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Add event manager and use it to trigger sounds

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This commit is contained in:
Perttu Ahola 2012-03-23 20:23:03 +02:00
parent e53794868e
commit 6c14025b2d
15 changed files with 388 additions and 14 deletions
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72
src/event.h Normal file
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/*
Minetest-c55
Copyright (C) 2012 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 General Public License as published by
the Free Software Foundation; either version 2 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, 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