private void ParseFile()
{
using (var reader = StepmaniaFileReaderFactory.CreateReader(FilePath))
{
while (reader.ReadNextTag(out SmFileAttribute tag))
{
if (reader.State == ReaderState.ReadingChartMetadata)
{
var stepData = reader.ReadStepchartMetadata();
ChartMetadata.Add(stepData);
reader.SkipTagValue();
}
else
{
var value = reader.ReadTagValue();
if (!_attributes.ContainsKey(tag))
{
_attributes.Add(tag, value);
}
}
}
}
}
private static string GenerateLightsChart(string file, StepMetadata referenceData)
{
using (var reader = StepmaniaFileReaderFactory.CreateReader(file))
{
while (reader.ReadNextTag(out SmFileAttribute tag))
{
if (reader.State != ReaderState.ReadingChartMetadata)
{
continue;
}
var stepData = reader.ReadStepchartMetadata();
if (stepData.PlayStyle == referenceData.PlayStyle && stepData.Difficulty == referenceData.Difficulty)
{
return(GenerateLightsChart(reader));
}
}
}
throw new Exception($"Could not find note data to reference in {file}");
}
public static LightChartHoldState VerifyLightChartHolds(string smFilePath)
{
var holdState = LightChartHoldState.HoldingNone;
void VerifyHoldState(string line, int column, int measure)
{
if (line[column] == HOLD_BEGIN || line[column] == ROLL_BEGIN)
{
if (!holdState.HasFlag(HoldStateMap[column]))
{
holdState |= HoldStateMap[column];
}
else
{
throw new Exception($"Parser encountered HOLD_BEGIN on column {column} (note: {line[column]}, measure: {measure}) when hold state was already holding.\n{Path.GetFullPath(smFilePath)}");
}
}
else if (line[column] == HOLD_END)
{
if (holdState.HasFlag(HoldStateMap[column]))
{
holdState &= ~HoldStateMap[column];
}
else
{
throw new Exception($"Parser encountered HOLD_END on column {column} (note: {line[column]}, measure: {measure}) when hold state was not holding.\n{Path.GetFullPath(smFilePath)}");
}
}
}
using (var reader = StepmaniaFileReaderFactory.CreateReader(smFilePath))
{
while (reader.ReadNextTag(out SmFileAttribute tag))
{
if (tag != SmFileAttribute.NOTES)
{
continue;
}
var stepData = reader.ReadStepchartMetadata();
if (stepData.PlayStyle == PlayStyle.Lights && stepData.Difficulty == SongDifficulty.Easy)
{
int measureNumber = 1;
while (reader.IsParsingNoteData)
{
var measure = reader.ReadMeasure();
foreach (string line in measure)
{
VerifyHoldState(line, MARQUEE_LEFT, measureNumber);
VerifyHoldState(line, MARQUEE_UP, measureNumber);
VerifyHoldState(line, MARQUEE_DOWN, measureNumber);
VerifyHoldState(line, MARQUEE_RIGHT, measureNumber);
VerifyHoldState(line, BASS_LEFT, measureNumber);
VerifyHoldState(line, BASS_RIGHT, measureNumber);
}
measureNumber++;
}
break;
}
}
}
return(holdState);
}