mirror of https://github.com/OpenTTD/OpenTTD.git
33 lines
1.3 KiB
C++
33 lines
1.3 KiB
C++
/*
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* This file is part of OpenTTD.
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* 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.
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* 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.
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* 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/>.
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*/
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/** @file null_s.h Base for the sound of silence. */
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#ifndef SOUND_NULL_H
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#define SOUND_NULL_H
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#include "sound_driver.hpp"
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/** Implementation of the null sound driver. */
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class SoundDriver_Null : public SoundDriver {
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public:
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std::optional<std::string_view> Start(const StringList &) override { return std::nullopt; }
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void Stop() override { }
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std::string_view GetName() const override { return "null"; }
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bool HasOutput() const override { return false; }
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};
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/** Factory for the null sound driver. */
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class FSoundDriver_Null : public DriverFactoryBase {
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public:
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FSoundDriver_Null() : DriverFactoryBase(Driver::DT_SOUND, 1, "null", "Null Sound Driver") {}
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Driver *CreateInstance() const override { return new SoundDriver_Null(); }
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};
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#endif /* SOUND_NULL_H */
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