public static void PrecalcStep()
{
for (var j = 0; j < 64; j++)
{
var f = new StepFromPosition(4);
var x = j >> 3;
var y = j & 7;
for (var i = 0; i < 4; i++)
{
var nx = x + _dx[i];
var ny = y + _dy[i];
Ray last = null;
if (nx >= 0 && nx < 8 && ny >= 0 && ny < 8)
{
var s = new Step(x, y, nx, ny);
var r = new Ray(s);
f.Rays[i] = r;
last = r;
f.Attack.Add((nx << 3) + ny, i);
}
nx += _dx[i];
ny += _dy[i];
while (nx >= 0 && nx < 8 && ny >= 0 && ny < 8)
{
var s = new Step(x, y, nx, ny);
f.Attack.Add((nx << 3) + ny, i);
var n = new Ray(s);
last.NextRay = n;
last = n;
nx += _dx[i];
ny += _dy[i];
}
}
pSteps[j] = f;
}
}
public Ray(Step s, Ray next = null)
{
step = s;
NextRay = next;
}