blob: 062e7704d51b725b33bb416c37a5d4f0d40df99d (
plain)
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
|
/*
* This file is part of OpenTTD.
* 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.
* 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.
* 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/>.
*/
/** @file sound_driver.hpp Base for all sound drivers. */
#ifndef SOUND_SOUND_DRIVER_HPP
#define SOUND_SOUND_DRIVER_HPP
#include "../driver.h"
/** Base for all sound drivers. */
class SoundDriver : public Driver {
public:
/** Called once every tick */
virtual void MainLoop() {}
/**
* Whether the driver has an output from which the user can hear sound.
* Or in other words, whether we should warn the user if no soundset is
* loaded and that loading one would fix the sound problems.
* @return True for all drivers except null.
*/
virtual bool HasOutput() const
{
return true;
}
/**
* Get the currently active instance of the sound driver.
*/
static SoundDriver *GetInstance() {
return static_cast<SoundDriver*>(*DriverFactoryBase::GetActiveDriver(Driver::DT_SOUND));
}
};
extern std::string _ini_sounddriver;
#endif /* SOUND_SOUND_DRIVER_HPP */
|
