#include "Engine.hpp"

namespace ougge {

Engine::Engine()
    : gameObjectPool(GAMEOBJECTPOOL_SIZE) 
{
}

void Engine::init(){
    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 Engine::invokeUpdate(f64 deltaTime){
    for(auto pair : gameObjectPool){
        gameObjectInvokeUpdate(pair.second.getObjectHandle().getObject(), deltaTime);
    }
}

GameObject& Engine::createGameObject(){
    auto pair = gameObjectPool.emplace(GameObject(mono.createObject(gameObjectClass)));
    GameObject& obj = pair.second;
    gameObjectCtor(obj.getObjectHandle().getObject(), obj_id++, pair.first);
    return obj;
}

bool Engine::tryCreateComponent(GameObject& obj, const std::string& componentClassName){
    Mono::String componentClassNameManaged = mono.createString(componentClassName);
    Mono::Bool created = gameObjectTryCreateComponent(obj.getObjectHandle().getObject(), componentClassNameManaged);
    return created.wide_bool;
}

}