebug("WORLD: got cast spell packet, spellId - %u, cast_count: %u, unk_flags %u, data length = %i",
        spellId, cast_count, unk_flags, (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;
    }

    //remove invisibility on casted hack
    if(spellId != 32612)
        if(mover->HasAura(32612))
            mover->RemoveAurasDueToSpell(32612);

    if(mover->GetTypeId()==TYPEID_PLAYER)
    {
        // not have spell in spellbook or spell passive and not casted by client
        if (!((Player*)mover)->HasActiveSpell (spellId) || IsPassiveSpell(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(spellId) )
        {
            //cheater? kick? ban?
            recvPacket.rpos(recvPacket.wpos());                 // prevent spam at ignore packet
            return;
        }
    }

    // client provided targets
    SpellCastTargets targets;
    if(!targets.read(&recvPacket,mover))
    {
        recvPacket.rpos(recvPacket.wpos());                 // prevent spam at ignore packet
        return;
    }

    // some spell cast packet including more data (for projectiles?)
    if (unk_flags & 0x02)
    {
        recvPacket.read_skip<float>();                      // unk1, coords?
        recvPacket.read_skip<float>();                      // unk1, coords?
        uint8 unk1;
        recvPacket >> unk1;                                 // >> 1 or 0
        if(unk1)
        {
            recvPacket.read_skip<uint32>();                 // >> MSG_MOVE_STOP
            uint64 guid;                                    // guid - unused
            if(!recvPacket.readPackGUID(guid))
                return;

            MovementInfo movementInfo;
            ReadMovementInfo(recvPacket, &movementInfo);
        }
    }

void WorldSession::HandleUseItemOpcode(WorldPacket& recvPacket)
{
    // TODO: add targets.read() check
    CHECK_PACKET_SIZE(recvPacket,1+1+1+1+8);

    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)
    {
        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, 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)
    {
        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 < 5; ++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;
    if(!targets.read(&recvPacket, pUser))
        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)
            {
//.........这里部分代码省略.........

void WorldSession::HandlePetCastSpellOpcode(WorldPacket& recvPacket)
{
    sLog->outDebug(LOG_FILTER_NETWORKIO, "WORLD: CMSG_PET_CAST_SPELL");

    uint64 guid;
    uint8  castCount;
    uint32 spellId;
    uint8  castFlags;

    recvPacket >> guid >> castCount >> spellId >> castFlags;

    sLog->outDebug(LOG_FILTER_NETWORKIO, "WORLD: CMSG_PET_CAST_SPELL, guid: " UI64FMTD ", castCount: %u, spellId %u, castFlags %u", guid, castCount, spellId, castFlags);

    // This opcode is also sent from charmed and possessed units (players and creatures)
    if (!_player->GetGuardianPet() && !_player->GetCharm())
        return;

    Unit* caster = ObjectAccessor::GetUnit(*_player, guid);

    if (!caster || (caster != _player->GetGuardianPet() && caster != _player->GetCharm()))
    {
        sLog->outError(LOG_FILTER_NETWORKIO, "HandlePetCastSpellOpcode: Pet %u isn't pet of player %s .", uint32(GUID_LOPART(guid)), GetPlayer()->GetName().c_str());
        return;
    }

    SpellInfo const* spellInfo = sSpellMgr->GetSpellInfo(spellId);
    if (!spellInfo)
    {
        sLog->outError(LOG_FILTER_NETWORKIO, "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(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.Read(recvPacket, caster);
    HandleClientCastFlags(recvPacket, castFlags, targets);

    caster->ClearUnitState(UNIT_STATE_FOLLOW);

    Spell* spell = new Spell(caster, spellInfo, TRIGGERED_NONE);
    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(guid);
            }
        }

        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;
    }
}

void WorldSession::HandlePetCastSpellOpcode(WorldPacket& recvPacket)
{
    TC_LOG_DEBUG("network", "WORLD: Received CMSG_PET_CAST_SPELL");

    ObjectGuid guid;
    uint8  castCount;
    uint32 spellId;
    uint8  castFlags;

    recvPacket >> guid >> castCount >> spellId >> castFlags;

    TC_LOG_DEBUG("network", "WORLD: CMSG_PET_CAST_SPELL, %s, castCount: %u, spellId %u, castFlags %u", guid.ToString().c_str(), castCount, spellId, castFlags);

    // This opcode is also sent from charmed and possessed units (players and creatures)
    if (!_player->GetGuardianPet() && !_player->GetCharm())
        return;

    Unit* caster = ObjectAccessor::GetUnit(*_player, guid);

    if (!caster || (caster != _player->GetGuardianPet() && caster != _player->GetCharm()))
    {
        TC_LOG_ERROR("network", "HandlePetCastSpellOpcode: %s isn't pet of player %s (%s).", guid.ToString().c_str(), GetPlayer()->GetName().c_str(), GetPlayer()->GetGUID().ToString().c_str());
        return;
    }

    SpellInfo const* spellInfo = sSpellMgr->GetSpellInfo(spellId);
    if (!spellInfo)
    {
        TC_LOG_ERROR("network", "WORLD: unknown PET spell id %i", spellId);
        return;
    }

    // do not cast not learned spells
    if (!caster->HasSpell(spellId) || spellInfo->IsPassive())
        return;

    SpellCastTargets targets;
    targets.Read(recvPacket, caster);
    HandleClientCastFlags(recvPacket, castFlags, targets);

    caster->ClearUnitState(UNIT_STATE_FOLLOW);

    Spell* spell = new Spell(caster, spellInfo, TRIGGERED_NONE);
    spell->m_cast_count = castCount;                    // probably pending spell cast
    spell->m_targets = targets;

    SpellCastResult result = spell->CheckPetCast(NULL);

    if (result == SPELL_CAST_OK)
    {
        if (Creature* creature = caster->ToCreature())
        {
            if (Pet* pet = creature->ToPet())
            {
                // 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 (pet->getPetType() == SUMMON_PET && (urand(0, 100) < 10))
                    pet->SendPetTalk(PET_TALK_SPECIAL_SPELL);
                else
                    pet->SendPetAIReaction(guid);
            }
        }

        spell->prepare(&(spell->m_targets));
    }
    else
    {
        spell->SendPetCastResult(result);

        if (!caster->GetSpellHistory()->HasCooldown(spellId))
            caster->GetSpellHistory()->ResetCooldown(spellId, true);

        spell->finish(false);
        delete spell;
    }
}

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;

    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;
    if (!targets.read(&recvPacket, pUser))
        return;

    targets.Update(pUser);

    if (!pItem->IsTargetValidForItemUse(targets.getUnitTarget()))
    {
        // free gray item after use fail
        pUser->SendEquipError(EQUIP_ERR_NONE, pItem, NULL);

        // send spell error
//.........这里部分代码省略.........

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 = " SIZEFMTD,
              spellId, cast_count, unk_flags, recvPacket.size());

    SpellEntry const* spellInfo = sSpellTemplate.LookupEntry<SpellEntry>(spellId);
    if (!spellInfo)
    {
        sLog.outError("WORLD: unknown spell id %u", spellId);
        recvPacket.rpos(recvPacket.wpos());                 // prevent spam at ignore packet
        return;
    }

    Aura* triggeredByAura = mover->GetTriggeredByClientAura(spellId);

    if (mover->GetTypeId() == TYPEID_PLAYER)
    {
        // not have spell in spellbook or spell passive and not casted by client

        if ((!((Player*)mover)->HasActiveSpell(spellId) && !triggeredByAura) || IsPassiveSpell(spellInfo))
        {
            sLog.outError("World: %s casts spell %u which he shouldn't have", mover->GetGuidStr().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) || 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;
        }
    }

//.........这里部分代码省略.........
        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 (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);

    targets.Update(pUser);

    targets.ReadAdditionalData(recvPacket, cast_flags);

    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)
{
    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->m_mover;
    if(mover != _player && mover->GetTypeId()==TYPEID_PLAYER)
    {
        recvPacket.rpos(recvPacket.wpos());                 // prevent spam at ignore packet
        return;
    }

    sLog.outDebug("WORLD: got cast spell packet, spellId - %u, cast_count: %u, unk_flags %u, data length = %i",
        spellId, cast_count, unk_flags, (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(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(spellId) )
        {
            //cheater? kick? ban?
            recvPacket.rpos(recvPacket.wpos());                 // prevent spam at ignore packet
            return;
        }
    }

    // Client is resending autoshot cast opcode when other spell is casted during shoot rotation
    // Skip it to prevent "interrupt" message
    if (IsAutoRepeatRangedSpell(spellInfo) && _player->GetCurrentSpell(CURRENT_AUTOREPEAT_SPELL)
        && _player->GetCurrentSpell(CURRENT_AUTOREPEAT_SPELL)->m_spellInfo == spellInfo)
        return;

    // can't use our own spells when we're in possession of another unit,
    if(_player->isPossessing())
        return;

    // client provided targets
    SpellCastTargets targets;
    if(!targets.read(&recvPacket,mover))
    {
        recvPacket.rpos(recvPacket.wpos());                 // prevent spam at ignore packet
        return;
    }

    // some spell cast packet including more data (for projectiles?)
    if (unk_flags & 0x02)
    {
        //recvPacket.read_skip<float>();                      // unk1, coords?
        //recvPacket.read_skip<float>();                      // unk1, coords?
        recvPacket.read_skip<uint8>();                      // >> 1
        recvPacket.read_skip<uint32>();                     // >> MSG_MOVE_STOP
        MovementInfo movementInfo;
        ReadMovementInfo(recvPacket, &movementInfo);
    }

    // auto-selection buff level base at target level (in spellInfo)
    if(targets.getUnitTarget())
    {
        SpellEntry const *actualSpellInfo = spellmgr.SelectAuraRankForPlayerLevel(spellInfo,targets.getUnitTarget()->getLevel());

        // 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(actualSpellInfo)
            spellInfo = actualSpellInfo;
    }

    Spell *spell = new Spell(mover, spellInfo, false);
    spell->m_cast_count = cast_count;                       // set count of casts
    spell->prepare(&targets);
}

void WorldSession::HandleCastSpellOpcode(WorldPacket& recvPacket)
{
    uint32 spellId;
    uint8  cast_count, cast_flags;
    recvPacket >> cast_count;
    recvPacket >> spellId;
    recvPacket >> cast_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: CMSG_CAST_SPELL, spellId - %u, cast_count: %u, unk_flags %u, data length = " SIZEFMTD,
              spellId, cast_count, cast_flags, recvPacket.size());

    SpellEntry const* spellInfo = sSpellTemplate.LookupEntry<SpellEntry>(spellId);
    if (!spellInfo)
    {
        sLog.outError("WORLD: unknown spell id %u", spellId);
        recvPacket.rpos(recvPacket.wpos());                 // prevent spam at ignore packet
        return;
    }

    Aura* triggeredByAura = mover->GetTriggeredByClientAura(spellId);

    if (mover->GetTypeId() == TYPEID_PLAYER)
    {
        // not have spell in spellbook or spell passive and not casted by client

        if ((!((Player*)mover)->HasActiveSpell(spellId) && !triggeredByAura) || IsPassiveSpell(spellInfo))
        {
            sLog.outError("World: %s casts spell %u which he shouldn't have", mover->GetGuidStr().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) || IsPassiveSpell(spellInfo))
        {
            // cheater? kick? ban?
            recvPacket.rpos(recvPacket.wpos());             // prevent spam at ignore packet
            return;
        }
    }

    // client provided targets
    SpellCastTargets targets;

#ifdef BUILD_PLAYERBOT
    recvPacket >> targets.ReadForCaster(mover);
#else
    recvPacket >> targets.ReadForCaster(_player);
#endif

    // some spell cast packet including more data (for projectiles)
    targets.ReadAdditionalSpellData(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 nullptr 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, triggeredByAura ? TRIGGERED_OLD_TRIGGERED : TRIGGERED_NONE, mover->GetObjectGuid(), triggeredByAura ? triggeredByAura->GetSpellProto() : nullptr);
    spell->m_cast_count = cast_count;                       // set count of casts
    spell->SpellStart(&targets, triggeredByAura);
}

void WorldSession::HandlePetCastSpellOpcode( WorldPacket& recvPacket )
{
    DETAIL_LOG("WORLD: CMSG_PET_CAST_SPELL");
    recvPacket.hexlike();
    recvPacket.print_storage();

    //2 - 0 - 0 - 43 - 129 - 0 - 80 - 241 | - 42 - 211 - 253 - 0 | - 0 | - 2 |- 96 - 0 - 0 - 0 | - 0 - 26
    //- 164 - 59 - 196 - 174 - 98 - 131 | - 194 - 182 - 171 - 218| - 67 - 0 - 48 - 93| - 0 - 196 - 32
    //- 177| - 242 - 193 - 22 - 110 - 224 - 67 - 203 - 166 | - 68 - 61 - 133 - 1| - 240 - 66 - 1 - 183 |
    //- 0 - 0 - 0 - 217| - 2 - 43 - 129 - 80 - 241 - 0 - 10 - 0 - 0 - 0 - 0 - 76 - 109 - 175 - 0
    //- 238 - 115 - 58 - 196 - 20 - 110 - 121 - 194 - 187 - 107 - 217 - 67 - 32 - 44 - 27 - 62 - 217
    //- 1 - 36 - 129 - 80 - 241 - 0 - 0 - 160 - 64 - 0 - 0 - 160 - 64 - 0 - 0 - 160 - 64 - 192 - 233
    //- 172 - 62 - 4 - 0 - 0 - 0 - 7 - 230 - 0 - 0 - 0 -

    //5 - 0 - 0 - 43 - 129 - 0 - 80 - 241 | - 85 - 211 - 253 - 0 | - 0 | - 2 | - 96 - 0 - 0 - 0 | - 0 - 69 - 60 - 61
    //- 196 - 171 - 248 - 107| - 194 - 8 - 236 - 218 | - 67 - 0 - 177 - 11 | - 46 - 196 - 89 - 16 | - 14 - 195
    //- 5 - 38 - 231 - 67 - 23 - 221 | - 110 - 62 - 15 - 3 | - 240 - 66 -| 1 - 183 | - 0 - 0 - 0 - 217 | - 5 - 43
    //- 129 - 80 - 241 - 0 - 10 - 0 - 0 - 0 - 0 - 233 - 41 - 203 - 0 - 106 - 207 - 59 - 196 - 179 - 173 - 83
    //- 194 - 8 - 108 - 217 - 67 - 127 - 153 - 170 - 64 - 217 - 4 - 36 - 129 - 80 - 241 - 0 - 0 - 160 - 64
    //- 0 - 0 - 160 - 64 - 0 - 0 - 160 - 64 - 7 - 77 - 175 - 64 - 4 - 0 - 0 - 0 - 7 - 195 - 0 - 0 - 0 -

    uint64 guid;
    uint32 spellid;
    uint8  cast_count;
    uint8  unk_flags;                                       // flags (if 0x02 - some additional data are received)

    recvPacket >> guid >> cast_count >> spellid >> unk_flags;

    DEBUG_LOG("WORLD: CMSG_PET_CAST_SPELL, cast_count: %u, spellid %u, unk_flags %u", cast_count, spellid, unk_flags);

    if (!_player->GetPet() && !_player->GetCharm())
        return;

    if (GUID_HIPART(guid) == HIGHGUID_PLAYER)
        return;

    Creature* pet = ObjectAccessor::GetAnyTypeCreature(*_player,guid);

    if (!pet || (pet != _player->GetPet() && pet!= _player->GetCharm()))
    {
        sLog.outError( "HandlePetCastSpellOpcode: Pet %u isn't pet of player %s .", uint32(GUID_LOPART(guid)),GetPlayer()->GetName() );
        return;
    }

    if (pet->GetGlobalCooldown() > 0)
        return;

    SpellEntry const *spellInfo = sSpellStore.LookupEntry(spellid);
    if (!spellInfo)
    {
        sLog.outError("WORLD: unknown PET spell id %i", spellid);
        return;
    }

    // do not cast not learned spells
    if (!pet->HasSpell(spellid) || IsPassiveSpell(spellInfo))
        return;

    SpellCastTargets targets;

    recvPacket >> targets.ReadForCaster(pet);

    pet->clearUnitState(UNIT_STAT_MOVING);

    Spell *spell = new Spell(pet, spellInfo, false);
    spell->m_cast_count = cast_count;                       // probably pending spell cast
    spell->m_targets = targets;

    SpellCastResult result = spell->CheckPetCast(NULL);
    if (result == SPELL_CAST_OK)
    {
        pet->AddCreatureSpellCooldown(spellid);
        if (pet->isPet())
        {
            //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(((Pet*)pet)->getPetType() == SUMMON_PET && (urand(0, 100) < 10))
                pet->SendPetTalk((uint32)PET_TALK_SPECIAL_SPELL);
            else
                pet->SendPetAIReaction(guid);
        }

        spell->prepare(&(spell->m_targets));
    }
    else
    {
        pet->SendPetCastFail(spellid, result);
        if (!pet->HasSpellCooldown(spellid))
            GetPlayer()->SendClearCooldown(spellid, pet);

        spell->finish(false);
        delete spell;
    }
}

//.........这里部分代码省略.........
            else
            {
                bool spellUsed = false;
                for (GuidSet::const_iterator tar = m_AllySet.begin(); tar != m_AllySet.end(); ++tar)
                {
                    Unit* Target = m_creature->GetMap()->GetUnit(*tar);

                    // only buff targets that are in combat, unless the spell can only be cast while out of combat
                    if (!Target)
                        continue;

                    if (spell->CanAutoCast(Target))
                    {
                        targetSpellStore.push_back(TargetSpellList::value_type(Target, spell));
                        spellUsed = true;
                        break;
                    }
                }
                if (!spellUsed)
                    delete spell;
            }
        }

        // found units to cast on to
        if (!targetSpellStore.empty())
        {
            uint32 index = urand(0, targetSpellStore.size() - 1);

            Spell* spell  = targetSpellStore[index].second;
            Unit*  target = targetSpellStore[index].first;

            targetSpellStore.erase(targetSpellStore.begin() + index);

            SpellCastTargets targets;
            targets.setUnitTarget(target);

            if (!m_creature->HasInArc(M_PI_F, target))
            {
                m_creature->SetInFront(target);
                if (target->GetTypeId() == TYPEID_PLAYER)
                    m_creature->SendCreateUpdateToPlayer((Player*)target);

                if (owner && owner->GetTypeId() == TYPEID_PLAYER)
                    m_creature->SendCreateUpdateToPlayer((Player*)owner);
            }

            m_creature->AddCreatureSpellCooldown(spell->m_spellInfo->Id);
            if (m_creature->IsPet())
                ((Pet*)m_creature)->CheckLearning(spell->m_spellInfo->Id);

            spell->SpellStart(&targets);
        }

        // deleted cached Spell objects
        for (TargetSpellList::const_iterator itr = targetSpellStore.begin(); itr != targetSpellStore.end(); ++itr)
            delete itr->second;
    }
    else if (m_creature->hasUnitState(UNIT_STAT_FOLLOW_MOVE))
        m_creature->InterruptNonMeleeSpells(false);

    if (victim = m_creature->getVictim())
    {
        // i_pet.getVictim() can't be used for check in case stop fighting, i_pet.getVictim() clear at Unit death etc.
        if (_needToStop())
        {
            DEBUG_FILTER_LOG(LOG_FILTER_AI_AND_MOVEGENSS, "PetAI (guid = %u) is stopping attack.", m_creature->GetGUIDLow());

//.........这里部分代码省略.........
            if (!spellInfo)
                continue;

            if (m_creature->GetCharmInfo() && m_creature->GetCharmInfo()->GetGlobalCooldownMgr().HasGlobalCooldown(spellInfo))
                continue;

            // ignore some combinations of combat state and combat/noncombat spells
            if (!inCombat)
            {
                // ignore attacking spells, and allow only self/around spells
                if (!IsPositiveSpell(spellInfo->Id))
                    continue;

                // non combat spells allowed
                // only pet spells have IsNonCombatSpell and not fit this reqs:
                // Consume Shadows, Lesser Invisibility, so ignore checks for its
                if (!IsNonCombatSpell(spellInfo))
                {
                    // allow only spell without spell cost or with spell cost but not duration limit
                    int32 duration = GetSpellDuration(spellInfo);
                    SpellPowerEntry const* spellPower = spellInfo->GetSpellPower();
                    if (spellPower && (spellPower->manaCost || spellPower->ManaCostPercentage || spellPower->manaPerSecond) && duration > 0)
                        continue;

                    // allow only spell without cooldown > duration
                    int32 cooldown = GetSpellRecoveryTime(spellInfo);
                    if (cooldown >= 0 && duration >= 0 && cooldown > duration)
                        continue;
                }
            }
            else
            {
                // just ignore non-combat spells
                if (IsNonCombatSpell(spellInfo))
                    continue;
            }

            Spell* spell = new Spell(m_creature, spellInfo, false);

            if (inCombat && !m_creature->hasUnitState(UNIT_STAT_FOLLOW) && spell->CanAutoCast(m_creature->getVictim()))
            {
                targetSpellStore.push_back(TargetSpellList::value_type(m_creature->getVictim(), spell));
                continue;
            }
            else
            {
                bool spellUsed = false;
                for (GuidSet::const_iterator tar = m_AllySet.begin(); tar != m_AllySet.end(); ++tar)
                {
                    Unit* Target = m_creature->GetMap()->GetUnit(*tar);

                    // only buff targets that are in combat, unless the spell can only be cast while out of combat
                    if (!Target)
                        continue;

                    if (spell->CanAutoCast(Target))
                    {
                        targetSpellStore.push_back(TargetSpellList::value_type(Target, spell));
                        spellUsed = true;
                        break;
                    }
                }
                if (!spellUsed)
                    delete spell;
            }
        }

        // found units to cast on to
        if (!targetSpellStore.empty())
        {
            uint32 index = urand(0, targetSpellStore.size() - 1);

            Spell* spell  = targetSpellStore[index].second;
            Unit*  target = targetSpellStore[index].first;

            targetSpellStore.erase(targetSpellStore.begin() + index);

            SpellCastTargets targets;
            targets.setUnitTarget(target);

            if (!m_creature->HasInArc(M_PI_F, target))
            {
                m_creature->SetInFront(target);
                if (target->GetTypeId() == TYPEID_PLAYER)
                    m_creature->SendCreateUpdateToPlayer((Player*)target);

                if (owner && owner->GetTypeId() == TYPEID_PLAYER)
                    m_creature->SendCreateUpdateToPlayer((Player*)owner);
            }

            m_creature->AddCreatureSpellCooldown(spell->m_spellInfo->Id);

            spell->prepare(&targets);
        }

        // deleted cached Spell objects
        for (TargetSpellList::const_iterator itr = targetSpellStore.begin(); itr != targetSpellStore.end(); ++itr)
            delete itr->second;
    }
}

//.........这里部分代码省略.........
    }

    Unit::AuraList const& m363auras = mover->GetAurasByType(SPELL_AURA_363);
    for (Unit::AuraList::const_iterator itr = m363auras.begin(); itr != m363auras.end(); ++itr)
    {
        if ((*itr)->GetSpellEffect()->EffectTriggerSpell == spellId)
        {
            triggered = true;
            mover->RemoveSpellAuraHolder((*itr)->GetHolder());
            break;
        }
    }

    if (!spellInfo->HasAttribute(SPELL_ATTR_EX8_RAID_MARKER))
    {
        if (mover->GetTypeId()==TYPEID_PLAYER)
        {
            // not have spell in spellbook or spell passive and not casted by client
            if ((!((Player*)mover)->HasActiveSpell(spellId) && !triggered || IsPassiveSpell(spellInfo)) && !sSpellMgr.IsAbilityOfSkillType(spellInfo, SKILL_ARCHAEOLOGY))
            {
                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("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;
            }
        }
    }

    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;
                // Force triggered to spells mirrored by Dark Simulacrum
                if ((*itr)->GetId() == 77616)
                    triggered = true;
            }
            break;
        }
    }

    // Lifebloom
    if (spellId == 33763)
    {
        // search Tree of Life (Passive)
        if (Aura* aura = _mover->GetAura(81098, EFFECT_INDEX_1))
        {
            if (SpellEntry const* newInfo = sSpellStore.LookupEntry(aura->GetModifier()->m_amount))
            {
                spellInfo = newInfo;
                spellId = newInfo->Id;
            }
        }
    }
    // client provided targets
    SpellCastTargets targets;

    recvPacket >> targets.ReadForCaster(mover);

    targets.ReadAdditionalData(recvPacket, cast_flags);

    // Multi-Shot hack
    if (!targets.getUnitTarget() && spellId == 2643)
    {
        if (Unit* target = _player->GetMap()->GetUnit(_player->GetSelectionGuid()))
            targets.setUnitTarget(target);
    }

    // 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);
}

bool Player::SolveResearchProject(uint32 spellId, SpellCastTargets& targets)
{
    uint16 skill_now = GetSkillValue(SKILL_ARCHAEOLOGY);
    if (!skill_now)
        return false;

    ResearchProjectEntry const* entry = NULL;
    for (std::set<ResearchProjectEntry const*>::const_iterator itr = sResearchProjectSet.begin(); itr != sResearchProjectSet.end(); ++itr)
    {
        if ((*itr)->spellId != spellId)
            continue;

        entry = (*itr);
        break;
    }

    if (!entry || !HasResearchProject(entry->ID))
        return false;

    ResearchBranchEntry const* branch = NULL;
    for (uint32 i = 0; i < sResearchBranchStore.GetNumRows(); ++i)
    {
        ResearchBranchEntry const* _branch = sResearchBranchStore.LookupEntry(i);
        if (!_branch)
            continue;

        if (_branch->ID != entry->branchId)
            continue;

        branch = _branch;
        break;
    }

    if (!branch)
        return false;

    uint32 currencyId = branch->currency;
    int32 currencyAmt = int32(entry->req_currency_amt);

    ArchaeologyWeights weights = targets.GetWeights();
    for (ArchaeologyWeights::iterator itr = weights.begin(); itr != weights.end(); ++itr)
    {
        ArchaeologyWeight& w = *itr;
        if (w.type == WEIGHT_KEYSTONE)
        {
            ItemPrototype const* proto = sObjectMgr.GetItemPrototype(w.keystone.itemId);
            if (!proto)
                return false;

            if (proto->GetCurrencySubstitutionId() != currencyId)
                return false;

            if (w.keystone.itemCount > entry->Complexity)
                return false;

            if (!HasItemCount(w.keystone.itemId, w.keystone.itemCount))
                return false;

            currencyAmt -= int32(proto->CurrencySubstitutionCount * w.keystone.itemCount);
        }
    }

    if (currencyAmt > 0 && !HasCurrencyCount(currencyId, currencyAmt))
        return false;

    ModifyCurrencyCount(currencyId, -currencyAmt);

    for (ArchaeologyWeights::iterator itr = weights.begin(); itr != weights.end(); ++itr)
    {
        ArchaeologyWeight& w = *itr;
        if (w.type == WEIGHT_KEYSTONE)
            DestroyItemCount(w.keystone.itemId, w.keystone.itemCount, true);
    }

    UpdateAchievementCriteria(ACHIEVEMENT_CRITERIA_TYPE_COMPLETE_ARCHAEOLOGY_PROJECTS, entry->ID, 1);

    AddCompletedProject(entry);

    ResearchProjectSet tempProjects;
    ResearchProjectSet tempRareProjects;
    float rare_chance = GetRareArtifactChance(skill_now);

    for (std::set<ResearchProjectEntry const*>::const_iterator itr = sResearchProjectSet.begin(); itr != sResearchProjectSet.end(); ++itr)
    {
        ResearchProjectEntry const* project = *itr;
        if (project->branchId != entry->branchId)
            continue;

        if (project->rare)
        {
            if (IsCompletedProject(project->ID, true))
                continue;

            tempRareProjects.insert(project->ID);
        }
        else
            tempProjects.insert(project->ID);
    }

    ResearchProjectSet::const_iterator itr;
//.........这里部分代码省略.........

//.........这里部分代码省略.........
                continue;

            if (spellInfo->IsPositive())
            {
                if (spellInfo->CanBeUsedInCombat())
                {
                    // check spell cooldown
                    if (me->HasSpellCooldown(spellInfo->Id))
                        continue;

                    // Check if we're in combat or commanded to attack
                    if (!me->isInCombat() && !me->GetCharmInfo()->IsCommandAttack())
                        continue;
                }

                Spell* spell = new Spell(me, spellInfo, TRIGGERED_NONE, 0);
                bool spellUsed = false;

                // Some spells can target enemy or friendly (DK Ghoul's Leap)
                // Check for enemy first (pet then owner)
                Unit* target = me->getAttackerForHelper();
                if (!target && owner)
                    target = owner->getAttackerForHelper();

                if (target)
                {
                    if (CanAttack(target) && spell->CanAutoCast(target))
                    {
                        targetSpellStore.push_back(std::make_pair(target, spell));
                        spellUsed = true;
                    }
                }

                // No enemy, check friendly
                if (!spellUsed)
                {
                    for (std::set<uint64>::const_iterator tar = m_AllySet.begin(); tar != m_AllySet.end(); ++tar)
                    {
                        Unit* ally = ObjectAccessor::GetUnit(*me, *tar);

                        //only buff targets that are in combat, unless the spell can only be cast while out of combat
                        if (!ally)
                            continue;

                        if (spell->CanAutoCast(ally))
                        {
                            targetSpellStore.push_back(std::make_pair(ally, spell));
                            spellUsed = true;
                            break;
                        }
                    }
                }

                // No valid targets at all
                if (!spellUsed)
                    delete spell;
            }
            else if (me->getVictim() && CanAttack(me->getVictim()) && spellInfo->CanBeUsedInCombat())
            {
                Spell* spell = new Spell(me, spellInfo, TRIGGERED_NONE, 0);
                if (spell->CanAutoCast(me->getVictim()))
                    targetSpellStore.push_back(std::make_pair(me->getVictim(), spell));
                else
                    delete spell;
            }
        }

        //found units to cast on to
        if (!targetSpellStore.empty())
        {
            uint32 index = urand(0, targetSpellStore.size() - 1);

            Spell* spell  = targetSpellStore[index].second;
            Unit*  target = targetSpellStore[index].first;

            targetSpellStore.erase(targetSpellStore.begin() + index);

            SpellCastTargets targets;
            targets.SetUnitTarget(target);

            if (!me->HasInArc(M_PI, target))
            {
                me->SetInFront(target);
                if (target && target->GetTypeId() == TYPEID_PLAYER)
                    me->SendUpdateToPlayer(target->ToPlayer());

                if (owner && owner->GetTypeId() == TYPEID_PLAYER)
                    me->SendUpdateToPlayer(owner->ToPlayer());
            }

            me->AddCreatureSpellCooldown(spell->m_spellInfo->Id);

            spell->prepare(&targets);
        }

        // deleted cached Spell objects
        for (TargetSpellList::const_iterator itr = targetSpellStore.begin(); itr != targetSpellStore.end(); ++itr)
            delete itr->second;
    }
}