public static void InitMvrot()
{
Edge3 e = new Edge3();
for (int m = 0; m < 20; m++)
{
for (int r = 0; r < 8; r++)
{
e.Set(0);
e.Move(m);
e.Rotate(r);
for (int i = 0; i < 12; i++)
{
mvrot[m << 3 | r][i] = e.Edge[i];
}
e.Std();
for (int i = 0; i < 12; i++)
{
mvroto[m << 3 | r][i] = e.temp[i];
}
}
}
}
public static void CreatePrun()
{
Edge3 e = new Edge3();
Edge3 f = new Edge3();
Edge3 g = new Edge3();
ArrayExtension.Fill(eprun, -1);
int depth = 0;
done = 1;
SetPruning(eprun, 0, 0);
while (done != N_EPRUN)
{
bool inv = depth > 9;
int depm3 = depth % 3;
int dep1m3 = (depth + 1) % 3;
int find = inv ? 0x3 : depm3;
int chk = inv ? depm3 : 0x3;
if (depth >= MAX_DEPTH - 1)
{
break;
}
for (int i_ = 0; i_ < N_EPRUN; i_ += 16)
{
int val = eprun[i_ >> 4];
if (!inv && val == -1)
{
continue;
}
for (int i = i_, end = i_ + 16; i < end; i++, val >>= 2)
{
if ((val & 0x3) != find)
{
continue;
}
int symcord1 = i / N_RAW;
int cord1 = sym2raw[symcord1];
int cord2 = i % N_RAW;
e.Set(cord1 * N_RAW + cord2);
for (int m = 0; m < 17; m++)
{
int cord1x = Getmvrot(e.Edge, m << 3, 4);
int symcord1x = Raw2sym[cord1x];
int symx = symcord1x & 0x7;
symcord1x >>= 3;
int cord2x = Getmvrot(e.Edge, m << 3 | symx, 10) % N_RAW;
int idx = symcord1x * N_RAW + cord2x;
if (GetPruning(eprun, idx) != chk)
{
continue;
}
SetPruning(eprun, inv ? i : idx, dep1m3);
done++;
if (inv)
{
break;
}
char symState = symstate[symcord1x];
if (symState == 1)
{
continue;
}
f.Set(e);
f.Move(m);
f.Rotate(symx);
for (int j = 1; (symState >>= 1) != 0; j++)
{
if ((symState & 1) != 1)
{
continue;
}
g.Set(f);
g.Rotate(j);
int idxx = symcord1x * N_RAW + g.Get(10) % N_RAW;
if (GetPruning(eprun, idxx) == chk)
{
SetPruning(eprun, idxx, dep1m3);
done++;
}
}
}
}
}
depth++;
}
}