HMDMgr.h Source File

00001 /***************************************************************************
00002  *cr                                                                       
00003  *cr            (C) Copyright 1995-2019 The Board of Trustees of the           
00004  *cr                        University of Illinois                       
00005  *cr                         All Rights Reserved                        
00006  *cr                                                                   
00007  ***************************************************************************/
00008 
00009 /***************************************************************************
00010 * RCS INFORMATION:
00011 *
00012 *      $RCSfile: OptiXDisplayDevice.h
00013 *      $Author: johns $      $Locker:  $               $State: Exp $
00014 *      $Revision: 1.6 $         $Date: 2021/09/23 15:18:01 $
00015 *
00016 ***************************************************************************
00017 * DESCRIPTION:
00018 *   VMD head mounted display (HMD) interface class
00019 *
00020 ***************************************************************************/
00021 
00022 #ifndef HMDMGR_H
00023 #define HMDMGR_H
00024 
00025 #if defined(VMDUSEOPENHMD)
00026 struct ohmd_context;
00027 struct ohmd_device;
00028 #endif
00029 
00030 class HMDMgr {
00031 private: 
00032 #if defined(VMDUSEOPENHMD)
00033   ohmd_context *ctx;
00034   ohmd_device  *hmd;
00035 #endif
00036 
00037   int hmdcount;
00038 
00039 public: 
00040   HMDMgr(void);
00041   ~HMDMgr(void);
00042 
00043   void reset_orientation(void);
00044   int device_count(void);
00045   void update(void);
00046   void get_rot_quat(float *, int doupdate);
00047   void rot_point_quat(float *p, const float *op);
00048   void rot_basis_quat(float *u, float *v, float *w, 
00049                       const float *ou, const float *ov, const float *ow);
00050 #if 0
00051   int device_list(int **, char ***);
00052 #endif
00053 
00054 }; 
00055 
00056 #endif
00057