private unsafe void HalfKpAppendActiveIndices(NnuePosition pos, int c, ref IndexList2 active)
{
int ksq = pos.Squares[c];
ksq = orient(c, ksq);
for (int i = 2; pos.Pieces[i] != 0; i++)
{
int sq = pos.Squares[i];
int pc = pos.Pieces[i];
active.values[active.size++] = make_index(c, sq, pc, ksq);
}
}
private unsafe void HaldKpAppendChangedIndices(NnuePosition pos, byte color, NnueDirtyPiece dirtyPiece, ref IndexList2 removed, ref IndexList2 added)
{
int ksq = pos.Squares[color];
ksq = orient(color, ksq);
for (int i = 0; i < dirtyPiece.dirtyNum; i++)
{
var pc = dirtyPiece.pc[i];
if (IsKing(pc))
{
continue;
}
if (dirtyPiece.from[i] != 64)
{
removed.values[removed.size++] = make_index(color, dirtyPiece.from[i], pc, ksq);
}
if (dirtyPiece.to[i] != 64)
{
added.values[added.size++] = make_index(color, dirtyPiece.to[i], pc, ksq);
}
}
}
