ServerLinesHandler.cpp

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////////////////////////////////////////////////////////////////////////////////
//    Scorched3D (c) 2000-2009
//
//    This file is part of Scorched3D.
//
//    Scorched3D 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.
//
//    Scorched3D 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 Scorched3D; if not, write to the Free Software
//    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
////////////////////////////////////////////////////////////////////////////////

#include <server/ServerLinesHandler.h>
#include <server/ScorchedServer.h>
#include <server/ScorchedServerUtil.h>
#include <server/ServerCommon.h>
#include <server/ServerMessageHandler.h>
#include <coms/ComsLinesMessage.h>
#include <coms/ComsMessageSender.h>
#include <tank/TankContainer.h>
#include <tank/TankState.h>
#include <common/Logger.h>

ServerLinesHandler *ServerLinesHandler::instance()
{
        static ServerLinesHandler *instance = 
                new ServerLinesHandler;
        return instance;
}

ServerLinesHandler::ServerLinesHandler()
{
        ScorchedServer::instance()->getComsMessageHandler().addHandler(
                "ComsLinesMessage",
                this);
}

ServerLinesHandler::~ServerLinesHandler()
{
}

bool ServerLinesHandler::processMessage(
        NetMessage &netMessage,
        const char *messageType,
        NetBufferReader &reader)
{
        ComsLinesMessage message;
        if (!message.readMessage(reader)) return false;

        // Reject large messages
        if (message.getLines().size() > 150) return true;

        // Check the player id has been supplied
        unsigned int playerId = message.getPlayerId();
        if (playerId == 0) return true;

        // Check this is a tank, and comes from the correct destination
        Tank *tank = ScorchedServer::instance()->getTankContainer().getTankById(playerId);
        if (!tank || tank->getDestinationId() != netMessage.getDestinationId()) return true;

        // If this tank has been muted also don't allow lines
        if (tank->getState().getMuted()) return true;

        // Get destinationinfo for this tank
        ServerMessageHandler::DestinationInfo *destinationInfo =
                ServerMessageHandler::instance()->getDestinationInfo(netMessage.getDestinationId());

        // Send all team messages to everyone in the team (or any admins)
        // Only send to the same destination once
        std::set<unsigned int> doneDests;
        doneDests.insert(netMessage.getDestinationId()); // Don't send to recieved dest
        std::map<unsigned int, Tank *> &tanks =
                ScorchedServer::instance()->getTankContainer().getPlayingTanks();
        std::map<unsigned int, Tank *>::iterator itor;
        for (itor = tanks.begin();
                itor != tanks.end();
                itor++)
        {
                Tank *currentTank = (*itor).second;
                if (tank->getTeam() == currentTank->getTeam() ||
                        (destinationInfo && destinationInfo->admin))
                {
                        if (doneDests.find(currentTank->getDestinationId()) ==
                                doneDests.end())
                        {
                                doneDests.insert(currentTank->getDestinationId());
                                ComsMessageSender::sendToSingleClient(message,
                                        currentTank->getDestinationId());
                        }
                }
        }       

        return true;
}

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