X-Git-Url: https://git.cworth.org/git?a=blobdiff_plain;f=dvonn-board.h;h=7a361c3e6e3f3ebc2bdb415f9bae69352b096414;hb=ad4d9127c5dd419f84da2329c60b3f785c068e66;hp=b0ee8cc46a449dfd5d7d4f4201b68140520567fe;hpb=0eff3c58b93ea73e7f1aa866f6e317714479dd6e;p=dvonn

diff --git a/dvonn-board.h b/dvonn-board.h
index b0ee8cc..7a361c3 100644
--- a/dvonn-board.h
+++ b/dvonn-board.h
@@ -45,6 +45,7 @@ typedef enum {
 typedef struct {
     dvonn_cell_type_t type;
     int height;
+    dvonn_bool_t contains_red;
 } dvonn_cell_t;
 
 #define DVONN_BOARD_X_SIZE 11
@@ -87,4 +88,23 @@ dvonn_board_move (dvonn_board_t *board,
 		int x2, int y2,
 		char **error);
 
+/* Pass rather than moving, allowing the turn to pass to the
+ * opponent. This should only be allowed if there are no legal moves,
+ * but that is not yet enforced. Returns TRUE if the pass succeeds. */
+int
+dvonn_board_pass (dvonn_board_t *board);
+
+/* Is the cell at (x,y) occupied by a piece. Returns FALSE for all
+ * out-of-bounds coordinates. */
+dvonn_bool_t
+dvonn_board_cell_occupied (dvonn_board_t *board,
+			   int x, int y);
+
+/* Is the cell at (x,y) surrounded by other pieces, (such that it is
+ * not legal for a piece at (x,y) to move. */
+dvonn_bool_t
+dvonn_board_cell_surrounded (dvonn_board_t *board,
+			     int x, int y);
+
+
 #endif