/// <summary>
/// Decode (decompresss) and restore an element that was compressed by this crusher.
/// </summary>
public Element Decompress(CompressedElement compressed)
{
if (!cached)
{
CacheValues();
}
if (_trsType == TRSType.Scale && uniformAxes != UniformAxes.NonUniform)
{
float val = ucrusher.Decompress((uint)compressed.cx);
return(new Vector3(val, val, val));
}
else if (_trsType == TRSType.Quaternion)
{
//Debug.Log("We should not see this! Quats should be getting called to DecompressToQuat");
return(qcrusher.Decompress(compressed.cQuat));
}
else
{
// Issue log error for trying to write more than 64 bits to the ulong buffer
FloatCrusherUtilities.CheckBitCount(cache_TotalBits[0], 64);
return(new Vector3(
cache_xEnabled ? (xcrusher.Decompress((uint)compressed.cx)) : 0,
cache_yEnabled ? (ycrusher.Decompress((uint)compressed.cy)) : 0,
cache_zEnabled ? (zcrusher.Decompress((uint)compressed.cz)) : 0
));
}
}
//UNTESTED
/// <summary>
/// Reads (deserialize) a compressed value from the buffer, decmpress, and return a restored float.
/// </summary>
/// <param name="buffer">Source buffer to read from.</param>
/// <param name="bitposition">Auto-incremented read position for the buffer. Will begin reading bits from this position.</param>
/// <param name="bcl"></param>
/// <returns></returns>
public static float ReadAndDecompress(this FloatCrusher fc, ulong buffer, ref int bitposition, BitCullingLevel bcl = BitCullingLevel.NoCulling)
{
int bits = fc._bits[(int)bcl];
uint c = (uint)buffer.Read(ref bitposition, bits);
return(fc.Decompress(c));
}
/// <summary>
/// Deserializes a compressed (encoded) float out of an array from the indicated bitpostion, and Decode() it.
/// </summary>
/// <param name="buffer">Source array buffer.</param>
/// <param name="bitposition">The auto-incremented position in the array (in bits) where we will begin reading.</param>
/// <returns>Restored float value.</returns>
public static float ReadAndDecompress(this FloatCrusher fc, ulong[] buffer, ref int bitposition)
{
uint c = buffer.ReadUInt32(ref bitposition, fc._bits[0]);
return(fc.Decompress(c));
}
public static float ReadAndDecompress(this FloatCrusher fc, ref Bitstream bitstream, BitCullingLevel bcl = BitCullingLevel.NoCulling)
{
CompressedFloat c = fc.Read(ref bitstream, bcl);
return(fc.Decompress(c));
}