public void ImportColourHaxFromBeatmap(string importPath)
{
try {
var editor = new BeatmapEditor(importPath);
var beatmap = editor.Beatmap;
// Add default colours if there are no colours
if (beatmap.ComboColours.Count == 0)
{
beatmap.ComboColours.AddRange(ComboColour.GetDefaultComboColours());
}
ComboColours.Clear();
for (int i = 0; i < beatmap.ComboColours.Count; i++)
{
ComboColours.Add(new SpecialColour(beatmap.ComboColours[i].Color, $"Combo{i + 1}"));
}
// Remove all colour points since those are getting replaced
ColourPoints.Clear();
// Get all the hit objects which can colorhax. AKA new combos and not spinners
var colorHaxObjects = beatmap.HitObjects.Where(o => o.ActualNewCombo && !o.IsSpinner).ToArray();
// Get the array with all the lengths of sequences that are going to be checked
var sequenceLengthChecks = Enumerable.Range(1, ComboColours.Count * 2 + 2).ToArray();
int sequenceStartIndex = 0;
int[] lastNormalSequence = null;
bool lastBurst = false;
while (sequenceStartIndex < colorHaxObjects.Length)
{
var firstComboHitObject = colorHaxObjects[sequenceStartIndex];
var bestSequence = GetBestSequenceAtIndex(
sequenceStartIndex,
3,
colorHaxObjects,
beatmap,
sequenceLengthChecks,
lastBurst,
lastNormalSequence
)?.Item1;
if (bestSequence == null)
{
lastBurst = false;
sequenceStartIndex += 1;
continue;
}
var bestContribution = GetSequenceContribution(colorHaxObjects, sequenceStartIndex, bestSequence);
// Get the colours for every colour index. Using modulo to make sure the index is always in range.
var colourSequence = bestSequence.Select(o => ComboColours[MathHelper.Mod(o, ComboColours.Count)]);
// Add a new colour point
var mode = bestContribution == 1 &&
GetComboLength(beatmap.HitObjects, firstComboHitObject) <= MaxBurstLength
? ColourPointMode.Burst
: ColourPointMode.Normal;
// To optimize on colour points, we dont add a new colour point if the previous point was a burst and
// the sequence before the burst is equivalent to this sequence
if (!(lastBurst && lastNormalSequence != null && IsSubSequence(bestSequence, lastNormalSequence) &&
(bestSequence.Length == lastNormalSequence.Length || bestContribution <= bestSequence.Length)))
{
ColourPoints.Add(GenerateNewColourPoint(firstComboHitObject.Time, colourSequence, mode));
}
lastBurst = mode == ColourPointMode.Burst;
sequenceStartIndex += bestContribution;
lastNormalSequence = mode == ColourPointMode.Burst ? lastNormalSequence : bestSequence;
}
}
catch (Exception ex) {
MessageBox.Show($"{ex.Message}{Environment.NewLine}{ex.StackTrace}", "Error");
}
}
