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/*=========================================================================
Program: Visualization Toolkit
Module: vtkOpenXRRenderWindowInteractor.h
Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
All rights reserved.
See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
/**
* @class vtkOpenXRRenderWindowInteractor
* @brief implements OpenXR specific functions
* required by vtkRenderWindowInteractor.
*
*/
#ifndef vtkOpenXRRenderWindowInteractor_h
#define vtkOpenXRRenderWindowInteractor_h
#include "vtkRenderingOpenXRModule.h" // For export macro
#include "vtkVRRenderWindowInteractor.h"
#include "vtkEventData.h" // for ivar
#include "vtkOpenXRManager.h" //for types
#include <functional> // for std::function
#include <map> // for std::map
typedef vtkOpenXRManager::Action_t Action_t;
VTK_ABI_NAMESPACE_BEGIN
class VTKRENDERINGOPENXR_EXPORT vtkOpenXRRenderWindowInteractor : public vtkVRRenderWindowInteractor
{
public:
static vtkOpenXRRenderWindowInteractor* New();
vtkTypeMacro(vtkOpenXRRenderWindowInteractor, vtkVRRenderWindowInteractor);
/**
* Initialize the event handler
*/
void Initialize() override;
void DoOneEvent(vtkVRRenderWindow* renWin, vtkRenderer* ren) override;
/**
* Return the XrPosef for the action named "handpose"
* and the hand \p hand or return nullptr if "handpose"
* does not exist in the map.
*/
XrPosef* GetHandPose(uint32_t hand);
///@{
/**
* Assign an event or std::function to an event path.
* Called by the interactor style for specific actions
*/
void AddAction(const std::string& path, const vtkCommand::EventIds&);
void AddAction(const std::string& path, const std::function<void(vtkEventData*)>&);
///@}
// add an event action
void ConvertOpenXRPoseToWorldCoordinates(const XrPosef& xrPose,
double pos[3], // Output world position
double wxyz[4], // Output world orientation quaternion
double ppos[3], // Output physical position
double wdir[3]); // Output world view direction (-Z)
/**
* Apply haptic vibration using the provided action
* \p action to emit vibration on \p hand to emit on \p amplitude 0.0 to 1.0.
* \p duration nanoseconds, default 25ms \p frequency (hz)
*/
bool ApplyVibration(const std::string& actionName, const int hand, const float amplitude = 0.5f,
const float duration = 25000000.0f, const float frequency = XR_FREQUENCY_UNSPECIFIED);
protected:
vtkOpenXRRenderWindowInteractor();
~vtkOpenXRRenderWindowInteractor() override;
void PrintSelf(ostream& os, vtkIndent indent) override;
/**
* Process OpenXR specific events.
*/
void ProcessXrEvents();
/**
* Update tha action states using the OpenXRManager
* and handle all actions.
*/
void PollXrActions();
struct ActionData;
XrActionType GetActionTypeFromString(const std::string& type);
bool LoadActions(const std::string& actionFilename);
bool LoadDefaultBinding(const std::string& bindingFilename);
ActionData* GetActionDataFromName(const std::string& actionName);
void HandleAction(const ActionData& actionData, const int hand, vtkEventDataDevice3D* ed);
void HandleBooleanAction(const ActionData& actionData, const int hand, vtkEventDataDevice3D* ed);
void HandlePoseAction(const ActionData& actionData, const int hand, vtkEventDataDevice3D* ed);
void HandleVector2fAction(const ActionData& actionData, const int hand, vtkEventDataDevice3D* ed);
void ApplyAction(const ActionData& actionData, vtkEventDataDevice3D* ed);
struct ActionData
{
std::string Name;
vtkEventDataDeviceInput DeviceInput = vtkEventDataDeviceInput::Unknown;
// This structure is defined in vtkOpenXRManager
// And hold OpenXR related data
Action_t ActionStruct{ XR_NULL_HANDLE };
vtkCommand::EventIds EventId;
std::function<void(vtkEventData*)> Function;
bool UseFunction = false;
};
using MapAction = std::map<std::string, ActionData*>;
MapAction MapActionStruct_Name;
vtkNew<vtkMatrix4x4> PoseToWorldMatrix; // used in calculations
private:
vtkOpenXRRenderWindowInteractor(const vtkOpenXRRenderWindowInteractor&) = delete;
void operator=(const vtkOpenXRRenderWindowInteractor&) = delete;
};
VTK_ABI_NAMESPACE_END
#endif
// VTK-HeaderTest-Exclude: vtkOpenXRRenderWindowInteractor.h
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