MRSceneRoot.h

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#pragma once
#include "MRMeshFwd.h"
#include "MRObject.h"
#include <memory>
 
namespace MR
{
 

class MRMESH_CLASS SceneRootObject final : public Object
{
public:
    MRMESH_API SceneRootObject();
 
    SceneRootObject( SceneRootObject&& ) noexcept = default;
 
    SceneRootObject& operator = ( SceneRootObject&& ) noexcept = default;

    SceneRootObject( ProtectedStruct, const SceneRootObject& obj ) : SceneRootObject( obj ) {}
 
    constexpr static const char* StaticTypeName() noexcept { return "RootObject"; }
    virtual const char* typeName() const override { return StaticTypeName(); }
 
    constexpr static const char* StaticClassName() noexcept { return "Root"; }
    virtual std::string className() const override { return StaticClassName(); }
 
    constexpr static const char* StaticClassNameInPlural() noexcept { return "Roots"; }
    virtual std::string classNameInPlural() const override { return StaticClassNameInPlural(); }
 
    constexpr static const char* RootName() noexcept { return "Root"; }
 
    virtual void setAncillary( bool ) override { Object::setAncillary( false ); }
 
    virtual bool select( bool ) override { return Object::select( false ); }
 
    virtual void setName( std::string ) override { Object::setName( SceneRootObject::RootName() ); }
 
    MRMESH_API virtual std::shared_ptr<Object> clone() const override;

    MRMESH_API std::shared_ptr<SceneRootObject> cloneRoot() const;
 
protected:
    SceneRootObject( const SceneRootObject& other ) = default;
 
    MRMESH_API virtual void serializeFields_( Json::Value& root ) const override;
 
    MRMESH_API void deserializeFields_( const Json::Value& root ) override;
};

MRMESH_API std::shared_ptr<SceneRootObject> createRootFormObject( std::shared_ptr<Object> obj );

class SceneRoot
{
public:
#ifndef MR_SCENEROOT_CONST
    MRMESH_API static SceneRootObject& get();
    MRMESH_API static std::shared_ptr<SceneRootObject>& getSharedPtr();
 
    MRMESH_API static void setScenePath( const std::filesystem::path& scenePath );
#endif
    MRMESH_API static const SceneRootObject& constGet();
    MRMESH_API static std::shared_ptr<const SceneRootObject> constGetSharedPtr();
 
    MRMESH_API static const std::filesystem::path& getScenePath();
 
private:
    static SceneRoot& instance_();
    SceneRoot();
 
    std::shared_ptr<SceneRootObject> root_;

    std::filesystem::path scenePath_;
};
}