private void calculateTime()
{
TimingBMS current = timingList[0].Clone();
for (int i = 0; i < timingList.Count; i++)
{
TimingBMS t = timingList[i];
t.Time = ((t.Section + t.Offset) - (current.Section + current.Offset)) * (60000 * 4 / current.BPM) * current.TimeSignature + current.Time;
current.Time = t.Time;
current.Section = t.Section;
current.Offset = t.Offset;
if (t.BPM != -1)
{
current.BPM = t.BPM;
}
else
{
t.BPM = current.BPM;
}
if (t.TimeSignature != current.TimeSignature)
{
current.TimeSignature = t.TimeSignature;
}
}
}
private double getTime(int section, double offset)
{
TimingBMS t = new TimingBMS();
t.Section = section;
t.Offset = offset;
int index = timingList.BinarySearch(t);
if (index < 0)
{
index = ~index;
}
if (index > timingList.Count)
{
index = timingList.Count;
}
TimingBMS target = timingList[index == 0 ? 0 : index - 1];
return(((t.Section + t.Offset) - (target.Section + target.Offset)) * (60000 * 4 / target.BPM) * target.TimeSignature + target.Time);
}
/// <summary>
///
/// </summary>
/// <param name="line">[00111:00000100]</param>
private bool parseTimingField(string[] arr)
{
int[] key = line2key(arr[0]); // 001 00
List <string> val = line2arr(arr[1]); // 00 01 AW 00
switch (key[1])
{
case 2: //beat change
{
int Section = key[0];
TimingBMS target = timingList.Find(t => t.Section == Section && t.Offset == 0 && t.Changed == false);
if (target == null)
{
TimingBMS t = new TimingBMS();
t.TimeSignature = double.Parse(arr[1], GameBase.nfi);
t.Section = Section;
t.Offset = 0;
t.Changed = false;
timingList.Add(t);
}
else
{
target.TimeSignature = double.Parse(arr[1], GameBase.nfi);
}
//one more timing for next section
TimingBMS nt = new TimingBMS();
// nt.TimeSignature = 1;
nt.Section = Section + 1;
nt.Offset = 0;
nt.Changed = false;
timingList.Add(nt);
}
return(true);
case 3: //hardcode bpm
for (int i = 0; i < val.Count; i++)
{
if (val[i] == "00")
{
continue;
}
TimingBMS t = new TimingBMS();
t.Section = key[0];
t.Offset = 1.0 * i / val.Count;
t.BPM = System.Convert.ToInt32(val[i], 16);
timingList.Add(t);
}
return(true);
case 8: //pre-defined bpm
for (int i = 0; i < val.Count; i++)
{
if (val[i] == "00")
{
continue;
}
double bpm;
if (bpmDict.TryGetValue(val[i], out bpm))
{
TimingBMS t = new TimingBMS();
t.Section = key[0];
t.Offset = 1.0 * i / val.Count;
t.BPM = bpm;
timingList.Add(t);
}
}
return(true);
case 11:
case 12:
case 13:
case 14:
case 15:
case 16:
case 18:
case 19:
{
int col = key[1] == 16 ? 0 : (key[1] < 16 ? key[1] - 10 : key[1] - 12);
if (col >= Math.Round(BeatmapManager.Current.DifficultyCircleSize))
{
BeatmapManager.Current.DifficultyCircleSize = (byte)(col + 1);
}
if (col == 0)
{
BeatmapManager.Current.SpecialStyle = true; // n+1
}
}
return(false);
case 51:
case 52:
case 53:
case 54:
case 55:
case 56:
case 58:
case 59:
{
int col = key[1] == 56 ? 0 : (key[1] < 56 ? key[1] - 50 : key[1] - 52);
if (col >= Math.Round(BeatmapManager.Current.DifficultyCircleSize))
{
BeatmapManager.Current.DifficultyCircleSize = (byte)(col + 1);
}
if (col == 0)
{
BeatmapManager.Current.SpecialStyle = true; // n+1
}
}
return(false);
}
return(false);
}
internal bool ProcessFile(string file, string encode)
{
file = GeneralHelper.PathSanitise(file);
directory = Path.GetDirectoryName(file);
BeatmapManager.Current.DifficultyCircleSize = 1;
try
{
using (FileStream fs = new FileStream(file, FileMode.Open))
{
using (StreamReader sr = new StreamReader(fs, Encoding.GetEncoding(encode)))
{
while (!sr.EndOfStream)
{
string line = sr.ReadLine();
if (line.IndexOf('#') < 0)
{
continue;
}
line = line.Substring(1);
//try split with :
if (line.IndexOf(':') > 0)
{
string[] arr = line.Split(':');
if (arr.Length == 2)
{
arr[0] = arr[0].Trim();
arr[1] = arr[1].Trim();
if (arr[0].Length == 5)
{
if (!parseTimingField(arr))
{
pendingLines.Add(line);
}
continue;
}
}
}
//try split with space
int spaceInx = line.IndexOf(' ');
if (spaceInx > 0)
{
string[] arr = new string[2];
arr[0] = line.Substring(0, spaceInx).Trim().ToUpper();
arr[1] = line.Substring(spaceInx).Trim();
if (arr[0].StartsWith("BPM") && arr[0].Length == 5)
{
string key = arr[0].Substring(3, 2);
bpmDict.Add(key, double.Parse(arr[1], GameBase.nfi));
continue;
}
if (arr[0].StartsWith("WAV") && arr[0].Length == 5)
{
string key = arr[0].Substring(3, 2);
wavDict.Add(key, getFullFilename(arr[1]));
continue;
}
switch (arr[0])
{
case "PLAYER":
if (int.Parse(arr[1]) != 1)
{
MessageBox.Show("Can not convert 2 player style bms file.");
return(false);
}
break;
case "TITLE":
if (OverrideMeta)
{
BeatmapManager.Current.Title = arr[1];
BeatmapManager.Current.TitleUnicode = arr[1];
}
break;
case "ARTIST":
if (OverrideMeta)
{
BeatmapManager.Current.Artist = arr[1];
BeatmapManager.Current.ArtistUnicode = arr[1];
}
break;
case "BPM":
TimingBMS t = new TimingBMS();
t.BPM = double.Parse(arr[1], GameBase.nfi);
timingList.Add(t);
break;
case "STAGEFILE":
if (CopyImage)
{
BeatmapManager.Current.BackgroundImage = arr[1];
copyFile(arr[1]);
}
break;
case "PLAYLEVEL":
if (OverrideMeta)
{
BeatmapManager.Current.Version = "Lv." + arr[1];
}
break;
case "RANK":
//rank = 0~3 / insane~easy
if (OverrideMeta)
{
int rank = int.Parse(arr[1], GameBase.nfi);
BeatmapManager.Current.DifficultyHpDrainRate = (byte)Math.Max(4, Math.Min(9, 9 - rank * 2)); // 4~9
BeatmapManager.Current.DifficultyOverall = BeatmapManager.Current.DifficultyHpDrainRate;
}
break;
case "LNTYPE":
longType = int.Parse(arr[1], GameBase.nfi);
break;
case "LNOBJ":
longObj = arr[1];
break;
}
}
}
}
}
//process timing list
timingList.Sort();
calculateTime();
//not n+1 style, remove 0 column
byte col = (byte)Math.Round(BeatmapManager.Current.DifficultyCircleSize);
if ((col == 6 || col == 8) && !BeatmapManager.Current.SpecialStyle)
{
BeatmapManager.Current.DifficultyCircleSize = col - 1;
}
IgnoreSpecial = !BeatmapManager.Current.SpecialStyle;
for (int i = 0; i < pendingLines.Count; i++)
{
string[] arr = pendingLines[i].Split(':');
if (arr.Length == 2)
{
arr[0] = arr[0].Trim();
arr[1] = arr[1].Trim();
if (arr[0].Length == 5)
{
parseDataField(arr);
}
}
}
for (int j = 0; j < pendingNotes.Length; j++)
{
if (pendingNotes[j] != null)
{
throw new Exception("Something wrong with the bms");
}
}
//add timing point
List <ControlPoint> list = new List <ControlPoint>(timingList.Count);
for (int i = 0; i < timingList.Count; i++)
{
TimingBMS t = timingList[i];
ControlPoint cp = new ControlPoint((int)t.Time, t.Changed ? 60000 / t.BPM : -100, (TimeSignatures)(t.TimeSignature * 4), SampleSet.None, CustomSampleSet.Default, 70, t.Changed, EffectFlags.None);
list.Add(cp);
}
AudioEngine.ControlPoints = list;
//copy samples
if (!IgnoreSample)
{
foreach (KeyValuePair <string, bool> pair in noteDict)
{
copyFile(pair.Key);
}
}
if (!IgnoreEffect)
{
foreach (KeyValuePair <string, bool> pair in effectDict)
{
copyFile(pair.Key);
}
}
}
catch (Exception ex)
{
MessageBox.Show("Convert failed");
return(false);
}
return(true);
}