instance_placeholder.h

#ifndef INSTANCE_PLACEHOLDER_H
#define INSTANCE_PLACEHOLDER_H

#include "scene/main/node.h"

class PackedScene;

class InstancePlaceholder : public Node {

    OBJ_TYPE(InstancePlaceholder,Node);

    String path;
    struct PropSet {
        StringName name;
        Variant value;
    };

    List<PropSet> stored_values;

protected:
    bool _set(const StringName& p_name, const Variant& p_value);
    bool _get(const StringName& p_name,Variant &r_ret) const;
    void _get_property_list( List<PropertyInfo> *p_list) const;

    static void _bind_methods();

public:

    void set_instance_path(const String& p_name);
    String get_instance_path() const;

    void replace_by_instance(const Ref<PackedScene>& p_custom_scene=Ref<PackedScene>());

    InstancePlaceholder();
};

#endif // INSTANCE_PLACEHOLDER_H