/*
 * Copyright (C) 2016+     AzerothCore <www.azerothcore.org>, released under GNU GPL v2 license: http://github.com/azerothcore/azerothcore-wotlk/LICENSE-GPL2
 * Copyright (C) 2008-2016 TrinityCore <http://www.trinitycore.org/>
 * Copyright (C) 2005-2009 MaNGOS <http://getmangos.com/>
 */

#ifndef __UPDATEDATA_H
#define __UPDATEDATA_H

#include "ByteBuffer.h"
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
};

class UpdateData
{
    public:
        UpdateData();

        void AddOutOfRangeGUID(uint64 guid);
        void AddUpdateBlock(const ByteBuffer &block);
        void AddUpdateBlock(const UpdateData &block);
        bool BuildPacket(WorldPacket* packet);
        bool HasData() const { return m_blockCount > 0 || !m_outOfRangeGUIDs.empty(); }
        void Clear();

    protected:
        uint32 m_blockCount;
        std::vector<uint64> m_outOfRangeGUIDs;
        ByteBuffer m_data;

        void Compress(void* dst, uint32 *dst_size, void* src, int src_size);
};
#endif

