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