Add files via upload

src/engine.cpp

@@ -7,6 +7,7 @@
 #include <glm/glm.hpp>
 #include <filesystem>
 #include <unordered_set>
+#include <functional>
 #define GLEW_STATIC
 
 #include "audio/Audio.h"
@@ -44,6 +45,11 @@
 
 namespace fs = std::filesystem;
 
+void addWorldGenerators() {
+	WorldGenerators::addGenerator<DefaultWorldGenerator>("core:default");
+	WorldGenerators::addGenerator<FlatWorldGenerator>("core:flat");
+}
+
 Engine::Engine(EngineSettings& settings, EnginePaths* paths) 
     : settings(settings), paths(paths) 
 {    
@@ -86,11 +92,6 @@ Engine::Engine(EngineSettings& settings, EnginePaths* paths)
     addWorldGenerators();
 }
 
-void addWorldGenerators() {
-	WorldGenerators::addWorldGenerator<DefaultWorldGenerator>("core:default");
-	WorldGenerators::addWorldGenerator<FlatWorldGenerator>("core:flat");
-}
-
 void Engine::updateTimers() {
 	frame++;
 	double currentTime = Window::time();