tree_garbage_collect: prune less aggressively (ok to copy more while pondering).
[pachi/ann.git] / engine.h
blob42e0976faf1a34458a0591604f2b786473f029ba
1 #ifndef ZZGO_ENGINE_H
2 #define ZZGO_ENGINE_H
4 #include "board.h"
5 #include "move.h"
7 /* Used to signal the main loop that the engine structures need to be reset
8 * (for fresh board). */
9 extern bool engine_reset;
11 struct engine;
12 struct move_queue;
13 struct time_info;
15 typedef char *(*engine_notify_play)(struct engine *e, struct board *b, struct move *m);
16 typedef char *(*engine_chat)(struct engine *e, struct board *b, char *cmd);
17 /* Generate a move. If pass_all_alive is true, <pass> shall be generated only
18 * if all stones on the board can be considered alive, without regard to "dead"
19 * considered stones. */
20 typedef coord_t *(*engine_genmove)(struct engine *e, struct board *b, struct time_info *ti, enum stone color, bool pass_all_alive);
21 /* One dead group per queued move (coord_t is (ab)used as group_t). */
22 typedef void (*engine_dead_group_list)(struct engine *e, struct board *b, struct move_queue *mq);
23 /* e->data and e will be free()d by caller afterwards. */
24 typedef void (*engine_done)(struct engine *e);
26 /* This is engine data structure. A new engine instance is spawned
27 * for each new game during the program lifetime. */
28 struct engine {
29 char *name;
30 char *comment;
32 /* If set, do not reset the engine state on clear_board. */
33 bool keep_on_clear;
35 board_cprint printhook;
36 engine_notify_play notify_play;
37 engine_chat chat;
38 engine_genmove genmove;
39 engine_dead_group_list dead_group_list;
40 engine_done done;
41 void *data;
44 #endif