383 lines
12 KiB
C++
383 lines
12 KiB
C++
// Copyright 2021 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/input.h"
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#include "core/hid/input_converter.h"
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namespace Core::HID {
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Common::Input::BatteryStatus TransformToBattery(const Common::Input::CallbackStatus& callback) {
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Common::Input::BatteryStatus battery{Common::Input::BatteryStatus::None};
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switch (callback.type) {
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case Common::Input::InputType::Analog:
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case Common::Input::InputType::Trigger: {
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const auto value = TransformToTrigger(callback).analog.value;
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battery = Common::Input::BatteryLevel::Empty;
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if (value > 0.2f) {
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battery = Common::Input::BatteryLevel::Critical;
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}
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if (value > 0.4f) {
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battery = Common::Input::BatteryLevel::Low;
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}
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if (value > 0.6f) {
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battery = Common::Input::BatteryLevel::Medium;
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}
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if (value > 0.8f) {
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battery = Common::Input::BatteryLevel::Full;
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}
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if (value >= 0.95f) {
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battery = Common::Input::BatteryLevel::Charging;
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}
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break;
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}
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case Common::Input::InputType::Button:
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battery = callback.button_status.value ? Common::Input::BatteryLevel::Charging
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: Common::Input::BatteryLevel::Critical;
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break;
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case Common::Input::InputType::Battery:
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battery = callback.battery_status;
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break;
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default:
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LOG_ERROR(Input, "Conversion from type {} to battery not implemented", callback.type);
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break;
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}
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return battery;
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}
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Common::Input::ButtonStatus TransformToButton(const Common::Input::CallbackStatus& callback) {
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Common::Input::ButtonStatus status{};
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switch (callback.type) {
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case Common::Input::InputType::Analog:
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case Common::Input::InputType::Trigger:
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status.value = TransformToTrigger(callback).pressed.value;
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break;
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case Common::Input::InputType::Button:
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status = callback.button_status;
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break;
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default:
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LOG_ERROR(Input, "Conversion from type {} to button not implemented", callback.type);
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break;
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}
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if (status.inverted) {
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status.value = !status.value;
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}
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return status;
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}
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Common::Input::MotionStatus TransformToMotion(const Common::Input::CallbackStatus& callback) {
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Common::Input::MotionStatus status{};
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switch (callback.type) {
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case Common::Input::InputType::Button: {
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Common::Input::AnalogProperties properties{
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.deadzone = 0.0f,
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.range = 1.0f,
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.offset = 0.0f,
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};
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status.delta_timestamp = 5000;
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status.force_update = true;
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status.accel.x = {
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.value = 0.0f,
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.raw_value = 0.0f,
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.properties = properties,
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};
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status.accel.y = {
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.value = 0.0f,
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.raw_value = 0.0f,
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.properties = properties,
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};
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status.accel.z = {
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.value = 0.0f,
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.raw_value = -1.0f,
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.properties = properties,
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};
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status.gyro.x = {
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.value = 0.0f,
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.raw_value = 0.0f,
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.properties = properties,
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};
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status.gyro.y = {
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.value = 0.0f,
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.raw_value = 0.0f,
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.properties = properties,
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};
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status.gyro.z = {
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.value = 0.0f,
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.raw_value = 0.0f,
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.properties = properties,
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};
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if (TransformToButton(callback).value) {
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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(-5000, 5000);
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status.accel.x.raw_value = static_cast<f32>(distribution(gen)) * 0.001f;
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status.accel.y.raw_value = static_cast<f32>(distribution(gen)) * 0.001f;
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status.accel.z.raw_value = static_cast<f32>(distribution(gen)) * 0.001f;
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status.gyro.x.raw_value = static_cast<f32>(distribution(gen)) * 0.001f;
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status.gyro.y.raw_value = static_cast<f32>(distribution(gen)) * 0.001f;
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status.gyro.z.raw_value = static_cast<f32>(distribution(gen)) * 0.001f;
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}
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break;
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}
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case Common::Input::InputType::Motion:
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status = callback.motion_status;
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break;
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default:
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LOG_ERROR(Input, "Conversion from type {} to motion not implemented", callback.type);
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break;
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}
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SanitizeAnalog(status.accel.x, false);
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SanitizeAnalog(status.accel.y, false);
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SanitizeAnalog(status.accel.z, false);
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SanitizeAnalog(status.gyro.x, false);
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SanitizeAnalog(status.gyro.y, false);
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SanitizeAnalog(status.gyro.z, false);
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return status;
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}
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Common::Input::StickStatus TransformToStick(const Common::Input::CallbackStatus& callback) {
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Common::Input::StickStatus status{};
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switch (callback.type) {
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case Common::Input::InputType::Stick:
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status = callback.stick_status;
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break;
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default:
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LOG_ERROR(Input, "Conversion from type {} to stick not implemented", callback.type);
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break;
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}
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SanitizeStick(status.x, status.y, true);
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const auto& properties_x = status.x.properties;
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const auto& properties_y = status.y.properties;
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const float x = status.x.value;
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const float y = status.y.value;
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// Set directional buttons
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status.right = x > properties_x.threshold;
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status.left = x < -properties_x.threshold;
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status.up = y > properties_y.threshold;
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status.down = y < -properties_y.threshold;
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return status;
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}
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Common::Input::TouchStatus TransformToTouch(const Common::Input::CallbackStatus& callback) {
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Common::Input::TouchStatus status{};
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switch (callback.type) {
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case Common::Input::InputType::Touch:
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status = callback.touch_status;
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break;
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case Common::Input::InputType::Stick:
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status.x = callback.stick_status.x;
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status.y = callback.stick_status.y;
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break;
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default:
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LOG_ERROR(Input, "Conversion from type {} to touch not implemented", callback.type);
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break;
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}
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SanitizeAnalog(status.x, true);
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SanitizeAnalog(status.y, true);
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float& x = status.x.value;
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float& y = status.y.value;
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// Adjust if value is inverted
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x = status.x.properties.inverted ? 1.0f + x : x;
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y = status.y.properties.inverted ? 1.0f + y : y;
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// clamp value
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x = std::clamp(x, 0.0f, 1.0f);
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y = std::clamp(y, 0.0f, 1.0f);
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if (status.pressed.inverted) {
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status.pressed.value = !status.pressed.value;
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}
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return status;
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}
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Common::Input::TriggerStatus TransformToTrigger(const Common::Input::CallbackStatus& callback) {
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Common::Input::TriggerStatus status{};
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float& raw_value = status.analog.raw_value;
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bool calculate_button_value = true;
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switch (callback.type) {
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case Common::Input::InputType::Analog:
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status.analog.properties = callback.analog_status.properties;
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raw_value = callback.analog_status.raw_value;
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break;
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case Common::Input::InputType::Button:
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status.analog.properties.range = 1.0f;
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status.analog.properties.inverted = callback.button_status.inverted;
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raw_value = callback.button_status.value ? 1.0f : 0.0f;
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break;
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case Common::Input::InputType::Trigger:
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status = callback.trigger_status;
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calculate_button_value = false;
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break;
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default:
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LOG_ERROR(Input, "Conversion from type {} to trigger not implemented", callback.type);
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break;
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}
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SanitizeAnalog(status.analog, true);
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const auto& properties = status.analog.properties;
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float& value = status.analog.value;
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// Set button status
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if (calculate_button_value) {
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status.pressed.value = value > properties.threshold;
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}
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// Adjust if value is inverted
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value = properties.inverted ? 1.0f + value : value;
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// clamp value
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value = std::clamp(value, 0.0f, 1.0f);
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return status;
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}
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Common::Input::AnalogStatus TransformToAnalog(const Common::Input::CallbackStatus& callback) {
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Common::Input::AnalogStatus status{};
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switch (callback.type) {
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case Common::Input::InputType::Analog:
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status.properties = callback.analog_status.properties;
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status.raw_value = callback.analog_status.raw_value;
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break;
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default:
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LOG_ERROR(Input, "Conversion from type {} to analog not implemented", callback.type);
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break;
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}
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SanitizeAnalog(status, false);
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// Adjust if value is inverted
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status.value = status.properties.inverted ? -status.value : status.value;
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return status;
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}
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void SanitizeAnalog(Common::Input::AnalogStatus& analog, bool clamp_value) {
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const auto& properties = analog.properties;
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float& raw_value = analog.raw_value;
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float& value = analog.value;
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if (!std::isnormal(raw_value)) {
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raw_value = 0;
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}
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// Apply center offset
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raw_value -= properties.offset;
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// Set initial values to be formated
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value = raw_value;
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// Calculate vector size
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const float r = std::abs(value);
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// Return zero if value is smaller than the deadzone
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if (r <= properties.deadzone || properties.deadzone == 1.0f) {
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analog.value = 0;
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return;
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}
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// Adjust range of value
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const float deadzone_factor =
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1.0f / r * (r - properties.deadzone) / (1.0f - properties.deadzone);
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value = value * deadzone_factor / properties.range;
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// Invert direction if needed
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if (properties.inverted) {
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value = -value;
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}
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// Clamp value
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if (clamp_value) {
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value = std::clamp(value, -1.0f, 1.0f);
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}
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}
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void SanitizeStick(Common::Input::AnalogStatus& analog_x, Common::Input::AnalogStatus& analog_y,
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bool clamp_value) {
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const auto& properties_x = analog_x.properties;
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const auto& properties_y = analog_y.properties;
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float& raw_x = analog_x.raw_value;
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float& raw_y = analog_y.raw_value;
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float& x = analog_x.value;
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float& y = analog_y.value;
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if (!std::isnormal(raw_x)) {
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raw_x = 0;
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}
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if (!std::isnormal(raw_y)) {
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raw_y = 0;
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}
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// Apply center offset
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raw_x += properties_x.offset;
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raw_y += properties_y.offset;
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// Apply X scale correction from offset
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if (std::abs(properties_x.offset) < 0.5f) {
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if (raw_x > 0) {
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raw_x /= 1 + properties_x.offset;
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} else {
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raw_x /= 1 - properties_x.offset;
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}
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}
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// Apply Y scale correction from offset
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if (std::abs(properties_y.offset) < 0.5f) {
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if (raw_y > 0) {
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raw_y /= 1 + properties_y.offset;
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} else {
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raw_y /= 1 - properties_y.offset;
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}
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}
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// Invert direction if needed
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raw_x = properties_x.inverted ? -raw_x : raw_x;
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raw_y = properties_y.inverted ? -raw_y : raw_y;
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// Set initial values to be formated
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x = raw_x;
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y = raw_y;
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// Calculate vector size
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float r = x * x + y * y;
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r = std::sqrt(r);
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// TODO(German77): Use deadzone and range of both axis
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// Return zero if values are smaller than the deadzone
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if (r <= properties_x.deadzone || properties_x.deadzone >= 1.0f) {
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x = 0;
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y = 0;
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return;
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}
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// Adjust range of joystick
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const float deadzone_factor =
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1.0f / r * (r - properties_x.deadzone) / (1.0f - properties_x.deadzone);
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x = x * deadzone_factor / properties_x.range;
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y = y * deadzone_factor / properties_x.range;
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r = r * deadzone_factor / properties_x.range;
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// Normalize joystick
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if (clamp_value && r > 1.0f) {
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x /= r;
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y /= r;
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}
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}
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} // namespace Core::HID
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