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suyu/src/input_common/mouse/mouse_input.cpp
Rodrigo Locatti 0a39163a90 input_common/mouse_input: Fix data race
Fix data race using std::jthread and std::stop_token.
2021-06-22 02:31:39 -03:00

223 lines
6.5 KiB
C++

// Copyright 2020 yuzu Emulator Project
// Licensed under GPLv2+
// Refer to the license.txt file included.
#include <stop_token>
#include <thread>
#include "common/settings.h"
#include "input_common/mouse/mouse_input.h"
namespace MouseInput {
Mouse::Mouse() {
update_thread = std::jthread([this](std::stop_token stop_token) { UpdateThread(stop_token); });
}
Mouse::~Mouse() = default;
void Mouse::UpdateThread(std::stop_token stop_token) {
constexpr int update_time = 10;
while (!stop_token.stop_requested()) {
for (MouseInfo& info : mouse_info) {
const Common::Vec3f angular_direction{
-info.tilt_direction.y,
0.0f,
-info.tilt_direction.x,
};
info.motion.SetGyroscope(angular_direction * info.tilt_speed);
info.motion.UpdateRotation(update_time * 1000);
info.motion.UpdateOrientation(update_time * 1000);
info.tilt_speed = 0;
info.data.motion = info.motion.GetMotion();
if (Settings::values.mouse_panning) {
info.last_mouse_change *= 0.96f;
info.data.axis = {static_cast<int>(16 * info.last_mouse_change.x),
static_cast<int>(16 * -info.last_mouse_change.y)};
}
}
if (configuring) {
UpdateYuzuSettings();
}
if (mouse_panning_timout++ > 20) {
StopPanning();
}
std::this_thread::sleep_for(std::chrono::milliseconds(update_time));
}
}
void Mouse::UpdateYuzuSettings() {
if (buttons == 0) {
return;
}
mouse_queue.Push(MouseStatus{
.button = last_button,
});
}
void Mouse::PressButton(int x, int y, MouseButton button_) {
const auto button_index = static_cast<std::size_t>(button_);
if (button_index >= mouse_info.size()) {
return;
}
const auto button = 1U << button_index;
buttons |= static_cast<u16>(button);
last_button = button_;
mouse_info[button_index].mouse_origin = Common::MakeVec(x, y);
mouse_info[button_index].last_mouse_position = Common::MakeVec(x, y);
mouse_info[button_index].data.pressed = true;
}
void Mouse::StopPanning() {
for (MouseInfo& info : mouse_info) {
if (Settings::values.mouse_panning) {
info.data.axis = {};
info.tilt_speed = 0;
info.last_mouse_change = {};
}
}
}
void Mouse::MouseMove(int x, int y, int center_x, int center_y) {
for (MouseInfo& info : mouse_info) {
if (Settings::values.mouse_panning) {
auto mouse_change =
(Common::MakeVec(x, y) - Common::MakeVec(center_x, center_y)).Cast<float>();
mouse_panning_timout = 0;
if (mouse_change.y == 0 && mouse_change.x == 0) {
continue;
}
const auto mouse_change_length = mouse_change.Length();
if (mouse_change_length < 3.0f) {
mouse_change /= mouse_change_length / 3.0f;
}
info.last_mouse_change = (info.last_mouse_change * 0.91f) + (mouse_change * 0.09f);
const auto last_mouse_change_length = info.last_mouse_change.Length();
if (last_mouse_change_length > 8.0f) {
info.last_mouse_change /= last_mouse_change_length / 8.0f;
} else if (last_mouse_change_length < 1.0f) {
info.last_mouse_change = mouse_change / mouse_change.Length();
}
info.tilt_direction = info.last_mouse_change;
info.tilt_speed = info.tilt_direction.Normalize() * info.sensitivity;
continue;
}
if (info.data.pressed) {
const auto mouse_move = Common::MakeVec(x, y) - info.mouse_origin;
const auto mouse_change = Common::MakeVec(x, y) - info.last_mouse_position;
info.last_mouse_position = Common::MakeVec(x, y);
info.data.axis = {mouse_move.x, -mouse_move.y};
if (mouse_change.x == 0 && mouse_change.y == 0) {
info.tilt_speed = 0;
} else {
info.tilt_direction = mouse_change.Cast<float>();
info.tilt_speed = info.tilt_direction.Normalize() * info.sensitivity;
}
}
}
}
void Mouse::ReleaseButton(MouseButton button_) {
const auto button_index = static_cast<std::size_t>(button_);
if (button_index >= mouse_info.size()) {
return;
}
const auto button = 1U << button_index;
buttons &= static_cast<u16>(0xFF - button);
mouse_info[button_index].tilt_speed = 0;
mouse_info[button_index].data.pressed = false;
mouse_info[button_index].data.axis = {0, 0};
}
void Mouse::ReleaseAllButtons() {
buttons = 0;
for (auto& info : mouse_info) {
info.tilt_speed = 0;
info.data.pressed = false;
info.data.axis = {0, 0};
}
}
void Mouse::BeginConfiguration() {
buttons = 0;
last_button = MouseButton::Undefined;
mouse_queue.Clear();
configuring = true;
}
void Mouse::EndConfiguration() {
buttons = 0;
for (MouseInfo& info : mouse_info) {
info.tilt_speed = 0;
info.data.pressed = false;
info.data.axis = {0, 0};
}
last_button = MouseButton::Undefined;
mouse_queue.Clear();
configuring = false;
}
bool Mouse::ToggleButton(std::size_t button_) {
if (button_ >= mouse_info.size()) {
return false;
}
const auto button = 1U << button_;
const bool button_state = (toggle_buttons & button) != 0;
const bool button_lock = (lock_buttons & button) != 0;
if (button_lock) {
return button_state;
}
lock_buttons |= static_cast<u16>(button);
if (button_state) {
toggle_buttons &= static_cast<u16>(0xFF - button);
} else {
toggle_buttons |= static_cast<u16>(button);
}
return !button_state;
}
bool Mouse::UnlockButton(std::size_t button_) {
if (button_ >= mouse_info.size()) {
return false;
}
const auto button = 1U << button_;
const bool button_state = (toggle_buttons & button) != 0;
lock_buttons &= static_cast<u16>(0xFF - button);
return button_state;
}
Common::SPSCQueue<MouseStatus>& Mouse::GetMouseQueue() {
return mouse_queue;
}
const Common::SPSCQueue<MouseStatus>& Mouse::GetMouseQueue() const {
return mouse_queue;
}
MouseData& Mouse::GetMouseState(std::size_t button) {
return mouse_info[button].data;
}
const MouseData& Mouse::GetMouseState(std::size_t button) const {
return mouse_info[button].data;
}
} // namespace MouseInput