/// <summary>
/// Computes the progress along the curve relative to how much of the <see cref="HitObject"/> has been completed.
/// </summary>
/// <param name="obj">The curve.</param>
/// <param name="progress">[0, 1] where 0 is the start time of the <see cref="HitObject"/> and 1 is the end time of the <see cref="HitObject"/>.</param>
/// <returns>[0, 1] where 0 is the beginning of the curve and 1 is the end of the curve.</returns>
public static double ProgressAt(this IHasPathWithRepeats obj, double progress)
{
double p = progress * obj.SpanCount() % 1;
if (obj.SpanAt(progress) % 2 == 1)
{
p = 1 - p;
}
return(p);
}
/// <summary> /// Determines which span of the curve the progress point is on. /// </summary> /// <param name="obj">The curve.</param> /// <param name="progress">[0, 1] where 0 is the beginning of the curve and 1 is the end of the curve.</param> /// <returns>[0, SpanCount) where 0 is the first run.</returns> public static int SpanAt(this IHasPathWithRepeats obj, double progress) => (int)(progress * obj.SpanCount());
/// <summary> /// Computes the position on the curve relative to how much of the <see cref="HitObject"/> has been completed. /// </summary> /// <param name="obj">The curve.</param> /// <param name="progress">[0, 1] where 0 is the start time of the <see cref="HitObject"/> and 1 is the end time of the <see cref="HitObject"/>.</param> /// <returns>The position on the curve.</returns> public static Vector2 CurvePositionAt(this IHasPathWithRepeats obj, double progress) => obj.Path.PositionAt(obj.ProgressAt(progress));
public static IEnumerable <BosuHitObject> ConvertBuzzSlider(HitObject obj, Vector2 originalPosition, IBeatmap beatmap, IHasPathWithRepeats curve, double spanDuration)
{
List <BosuHitObject> converted = new List <BosuHitObject>();
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, new CancellationToken()))
{
var sliderEventPosition = toPlayfieldSpace(originalPosition) * new Vector2(1, 0.4f);
switch (e.Type)
{
case SliderEventType.Head:
converted.AddRange(generateExplosion(e.Time, bullets_per_slider_reverse, sliderEventPosition));
break;
case SliderEventType.Repeat:
converted.AddRange(generateExplosion(e.Time, bullets_per_slider_reverse, sliderEventPosition, slider_angle_per_span * (e.SpanIndex + 1)));
break;
case SliderEventType.Tail:
converted.AddRange(generateExplosion(e.Time, bullets_per_slider_reverse, sliderEventPosition, slider_angle_per_span * (curve.RepeatCount + 1)));
break;
}
}
return(converted);
}
public static IEnumerable <BosuHitObject> ConvertDefaultSlider(HitObject obj, Vector2 originalPosition, IBeatmap beatmap, IHasPathWithRepeats curve, double spanDuration)
{
List <BosuHitObject> converted = new List <BosuHitObject>();
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, new CancellationToken()))
{
var curvePosition = curve.CurvePositionAt(e.PathProgress / (curve.RepeatCount + 1)) + originalPosition;
var sliderEventPosition = toPlayfieldSpace(curvePosition) * new Vector2(1, 0.4f);
switch (e.Type)
{
case SliderEventType.Repeat:
converted.AddRange(generateExplosion(e.Time, Math.Clamp((int)curve.Distance / 15, 3, 15), sliderEventPosition, MathExtensions.GetRandomTimedAngleOffset(e.Time)));
break;
case SliderEventType.Tail:
converted.AddRange(generateExplosion(e.Time, Math.Clamp((int)curve.Distance * (curve.RepeatCount + 1) / 15, 5, 20), sliderEventPosition, MathExtensions.GetRandomTimedAngleOffset(e.Time)));
break;
}
}
return(converted);
}
public static IEnumerable <BosuHitObject> GenerateSliderBody(double startTime, IHasPathWithRepeats curve, Vector2 originalPosition)
{
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) + originalPosition;
position = toPlayfieldSpace(position) * new Vector2(1, 0.4f);
yield return(new InstantCherry
{
StartTime = startTime + curve.Duration * progress,
Position = position
});
}
}
