event_dispatcher_v3.h

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/*
**  ClanLib SDK
**  Copyright (c) 1997-2009 The ClanLib Team
**
**  This software is provided 'as-is', without any express or implied
**  warranty.  In no event will the authors be held liable for any damages
**  arising from the use of this software.
**
**  Permission is granted to anyone to use this software for any purpose,
**  including commercial applications, and to alter it and redistribute it
**  freely, subject to the following restrictions:
**
**  1. The origin of this software must not be misrepresented; you must not
**     claim that you wrote the original software. If you use this software
**     in a product, an acknowledgment in the product documentation would be
**     appreciated but is not required.
**  2. Altered source versions must be plainly marked as such, and must not be
**     misrepresented as being the original software.
**  3. This notice may not be removed or altered from any source distribution.
**
**  Note: Some of the libraries ClanLib may link to may have additional
**  requirements or restrictions.
**
**  File Author(s):
**
**    Magnus Norddahl
*/


#pragma once

#include "event.h"
#include <map>
#include "../../Core/Signals/callback_v4.h"

template<typename ContextParam1, typename ContextParam2, typename ContextParam3>
class CL_NetGameEventDispatcher_v3
{
public:
        typedef CL_Callback_v4<const CL_NetGameEvent &, ContextParam1, ContextParam2, ContextParam3> CallbackClass;

        CallbackClass &func_event(const CL_String &name) { return event_handlers[name]; }

        bool dispatch(const CL_NetGameEvent &game_event, ContextParam1 context1, ContextParam2 context2, ContextParam3 context3);

private:
        std::map<CL_String, CallbackClass> event_handlers;
};

template<typename ContextParam1, typename ContextParam2, typename ContextParam3>
bool CL_NetGameEventDispatcher_v3<ContextParam1, ContextParam2, ContextParam3>::dispatch(const CL_NetGameEvent &game_event, ContextParam1 context1, ContextParam2 context2, ContextParam3 context3)
{
        typename std::map<CL_String, CallbackClass>::iterator it;
        it = event_handlers.find(game_event.get_name());
        if (it != event_handlers.end() && !it->second.is_null())
        {
                it->second.invoke(game_event, context1, context2, context3);
                return true;
        }
        else
        {
                return false;
        }
}

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