tactics/1lib.h

   1 #ifndef PACHI_TACTICS_1LIB_H
   2 #define PACHI_TACTICS_1LIB_H
   3
   4 /* One-liberty tactical checks (i.e. dealing with atari situations). */
   5
   6 #include "board.h"
   7 #include "debug.h"
   8
   9 struct move_queue;
  10
  11
  12 /* Can group @group usefully capture a neighbor ?
  13  * (usefully: not a snapback) */
  14 bool can_countercapture(struct board *b, group_t group, struct move_queue *q, int tag);
  15 /* Can group @group capture *any* neighbor ? */
  16 bool can_countercapture_any(struct board *b, group_t group, struct move_queue *q, int tag);
  17
  18 /* Examine given group in atari, suggesting suitable moves for player
  19  * @to_play to deal with it (rescuing or capturing it). */
  20 /* ladder != NULL implies to always enqueue all relevant moves. */
  21 void group_atari_check(unsigned int alwaysccaprate, struct board *b, group_t group, enum stone to_play,
  22                        struct move_queue *q, coord_t *ladder, bool middle_ladder, int tag);
  23
  24 #endif