diff options
Diffstat (limited to 'src/server/game/Handlers/SpellHandler.cpp')
-rwxr-xr-x | src/server/game/Handlers/SpellHandler.cpp | 686 |
1 files changed, 686 insertions, 0 deletions
diff --git a/src/server/game/Handlers/SpellHandler.cpp b/src/server/game/Handlers/SpellHandler.cpp new file mode 100755 index 00000000000..b8908d0f9f9 --- /dev/null +++ b/src/server/game/Handlers/SpellHandler.cpp @@ -0,0 +1,686 @@ +/* + * Copyright (C) 2008-2012 TrinityCore <http://www.trinitycore.org/> + * Copyright (C) 2005-2009 MaNGOS <http://getmangos.com/> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along + * with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include "Common.h" +#include "DBCStores.h" +#include "WorldPacket.h" +#include "WorldSession.h" +#include "ObjectMgr.h" +#include "SpellMgr.h" +#include "Log.h" +#include "Opcodes.h" +#include "Spell.h" +#include "Totem.h" +#include "TemporarySummon.h" +#include "SpellAuras.h" +#include "CreatureAI.h" +#include "ScriptMgr.h" +#include "GameObjectAI.h" +#include "SpellAuraEffects.h" + +void WorldSession::HandleClientCastFlags(WorldPacket& recvPacket, uint8 castFlags, SpellCastTargets& targets) +{ + // some spell cast packet including more data (for projectiles?) + if (castFlags & 0x02) + { + // not sure about these two + float elevation, speed; + recvPacket >> elevation; + recvPacket >> speed; + + targets.SetElevation(elevation); + targets.SetSpeed(speed); + + uint8 hasMovementData; + recvPacket >> hasMovementData; + if (hasMovementData) + { + recvPacket.rfinish(); + // movement packet for caster of the spell + /*recvPacket.read_skip<uint32>(); // MSG_MOVE_STOP - hardcoded in client + uint64 guid; + recvPacket.readPackGUID(guid); + + MovementInfo movementInfo; + movementInfo.guid = guid; + ReadMovementInfo(recvPacket, &movementInfo);*/ + } + } +} + +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, castFlags; + uint8 castCount; // next cast if exists (single or not) + uint64 itemGUID; + uint32 glyphIndex; // something to do with glyphs? + uint32 spellId; // casted spell id + + recvPacket >> bagIndex >> slot >> castCount >> spellId >> itemGUID >> glyphIndex >> castFlags; + + if (glyphIndex >= MAX_GLYPH_SLOT_INDEX) + { + pUser->SendEquipError(EQUIP_ERR_ITEM_NOT_FOUND, NULL, NULL); + return; + } + + Item* pItem = pUser->GetUseableItemByPos(bagIndex, slot); + if (!pItem) + { + pUser->SendEquipError(EQUIP_ERR_ITEM_NOT_FOUND, NULL, NULL); + return; + } + + if (pItem->GetGUID() != itemGUID) + { + pUser->SendEquipError(EQUIP_ERR_ITEM_NOT_FOUND, NULL, NULL); + return; + } + + sLog->outDetail("WORLD: CMSG_USE_ITEM packet, bagIndex: %u, slot: %u, castCount: %u, spellId: %u, Item: %u, glyphIndex: %u, data length = %i", bagIndex, slot, castCount, spellId, pItem->GetEntry(), glyphIndex, (uint32)recvPacket.size()); + + ItemTemplate const* proto = pItem->GetTemplate(); + 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; + } + + InventoryResult 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_PROTO_FLAG_USEABLE_IN_ARENA) && pUser->InArena()) + { + pUser->SendEquipError(EQUIP_ERR_NOT_DURING_ARENA_MATCH, pItem, NULL); + return; + } + + // don't allow items banned in arena + if (proto->Flags & ITEM_PROTO_FLAG_NOT_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 (SpellInfo const* spellInfo = sSpellMgr->GetSpellInfo(proto->Spells[i].SpellId)) + { + if (!spellInfo->CanBeUsedInCombat()) + { + 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->GetTemplate()->Bonding == BIND_WHEN_USE || pItem->GetTemplate()->Bonding == BIND_WHEN_PICKED_UP || pItem->GetTemplate()->Bonding == BIND_QUEST_ITEM) + { + if (!pItem->IsSoulBound()) + { + pItem->SetState(ITEM_CHANGED, pUser); + pItem->SetBinding(true); + } + } + + SpellCastTargets targets; + targets.Read(recvPacket, pUser); + HandleClientCastFlags(recvPacket, castFlags, targets); + + if (!pItem->IsTargetValidForItemUse(targets.GetUnitTarget())) + { + // free gray item after use fail + pUser->SendEquipError(EQUIP_ERR_NONE, pItem, NULL); + + // send spell error + if (SpellInfo const* spellInfo = sSpellMgr->GetSpellInfo(spellId)) + { + // for implicit area/coord target spells + if (!targets.GetUnitTarget()) + Spell::SendCastResult(_player, spellInfo, castCount, SPELL_FAILED_NO_VALID_TARGETS); + // for explicit target spells + else + Spell::SendCastResult(_player, spellInfo, castCount, 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, castCount, glyphIndex); + } +} + +#define OPEN_CHEST 11437 +#define OPEN_SAFE 11535 +#define OPEN_CAGE 11792 +#define OPEN_BOOTY_CHEST 5107 +#define OPEN_STRONGBOX 8517 + +void WorldSession::HandleOpenItemOpcode(WorldPacket& recvPacket) +{ + sLog->outDetail("WORLD: CMSG_OPEN_ITEM packet, data length = %i", (uint32)recvPacket.size()); + + Player* pUser = _player; + + // ignore for remote control state + if (pUser->m_mover != pUser) + return; + + uint8 bagIndex, slot; + + recvPacket >> bagIndex >> slot; + + sLog->outDetail("bagIndex: %u, slot: %u", bagIndex, slot); + + Item* item = pUser->GetItemByPos(bagIndex, slot); + if (!item) + { + pUser->SendEquipError(EQUIP_ERR_ITEM_NOT_FOUND, NULL, NULL); + return; + } + + ItemTemplate const* proto = item->GetTemplate(); + if (!proto) + { + pUser->SendEquipError(EQUIP_ERR_ITEM_NOT_FOUND, item, NULL); + return; + } + + // Verify that the bag is an actual bag or wrapped item that can be used "normally" + if (!(proto->Flags & ITEM_PROTO_FLAG_OPENABLE) && !item->HasFlag(ITEM_FIELD_FLAGS, ITEM_FLAG_WRAPPED)) + { + pUser->SendEquipError(EQUIP_ERR_CANT_DO_RIGHT_NOW, item, NULL); + sLog->outError("Possible hacking attempt: Player %s [guid: %u] tried to open item [guid: %u, entry: %u] which is not openable!", + pUser->GetName(), pUser->GetGUIDLow(), item->GetGUIDLow(), proto->ItemId); + return; + } + + // locked item + uint32 lockId = proto->LockID; + if (lockId) + { + LockEntry const* lockInfo = sLockStore.LookupEntry(lockId); + + if (!lockInfo) + { + pUser->SendEquipError(EQUIP_ERR_ITEM_LOCKED, item, NULL); + sLog->outError("WORLD::OpenItem: item [guid = %u] has an unknown lockId: %u!", item->GetGUIDLow(), lockId); + return; + } + + // was not unlocked yet + if (item->IsLocked()) + { + pUser->SendEquipError(EQUIP_ERR_ITEM_LOCKED, item, NULL); + return; + } + } + + if (item->HasFlag(ITEM_FIELD_FLAGS, ITEM_FLAG_WRAPPED))// wrapped? + { + QueryResult result = CharacterDatabase.PQuery("SELECT entry, flags FROM character_gifts WHERE item_guid = '%u'", item->GetGUIDLow()); + if (result) + { + Field* fields = result->Fetch(); + uint32 entry = fields[0].GetUInt32(); + uint32 flags = fields[1].GetUInt32(); + + item->SetUInt64Value(ITEM_FIELD_GIFTCREATOR, 0); + item->SetEntry(entry); + item->SetUInt32Value(ITEM_FIELD_FLAGS, flags); + item->SetState(ITEM_CHANGED, pUser); + } + else + { + sLog->outError("Wrapped item %u don't have record in character_gifts table and will deleted", item->GetGUIDLow()); + pUser->DestroyItem(item->GetBagSlot(), item->GetSlot(), true); + return; + } + + PreparedStatement* stmt = CharacterDatabase.GetPreparedStatement(CHAR_DEL_GIFT); + + stmt->setUInt32(0, item->GetGUIDLow()); + + CharacterDatabase.Execute(stmt); + } + else + pUser->SendLoot(item->GetGUID(), LOOT_CORPSE); +} + +void WorldSession::HandleGameObjectUseOpcode(WorldPacket & recv_data) +{ + uint64 guid; + + recv_data >> guid; + + sLog->outDebug(LOG_FILTER_NETWORKIO, "WORLD: Recvd CMSG_GAMEOBJ_USE Message [guid=%u]", GUID_LOPART(guid)); + + // ignore for remote control state + if (_player->m_mover != _player) + return; + + if (GameObject* obj = GetPlayer()->GetMap()->GetGameObject(guid)) + obj->Use(_player); +} + +void WorldSession::HandleGameobjectReportUse(WorldPacket& recvPacket) +{ + uint64 guid; + recvPacket >> guid; + + sLog->outDebug(LOG_FILTER_NETWORKIO, "WORLD: Recvd CMSG_GAMEOBJ_REPORT_USE Message [in game guid: %u]", GUID_LOPART(guid)); + + // ignore for remote control state + if (_player->m_mover != _player) + return; + + GameObject* go = GetPlayer()->GetMap()->GetGameObject(guid); + if (!go) + return; + + if (!go->IsWithinDistInMap(_player, INTERACTION_DISTANCE)) + return; + + go->AI()->GossipHello(_player); + + _player->GetAchievementMgr().UpdateAchievementCriteria(ACHIEVEMENT_CRITERIA_TYPE_USE_GAMEOBJECT, go->GetEntry()); +} + +void WorldSession::HandleCastSpellOpcode(WorldPacket& recvPacket) +{ + uint32 spellId; + uint8 castCount, castFlags; + recvPacket >> castCount >> spellId >> castFlags; + + sLog->outDebug(LOG_FILTER_NETWORKIO, "WORLD: got cast spell packet, castCount: %u, spellId: %u, castFlags: %u, data length = %u", castCount, spellId, castFlags, (uint32)recvPacket.size()); + + // ignore for remote control state (for player case) + Unit* mover = _player->m_mover; + if (mover != _player && mover->GetTypeId() == TYPEID_PLAYER) + { + recvPacket.rfinish(); // prevent spam at ignore packet + return; + } + + SpellInfo const* spellInfo = sSpellMgr->GetSpellInfo(spellId); + + if (!spellInfo) + { + sLog->outError("WORLD: unknown spell id %u", spellId); + recvPacket.rfinish(); // 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 (!mover->ToPlayer()->HasActiveSpell (spellId) || spellInfo->IsPassive()) + { + //cheater? kick? ban? + recvPacket.rfinish(); // prevent spam at ignore packet + return; + } + } + else + { + // not have spell in spellbook or spell passive and not casted by client + if ((mover->GetTypeId() == TYPEID_UNIT && !mover->ToCreature()->HasSpell(spellId)) || spellInfo->IsPassive()) + { + //cheater? kick? ban? + recvPacket.rfinish(); // 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 (spellInfo->IsAutoRepeatRangedSpell() && _player->GetCurrentSpell(CURRENT_AUTOREPEAT_SPELL) + && _player->GetCurrentSpell(CURRENT_AUTOREPEAT_SPELL)->m_spellInfo == spellInfo) + { + recvPacket.rfinish(); + return; + } + + // can't use our own spells when we're in possession of another unit, + if (_player->isPossessing()) + { + recvPacket.rfinish(); // prevent spam at ignore packet + return; + } + + // client provided targets + SpellCastTargets targets; + targets.Read(recvPacket, mover); + HandleClientCastFlags(recvPacket, castFlags, targets); + + // auto-selection buff level base at target level (in spellInfo) + if (targets.GetUnitTarget()) + { + SpellInfo const* actualSpellInfo = spellInfo->GetAuraRankForLevel(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, TRIGGERED_NONE, 0, false); + spell->m_cast_count = castCount; // set count of casts + spell->prepare(&targets); +} + +void WorldSession::HandleCancelCastOpcode(WorldPacket& recvPacket) +{ + uint32 spellId; + + recvPacket.read_skip<uint8>(); // counter, increments with every CANCEL packet, don't use for now + recvPacket >> spellId; + + if (_player->IsNonMeleeSpellCasted(false)) + _player->InterruptNonMeleeSpells(false, spellId, false); +} + +void WorldSession::HandleCancelAuraOpcode(WorldPacket& recvPacket) +{ + uint32 spellId; + recvPacket >> spellId; + + SpellInfo const* spellInfo = sSpellMgr->GetSpellInfo(spellId); + if (!spellInfo) + return; + + // not allow remove spells with attr SPELL_ATTR0_CANT_CANCEL + if (spellInfo->Attributes & SPELL_ATTR0_CANT_CANCEL) + return; + + // channeled spell case (it currently casted then) + if (spellInfo->IsChanneled()) + { + if (Spell* curSpell = _player->GetCurrentSpell(CURRENT_CHANNELED_SPELL)) + if (curSpell->m_spellInfo->Id == spellId) + _player->InterruptSpell(CURRENT_CHANNELED_SPELL); + return; + } + + // non channeled case: + // don't allow remove non positive spells + // don't allow cancelling passive auras (some of them are visible) + if (!spellInfo->IsPositive() || spellInfo->IsPassive()) + return; + + // maybe should only remove one buff when there are multiple? + _player->RemoveOwnedAura(spellId, 0, 0, AURA_REMOVE_BY_CANCEL); +} + +void WorldSession::HandlePetCancelAuraOpcode(WorldPacket& recvPacket) +{ + uint64 guid; + uint32 spellId; + + recvPacket >> guid; + recvPacket >> spellId; + + SpellInfo const* spellInfo = sSpellMgr->GetSpellInfo(spellId); + if (!spellInfo) + { + sLog->outError("WORLD: unknown PET spell id %u", spellId); + return; + } + + Creature* pet=ObjectAccessor::GetCreatureOrPetOrVehicle(*_player, guid); + + if (!pet) + { + sLog->outError("HandlePetCancelAura: Attempt to cancel an aura for non-existant pet %u by player '%s'", uint32(GUID_LOPART(guid)), GetPlayer()->GetName()); + return; + } + + if (pet != GetPlayer()->GetGuardianPet() && pet != GetPlayer()->GetCharm()) + { + sLog->outError("HandlePetCancelAura: Pet %u is not a pet of player '%s'", uint32(GUID_LOPART(guid)), GetPlayer()->GetName()); + return; + } + + if (!pet->isAlive()) + { + pet->SendPetActionFeedback(FEEDBACK_PET_DEAD); + return; + } + + pet->RemoveOwnedAura(spellId, 0, 0, AURA_REMOVE_BY_CANCEL); + + pet->AddCreatureSpellCooldown(spellId); +} + +void WorldSession::HandleCancelGrowthAuraOpcode(WorldPacket& /*recvPacket*/) +{ +} + +void WorldSession::HandleCancelAutoRepeatSpellOpcode(WorldPacket& /*recvPacket*/) +{ + // may be better send SMSG_CANCEL_AUTO_REPEAT? + // cancel and prepare for deleting + _player->InterruptSpell(CURRENT_AUTOREPEAT_SPELL); +} + +void WorldSession::HandleCancelChanneling(WorldPacket & recv_data) +{ + recv_data.read_skip<uint32>(); // spellid, not used + + // ignore for remote control state (for player case) + Unit* mover = _player->m_mover; + if (mover != _player && mover->GetTypeId() == TYPEID_PLAYER) + return; + + mover->InterruptSpell(CURRENT_CHANNELED_SPELL); +} + +void WorldSession::HandleTotemDestroyed(WorldPacket& recvPacket) +{ + // ignore for remote control state + if (_player->m_mover != _player) + return; + + uint8 slotId; + + recvPacket >> slotId; + + ++slotId; + if (slotId >= MAX_TOTEM_SLOT) + return; + + if (!_player->m_SummonSlot[slotId]) + return; + + Creature* totem = GetPlayer()->GetMap()->GetCreature(_player->m_SummonSlot[slotId]); + // Don't unsummon sentry totem + if (totem && totem->isTotem() && totem->GetEntry() != SENTRY_TOTEM_ENTRY) + totem->ToTotem()->UnSummon(); +} + +void WorldSession::HandleSelfResOpcode(WorldPacket & /*recv_data*/) +{ + sLog->outDebug(LOG_FILTER_NETWORKIO, "WORLD: CMSG_SELF_RES"); // empty opcode + + if (_player->HasAuraType(SPELL_AURA_PREVENT_RESURRECTION)) + return; // silent return, client should display error by itself and not send this opcode + + if (_player->GetUInt32Value(PLAYER_SELF_RES_SPELL)) + { + SpellInfo const* spellInfo = sSpellMgr->GetSpellInfo(_player->GetUInt32Value(PLAYER_SELF_RES_SPELL)); + if (spellInfo) + _player->CastSpell(_player, spellInfo, false, 0); + + _player->SetUInt32Value(PLAYER_SELF_RES_SPELL, 0); + } +} + +void WorldSession::HandleSpellClick(WorldPacket& recv_data) +{ + uint64 guid; + recv_data >> guid; + + // this will get something not in world. crash + Creature* unit = ObjectAccessor::GetCreatureOrPetOrVehicle(*_player, guid); + + if (!unit) + return; + + // TODO: Unit::SetCharmedBy: 28782 is not in world but 0 is trying to charm it! -> crash + if (!unit->IsInWorld()) + return; + + unit->HandleSpellClick(_player); +} + +void WorldSession::HandleMirrorImageDataRequest(WorldPacket & recv_data) +{ + sLog->outDebug(LOG_FILTER_NETWORKIO, "WORLD: CMSG_GET_MIRRORIMAGE_DATA"); + uint64 guid; + recv_data >> guid; + + // Get unit for which data is needed by client + Unit* unit = ObjectAccessor::GetObjectInWorld(guid, (Unit*)NULL); + if (!unit) + return; + + if (!unit->HasAuraType(SPELL_AURA_CLONE_CASTER)) + return; + + // Get creator of the unit (SPELL_AURA_CLONE_CASTER does not stack) + Unit* creator = unit->GetAuraEffectsByType(SPELL_AURA_CLONE_CASTER).front()->GetCaster(); + if (!creator) + return; + + WorldPacket data(SMSG_MIRRORIMAGE_DATA, 68); + data << uint64(guid); + data << uint32(creator->GetDisplayId()); + data << uint8(creator->getRace()); + data << uint8(creator->getGender()); + data << uint8(creator->getClass()); + + if (creator->GetTypeId() == TYPEID_PLAYER) + { + Player* player = creator->ToPlayer(); + data << uint8(player->GetByteValue(PLAYER_BYTES, 0)); // skin + data << uint8(player->GetByteValue(PLAYER_BYTES, 1)); // face + data << uint8(player->GetByteValue(PLAYER_BYTES, 2)); // hair + data << uint8(player->GetByteValue(PLAYER_BYTES, 3)); // haircolor + data << uint8(player->GetByteValue(PLAYER_BYTES_2, 0)); // facialhair + data << uint32(player->GetGuildId()); // unk + + static EquipmentSlots const itemSlots[] = + { + EQUIPMENT_SLOT_HEAD, + EQUIPMENT_SLOT_SHOULDERS, + EQUIPMENT_SLOT_BODY, + EQUIPMENT_SLOT_CHEST, + EQUIPMENT_SLOT_WAIST, + EQUIPMENT_SLOT_LEGS, + EQUIPMENT_SLOT_FEET, + EQUIPMENT_SLOT_WRISTS, + EQUIPMENT_SLOT_HANDS, + EQUIPMENT_SLOT_BACK, + EQUIPMENT_SLOT_TABARD, + EQUIPMENT_SLOT_END + }; + + // Display items in visible slots + for (EquipmentSlots const* itr = &itemSlots[0]; *itr != EQUIPMENT_SLOT_END; ++itr) + { + if (*itr == EQUIPMENT_SLOT_HEAD && player->HasFlag(PLAYER_FLAGS, PLAYER_FLAGS_HIDE_HELM)) + data << uint32(0); + else if (*itr == EQUIPMENT_SLOT_BACK && player->HasFlag(PLAYER_FLAGS, PLAYER_FLAGS_HIDE_CLOAK)) + data << uint32(0); + else if (Item const* item = player->GetItemByPos(INVENTORY_SLOT_BAG_0, *itr)) + data << uint32(item->GetTemplate()->DisplayInfoID); + else + data << uint32(0); + } + } + else + { + // Skip player data for creatures + data << uint8(0); + data << uint32(0); + data << uint32(0); + data << uint32(0); + data << uint32(0); + data << uint32(0); + data << uint32(0); + data << uint32(0); + data << uint32(0); + data << uint32(0); + data << uint32(0); + data << uint32(0); + data << uint32(0); + data << uint32(0); + } + + SendPacket(&data); +} + +void WorldSession::HandleUpdateProjectilePosition(WorldPacket& recvPacket) +{ + sLog->outDebug(LOG_FILTER_NETWORKIO, "WORLD: CMSG_UPDATE_PROJECTILE_POSITION"); + + uint64 casterGuid; + uint32 spellId; + uint8 castCount; + float x, y, z; // Position of missile hit + + recvPacket.readPackGUID(casterGuid); + recvPacket >> spellId; + recvPacket >> castCount; + recvPacket >> x; + recvPacket >> y; + recvPacket >> z; + + WorldPacket data(SMSG_SET_PROJECTILE_POSITION, 21); + data << uint64(casterGuid); + data << uint8(castCount); + data << float(x); + data << float(y); + data << float(z); + SendPacket(&data); +} |