private static GloCommandContainer SamplesToCommands(Sample[] samples)
{
GloCommandContainer container = new GloCommandContainer(null, "END");
GloColor lastColor = GloColor.Black;
int lastTick = 0;
for (int i = 0; i < samples.Length; i++)
{
int delay = samples[i].ticks - lastTick;
if (delay > 0)
{
if (samples[i].colBefore == lastColor)
{
container.Commands.Add(new GloDelayCommand(delay));
}
else
{
container.Commands.Add(new GloRampCommand(samples[i].colBefore, delay));
lastColor = samples[i].colBefore;
}
}
if (samples[i].colAfter != lastColor)
{
container.Commands.Add(new GloColorCommand(samples[i].colAfter));
lastColor = samples[i].colAfter;
}
lastTick = samples[i].ticks;
}
return(container);
}
private static void WriteCommands(GloCommandContainer container, string file)
{
// convert commands to their string representation
var commandStrings = container.ToGloLines();
var lines = Enumerable.Repeat("; Generated by Glow Sequencer version " + GetProgramVersion() + " at " + DateTime.Now + ".", 1).Concat(commandStrings);
System.IO.File.WriteAllLines(file, lines, Encoding.ASCII);
}
public static void ExportTrack(Track track, string filename, float startTime = 0)
{
// Algorithm "back-to-front rendering" := every block paints all affected samples with its data
// Each sample stores "color up to this point" and "color from this point forward" along with the block that set the respective half.
// After painting is complete, all samples that just pass through a single block are redundant.
Sample[] samples = CollectSamples(track, startTime);
GloCommandContainer commandContainer = SamplesToCommands(samples);
OptimizeCommands(commandContainer.Commands);
// write to file
WriteCommands(commandContainer, filename);
}