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Code Issues Releases Wiki Activity

Apply beatmap offsets to legacy replay frame handling

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This commit is contained in:
Dean Herbert 2022-03-24 15:49:13 +09:00
parent 3b97de04b7
commit a7d5f2281c
2 changed files with 12 additions and 2 deletions
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8
osu.Game/Scoring/Legacy/LegacyScoreDecoder.cs
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@ -23,6 +23,8 @@ namespace osu.Game.Scoring.Legacy
private IBeatmap currentBeatmap;
private Ruleset currentRuleset;
private float beatmapOffset;
public Score Parse(Stream stream)
{
var score = new Score
@ -72,6 +74,10 @@ namespace osu.Game.Scoring.Legacy
currentBeatmap = workingBeatmap.GetPlayableBeatmap(currentRuleset.RulesetInfo, scoreInfo.Mods);
scoreInfo.BeatmapInfo = currentBeatmap.BeatmapInfo;
// BeatmapVersion 4 and lower had an incorrect offset (stable has this set as 24ms off)
// As this is baked into hitobject timing (see `LegacyBeatmapDecoder`) we also need to apply this to replay frame timing.
beatmapOffset = currentBeatmap.BeatmapInfo.BeatmapVersion < 5 ? 24 : 0;
/* score.HpGraphString = */
sr.ReadString();
@ -229,7 +235,7 @@ namespace osu.Game.Scoring.Legacy
private void readLegacyReplay(Replay replay, StreamReader reader)
{
float lastTime = 0;
float lastTime = beatmapOffset;
ReplayFrame currentFrame = null;
string[] frames = reader.ReadToEnd().Split(',');

6
osu.Game/Scoring/Legacy/LegacyScoreEncoder.cs
View File

@ -111,6 +111,10 @@ namespace osu.Game.Scoring.Legacy
{
StringBuilder replayData = new StringBuilder();
// BeatmapVersion 4 and lower had an incorrect offset (stable has this set as 24ms off)
// As this is baked into hitobject timing (see `LegacyBeatmapDecoder`) we also need to apply this to replay frame timing.
double offset = beatmap?.BeatmapInfo.BeatmapVersion < 5 ? -24 : 0;
if (score.Replay != null)
{
int lastTime = 0;
@ -120,7 +124,7 @@ namespace osu.Game.Scoring.Legacy
var legacyFrame = getLegacyFrame(f);
// Rounding because stable could only parse integral values
int time = (int)Math.Round(legacyFrame.Time);
int time = (int)Math.Round(legacyFrame.Time + offset);
replayData.Append(FormattableString.Invariant($"{time - lastTime}|{legacyFrame.MouseX ?? 0}|{legacyFrame.MouseY ?? 0}|{(int)legacyFrame.ButtonState},"));
lastTime = time;
}