private void ExportSnippetButton_Click(object sender, EventArgs e)
{
try { // My programs never crash! xd
// Get Save Path
SaveFileDialog Dialog = new SaveFileDialog {
Filter = "DTX SimFiles (*.dtx)|*.dtx|All files (*.*)|*.*"
};
Dialog.ShowDialog();
// Generate Amplitude List
List <float> AmplitudeList = new List <float>();
AudioFileReader Wave = new AudioFileReader(LoadFileTextBox.Text);
float[] Buffer = new float[1024];
int SamplesRead = -1;
while (SamplesRead != 0)
{
SamplesRead = Wave.Read(Buffer, 0, 1024);
foreach (float Amplitude in Buffer)
{
AmplitudeList.Add(Amplitude);
}
}
// Generate Beat Time List
//List<double> BeatList = GenerateBeatList(AmplitudeList, Wave.WaveFormat);
// Generate BPM List
//List<double> BPMList = GenerateBPMList(BeatList);
// Generate Beat Sample Index List
List <int> BeatSampleIndexList = GenerateBeatSampleList(AmplitudeList, Wave.WaveFormat);
// Generate BPM List from Beat Indexes
List <double> BPMList = GenerateBPMListFromSamples(BeatSampleIndexList, Wave.WaveFormat);
// Generate DTX Simfile
DTXSimFile SimFile = new DTXSimFile {
BPMList = BPMList,
BeatsPerBar = double.Parse(BarLengthTextbox.Text),
SaveFilePath = Dialog.FileName
};
GenerateDTX(SimFile);
}
catch (Exception ex) {
WriteConsoleLine(ex.Message, DateTime.Now.ToString("HH:mm:ss") + " Error");
}
}
private void GenerateDTX(DTXSimFile SimFile)
{
StreamWriter Writer = new StreamWriter(SimFile.SaveFilePath);
Writer.WriteLine("#00002: " + (SimFile.BeatsPerBar / 4) + " ;" + SimFile.BeatsPerBar + " beats per bar"); // Bar 0 Time Signature
// Build BPM Table
Dictionary <double, string> BPMLookup = new Dictionary <double, string>(); // <Tempo Value, BPM Chip ID>
foreach (double BPM in SimFile.BPMList)
{
if (!BPMLookup.ContainsKey(BPM))
{
string Index36 = Base10ToBase36(BPMLookup.Keys.Count + 1).PadLeft(2, '0');
BPMLookup[BPM] = Index36;
Writer.WriteLine("#BPM" + Index36 + ": " + BPM);
}
}
// Write DTX SimFile
int Bar = 1;
int PositionInBar = 1; // Always less than or equal to SimFile.BeatsPerBar
string PreviousBPMChip = "";
int ChipCounter = 0;
foreach (double BPM in SimFile.BPMList)
{
// Place BPM Chip
if (PositionInBar == 1)
{
Writer.Write("#" + Bar.ToString("000") + "08: "); // Write BPM Chip prefix and bar number
}
if (PreviousBPMChip != BPMLookup[BPM] || (Bar == 1 && PositionInBar == 1))
{
Writer.Write(BPMLookup[BPM]); // Write the actual BPM Chip here
ChipCounter++;
}
else
{
Writer.Write("00"); // Don't put two of the same BPM chips in a row
}
PreviousBPMChip = BPMLookup[BPM];
// Move to next beat
PositionInBar++;
if (PositionInBar > SimFile.BeatsPerBar) // Move to next bar
{
Writer.Write('\n');
PositionInBar = 1;
Bar++;
}
}
WriteConsoleLine("Wrote " + ChipCounter + " BPM chips.");
// Fill rest of last bar with null
if (PositionInBar != 1)
{
while (PositionInBar <= SimFile.BeatsPerBar)
{
Writer.Write("00");
PositionInBar++;
}
Writer.Write('\n');
}
Writer.Close();
WriteConsoleLine("Exported to " + SimFile.SaveFilePath);
}
