event_dispatcher.h
1 /*
2 ** ClanLib SDK
3 ** Copyright (c) 1997-2015 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
38 template<class... Params>
39 class NetGameEventDispatcher
40 {
41 public:
42 typedef std::function< void (const NetGameEvent &, Params... ) > CallbackClass;
43
44 CallbackClass &func_event(const std::string &name) { return event_handlers[name]; }
45
50 bool dispatch(const NetGameEvent &game_event, Params... params)
51 {
52 auto it = event_handlers.find(game_event.get_name());
53 if (it != event_handlers.end() && (bool)it->second)
54 {
55 it->second(game_event, params...);
56 return true;
57 }
58 else
59 {
60 return false;
61 }
62 }
63
64 private:
65 std::map<std::string, CallbackClass> event_handlers;
66
67 };
68
69 }
70
clan
Definition: clanapp.h:35
clan::StyleTokenType::function
C style comment block.
clan::NetGameEventDispatcher::CallbackClass
std::function< void(const NetGameEvent &, Params...) > CallbackClass
Definition: event_dispatcher.h:42
clan::NetGameEventDispatcher
Definition: event_dispatcher.h:39
clan::NetGameEventDispatcher::func_event
CallbackClass & func_event(const std::string &name)
Definition: event_dispatcher.h:44
clan::StyleTokenType::string
@ keyword
clan::NetGameEvent::get_name
std::string get_name() const
Definition: Network/NetGame/event.h:47
clan::NetGameEventDispatcher::dispatch
bool dispatch(const NetGameEvent &game_event, Params...params)
Dispatches the event object.
Definition: event_dispatcher.h:50
clan::NetGameEvent
NetGameEvent.
Definition: Network/NetGame/event.h:40