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48 lines
1.4 KiB
C++
48 lines
1.4 KiB
C++
/* $Id$ */
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/*
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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 music_driver.hpp Base for all music playback. */
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#ifndef MUSIC_MUSIC_DRIVER_HPP
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#define MUSIC_MUSIC_DRIVER_HPP
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#include "../driver.h"
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/** Driver for all music playback. */
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class MusicDriver : public Driver {
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public:
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/**
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* Play a particular song.
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* @param filename The name of file with the song to play.
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*/
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virtual void PlaySong(const char *filename) = 0;
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/**
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* Stop playing the current song.
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*/
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virtual void StopSong() = 0;
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/**
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* Are we currently playing a song?
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* @return True if a song is being played.
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*/
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virtual bool IsSongPlaying() = 0;
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/**
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* Set the volume, if possible.
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* @param vol The new volume.
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*/
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virtual void SetVolume(byte vol) = 0;
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};
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extern MusicDriver *_music_driver;
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extern char *_ini_musicdriver;
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#endif /* MUSIC_MUSIC_DRIVER_HPP */
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