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// SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
// SPDX-License-Identifier: GPL-3.0-or-later
#include <algorithm>
#include "common/settings.h"
#include "core/frontend/emu_window.h"
#include "hid_core/hid_core.h"
#include "hid_core/resources/touch_screen/touch_screen_driver.h"
namespace Service::HID {
TouchDriver::TouchDriver(Core::HID::HIDCore& hid_core) {
console = hid_core.GetEmulatedConsole();
}
TouchDriver::~TouchDriver() = default;
Result TouchDriver::StartTouchSensor() {
is_running = true;
return ResultSuccess;
}
Result TouchDriver::StopTouchSensor() {
is_running = false;
return ResultSuccess;
}
bool TouchDriver::IsRunning() const {
return is_running;
}
void TouchDriver::ProcessTouchScreenAutoTune() const {
// TODO
}
Result TouchDriver::WaitForDummyInput() {
touch_status = {};
return ResultSuccess;
}
Result TouchDriver::WaitForInput() {
touch_status = {};
const auto touch_input = console->GetTouch();
for (std::size_t id = 0; id < touch_status.states.size(); id++) {
const auto& current_touch = touch_input[id];
auto& finger = fingers[id];
finger.id = current_touch.id;
if (finger.attribute.start_touch) {
finger.attribute.raw = 0;
continue;
}
if (finger.attribute.end_touch) {
finger.attribute.raw = 0;
finger.pressed = false;
continue;
}
if (!finger.pressed && current_touch.pressed) {
finger.attribute.start_touch.Assign(1);
finger.pressed = true;
finger.position = current_touch.position;
continue;
}
if (finger.pressed && !current_touch.pressed) {
finger.attribute.raw = 0;
finger.attribute.end_touch.Assign(1);
continue;
}
// Only update position if touch is not on a special frame
finger.position = current_touch.position;
}
std::array<Core::HID::TouchFinger, MaxFingers> active_fingers;
const auto end_iter = std::copy_if(fingers.begin(), fingers.end(), active_fingers.begin(),
[](const auto& finger) { return finger.pressed; });
const auto active_fingers_count =
static_cast<std::size_t>(std::distance(active_fingers.begin(), end_iter));
touch_status.entry_count = static_cast<s32>(active_fingers_count);
for (std::size_t id = 0; id < MaxFingers; ++id) {
auto& touch_entry = touch_status.states[id];
if (id < active_fingers_count) {
const auto& [active_x, active_y] = active_fingers[id].position;
touch_entry.position = {
.x = static_cast<u16>(active_x * TouchSensorWidth),
.y = static_cast<u16>(active_y * TouchSensorHeight),
};
touch_entry.diameter_x = Settings::values.touchscreen.diameter_x;
touch_entry.diameter_y = Settings::values.touchscreen.diameter_y;
touch_entry.rotation_angle = Settings::values.touchscreen.rotation_angle;
touch_entry.finger = active_fingers[id].id;
touch_entry.attribute.raw = active_fingers[id].attribute.raw;
}
}
return ResultSuccess;
}
void TouchDriver::GetNextTouchState(TouchScreenState& out_state) const {
out_state = touch_status;
}
void TouchDriver::SetTouchMode(Core::HID::TouchScreenModeForNx mode) {
touch_mode = mode;
}
Core::HID::TouchScreenModeForNx TouchDriver::GetTouchMode() const {
return touch_mode;
}
} // namespace Service::HID
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