internal DifficultyHitObjectOsu(HitObject BaseHitObject, float CircleRadius)
{
this.BaseHitObject = BaseHitObject;
if (BaseHitObject.IsType(HitObjectType.Slider))
{
SliderOsu Slider = (SliderOsu)BaseHitObject;
MaxCombo = 1 + Slider.sliderScoreTimingPoints.Count;
}
else
{
MaxCombo = 1;
}
// We will scale everything by this factor, so we can assume a uniform CircleSize among beatmaps.
float ScalingFactor = (52.0f / CircleRadius);
if (CircleRadius < 30)
{
float smallCircleBonus = Math.Min(30.0f - CircleRadius, 5.0f) / 50.0f;
ScalingFactor *= 1.0f + smallCircleBonus;
}
NormalizedStartPosition = BaseHitObject.Position * ScalingFactor;
// Calculate approximation of lazy movement on the slider
if (BaseHitObject.IsType(HitObjectType.Slider))
{
float SliderFollowCircleRadius = CircleRadius * 3; // Not sure if this is correct, but here we do not need 100% exact values. This comes pretty darn close in my tests.
int SegmentLength = Math.Min(BaseHitObject.Length / BaseHitObject.SegmentCount, 60000); // We don't want infinite loops if someone decides to make a too long slider. (MillhioreF, I am talking about you! https://osu.ppy.sh/b/326585)
int SegmentEndTime = BaseHitObject.StartTime + SegmentLength;
// For simplifying this step we use actual osu! coordinates and simply scale the length, that we obtain by the ScalingFactor later
Vector2 CursorPos = BaseHitObject.Position; //
//Debug.Print("" + (BaseHitObject.StartTime + LAZY_SLIDER_STEP_LENGTH) + " " + SegmentEndTime + " " + BaseHitObject.EndTime + " " + BaseHitObject.SegmentCount);
// Actual computation of the first lazy curve
for (int Time = BaseHitObject.StartTime + LAZY_SLIDER_STEP_LENGTH; Time < SegmentEndTime; Time += LAZY_SLIDER_STEP_LENGTH)
{
Vector2 Difference = BaseHitObject.PositionAtTime(Time) - CursorPos;
float Distance = Difference.Length();
// Did we move away too far?
if (Distance > SliderFollowCircleRadius)
{
// Yep, we need to move the cursor
Difference.Normalize(); // Obtain the direction of difference. We do no longer need the actual difference
Distance -= SliderFollowCircleRadius;
CursorPos += Difference * Distance; // We move the cursor just as far as needed to stay in the follow circle
LazySliderLengthFirst += Distance;
}
}
LazySliderLengthFirst *= ScalingFactor;
// If we have an odd amount of repetitions the current position will be the end of the slider. Note that this will -always- be triggered if
// BaseHitObject.SegmentCount <= 1, because BaseHitObject.SegmentCount can not be smaller than 1. Therefore NormalizedEndPosition will always be initialized
if (BaseHitObject.SegmentCount % 2 == 1)
{
NormalizedEndPosition = CursorPos * ScalingFactor;
}
// If we have more than one segment, then we also need to compute the length ob subsequent lazy curves. They are different from the first one, since the first
// one starts right at the beginning of the slider.
if (BaseHitObject.SegmentCount > 1)
{
// Use the next segment
SegmentEndTime += SegmentLength;
for (int Time = SegmentEndTime - SegmentLength + LAZY_SLIDER_STEP_LENGTH; Time < SegmentEndTime; Time += LAZY_SLIDER_STEP_LENGTH)
{
Vector2 Difference = BaseHitObject.PositionAtTime(Time) - CursorPos;
float Distance = Difference.Length();
// Did we move away too far?
if (Distance > SliderFollowCircleRadius)
{
// Yep, we need to move the cursor
Difference.Normalize(); // Obtain the direction of difference. We do no longer need the actual difference
Distance -= SliderFollowCircleRadius;
CursorPos += Difference * Distance; // We move the cursor just as far as needed to stay in the follow circle
LazySliderLengthSubsequent += Distance;
}
}
LazySliderLengthSubsequent *= ScalingFactor;
// If we have an even amount of repetitions the current position will be the end of the slider
if (BaseHitObject.SegmentCount % 2 == 0)
{
NormalizedEndPosition = CursorPos * ScalingFactor;
}
}
}
// We have a normal HitCircle or a spinner
else
{
NormalizedEndPosition = NormalizedStartPosition;
}
}
