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Location: cpp/openttd-patchpack/source/src/music/allegro_m.cpp - annotation
r16291:e11d1bc654e8
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(svn r21009) -Fix: for the compact notation 1.000.000k and 1.000M would be shown depending on the initial (and later rounded) value. Make everything that would round to 1.000.000k be drawn as 1.000M as well.
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/*
* 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 allegro_m.cpp Playing music via allegro. */
#ifdef WITH_ALLEGRO
#include "../stdafx.h"
#include "../debug.h"
#include "allegro_m.h"
#include <allegro.h>
static FMusicDriver_Allegro iFMusicDriver_Allegro;
static MIDI *_midi = NULL;
/**
* There are multiple modules that might be using Allegro and
* Allegro can only be initiated once.
*/
extern int _allegro_instance_count;
const char *MusicDriver_Allegro::Start(const char * const *param)
{
if (_allegro_instance_count == 0 && install_allegro(SYSTEM_AUTODETECT, &errno, NULL)) {
DEBUG(driver, 0, "allegro: install_allegro failed '%s'", allegro_error);
return "Failed to set up Allegro";
}
_allegro_instance_count++;
/* Initialise the sound */
if (install_sound(DIGI_AUTODETECT, MIDI_AUTODETECT, NULL) != 0) {
DEBUG(driver, 0, "allegro: install_sound failed '%s'", allegro_error);
return "Failed to set up Allegro sound";
}
/* Okay, there's no soundcard */
if (midi_card == MIDI_NONE) {
DEBUG(driver, 0, "allegro: no midi card found");
return "No sound card found";
}
return NULL;
}
void MusicDriver_Allegro::Stop()
{
if (_midi != NULL) destroy_midi(_midi);
_midi = NULL;
if (--_allegro_instance_count == 0) allegro_exit();
}
void MusicDriver_Allegro::PlaySong(const char *filename)
{
if (_midi != NULL) destroy_midi(_midi);
_midi = load_midi(filename);
play_midi(_midi, false);
}
void MusicDriver_Allegro::StopSong()
{
stop_midi();
}
bool MusicDriver_Allegro::IsSongPlaying()
{
return midi_pos >= 0;
}
void MusicDriver_Allegro::SetVolume(byte vol)
{
set_volume(-1, vol);
}
#endif /* WITH_ALLEGRO */
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