vtkSMVRGrabWorldStyleProxy.h

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// SPDX-FileCopyrightText: Copyright (c) Kitware Inc.
// SPDX-FileCopyrightText: Copyright (c) Sandia Corporation
// SPDX-License-Identifier: BSD-3-Clause
#ifndef vtkSMVRGrabWorldStyleProxy_h
#define vtkSMVRGrabWorldStyleProxy_h
 
#include "vtkNew.h"
#include "vtkPVIncubatorCAVEInteractionStylesModule.h" // for export macro
#include "vtkSMVRTrackStyleProxy.h"
 
class vtkCamera;
class vtkMatrix4x4;
class vtkSMRenderViewProxy;
class vtkSMDoubleVectorProperty;
class vtkSMIntVectorProperty;
struct vtkVREvent;
 
class VTKPVINCUBATORCAVEINTERACTIONSTYLES_EXPORT vtkSMVRGrabWorldStyleProxy
  : public vtkSMVRTrackStyleProxy
{
public:
  static vtkSMVRGrabWorldStyleProxy* New();
  vtkTypeMacro(vtkSMVRGrabWorldStyleProxy, vtkSMVRTrackStyleProxy);
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
protected:
  vtkSMVRGrabWorldStyleProxy();
  ~vtkSMVRGrabWorldStyleProxy() override;
 
  void HandleButton(const vtkVREvent& event) override;
  void HandleTracker(const vtkVREvent& event) override;
 
  bool EnableTranslate; /* mirrors the button assigned the "Translate World" role */
  bool EnableRotate;    /* mirrors the button assigned the "Rotate World" role */
 
  bool IsInitialTransRecorded; /* flag indicating that we're in the middle of a translation
                                  operation */
  bool IsInitialRotRecorded; /* flag indicating that we're in the middle of a rotation operation */
                             /* NOTE: only one of translation or rotation can be active at a time */
 
  vtkNew<vtkMatrix4x4> InverseInitialTransMatrix;
  vtkNew<vtkMatrix4x4> InverseInitialRotMatrix;
 
  vtkNew<vtkMatrix4x4> CachedTransMatrix;
  vtkNew<vtkMatrix4x4> CachedRotMatrix;
 
private:
  vtkSMVRGrabWorldStyleProxy(const vtkSMVRGrabWorldStyleProxy&) = delete; // Not implemented
  void operator=(const vtkSMVRGrabWorldStyleProxy&) = delete;             // Not implemented
 
  float GetSpeedFactor(vtkCamera* cam, vtkMatrix4x4* mvmatrix); /* WRS: what does this do? */
  vtkCamera* GetCamera();
};
 
#endif // vtkSMVRGrabWorldStyleProxy_h