scene.h

#pragma once
#include<vector>
#include<entities/spatial.h>
#include<pugixml/pugixml.hpp>
 
namespace meteor {
    class MScene : public MEntity {
        friend class Spatial;
    public:
        
        MScene();
        ~MScene();
        void startScene();
        void update(float deltaTime);
        void onClose();
        
        void addToRoot(MSpatialEntity* entity);
        inline size_t getRootSize() { return rootEntities == NULL ? 0 : rootEntities->size(); }
        inline std::vector<MSpatialEntity*>* getRootEntities() { return rootEntities; };
        bool tryParse(pugi::xml_document* doc);
        
        inline bool isClosing() { return sceneClosing; }
 
        template<typename T>
        T* find(std::string name) {
            if (rootEntities->size() <= 0)
                return NULL;
 
            for (auto rootEntity : *rootEntities) {
                auto res = rootEntity->find<T>(name);
                if (res != NULL)
                    return res;
            }
 
            return NULL;
        }
 
    private:
        std::vector<MSpatialEntity*>* rootEntities;
        void recursivelyLoadEntity(pugi::xml_node* currNode, MSpatialEntity* parent);
        bool sceneClosing = false;
    public:
        static const std::string VALID_SCENE_FILE_XML_TAG;
    };
}