messagein.h

Go to the documentation of this file.

/*
 *  The Mana Client
 *  Copyright (C) 2004-2009  The Mana World Development Team
 *  Copyright (C) 2009-2012  The Mana Developers
 *
 *  This file is part of The Mana Client.
 *
 *  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
 *  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/>.
 */
 
#pragma once
 
#include <cstdint>
#include <string>
 
namespace TmwAthena {
 
class MessageIn
{
    public:
        MessageIn(const char *data, unsigned int length);
 
        uint16_t getId() const { return mId; }
 
        unsigned int getLength() const { return mLength; }
 
        unsigned int getUnreadLength() const
        {
            return (mPos < mLength) ? mLength - mPos : 0;
        }
 
        uint8_t readInt8();
 
        uint16_t readInt16();
 
        uint32_t readInt32();
 
        void readCoordinates(uint16_t &x, uint16_t &y, uint8_t &direction);
 
        void readCoordinatePair(uint16_t &srcX, uint16_t &srcY,
                                uint16_t &dstX, uint16_t &dstY);
 
        void skip(unsigned int length);
 
        std::string readString(int length = -1);
 
    private:
        const char *mData;             
        unsigned int mLength;          
        unsigned short mId;            
        unsigned int mPos;
};
 
} // TmwAthena