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Fix corner case when shuffling.

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This commit is contained in:
Huo Yaoyuan 2016-11-07 23:06:14 +08:00
parent 02b903f1ea
commit fd977cacb3
1 changed files with 16 additions and 8 deletions
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24
osu.Game/Overlays/MusicController.cs
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@ -243,17 +243,25 @@ namespace osu.Game.Overlays
play(playHistory[++playHistoryIndex], true); play(playHistory[++playHistoryIndex], true);
else else
{ {
if (playList.Count == 0) return;
if (current != null && playList.Count == 1) return;
//shuffle //shuffle
int j = RNG.Next(playListIndex, playList.Count); BeatmapInfo nextToPlay;
if (j != playListIndex) do
{ {
BeatmapSetInfo temp = playList[playListIndex]; int j = RNG.Next(playListIndex, playList.Count);
playList[playListIndex] = playList[j]; if (j != playListIndex)
playList[j] = temp; {
} BeatmapSetInfo temp = playList[playListIndex];
playList[playListIndex] = playList[j];
playList[j] = temp;
}
nextToPlay = playList[playListIndex++].Beatmaps[0];
if (playListIndex == playList.Count) playListIndex = 0;
}
while (current?.BeatmapInfo.AudioEquals(nextToPlay) == true);
BeatmapInfo nextToPlay = playList[playListIndex++].Beatmaps[0];
if (playListIndex == playList.Count) playListIndex = 0;
play(nextToPlay, true); play(nextToPlay, true);
appendToHistory(nextToPlay); appendToHistory(nextToPlay);
} }