From f27a2ebf967d568ba286085ab3cf112c41cbcd4b Mon Sep 17 00:00:00 2001 From: Gabriel Tofvesson Date: Thu, 27 Feb 2020 21:37:43 +0100 Subject: [PATCH] Improve board types --- board.h | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) diff --git a/board.h b/board.h index b8a6d52..3bbd40e 100644 --- a/board.h +++ b/board.h @@ -4,16 +4,24 @@ * Created by Gabriel Tofvesson */ +#include +/** + * Get a `struct board_element`-entry from a specified location on the board + */ +#define BOARD_ELEM(board_ptr, x, y) (&(board_ptr)->elements[((y) * 9) + (x)]) + +typedef unsigned short int board_pos; +typedef unsigned char element_value; /** * Simple definition of a board element. Vaild values range: 0-8 */ struct board_element { - unsigned char has_value : 1; /* Whether element has a decided value */ + bool has_value : 1; /* Whether element has a decided value */ union { - unsigned char value : 4; /* Value of element */ + element_value value : 4; /* Value of element */ unsigned short potential : 9; /* Bitfield of possible values */ }; };