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castling: lowercase macros, nove-{do,undo}: full (untested) version

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Bruno Raoult
2024-03-20 10:00:07 +01:00
parent 3a06407d5a
commit 51c35e21f4
2 changed files with 116 additions and 164 deletions
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21
src/chessdefs.h
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@@ -57,20 +57,23 @@ typedef enum {
CASTLE_W = (CASTLE_WK | CASTLE_WQ), /* 00000011 W castle mask */
CASTLE_B = (CASTLE_BK | CASTLE_BQ), /* 00001100 B castle mask */
CASTLE_K = (1 << 0), /* generic K/Q, after doing : */
CASTLE_Q = (1 << 1), /* flags >> (2 * color) */
CASTLE_K = (1 << 0), /* generic K/Q, bits 0 and 1 */
CASTLE_Q = (1 << 1),
CASTLE_KQ = (CASTLE_K |CASTLE_Q)
} castle_rights_t;
/* determine is oo or ooo is possible with castle flags f and color c
*/
#define NORM_CASTLE(f, c) ((f) >> (2 * (c))) /* shift flags to bits 0/1 */
#define CAN_OO(f, c) (NORM_CASTLE(f, c) & CASTLE_K)
#define CAN_OOO(f, c) (NORM_CASTLE(f, c) & CASTLE_Q)
#define CAN_CASTLE(f, c) (CAN_OO(f, c) | CAN_OOO(f, c))
//#define NORM_CASTLE(f, c) ((f) >> (2 * (c))) /* shift flags to bits 0/1 */
//#define
//(NORM_CASTLE(f, c) & CASTLE_Q)
#define can_oo(f, c) ((f) & (CASTLE_K << ((c) * 2)))
#define can_ooo(f, c) ((f) & (CASTLE_Q << ((c) * 2)))
#define can_castle(f, c) ((f) & (CASTLE_KQ << ((c) * 2)))
#define CLR_OO(f, c) (f & ~(CASTLE_K << (2 * (c))))
#define CLR_OOO(f, c) (f & ~(CASTLE_Q << (2 * (c))))
#define CLR_OO_OOO(f, c) (f & ~((CASTLE_K | CASTLE_Q) << (2 * (c)) ))
#define clr_oo(f, c) ((f) & ~(CASTLE_K << (2 * (c))))
#define clr_ooo(f, c) ((f) & ~(CASTLE_Q << (2 * (c))))
#define clr_castle(f, c) ((f) & ~(CASTLE_KQ << (2 * (c)) ))
/* game phases
*/