feat: support separator (+) feature

1 files changed, 8 insertions, 4 deletions

diff --git a/src/board.c b/src/board.c
index 92420ed..cc16e06 100644
--- a/src/board.c
+++ b/src/board.c
@@ -58,11 +58,10 @@ void traverse_structure(int group, int index, BoardUnit* board) {
     int new_unit = index + NEIGHBOR_INCREMENTS[i];
     if (board[new_unit].feature == board[index].feature && board[new_unit].structure_group == 0) {
       traverse_structure(group, new_unit, board);
-    }
-    else if (board[new_unit].feature == '*' && board[new_unit].structure_group != board[index].structure_group) {
+    } else if (board[new_unit].feature == ANY && board[new_unit].structure_group != board[index].structure_group) {
       board[new_unit].feature = board[index].feature;
       traverse_structure(group, new_unit, board);
-      board[new_unit].feature = '*';
+      board[new_unit].feature = ANY;
     }
   }
 }
@@ -72,7 +71,12 @@ void refresh_structure_groups(BoardUnit* board) {
 
   int structure_group = 1;
   for (int i = 0; i < BOARD_UNITS; i++) {
-    if (board[i].structure_group == 0 && board[i].feature != EMPTY && board[i].feature != 'F') {
+    if (
+      board[i].structure_group == 0
+      && board[i].feature != EMPTY
+      && board[i].feature != SEPARATOR
+      && board[i].feature != 'F'
+    ) {
       traverse_structure(structure_group, i, board);
       structure_group += 1;
     }