scene_preloader.h

/*************************************************************************/
/*  scene_preloader.h                                                    */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
/*                    http://www.godotengine.org                         */
/*************************************************************************/
/* Copyright (c) 2007-2016 Juan Linietsky, Ariel Manzur.                 */
/*                                                                       */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the       */
/* "Software"), to deal in the Software without restriction, including   */
/* without limitation the rights to use, copy, modify, merge, publish,   */
/* distribute, sublicense, and/or sell copies of the Software, and to    */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions:                                             */
/*                                                                       */
/* The above copyright notice and this permission notice shall be        */
/* included in all copies or substantial portions of the Software.       */
/*                                                                       */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
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/*************************************************************************/
#ifndef SCENE_PRELOADER_H
#define SCENE_PRELOADER_H

#include "resource.h"
#include "scene/main/node.h"

class ScenePreloader : public Resource {

    OBJ_TYPE( ScenePreloader, Resource );

    Vector<StringName> names;
    Vector<Variant> variants;

    //missing - instances
    //missing groups
    //missing - owner
    //missing - override names and values

    struct NodeData {

        int parent;
        int type;
        int name;

        struct Property {

            int name;
            int value;
        };

        Vector<Property> properties;
    };


    Vector<NodeData> nodes;

    struct ConnectionData {

        int from;
        int to;
        int signal;
        int method;
        Vector<int> binds;
    };

    Vector<ConnectionData> connections;

    void _parse_node(Node *p_owner,Node *p_node,int p_parent_idx, Map<StringName,int> &name_map,HashMap<Variant,int,VariantHasher> &variant_map,Map<Node*,int> &node_map);
    void _parse_connections(Node *p_node, Map<StringName,int> &name_map,HashMap<Variant,int,VariantHasher> &variant_map,Map<Node*,int> &node_map,bool p_instance);

    String path;

    void _set_bundled_scene(const Dictionary& p_scene);
    Dictionary _get_bundled_scene() const;

protected:


    static void _bind_methods();
public:


    Error load_scene(const String& p_path);
    String get_scene_path() const;
    void clear();

    bool can_instance() const;
    Node *instance() const;

    ScenePreloader();
};

#endif // SCENE_PRELOADER_H