//BeatmapManager and slider
public void BeatmapManager()
{
//this class supplies functions for the hitobjects, difficulty ...
//the constructor will automatically calculate combocolors, combonumbers and difficulties (such as approachrate ms and timing300)
var beatmapManager = new BeatmapManager(beatmap);
var timing300 = beatmapManager.HitWindow300;
var approachratems = beatmapManager.PreEmpt;
beatmapManager.SetMods(Mods.HardRock | Mods.Hidden); //enables the mods hardrock and hidden
beatmapManager.DifficultyCalculations(); //recalculate the difficulties
var timing300Hr = beatmapManager.HitWindow300; //this will now be different than the previous timing300
beatmapManager.SliderCalculations();
//this will create curves for the sliders. As this is an intensive task, it's async -> wait
//this will get the selected map's hitobjects (better to work this way, no need for a reference to the beatmap)
var hitobjects = beatmapManager.GetHitObjects();
//some LINQ to select the first slider in the list
var firstslider = (Slider)hitobjects.First(ho => ho.IsHitObjectType(HitObjectType.Slider));
var positionAt20Ms = firstslider.PositionAtTime(firstslider.StartTime + 20);
}
public void SetManager(BeatmapManager manager)
{
_modSpeed = manager.ModSpeedMultiplier;
TpHitObjects = manager.GetHitObjects().Select(ho => new TpHitObject(ho, manager.HitObjectRadius));//.ToList();
}
public static string Convert(string filename, List <string> lines, double bpm)
{
_r = null;
int noteId = 1;
var msPerBeat = 60000 / bpm;
var sb = new StringBuilder();
var bm = new Beatmap(filename);
bm.Bpm = bpm;
bm.ReadFile();
var bmm = new BeatmapManager(bm);
bmm.SliderCalculations();
var lastType = 0;
var lastTime = 0;
var lastPos = -1;
var inHitObjects = false;
foreach (var line in lines)
{
if (!inHitObjects)
{
if (line == "[HitObjects]")
{
inHitObjects = true;
}
continue;
}
var arr = line.Split('|');
var basicarr = arr[0].Split(',');
// seed random with bm-specific values
if (_r == null)
{
// seed = x ^ y ^ time
_r = new Random(
Int32.Parse(basicarr[0]) ^
Int32.Parse(basicarr[1]) ^
Int32.Parse(basicarr[2]));
}
var hitobjs = bmm.GetHitObjects();
var type = Int32.Parse(basicarr[3]);
var bmTime = Int32.Parse(basicarr[2]);
var time = Helpers.TimeToBeats(bmTime, bpm);
if ((type & 2) > 0)
{
var slider = hitobjs.FirstOrDefault(o => o.StartTime == bmTime) as Slider;
ParseSlider(slider, arr, basicarr, sb, bpm, ref noteId);
lastType = 1;
}
else if ((type & 8) > 0)
{
// spinner
var end = Helpers.TimeToBeats(Int32.Parse(basicarr[5]), bpm);
sb.AppendLine($"{noteId},1,2,2,0,{time.Item1},{time.Item2},0,{end.Item1},{end.Item2},0");
++noteId;
_lastSliderEnd = -1;
lastType = 2;
}
else
{
// note
// TODO: handle in groups
var startPos = Int32.Parse(basicarr[0]) / 103;
var endPos = Int32.Parse(basicarr[1]) / 77;
var actualEndPos = endPos;
if (lastType == 3 && (bmTime - lastTime) < msPerBeat / 3)
{
if (lastPos == endPos)
{
if (_currGroupOtherPos < 0 || _currGroupOtherPos == endPos)
{
_currGroupOtherPos = _r.Next(0, 4);
if (_currGroupOtherPos >= endPos)
{
++_currGroupOtherPos;
}
}
actualEndPos = _currGroupOtherPos;
}
}
else
{
_currGroupOtherPos = -1;
}
sb.AppendLine($"{noteId},0,{startPos},{actualEndPos},0,{time.Item1},{time.Item2},0");
++noteId;
lastPos = actualEndPos;
_lastSliderEnd = -1;
lastType = 3;
}
lastTime = bmTime;
}
return(sb.ToString());
}
