public IEnumerable <GeneratedVoxelDesignation> GetUniqueVariants()
{
GeneratedVoxelDesignation rotated = GetRotated(1, false);
GeneratedVoxelDesignation rotatedTwice = rotated.GetRotated(2, false);
GeneratedVoxelDesignation flipped = GetFlipped();
GeneratedVoxelDesignation flippedRotated = flipped.GetRotated(1, true);
GeneratedVoxelDesignation flippedRotatedTwice = flippedRotated.GetRotated(2, true);
GeneratedVoxelDesignation[] rawVariants = new GeneratedVoxelDesignation[]
{
rotated,
rotatedTwice,
rotatedTwice.GetRotated(3, false),
flipped,
flippedRotated,
flippedRotatedTwice,
flippedRotatedTwice.GetRotated(3, true)
};
HashSet <string> uniquenessCheck = new HashSet <string>
{
ToString()
};
foreach (GeneratedVoxelDesignation rawVariant in rawVariants)
{
if (uniquenessCheck.Add(rawVariant.ToString()))
{
yield return(rawVariant);
}
}
}
public GeneratedVoxelDesignation GetFlipped()
{
GeneratedVoxelDesignation ret = new GeneratedVoxelDesignation(true, 0);
for (int y = 0; y < 2; y++)
{
for (int z = 0; z < 2; z++)
{
bool left = Description[0, y, z];
bool right = Description[1, y, z];
ret.Description[0, y, z] = right;
ret.Description[1, y, z] = left;
}
}
return(ret);
}
public GeneratedVoxelDesignation GetRotated(int rotationCount, bool wasFlipped)
{
GeneratedVoxelDesignation ret = new GeneratedVoxelDesignation(wasFlipped, rotationCount);
for (int y = 0; y < 2; y++)
{
bool one = Description[0, y, 0];
bool two = Description[1, y, 0];
bool three = Description[1, y, 1];
bool four = Description[0, y, 1];
ret.Description[0, y, 0] = two;
ret.Description[1, y, 0] = three;
ret.Description[1, y, 1] = four;
ret.Description[0, y, 1] = one;
}
return(ret);
}
