public static void TransformFloat(float val, byte[] buffer, int index)
{
var floatBytes = EndianAwareBitConverter.GetBytes(val, Endianness.Big);
var intForm = (uint)EndianAwareBitConverter.ToInt32(floatBytes, Endianness.Big);
var transformedIntForm = (intForm << 1) | (intForm >> 31); // Rotate left 1 bit
var transformedBytes = EndianAwareBitConverter.GetBytes((int)transformedIntForm, Endianness.Big);
Array.Copy(transformedBytes, 0, buffer, index, sizeof(float));
}
public static float ReverseTransformFloat(byte[] buffer, int index)
{
var bytes = new byte[sizeof(float)];
Array.Copy(buffer, index, bytes, 0, sizeof(float));
var intForm = (uint)EndianAwareBitConverter.ToInt32(bytes, Endianness.Big);
var transformedIntForm = (intForm >> 1) | (intForm << 31); // Rotate right 1 bit
var transformedBytes = EndianAwareBitConverter.GetBytes((int)transformedIntForm, Endianness.Big);
return(EndianAwareBitConverter.ToSingle(transformedBytes, Endianness.Big));
}
public static byte[] TransformInt32Array(int[] data)
{
var bytes = new byte[data.Length * sizeof(int)];
for (var i = 0; i < data.Length; i++)
{
var transformed = TransformInt32(data[i]);
var valueBytes = EndianAwareBitConverter.GetBytes(transformed, Endianness.Big);
Array.Copy(valueBytes, 0, bytes, i * sizeof(int), sizeof(int));
}
var interleaved = InterleaveBytes(bytes, sizeof(int));
return(interleaved);
}
public static void WriteReferentArray(EndianAwareBinaryWriter writer, int[] values)
{
var bytes = new byte[values.Length * sizeof(int)];
var last = 0;
for (var i = 0; i < values.Length; i++)
{
var val = values[i] - last;
var transformed = TransformInt32(val);
var valBytes = EndianAwareBitConverter.GetBytes(transformed, Endianness.Big);
last = values[i];
Array.Copy(valBytes, 0, bytes, i * sizeof(int), sizeof(int));
}
var interleaved = InterleaveBytes(bytes, sizeof(int));
writer.WriteBytes(interleaved);
}
public static void WriteEnumerationArray(EndianAwareBinaryWriter writer, int[] values)
{
WriteInterleavedPropertyDataHelper(writer, values, sizeof(int), val => EndianAwareBitConverter.GetBytes(val, Endianness.Big));
}
public static void WriteBrickColorArray(EndianAwareBinaryWriter writer, BrickColor[] values)
{
WriteInterleavedPropertyDataHelper(writer, values, sizeof(int), val => EndianAwareBitConverter.GetBytes((int)val, Endianness.Big));
}