ECS.h

#pragma once
#include <string>
#include <vector>
#include "System.h"
#include "Component.h"

namespace ________ {
    //forwarding
    struct GameData;
    class ECS {
    public:
        ECS(GameData* gameData = nullptr);

        /*todo*/
        class EntityFactory;

        /*add new entity to entity string list, return new entityID*/
        std::string createEntity();
        /*adds new system to system vector*/
        void addSystem(SystemInterface* sys);

        /*this will only call the init function of systems
        which have not been initialized yet*/
        void initializeSystems();

        void updateSystems();

        void drawSystems();
    private:
        GameData* _data;

        std::string createEntityName();

        std::vector<std::string> entities;

        /*add the systems to this vector to update them every draw/update*/
        std::vector<SystemInterface*> systems;

        int entityAmount;
    };
}