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input_common: Remove obsolete files
This commit is contained in:
german77
Narr the Reg
parent
59b995a9e5
commit
6d108f0dcb
@ -27,10 +27,6 @@ add_library(input_common STATIC
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input_poller.h
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main.cpp
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main.h
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motion_from_button.cpp
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motion_from_button.h
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motion_input.cpp
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motion_input.h
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)
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if (MSVC)
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@ -1,34 +0,0 @@
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// Copyright 2020 yuzu Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include "input_common/motion_from_button.h"
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#include "input_common/motion_input.h"
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namespace InputCommon {
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class MotionKey final : public Input::MotionDevice {
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public:
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using Button = std::unique_ptr<Input::ButtonDevice>;
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explicit MotionKey(Button key_) : key(std::move(key_)) {}
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Input::MotionStatus GetStatus() const override {
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if (key->GetStatus()) {
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return motion.GetRandomMotion(2, 6);
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}
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return motion.GetRandomMotion(0, 0);
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}
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private:
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Button key;
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InputCommon::MotionInput motion{0.0f, 0.0f, 0.0f};
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};
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std::unique_ptr<Input::MotionDevice> MotionFromButton::Create(const Common::ParamPackage& params) {
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auto key = Input::CreateDevice<Input::ButtonDevice>(params.Serialize());
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return std::make_unique<MotionKey>(std::move(key));
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}
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} // namespace InputCommon
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@ -1,25 +0,0 @@
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// Copyright 2020 yuzu Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#pragma once
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#include "core/frontend/input.h"
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namespace InputCommon {
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/**
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* An motion device factory that takes a keyboard button and uses it as a random
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* motion device.
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*/
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class MotionFromButton final : public Input::Factory<Input::MotionDevice> {
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public:
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/**
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* Creates an motion device from button devices
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* @param params contains parameters for creating the device:
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* - "key": a serialized ParamPackage for creating a button device
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*/
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std::unique_ptr<Input::MotionDevice> Create(const Common::ParamPackage& params) override;
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};
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} // namespace InputCommon
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@ -1,307 +0,0 @@
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// Copyright 2020 yuzu Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included
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#include <random>
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#include "common/math_util.h"
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#include "input_common/motion_input.h"
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namespace InputCommon {
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MotionInput::MotionInput(f32 new_kp, f32 new_ki, f32 new_kd) : kp(new_kp), ki(new_ki), kd(new_kd) {}
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void MotionInput::SetAcceleration(const Common::Vec3f& acceleration) {
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accel = acceleration;
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}
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void MotionInput::SetGyroscope(const Common::Vec3f& gyroscope) {
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gyro = gyroscope - gyro_drift;
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// Auto adjust drift to minimize drift
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if (!IsMoving(0.1f)) {
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gyro_drift = (gyro_drift * 0.9999f) + (gyroscope * 0.0001f);
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}
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if (gyro.Length2() < gyro_threshold) {
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gyro = {};
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} else {
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only_accelerometer = false;
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}
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}
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void MotionInput::SetQuaternion(const Common::Quaternion<f32>& quaternion) {
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quat = quaternion;
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}
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void MotionInput::SetGyroDrift(const Common::Vec3f& drift) {
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gyro_drift = drift;
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}
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void MotionInput::SetGyroThreshold(f32 threshold) {
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gyro_threshold = threshold;
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}
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void MotionInput::EnableReset(bool reset) {
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reset_enabled = reset;
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}
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void MotionInput::ResetRotations() {
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rotations = {};
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}
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bool MotionInput::IsMoving(f32 sensitivity) const {
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return gyro.Length() >= sensitivity || accel.Length() <= 0.9f || accel.Length() >= 1.1f;
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}
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bool MotionInput::IsCalibrated(f32 sensitivity) const {
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return real_error.Length() < sensitivity;
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}
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void MotionInput::UpdateRotation(u64 elapsed_time) {
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const auto sample_period = static_cast<f32>(elapsed_time) / 1000000.0f;
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if (sample_period > 0.1f) {
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return;
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}
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rotations += gyro * sample_period;
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}
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void MotionInput::UpdateOrientation(u64 elapsed_time) {
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if (!IsCalibrated(0.1f)) {
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ResetOrientation();
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}
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// Short name local variable for readability
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f32 q1 = quat.w;
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f32 q2 = quat.xyz[0];
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f32 q3 = quat.xyz[1];
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f32 q4 = quat.xyz[2];
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const auto sample_period = static_cast<f32>(elapsed_time) / 1000000.0f;
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// Ignore invalid elapsed time
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if (sample_period > 0.1f) {
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return;
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}
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const auto normal_accel = accel.Normalized();
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auto rad_gyro = gyro * Common::PI * 2;
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const f32 swap = rad_gyro.x;
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rad_gyro.x = rad_gyro.y;
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rad_gyro.y = -swap;
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rad_gyro.z = -rad_gyro.z;
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// Clear gyro values if there is no gyro present
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if (only_accelerometer) {
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rad_gyro.x = 0;
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rad_gyro.y = 0;
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rad_gyro.z = 0;
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}
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// Ignore drift correction if acceleration is not reliable
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if (accel.Length() >= 0.75f && accel.Length() <= 1.25f) {
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const f32 ax = -normal_accel.x;
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const f32 ay = normal_accel.y;
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const f32 az = -normal_accel.z;
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// Estimated direction of gravity
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const f32 vx = 2.0f * (q2 * q4 - q1 * q3);
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const f32 vy = 2.0f * (q1 * q2 + q3 * q4);
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const f32 vz = q1 * q1 - q2 * q2 - q3 * q3 + q4 * q4;
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// Error is cross product between estimated direction and measured direction of gravity
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const Common::Vec3f new_real_error = {
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az * vx - ax * vz,
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ay * vz - az * vy,
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ax * vy - ay * vx,
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};
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derivative_error = new_real_error - real_error;
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real_error = new_real_error;
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// Prevent integral windup
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if (ki != 0.0f && !IsCalibrated(0.05f)) {
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integral_error += real_error;
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} else {
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integral_error = {};
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}
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// Apply feedback terms
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if (!only_accelerometer) {
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rad_gyro += kp * real_error;
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rad_gyro += ki * integral_error;
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rad_gyro += kd * derivative_error;
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} else {
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// Give more weight to accelerometer values to compensate for the lack of gyro
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rad_gyro += 35.0f * kp * real_error;
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rad_gyro += 10.0f * ki * integral_error;
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rad_gyro += 10.0f * kd * derivative_error;
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// Emulate gyro values for games that need them
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gyro.x = -rad_gyro.y;
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gyro.y = rad_gyro.x;
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gyro.z = -rad_gyro.z;
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UpdateRotation(elapsed_time);
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}
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}
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const f32 gx = rad_gyro.y;
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const f32 gy = rad_gyro.x;
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const f32 gz = rad_gyro.z;
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// Integrate rate of change of quaternion
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const f32 pa = q2;
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const f32 pb = q3;
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const f32 pc = q4;
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q1 = q1 + (-q2 * gx - q3 * gy - q4 * gz) * (0.5f * sample_period);
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q2 = pa + (q1 * gx + pb * gz - pc * gy) * (0.5f * sample_period);
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q3 = pb + (q1 * gy - pa * gz + pc * gx) * (0.5f * sample_period);
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q4 = pc + (q1 * gz + pa * gy - pb * gx) * (0.5f * sample_period);
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quat.w = q1;
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quat.xyz[0] = q2;
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quat.xyz[1] = q3;
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quat.xyz[2] = q4;
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quat = quat.Normalized();
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}
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std::array<Common::Vec3f, 3> MotionInput::GetOrientation() const {
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const Common::Quaternion<float> quad{
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.xyz = {-quat.xyz[1], -quat.xyz[0], -quat.w},
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.w = -quat.xyz[2],
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};
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const std::array<float, 16> matrix4x4 = quad.ToMatrix();
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return {Common::Vec3f(matrix4x4[0], matrix4x4[1], -matrix4x4[2]),
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Common::Vec3f(matrix4x4[4], matrix4x4[5], -matrix4x4[6]),
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Common::Vec3f(-matrix4x4[8], -matrix4x4[9], matrix4x4[10])};
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}
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Common::Vec3f MotionInput::GetAcceleration() const {
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return accel;
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}
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Common::Vec3f MotionInput::GetGyroscope() const {
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return gyro;
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}
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Common::Quaternion<f32> MotionInput::GetQuaternion() const {
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return quat;
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}
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Common::Vec3f MotionInput::GetRotations() const {
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return rotations;
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}
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Input::MotionStatus MotionInput::GetMotion() const {
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const Common::Vec3f gyroscope = GetGyroscope();
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const Common::Vec3f accelerometer = GetAcceleration();
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const Common::Vec3f rotation = GetRotations();
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const std::array<Common::Vec3f, 3> orientation = GetOrientation();
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const Common::Quaternion<f32> quaternion = GetQuaternion();
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return {accelerometer, gyroscope, rotation, orientation, quaternion};
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}
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Input::MotionStatus MotionInput::GetRandomMotion(int accel_magnitude, int gyro_magnitude) const {
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std::random_device device;
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std::mt19937 gen(device());
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std::uniform_int_distribution<s16> distribution(-1000, 1000);
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const Common::Vec3f gyroscope{
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static_cast<f32>(distribution(gen)) * 0.001f,
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static_cast<f32>(distribution(gen)) * 0.001f,
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static_cast<f32>(distribution(gen)) * 0.001f,
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};
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const Common::Vec3f accelerometer{
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static_cast<f32>(distribution(gen)) * 0.001f,
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static_cast<f32>(distribution(gen)) * 0.001f,
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static_cast<f32>(distribution(gen)) * 0.001f,
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};
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constexpr Common::Vec3f rotation;
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constexpr std::array orientation{
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Common::Vec3f{1.0f, 0.0f, 0.0f},
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Common::Vec3f{0.0f, 1.0f, 0.0f},
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Common::Vec3f{0.0f, 0.0f, 1.0f},
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};
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constexpr Common::Quaternion<f32> quaternion{
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{0.0f, 0.0f, 0.0f},
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1.0f,
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};
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return {accelerometer * accel_magnitude, gyroscope * gyro_magnitude, rotation, orientation,
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quaternion};
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}
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void MotionInput::ResetOrientation() {
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if (!reset_enabled || only_accelerometer) {
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return;
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}
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if (!IsMoving(0.5f) && accel.z <= -0.9f) {
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++reset_counter;
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if (reset_counter > 900) {
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quat.w = 0;
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quat.xyz[0] = 0;
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quat.xyz[1] = 0;
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quat.xyz[2] = -1;
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SetOrientationFromAccelerometer();
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integral_error = {};
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reset_counter = 0;
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}
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} else {
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reset_counter = 0;
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}
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}
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void MotionInput::SetOrientationFromAccelerometer() {
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int iterations = 0;
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const f32 sample_period = 0.015f;
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const auto normal_accel = accel.Normalized();
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while (!IsCalibrated(0.01f) && ++iterations < 100) {
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// Short name local variable for readability
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f32 q1 = quat.w;
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f32 q2 = quat.xyz[0];
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f32 q3 = quat.xyz[1];
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f32 q4 = quat.xyz[2];
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Common::Vec3f rad_gyro;
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const f32 ax = -normal_accel.x;
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const f32 ay = normal_accel.y;
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const f32 az = -normal_accel.z;
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// Estimated direction of gravity
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const f32 vx = 2.0f * (q2 * q4 - q1 * q3);
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const f32 vy = 2.0f * (q1 * q2 + q3 * q4);
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const f32 vz = q1 * q1 - q2 * q2 - q3 * q3 + q4 * q4;
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// Error is cross product between estimated direction and measured direction of gravity
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const Common::Vec3f new_real_error = {
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az * vx - ax * vz,
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ay * vz - az * vy,
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ax * vy - ay * vx,
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};
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derivative_error = new_real_error - real_error;
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real_error = new_real_error;
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rad_gyro += 10.0f * kp * real_error;
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rad_gyro += 5.0f * ki * integral_error;
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rad_gyro += 10.0f * kd * derivative_error;
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const f32 gx = rad_gyro.y;
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const f32 gy = rad_gyro.x;
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const f32 gz = rad_gyro.z;
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// Integrate rate of change of quaternion
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const f32 pa = q2;
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const f32 pb = q3;
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const f32 pc = q4;
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q1 = q1 + (-q2 * gx - q3 * gy - q4 * gz) * (0.5f * sample_period);
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q2 = pa + (q1 * gx + pb * gz - pc * gy) * (0.5f * sample_period);
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q3 = pb + (q1 * gy - pa * gz + pc * gx) * (0.5f * sample_period);
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q4 = pc + (q1 * gz + pa * gy - pb * gx) * (0.5f * sample_period);
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quat.w = q1;
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quat.xyz[0] = q2;
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quat.xyz[1] = q3;
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quat.xyz[2] = q4;
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quat = quat.Normalized();
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}
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}
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} // namespace InputCommon
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@ -1,74 +0,0 @@
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// Copyright 2020 yuzu Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included
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#pragma once
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#include "common/common_types.h"
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#include "common/quaternion.h"
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#include "common/vector_math.h"
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#include "core/frontend/input.h"
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namespace InputCommon {
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class MotionInput {
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public:
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explicit MotionInput(f32 new_kp, f32 new_ki, f32 new_kd);
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MotionInput(const MotionInput&) = default;
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MotionInput& operator=(const MotionInput&) = default;
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MotionInput(MotionInput&&) = default;
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MotionInput& operator=(MotionInput&&) = default;
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void SetAcceleration(const Common::Vec3f& acceleration);
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void SetGyroscope(const Common::Vec3f& gyroscope);
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void SetQuaternion(const Common::Quaternion<f32>& quaternion);
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void SetGyroDrift(const Common::Vec3f& drift);
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void SetGyroThreshold(f32 threshold);
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void EnableReset(bool reset);
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void ResetRotations();
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void UpdateRotation(u64 elapsed_time);
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void UpdateOrientation(u64 elapsed_time);
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[[nodiscard]] std::array<Common::Vec3f, 3> GetOrientation() const;
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[[nodiscard]] Common::Vec3f GetAcceleration() const;
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[[nodiscard]] Common::Vec3f GetGyroscope() const;
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[[nodiscard]] Common::Vec3f GetRotations() const;
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[[nodiscard]] Common::Quaternion<f32> GetQuaternion() const;
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[[nodiscard]] Input::MotionStatus GetMotion() const;
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[[nodiscard]] Input::MotionStatus GetRandomMotion(int accel_magnitude,
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int gyro_magnitude) const;
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[[nodiscard]] bool IsMoving(f32 sensitivity) const;
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[[nodiscard]] bool IsCalibrated(f32 sensitivity) const;
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private:
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void ResetOrientation();
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void SetOrientationFromAccelerometer();
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// PID constants
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f32 kp;
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f32 ki;
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f32 kd;
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// PID errors
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Common::Vec3f real_error;
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Common::Vec3f integral_error;
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Common::Vec3f derivative_error;
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Common::Quaternion<f32> quat{{0.0f, 0.0f, -1.0f}, 0.0f};
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Common::Vec3f rotations;
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Common::Vec3f accel;
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Common::Vec3f gyro;
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Common::Vec3f gyro_drift;
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f32 gyro_threshold = 0.0f;
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u32 reset_counter = 0;
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bool reset_enabled = true;
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bool only_accelerometer = true;
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};
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} // namespace InputCommon
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