SceneObject.hpp

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/*
 * =====================================================================================
 *
 *       Filename:  SceneObject.hpp
 *
 *    Description:
 *
 *        Created:  17/01/2018 19:34:42
 *
 *         Author:  Quentin Bazin, <quent42340@gmail.com>
 *
 * =====================================================================================
 */
#ifndef GK_SCENEOBJECT_HPP_
#define GK_SCENEOBJECT_HPP_

#include <memory>
#include <typeindex>
#include <unordered_map>

#include "gk/core/Exception.hpp"

namespace gk {

class SceneObject {
    public:
        SceneObject(const std::string &name = "null", const std::string &type = "null")
            : m_name(name), m_type(type) {}

        template<typename T, typename... Args>
        T &set(Args &&...args) {
            m_components[typeid(T).hash_code()] = std::make_shared<T>(std::forward<Args>(args)...);
            return get<T>();
        }

        template<typename T>
        bool has() const {
            return m_components.count(typeid(T).hash_code()) == 1;
        }

        template<typename T>
        T &get() const {
            auto it = m_components.find(typeid(T).hash_code());
            if(it == m_components.end()) {
                throw EXCEPTION("SceneObject", (void*)this, "(\"" + m_name + "\", \"" + m_type + "\") doesn't have a component of type:", typeid(T).name());
            }

            return *std::static_pointer_cast<T>(it->second);
        }

        template<typename T>
        void remove() {
            m_components.erase(typeid(T).hash_code());
        }

        void debug() const {
#ifdef DEBUG_ENABLED
            DEBUG("=== Component list of object:", (void*)this, "===");
            DEBUG("=== List address:", (void*)&m_components);

            for(auto &it : m_components) {
                DEBUG(it.first, ":", (void*)it.second.get());
            }

            DEBUG("=== End of list. ===");
#endif
        }

        const std::string &name() const { return m_name; }
        const std::string &type() const { return m_type; }

    private:
        std::string m_name;
        std::string m_type;

        std::unordered_map<size_t, std::shared_ptr<void>> m_components;
};

} // namespace gk

#endif // GK_SCENEOBJECT_HPP_