diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/hybbx/chess.h | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/include/hybbx/chess.h b/include/hybbx/chess.h new file mode 100644 index 0000000..beb1fe9 --- /dev/null +++ b/include/hybbx/chess.h @@ -0,0 +1,105 @@ +#ifndef HYBBX_CHESS_H +#define HYBBX_CHESS_H + +#include "hybbx/types.h" +#include "hybbx/limits.h" +#include "hybbx/storage.h" + +#ifdef __cplusplus +extern "C" { +#endif + +#define CHESS_BOARD_SIZE 8 +#define CHESS_SQ_MAX 4 +#define CHESS_MOVE_MAX 8 +#define CHESS_SAN_MAX 8 +#define CHESS_GAME_MAX 16 /* array upper bound */ +#define CHESS_SPECTATOR_MAX 32 +#define CHESS_REFRESH_SEC 15 +#define CHESS_DEFAULT_MAX 8 /* default active games if INI omits [chess] */ + +#define CHESS_EMPTY '.' + +typedef enum { + CHESS_COLOR_NONE = 0, + CHESS_WHITE, + CHESS_BLACK +} chess_color_t; + +typedef enum { + CHESS_RESULT_NONE = 0, + CHESS_WHITE_WINS, + CHESS_BLACK_WINS, + CHESS_DRAW_STALEMATE, + CHESS_DRAW_AGREEMENT +} chess_result_t; + +typedef struct chess_board { + char sq[CHESS_BOARD_SIZE][CHESS_BOARD_SIZE]; +} chess_board_t; + +typedef struct chess_game { + int active; + char white_name[HYBBX_USER_NAME_MAX]; + char black_name[HYBBX_USER_NAME_MAX]; + struct hybbx_session *white_session; + struct hybbx_session *black_session; + struct hybbx_session *spectators[CHESS_SPECTATOR_MAX]; + unsigned spectator_count; + chess_board_t board; + chess_color_t turn; + unsigned move_number; + chess_result_t result; + char last_move_san[CHESS_SAN_MAX]; + unsigned tick_counter; + char game_id[8]; +} chess_game_t; + +void hybbx_chess_init(void); +void hybbx_chess_shutdown(void); +void hybbx_chess_config_apply(const struct hybbx_config *config); +unsigned hybbx_chess_max_games(void); +void hybbx_chess_shutdown(void); + +chess_game_t *hybbx_chess_create_game(struct hybbx_session *white, + const char *white_name); +chess_game_t *hybbx_chess_find_open_game(void); +chess_game_t *hybbx_chess_find_game_by_id(const char *id); +chess_game_t *hybbx_chess_get_game(unsigned index); +int hybbx_chess_join_game(chess_game_t *game, + struct hybbx_session *black, + const char *black_name); +int hybbx_chess_add_spectator(chess_game_t *game, + struct hybbx_session *spec); +void hybbx_chess_remove_spectator(chess_game_t *game, + struct hybbx_session *spec); +int hybbx_chess_is_player(const chess_game_t *game, + const struct hybbx_session *session); +int hybbx_chess_is_spectator(const chess_game_t *game, + const struct hybbx_session *session); +chess_color_t hybbx_chess_player_color(const chess_game_t *game, + const struct hybbx_session *session); +int hybbx_chess_make_move(chess_game_t *game, + const char *from, const char *to, + char promote, char *err, size_t errlen); +void hybbx_chess_render_board(const chess_board_t *board, + struct hybbx_session *session, + const char *label); +void hybbx_chess_send_board(chess_game_t *game, + struct hybbx_session *session); +void hybbx_chess_tick(struct hybbx_service *service); +void hybbx_chess_resign(chess_game_t *game, + struct hybbx_session *who); +void hybbx_chess_offer_draw(chess_game_t *game, + struct hybbx_session *who); + +/* Command handler - called from command.c dispatch */ +hybbx_result_t cmd_chess(struct hybbx_service *service, + struct hybbx_session *session, + const struct hybbx_parsed_command *cmd); + +#ifdef __cplusplus +} +#endif + +#endif /* HYBBX_CHESS_H */ |