propogate player smart-pointer usage

src/files/WorldFiles.cpp

@@ -559,11 +559,11 @@ bool WorldFiles::readWorldInfo(World* world) {
 	return true;
 }
 
-void WorldFiles::writePlayer(Player* player) {
+void WorldFiles::writePlayer(std::shared_ptr<Player> player) {
 	files::write_json(getPlayerFile(), player->serialize().release());
 }
 
-bool WorldFiles::readPlayer(Player* player) {
+bool WorldFiles::readPlayer(std::shared_ptr<Player> player) {
 	fs::path file = getPlayerFile();
 	if (!fs::is_regular_file(file)) {
 		std::cerr << "warning: player.json does not exists" << std::endl;

src/files/WorldFiles.h

@@ -143,13 +143,13 @@ public:
 	chunk_inventories_map fetchInventories(int x, int z);
 
 	bool readWorldInfo(World* world);
-	bool readPlayer(Player* player);
+	bool readPlayer(std::shared_ptr<Player> player);
 
 	void writeRegion(int x, int y, 
 					 WorldRegion* entry, 
 					 fs::path file,
                      int layer);
-	void writePlayer(Player* player);
+	void writePlayer(std::shared_ptr<Player> player);
     /* @param world world info to save (nullable) */
 	void write(const World* world, const Content* content);
 	void writePacks(const World* world);

src/frontend/hud.cpp

@@ -645,6 +645,6 @@ void Hud::setPause(bool pause) {
     menu->setVisible(pause);
 }
 
-Player* Hud::getPlayer() const {
-    return frontend->getLevel()->player.get();
+std::shared_ptr<Player> Hud::getPlayer() const {
+    return frontend->getLevel()->player;
 }

src/frontend/hud.h

@@ -118,7 +118,7 @@ public:
 	void remove(HudElement& element);
     void remove(std::shared_ptr<gui::UINode> node);
 
-    Player* getPlayer() const;
+    std::shared_ptr<Player> getPlayer() const;
 };
 
 #endif /* SRC_HUD_H_ */

src/world/World.cpp

@@ -61,7 +61,7 @@ void World::write(Level* level) {
     }
 
     wfile->write(this, content);
-    wfile->writePlayer(level->player.get());
+    wfile->writePlayer(level->player);
 }
 
 Level* World::create(std::string name, 
@@ -89,7 +89,7 @@ Level* World::load(fs::path directory,
     }
 
     auto level = new Level(world.get(), content, settings);
-    wfile->readPlayer(level->player.get());
+    wfile->readPlayer(level->player);
     world.release();
     return level;
 }