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

2 files changed, 6 insertions, 1 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 = '*';
+    }
   }
 }
 
diff --git a/src/main.c b/src/main.c
index da5d3b5..a538675 100644
--- a/src/main.c
+++ b/src/main.c
@@ -50,7 +50,7 @@ int main() {
     { "RRRR", 'R', 0 },
     { "FCCC", 'C', 0 },
     { "FFFC", 'C', 0 },
-    { "CCRR", 'C', 0 },
+    { "CCRR", '*', 0 },
     { "RFRF", 'R', 0 }
   };