public bool IsReady(TimeSpan CurrentOffset, ChotaikoChartInfo ChartInfo)
{
// Return whether the current offset plus the added time on screen is larger than the
// offset of this object.
return(CurrentOffset + ChartInfo.ScreenInterval >= this.Offset);
}
/// <summary>
/// Creates new chart given file stream
/// </summary>
/// <param name="ChartFileStream">File stream to read from</param>
public ChotaikoChart(StreamReader ChartFileStream)
{
// If something bad goes wrong, tell the user something is wrong!
try
{
this.Objects = new List <IChotaikoChartObject>();
double AccValue = 0;
double SpeedValue = 0;
// Parse properties
while (true)
{
String Line = ChartFileStream.ReadLine();
String[] Words = Line.Split(' ');
// Empty line
if (Words.Length == 0)
{
break;
}
String Properties = Words[0];
// If notes, exit properties loop
if (Properties.Equals("Notes:"))
{
break;
}
// No value
if (Words.Length < 2)
{
break;
}
String Value = Words[1];
// Set accuracy value
if (Properties.Equals("AccValue:"))
{
AccValue = Convert.ToDouble(Value);
}
// Set speed value
else if (Properties.Equals("SpeedValue:"))
{
SpeedValue = Convert.ToDouble(Value);
}
}
// Create chart info
ChartInfo = new ChotaikoChartInfo(AccValue, SpeedValue);
// Current note ID
int NoteID = 0;
// Offset of previous note
TimeSpan LastOffset = TimeSpan.Zero;
// Time between beats and offset
TimeSpan?BeatTime = null;
TimeSpan?Offset = null;
// Parse each object
while (!ChartFileStream.EndOfStream)
{
// Type of note
String NoteString = ChartFileStream.ReadLine();
String[] NoteParams = NoteString.Split(' ');
if (NoteParams[0].Equals("Beat"))
{
// Check parameter size
if (NoteParams.Length != 3)
{
throw new ArgumentException("Invalid param count");
}
// Offset in map
String NoteOffsetString = NoteParams[1];
double NoteOffsetValue = Convert.ToDouble(NoteOffsetString);
// Calculate beat location
TimeSpan NoteOffset = Offset.Value + TimeSpan.FromTicks((long)(BeatTime.Value.Ticks * NoteOffsetValue));
// If beats are not in order, the chart is in the wrong format
if (NoteOffset < LastOffset)
{
throw new ArgumentException("Beats not in order.");
}
LastOffset = NoteOffset;
// Theta value
String ThetaString = NoteParams[2];
double Theta = Convert.ToDouble(ThetaString);
// Create a new note
ChotaikoChartBeat Note = new ChotaikoChartBeat(NoteID, Theta, NoteOffset);
this.Objects.Add(Note);
NoteID++;
}
if (NoteParams[0].Equals("Strum"))
{
// Check parameter size
if (NoteParams.Length != 2)
{
throw new ArgumentException("Invalid param count");
}
// Offset in map
String NoteOffsetString = NoteParams[1];
double NoteOffsetValue = Convert.ToDouble(NoteOffsetString);
// Calculate beat location
TimeSpan NoteOffset = Offset.Value + TimeSpan.FromTicks((long)(BeatTime.Value.Ticks * NoteOffsetValue));
// If beats are not in order, the chart is in the wrong format
if (NoteOffset < LastOffset)
{
throw new ArgumentException("Beats not in order.");
}
LastOffset = NoteOffset;
// Create a new note
ChotaikoChartStrum Note = new ChotaikoChartStrum(NoteID, NoteOffset);
this.Objects.Add(Note);
NoteID++;
}
if (NoteParams[0].Equals("BPM"))
{
// Check parameter size
if (NoteParams.Length != 3)
{
throw new ArgumentException("Invalid param count");
}
// Offset in map
String OffsetString = NoteParams[1];
Offset = TimeSpan.FromMilliseconds(Convert.ToInt32(OffsetString));
// BPM in map
String BPMString = NoteParams[2];
double BPM = Convert.ToDouble(BPMString);
BeatTime = TimeSpan.FromSeconds(60 / BPM);
// Update Chart BPM
ChartInfo.UpdateBPM(BPM);
}
}
}
catch (Exception e)
{
#if DEBUG
Console.WriteLine(e.StackTrace);
#endif
throw new ArgumentException("Chart Parse Error!");
}
}