/// <summary>
/// Unpacks a Vertex Normal from: Ghosts, AW, MWR
/// </summary>
/// <param name="packedNormal">Packed 4 byte Vertex Normal</param>
/// <returns>Resulting Vertex Normal</returns>
public static Vector3 MethodB(PackedUnitVector packedNormal)
{
// Return decoded vector
return(new Vector3(
(float)(((packedNormal.Value & 0x3FF) / 1023.0) * 2.0 - 1.0),
(float)((((packedNormal.Value >> 10) & 0x3FF) / 1023.0) * 2.0 - 1.0),
(float)((((packedNormal.Value >> 20) & 0x3FF) / 1023.0) * 2.0 - 1.0)));
}
/// <summary>
/// Unpacks a Vertex Normal from: WaW, MW2, MW3, Bo1
/// </summary>
/// <param name="packedNormal">Packed 4 byte Vertex Normal</param>
/// <returns>Resulting Vertex Normal</returns>
public static Vector3 MethodA(PackedUnitVector packedNormal)
{
// Decode the scale of the vector
float decodeScale = ((float)(packedNormal.Byte4 - -192.0) / 32385.0f);
// Return decoded vector
return(new Vector3(
(float)(packedNormal.Byte1 - 127.0) * decodeScale,
(float)(packedNormal.Byte2 - 127.0) * decodeScale,
(float)(packedNormal.Byte3 - 127.0) * decodeScale));
}
/// <summary>
/// Unpacks a Vertex Normal from: Bo3
/// </summary>
/// <param name="packedNormal">Packed 4 byte Vertex Normal</param>
/// <returns>Resulting Vertex Normal</returns>
public static Vector3 MethodD(PackedUnitVector packedNormal)
{
// Unpack normal
int packedX = (((packedNormal.Value >> 0) & ((1 << 10) - 1)) - 512);
int packedY = (((packedNormal.Value >> 10) & ((1 << 10) - 1)) - 512);
int packedZ = (((packedNormal.Value >> 20) & ((1 << 10) - 1)) - 512);
// Return decoded vector
return(new Vector3(
packedX / 511.0,
packedY / 511.0,
packedZ / 511.0));
}
/// <summary>
/// Unpacks a Vertex Normal from: Bo2
/// </summary>
/// <param name="packedNormal">Packed 4 byte Vertex Normal</param>
/// <returns>Resulting Vertex Normal</returns>
public static Vector3 MethodC(PackedUnitVector packedNormal)
{
// Resulting values
var builtX = new FloatToInt {
Integer = (uint)((packedNormal.Value & 0x3FF) - 2 * (packedNormal.Value & 0x200) + 0x40400000)
};
var builtY = new FloatToInt {
Integer = (uint)((((packedNormal.Value >> 10) & 0x3FF) - 2 * ((packedNormal.Value >> 10) & 0x200) + 0x40400000))
};
var builtZ = new FloatToInt {
Integer = (uint)((((packedNormal.Value >> 20) & 0x3FF) - 2 * ((packedNormal.Value >> 20) & 0x200) + 0x40400000))
};
// Return decoded vector
return(new Vector3(
(builtX.Float - 3.0) * 8208.0312f,
(builtY.Float - 3.0) * 8208.0312f,
(builtZ.Float - 3.0) * 8208.0312f));
}