public static TwinkleChunk Read(Stream source, int[] chartOffsets, int[] sampleInfoOffsets, int sampleDataOffset)
{
bool foundChart = false;
TwinkleChunk result = new TwinkleChunk();
byte[] rawData = new byte[0x1A00000];
source.Read(rawData, 0, rawData.Length);
using (MemoryStream mem = new MemoryStream(rawData))
{
// detect charts
if (chartOffsets != null)
{
for (int i = 0; i < chartOffsets.Length; i++)
{
int offset = chartOffsets[i];
if (rawData[offset] == 0 && rawData[offset + 1] == 0 && rawData[offset + 2] == 0 && rawData[offset + 3] > 0 && rawData[offset + 3] <= 250)
{
mem.Position = offset;
Chart chart = Beatmania7Key.Read(mem);
if (chart != null)
result.charts.Add(chart);
else if (i == 0)
break; //no main chart found, don't bother ripping this
foundChart = true;
}
}
}
}
if (foundChart)
{
// swap the bytes for the rest of the data
Util.ByteSwapInPlace16(rawData);
using (MemoryStream mem = new MemoryStream(rawData))
{
if (sampleInfoOffsets != null)
{
// read sample info
List<RF5C400.Properties> samples = new List<RF5C400.Properties>();
for (int i = 0; i < sampleInfoOffsets.Length; i++)
{
mem.Position = sampleInfoOffsets[i];
List<RF5C400.Properties> rawSamples = RF5C400.ReadSampleBlock(mem);
List<int> sampleMap = new List<int>();
int sampleIndex = 0;
while (true)
{
RF5C400.Properties prop = rawSamples[sampleIndex++];
if (prop.Frequency <= 0 || prop.SampleLength <= 0)
break;
if (!samples.Contains(prop))
{
samples.Add(prop);
sampleMap.Add(samples.Count);
}
else
{
sampleMap.Add(samples.IndexOf(prop) + 1);
}
}
result.SampleMaps.Add(sampleMap.ToArray());
}
int sampleCount = samples.Count;
for (int i = 0; i < sampleCount; i++)
{
mem.Position = sampleDataOffset + samples[i].SampleOffset;
result.sounds.Add(RF5C400.Read(mem, samples[i]));
}
}
}
}
return result;
}
static public TwinkleChunk Read(Stream source, int[] chartOffsets, int[] sampleInfoOffsets, int sampleDataOffset)
{
bool foundChart = false;
TwinkleChunk result = new TwinkleChunk();
byte[] rawData = new byte[0x1A00000];
source.Read(rawData, 0, rawData.Length);
using (MemoryStream mem = new MemoryStream(rawData))
{
// detect charts
if (chartOffsets != null)
{
for (int i = 0; i < chartOffsets.Length; i++)
{
int offset = chartOffsets[i];
if (rawData[offset] == 0 && rawData[offset + 1] == 0 && rawData[offset + 2] == 0 && rawData[offset + 3] > 0 && rawData[offset + 3] <= 250)
{
mem.Position = offset;
Chart chart = Beatmania7Key.Read(mem);
if (chart != null)
{
result.charts.Add(chart);
}
else if (i == 0)
{
break; //no main chart found, don't bother ripping this
}
foundChart = true;
}
}
}
}
if (foundChart)
{
// swap the bytes for the rest of the data
Util.ByteSwapInPlace16(rawData);
using (MemoryStream mem = new MemoryStream(rawData))
{
if (sampleInfoOffsets != null)
{
// read sample info
List <RF5C400.Properties> samples = new List <RF5C400.Properties>();
for (int i = 0; i < sampleInfoOffsets.Length; i++)
{
mem.Position = sampleInfoOffsets[i];
List <RF5C400.Properties> rawSamples = RF5C400.ReadSampleBlock(mem);
List <int> sampleMap = new List <int>();
int sampleIndex = 0;
while (true)
{
RF5C400.Properties prop = rawSamples[sampleIndex++];
if (prop.Frequency <= 0 || prop.SampleLength <= 0)
{
break;
}
if (!samples.Contains(prop))
{
samples.Add(prop);
sampleMap.Add(samples.Count);
}
else
{
sampleMap.Add(samples.IndexOf(prop) + 1);
}
}
result.SampleMaps.Add(sampleMap.ToArray());
}
int sampleCount = samples.Count;
for (int i = 0; i < sampleCount; i++)
{
mem.Position = sampleDataOffset + samples[i].SampleOffset;
result.sounds.Add(RF5C400.Read(mem, samples[i]));
}
}
}
}
return(result);
}