Mario: don't let Mario go left

mario/mario_visitor.hpp

@@ -2,20 +2,35 @@
 #define MARIO_VISITOR_H
 
 #include "../sdlpp/sdlpp_visitor.hpp"
+#include "../sdlpp/sdlpp_geometry.hpp"
+#include <bits/stdint-uintn.h>
 
 class MarioVisitor : public SDLPP::Visitor {
 public:
     MarioVisitor() {}
-    virtual void visit( const SDLPP::RenderObject &obj );
+    virtual void visit( const SDLPP::RenderObject &obj ) override;
     bool isOnGround() {
         return onGround;
     }
     bool isDead() {
         return death;
     }
+    bool isStopped() {
+        return stop;
+    }
+    double newXPos() {
+        return newX;
+    }
+    virtual void fromId( uint64_t id ) override {
+        from = id;
+    }
+
 private:
     bool onGround = false;
     bool death = false;
+    bool stop = false;
+    double newX;
+    uint64_t from = -1;
 };
 
 #endif