diff options
Diffstat (limited to 'include/tak.h')
| -rw-r--r-- | include/tak.h | 53 |
1 files changed, 27 insertions, 26 deletions
diff --git a/include/tak.h b/include/tak.h index 26f4ae6..9f458f6 100644 --- a/include/tak.h +++ b/include/tak.h @@ -49,60 +49,61 @@ enum WIN_TYPE { typedef uint8_t data_t; typedef uint16_t colour_stack_t; +typedef struct tak_state_s { + data_t celldat[36]; + colour_stack_t colours[36]; + enum WIN_TYPE won; + enum COLOUR current_colour; + uint8_t white_count, black_count, ply, board_size; +} * tak_state_p; + #define NUM_SHIFT 4 #define NUM_MASK (0xF << NUM_SHIFT) // 0b11110000 #define NUM_INC (0x1 << NUM_SHIFT) // 0b00010000 #define STONE_MASK 3 // 0b00000011 -#define STONE_AT(l) (celldat[(l)] & STONE_MASK) -#define COUNT_AT(l) (celldat[(l)] >> NUM_SHIFT) -#define THE_COORDS(col, row) ((col) + (row)*board_size) - -// =================================================================== -// Variables -// =================================================================== - -// NOTE: We only support one capstone per player and 5s or 6s games. - -extern enum WIN_TYPE won; -extern uint8_t board_size; -extern data_t celldat[36]; -extern colour_stack_t colours[36]; -extern enum COLOUR current_colour; -extern uint8_t white_count, black_count, ply; +#define STONE_AT(state, l) (state->celldat[(l)] & STONE_MASK) +#define COUNT_AT(state, l) (state->celldat[(l)] >> NUM_SHIFT) +#define THE_COORDS(board_size, col, row) ((col) + (row)*board_size) // =================================================================== // Methods // =================================================================== +tak_state_p new_tak_state(const uint8_t board_size); +void free_tak_state(tak_state_p state); + // ------------------------------------------------------------------- // Game state -void reset_state(const uint8_t new_board_size); -void next_ply(void); +void reset_state(tak_state_p state, const uint8_t new_board_size); +void next_ply(tak_state_p state); -enum ACT_RESULT try_place(const int8_t location, const enum COLOUR colour, +enum ACT_RESULT try_place(tak_state_p state, const int8_t location, + const enum COLOUR colour, const enum STONE_VARIANT stone); -enum ACT_RESULT try_move(const int8_t location, +enum ACT_RESULT try_move(tak_state_p state, const int8_t location, const enum MOVE_DIRECTION direction, const uint8_t steps, const uint8_t drops[5]); -enum WIN_TYPE check_win(void); +enum WIN_TYPE check_win(tak_state_p state); // ------------------------------------------------------------------- // PTN related -enum PTN_RESULT parse_place(char *in_ptn, uint8_t *out_location, +enum PTN_RESULT parse_place(const uint8_t board_size, char *in_ptn, + uint8_t *out_location, enum STONE_VARIANT *out_stone); -enum PTN_RESULT parse_move(char *in_ptn, uint8_t *out_location, +enum PTN_RESULT parse_move(const uint8_t board_size, char *in_ptn, + uint8_t *out_location, enum MOVE_DIRECTION *out_direction, uint8_t *out_steps, uint8_t out_drops[5]); -void generate_place(const uint8_t in_location, +void generate_place(const uint8_t board_size, const uint8_t in_location, const enum STONE_VARIANT in_stone, char out_ptn[4]); -void generate_move(const uint8_t in_location, +void generate_move(const uint8_t board_size, const uint8_t in_location, const enum MOVE_DIRECTION in_direction, const uint8_t in_steps, const uint8_t in_drops[5], char out_ptn[10]); @@ -110,5 +111,5 @@ void generate_move(const uint8_t in_location, // ------------------------------------------------------------------- // Game driver -enum ACT_RESULT do_ptn(char *ptn); +enum ACT_RESULT do_ptn(tak_state_p state, char *ptn); #endif |