private static void BitCountfrom1(ref Vector3PackSettings settings, CustomAttributeArgument arg)
{
// check vs all 3 axis
int bitCount = (int)arg.Value;
ValidateBitCount(bitCount, (s) => new Vector3PackException(s));
settings.bitCount = new Vector3Int(bitCount, bitCount, bitCount);
}
private static void Precisionfrom1(ref Vector3PackSettings settings, CustomAttributeArgument arg)
{
// check vs all 3 axis
float precision = (float)arg.Value;
ValidatePrecision(settings.max.x, precision, (s) => new Vector3PackException(s));
ValidatePrecision(settings.max.y, precision, (s) => new Vector3PackException(s));
ValidatePrecision(settings.max.z, precision, (s) => new Vector3PackException(s));
settings.precision = new Vector3(precision, precision, precision);
}
private static void BitCountFrom3(ref Vector3PackSettings settings, CustomAttributeArgument xArg, CustomAttributeArgument yArg, CustomAttributeArgument zArg)
{
// check vs all 3 axis
ValidateBitCount((int)xArg.Value, (s) => new Vector3PackException(s));
ValidateBitCount((int)yArg.Value, (s) => new Vector3PackException(s));
ValidateBitCount((int)zArg.Value, (s) => new Vector3PackException(s));
settings.bitCount = new Vector3Int(
(int)xArg.Value,
(int)yArg.Value,
(int)zArg.Value);
}
private static void PrecisionFrom3(ref Vector3PackSettings settings, CustomAttributeArgument xArg, CustomAttributeArgument yArg, CustomAttributeArgument zArg)
{
// check vs all 3 axis
var precision = new Vector3(
(float)xArg.Value,
(float)yArg.Value,
(float)zArg.Value);
ValidatePrecision(settings.max.x, precision.x, (s) => new Vector3PackException(s));
ValidatePrecision(settings.max.y, precision.y, (s) => new Vector3PackException(s));
ValidatePrecision(settings.max.z, precision.z, (s) => new Vector3PackException(s));
settings.precision = precision;
}
protected override Vector3PackSettings GetSettings(TypeReference fieldType, CustomAttribute attribute)
{
if (!fieldType.Is <Vector3>())
{
throw new Vector3PackException($"{fieldType} is not a supported type for [Vector3Pack]");
}
var settings = new Vector3PackSettings();
for (int i = 0; i < 3; i++)
{
settings.max[i] = (float)attribute.ConstructorArguments[i].Value;
if (settings.max[i] <= 0)
{
throw new Vector3PackException($"Max must be above 0, max:{settings.max}");
}
}
if (attribute.ConstructorArguments.Count == 4)
{
CustomAttributeArgument arg = attribute.ConstructorArguments[3];
if (arg.Type.Is <float>())
{
Precisionfrom1(ref settings, arg);
}
else
{
BitCountfrom1(ref settings, arg);
}
}
else
{
CustomAttributeArgument xArg = attribute.ConstructorArguments[3];
CustomAttributeArgument yArg = attribute.ConstructorArguments[4];
CustomAttributeArgument zArg = attribute.ConstructorArguments[5];
if (xArg.Type.Is <float>())
{
PrecisionFrom3(ref settings, xArg, yArg, zArg);
}
else
{
BitCountFrom3(ref settings, xArg, yArg, zArg);
}
}
return(settings);
}
