gfx/vr/service/OpenVRControllerMapper.h

   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 #ifndef GFX_VR_SERVICE_OPENVRCONTROLLERMAPPER_H
   8 #define GFX_VR_SERVICE_OPENVRCONTROLLERMAPPER_H
   9
  10 #include "openvr.h"
  11 #include "nsString.h"
  12
  13 #include "moz_external_vr.h"
  14
  15 namespace mozilla {
  16 namespace gfx {
  17
  18 struct ControllerAction {
  19   nsCString name;
  20   nsCString type;
  21   vr::VRActionHandle_t handle = vr::k_ulInvalidActionHandle;
  22
  23   ControllerAction() = default;
  24
  25   ControllerAction(const char* aName, const char* aType)
  26       : name(aName), type(aType) {}
  27 };
  28
  29 struct ControllerInfo {
  30   vr::VRInputValueHandle_t mSource = vr::k_ulInvalidInputValueHandle;
  31
  32   ControllerAction mActionPose;
  33   ControllerAction mActionHaptic;
  34
  35   ControllerAction mActionTrackpad_Analog;
  36   ControllerAction mActionTrackpad_Pressed;
  37   ControllerAction mActionTrackpad_Touched;
  38
  39   ControllerAction mActionTrigger_Value;
  40
  41   ControllerAction mActionGrip_Pressed;
  42   ControllerAction mActionGrip_Touched;
  43   ControllerAction mActionMenu_Pressed;
  44   ControllerAction mActionMenu_Touched;
  45   // It seems like there's no way to get response from a sys. btn.
  46   ControllerAction mActionSystem_Pressed;
  47   ControllerAction mActionSystem_Touched;
  48
  49   // --- Knuckles & Cosmos
  50   ControllerAction mActionA_Pressed;
  51   ControllerAction mActionA_Touched;
  52   ControllerAction mActionB_Pressed;
  53   ControllerAction mActionB_Touched;
  54
  55   // --- Knuckles, Cosmos, and WMR
  56   ControllerAction mActionThumbstick_Analog;
  57   ControllerAction mActionThumbstick_Pressed;
  58   ControllerAction mActionThumbstick_Touched;
  59
  60   // --- Knuckles
  61   ControllerAction mActionFingerIndex_Value;
  62   ControllerAction mActionFingerMiddle_Value;
  63   ControllerAction mActionFingerRing_Value;
  64   ControllerAction mActionFingerPinky_Value;
  65
  66   // --- Cosmos
  67   ControllerAction mActionBumper_Pressed;
  68 };
  69
  70 class OpenVRControllerMapper {
  71  public:
  72   OpenVRControllerMapper();
  73   virtual ~OpenVRControllerMapper() = default;
  74
  75   virtual void UpdateButtons(VRControllerState& aControllerState,
  76                              ControllerInfo& aControllerInfo) = 0;
  77   uint32_t GetButtonCount() { return mNumButtons; }
  78   uint32_t GetAxisCount() { return mNumAxes; }
  79
  80  protected:
  81   void GetButtonValueFromAction(VRControllerState& aControllerState,
  82                                 const ControllerAction& aPressAction,
  83                                 const ControllerAction& aTouchAction);
  84   void GetTriggerValueFromAction(VRControllerState& aControllerState,
  85                                  const ControllerAction& aAction);
  86   void GetAxisValueFromAction(VRControllerState& aControllerState,
  87                               const ControllerAction& aAction,
  88                               bool aInvertAxis = false);
  89   uint32_t mNumButtons;
  90   uint32_t mNumAxes;
  91 };
  92
  93 }  // namespace gfx
  94 }  // namespace mozilla
  95
  96 #endif  // GFX_VR_SERVICE_OPENVRCONTROLLERMAPPER_H