UpdateData.h

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/*
 * This file is part of the TrinityCore Project. See AUTHORS file for Copyright information
 *
 * 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/>.
 */
 
#ifndef __UPDATEDATA_H
#define __UPDATEDATA_H
 
#include "Define.h"
#include "ByteBuffer.h"
#include "ObjectGuid.h"
#include <set>
 
class WorldPacket;
 
enum OBJECT_UPDATE_TYPE
{
    UPDATETYPE_VALUES               = 0,
    UPDATETYPE_MOVEMENT             = 1,
    UPDATETYPE_CREATE_OBJECT        = 2,
    UPDATETYPE_CREATE_OBJECT2       = 3,
    UPDATETYPE_OUT_OF_RANGE_OBJECTS = 4,
    UPDATETYPE_NEAR_OBJECTS         = 5
};
 
enum OBJECT_UPDATE_FLAGS
{
    UPDATEFLAG_NONE                 = 0x0000,
    UPDATEFLAG_SELF                 = 0x0001,
    UPDATEFLAG_TRANSPORT            = 0x0002,
    UPDATEFLAG_HAS_TARGET           = 0x0004,
    UPDATEFLAG_UNKNOWN              = 0x0008,
    UPDATEFLAG_LOWGUID              = 0x0010,
    UPDATEFLAG_LIVING               = 0x0020,
    UPDATEFLAG_STATIONARY_POSITION  = 0x0040,
    UPDATEFLAG_VEHICLE              = 0x0080,
    UPDATEFLAG_POSITION             = 0x0100,
    UPDATEFLAG_ROTATION             = 0x0200,
    UPDATEFLAG_NO_BIRTH_ANIM        = 0x0400
};
 
class UpdateData
{
    public:
        UpdateData();
        UpdateData(UpdateData&& right) : m_blockCount(right.m_blockCount),
            m_outOfRangeGUIDs(std::move(right.m_outOfRangeGUIDs)),
            m_data(std::move(right.m_data))
        {
        }
 
        void AddOutOfRangeGUID(GuidSet& guids);
        void AddOutOfRangeGUID(ObjectGuid guid);
        void AddUpdateBlock() { ++m_blockCount; }
        ByteBuffer& GetBuffer() { return m_data; }
        bool BuildPacket(WorldPacket* packet);
        bool HasData() const { return m_blockCount > 0 || !m_outOfRangeGUIDs.empty(); }
        void Clear();
 
        GuidSet const& GetOutOfRangeGUIDs() const { return m_outOfRangeGUIDs; }
 
    protected:
        uint32 m_blockCount;
        GuidSet m_outOfRangeGUIDs;
        ByteBuffer m_data;
 
        void Compress(void* dst, uint32 *dst_size, void* src, int src_size);
 
        UpdateData(UpdateData const& right) = delete;
        UpdateData& operator=(UpdateData const& right) = delete;
};
#endif