Mario: add mushroom block

mario/visitors/mushroom_visitor.hpp

@@ -0,0 +1,56 @@
+#ifndef MUSHROOM_VISITOR_H
+#define MUSHROOM_VISITOR_H
+
+#include "../../sdlpp/sdlpp_visitor.hpp"
+#include "../../sdlpp/sdlpp_geometry.hpp"
+#include "../../sdlpp/sdlpp_scene.hpp"
+#include "../blocks.hpp"
+
+class MushroomVisitor : public SDLPP::Visitor {
+public:
+    MushroomVisitor() = default;
+    void visit( const SDLPP::RenderObject &obj ) override;
+    bool isOnGround() const {
+        return onGround;
+    }
+    void setFromId( uint64_t id ) override {
+        from = id;
+    }
+    uint64_t getFromId() const override {
+        return from;
+    }
+    void setVisitorType( uint64_t type ) override {
+        _type = type;
+    }
+    uint64_t getVisitorType() const override {
+        return _type;
+    }
+    bool canGoLeft() const {
+        return !left;
+    }
+    bool canGoRight() const {
+        return !right;
+    }
+    double getGroundY() const {
+        return groundY;
+    }
+    const SDLPP::Vec2D<double> &getMovementBlockage() {
+        return movement_blockage;
+    }
+    bool getDeath() {
+        return death;
+    }
+
+private:
+    bool onGround = false;
+    double groundY = 0;
+    bool stop = false;
+    bool left = false;
+    bool right = false;
+    SDLPP::Vec2D<double> movement_blockage;
+    uint64_t from{};
+    uint64_t _type{};
+    bool death = false;
+};
+
+#endif