OpenTTD
null_s.h
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1 /* $Id: null_s.h 26108 2013-11-25 14:30:22Z rubidium $ */
2 
3 /*
4  * This file is part of OpenTTD.
5  * OpenTTD 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, version 2.
6  * OpenTTD 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.
7  * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
8  */
9 
12 #ifndef SOUND_NULL_H
13 #define SOUND_NULL_H
14 
15 #include "sound_driver.hpp"
16 
18 class SoundDriver_Null : public SoundDriver {
19 public:
20  /* virtual */ const char *Start(const char * const *param) { return NULL; }
21 
22  /* virtual */ void Stop() { }
23  /* virtual */ const char *GetName() const { return "null"; }
24 };
25 
28 public:
29  FSoundDriver_Null() : DriverFactoryBase(Driver::DT_SOUND, 1, "null", "Null Sound Driver") {}
30  /* virtual */ Driver *CreateInstance() const { return new SoundDriver_Null(); }
31 };
32 
33 #endif /* SOUND_NULL_H */
Base for all sound drivers.
Base for all sound drivers.
Factory for the null sound driver.
Definition: null_s.h:27
Base for all driver factories.
Definition: driver.h:60
A sound driver.
Definition: driver.h:44
Driver * CreateInstance() const
Create an instance of this driver-class.
Definition: null_s.h:30
A driver for communicating with the user.
Definition: driver.h:24
const char * GetName() const
Get the name of this driver.
Definition: null_s.h:23
const char * Start(const char *const *param)
Start this driver.
Definition: null_s.h:20
Implementation of the null sound driver.
Definition: null_s.h:18
void Stop()
Stop this driver.
Definition: null_s.h:22