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MP Jingle: Add fade timing hack after ending a non-looping song

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This commit is contained in:
mazmazz 2018-09-20 18:30:21 -04:00
parent 9bfd8c4a4b
commit fa5532b386
1 changed files with 23 additions and 2 deletions
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25
src/sdl/mixer_sound.c
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@ -84,6 +84,7 @@ static UINT32 fading_timer;
static UINT32 fading_duration; static UINT32 fading_duration;
static INT32 fading_id; static INT32 fading_id;
static void (*fading_callback)(void); static void (*fading_callback)(void);
static boolean fading_nocleanup;
#ifdef HAVE_LIBGME #ifdef HAVE_LIBGME
static Music_Emu *gme; static Music_Emu *gme;
@ -99,7 +100,12 @@ static void var_cleanup(void)
songpaused = is_looping =\ songpaused = is_looping =\
is_fading = false; is_fading = false;
fading_callback = NULL; // HACK: See music_loop, where we want the fade timing to proceed after a non-looping
// song has stopped playing
if (!fading_nocleanup)
fading_callback = NULL;
else
fading_nocleanup = false; // use it once, set it back immediately
internal_volume = 100; internal_volume = 100;
} }
@ -125,6 +131,8 @@ void I_StartupSound(void)
return; return;
} }
fading_nocleanup = false;
var_cleanup(); var_cleanup();
music = NULL; music = NULL;
@ -537,7 +545,15 @@ static void music_loop(void)
music_bytes = loop_point*44100.0L*4; //assume 44.1khz, 4-byte length (see I_GetSongPosition) music_bytes = loop_point*44100.0L*4; //assume 44.1khz, 4-byte length (see I_GetSongPosition)
} }
else else
{
// HACK: Let fade timing proceed beyond the end of a
// non-looping song. This is a specific case where the timing
// should persist after stopping a song, so I don't believe
// this should apply every time the user stops a song.
// This is auto-unset in var_cleanup, called by I_StopSong
fading_nocleanup = true;
I_StopSong(); I_StopSong();
}
} }
static UINT32 music_fade(UINT32 interval, void *param) static UINT32 music_fade(UINT32 interval, void *param)
@ -1151,7 +1167,10 @@ boolean I_PlaySong(boolean looping)
void I_StopSong(void) void I_StopSong(void)
{ {
I_StopFadingSong(); // HACK: See music_loop on why we want fade timing to proceed
// after end of song
if (!fading_nocleanup)
I_StopFadingSong();
#ifdef HAVE_LIBGME #ifdef HAVE_LIBGME
if (gme) if (gme)
@ -1269,6 +1288,8 @@ void I_StopFadingSong(void)
SDL_RemoveTimer(fading_id); SDL_RemoveTimer(fading_id);
is_fading = false; is_fading = false;
fading_source = fading_target = fading_timer = fading_duration = fading_id = 0; fading_source = fading_target = fading_timer = fading_duration = fading_id = 0;
// don't unset fading_nocleanup here just yet; fading_callback is cleaned up
// in var_cleanup()
} }
boolean I_FadeSongFromVolume(UINT8 target_volume, UINT8 source_volume, UINT32 ms, void (*callback)(void)) boolean I_FadeSongFromVolume(UINT8 target_volume, UINT8 source_volume, UINT32 ms, void (*callback)(void))