private void handleControlPoints(TextWriter writer)
{
if (beatmap.ControlPointInfo.Groups.Count == 0)
{
return;
}
writer.WriteLine("[TimingPoints]");
foreach (var group in beatmap.ControlPointInfo.Groups)
{
var groupTimingPoint = group.ControlPoints.OfType <TimingControlPoint>().FirstOrDefault();
// If the group contains a timing control point, it needs to be output separately.
if (groupTimingPoint != null)
{
writer.Write(FormattableString.Invariant($"{groupTimingPoint.Time},"));
writer.Write(FormattableString.Invariant($"{groupTimingPoint.BeatLength},"));
outputControlPointEffectsAt(groupTimingPoint.Time, true);
}
// Output any remaining effects as secondary non-timing control point.
var difficultyPoint = beatmap.ControlPointInfo.DifficultyPointAt(group.Time);
writer.Write(FormattableString.Invariant($"{group.Time},"));
writer.Write(FormattableString.Invariant($"{-100 / difficultyPoint.SpeedMultiplier},"));
outputControlPointEffectsAt(group.Time, false);
}
void outputControlPointEffectsAt(double time, bool isTimingPoint)
{
var samplePoint = beatmap.ControlPointInfo.SamplePointAt(time);
var effectPoint = beatmap.ControlPointInfo.EffectPointAt(time);
// Apply the control point to a hit sample to uncover legacy properties (e.g. suffix)
HitSampleInfo tempHitSample = samplePoint.ApplyTo(new ConvertHitObjectParser.LegacyHitSampleInfo(string.Empty));
// Convert effect flags to the legacy format
LegacyEffectFlags effectFlags = LegacyEffectFlags.None;
if (effectPoint.KiaiMode)
{
effectFlags |= LegacyEffectFlags.Kiai;
}
if (effectPoint.OmitFirstBarLine)
{
effectFlags |= LegacyEffectFlags.OmitFirstBarLine;
}
writer.Write(FormattableString.Invariant($"{(int)beatmap.ControlPointInfo.TimingPointAt(time).TimeSignature},"));
writer.Write(FormattableString.Invariant($"{(int)toLegacySampleBank(tempHitSample.Bank)},"));
writer.Write(FormattableString.Invariant($"{toLegacyCustomSampleBank(tempHitSample)},"));
writer.Write(FormattableString.Invariant($"{tempHitSample.Volume},"));
writer.Write(FormattableString.Invariant($"{(isTimingPoint ? '1' : '0')},"));
writer.Write(FormattableString.Invariant($"{(int)effectFlags}"));
writer.WriteLine();
}
}
private void handleTimingPoints(TextWriter writer)
{
if (beatmap.ControlPointInfo.Groups.Count == 0)
{
return;
}
writer.WriteLine("[TimingPoints]");
foreach (var group in beatmap.ControlPointInfo.Groups)
{
var timingPoint = group.ControlPoints.OfType <TimingControlPoint>().FirstOrDefault();
var difficultyPoint = beatmap.ControlPointInfo.DifficultyPointAt(group.Time);
var samplePoint = beatmap.ControlPointInfo.SamplePointAt(group.Time);
var effectPoint = beatmap.ControlPointInfo.EffectPointAt(group.Time);
// Convert beat length the legacy format
double beatLength;
if (timingPoint != null)
{
beatLength = timingPoint.BeatLength;
}
else
{
beatLength = -100 / difficultyPoint.SpeedMultiplier;
}
// Apply the control point to a hit sample to uncover legacy properties (e.g. suffix)
HitSampleInfo tempHitSample = samplePoint.ApplyTo(new HitSampleInfo());
// Convert effect flags to the legacy format
LegacyEffectFlags effectFlags = LegacyEffectFlags.None;
if (effectPoint.KiaiMode)
{
effectFlags |= LegacyEffectFlags.Kiai;
}
if (effectPoint.OmitFirstBarLine)
{
effectFlags |= LegacyEffectFlags.OmitFirstBarLine;
}
writer.Write(FormattableString.Invariant($"{group.Time},"));
writer.Write(FormattableString.Invariant($"{beatLength},"));
writer.Write(FormattableString.Invariant($"{(int)beatmap.ControlPointInfo.TimingPointAt(group.Time).TimeSignature},"));
writer.Write(FormattableString.Invariant($"{(int)toLegacySampleBank(tempHitSample.Bank)},"));
writer.Write(FormattableString.Invariant($"{toLegacyCustomSampleBank(tempHitSample.Suffix)},"));
writer.Write(FormattableString.Invariant($"{tempHitSample.Volume},"));
writer.Write(FormattableString.Invariant($"{(timingPoint != null ? '1' : '0')},"));
writer.Write(FormattableString.Invariant($"{(int)effectFlags}"));
writer.WriteLine();
}
}
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 handleControlPoints(TextWriter writer)
{
if (beatmap.ControlPointInfo.Groups.Count == 0)
{
return;
}
var legacyControlPoints = new LegacyControlPointInfo();
foreach (var point in beatmap.ControlPointInfo.AllControlPoints)
{
legacyControlPoints.Add(point.Time, point.DeepClone());
}
writer.WriteLine("[TimingPoints]");
SampleControlPoint lastRelevantSamplePoint = null;
DifficultyControlPoint lastRelevantDifficultyPoint = null;
bool isOsuRuleset = beatmap.BeatmapInfo.RulesetID == 0;
// iterate over hitobjects and pull out all required sample and difficulty changes
extractDifficultyControlPoints(beatmap.HitObjects);
extractSampleControlPoints(beatmap.HitObjects);
// handle scroll speed, which is stored as "slider velocity" in legacy formats.
// this is relevant for scrolling ruleset beatmaps.
if (!isOsuRuleset)
{
foreach (var point in legacyControlPoints.EffectPoints)
{
legacyControlPoints.Add(point.Time, new DifficultyControlPoint {
SliderVelocity = point.ScrollSpeed
});
}
}
foreach (var group in legacyControlPoints.Groups)
{
var groupTimingPoint = group.ControlPoints.OfType <TimingControlPoint>().FirstOrDefault();
// If the group contains a timing control point, it needs to be output separately.
if (groupTimingPoint != null)
{
writer.Write(FormattableString.Invariant($"{groupTimingPoint.Time},"));
writer.Write(FormattableString.Invariant($"{groupTimingPoint.BeatLength},"));
outputControlPointAt(groupTimingPoint.Time, true);
}
// Output any remaining effects as secondary non-timing control point.
var difficultyPoint = legacyControlPoints.DifficultyPointAt(group.Time);
writer.Write(FormattableString.Invariant($"{group.Time},"));
writer.Write(FormattableString.Invariant($"{-100 / difficultyPoint.SliderVelocity},"));
outputControlPointAt(group.Time, false);
}
void outputControlPointAt(double time, bool isTimingPoint)
{
var samplePoint = legacyControlPoints.SamplePointAt(time);
var effectPoint = legacyControlPoints.EffectPointAt(time);
// Apply the control point to a hit sample to uncover legacy properties (e.g. suffix)
HitSampleInfo tempHitSample = samplePoint.ApplyTo(new ConvertHitObjectParser.LegacyHitSampleInfo(string.Empty));
// Convert effect flags to the legacy format
LegacyEffectFlags effectFlags = LegacyEffectFlags.None;
if (effectPoint.KiaiMode)
{
effectFlags |= LegacyEffectFlags.Kiai;
}
if (effectPoint.OmitFirstBarLine)
{
effectFlags |= LegacyEffectFlags.OmitFirstBarLine;
}
writer.Write(FormattableString.Invariant($"{(int)legacyControlPoints.TimingPointAt(time).TimeSignature},"));
writer.Write(FormattableString.Invariant($"{(int)toLegacySampleBank(tempHitSample.Bank)},"));
writer.Write(FormattableString.Invariant($"{toLegacyCustomSampleBank(tempHitSample)},"));
writer.Write(FormattableString.Invariant($"{tempHitSample.Volume},"));
writer.Write(FormattableString.Invariant($"{(isTimingPoint ? '1' : '0')},"));
writer.Write(FormattableString.Invariant($"{(int)effectFlags}"));
writer.WriteLine();
}
IEnumerable <DifficultyControlPoint> collectDifficultyControlPoints(IEnumerable <HitObject> hitObjects)
{
if (!isOsuRuleset)
{
yield break;
}
foreach (var hitObject in hitObjects)
{
yield return(hitObject.DifficultyControlPoint);
foreach (var nested in collectDifficultyControlPoints(hitObject.NestedHitObjects))
{
yield return(nested);
}
}
}
void extractDifficultyControlPoints(IEnumerable <HitObject> hitObjects)
{
foreach (var hDifficultyPoint in collectDifficultyControlPoints(hitObjects).OrderBy(dp => dp.Time))
{
if (!hDifficultyPoint.IsRedundant(lastRelevantDifficultyPoint))
{
legacyControlPoints.Add(hDifficultyPoint.Time, hDifficultyPoint);
lastRelevantDifficultyPoint = hDifficultyPoint;
}
}
}
IEnumerable <SampleControlPoint> collectSampleControlPoints(IEnumerable <HitObject> hitObjects)
{
foreach (var hitObject in hitObjects)
{
yield return(hitObject.SampleControlPoint);
foreach (var nested in collectSampleControlPoints(hitObject.NestedHitObjects))
{
yield return(nested);
}
}
}
void extractSampleControlPoints(IEnumerable <HitObject> hitObject)
{
foreach (var hSamplePoint in collectSampleControlPoints(hitObject).OrderBy(sp => sp.Time))
{
if (!hSamplePoint.IsRedundant(lastRelevantSamplePoint))
{
legacyControlPoints.Add(hSamplePoint.Time, hSamplePoint);
lastRelevantSamplePoint = hSamplePoint;
}
}
}
}
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 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);
}
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();
}
}
