feat: add coordinates translation

2 files changed, 12 insertions, 4 deletions

diff --git a/src/board.h b/src/board.h
index 924c226..d5fb2d0 100644
--- a/src/board.h
+++ b/src/board.h
@@ -20,6 +20,8 @@ void print_board(char* board);
 // Moves
 int is_allowed_placement(char* tile, int position, char* board);
 
+int translate_coordinate(int position);
+
 int is_center_position(int position);
 
 int place_tile(char* tile, int position, char* board);
diff --git a/src/main.c b/src/main.c
index f80e4f7..e29406e 100644
--- a/src/main.c
+++ b/src/main.c
@@ -69,6 +69,12 @@ void create_structure_mask(char* board, char* structures) {
   }
 }
 
+int translate_coordinate(int center_position) {
+  return (2 * (center_position / BOARD_WIDTH) + 1) *
+         (2 * BOARD_WIDTH + 1) +
+         (2 * (center_position % BOARD_WIDTH) + 1);
+}
+
 int main() {
   char board[BOARD_BYTES];
   char structures[BOARD_BYTES];
@@ -76,10 +82,10 @@ int main() {
   initialize_board(board);
   initialize_board(structures);
 
-  place_tile("RFRFR", 6, board);
-  place_tile("RCCRR", 8, board);
-  place_tile("RRFRF", 18, board);
-  place_tile("CFFCC", 16, board);
+  place_tile("RFRFR", translate_coordinate(0), board);
+  place_tile("RCCRR", translate_coordinate(1), board);
+  place_tile("CFFCC", translate_coordinate(2), board);
+  place_tile("RRFRF", translate_coordinate(3), board);
   create_structure_mask(board, structures);
 
   print_board(board);