random/random.c

   1 #include <stdio.h>
   2 #include <stdlib.h>
   3
   4 #include "board.h"
   5 #include "engine.h"
   6 #include "move.h"
   7 #include "random/random.h"
   8
   9 static coord_t *
  10 random_genmove(struct engine *e, struct board *b, enum stone color)
  11 {
  12         coord_t coord;
  13         board_play_random(b, color, &coord, NULL, NULL);
  14         if (!group_at(b, coord)) {
  15                 /* This was suicide. Just pass. */
  16                 /* XXX: We should check for non-suicide alternatives. */
  17                 return coord_pass();
  18         }
  19
  20         return coord_copy(coord);
  21 }
  22
  23 struct engine *
  24 engine_random_init(char *arg)
  25 {
  26         struct engine *e = calloc(1, sizeof(struct engine));
  27         e->name = "RandomMove Engine";
  28         e->comment = "I just make random moves. I won't pass as long as there is a place on the board where I can play. When we both pass, I will consider all the stones on the board alive.";
  29         e->genmove = random_genmove;
  30
  31         if (arg)
  32                 fprintf(stderr, "Random: I support no engine arguments\n");
  33
  34         return e;
  35 }