+unsigned int eval_winner(unsigned int nb_white, unsigned int nb_black) {
+
+ if (nb_white > nb_black) {
+ return player_two;
+ } else if (nb_white < nb_black) {
+ return player_one;
+ } else {
+ return 0;
+ }
+}
+
+static unsigned int count_pawn_to_reverse_one_direction(int y, int x, int direction, unsigned int current_player, unsigned int pawn_array[board_size][board_size]) {
+ unsigned int nb_pawns_reversed = 0;
+ int moving_y = y, moving_x = x;
+
+ /* count the pawns to reverse in the chosen direction */
+ direction_to_coordinates(direction, &moving_y, &moving_x);
+ while (true) {
+ if (!is_valid_coordinates(moving_y, moving_x) || is_box_type(moving_y, moving_x, pawn_array, empty)) {
+ return 0;
+ }
+ if (is_box_type(moving_y, moving_x, pawn_array, current_player)) {
+ break;
+ }
+ nb_pawns_reversed++;
+ direction_to_coordinates(direction, &moving_y, &moving_x);
+ }
+ return nb_pawns_reversed;
+}
+
+/* revert the pawns if needed in one direction */
+static unsigned int reverse_one_direction(int y, int x, int direction, unsigned int current_player, unsigned int pawn_array[board_size][board_size], bool dry_run) {
+ unsigned int nb_pawns_reversed = 0;
+ int moving_y = y, moving_x = x;