private static Dictionary <int, (WaveSampleChunk, int)> AddSamples(Config config, DLS dls)
{
ListChunk waves = dls.WavePool;
var sampleDict = new Dictionary <int, (WaveSampleChunk, int)>((int)config.SampleTableSize);
for (int i = 0; i < config.SampleTableSize; i++)
{
int ofs = config.Reader.ReadInt32(config.SampleTableOffset + (i * 4));
if (ofs == 0)
{
continue; // Skip null samples
}
ofs += config.SampleTableOffset;
SampleHeader sh = config.Reader.ReadObject <SampleHeader>(ofs);
// Create format chunk
var fmt = new FormatChunk(WaveFormat.PCM);
fmt.WaveInfo.Channels = 1;
fmt.WaveInfo.SamplesPerSec = (uint)(sh.SampleRate >> 10);
fmt.WaveInfo.AvgBytesPerSec = fmt.WaveInfo.SamplesPerSec;
fmt.WaveInfo.BlockAlign = 1;
fmt.FormatInfo.BitsPerSample = 8;
// Create wave sample chunk and add loop if there is one
var wsmp = new WaveSampleChunk
{
UnityNote = 60,
Options = WaveSampleOptions.NoTruncation | WaveSampleOptions.NoCompression
};
if (sh.DoesLoop == 0x40000000)
{
wsmp.Loop = new WaveSampleLoop
{
LoopStart = (uint)sh.LoopOffset,
LoopLength = (uint)(sh.Length - sh.LoopOffset),
LoopType = LoopType.Forward
};
}
// Get PCM sample
byte[] pcm = new byte[sh.Length];
Array.Copy(config.ROM, ofs + 0x10, pcm, 0, sh.Length);
// Add
int dlsIndex = waves.Count;
waves.Add(new ListChunk("wave")
{
fmt,
wsmp,
new DataChunk(pcm),
new ListChunk("INFO")
{
new InfoSubChunk("INAM", $"Sample {i}")
}
});
sampleDict.Add(i, (wsmp, dlsIndex));
}
return(sampleDict);
}
public void Init(byte key, ADSR adsr, int sampleOffset, bool bFixed)
{
_velocity = adsr.A;
State = EnvelopeState.Attack;
_pos = 0; _interPos = 0;
Key = key;
_adsr = adsr;
_sampleHeader = _mixer.Config.Reader.ReadObject <SampleHeader>(sampleOffset);
_sampleOffset = sampleOffset + 0x10;
_bFixed = bFixed;
Stopped = false;
}
private static Dictionary <int, (SampleHeader, int)> AddSamples(Config config, SF2 sf2)
{
var sampleDict = new Dictionary <int, (SampleHeader, int)>((int)config.SampleTableSize);
for (int i = 0; i < config.SampleTableSize; i++)
{
int ofs = config.Reader.ReadInt32(config.SampleTableOffset + (i * 4));
if (ofs == 0)
{
continue;
}
ofs += config.SampleTableOffset;
SampleHeader sh = config.Reader.ReadObject <SampleHeader>(ofs);
short[] pcm16 = SampleUtils.PCMU8ToPCM16(config.ROM, ofs + 0x10, sh.Length);
int sf2Index = (int)sf2.AddSample(pcm16, $"Sample {i}", sh.DoesLoop == 0x40000000, (uint)sh.LoopOffset, (uint)(sh.SampleRate >> 10), 60, 0);
sampleDict.Add(i, (sh, sf2Index));
}
return(sampleDict);
}
