public static TrackData LoadTrackFromFile(string fileName)
{
StreamReader stream = File.OpenText(fileName);
TrackData data;
string[] tokens;
char[] splitChar = { ':' };
//try {
tokens = stream.ReadLine().Split(splitChar, 2, StringSplitOptions.None);
string name = tokens[1];
// Read key data
tokens = stream.ReadLine().Split(splitChar);
int noKeys = int.Parse(tokens[1]);
Console.WriteLine(String.Format("Using {0} key(s).", noKeys));
data = new TrackData(name, noKeys);
tokens = stream.ReadLine().Split(splitChar);
data.sections = new List <TrackSection>(int.Parse(tokens[1]));
Console.WriteLine(String.Format("Loading {0} section(s)...", data.sections.Capacity));
// Read note data
// Temporary holder for held notes
Note[] holdNotes = new Note[data.Keys];
for (string line; !stream.EndOfStream;)
{
if ((char)stream.Peek() == '[')
{
data.sections.Add(TrackSection.LoadTrackSection(stream, noKeys));
}
else
{
line = stream.ReadLine();
}
}
for (int i = 0; i < data.Keys; ++i)
{
Console.WriteLine(String.Format("[{0}]: {1} notes.", i, data.Sections.Last().Notes[i].Count));
}
//} catch {
// Console.Error.WriteLine("Corrupt file!");
// data = new TrackData(0);
//} finally {
stream.Close();
//}
return(data);
}
public static TrackSection LoadTrackSection(StreamReader stream, int keys)
{
TrackSection section;
try {
string line = stream.ReadLine();
int noChrs = line.Count();
section = new TrackSection(int.Parse(line.Substring(1, noChrs - 2)));
section.initNoteLists(keys);
Console.WriteLine(String.Format("Begin section at: {0}ms.", section.Begin));
string[] tokens;
// Init temp array to test for non-terminated hold notes
int[] holdNoteStartTimes = new int[3];
for (int i = 0; i < holdNoteStartTimes.Length; ++i)
{
holdNoteStartTimes[i] = InvalidTime;
}
while (!stream.EndOfStream)
{
if ((char)stream.Peek() == ']')
{
// End of a track section
stream.ReadLine();
break;
}
line = stream.ReadLine();
tokens = line.Split(',');
// Get time
int time = int.Parse(tokens[0]);
Console.Write(String.Format("Time: {0};", time));
// Extract state
for (int i = 0; i < keys; ++i)
{
KeyState stateID = (KeyState)int.Parse(tokens[i + 1]);
switch (stateID)
{
case KeyState.Tap:
section.notes[i].AddLast(new Note(time));
break;
case KeyState.Hold:
holdNoteStartTimes[i] = time;
break;
case KeyState.Release:
section.notes[i].AddLast(new Note(holdNoteStartTimes[i], time - holdNoteStartTimes[i]));
holdNoteStartTimes[i] = InvalidTime;
break;
}
section.End = time;
Console.Write(String.Format(" {0}", stateID));
}
Console.WriteLine();
}
bool holdsLeft = false;
for (int i = 0; !holdsLeft && i < keys; ++i)
{
holdsLeft |= holdNoteStartTimes[i] != InvalidTime;
}
if (holdsLeft)
{
throw new InvalidDataException("Corrupt section!");
}
} catch (Exception e) {
Console.Error.WriteLine(e.Message);
section = null;
}
return(section);
}
public static TrackSection LoadTrackSection(StreamReader stream, int keys)
{
TrackSection section;
try {
string line = stream.ReadLine();
int noChrs = line.Count();
section = new TrackSection(int.Parse(line.Substring(1, noChrs - 2)));
section.initNoteLists(keys);
Console.WriteLine(String.Format("Begin section at: {0}ms.", section.Begin));
string[] tokens;
// Init temp array to test for non-terminated hold notes
int[] holdNoteStartTimes = new int[3];
for (int i = 0; i < holdNoteStartTimes.Length; ++i)
holdNoteStartTimes[i] = InvalidTime;
while (!stream.EndOfStream) {
if ((char)stream.Peek() == ']') {
// End of a track section
stream.ReadLine();
break;
}
line = stream.ReadLine();
tokens = line.Split(',');
// Get time
int time = int.Parse(tokens[0]);
Console.Write(String.Format("Time: {0};", time));
// Extract state
for (int i = 0; i < keys; ++i) {
KeyState stateID = (KeyState)int.Parse(tokens[i + 1]);
switch (stateID) {
case KeyState.Tap:
section.notes[i].AddLast(new Note(time));
break;
case KeyState.Hold:
holdNoteStartTimes[i] = time;
break;
case KeyState.Release:
section.notes[i].AddLast(new Note(holdNoteStartTimes[i], time - holdNoteStartTimes[i]));
holdNoteStartTimes[i] = InvalidTime;
break;
}
section.End = time;
Console.Write(String.Format(" {0}", stateID));
}
Console.WriteLine();
}
bool holdsLeft = false;
for (int i = 0; !holdsLeft && i < keys; ++i)
holdsLeft |= holdNoteStartTimes[i] != InvalidTime;
if (holdsLeft)
throw new InvalidDataException("Corrupt section!");
} catch (Exception e) {
Console.Error.WriteLine(e.Message);
section = null;
}
return section;
}
