replace include guards with pragma once

src/world/Level.hpp

@@ -1,5 +1,4 @@
-#ifndef WORLD_LEVEL_HPP_
-#define WORLD_LEVEL_HPP_
+#pragma once
 
 #include <memory>
 #include <vector>
@@ -85,5 +84,3 @@ public:
 
     std::shared_ptr<Camera> getCamera(const std::string& name);
 };
-
-#endif /* WORLD_LEVEL_HPP_ */

src/world/LevelEvents.hpp

@@ -1,5 +1,4 @@
-#ifndef WORLD_LEVEL_EVENTS_HPP_
-#define WORLD_LEVEL_EVENTS_HPP_
+#pragma once
 
 #include <functional>
 #include <unordered_map>
@@ -20,5 +19,3 @@ public:
     void listen(lvl_event_type type, const chunk_event_func& func);
     void trigger(lvl_event_type type, Chunk* chunk);
 };
-
-#endif  // WORLD_LEVEL_EVENTS_HPP_

src/world/World.hpp

@@ -1,5 +1,4 @@
-#ifndef WORLD_WORLD_HPP_
-#define WORLD_WORLD_HPP_
+#pragma once
 
 #include <filesystem>
 #include <memory>
@@ -152,5 +151,3 @@ public:
     std::unique_ptr<dynamic::Map> serialize() const override;
     void deserialize(dynamic::Map* src) override;
 };
-
-#endif  // WORLD_WORLD_HPP_

src/world/WorldGenerators.hpp

@@ -1,5 +1,4 @@
-#ifndef WORLD_WORLDGENERATORS_HPP_
-#define WORLD_WORLDGENERATORS_HPP_
+#pragma once
 
 #include <map>
 #include <string>
@@ -32,5 +31,3 @@ void WorldGenerators::addGenerator(std::string id) {
         return (WorldGenerator*)new T(content);
     };
 }
-
-#endif /* WORLD_WORLDGENERATORS_HPP_ */