Mario: turtle blocks initial version

mario/visitors/turtle_visitor.hpp

@@ -0,0 +1,86 @@
+#ifndef TURTLE_VISITOR_H
+#define TURTLE_VISITOR_H
+
+#include "../../sdlpp/sdlpp_visitor.hpp"
+#include "../../sdlpp/sdlpp_geometry.hpp"
+#include "../../sdlpp/sdlpp_scene.hpp"
+#include "../blocks.hpp"
+
+class TurtleVisitor : public SDLPP::Visitor {
+public:
+    TurtleVisitor() = delete;
+    TurtleVisitor(const SDLPP::Vec2D<double> &pos) : turtle_pos(pos) {}
+    void visit(const SDLPP::RenderObject &obj) override;
+    bool isOnGround() const {
+        return onGround;
+    }
+    bool isDead() const {
+        return death;
+    }
+    bool instantDeath() const {
+        return instant_death;
+    }
+    void setFromId(uint64_t id) override {
+        from = id;
+    }
+    void setVisitorType(uint64_t type) override {
+        _type = type;
+    }
+    uint64_t getVisitorType() const override {
+        return _type;
+    }
+    uint64_t getFromId() const override {
+        return from;
+    }
+    bool canGoLeft() const {
+        return !left;
+    }
+    bool canGoRight() const {
+        return !right;
+    }
+    double getGroundY() const {
+        return groundY;
+    }
+    bool topBlock() const {
+        return top_hit;
+    }
+
+    const SDLPP::Vec2D<double> &getMovementBlockage() {
+        return movement_blockage;
+    }
+    double getValidXPos() const {
+        return validXPos;
+    }
+    bool switchMovement() const {
+        return switch_movement;
+    }
+    double getNextMovement() const {
+        return next_movement;
+    }
+    double getTurtleHitValidPos() const {
+        return valid_turtle_hit_pos;
+    }
+    bool shouldBounce() const {
+        return bounce;
+    }
+
+private:
+    bool onGround = false;
+    double groundY = 0;
+    uint64_t _type{};
+    bool death = false;
+    bool instant_death = false;
+    uint64_t from = -1;
+    bool left = false;
+    bool right = false;
+    bool top_hit = false;
+    bool bounce = false;
+    SDLPP::Vec2D<double> movement_blockage;
+    double validXPos = 0;
+    const SDLPP::Vec2D<double> turtle_pos;
+    bool switch_movement = false;
+    double next_movement = 0;
+    double valid_turtle_hit_pos = 0;
+};
+
+#endif