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// Copyright 2021 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included
#include <stop_token>
#include <thread>
#include <fmt/format.h>
#include "common/param_package.h"
#include "common/settings.h"
#include "common/thread.h"
#include "input_common/drivers/mouse.h"
namespace InputCommon {
constexpr int mouse_axis_x = 0;
constexpr int mouse_axis_y = 1;
constexpr int wheel_axis_x = 2;
constexpr int wheel_axis_y = 3;
constexpr int touch_axis_x = 10;
constexpr int touch_axis_y = 11;
constexpr PadIdentifier identifier = {
.guid = Common::UUID{Common::INVALID_UUID},
.port = 0,
.pad = 0,
};
Mouse::Mouse(const std::string input_engine_) : InputEngine(input_engine_) {
PreSetController(identifier);
PreSetAxis(identifier, mouse_axis_x);
PreSetAxis(identifier, mouse_axis_y);
PreSetAxis(identifier, wheel_axis_x);
PreSetAxis(identifier, wheel_axis_y);
PreSetAxis(identifier, touch_axis_x);
PreSetAxis(identifier, touch_axis_x);
update_thread = std::jthread([this](std::stop_token stop_token) { UpdateThread(stop_token); });
}
void Mouse::UpdateThread(std::stop_token stop_token) {
Common::SetCurrentThreadName("yuzu:input:Mouse");
constexpr int update_time = 10;
while (!stop_token.stop_requested()) {
if (Settings::values.mouse_panning) {
// Slow movement by 4%
last_mouse_change *= 0.96f;
const float sensitivity =
Settings::values.mouse_panning_sensitivity.GetValue() * 0.022f;
SetAxis(identifier, mouse_axis_x, last_mouse_change.x * sensitivity);
SetAxis(identifier, mouse_axis_y, -last_mouse_change.y * sensitivity);
}
if (mouse_panning_timout++ > 20) {
StopPanning();
}
std::this_thread::sleep_for(std::chrono::milliseconds(update_time));
// Reset wheel position
SetAxis(identifier, wheel_axis_x, 0);
SetAxis(identifier, wheel_axis_y, 0);
}
}
void Mouse::MouseMove(int x, int y, f32 touch_x, f32 touch_y, int center_x, int center_y) {
SetAxis(identifier, touch_axis_x, touch_x);
SetAxis(identifier, touch_axis_y, touch_y);
if (Settings::values.mouse_panning) {
auto mouse_change =
(Common::MakeVec(x, y) - Common::MakeVec(center_x, center_y)).Cast<float>();
mouse_panning_timout = 0;
const auto move_distance = mouse_change.Length();
if (move_distance == 0) {
return;
}
// Make slow movements at least 3 units on lenght
if (move_distance < 3.0f) {
// Normalize value
mouse_change /= move_distance;
mouse_change *= 3.0f;
}
// Average mouse movements
last_mouse_change = (last_mouse_change * 0.91f) + (mouse_change * 0.09f);
const auto last_move_distance = last_mouse_change.Length();
// Make fast movements clamp to 8 units on lenght
if (last_move_distance > 8.0f) {
// Normalize value
last_mouse_change /= last_move_distance;
last_mouse_change *= 8.0f;
}
// Ignore average if it's less than 1 unit and use current movement value
if (last_move_distance < 1.0f) {
last_mouse_change = mouse_change / mouse_change.Length();
}
return;
}
if (button_pressed) {
const auto mouse_move = Common::MakeVec<int>(x, y) - mouse_origin;
const float sensitivity = Settings::values.mouse_panning_sensitivity.GetValue() * 0.0012f;
SetAxis(identifier, mouse_axis_x, static_cast<float>(mouse_move.x) * sensitivity);
SetAxis(identifier, mouse_axis_y, static_cast<float>(-mouse_move.y) * sensitivity);
}
}
void Mouse::PressButton(int x, int y, f32 touch_x, f32 touch_y, MouseButton button) {
SetAxis(identifier, touch_axis_x, touch_x);
SetAxis(identifier, touch_axis_y, touch_y);
SetButton(identifier, static_cast<int>(button), true);
// Set initial analog parameters
mouse_origin = {x, y};
last_mouse_position = {x, y};
button_pressed = true;
}
void Mouse::ReleaseButton(MouseButton button) {
SetButton(identifier, static_cast<int>(button), false);
if (!Settings::values.mouse_panning) {
SetAxis(identifier, mouse_axis_x, 0);
SetAxis(identifier, mouse_axis_y, 0);
}
button_pressed = false;
}
void Mouse::MouseWheelChange(int x, int y) {
SetAxis(identifier, wheel_axis_x, static_cast<f32>(x));
SetAxis(identifier, wheel_axis_y, static_cast<f32>(y));
}
void Mouse::ReleaseAllButtons() {
ResetButtonState();
button_pressed = false;
}
void Mouse::StopPanning() {
last_mouse_change = {};
}
std::vector<Common::ParamPackage> Mouse::GetInputDevices() const {
std::vector<Common::ParamPackage> devices;
devices.emplace_back(Common::ParamPackage{
{"engine", GetEngineName()},
{"display", "Keyboard/Mouse"},
});
return devices;
}
AnalogMapping Mouse::GetAnalogMappingForDevice(
[[maybe_unused]] const Common::ParamPackage& params) {
// Only overwrite different buttons from default
AnalogMapping mapping = {};
Common::ParamPackage right_analog_params;
right_analog_params.Set("engine", GetEngineName());
right_analog_params.Set("axis_x", 0);
right_analog_params.Set("axis_y", 1);
right_analog_params.Set("threshold", 0.5f);
right_analog_params.Set("range", 1.0f);
right_analog_params.Set("deadzone", 0.0f);
mapping.insert_or_assign(Settings::NativeAnalog::RStick, std::move(right_analog_params));
return mapping;
}
std::string Mouse::GetUIName(const Common::ParamPackage& params) const {
if (params.Has("button")) {
return fmt::format("Mouse {}", params.Get("button", 0));
}
return "Bad Mouse";
}
} // namespace InputCommon
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