void getmovesk(int f, int r, int c)
{
int df, dr, nf, nr;
int o;
chesspiece p;
square s1 = SQ(f,r);
o = opp(c);
for (df=-1; df<2; df++)
for (dr=-1; dr<2; dr++)
{
if (!df && !dr) continue;
nf = f+df;
nr = r+dr;
p = getpiece(nf, nr);
if (!offboardp(nf, nr) && (!p || (c != chesspiececolor(p))))
pushmove(MV(s1, SQ(nf, nr)));
}
if (c==WHITE)
{
if (wqcastlep()&&
!getpiece__(D1)&&
!getpiece__(C1)&&
!getpiece__(B1)&&
!incheckp(c)&&
!wouldbeincheckp(THRUWQ))
{
pushmove(WQC);
}
if (wkcastlep()&&
!getpiece__(F1)&&
!getpiece__(G1)&&
!incheckp(c)&&
!wouldbeincheckp(THRUWK))
{
pushmove(WKC);
}
}
else
{
if (bqcastlep()&&
!getpiece__(D8)&&
!getpiece__(C8)&&
!getpiece__(B8)&&
!incheckp(c)&&
!wouldbeincheckp(THRUBQ))
{
pushmove(BQC);
}
if (bkcastlep()&&
!getpiece__(F8)&&
!getpiece__(G8)&&
!incheckp(c)&&
!wouldbeincheckp(THRUBK))
{
pushmove(BKC);
}
}
}
/* returns -1 for stalemate or winner's color */
int playchess()
{
int use_pondering = 0;
printboard_and_time();
for (;;)
{
long starttime, endtime;
move m;
int g;
g = gameoverp(tomove());
if (g)
{
switch (g)
{
case END_CHECKMATE:
if (tomove() == BLACK)
{
return end(WHITE, "white mates");
}
else
{
return end(BLACK, "black mates");
}
case END_STALEMATE:
return end(-1, "stalemate");
case NON_MATERIAL:
return end(-1, "insufficient material");
case REP_DRAW:
if (!robo_mode)
{
printf("drawable position\n");
}
if (computer[WHITE]||computer[BLACK])
{
if (robo_mode)
tellics("draw\n");
return end(-1, "draw by repetition of moves");
}
break;
}
}
starttime = get_ms();
if (computer[tomove()])
{
m = bce();
if ((m!=dummymove)&&(validmove(m)==1))
{
printf("move %s\n", movestring(m));
}
else
{
if (robo_mode)
{
tellics("mailmoves\n");
tellics(
"message madhacker valid? = %d, move = %s, wouldbeincheckp() = %d, wouldbeinfullcheckp() = %d, pv = %s\n",
validmove(m),
movestring(m),
wouldbeincheckp(m),
wouldbeincheckfullp(m),
thoughts);
tellics("abort\n");
}
else
{
printf("BCE returned invalid move: %s\n", movestring(m));
printf("valid? = %d\n", validmove(m));
fprintf(stdout, "random seed = %ld\n", seed);
fprintf(stdout, "hash = %lld\n", board->hash);
fprintf(stdout, "draw? = %d g = %d\n",
draw_by_rep(), g);
computer[1] = computer[0] = 0;
}
}
use_pondering = 1;
}
else
{
if ((ponder_mode && computer[opp(tomove())])&&
use_pondering)
{
ponder();
use_pondering = 0;
}
m = usermove();
use_pondering = 0;
}
endtime = get_ms();
chessclock[tomove()] -= (endtime-starttime);
chessclock[tomove()] += clockinc;
if (m)
{
domove(m);
update_state(m);
printboard_and_time();
}
}
}
