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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "OpenVRControllerMapper.h"
#include "mozilla/StaticPrefs_dom.h"
#include "VRSession.h"
namespace mozilla::gfx {
OpenVRControllerMapper::OpenVRControllerMapper()
: mNumButtons(0), mNumAxes(0) {}
void OpenVRControllerMapper::GetButtonValueFromAction(
VRControllerState& aControllerState, const ControllerAction& aPressAction,
const ControllerAction& aTouchAction) {
vr::InputDigitalActionData_t actionData = {};
bool bPressed = false;
bool bTouched = false;
uint64_t mask = 0;
if (aPressAction.handle &&
vr::VRInput()->GetDigitalActionData(
aPressAction.handle, &actionData, sizeof(actionData),
vr::k_ulInvalidInputValueHandle) == vr::VRInputError_None &&
actionData.bActive) {
bPressed = actionData.bState;
mask = (1ULL << mNumButtons);
aControllerState.triggerValue[mNumButtons] = bPressed ? 1.0 : 0.0f;
if (bPressed) {
aControllerState.buttonPressed |= mask;
} else {
aControllerState.buttonPressed &= ~mask;
}
if (aTouchAction.handle &&
vr::VRInput()->GetDigitalActionData(
aTouchAction.handle, &actionData, sizeof(actionData),
vr::k_ulInvalidInputValueHandle) == vr::VRInputError_None) {
bTouched = actionData.bActive && actionData.bState;
mask = (1ULL << mNumButtons);
if (bTouched) {
aControllerState.buttonTouched |= mask;
} else {
aControllerState.buttonTouched &= ~mask;
}
}
++mNumButtons;
}
}
void OpenVRControllerMapper::GetTriggerValueFromAction(
VRControllerState& aControllerState, const ControllerAction& aAction) {
vr::InputAnalogActionData_t analogData = {};
const float triggerThreshold =
StaticPrefs::dom_vr_controller_trigger_threshold();
if (aAction.handle &&
vr::VRInput()->GetAnalogActionData(
aAction.handle, &analogData, sizeof(analogData),
vr::k_ulInvalidInputValueHandle) == vr::VRInputError_None &&
analogData.bActive) {
VRSession::UpdateTrigger(aControllerState, mNumButtons, analogData.x,
triggerThreshold);
++mNumButtons;
}
}
void OpenVRControllerMapper::GetAxisValueFromAction(
VRControllerState& aControllerState, const ControllerAction& aAction,
bool aInvertAxis) {
vr::InputAnalogActionData_t analogData = {};
const float yAxisInvert = (aInvertAxis) ? -1.0f : 1.0f;
if (aAction.handle &&
vr::VRInput()->GetAnalogActionData(
aAction.handle, &analogData, sizeof(analogData),
vr::k_ulInvalidInputValueHandle) == vr::VRInputError_None &&
analogData.bActive) {
aControllerState.axisValue[mNumAxes] = analogData.x;
++mNumAxes;
aControllerState.axisValue[mNumAxes] = analogData.y * yAxisInvert;
++mNumAxes;
}
}
} // namespace mozilla::gfx
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