commands/io_command.h - initial - spivag/command_occ

commands/io_command.h
126 строк4 KB
spivag
Запрос на слияние 'c3d_sdk_removal' (#2) из c3d_sdk_removal в initial
16 апр 2026, 15:34
16 апр 2026, 15:34e04e876
/// @file io_command.h
/// @brief Сохранение 3D-моделей в файлы обменных форматов и формат геометрического ядра.
/// Проект c3d_engine
/// @copyright  (c) Alexander Spivakov 2025.

#ifndef IO_COMMAND_H
#define IO_COMMAND_H

#include <memory>
#include <TDocStd_Document.hxx>
#include <TDF_Label.hxx>

#include "command.h"
#include "shape_command.h"
#include <list>
#include <vector>

class CreateModelDocumentCommand;
class CreateModelPartCommand;

struct InstanceParameters;
struct ModelPartInstance;

class WriteToFileCommand : public ICommand
{
public:
  WriteToFileCommand( const std::string& fileName, std::shared_ptr< IShapeBuilder > const& itemToWrite );
  WriteToFileCommand( const std::string& fileName,
                      std::shared_ptr< CreateModelDocumentCommand > const& itemToWrite );

private:
  //std::shared_ptr< IConvertorProperty3D > m_exchangeSettigns{};
  std::shared_ptr< IShapeBuilder > m_shapeImpl{};
  std::shared_ptr< CreateModelDocumentCommand > m_documentImpl{};
  //MbeConvResType m_executeResult{ cnv_Error };
  std::string m_path{};
  bool m_executed{ false };
};

class PartCreateParameters final
{
public:
  PartCreateParameters( std::vector< std::shared_ptr< IShapeBuilder > > const& shapes,
                        const std::string& fileName,
                        bool isAssembly );
  PartCreateParameters( PartCreateParameters const& ) = default;
  PartCreateParameters& operator=( PartCreateParameters const& ) = default;
  [[nodiscard]] std::string FileName() const;
  [[nodiscard]] bool IsAssembly() const;
  [[nodiscard]] std::vector< std::shared_ptr< IShapeBuilder > > Shapes() const;

private:
  std::vector< std::shared_ptr< IShapeBuilder > > m_shapes{};
  std::string m_fileName{};
  bool m_isAssembly{ false };
};

struct InstanceParameters
{
  std::weak_ptr< CreateModelPartCommand > m_basePart{};
  std::weak_ptr< CreateModelPartCommand > m_childPart{};
  R3::Placement m_innerLocation{};

  InstanceParameters() = delete;
  InstanceParameters( InstanceParameters const& ) = default;
  InstanceParameters( std::weak_ptr< CreateModelPartCommand > const& basePart,
                      std::weak_ptr< CreateModelPartCommand > const& instancedPart,
                      R3::Placement const& location );
};

class CreateModelDocumentCommand final : public ICommand
{
public:
  explicit CreateModelDocumentCommand( PartCreateParameters const& rootPartParameters );

  [[nodiscard]] std::shared_ptr< CreateModelPartCommand > GetRootComponent() const;
  [[nodiscard]] std::shared_ptr< CreateModelPartCommand > CreatePart( PartCreateParameters const& rootPartParameters );
  bool InstancePart( InstanceParameters const& partsRelation );

  friend class CreateModelPartCommand;

  // For OpenCASCADE, we return the document handle but the actual shape creation is different
  Handle(TDocStd_Document)& GetModelDocument();

private:
  std::shared_ptr< Handle(TDocStd_Document) > m_modelDocument{};
  std::shared_ptr< CreateModelPartCommand > m_rootComponent{};

  std::list< InstanceParameters > m_partRelations{};
  std::vector< std::shared_ptr< CreateModelPartCommand > > m_parts{};
};

class CreateModelPartCommand final
{
  friend class CreateModelDocumentCommand;

  explicit CreateModelPartCommand( PartCreateParameters const& );
  CreateModelPartCommand( PartCreateParameters const&, CreateModelDocumentCommand& );

  void Run();

  [[nodiscard]] std::string ExecutionMessage();

  TopoDS_Shape PrepareInstance();
  void InstanceModelPart( TopoDS_Shape const&, R3::Placement const& location );
  bool IsModelComponentCreated() const;
  void Init();
  void SetBasePart( std::weak_ptr< CreateModelPartCommand > const& parent );
  void AddInstance( ModelPartInstance const& );

  PartCreateParameters m_initialComponentParameters;
  R3::Placement m_locationFirstInstance{};
  std::vector< ModelPartInstance > m_instances{};
  CreateModelDocumentCommand* m_originDocument{};
  std::weak_ptr< CreateModelPartCommand > m_basePart{};
  TopoDS_Shape m_createdAssembly{};
  TopoDS_Shape m_createdPart{};
};

struct ModelPartInstance
{
  std::weak_ptr< CreateModelPartCommand > m_part;
  R3::Placement m_location{};
};

#endif