/*
    <one line to give the program's name and a brief idea of what it does.>
    Copyright (C) 2011  <copyright holder> <email>

    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 3 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/>.
*/

#pragma once

#include <deque>
#include "ICommand.h"
#include "UnitStatus.h"

//------------------------------------------------------------------------------
/// Server part of the tunnel, it receives commands and can send back data about
/// the game state to the client.
//
class TunnelToClient
{
public:
    virtual ~TunnelToClient() {}

    /// Send data back to client
    virtual void sendData(UnitStatus data) = 0;

    /// Is a command queued?
    bool commandAvailable();

    /// Get the first command from the queue.
    //
    ICommand *getCommand(); //TODO: auto_ptr

protected:
    void queueCommand(ICommand *cmd);

private:
    std::deque<ICommand *> commands_;
};

