public static Pattern ToPattern(PatternData data)
{
var idToSound = new Dictionary <int, ISoundId>();
foreach (var soundData in data.Sounds)
{
if (idToSound.ContainsKey(soundData.Id))
{
throw new PatternParsingException("Duplicate sound id: " + soundData.Id
+ ". Used by \""
+ idToSound[soundData.Id].Name()
+ "\" and \""
+ soundData.Instrument + "." + soundData.Technique
+ "\"");
}
idToSound.Add(soundData.Id, new SimpleSoundId(soundData.Instrument, soundData.Technique, soundData.Mark));
}
var builder = new Pattern.Builder(data.Sounds.Select(i => idToSound[i.Id]).ToArray());
int index = 0;
foreach (var beatData in data.Beats)
{
var t = new TimeInUnits(beatData.Time);
ISoundId sound;
if (!idToSound.TryGetValue(beatData.Sound, out sound))
{
throw new PatternParsingException("Invalid instrument id for beat #" + index + "(t=" + beatData.Time + ", id=" + beatData.Sound + ")");
}
builder.Add(t, sound, new Velocity(beatData.Velocity));
}
var patternInfo = new PatternInfo.Builder
{
BarsCount = data.BarsCount,
BeatsPerBar = data.BeatsPerBar,
SuggestedBpm = data.SuggestedBpm,
UnitsPerBeat = new TimeInUnits(data.TimeUnitsPerBeat)
};
builder.PatternInfo = patternInfo.Build();
return(builder.Build());
}
private Pattern BuildBinaryPattern()
{
var builder = new PatternInfo.Builder();
builder.BarsCount = 1;
builder.BeatsPerBar = 4;
builder.UnitsPerBeat = new TimeInUnits(2);
builder.SuggestedBpm = 60;
// SN --o---o-
// BS x---xx--
var sn = new SimpleSoundId("SN", "default", "*");
var bs = new SimpleSoundId("BS", "default", "*");
var result = new Pattern.Builder();
result.PatternInfo = builder.Build();
result.Add(new TimeInUnits(0), bs, Velocity.Medium);
result.Add(new TimeInUnits(4), bs, Velocity.Medium);
result.Add(new TimeInUnits(5), bs, Velocity.Medium);
result.Add(new TimeInUnits(3), bs, Velocity.Medium);
result.Add(new TimeInUnits(7), bs, Velocity.Medium);
return(result.Build());
}