OpenTTD
null_s.h
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1 /*
2  * This file is part of OpenTTD.
3  * 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.
4  * 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.
5  * 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/>.
6  */
7 
10 #ifndef SOUND_NULL_H
11 #define SOUND_NULL_H
12 
13 #include "sound_driver.hpp"
14 
16 class SoundDriver_Null : public SoundDriver {
17 public:
18  const char *Start(const char * const *param) override { return nullptr; }
19 
20  void Stop() override { }
21  const char *GetName() const override { return "null"; }
22 };
23 
26 public:
27  FSoundDriver_Null() : DriverFactoryBase(Driver::DT_SOUND, 1, "null", "Null Sound Driver") {}
28  Driver *CreateInstance() const override { return new SoundDriver_Null(); }
29 };
30 
31 #endif /* SOUND_NULL_H */
const char * GetName() const override
Get the name of this driver.
Definition: null_s.h:21
Base for all sound drivers.
Base for all sound drivers.
Factory for the null sound driver.
Definition: null_s.h:25
Driver * CreateInstance() const override
Create an instance of this driver-class.
Definition: null_s.h:28
const char * Start(const char *const *param) override
Start this driver.
Definition: null_s.h:18
Base for all driver factories.
Definition: driver.h:58
A sound driver.
Definition: driver.h:42
A driver for communicating with the user.
Definition: driver.h:22
Implementation of the null sound driver.
Definition: null_s.h:16
void Stop() override
Stop this driver.
Definition: null_s.h:20