feat: support any-matching feature (*) in Tile

1 files changed, 5 insertions, 0 deletions

diff --git a/src/board.c b/src/board.c
index a09b45c..92420ed 100644
--- a/src/board.c
+++ b/src/board.c
@@ -59,6 +59,11 @@ void traverse_structure(int group, int index, BoardUnit* board) {
     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) {
+      board[new_unit].feature = board[index].feature;
+      traverse_structure(group, new_unit, board);
+      board[new_unit].feature = '*';
+    }
   }
 }