Keep track of virginity of back-rank pieces in variant seirawan

[xboard.git] / common.h

diff --git a/common.h b/common.h
index 09be05a..c657ef7 100644 (file)
--- a/common.h
+++ b/common.h
@@ -132,10 +132,13 @@ int pclose(FILE *);
 #define BOARD_LEFT   (gameInfo.holdingsWidth)  /* [HGM] play-board edges     */
 #define BOARD_RGHT   (gameInfo.boardWidth + gameInfo.holdingsWidth)
 #define CASTLING     (BOARD_RANKS-1)           /* [HGM] hide in upper rank   */
+#define VIRGIN       (BOARD_RANKS-2)           /* [HGM] pieces not moved     */
 #define EP_STATUS    CASTLING][(BOARD_FILES-2) /* [HGM] in upper rank        */
 #define HOLDINGS_SET CASTLING][(BOARD_FILES-1) /* [HGM] in upper-right corner*/
 #define ONE          ('1'-(BOARD_HEIGHT>9))    /* [HGM] foremost board rank  */
 #define AAA          ('a'-BOARD_LEFT)          /* [HGM] leftmost board file  */
+#define VIRGIN_W                 1             /* [HGM] flags in Board[VIRGIN][X] */
+#define VIRGIN_B                 2
 #define DROP_RANK               -3
 #define MAX_MOVES              1000
 #define MSG_SIZ                        512