Mario: add travelToPos function to blocks

mario/blocks.hpp

@@ -2,6 +2,7 @@
 #define BLOCKS_H
 
 #include "../sdlpp/sdlpp_rectrenderer.hpp"
+#include <SDL2/SDL_rect.h>
 #include <memory>
 
 struct LandType {
@@ -18,6 +19,7 @@ public:
     void setTool( bool tool = true );
     void setTerrain( bool terrain = true );
     void bounce();
+    void travelToPos(const SDLPP::Vec2D<double> &target);
     void custom_move( int ticks ) override;
     void setType( LandType::Value type );
     LandType::Value getType() const;
@@ -33,14 +35,33 @@ public:
     bool hasMushroom();
     void removeCoin();
     void removeMushroom();
+    void addMushroom();
     void setCoinCount( int coins );
     void setDestructible( bool destructible = true );
     void ensureCollision();
-    bool isBouncing();
+    bool isBouncing() const;
+    bool isTraveling() const;
+    void setBaseRect(SDL_Rect rect);
 
 protected:
     double bounce_speed = 0.5;
     int bounce_ticks = 100;
+    double travel_speed = bounce_speed;
+    void gravity(int ticks);
+    void setOnGround(bool on_ground = true) {
+        _on_ground = on_ground;
+        if(on_ground) {
+            setMovement(getMovement().getX(), 0);
+        }
+    }
+    bool isOnGround() const {
+        return _on_ground;
+    }
+    void setGravityTicks(int ticks) {
+        _base_gravity_ticks = ticks;
+    }
+
+    virtual void setWorldTypeSrc( LandType::Value world );
 
 private:
     bool _tool = false;
@@ -48,6 +69,7 @@ private:
     bool _destructible = false;
     bool _can_be_destroyed = false;
     bool _bouncing = false;
+    bool _traveling = false;
     int _coins = 0;
     bool _mushroom = false;
     bool _release_coin = false;
@@ -55,8 +77,12 @@ private:
     SDLPP::Vec2D< double > og_pos = {};
     LandType::Value _type;
     SDL_Rect _base_src;
+    SDLPP::Vec2D<double> _target = {0,0};
 
-    virtual void setWorldTypeSrc( LandType::Value world );
+    bool _on_ground = true;
+    int _base_gravity_ticks = 1000 / 60;
+    int _ticks_till_gravity = 0;
+    double _gravity_acceleration = 1.0/(64.0/7.0);
 };
 
 extern const std::vector< uint64_t > possibleBlocks;