source/openvr/openvrcontroller.cpp

   1 #include <openvr.h>
   2 #include "openvrcontroller.h"
   3 #include "openvrcontroller_private.h"
   4 #include "openvrsystem.h"
   5
   6 using namespace std;
   7
   8 namespace Msp {
   9 namespace VR {
  10
  11 OpenVRController::OpenVRController(OpenVRSystem &s):
  12         system(s),
  13         index(-1)
  14 {
  15         name = "OpenVR Controller";
  16
  17         system.add_controller(*this);
  18 }
  19
  20 OpenVRController::~OpenVRController()
  21 {
  22         system.remove_controller(*this);
  23 }
  24
  25 string OpenVRController::get_button_name(unsigned btn) const
  26 {
  27         switch(btn)
  28         {
  29         case vr::k_EButton_System: return "System";
  30         case vr::k_EButton_ApplicationMenu: return "Menu";
  31         case vr::k_EButton_Grip: return "Grip";
  32         case vr::k_EButton_Axis0: return "Trackpad";
  33         case vr::k_EButton_Axis1: return "Trigger";
  34         }
  35
  36         const char *n = vr::VRSystem()->GetButtonIdNameFromEnum(static_cast<vr::EVRButtonId>(btn));
  37         if(n)
  38                 return n;
  39
  40         return MotionController::get_button_name(btn);
  41 }
  42
  43 string OpenVRController::get_axis_name(unsigned axis) const
  44 {
  45         switch(axis)
  46         {
  47         case 0: return "Trackpad X";
  48         case 1: return "Trackpad Y";
  49         case 2: return "Trigger";
  50         }
  51
  52         return MotionController::get_axis_name(axis);
  53 }
  54
  55 void OpenVRController::event(const Event &ev)
  56 {
  57         switch(ev.eventType)
  58         {
  59         case vr::VREvent_TrackedDeviceActivated:
  60                 index = ev.trackedDeviceIndex;
  61                 signal_tracking_state_changed.emit(true);
  62                 break;
  63         case vr::VREvent_TrackedDeviceDeactivated:
  64                 index = -1;
  65                 signal_tracking_state_changed.emit(false);
  66                 break;
  67         case vr::VREvent_ButtonPress:
  68                 set_button_state(ev.data.controller.button, true, true);
  69                 break;
  70         case vr::VREvent_ButtonUnpress:
  71                 set_button_state(ev.data.controller.button, false, true);
  72                 break;
  73         }
  74 }
  75
  76 void OpenVRController::update()
  77 {
  78         if(index<0)
  79                 return;
  80
  81         update_from_matrix(system.get_tracking_matrix(index));
  82 }
  83
  84 void OpenVRController::update_input_state()
  85 {
  86         if(index<0)
  87                 return;
  88
  89         vr::VRControllerState_t state;
  90         vr::VRSystem()->GetControllerState(index, &state);
  91         if(state.unPacketNum!=last_packet_number)
  92         {
  93                 for(unsigned i=0; i<5; ++i)
  94                 {
  95                         set_axis_value(i*2, state.rAxis[i].x, true);
  96                         set_axis_value(i*2+1, state.rAxis[i].y, true);
  97                 }
  98
  99                 last_packet_number = state.unPacketNum;
 100         }
 101 }
 102
 103 } // namespace VR
 104 } // namespace Msp