X-Git-Url: https://git.draconx.ca/gitweb/rrace.git/blobdiff_plain/366b1a5719699e7b6daf2c4ebafbebab78cb5128..a3f2189bfac7e5b1acdf3640cd3b50a7a6636906:/src/game.h

diff --git a/src/game.h b/src/game.h
index f4473a7..d17eb99 100644
--- a/src/game.h
+++ b/src/game.h
@@ -42,11 +42,11 @@ struct board {
 	 * corresponds to position (0,0), bit 4 is position (4,0) and bit 25
 	 * is position (4, 4).
 	 *
-	 *   game[0] - the board mask, all bits set except one indicating the
+	 *   game[0] - least significant bit of the tile's colour.
+	 *   game[1] - tile colour.
+	 *   game[2] - most significant bit of the tile's colour.
+	 *   game[3] - the board mask, all bits set except one indicating the
 	 *             absense of a tile at this position.
-	 *   game[1] - least significant bit of the tile's colour.
-	 *   game[2] - tile colour.
-	 *   game[3] - most significant bit of the tile's colour.
 	 */
 	uint_least32_t game[4];
 
@@ -119,6 +119,11 @@ static inline uint_fast32_t board_mask_v(int x, int y0, int y1)
  */
 int game_do_move(struct board *board, int x, int y);
 
+/*
+ * Returns 1 if the game is in a winning position, or 0 otherwise.
+ */
+int game_check_goal(struct board *board);
+
 /*
  * Initialize the game RNG such that the next call to game_reset will produce a
  * new board that is entirely dependent on the given seed value.
@@ -130,4 +135,9 @@ void game_reseed(unsigned long long seed);
  */
 void game_reset(struct board *board);
 
+/*
+ * Disable new moves and clear all tile bits other than the 9 goal tiles.
+ */
+void game_finish(struct board *board);
+
 #endif