joseki/base.c

   1 #include <assert.h>
   2 #include <stdio.h>
   3 #include <stdlib.h>
   4
   5 #include "board.h"
   6 #include "debug.h"
   7 #include "move.h"
   8 #include "joseki/base.h"
   9
  10
  11 struct joseki joseki_pats[1 << joseki_hash_bits];
  12
  13 void
  14 joseki_load(void)
  15 {
  16         FILE *f = fopen("pachijoseki.dat", "r");
  17         if (!f) return;
  18
  19         char linebuf[1024];
  20         while (fgets(linebuf, 1024, f)) {
  21                 char *line = linebuf;
  22
  23                 hash_t h = strtoull(line, &line, 16);
  24                 while (isspace(*line)) line++;
  25                 enum stone color = *line++ == 'b' ? S_BLACK : S_WHITE;
  26                 while (isspace(*line)) line++;
  27
  28                 /* Get count. */
  29                 char *cs = strrchr(line, ' '); assert(cs);
  30                 *cs++ = 0;
  31                 int count = atoi(cs);
  32
  33                 coord_t **ccp = &joseki_pats[h].moves[color - 1];
  34                 assert(!*ccp);
  35                 *ccp = calloc2(count + 1, sizeof(coord_t));
  36                 coord_t *cc = *ccp;
  37                 while (*line) {
  38                         assert(cc - *ccp < count);
  39                         coord_t *c = str2coord(line, 21 /* XXX */);
  40                         *cc++ = *c;
  41                         coord_done(c);
  42                         line += strcspn(line, " ");
  43                         line += strspn(line, " ");
  44                 }
  45                 *cc = pass;
  46         }
  47
  48         fclose(f);
  49 }