1.1 --- a/src/chess/rules.h Mon Mar 31 14:08:00 2014 +0200
1.2 +++ b/src/chess/rules.h Mon Mar 31 15:03:25 2014 +0200
1.3 @@ -68,6 +68,7 @@
1.4
1.5 typedef uint8_t Board[8][8];
1.6
1.7 +
1.8 typedef struct {
1.9 uint8_t piece;
1.10 uint8_t fromfile;
1.11 @@ -80,6 +81,20 @@
1.12 _Bool capture;
1.13 } Move;
1.14
1.15 +typedef struct MoveList MoveList;
1.16 +
1.17 +struct MoveList {
1.18 + Move move;
1.19 + MoveList* next;
1.20 +};
1.21 +
1.22 +typedef struct {
1.23 + Board board;
1.24 + uint8_t mycolor;
1.25 + MoveList* movelist;
1.26 + MoveList* lastmove;
1.27 +} GameState;
1.28 +
1.29 #define POS_UNSPECIFIED UINT8_MAX
1.30 #define mdst(b,m) b[(m)->torow][(m)->tofile]
1.31 #define msrc(b,m) b[(m)->fromrow][(m)->fromfile]
1.32 @@ -102,6 +117,8 @@
1.33 #define fileidx_s(c) (isfile(c)?fileidx(c):POS_UNSPECIFIED)
1.34 #define rowidx_s(c) (isrow(c)?rowidx(c):POS_UNSPECIFIED)
1.35
1.36 +void gamestate_cleanup(GameState *gamestate);
1.37 +
1.38 /**
1.39 * Maps a character to a piece.
1.40 *
1.41 @@ -126,29 +143,28 @@
1.42 * Evaluates a move syntactically and stores the move data in the specified
1.43 * object.
1.44 *
1.45 - * @param board the current state of the board
1.46 - * @param mycolor the color of the current player
1.47 + * @param gamestate the current game state
1.48 * @param mstr the input string to parse
1.49 * @param move a pointer to object where the move data shall be stored
1.50 * @return status code (see rules/rules.h for the list of codes)
1.51 */
1.52 -int eval_move(Board board, uint8_t mycolor, char *mstr, Move *move);
1.53 +int eval_move(GameState *gamestate, char *mstr, Move *move);
1.54
1.55 /**
1.56 * Validates move by applying chess rules.
1.57 - * @param board the current board state
1.58 + * @param gamestate the current game state
1.59 * @param move the move to validate
1.60 * @return TRUE, if the move complies to chess rules, FALSE otherwise
1.61 */
1.62 -_Bool validate_move(Board board, Move *move);
1.63 +_Bool validate_move(GameState *gamestate, Move *move);
1.64
1.65 /**
1.66 * Applies a move and deletes captured pieces.
1.67 *
1.68 - * @param board the current board state
1.69 + * @param gamestate the current game state
1.70 * @param move the move to apply
1.71 */
1.72 -void apply_move(Board board, Move *move);
1.73 +void apply_move(GameState *gamestate, Move *move);
1.74
1.75 #endif /* RULES_H */
1.76
