Mario: top collision detection

mario/mario_visitor.hpp

@@ -41,6 +41,9 @@ public:
     double getGroundY() {
         return groundY;
     }
+    bool topBlock() {
+        return top_hit;
+    }
 
 private:
     bool onGround = false;
@@ -52,6 +55,7 @@ private:
     bool left = false;
     bool right = false;
     uint64_t _type = 0;
+    bool top_hit = false;
 };
 
 #endif