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-rw-r--r--src/input_common/motion_emu.cpp179
1 files changed, 0 insertions, 179 deletions
diff --git a/src/input_common/motion_emu.cpp b/src/input_common/motion_emu.cpp
deleted file mode 100644
index d4da5596b..000000000
--- a/src/input_common/motion_emu.cpp
+++ /dev/null
@@ -1,179 +0,0 @@
-// Copyright 2017 Citra Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#include <algorithm>
-#include <chrono>
-#include <mutex>
-#include <thread>
-#include <tuple>
-#include "common/math_util.h"
-#include "common/quaternion.h"
-#include "common/thread.h"
-#include "common/vector_math.h"
-#include "input_common/motion_emu.h"
-
-namespace InputCommon {
-
-// Implementation class of the motion emulation device
-class MotionEmuDevice {
-public:
- explicit MotionEmuDevice(int update_millisecond_, float sensitivity_)
- : update_millisecond(update_millisecond_),
- update_duration(std::chrono::duration_cast<std::chrono::steady_clock::duration>(
- std::chrono::milliseconds(update_millisecond))),
- sensitivity(sensitivity_), motion_emu_thread(&MotionEmuDevice::MotionEmuThread, this) {}
-
- ~MotionEmuDevice() {
- if (motion_emu_thread.joinable()) {
- shutdown_event.Set();
- motion_emu_thread.join();
- }
- }
-
- void BeginTilt(int x, int y) {
- mouse_origin = Common::MakeVec(x, y);
- is_tilting = true;
- }
-
- void Tilt(int x, int y) {
- if (!is_tilting) {
- return;
- }
-
- std::lock_guard guard{tilt_mutex};
- const auto mouse_move = Common::MakeVec(x, y) - mouse_origin;
- if (mouse_move.x == 0 && mouse_move.y == 0) {
- tilt_angle = 0;
- } else {
- tilt_direction = mouse_move.Cast<float>();
- tilt_angle =
- std::clamp(tilt_direction.Normalize() * sensitivity, 0.0f, Common::PI * 0.5f);
- }
- }
-
- void EndTilt() {
- std::lock_guard guard{tilt_mutex};
- tilt_angle = 0;
- is_tilting = false;
- }
-
- Input::MotionStatus GetStatus() {
- std::lock_guard guard{status_mutex};
- return status;
- }
-
-private:
- const int update_millisecond;
- const std::chrono::steady_clock::duration update_duration;
- const float sensitivity;
-
- Common::Vec2<int> mouse_origin;
-
- std::mutex tilt_mutex;
- Common::Vec2<float> tilt_direction;
- float tilt_angle = 0;
-
- bool is_tilting = false;
-
- Common::Event shutdown_event;
-
- Input::MotionStatus status;
- std::mutex status_mutex;
-
- // Note: always keep the thread declaration at the end so that other objects are initialized
- // before this!
- std::thread motion_emu_thread;
-
- void MotionEmuThread() {
- auto update_time = std::chrono::steady_clock::now();
- Common::Quaternion<float> q = Common::MakeQuaternion(Common::Vec3<float>(), 0);
-
- while (!shutdown_event.WaitUntil(update_time)) {
- update_time += update_duration;
- const Common::Quaternion<float> old_q = q;
-
- {
- std::lock_guard guard{tilt_mutex};
-
- // Find the quaternion describing current 3DS tilting
- q = Common::MakeQuaternion(
- Common::MakeVec(-tilt_direction.y, 0.0f, tilt_direction.x), tilt_angle);
- }
-
- const auto inv_q = q.Inverse();
-
- // Set the gravity vector in world space
- auto gravity = Common::MakeVec(0.0f, -1.0f, 0.0f);
-
- // Find the angular rate vector in world space
- auto angular_rate = ((q - old_q) * inv_q).xyz * 2;
- angular_rate *= static_cast<float>(1000 / update_millisecond) / Common::PI * 180.0f;
-
- // Transform the two vectors from world space to 3DS space
- gravity = QuaternionRotate(inv_q, gravity);
- angular_rate = QuaternionRotate(inv_q, angular_rate);
-
- // TODO: Calculate the correct rotation vector and orientation matrix
- const auto matrix4x4 = q.ToMatrix();
- const auto rotation = Common::MakeVec(0.0f, 0.0f, 0.0f);
- const std::array orientation{
- Common::Vec3f(matrix4x4[0], matrix4x4[1], -matrix4x4[2]),
- Common::Vec3f(matrix4x4[4], matrix4x4[5], -matrix4x4[6]),
- Common::Vec3f(-matrix4x4[8], -matrix4x4[9], matrix4x4[10]),
- };
-
- // Update the sensor state
- {
- std::lock_guard guard{status_mutex};
- status = std::make_tuple(gravity, angular_rate, rotation, orientation);
- }
- }
- }
-};
-
-// Interface wrapper held by input receiver as a unique_ptr. It holds the implementation class as
-// a shared_ptr, which is also observed by the factory class as a weak_ptr. In this way the factory
-// can forward all the inputs to the implementation only when it is valid.
-class MotionEmuDeviceWrapper : public Input::MotionDevice {
-public:
- explicit MotionEmuDeviceWrapper(int update_millisecond, float sensitivity) {
- device = std::make_shared<MotionEmuDevice>(update_millisecond, sensitivity);
- }
-
- Input::MotionStatus GetStatus() const override {
- return device->GetStatus();
- }
-
- std::shared_ptr<MotionEmuDevice> device;
-};
-
-std::unique_ptr<Input::MotionDevice> MotionEmu::Create(const Common::ParamPackage& params) {
- const int update_period = params.Get("update_period", 100);
- const float sensitivity = params.Get("sensitivity", 0.01f);
- auto device_wrapper = std::make_unique<MotionEmuDeviceWrapper>(update_period, sensitivity);
- // Previously created device is disconnected here. Having two motion devices for 3DS is not
- // expected.
- current_device = device_wrapper->device;
- return device_wrapper;
-}
-
-void MotionEmu::BeginTilt(int x, int y) {
- if (auto ptr = current_device.lock()) {
- ptr->BeginTilt(x, y);
- }
-}
-
-void MotionEmu::Tilt(int x, int y) {
- if (auto ptr = current_device.lock()) {
- ptr->Tilt(x, y);
- }
-}
-
-void MotionEmu::EndTilt() {
- if (auto ptr = current_device.lock()) {
- ptr->EndTilt();
- }
-}
-
-} // namespace InputCommon