private static int GetNumSamples(WaveProps wave)
{
try
{
int totalSamples = wave.Subchunk2Size / wave.NumChannels / (wave.BitsPerSample / 8);
return(totalSamples);
}
catch (DivideByZeroException e)
{
Console.WriteLine("Can't divide by zero! Re-encoded file?");
return(0);
}
catch (Exception e)
{
Console.WriteLine("Problem calculating samples!");
Console.WriteLine(e);
return(0);
}
}
//--------------------------------------------------------------------------
private void ApplyNextWave()
{
bonusBombsSpawned = 0;
waveStartTime = Time.time;
isRushing = false;
currentWaveIndex++;
currentWave = waveProps[0];
foreach (WaveProps wave in waveProps)
{
if (wave.waveIndex <= currentWaveIndex && wave.waveIndex > currentWave.waveIndex)
{
currentWave = wave;
}
}
blockController.fallInterval = GetFallInterval();
BroadcastMessage(TetrisController.HANDLE_RUSH_ENDED);
}
//**************************************************************************
// Init
private void InitWaveProps()
{
waveProps = new List <WaveProps>();
WaveProps prop;
prop = new WaveProps(20, 10, 0.11f, 0, 0);
waveProps.Add(prop);
prop = new WaveProps(20, 15, 0.09f, 0, 1); // Points
waveProps.Add(prop);
prop = new WaveProps(20, 15, 0.12f, 0, 2);
waveProps.Add(prop);
prop = new WaveProps(20, 10, 0.08f, 0, 3); // Shooter
waveProps.Add(prop);
prop = new WaveProps(5, 15, 0.08f, 0, 4);
waveProps.Add(prop);
prop = new WaveProps(10, 8, 0.10f, 0, 5); // Bombs
waveProps.Add(prop);
prop = new WaveProps(30, 10, 0.07f, 0, 6);
waveProps.Add(prop);
prop = new WaveProps(20, 15, 0.12f, 1, 7); // Quad Figure
waveProps.Add(prop);
prop = new WaveProps(20, 15, 0.10f, 1, 8); // Bombs
waveProps.Add(prop);
prop = new WaveProps(20, 15, 0.1f, 0, 9); // L figure
waveProps.Add(prop);
prop = new WaveProps(25, 4, 0.045f, 0, 10); // FAST
waveProps.Add(prop);
prop = new WaveProps(35, 15, 0.09f, 0, 11); // Z figure
waveProps.Add(prop);
prop = new WaveProps(30, 13, 0.07f, 0, 12); // BOMBS
waveProps.Add(prop);
prop = new WaveProps(20, 35, 0.09f, 0, 13); // Long
waveProps.Add(prop);
prop = new WaveProps(20, 15, 0.07f, 0, 14);
waveProps.Add(prop);
prop = new WaveProps(20, 20, 0.1f, 0, 16); // Points
waveProps.Add(prop);
prop = new WaveProps(20, 15, 0.07f, 2, 17);
waveProps.Add(prop);
prop = new WaveProps(20, 20, 0.07f, 0, 20); // Bombs
waveProps.Add(prop);
prop = new WaveProps(20, 10, 0.06f, 1, 21);
waveProps.Add(prop);
prop = new WaveProps(5, 5, 0.06f, 0, 23); // Z figure
waveProps.Add(prop);
prop = new WaveProps(5, 5, 0.06f, 0, 24); // L figure
waveProps.Add(prop);
prop = new WaveProps(5, 5, 0.06f, 0, 25); // Quad figure
waveProps.Add(prop);
prop = new WaveProps(5, 17, 0.09f, 0, 26); // Bombs
waveProps.Add(prop);
prop = new WaveProps(50, 20, 0.08f, 0, 27);
waveProps.Add(prop);
prop = new WaveProps(50, 15, 0.08f, 3, 28);
waveProps.Add(prop);
}
private static WaveProps GetWaveProps(string filePath)
{
WaveProps props = new WaveProps();
try
{
// read in wave file header info to props
using (BinaryReader reader = new BinaryReader(File.OpenRead(filePath)))
{
props.ChunkID = Encoding.ASCII.GetString(reader.ReadBytes(4));
props.ChunkSize = reader.ReadInt32();
props.Format = Encoding.ASCII.GetString(reader.ReadBytes(4));
props.Subchunk1ID = Encoding.ASCII.GetString(reader.ReadBytes(4));
props.Subchunk1Size = reader.ReadInt32();
props.AudioFormat = reader.ReadInt16();
props.NumChannels = reader.ReadInt16();
props.SampleRate = reader.ReadInt32();
props.ByteRate = reader.ReadInt32();
props.BlockAlign = reader.ReadInt16();
props.BitsPerSample = reader.ReadInt16();
// handle if there are extra params
if (props.Subchunk1Size != 16)
{
props.ExtraParamsSize = reader.ReadInt16();
props.ExtraParams = reader.ReadBytes(props.ExtraParamsSize);
}
else
{
props.ExtraParamsSize = 0;
props.ExtraParams = null;
}
props.Subchunk2ID = Encoding.ASCII.GetString(reader.ReadBytes(4));
props.Subchunk2Size = reader.ReadInt32();
props.DataOffset = reader.BaseStream.Position;
}
if (displayInfo)
{
Console.ForegroundColor = ConsoleColor.Cyan;
Console.WriteLine($"File: {filePath}");
Console.ResetColor();
Console.WriteLine($"RIFF: {props.ChunkID}");
Console.WriteLine($"ChunkSize: {props.ChunkSize}");
Console.WriteLine($"Format: {props.Format}");
Console.WriteLine($"Subchunk1ID: {props.Subchunk1ID}");
Console.WriteLine($"Subchunk1Size: {props.Subchunk1Size}");
Console.WriteLine($"AudioFormat: {props.AudioFormat}");
Console.WriteLine($"Channels: {props.NumChannels}");
Console.WriteLine($"Sample Rate: {props.SampleRate}");
Console.WriteLine($"Byte Rate: {props.ByteRate}");
Console.WriteLine($"Block Align: {props.BlockAlign}");
if (props.ExtraParamsSize > 0)
{
Console.WriteLine($"ExtraParamsSize: {props.ExtraParamsSize}");
Console.WriteLine($"ExtraParams: {string.Join(",", props.ExtraParams)}");
Console.WriteLine($"Samples per Block: {props.ExtraParams[0]}");
}
Console.WriteLine($"Bits Per Sample: {props.BitsPerSample}");
Console.WriteLine($"Subchunk2ID: {props.Subchunk2ID}");
Console.WriteLine($"Subchunk2Size: {props.Subchunk2Size}");
}
}
catch (Exception e)
{
Console.WriteLine("Problem reading wave file!");
Console.WriteLine(e);
}
return(props);
}
// encode wav to raw + txth
private static bool EncodeWave(string inputFilePath, string outputFilePath, long startSample, long endSample)
{
// check if input file should be re-encoded
bool waveRequiresEncoding = RequiresEncoding(inputFilePath, outputFilePath);
// only update txth file if wave doesn't need to be encoded
if (!waveRequiresEncoding)
{
Console.WriteLine("Updating txth file!");
// store result of txth updated
bool txthUpdated = txthHandler.UpdateTxthFile($"{outputFilePath}.txth", startSample, endSample);
return(txthUpdated);
}
// file path to store temp encoded file (still has header)
string tempFilePath = $@"{outputFilePath}.temp";
ProcessStartInfo encodeInfo = new ProcessStartInfo
{
FileName = encoderPath,
Arguments = $@"""{inputFilePath}"" ""{tempFilePath}""",
};
// encode file given
try
{
Process process = Process.Start(encodeInfo);
process.WaitForExit();
if (process.ExitCode != 0)
{
Console.WriteLine($"Problem with AdpcmEncode! Exit code: {process.ExitCode}");
return(false);
}
}
catch (Exception e)
{
// problem starting process, exit early
Console.WriteLine("Problem running AdpcmEncode!");
Console.WriteLine(e);
return(false);
}
// get wave props of input file
WaveProps inputWaveProps = GetWaveProps(inputFilePath);
// get num samples from input wave
int numSamples = GetNumSamples(inputWaveProps);
if (numSamples <= 0)
{
Console.WriteLine("Could not determine number of samples from input wave!");
return(false);
}
// get wave props of temp file
WaveProps outputWaveProps = GetWaveProps(tempFilePath);
// array to store data chunk bytes
byte[] outDataChunk = new byte[outputWaveProps.Subchunk2Size];
try
{
// read data chunk into array
using (FileStream tempfile = File.OpenRead(tempFilePath))
{
tempfile.Seek(outputWaveProps.DataOffset, SeekOrigin.Begin);
tempfile.Read(outDataChunk, 0, outDataChunk.Length);
}
}
catch (Exception e)
{
// exit early if error reading data chunk
Console.WriteLine($"Problem reading in data chunk of output!");
Console.WriteLine(e);
return(false);
}
// write txth file
bool txthSuccess = txthHandler.WriteTxthFile($"{outputFilePath}.txth", outputWaveProps, numSamples, startSample, endSample);
if (!txthSuccess)
{
return(false);
}
// write raw to file
try
{
// write raw file
File.WriteAllBytes($"{outputFilePath}", outDataChunk);
// delete temp file
File.Delete(tempFilePath);
}
catch (Exception e)
{
Console.WriteLine("Problem writing raw to file!");
Console.WriteLine(e);
return(false);
}
return(true);
}
