1 files changed, 5 insertions, 1 deletions
diff --git a/src/sandbox.hpp b/src/sandbox.hpp
index 400f8ec..0ae8082 100644
--- a/src/sandbox.hpp
+++ b/src/sandbox.hpp
@@ -47,9 +47,13 @@ struct Sandbox {
 
     void simulate_step();
 
+    // "Get Sand"
     Tile& gs(int x, int y);
-    void set_sand(int x, int y, Tile sand);
+    // "Set Sand"
+    void ss(int x, int y, Tile sand);
     void shift_sand(int x, int y);
 
+    void mark_dirty(int x, int y); // UNCHECKED
+
     // std::vector<uint32_t> to_bitmap() const;
 };