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path: root/src/server/game/Handlers/SkillHandler.cpp
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/*
 * 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 "DatabaseEnv.h"
#include "Opcodes.h"
#include "Log.h"
#include "Player.h"
#include "WorldPacket.h"
#include "WorldSession.h"
#include "ObjectAccessor.h"
#include "UpdateMask.h"

void WorldSession::HandleLearnTalentOpcode(WorldPacket & recv_data)
{
    uint32 talentId, requestedRank;
    recv_data >> talentId >> requestedRank;

    if (_player->LearnTalent(talentId, requestedRank))
        _player->SendTalentsInfoData(false);
}

void WorldSession::HandleLearnPreviewTalents(WorldPacket& recvPacket)
{
    sLog->outDebug(LOG_FILTER_NETWORKIO, "CMSG_LEARN_PREVIEW_TALENTS");

    int32 tabPage;
    uint32 talentsCount;
    recvPacket >> tabPage;    // talent tree

    // prevent cheating (selecting new tree with points already in another)
    if (tabPage >= 0)   // -1 if player already has specialization
    {
        if (TalentTabEntry const* talentTabEntry = sTalentTabStore.LookupEntry(_player->GetPrimaryTalentTree(_player->GetActiveSpec())))
        {
            if (talentTabEntry->tabpage != tabPage)
            {
                recvPacket.rfinish();
                return;
            }
        }
    }

    recvPacket >> talentsCount;

    uint32 talentId, talentRank;

    for (uint32 i = 0; i < talentsCount; ++i)
    {
        recvPacket >> talentId >> talentRank;

        if (!_player->LearnTalent(talentId, talentRank))
        {
            recvPacket.rfinish();
            break;
        }
    }

    _player->SendTalentsInfoData(false);
}

void WorldSession::HandleTalentWipeConfirmOpcode(WorldPacket & recv_data)
{
    sLog->outDebug(LOG_FILTER_NETWORKIO, "MSG_TALENT_WIPE_CONFIRM");
    uint64 guid;
    recv_data >> guid;

    Creature* unit = GetPlayer()->GetNPCIfCanInteractWith(guid, UNIT_NPC_FLAG_TRAINER);
    if (!unit)
    {
        sLog->outDebug(LOG_FILTER_NETWORKIO, "WORLD: HandleTalentWipeConfirmOpcode - Unit (GUID: %u) not found or you can't interact with him.", uint32(GUID_LOPART(guid)));
        return;
    }

    // remove fake death
    if (GetPlayer()->HasUnitState(UNIT_STATE_DIED))
        GetPlayer()->RemoveAurasByType(SPELL_AURA_FEIGN_DEATH);

    if (!_player->ResetTalents())
    {
        WorldPacket data(MSG_TALENT_WIPE_CONFIRM, 8+4);    //you have not any talent
        data << uint64(0);
        data << uint32(0);
        SendPacket(&data);
        return;
    }

    _player->SendTalentsInfoData(false);
    unit->CastSpell(_player, 14867, true);                  //spell: "Untalent Visual Effect"
}

void WorldSession::HandleUnlearnSkillOpcode(WorldPacket& recv_data)
{
    uint32 skillId;
    recv_data >> skillId;
    GetPlayer()->SetSkill(skillId, 0, 0, 0);
}