private void handleDifficulty(string line)
{
var pair = SplitKeyVal(line);
var difficulty = beatmap.BeatmapInfo.BaseDifficulty;
switch (pair.Key)
{
case @"HPDrainRate":
difficulty.DrainRate = Parsing.ParseFloat(pair.Value);
break;
case @"CircleSize":
difficulty.CircleSize = Parsing.ParseFloat(pair.Value);
break;
case @"OverallDifficulty":
difficulty.OverallDifficulty = Parsing.ParseFloat(pair.Value);
break;
case @"ApproachRate":
difficulty.ApproachRate = Parsing.ParseFloat(pair.Value);
break;
case @"SliderMultiplier":
difficulty.SliderMultiplier = Parsing.ParseDouble(pair.Value);
break;
case @"SliderTickRate":
difficulty.SliderTickRate = Parsing.ParseDouble(pair.Value);
break;
}
}
private void handleEvent(string line)
{
string[] split = line.Split(',');
if (!Enum.TryParse(split[0], out LegacyEventType type))
{
throw new InvalidDataException($@"Unknown event type: {split[0]}");
}
switch (type)
{
case LegacyEventType.Background:
beatmap.BeatmapInfo.Metadata.BackgroundFile = CleanFilename(split[2]);
break;
case LegacyEventType.Break:
double start = getOffsetTime(Parsing.ParseDouble(split[1]));
double end = Math.Max(start, getOffsetTime(Parsing.ParseDouble(split[2])));
var breakEvent = new BreakPeriod(start, end);
if (!breakEvent.HasEffect)
{
return;
}
beatmap.Breaks.Add(breakEvent);
break;
}
}
private void handleEditor(string line)
{
var pair = SplitKeyVal(line);
switch (pair.Key)
{
case @"Bookmarks":
beatmap.BeatmapInfo.Bookmarks = pair.Value.Split(',').Select(v =>
{
bool result = int.TryParse(v, out int val);
return(new { result, val });
}).Where(p => p.result).Select(p => p.val).ToArray();
break;
case @"DistanceSpacing":
beatmap.BeatmapInfo.DistanceSpacing = Math.Max(0, Parsing.ParseDouble(pair.Value));
break;
case @"BeatDivisor":
beatmap.BeatmapInfo.BeatDivisor = Parsing.ParseInt(pair.Value);
break;
case @"GridSize":
beatmap.BeatmapInfo.GridSize = Parsing.ParseInt(pair.Value);
break;
case @"TimelineZoom":
beatmap.BeatmapInfo.TimelineZoom = Math.Max(0, Parsing.ParseDouble(pair.Value));
break;
}
}
private void handleEditor(string line)
{
var pair = SplitKeyVal(line);
switch (pair.Key)
{
case @"Bookmarks":
beatmap.BeatmapInfo.StoredBookmarks = pair.Value;
break;
case @"DistanceSpacing":
beatmap.BeatmapInfo.DistanceSpacing = Math.Max(0, Parsing.ParseDouble(pair.Value));
break;
case @"BeatDivisor":
beatmap.BeatmapInfo.BeatDivisor = Parsing.ParseInt(pair.Value);
break;
case @"GridSize":
beatmap.BeatmapInfo.GridSize = Parsing.ParseInt(pair.Value);
break;
case @"TimelineZoom":
beatmap.BeatmapInfo.TimelineZoom = Math.Max(0, Parsing.ParseDouble(pair.Value));
break;
}
}
private void handleEvent(string line)
{
string[] split = line.Split(',');
EventType type;
if (!Enum.TryParse(split[0], out type))
{
throw new InvalidDataException($@"Unknown event type: {split[0]}");
}
switch (type)
{
case EventType.Background:
string bgFilename = split[2].Trim('"');
beatmap.BeatmapInfo.Metadata.BackgroundFile = FileSafety.PathStandardise(bgFilename);
break;
case EventType.Video:
string videoFilename = split[2].Trim('"');
beatmap.BeatmapInfo.Metadata.VideoFile = FileSafety.PathStandardise(videoFilename);
break;
case EventType.Break:
double start = getOffsetTime(Parsing.ParseDouble(split[1]));
var breakEvent = new BreakPeriod
{
StartTime = start,
EndTime = Math.Max(start, getOffsetTime(Parsing.ParseDouble(split[2])))
};
if (!breakEvent.HasEffect)
{
return;
}
beatmap.Breaks.Add(breakEvent);
break;
}
}
private void handleTimingPoint(string line)
{
string[] split = line.Split(',');
double time = getOffsetTime(Parsing.ParseDouble(split[0].Trim()));
double beatLength = Parsing.ParseDouble(split[1].Trim());
double speedMultiplier = beatLength < 0 ? 100.0 / -beatLength : 1;
TimeSignatures timeSignature = TimeSignatures.SimpleQuadruple;
if (split.Length >= 3)
{
timeSignature = split[2][0] == '0' ? TimeSignatures.SimpleQuadruple : (TimeSignatures)Parsing.ParseInt(split[2]);
}
LegacySampleBank sampleSet = defaultSampleBank;
if (split.Length >= 4)
{
sampleSet = (LegacySampleBank)Parsing.ParseInt(split[3]);
}
int customSampleBank = 0;
if (split.Length >= 5)
{
customSampleBank = Parsing.ParseInt(split[4]);
}
int sampleVolume = defaultSampleVolume;
if (split.Length >= 6)
{
sampleVolume = Parsing.ParseInt(split[5]);
}
bool timingChange = true;
if (split.Length >= 7)
{
timingChange = split[6][0] == '1';
}
bool kiaiMode = false;
bool omitFirstBarSignature = false;
if (split.Length >= 8)
{
LegacyEffectFlags effectFlags = (LegacyEffectFlags)Parsing.ParseInt(split[7]);
kiaiMode = effectFlags.HasFlag(LegacyEffectFlags.Kiai);
omitFirstBarSignature = effectFlags.HasFlag(LegacyEffectFlags.OmitFirstBarLine);
}
string stringSampleSet = sampleSet.ToString().ToLowerInvariant();
if (stringSampleSet == @"none")
{
stringSampleSet = @"normal";
}
if (timingChange)
{
var controlPoint = CreateTimingControlPoint();
controlPoint.BeatLength = beatLength;
controlPoint.TimeSignature = timeSignature;
addControlPoint(time, controlPoint, true);
}
#pragma warning disable 618
addControlPoint(time, new LegacyDifficultyControlPoint(beatLength)
#pragma warning restore 618
{
SpeedMultiplier = speedMultiplier,
}, timingChange);
addControlPoint(time, new EffectControlPoint
{
KiaiMode = kiaiMode,
OmitFirstBarLine = omitFirstBarSignature,
}, timingChange);
addControlPoint(time, new LegacySampleControlPoint
{
SampleBank = stringSampleSet,
SampleVolume = sampleVolume,
CustomSampleBank = customSampleBank,
}, timingChange);
}
private void handleTimingPoint(string line)
{
string[] split = line.Split(',');
double time = getOffsetTime(Parsing.ParseDouble(split[0].Trim()));
double beatLength = Parsing.ParseDouble(split[1].Trim());
double speedMultiplier = beatLength < 0 ? 100.0 / -beatLength : 1;
TimeSignature timeSignature = TimeSignature.SimpleQuadruple;
if (split.Length >= 3)
{
timeSignature = split[2][0] == '0' ? TimeSignature.SimpleQuadruple : new TimeSignature(Parsing.ParseInt(split[2]));
}
LegacySampleBank sampleSet = defaultSampleBank;
if (split.Length >= 4)
{
sampleSet = (LegacySampleBank)Parsing.ParseInt(split[3]);
}
int customSampleBank = 0;
if (split.Length >= 5)
{
customSampleBank = Parsing.ParseInt(split[4]);
}
int sampleVolume = defaultSampleVolume;
if (split.Length >= 6)
{
sampleVolume = Parsing.ParseInt(split[5]);
}
bool timingChange = true;
if (split.Length >= 7)
{
timingChange = split[6][0] == '1';
}
bool kiaiMode = false;
bool omitFirstBarSignature = false;
if (split.Length >= 8)
{
LegacyEffectFlags effectFlags = (LegacyEffectFlags)Parsing.ParseInt(split[7]);
kiaiMode = effectFlags.HasFlagFast(LegacyEffectFlags.Kiai);
omitFirstBarSignature = effectFlags.HasFlagFast(LegacyEffectFlags.OmitFirstBarLine);
}
string stringSampleSet = sampleSet.ToString().ToLowerInvariant();
if (stringSampleSet == @"none")
{
stringSampleSet = @"normal";
}
if (timingChange)
{
var controlPoint = CreateTimingControlPoint();
controlPoint.BeatLength = beatLength;
controlPoint.TimeSignature = timeSignature;
addControlPoint(time, controlPoint, true);
}
#pragma warning disable 618
addControlPoint(time, new LegacyDifficultyControlPoint(beatLength)
#pragma warning restore 618
{
SliderVelocity = speedMultiplier,
}, timingChange);
var effectPoint = new EffectControlPoint
{
KiaiMode = kiaiMode,
OmitFirstBarLine = omitFirstBarSignature,
};
bool isOsuRuleset = beatmap.BeatmapInfo.Ruleset.OnlineID == 0;
// scrolling rulesets use effect points rather than difficulty points for scroll speed adjustments.
if (!isOsuRuleset)
{
effectPoint.ScrollSpeed = speedMultiplier;
}
addControlPoint(time, effectPoint, timingChange);
addControlPoint(time, new LegacySampleControlPoint
{
SampleBank = stringSampleSet,
SampleVolume = sampleVolume,
CustomSampleBank = customSampleBank,
}, timingChange);
}
private void handleEvents(string line)
{
var depth = 0;
foreach (char c in line)
{
if (c == ' ' || c == '_')
{
depth++;
}
else
{
break;
}
}
line = line.Substring(depth);
decodeVariables(ref line);
string[] split = line.Split(',');
if (depth == 0)
{
storyboardSprite = null;
if (!Enum.TryParse(split[0], out LegacyEventType type))
{
throw new InvalidDataException($@"Unknown event type: {split[0]}");
}
switch (type)
{
case LegacyEventType.Video:
{
var offset = Parsing.ParseInt(split[1]);
var path = CleanFilename(split[2]);
storyboard.GetLayer("Video").Add(new StoryboardVideo(path, offset));
break;
}
case LegacyEventType.Sprite:
{
var layer = parseLayer(split[1]);
var origin = parseOrigin(split[2]);
var path = CleanFilename(split[3]);
var x = Parsing.ParseFloat(split[4], Parsing.MAX_COORDINATE_VALUE);
var y = Parsing.ParseFloat(split[5], Parsing.MAX_COORDINATE_VALUE);
storyboardSprite = new StoryboardSprite(path, origin, new Vector2(x, y));
storyboard.GetLayer(layer).Add(storyboardSprite);
break;
}
case LegacyEventType.Animation:
{
var layer = parseLayer(split[1]);
var origin = parseOrigin(split[2]);
var path = CleanFilename(split[3]);
var x = Parsing.ParseFloat(split[4], Parsing.MAX_COORDINATE_VALUE);
var y = Parsing.ParseFloat(split[5], Parsing.MAX_COORDINATE_VALUE);
var frameCount = Parsing.ParseInt(split[6]);
var frameDelay = Parsing.ParseDouble(split[7]);
if (FormatVersion < 6)
{
// this is random as hell but taken straight from osu-stable.
frameDelay = Math.Round(0.015 * frameDelay) * 1.186 * (1000 / 60f);
}
var loopType = split.Length > 8 ? parseAnimationLoopType(split[8]) : AnimationLoopType.LoopForever;
storyboardSprite = new StoryboardAnimation(path, origin, new Vector2(x, y), frameCount, frameDelay, loopType);
storyboard.GetLayer(layer).Add(storyboardSprite);
break;
}
case LegacyEventType.Sample:
{
var time = Parsing.ParseDouble(split[1]);
var layer = parseLayer(split[2]);
var path = CleanFilename(split[3]);
var volume = split.Length > 4 ? Parsing.ParseFloat(split[4]) : 100;
storyboard.GetLayer(layer).Add(new StoryboardSampleInfo(path, time, (int)volume));
break;
}
}
}
else
{
if (depth < 2)
{
timelineGroup = storyboardSprite?.TimelineGroup;
}
var commandType = split[0];
switch (commandType)
{
case "T":
{
var triggerName = split[1];
var startTime = split.Length > 2 ? Parsing.ParseDouble(split[2]) : double.MinValue;
var endTime = split.Length > 3 ? Parsing.ParseDouble(split[3]) : double.MaxValue;
var groupNumber = split.Length > 4 ? Parsing.ParseInt(split[4]) : 0;
timelineGroup = storyboardSprite?.AddTrigger(triggerName, startTime, endTime, groupNumber);
break;
}
case "L":
{
var startTime = Parsing.ParseDouble(split[1]);
var loopCount = Parsing.ParseInt(split[2]);
timelineGroup = storyboardSprite?.AddLoop(startTime, loopCount);
break;
}
default:
{
if (string.IsNullOrEmpty(split[3]))
{
split[3] = split[2];
}
var easing = (Easing)Parsing.ParseInt(split[1]);
var startTime = Parsing.ParseDouble(split[2]);
var endTime = Parsing.ParseDouble(split[3]);
switch (commandType)
{
case "F":
{
var startValue = Parsing.ParseFloat(split[4]);
var endValue = split.Length > 5 ? Parsing.ParseFloat(split[5]) : startValue;
timelineGroup?.Alpha.Add(easing, startTime, endTime, startValue, endValue);
break;
}
case "S":
{
var startValue = Parsing.ParseFloat(split[4]);
var endValue = split.Length > 5 ? Parsing.ParseFloat(split[5]) : startValue;
timelineGroup?.Scale.Add(easing, startTime, endTime, startValue, endValue);
break;
}
case "V":
{
var startX = Parsing.ParseFloat(split[4]);
var startY = Parsing.ParseFloat(split[5]);
var endX = split.Length > 6 ? Parsing.ParseFloat(split[6]) : startX;
var endY = split.Length > 7 ? Parsing.ParseFloat(split[7]) : startY;
timelineGroup?.VectorScale.Add(easing, startTime, endTime, new Vector2(startX, startY), new Vector2(endX, endY));
break;
}
case "R":
{
var startValue = Parsing.ParseFloat(split[4]);
var endValue = split.Length > 5 ? Parsing.ParseFloat(split[5]) : startValue;
timelineGroup?.Rotation.Add(easing, startTime, endTime, MathUtils.RadiansToDegrees(startValue), MathUtils.RadiansToDegrees(endValue));
break;
}
case "M":
{
var startX = Parsing.ParseFloat(split[4]);
var startY = Parsing.ParseFloat(split[5]);
var endX = split.Length > 6 ? Parsing.ParseFloat(split[6]) : startX;
var endY = split.Length > 7 ? Parsing.ParseFloat(split[7]) : startY;
timelineGroup?.X.Add(easing, startTime, endTime, startX, endX);
timelineGroup?.Y.Add(easing, startTime, endTime, startY, endY);
break;
}
case "MX":
{
var startValue = Parsing.ParseFloat(split[4]);
var endValue = split.Length > 5 ? Parsing.ParseFloat(split[5]) : startValue;
timelineGroup?.X.Add(easing, startTime, endTime, startValue, endValue);
break;
}
case "MY":
{
var startValue = Parsing.ParseFloat(split[4]);
var endValue = split.Length > 5 ? Parsing.ParseFloat(split[5]) : startValue;
timelineGroup?.Y.Add(easing, startTime, endTime, startValue, endValue);
break;
}
case "C":
{
var startRed = Parsing.ParseFloat(split[4]);
var startGreen = Parsing.ParseFloat(split[5]);
var startBlue = Parsing.ParseFloat(split[6]);
var endRed = split.Length > 7 ? Parsing.ParseFloat(split[7]) : startRed;
var endGreen = split.Length > 8 ? Parsing.ParseFloat(split[8]) : startGreen;
var endBlue = split.Length > 9 ? Parsing.ParseFloat(split[9]) : startBlue;
timelineGroup?.Colour.Add(easing, startTime, endTime,
new Color4(startRed / 255f, startGreen / 255f, startBlue / 255f, 1),
new Color4(endRed / 255f, endGreen / 255f, endBlue / 255f, 1));
break;
}
case "P":
{
var type = split[4];
switch (type)
{
case "A":
timelineGroup?.BlendingParameters.Add(easing, startTime, endTime, BlendingParameters.Additive, startTime == endTime ? BlendingParameters.Additive : BlendingParameters.Inherit);
break;
case "H":
timelineGroup?.FlipH.Add(easing, startTime, endTime, true, startTime == endTime);
break;
case "V":
timelineGroup?.FlipV.Add(easing, startTime, endTime, true, startTime == endTime);
break;
}
break;
}
default:
throw new InvalidDataException($@"Unknown command type: {commandType}");
}
break;
}
}
}
}
private void handleTimingPoint(string line)
{
string[] split = line.Split(',');
double time = getOffsetTime(Parsing.ParseDouble(split[0].Trim()));
double beatLength = Parsing.ParseDouble(split[1].Trim());
double speedMultiplier = beatLength < 0 ? 100.0 / -beatLength : 1;
TimeSignatures timeSignature = TimeSignatures.SimpleQuadruple;
if (split.Length >= 3)
{
timeSignature = split[2][0] == '0' ? TimeSignatures.SimpleQuadruple : (TimeSignatures)Parsing.ParseInt(split[2]);
}
LegacySampleBank sampleSet = defaultSampleBank;
if (split.Length >= 4)
{
sampleSet = (LegacySampleBank)Parsing.ParseInt(split[3]);
}
int customSampleBank = 0;
if (split.Length >= 5)
{
customSampleBank = Parsing.ParseInt(split[4]);
}
int sampleVolume = defaultSampleVolume;
if (split.Length >= 6)
{
sampleVolume = Parsing.ParseInt(split[5]);
}
bool timingChange = true;
if (split.Length >= 7)
{
timingChange = split[6][0] == '1';
}
bool kiaiMode = false;
bool omitFirstBarSignature = false;
if (split.Length >= 8)
{
EffectFlags effectFlags = (EffectFlags)Parsing.ParseInt(split[7]);
kiaiMode = effectFlags.HasFlag(EffectFlags.Kiai);
omitFirstBarSignature = effectFlags.HasFlag(EffectFlags.OmitFirstBarLine);
}
string stringSampleSet = sampleSet.ToString().ToLowerInvariant();
if (stringSampleSet == @"none")
{
stringSampleSet = @"normal";
}
if (timingChange)
{
var controlPoint = CreateTimingControlPoint();
controlPoint.BeatLength = beatLength;
controlPoint.TimeSignature = timeSignature;
addControlPoint(time, controlPoint, true);
}
addControlPoint(time, new LegacyDifficultyControlPoint
{
SpeedMultiplier = speedMultiplier,
}, timingChange);
addControlPoint(time, new EffectControlPoint
{
KiaiMode = kiaiMode,
OmitFirstBarLine = omitFirstBarSignature,
}, timingChange);
addControlPoint(time, new LegacySampleControlPoint
{
SampleBank = stringSampleSet,
SampleVolume = sampleVolume,
CustomSampleBank = customSampleBank,
}, timingChange);
// To handle the scenario where a non-timing line shares the same time value as a subsequent timing line but
// appears earlier in the file, we buffer non-timing control points and rewrite them *after* control points from the timing line
// with the same time value (allowing them to overwrite as necessary).
//
// The expected outcome is that we prefer the non-timing line's adjustments over the timing line's adjustments when time is equal.
if (timingChange)
{
flushPendingPoints();
}
}
private void handleTimingPoint(string line)
{
try
{
string[] split = line.Split(',');
double time = getOffsetTime(Parsing.ParseDouble(split[0].Trim()));
double beatLength = Parsing.ParseDouble(split[1].Trim());
double speedMultiplier = beatLength < 0 ? 100.0 / -beatLength : 1;
TimeSignatures timeSignature = TimeSignatures.SimpleQuadruple;
if (split.Length >= 3)
{
timeSignature = split[2][0] == '0' ? TimeSignatures.SimpleQuadruple : (TimeSignatures)Parsing.ParseInt(split[2]);
}
LegacySampleBank sampleSet = defaultSampleBank;
if (split.Length >= 4)
{
sampleSet = (LegacySampleBank)Parsing.ParseInt(split[3]);
}
int customSampleBank = 0;
if (split.Length >= 5)
{
customSampleBank = Parsing.ParseInt(split[4]);
}
int sampleVolume = defaultSampleVolume;
if (split.Length >= 6)
{
sampleVolume = Parsing.ParseInt(split[5]);
}
bool timingChange = true;
if (split.Length >= 7)
{
timingChange = split[6][0] == '1';
}
bool kiaiMode = false;
bool omitFirstBarSignature = false;
if (split.Length >= 8)
{
EffectFlags effectFlags = (EffectFlags)Parsing.ParseInt(split[7]);
kiaiMode = effectFlags.HasFlag(EffectFlags.Kiai);
omitFirstBarSignature = effectFlags.HasFlag(EffectFlags.OmitFirstBarLine);
}
string stringSampleSet = sampleSet.ToString().ToLowerInvariant();
if (stringSampleSet == @"none")
{
stringSampleSet = @"normal";
}
if (timingChange)
{
var controlPoint = CreateTimingControlPoint();
controlPoint.Time = time;
controlPoint.BeatLength = beatLength;
controlPoint.TimeSignature = timeSignature;
handleTimingControlPoint(controlPoint);
}
handleDifficultyControlPoint(new DifficultyControlPoint
{
Time = time,
SpeedMultiplier = speedMultiplier,
AutoGenerated = timingChange
});
handleEffectControlPoint(new EffectControlPoint
{
Time = time,
KiaiMode = kiaiMode,
OmitFirstBarLine = omitFirstBarSignature,
AutoGenerated = timingChange
});
handleSampleControlPoint(new LegacySampleControlPoint
{
Time = time,
SampleBank = stringSampleSet,
SampleVolume = sampleVolume,
CustomSampleBank = customSampleBank,
AutoGenerated = timingChange
});
}
catch (FormatException)
{
Logger.Log("A timing point could not be parsed correctly and will be ignored", LoggingTarget.Runtime, LogLevel.Important);
}
catch (OverflowException)
{
Logger.Log("A timing point could not be parsed correctly and will be ignored", LoggingTarget.Runtime, LogLevel.Important);
}
}