mirror of
https://github.com/nunuhara/xsystem4.git
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kichikuou
1f0fc09294
Using this, Widenyo plays user-provided BGM files in the SaveData/MusicData directory.
118 lines
2.9 KiB
C
118 lines
2.9 KiB
C
/* Copyright (C) 2022 kichikuou <KichikuouChrome@gmail.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <http://gnu.org/licenses/>.
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*/
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#include <stdlib.h>
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#include "system4/string.h"
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#include "audio.h"
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#include "hll.h"
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#include "xsystem4.h"
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static int channel = -1;
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static bool SoundFilePlayer_Load(struct string *file_name)
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{
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if (channel >= 0)
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bgm_unprepare(channel);
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channel = bgm_get_unused_channel();
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char *path = unix_path(file_name->text);
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if (!bgm_prepare_from_file(channel, path)) {
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WARNING("Cannot load %s", display_utf0(path));
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channel = -1;
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}
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free(path);
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return channel >= 0;
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}
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static void SoundFilePlayer_Release(void)
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{
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if (channel >= 0) {
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bgm_unprepare(channel);
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channel = -1;
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}
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}
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static bool SoundFilePlayer_Play(int play_count)
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{
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if (channel < 0)
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return false;
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bgm_set_loop_count(channel, play_count);
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bgm_play(channel);
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return true;
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}
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static bool SoundFilePlayer_Stop(void)
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{
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if (channel < 0)
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return false;
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bgm_stop(channel);
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return true;
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}
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static bool SoundFilePlayer_IsPlay(void)
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{
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return channel >= 0 && bgm_is_playing(channel);
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}
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static int SoundFilePlayer_GetDuration(void)
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{
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return channel >= 0 ? bgm_get_length(channel) : 0;
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}
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static int SoundFilePlayer_GetPosition(void)
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{
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return channel >= 0 ? bgm_get_pos(channel) : 0;
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}
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static bool SoundFilePlayer_BeginFadeVolume(int volume, int time)
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{
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if (channel < 0)
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return false;
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bgm_fade(channel, time, volume, false);
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return true;
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}
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static bool SoundFilePlayer_StopFadeVolume(void)
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{
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if (channel < 0)
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return false;
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bgm_stop_fade(channel);
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return true;
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}
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static bool SoundFilePlayer_IsFadeVolume(void)
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{
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return channel >= 0 && bgm_is_fading(channel);
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}
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HLL_QUIET_UNIMPLEMENTED(true, bool, SoundFilePlayer, Update, void);
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HLL_LIBRARY(SoundFilePlayer,
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HLL_EXPORT(Load, SoundFilePlayer_Load),
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HLL_EXPORT(Release, SoundFilePlayer_Release),
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HLL_EXPORT(Play, SoundFilePlayer_Play),
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HLL_EXPORT(Stop, SoundFilePlayer_Stop),
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HLL_EXPORT(IsPlay, SoundFilePlayer_IsPlay),
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HLL_EXPORT(GetDuration, SoundFilePlayer_GetDuration),
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HLL_EXPORT(GetPosition, SoundFilePlayer_GetPosition),
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HLL_EXPORT(BeginFadeVolume, SoundFilePlayer_BeginFadeVolume),
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HLL_EXPORT(StopFadeVolume, SoundFilePlayer_StopFadeVolume),
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HLL_EXPORT(IsFadeVolume, SoundFilePlayer_IsFadeVolume),
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HLL_EXPORT(Update, SoundFilePlayer_Update)
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);
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