gfx/vr/service/OpenVRWMRMapper.cpp

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #include "OpenVRWMRMapper.h"
   8
   9 #include "moz_external_vr.h"
  10 #include "VRSession.h"
  11
  12 namespace mozilla::gfx {
  13
  14 void OpenVRWMRMapper::UpdateButtons(VRControllerState& aControllerState,
  15                                     ControllerInfo& aControllerInfo) {
  16   mNumButtons = mNumAxes = 0;
  17   // Button 0: Trigger
  18   GetTriggerValueFromAction(aControllerState,
  19                             aControllerInfo.mActionTrigger_Value);
  20   // Button 1: Grip
  21   GetButtonValueFromAction(aControllerState,
  22                            aControllerInfo.mActionGrip_Pressed,
  23                            aControllerInfo.mActionGrip_Touched);
  24   // Button 2: Touchpad
  25   GetButtonValueFromAction(aControllerState,
  26                            aControllerInfo.mActionTrackpad_Pressed,
  27                            aControllerInfo.mActionTrackpad_Touched);
  28   // Button 3: Thumbstick.
  29   GetButtonValueFromAction(aControllerState,
  30                            aControllerInfo.mActionThumbstick_Pressed,
  31                            aControllerInfo.mActionThumbstick_Touched);
  32   // Button 4: Menu
  33   GetButtonValueFromAction(aControllerState,
  34                            aControllerInfo.mActionMenu_Pressed,
  35                            aControllerInfo.mActionMenu_Touched);
  36
  37   // Compared to Edge, we have a wrong implementation for the vertical axis
  38   // value. In order to not affect the current VR content, we add a workaround
  39   // for yAxis.
  40   // Axis 0, 1: Trackpad
  41   GetAxisValueFromAction(aControllerState,
  42                          aControllerInfo.mActionTrackpad_Analog, true);
  43   // Axis 2, 3: Thumbstick
  44   GetAxisValueFromAction(aControllerState,
  45                          aControllerInfo.mActionThumbstick_Analog, true);
  46
  47   aControllerState.numButtons = mNumButtons;
  48   aControllerState.numAxes = mNumAxes;
  49 }
  50
  51 }  // namespace mozilla::gfx