#pragma once

#include <vector>
#include <memory>
#include <utils.hpp>
#include <object/entity.hpp>

namespace Game::State {
    class GameState {
        public:
            static GameState& getInstance() { static GameState instance; return instance; }

            // Retrieve a REFERENCE of the entities; DANGEROUS!
            std::vector<std::unique_ptr<Object::Entity>>* getEntitiesRef();
            // Update entity at index, by REFERENCE
            Object::Entity* getAtIndex(size_t at);

            void addEntity(std::unique_ptr<Object::Entity> entity);

        private:
            std::vector<std::unique_ptr<Object::Entity>> mEntities;
    };
}