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Fix glitchy behavior switching soundtracks on silence

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If there was absolutely no music playing, and you went to the in-game
options to switch between MMMMMM and PPPPPP, the behavior would be a bit
glitchy.

If you started with PPPPPP, switching once to MMMMMM wouldn't play
anything, but then switching back to PPPPPP would play MMMMMM track 15.
Then switching back to MMMMMM wouldn't do anything, but then switching
back to PPPPPP again would play PPPPPP track 15 - and from there, the
behavior is stable.

If you started with MMMMMM, switching once to PPPPPP would play MMMMMM
track 15. Then switching back to MMMMMM wouldn't do anything, but then
switching back to PPPPPP would play PPPPPP track 15 - and as above, the
behavior is stable after that.

Anyways, the point is, -1 shouldn't be passed to musicclass::play()
unless you want glitchy things. And I'm not patching -1 out of
musicclass::play() itself, because passing negative numbers results in a
useful glitch (that's existed since 2.2) where you can play MMMMMM
tracks while having PPPPPP selected, effectively doubling the amount of
usable music tracks within a custom level; it also seems like the game
does -1 checks elsewhere, so I'm just being consistent with the rest of
the game (although, yes, I am technically single-case patching this).
This commit is contained in:
Misa 2021-03-06 13:46:50 -08:00 committed by Ethan Lee
parent 0f36cdce0d
commit 8169a26f46
1 changed files with 4 additions and 1 deletions
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5
desktop_version/src/Input.cpp
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@ -748,7 +748,10 @@ static void menuactionpress(void)
//**** TOGGLE MMMMMM
music.usingmmmmmm = !music.usingmmmmmm;
music.playef(11);
music.play(music.currentsong);
if (music.currentsong > -1)
{
music.play(music.currentsong);
}
game.savestatsandsettings();
}