event_dispatcher.h
1 /*
2 ** ClanLib SDK
3 ** Copyright (c) 1997-2016 The ClanLib Team
4 **
5 ** This software is provided 'as-is', without any express or implied
6 ** warranty. In no event will the authors be held liable for any damages
7 ** arising from the use of this software.
8 **
9 ** Permission is granted to anyone to use this software for any purpose,
10 ** including commercial applications, and to alter it and redistribute it
11 ** freely, subject to the following restrictions:
12 **
13 ** 1. The origin of this software must not be misrepresented; you must not
14 ** claim that you wrote the original software. If you use this software
15 ** in a product, an acknowledgment in the product documentation would be
16 ** appreciated but is not required.
17 ** 2. Altered source versions must be plainly marked as such, and must not be
18 ** misrepresented as being the original software.
19 ** 3. This notice may not be removed or altered from any source distribution.
20 **
21 ** Note: Some of the libraries ClanLib may link to may have additional
22 ** requirements or restrictions.
23 **
24 ** File Author(s):
25 **
26 ** Magnus Norddahl
27 ** Chu Chin Kuan
28 */
29 
30 #pragma once
31 
32 #include "event.h"
33 #include <map>
34 
35 namespace clan
36 {
37  template<class... Params>
39  {
40  public:
41  typedef std::function< void(const NetGameEvent &, Params...) > CallbackClass;
42 
43  CallbackClass &func_event(const std::string &name) { return event_handlers[name]; }
44 
49  bool dispatch(const NetGameEvent &game_event, Params... params)
50  {
51  auto it = event_handlers.find(game_event.get_name());
52  if (it != event_handlers.end() && (bool)it->second)
53  {
54  it->second(game_event, params...);
55  return true;
56  }
57  else
58  {
59  return false;
60  }
61  }
62 
63  private:
64  std::map<std::string, CallbackClass> event_handlers;
65 
66  };
67 }
Definition: clanapp.h:35
C style comment block.
std::function< void(const NetGameEvent &, Params...) > CallbackClass
Definition: event_dispatcher.h:41
Definition: event_dispatcher.h:38
CallbackClass & func_event(const std::string &name)
Definition: event_dispatcher.h:43
std::string get_name() const
Definition: Network/NetGame/event.h:46
bool dispatch(const NetGameEvent &game_event, Params...params)
Dispatches the event object.
Definition: event_dispatcher.h:49
NetGameEvent.
Definition: Network/NetGame/event.h:39