int
does_surround(int move, int dr)
{
if (DRAGON2(dr).surround_status)
return 0;
return compute_surroundings(dr, move, 0, NULL);
}
void
decide_surrounded(int pos)
{
int surround_status;
if (board[pos] == EMPTY) {
fprintf(stderr, "location must not be empty!\n");
return;
}
/* Prepare pattern matcher and reading code. */
reset_engine();
silent_examine_position(board[pos], EXAMINE_ALL);
surround_status = compute_surroundings(pos, NO_MOVE, 1, NULL);
if (surround_status == 1)
gprintf("the dragon at %1m is SURROUNDED!\n", pos);
else if (surround_status == 2)
gprintf("the dragon at %1m is WEAKLY SURROUNDED!\n", pos);
else
gprintf("the dragon at %1m is not surrounded.\n", pos);
}