split engine code into modules

src/modules/MonoGameObjectSystem.cpp

@@ -0,0 +1,35 @@
+#include "MonoGameObjectSystem.hpp"
+
+namespace ougge::modules {
+
+MonoGameObjectSystem::MonoGameObjectSystem(Engine& engine, u32 max_game_objects) :
+    EngineModule(engine, nameof(MonoGameObjectSystem)), 
+    gameObjectPool(max_game_objects)
+{
+    engineManagedAssembly = mono.loadAssembly("Ougge.dll");
+    gameObjectClass = engineManagedAssembly->getClass("Ougge", "GameObject");
+    gameObjectCtor = Mono::Method<void(u64, u32)>(gameObjectClass, ".ctor");
+    gameObjectInvokeUpdate = Mono::Method<void(f64)>(gameObjectClass, "InvokeUpdate");
+    gameObjectTryCreateComponent = Mono::Method<Mono::Bool(Mono::String)>(gameObjectClass, "TryCreateComponent_internal");
+}
+
+void MonoGameObjectSystem::beginFrame(){
+    for(auto pair : gameObjectPool){
+        gameObjectInvokeUpdate(pair.second.getObjectHandle().getObject(), engine.deltaTime);
+    }
+}
+
+game::GameObject& MonoGameObjectSystem::createGameObject(){
+    auto pair = gameObjectPool.emplace(game::GameObject(mono.createObject(gameObjectClass)));
+    game::GameObject& obj = pair.second;
+    gameObjectCtor(obj.getObjectHandle().getObject(), ++obj_id, pair.first);
+    return obj;
+}
+
+bool MonoGameObjectSystem::tryCreateComponent(game::GameObject& obj, const std::string& componentClassName){
+    Mono::String componentClassNameManaged = mono.createString(componentClassName);
+    Mono::Bool created = gameObjectTryCreateComponent(obj.getObjectHandle().getObject(), componentClassNameManaged);
+    return created.wide_bool;
+}
+
+}