public List <CatchHitObject> GenerateCatchObjects(Beatmap aBeatmap)
{
List <HitObject> mapObjects = aBeatmap.hitObjects;
List <CatchHitObject> objects = new List <CatchHitObject>();
foreach (Slider mapObject in mapObjects.OfType <Slider>())
{
List <CatchHitObject> objectExtras = new List <CatchHitObject>();
string[] objectCode = String.Copy(mapObject.code).Split(',');
// Slider ticks
foreach (double ticktimes in mapObject.sliderTickTimes)
{
objectCode[0] = Math.Round(mapObject.GetPathPosition(ticktimes).X).ToString();
objectCode[2] = ticktimes.ToString();
string line = String.Join(",", objectCode);
CatchHitObject node = new CatchHitObject(String.Copy(line).Split(','), aBeatmap);
objectExtras.Add(node);
}
foreach (double ticktimes in GetEdgeTimes(mapObject))
{
// Slider repeats and tail
objectCode[0] = Math.Round(mapObject.GetPathPosition(ticktimes).X).ToString();
objectCode[2] = ticktimes.ToString();
string line = String.Join(",", objectCode);
CatchHitObject node = new CatchHitObject(String.Copy(line).Split(','), aBeatmap);
objectExtras.Add(node);
}
CatchHitObject sliderObject = new CatchHitObject(mapObject.code.Split(','), aBeatmap);
sliderObject.Extras = objectExtras;
objects.Add(sliderObject);
}
foreach (HitObject mapObject in mapObjects)
{
if (mapObject is Slider)
{
// Skip slider object because we have added it before
continue;
}
CatchHitObject hitObject = new CatchHitObject(mapObject.code.Split(','), aBeatmap);
objects.Add(hitObject);
}
objects.Sort((h1, h2) => h1.time.CompareTo(h2.time));
return(objects);
}
public void initialiseHypers(List <CatchHitObject> mapObjects, Beatmap aBeatmap)
{
List <CatchHitObject> objectWithDroplets = new List <CatchHitObject>();
foreach (var currentObject in mapObjects)
{
// Skip spinner because it's just random bananas and no actual Hit Object
if (currentObject.GetObjectType() == "Spinner")
{
continue;
}
objectWithDroplets.Add(currentObject);
// If object isnt Slider, just skip it
if (currentObject.Extras == null)
{
continue;
}
foreach (var sliderNode in currentObject.Extras)
{
objectWithDroplets.Add(sliderNode);
}
}
objectWithDroplets.Sort((h1, h2) => h1.time.CompareTo(h2.time));
// Taken from Modding Assistant as osu-lazer seems broken
// https://github.com/rorre/decompiled-MA/blob/master/Modding%20assistant/osu/DiffCalc/BeatmapDifficultyCalculatorFruits.cs
double adjustDiff = (aBeatmap.difficultySettings.circleSize - 5.0) / 5.0;
float catcherWidth = (float)(64 * (1.0 - 0.7 * adjustDiff)) / 128f;
float num2 = 305f * catcherWidth * 0.7f;
double halfCatcherWidth = num2 / 2;
int lastDirection = 0;
double lastExcess = halfCatcherWidth;
// https://github.com/ppy/osu/blob/master/osu.Game.Rulesets.Catch/Beatmaps/CatchBeatmapProcessor.cs#L190
// With modifications taken from Modding Assistant
for (int i = 0; i < objectWithDroplets.Count - 1; i++)
{
CatchHitObject currentObject = objectWithDroplets[i];
CatchHitObject nextObject = objectWithDroplets[i + 1];
int thisDirection = nextObject.x > currentObject.x ? 1 : -1;
double timeToNext = nextObject.time - currentObject.time - 1000f / 60f / 4; // 1/4th of a frame of grace time, taken from osu-stable
double distanceToNext = Math.Abs(nextObject.x - currentObject.x) - (lastDirection == thisDirection ? lastExcess : halfCatcherWidth);
float distanceToHyper = (float)(timeToNext - distanceToNext);
if (distanceToHyper < 0)
{
currentObject.HyperDashTarget = nextObject;
lastExcess = halfCatcherWidth;
}
else
{
currentObject.DistanceToHyperDash = distanceToHyper;
double requiredAbsolute = distanceToHyper + distanceToNext + (lastDirection == thisDirection ? lastExcess : halfCatcherWidth);
currentObject.PixelsToHyperDash = requiredAbsolute - Math.Abs(nextObject.x - currentObject.x);
lastExcess = Clamp(distanceToHyper, 0, halfCatcherWidth);
}
lastDirection = thisDirection;
}
}
