private string Copy_Timing(TimingCopierVm arg, BackgroundWorker worker, DoWorkEventArgs _)
{
string[] paths = arg.ExportPath.Split('|');
int mapsDone = 0;
var reader = EditorReaderStuff.GetFullEditorReaderOrNot();
foreach (string exportPath in paths)
{
var editorTo = EditorReaderStuff.GetNewestVersionOrNot(exportPath, reader);
var editorFrom = EditorReaderStuff.GetNewestVersionOrNot(arg.ImportPath, reader);
Beatmap beatmapTo = editorTo.Beatmap;
Beatmap beatmapFrom = editorFrom.Beatmap;
Timing timingTo = beatmapTo.BeatmapTiming;
Timing timingFrom = beatmapFrom.BeatmapTiming;
// Get markers for hitobjects if mode 1 is used
List <Marker> markers = new List <Marker>();
if (arg.ResnapMode == "Number of beats between objects stays the same")
{
markers = GetMarkers(beatmapTo, timingTo);
}
// Rid the beatmap of redlines
// If a greenline exists at the same time as a redline then the redline ceizes to exist
// Else convert the redline to a greenline: Inherited = false & MpB = -100
List <TimingPoint> removeList = new List <TimingPoint>();
foreach (TimingPoint redline in timingTo.GetAllRedlines())
{
TimingPoint greenlineHere = timingTo.GetGreenlineAtTime(redline.Offset);
if (greenlineHere.Offset == redline.Offset)
{
removeList.Add(redline);
}
else
{
redline.Uninherited = false;
redline.MpB = -100;
}
}
foreach (TimingPoint tp in removeList)
{
timingTo.TimingPoints.Remove(tp);
}
// Make new timing points changes
List <TimingPointsChange> timingPointsChanges = new List <TimingPointsChange>();
// Add redlines
List <TimingPoint> redlines = timingFrom.GetAllRedlines();
foreach (TimingPoint tp in redlines)
{
timingPointsChanges.Add(new TimingPointsChange(tp, mpb: true, meter: true, inherited: true, omitFirstBarLine: true));
}
// Apply timing changes
TimingPointsChange.ApplyChanges(timingTo, timingPointsChanges);
if (arg.ResnapMode == "Number of beats between objects stays the same")
{
redlines = timingTo.GetAllRedlines();
List <double> newBookmarks = new List <double>();
double lastTime = redlines.FirstOrDefault().Offset;
foreach (Marker marker in markers)
{
// Get redlines between this and last marker
TimingPoint redline = timingTo.GetRedlineAtTime(lastTime, redlines.FirstOrDefault());
double beatsFromLastTime = marker.BeatsFromLastMarker;
while (true)
{
List <TimingPoint> redlinesBetween = redlines.Where(o => o.Offset <= lastTime + redline.MpB * beatsFromLastTime && o.Offset > lastTime).ToList();
if (redlinesBetween.Count == 0)
{
break;
}
TimingPoint first = redlinesBetween.First();
double diff = first.Offset - lastTime;
beatsFromLastTime -= diff / redline.MpB;
redline = first;
lastTime = first.Offset;
}
// Last time is the time of the last redline in between
double newTime = lastTime + redline.MpB * beatsFromLastTime;
newTime = timingTo.Resnap(newTime, arg.Snap1, arg.Snap2, firstTp: redlines.FirstOrDefault());
marker.Time = newTime;
lastTime = marker.Time;
}
// Add the bookmarks
foreach (Marker marker in markers)
{
// Check whether the marker is a bookmark
if (marker.Object is double)
{
// Don't resnap bookmarks
newBookmarks.Add((double)marker.Object);
}
}
beatmapTo.SetBookmarks(newBookmarks);
}
else if (arg.ResnapMode == "Just resnap")
{
// Resnap hitobjects
foreach (HitObject ho in beatmapTo.HitObjects)
{
ho.ResnapSelf(timingTo, arg.Snap1, arg.Snap2, firstTp: redlines.FirstOrDefault());
ho.ResnapEnd(timingTo, arg.Snap1, arg.Snap2, firstTp: redlines.FirstOrDefault());
}
// Resnap greenlines
foreach (TimingPoint tp in timingTo.GetAllGreenlines())
{
tp.ResnapSelf(timingTo, arg.Snap1, arg.Snap2, firstTP: redlines.FirstOrDefault());
}
}
else
{
// Don't move objects
}
// Save the file
editorTo.SaveFile();
// Update progressbar
if (worker != null && worker.WorkerReportsProgress)
{
worker.ReportProgress(++mapsDone * 100 / paths.Length);
}
}
// Make an accurate message
string message = $"Successfully copied timing to {mapsDone} {(mapsDone == 1 ? "beatmap" : "beatmaps")}!";
return(message);
}