X-Git-Url: https://git.cworth.org/git?p=dvonn;a=blobdiff_plain;f=dvonn-board.h;h=a150b2541f7fdc5fe9566fded72662d6bec196d0;hp=2971a2738e31262c5658b8c944a74933c81d7f81;hb=HEAD;hpb=1e29ece3252138d372b47499dd4c77f01413c7fc

diff --git a/dvonn-board.h b/dvonn-board.h
index 2971a27..a150b25 100644
--- a/dvonn-board.h
+++ b/dvonn-board.h
@@ -53,7 +53,8 @@ typedef struct {
 
 typedef enum {
     DVONN_PHASE_PLACEMENT,
-    DVONN_PHASE_MOVEMENT
+    DVONN_PHASE_MOVEMENT,
+    DVONN_PHASE_GAME_OVER
 } dvonn_phase_t;
 
 typedef struct {
@@ -61,6 +62,7 @@ typedef struct {
     dvonn_phase_t phase;
     dvonn_player_t player;
     int moves;
+    int score[2]; /* index by dvonn_player_t */
 } dvonn_board_t;
 
 /* Initialize a board for a new game of DVONN. */
@@ -88,4 +90,24 @@ dvonn_board_move (dvonn_board_t *board,
 		int x2, int y2,
 		char **error);
 
+/* 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) occupied by a piece (or stack) with the given
+ * player's piece at the top. Returns FALSE for all out-of-bounds
+ * coordinates. */
+dvonn_bool_t
+dvonn_board_cell_owned_by (dvonn_board_t *board,
+			   int x, int y, dvonn_player_t player);
+
+/* 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