feat(engine): hammer booster removes one cell, no scoring

2026-06-18 12:02:55 +09:00
parent 4cda34f0b7
commit 5aee503c09
2 changed files with 60 additions and 0 deletions
@@ -216,4 +216,15 @@ class GameEngine {
    }
    _phase = GamePhase.lost;
  }
+
+  /// Booster: empties one filled cell. No move/score/combo/objective effect.
+  /// Allowed only mid-attempt (playing or stuck). Returns false on an empty
+  /// cell or finished attempt so the caller keeps the booster.
+  bool useHammer(int x, int y) {
+    if (_phase == GamePhase.won || _phase == GamePhase.lost) return false;
+    if (!_grid.isOccupied(x, y)) return false;
+    _grid = _grid.withCell(x, y, const Cell(CellType.empty));
+    _checkStuck();
+    return true;
+  }
 }