private static List <SliderPartCherry> generateSliderBody(HitObject obj, IHasCurve curve, bool isKiai, int index)
{
var objPosition = (obj as IHasPosition)?.Position ?? Vector2.Zero;
var comboData = obj as IHasCombo;
List <SliderPartCherry> hitObjects = new List <SliderPartCherry>();
var bodyCherriesCount = Math.Min(curve.Distance * (curve.RepeatCount + 1) / 10, max_visuals_per_slider_span * (curve.RepeatCount + 1));
for (int i = 0; i < bodyCherriesCount; i++)
{
var progress = (float)i / bodyCherriesCount;
var position = curve.CurvePositionAt(progress) + objPosition;
position *= new Vector2(1, 0.5f);
if (positionIsValid(position))
{
hitObjects.Add(new SliderPartCherry
{
StartTime = obj.StartTime + curve.Duration * progress,
Position = position,
NewCombo = comboData?.NewCombo ?? false,
ComboOffset = comboData?.ComboOffset ?? 0,
IndexInBeatmap = index,
IsKiai = isKiai,
});
}
}
return(hitObjects);
}
private static List <TouhouHitObject> generateDefaultSlider(HitObject obj, IBeatmap beatmap, IHasCurve curve, double spanDuration, bool isKiai, int index)
{
List <TouhouHitObject> hitObjects = new List <TouhouHitObject>();
var objPosition = (obj as IHasPosition)?.Position ?? Vector2.Zero;
var comboData = obj as IHasCombo;
var difficulty = beatmap.BeatmapInfo.BaseDifficulty;
var controlPointInfo = beatmap.ControlPointInfo;
TimingControlPoint timingPoint = controlPointInfo.TimingPointAt(obj.StartTime);
DifficultyControlPoint difficultyPoint = controlPointInfo.DifficultyPointAt(obj.StartTime);
double scoringDistance = 100 * difficulty.SliderMultiplier * difficultyPoint.SpeedMultiplier;
var velocity = scoringDistance / timingPoint.BeatLength;
var tickDistance = scoringDistance / difficulty.SliderTickRate;
double legacyLastTickOffset = (obj as IHasLegacyLastTickOffset)?.LegacyLastTickOffset ?? 0;
foreach (var e in SliderEventGenerator.Generate(obj.StartTime, spanDuration, velocity, tickDistance, curve.Path.Distance, curve.RepeatCount + 1, legacyLastTickOffset))
{
var sliderEventPosition = (curve.CurvePositionAt(e.PathProgress / (curve.RepeatCount + 1)) + objPosition) * new Vector2(1, 0.5f);
switch (e.Type)
{
case SliderEventType.Head:
hitObjects.Add(new SoundHitObject
{
StartTime = obj.StartTime,
Samples = obj.Samples
});
break;
case SliderEventType.Tick:
if (positionIsValid(sliderEventPosition))
{
hitObjects.Add(new TickCherry
{
Angle = 180,
StartTime = e.Time,
Position = sliderEventPosition,
NewCombo = comboData?.NewCombo ?? false,
ComboOffset = comboData?.ComboOffset ?? 0,
IndexInBeatmap = index,
IsKiai = isKiai
});
}
hitObjects.Add(new SoundHitObject
{
StartTime = e.Time,
Samples = getTickSamples(obj.Samples)
});
break;
case SliderEventType.Repeat:
if (positionIsValid(sliderEventPosition))
{
hitObjects.AddRange(generateTriangularExplosion(
e.Time,
20,
sliderEventPosition,
comboData,
isKiai,
index,
MathExtensions.GetRandomTimedAngleOffset(e.Time)));
}
hitObjects.Add(new SoundHitObject
{
StartTime = e.Time,
Samples = obj.Samples
});
break;
case SliderEventType.Tail:
if (positionIsValid(sliderEventPosition))
{
hitObjects.AddRange(generateExplosion(
e.Time,
Math.Clamp((int)curve.Distance / 15, 5, 20),
sliderEventPosition,
comboData,
isKiai,
index));
}
hitObjects.Add(new SoundHitObject
{
StartTime = curve.EndTime,
Samples = obj.Samples
});
break;
}
}
hitObjects.AddRange(generateSliderBody(obj, curve, isKiai, index));
return(hitObjects);
}