GameObject.hpp

#ifndef GAMEOBJECT_HPP
#define GAMEOBJECT_HPP

/* =========================================================== *
 * SFGF (c) Kamil Koczurek | koczurekk@gmail.com               *
 * GNU GPL v3 License http://www.gnu.org/licenses/gpl-3.0.html *
 * =========================================================== */

#include <SFML/Graphics/Transformable.hpp>
#include <SFML/System/Time.hpp>
#include "CopyLock.hpp"

namespace sfgf {
    class GameObject
        : public sf::Transformable {
    private:
        const GameObject* m_parent = nullptr;
        const CopyLock m_copyLock;

    public:
        virtual ~GameObject() {}

        virtual void update(sf::Time);

        void setParent(const GameObject& parent);
        const GameObject& getParent() const;

        sf::Transform getTransform() const;
    };
    void GameObject::update(sf::Time)
    { }

    void GameObject::setParent(const GameObject& parent) {
        m_parent = &parent;
    }
    const GameObject& GameObject::getParent() const {
        return *m_parent;
    }

    sf::Transform GameObject::getTransform() const {
        if(m_parent) {
            return m_parent->getTransform() * sf::Transformable::getTransform();
        }

        return sf::Transformable::getTransform();
    }
}

#endif // GAMEOBJECT_HPP