自学教程：C++ uint8函数代码示例

void WorldSession::HandleCharCreateOpcode( WorldPacket & recv_data ){    std::string name;    uint8 race_, class_;    recv_data >> name;    recv_data >> race_;    recv_data >> class_;    WorldPacket data(SMSG_CHAR_CREATE, 1);                  // returned with diff.values in all cases    if(GetSecurity() == SEC_PLAYER)    {        if(uint32 mask = sWorld.getConfig(CONFIG_UINT32_CHARACTERS_CREATING_DISABLED))        {            bool disabled = false;            uint32 team = Player::TeamForRace(race_);            switch(team)            {                case ALLIANCE: disabled = mask & (1 << 0); break;                case HORDE:    disabled = mask & (1 << 1); break;            }            if(disabled)            {                data << (uint8)CHAR_CREATE_DISABLED;                SendPacket( &data );                return;            }        }    }    ChrClassesEntry const* classEntry = sChrClassesStore.LookupEntry(class_);    ChrRacesEntry const* raceEntry = sChrRacesStore.LookupEntry(race_);    if( !classEntry || !raceEntry )    {        data << (uint8)CHAR_CREATE_FAILED;        SendPacket( &data );        sLog.outError("Class: %u or Race %u not found in DBC (Wrong DBC files?) or Cheater?", class_, race_);        return;    }    // prevent character creating Expansion race without Expansion account    if (raceEntry->expansion > Expansion())    {        data << (uint8)CHAR_CREATE_EXPANSION;        sLog.outError("Expansion %u account:[%d] tried to Create character with expansion %u race (%u)", Expansion(), GetAccountId(), raceEntry->expansion, race_);        SendPacket( &data );        return;    }    // prevent character creating Expansion class without Expansion account    if (classEntry->expansion > Expansion())    {        data << (uint8)CHAR_CREATE_EXPANSION_CLASS;        sLog.outError("Expansion %u account:[%d] tried to Create character with expansion %u class (%u)", Expansion(), GetAccountId(), classEntry->expansion, class_);        SendPacket( &data );        return;    }    // prevent character creating with invalid name    if (!normalizePlayerName(name))    {        data << (uint8)CHAR_NAME_NO_NAME;        SendPacket( &data );        sLog.outError("Account:[%d] but tried to Create character with empty [name]", GetAccountId());        return;    }    // check name limitations    uint8 res = ObjectMgr::CheckPlayerName(name, true);    if (res != CHAR_NAME_SUCCESS)    {        data << uint8(res);        SendPacket( &data );        return;    }    if (GetSecurity() == SEC_PLAYER && sObjectMgr.IsReservedName(name))    {        data << (uint8)CHAR_NAME_RESERVED;        SendPacket( &data );        return;    }    if (sObjectMgr.GetPlayerGUIDByName(name))    {        data << (uint8)CHAR_CREATE_NAME_IN_USE;        SendPacket( &data );        return;    }    QueryResult *resultacct = LoginDatabase.PQuery("SELECT SUM(numchars) FROM realmcharacters WHERE acctid = '%d'", GetAccountId());    if (resultacct)    {        Field *fields=resultacct->Fetch();        uint32 acctcharcount = fields[0].GetUInt32();//.........这里部分代码省略.........

void WorldSession::HandlePetActionHelper(Unit* pet, uint64 guid1, uint16 spellid, uint16 flag, uint64 guid2){    CharmInfo* charmInfo = pet->GetCharmInfo();    if (!charmInfo)    {        sLog->outError("WorldSession::HandlePetAction(petGuid: " UI64FMTD ", tagGuid: " UI64FMTD ", spellId: %u, flag: %u): object (entry: %u TypeId: %u) is considered pet-like but doesn't have a charminfo!",            guid1, guid2, spellid, flag, pet->GetGUIDLow(), pet->GetTypeId());        return;    }    switch (flag)    {        case ACT_COMMAND:                                   //0x07            switch (spellid)            {                case COMMAND_STAY:                          //flat=1792  //STAY				{					bool controlledMotion = pet->GetMotionMaster()->GetMotionSlotType(MOTION_SLOT_CONTROLLED) != NULL_MOTION_TYPE;					if (!controlledMotion)					{						pet->StopMovingOnCurrentPos();						pet->GetMotionMaster()->Clear(false);						pet->GetMotionMaster()->MoveIdle();					}                    charmInfo->SetCommandState(COMMAND_STAY);                    charmInfo->SetIsCommandAttack(false);                    charmInfo->SetIsCommandFollow(false);                    charmInfo->SetIsFollowing(false);                    charmInfo->SetIsReturning(false);					charmInfo->SetIsAtStay(!controlledMotion);                    charmInfo->SaveStayPosition(controlledMotion);					charmInfo->SetForcedSpell(0);					charmInfo->SetForcedTargetGUID(0);                    break;				}                case COMMAND_FOLLOW:                        //spellid=1792  //FOLLOW				{                    pet->AttackStop();                    pet->InterruptNonMeleeSpells(false);					pet->ClearInPetCombat();                    pet->GetMotionMaster()->MoveFollow(_player, PET_FOLLOW_DIST, pet->GetFollowAngle());                    charmInfo->SetCommandState(COMMAND_FOLLOW);                    charmInfo->SetIsCommandAttack(false);                    charmInfo->SetIsAtStay(false);                    charmInfo->SetIsReturning(true);                    charmInfo->SetIsCommandFollow(true);                    charmInfo->SetIsFollowing(false);					charmInfo->SetForcedSpell(0);					charmInfo->SetForcedTargetGUID(0);                    break;				}                case COMMAND_ATTACK:                        //spellid=1792  //ATTACK                {                    // Can't attack if owner is pacified                    if (_player->HasAuraType(SPELL_AURA_MOD_PACIFY))                    {                        //pet->SendPetCastFail(spellid, SPELL_FAILED_PACIFIED);                        //TODO: Send proper error message to client                        return;                    }                    // only place where pet can be player                    Unit* TargetUnit = ObjectAccessor::GetUnit(*_player, guid2);                    if (!TargetUnit)                        return;                    if (Unit* owner = pet->GetOwner())                        if (!owner->IsValidAttackTarget(TargetUnit))                            return;					// pussywizard:					if (Creature* creaturePet = pet->ToCreature())						if (!creaturePet->_CanDetectFeignDeathOf(TargetUnit) || !creaturePet->CanCreatureAttack(TargetUnit) || creaturePet->isTargetNotAcceptableByMMaps(TargetUnit->GetGUID(), sWorld->GetGameTime(), TargetUnit))							return;                    // Not let attack through obstructions                    bool checkLos = !MMAP::MMapFactory::IsPathfindingEnabled(pet->GetMap()) || 									(TargetUnit->GetTypeId() == TYPEID_UNIT && (TargetUnit->ToCreature()->isWorldBoss() || TargetUnit->ToCreature()->IsDungeonBoss()));					if (checkLos && !pet->IsWithinLOSInMap(TargetUnit))					{						WorldPacket data(SMSG_CAST_FAILED, 1+4+1);						data << uint8(0);						data << uint32(7389);						data << uint8(SPELL_FAILED_LINE_OF_SIGHT);						SendPacket(&data);						return;                    }                    pet->ClearUnitState(UNIT_STATE_FOLLOW);                    // This is true if pet has no target or has target but targets differs.                    if (pet->GetVictim() != TargetUnit || (pet->GetVictim() == TargetUnit && !pet->GetCharmInfo()->IsCommandAttack()))                    {                        pet->AttackStop();                        if (pet->GetTypeId() != TYPEID_PLAYER && pet->ToCreature()->IsAIEnabled)//.........这里部分代码省略.........

void Weather::SendWeatherUpdateToPlayer(Player* player){    WorldPacket data(SMSG_WEATHER, (4+4+4));    data << uint32(GetWeatherState()) << (float)m_grade << uint8(0);    player->GetSession()->SendPacket(&data);}

// Read AMS or AMS2 (newVersion = true) pattern. At least this part of the format is more or less identical between the two trackers...static void ReadAMSPattern(CPattern &pattern, bool newVersion, FileReader &patternChunk, CSoundFile &sndFile)//-----------------------------------------------------------------------------------------------------------{	enum	{		emptyRow		= 0xFF,	// No commands on row		endOfRowMask	= 0x80,	// If set, no more commands on this row		noteMask		= 0x40,	// If set, no note+instr in this command		channelMask		= 0x1F,	// Mask for extracting channel		// Note flags		readNextCmd		= 0x80,	// One more command follows		noteDataMask	= 0x7F,	// Extract note		// Command flags		volCommand		= 0x40,	// Effect is compressed volume command		commandMask		= 0x3F,	// Command or volume mask	};	// Effect translation table for extended (non-Protracker) effects	static const ModCommand::COMMAND effTrans[] =	{		CMD_S3MCMDEX,		// Forward / Backward		CMD_PORTAMENTOUP,	// Extra fine slide up		CMD_PORTAMENTODOWN,	// Extra fine slide up		CMD_RETRIG,			// Retrigger		CMD_NONE,		CMD_TONEPORTAVOL,	// Toneporta with fine volume slide		CMD_VIBRATOVOL,		// Vibrato with fine volume slide		CMD_NONE,		CMD_PANNINGSLIDE,		CMD_NONE,		CMD_VOLUMESLIDE,	// Two times finder volume slide than Axx		CMD_NONE,		CMD_CHANNELVOLUME,	// Channel volume (0...127)		CMD_PATTERNBREAK,	// Long pattern break (in hex)		CMD_S3MCMDEX,		// Fine slide commands		CMD_NONE,			// Fractional BPM		CMD_KEYOFF,			// Key off at tick xx		CMD_PORTAMENTOUP,	// Porta up, but uses all octaves (?)		CMD_PORTAMENTODOWN,	// Porta down, but uses all octaves (?)		CMD_NONE,		CMD_NONE,		CMD_NONE,		CMD_NONE,		CMD_NONE,		CMD_NONE,		CMD_NONE,		CMD_GLOBALVOLSLIDE,	// Global volume slide		CMD_NONE,		CMD_GLOBALVOLUME,	// Global volume (0... 127)	};	ModCommand dummy;	for(ROWINDEX row = 0; row < pattern.GetNumRows(); row++)	{		PatternRow baseRow = pattern.GetRow(row);		while(patternChunk.AreBytesLeft())		{			const uint8 flags = patternChunk.ReadUint8();			if(flags == emptyRow)			{				break;			}			const CHANNELINDEX chn = (flags & channelMask);			ModCommand &m = chn < pattern.GetNumChannels() ? baseRow[chn] : dummy;			bool moreCommands = true;			if(!(flags & noteMask))			{				// Read note + instr				uint8 note = patternChunk.ReadUint8();				moreCommands = (note & readNextCmd) != 0;				note &= noteDataMask;				if(note == 1)				{					m.note = NOTE_KEYOFF;				} else if(note >= 2 && note <= 121 && newVersion)				{					m.note = note - 2 + NOTE_MIN;				} else if(note >= 12 && note <= 108 && !newVersion)				{					m.note = note + 12 + NOTE_MIN;				}				m.instr = patternChunk.ReadUint8();			}			while(moreCommands)			{				// Read one more effect command				ModCommand origCmd = m;				const uint8 command = patternChunk.ReadUint8(), effect = (command & commandMask);				moreCommands = (command & readNextCmd) != 0;				if(command & volCommand)				{					m.volcmd = VOLCMD_VOLUME;//.........这里部分代码省略.........

void CUser::MerchantItemBuy(Packet & pkt){	uint32 itemid, req_gold;	uint16 item_count, leftover_count;	uint8 item_slot, dest_slot;	CUser *pMerchant = g_pMain->GetUserPtr(m_sMerchantsSocketID);	if (pMerchant == NULL)		return;	pkt >> itemid >> item_count >> item_slot >> dest_slot;	// Make sure the slots are correct and that we're actually buying at least 1 item.	if (item_slot >= MAX_MERCH_ITEMS		|| dest_slot >= HAVE_MAX		|| item_count == 0)		return;	// Grab pointers to the items.	_MERCH_DATA *pMerch = &pMerchant->m_arMerchantItems[item_slot];	_ITEM_DATA *pItem = GetItem(SLOT_MAX + dest_slot);	// Make sure the merchant actually has that item in that slot	// and that they have enough	if (pMerch->nNum != itemid		|| pMerch->sCount < item_count)		return;	// If it's not stackable, and we're specifying something other than 1	// we really don't care to handle this request...	_ITEM_TABLE *proto = g_pMain->GetItemPtr(itemid);	if (proto == NULL		|| !proto->m_bCountable && item_count != 1)		return;	// Do we have enough coins?	req_gold = pMerch->nPrice * item_count;	if (m_iGold < req_gold)		return;	// If the slot's not empty	if (pItem->nNum != 0 		// and we already have an item that isn't the same item		// or it's the same item but the item's not stackable...		&& (pItem->nNum != itemid || !proto->m_bCountable))		return;	leftover_count = pMerch->sCount - item_count;	pMerchant->GoldChange(GetSocketID(), req_gold);	pItem->nNum = itemid;	pItem->sCount += item_count;	pItem->sDuration = pMerch->sDuration;	pItem->nSerialNum = pMerch->nSerialNum;	pMerch->sCount -= item_count;	// TO-DO : Proper checks for the removal of the items in the array, we're now assuming everything gets bought	if (pMerch->sCount == 0)		memset(pMerch, 0, sizeof(_MERCH_DATA));	SetSlotItemValue();	pMerchant->SetSlotItemValue();	SetUserAbility();	pMerchant->SetUserAbility();	SendStackChange(itemid, pItem->sCount, pItem->sDuration, dest_slot, 		(pItem->sCount == item_count)); // is it a new item?	pMerchant->SendStackChange(itemid, leftover_count, pMerch->sDuration, 		pMerch->bOriginalSlot - SLOT_MAX);	Packet result(WIZ_MERCHANT, uint8(MERCHANT_ITEM_PURCHASED));	result << itemid << GetName();	pMerchant->Send(&result);	result.clear();	result	<< uint8(MERCHANT_ITEM_BUY) << uint16(1)			<< itemid << leftover_count			<< item_slot << dest_slot;	Send(&result);	if (item_slot < 4 && leftover_count == 0)	{		result.Initialize(WIZ_MERCHANT_INOUT);		result << uint8(2) << m_sMerchantsSocketID << uint16(item_slot);		pMerchant->SendToRegion(&result);	}	int nItemsRemaining = 0;	for (int i = 0; i < MAX_MERCH_ITEMS; i++)	{		if (pMerchant->m_arMerchantItems[i].nNum != 0)			nItemsRemaining++;	}	if (nItemsRemaining == 0)		MerchantClose();}			

//.........这里部分代码省略.........		if (pNpc == NULL || pNpc->m_NpcState == NPC_DEAD)			continue;		if( m_pSrcUser->m_bNation == pNpc->m_byGroup ) continue;		vEnd.Set(pNpc->m_fCurX, pNpc->m_fCurY, pNpc->m_fCurZ); 		fDis = pNpc->GetDistance(vStart, vEnd);		if(fDis > fRadius)			continue;		if(magictype == 3)	{	// 
C++ uint8_fromregion函数代码示例
C++ uint64_t函数代码示例