1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
|
/*
Minetest
Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef EVENT_HEADER
#define EVENT_HEADER
class MtEvent
{
public:
virtual ~MtEvent(){};
//virtual MtEvent* clone(){ return new IEvent; }
virtual const char* getType() const = 0;
MtEvent* checkIs(const std::string &type)
{
if(type == getType())
return this;
return NULL;
}
};
// An event with no parameters and customizable name
class SimpleTriggerEvent: public MtEvent
{
const char *type;
public:
SimpleTriggerEvent(const char *type):
type(type)
{}
const char* getType() const
{return type;}
};
class MtEventReceiver
{
public:
virtual ~MtEventReceiver(){};
virtual void onEvent(MtEvent *e) = 0;
};
typedef void (*event_receive_func)(MtEvent *e, void *data);
class MtEventManager
{
public:
virtual ~MtEventManager(){};
virtual void put(MtEvent *e) = 0;
virtual void reg(const char *type, event_receive_func f, void *data) = 0;
// If data==NULL, every occurence of f is deregistered.
virtual void dereg(const char *type, event_receive_func f, void *data) = 0;
virtual void reg(MtEventReceiver *r, const char *type) = 0;
virtual void dereg(MtEventReceiver *r, const char *type) = 0;
};
#endif
|
