public static void setcube(Cube c, int index, int symtype)
{
int tg = (index % 594);
index = index / 594;
int e = (index % 2048);
index = index / 2048;
int d = index;
c.SetCornerTwistFromIndex(symGroupMembers[tg][symtype]);
c.SetEdgeFlipFromIndex(symEdgeFlipIndex[e][symtype]);
c.SetMiddleEdgeDistributionFromIndex(symMiddleEdgeDistributionIndex[d][symtype]);
}
private static void BuildTwistSymGroup()
{
twistSymGroup = new int[2187];
symGroupMembers = new int[594][];
for (int i = 0; i < twistSymGroup.Length; i++)
{
twistSymGroup[i] = -1;
}
int numGroups = 0;
Cube c = new Cube();
for (int i = 0; i < twistSymGroup.Length; i++)
{
if (twistSymGroup[i] < 0)
{
c.SetCornerTwistFromIndex(i);
int s0 = c.GetCornerTwistIndex();
c.MirrorUD();
int ud = c.GetCornerTwistIndex();
c.MirrorLR();
int ud_lr = c.GetCornerTwistIndex();
c.MirrorUD();
int lr = c.GetCornerTwistIndex();
c.MirrorLR();
if (s0 != c.GetCornerTwistIndex() || i != s0)
{
Console.WriteLine("ERROR: symmetry action do not match original situation!");
}
int g = numGroups++;
if (twistSymGroup[s0] >= 0 || twistSymGroup[ud] >= 0 || twistSymGroup[lr] >= 0 || twistSymGroup[ud_lr] >= 0)
{
Console.WriteLine("ERROR: Overwriting symmetry group member");
}
twistSymGroup[s0] = g;
twistSymGroup[ud] = g;
twistSymGroup[lr] = g;
twistSymGroup[ud_lr] = g;
symGroupMembers[g] = new int[] { s0, ud, lr, ud_lr };
// Console.Write(g + ": " + s0 + " " + ud+ " " + lr+ " " + ud_lr + " ");
// if ((numGroups % 2) == 0) Console.WriteLine();
}
}
}
private static void BuildTwistSymGroup()
{
twistSymGroup = new int[2187];
symGroupMembers = new int[594][];
for (int i = 0; i < twistSymGroup.Length; i++)
{
twistSymGroup[i] = -1;
}
int numGroups = 0;
Cube c = new Cube();
for (int i=0; i<twistSymGroup.Length; i++)
{
if (twistSymGroup[i]<0)
{
c.SetCornerTwistFromIndex(i);
int s0 = c.GetCornerTwistIndex();
c.MirrorUD();
int ud = c.GetCornerTwistIndex();
c.MirrorLR();
int ud_lr = c.GetCornerTwistIndex();
c.MirrorUD();
int lr = c.GetCornerTwistIndex();
c.MirrorLR();
if (s0!=c.GetCornerTwistIndex() || i!=s0)
{
Console.WriteLine("ERROR: symmetry action do not match original situation!");
}
int g = numGroups++;
if (twistSymGroup[s0] >= 0 || twistSymGroup[ud]>=0 || twistSymGroup[lr]>=0 || twistSymGroup[ud_lr]>= 0)
{
Console.WriteLine("ERROR: Overwriting symmetry group member");
}
twistSymGroup[s0] = g;
twistSymGroup[ud] = g;
twistSymGroup[lr] = g;
twistSymGroup[ud_lr] = g;
symGroupMembers[g] = new int[] { s0, ud, lr, ud_lr };
// Console.Write(g + ": " + s0 + " " + ud+ " " + lr+ " " + ud_lr + " ");
// if ((numGroups % 2) == 0) Console.WriteLine();
}
}
}
public static void setcube(Cube c, int index, int symtype)
{
int tg = (index % 594);
index = index / 594;
int e = (index % 2048);
index = index / 2048;
int d = index;
c.SetCornerTwistFromIndex(symGroupMembers[tg][symtype]);
c.SetEdgeFlipFromIndex(symEdgeFlipIndex[e][symtype]);
c.SetMiddleEdgeDistributionFromIndex(symMiddleEdgeDistributionIndex[d][symtype]);
}
