1 files changed, 0 insertions, 506 deletions

diff --git a/src/input_common/gcadapter/gc_adapter.cpp b/src/input_common/gcadapter/gc_adapter.cpp
deleted file mode 100644
index a2f1bb67c..000000000
--- a/src/input_common/gcadapter/gc_adapter.cpp
+++ /dev/null
@@ -1,506 +0,0 @@
-// Copyright 2014 Dolphin Emulator Project
-// Licensed under GPLv2+
-// Refer to the license.txt file included.
-
-#include <chrono>
-#include <thread>
-
-#include <libusb.h>
-
-#include "common/logging/log.h"
-#include "common/param_package.h"
-#include "common/settings_input.h"
-#include "input_common/gcadapter/gc_adapter.h"
-
-namespace GCAdapter {
-
-Adapter::Adapter() {
-    if (usb_adapter_handle != nullptr) {
-        return;
-    }
-    LOG_INFO(Input, "GC Adapter Initialization started");
-
-    const int init_res = libusb_init(&libusb_ctx);
-    if (init_res == LIBUSB_SUCCESS) {
-        adapter_scan_thread = std::thread(&Adapter::AdapterScanThread, this);
-    } else {
-        LOG_ERROR(Input, "libusb could not be initialized. failed with error = {}", init_res);
-    }
-}
-
-Adapter::~Adapter() {
-    Reset();
-}
-
-void Adapter::AdapterInputThread() {
-    LOG_DEBUG(Input, "GC Adapter input thread started");
-    s32 payload_size{};
-    AdapterPayload adapter_payload{};
-
-    if (adapter_scan_thread.joinable()) {
-        adapter_scan_thread.join();
-    }
-
-    while (adapter_input_thread_running) {
-        libusb_interrupt_transfer(usb_adapter_handle, input_endpoint, adapter_payload.data(),
-                                  static_cast<s32>(adapter_payload.size()), &payload_size, 16);
-        if (IsPayloadCorrect(adapter_payload, payload_size)) {
-            UpdateControllers(adapter_payload);
-            UpdateVibrations();
-        }
-        std::this_thread::yield();
-    }
-
-    if (restart_scan_thread) {
-        adapter_scan_thread = std::thread(&Adapter::AdapterScanThread, this);
-        restart_scan_thread = false;
-    }
-}
-
-bool Adapter::IsPayloadCorrect(const AdapterPayload& adapter_payload, s32 payload_size) {
-    if (payload_size != static_cast<s32>(adapter_payload.size()) ||
-        adapter_payload[0] != LIBUSB_DT_HID) {
-        LOG_DEBUG(Input, "Error reading payload (size: {}, type: {:02x})", payload_size,
-                  adapter_payload[0]);
-        if (input_error_counter++ > 20) {
-            LOG_ERROR(Input, "GC adapter timeout, Is the adapter connected?");
-            adapter_input_thread_running = false;
-            restart_scan_thread = true;
-        }
-        return false;
-    }
-
-    input_error_counter = 0;
-    return true;
-}
-
-void Adapter::UpdateControllers(const AdapterPayload& adapter_payload) {
-    for (std::size_t port = 0; port < pads.size(); ++port) {
-        const std::size_t offset = 1 + (9 * port);
-        const auto type = static_cast<ControllerTypes>(adapter_payload[offset] >> 4);
-        UpdatePadType(port, type);
-        if (DeviceConnected(port)) {
-            const u8 b1 = adapter_payload[offset + 1];
-            const u8 b2 = adapter_payload[offset + 2];
-            UpdateStateButtons(port, b1, b2);
-            UpdateStateAxes(port, adapter_payload);
-            if (configuring) {
-                UpdateYuzuSettings(port);
-            }
-        }
-    }
-}
-
-void Adapter::UpdatePadType(std::size_t port, ControllerTypes pad_type) {
-    if (pads[port].type == pad_type) {
-        return;
-    }
-    // Device changed reset device and set new type
-    ResetDevice(port);
-    pads[port].type = pad_type;
-}
-
-void Adapter::UpdateStateButtons(std::size_t port, u8 b1, u8 b2) {
-    if (port >= pads.size()) {
-        return;
-    }
-
-    static constexpr std::array<PadButton, 8> b1_buttons{
-        PadButton::ButtonA,    PadButton::ButtonB,     PadButton::ButtonX,    PadButton::ButtonY,
-        PadButton::ButtonLeft, PadButton::ButtonRight, PadButton::ButtonDown, PadButton::ButtonUp,
-    };
-
-    static constexpr std::array<PadButton, 4> b2_buttons{
-        PadButton::ButtonStart,
-        PadButton::TriggerZ,
-        PadButton::TriggerR,
-        PadButton::TriggerL,
-    };
-    pads[port].buttons = 0;
-    for (std::size_t i = 0; i < b1_buttons.size(); ++i) {
-        if ((b1 & (1U << i)) != 0) {
-            pads[port].buttons =
-                static_cast<u16>(pads[port].buttons | static_cast<u16>(b1_buttons[i]));
-            pads[port].last_button = b1_buttons[i];
-        }
-    }
-
-    for (std::size_t j = 0; j < b2_buttons.size(); ++j) {
-        if ((b2 & (1U << j)) != 0) {
-            pads[port].buttons =
-                static_cast<u16>(pads[port].buttons | static_cast<u16>(b2_buttons[j]));
-            pads[port].last_button = b2_buttons[j];
-        }
-    }
-}
-
-void Adapter::UpdateStateAxes(std::size_t port, const AdapterPayload& adapter_payload) {
-    if (port >= pads.size()) {
-        return;
-    }
-
-    const std::size_t offset = 1 + (9 * port);
-    static constexpr std::array<PadAxes, 6> axes{
-        PadAxes::StickX,    PadAxes::StickY,      PadAxes::SubstickX,
-        PadAxes::SubstickY, PadAxes::TriggerLeft, PadAxes::TriggerRight,
-    };
-
-    for (const PadAxes axis : axes) {
-        const auto index = static_cast<std::size_t>(axis);
-        const u8 axis_value = adapter_payload[offset + 3 + index];
-        if (pads[port].reset_origin_counter <= 18) {
-            if (pads[port].axis_origin[index] != axis_value) {
-                pads[port].reset_origin_counter = 0;
-            }
-            pads[port].axis_origin[index] = axis_value;
-            pads[port].reset_origin_counter++;
-        }
-        pads[port].axis_values[index] =
-            static_cast<s16>(axis_value - pads[port].axis_origin[index]);
-    }
-}
-
-void Adapter::UpdateYuzuSettings(std::size_t port) {
-    if (port >= pads.size()) {
-        return;
-    }
-
-    constexpr u8 axis_threshold = 50;
-    GCPadStatus pad_status = {.port = port};
-
-    if (pads[port].buttons != 0) {
-        pad_status.button = pads[port].last_button;
-        pad_queue.Push(pad_status);
-    }
-
-    // Accounting for a threshold here to ensure an intentional press
-    for (std::size_t i = 0; i < pads[port].axis_values.size(); ++i) {
-        const s16 value = pads[port].axis_values[i];
-
-        if (value > axis_threshold || value < -axis_threshold) {
-            pad_status.axis = static_cast<PadAxes>(i);
-            pad_status.axis_value = value;
-            pad_status.axis_threshold = axis_threshold;
-            pad_queue.Push(pad_status);
-        }
-    }
-}
-
-void Adapter::UpdateVibrations() {
-    // Use 8 states to keep the switching between on/off fast enough for
-    // a human to not notice the difference between switching from on/off
-    // More states = more rumble strengths = slower update time
-    constexpr u8 vibration_states = 8;
-
-    vibration_counter = (vibration_counter + 1) % vibration_states;
-
-    for (GCController& pad : pads) {
-        const bool vibrate = pad.rumble_amplitude > vibration_counter;
-        vibration_changed |= vibrate != pad.enable_vibration;
-        pad.enable_vibration = vibrate;
-    }
-    SendVibrations();
-}
-
-void Adapter::SendVibrations() {
-    if (!rumble_enabled || !vibration_changed) {
-        return;
-    }
-    s32 size{};
-    constexpr u8 rumble_command = 0x11;
-    const u8 p1 = pads[0].enable_vibration;
-    const u8 p2 = pads[1].enable_vibration;
-    const u8 p3 = pads[2].enable_vibration;
-    const u8 p4 = pads[3].enable_vibration;
-    std::array<u8, 5> payload = {rumble_command, p1, p2, p3, p4};
-    const int err = libusb_interrupt_transfer(usb_adapter_handle, output_endpoint, payload.data(),
-                                              static_cast<s32>(payload.size()), &size, 16);
-    if (err) {
-        LOG_DEBUG(Input, "Adapter libusb write failed: {}", libusb_error_name(err));
-        if (output_error_counter++ > 5) {
-            LOG_ERROR(Input, "GC adapter output timeout, Rumble disabled");
-            rumble_enabled = false;
-        }
-        return;
-    }
-    output_error_counter = 0;
-    vibration_changed = false;
-}
-
-bool Adapter::RumblePlay(std::size_t port, u8 amplitude) {
-    pads[port].rumble_amplitude = amplitude;
-
-    return rumble_enabled;
-}
-
-void Adapter::AdapterScanThread() {
-    adapter_scan_thread_running = true;
-    adapter_input_thread_running = false;
-    if (adapter_input_thread.joinable()) {
-        adapter_input_thread.join();
-    }
-    ClearLibusbHandle();
-    ResetDevices();
-    while (adapter_scan_thread_running && !adapter_input_thread_running) {
-        Setup();
-        std::this_thread::sleep_for(std::chrono::seconds(1));
-    }
-}
-
-void Adapter::Setup() {
-    usb_adapter_handle = libusb_open_device_with_vid_pid(libusb_ctx, 0x057e, 0x0337);
-
-    if (usb_adapter_handle == NULL) {
-        return;
-    }
-    if (!CheckDeviceAccess()) {
-        ClearLibusbHandle();
-        return;
-    }
-
-    libusb_device* device = libusb_get_device(usb_adapter_handle);
-
-    LOG_INFO(Input, "GC adapter is now connected");
-    // GC Adapter found and accessible, registering it
-    if (GetGCEndpoint(device)) {
-        adapter_scan_thread_running = false;
-        adapter_input_thread_running = true;
-        rumble_enabled = true;
-        input_error_counter = 0;
-        output_error_counter = 0;
-        adapter_input_thread = std::thread(&Adapter::AdapterInputThread, this);
-    }
-}
-
-bool Adapter::CheckDeviceAccess() {
-    // This fixes payload problems from offbrand GCAdapters
-    const s32 control_transfer_error =
-        libusb_control_transfer(usb_adapter_handle, 0x21, 11, 0x0001, 0, nullptr, 0, 1000);
-    if (control_transfer_error < 0) {
-        LOG_ERROR(Input, "libusb_control_transfer failed with error= {}", control_transfer_error);
-    }
-
-    s32 kernel_driver_error = libusb_kernel_driver_active(usb_adapter_handle, 0);
-    if (kernel_driver_error == 1) {
-        kernel_driver_error = libusb_detach_kernel_driver(usb_adapter_handle, 0);
-        if (kernel_driver_error != 0 && kernel_driver_error != LIBUSB_ERROR_NOT_SUPPORTED) {
-            LOG_ERROR(Input, "libusb_detach_kernel_driver failed with error = {}",
-                      kernel_driver_error);
-        }
-    }
-
-    if (kernel_driver_error && kernel_driver_error != LIBUSB_ERROR_NOT_SUPPORTED) {
-        libusb_close(usb_adapter_handle);
-        usb_adapter_handle = nullptr;
-        return false;
-    }
-
-    const int interface_claim_error = libusb_claim_interface(usb_adapter_handle, 0);
-    if (interface_claim_error) {
-        LOG_ERROR(Input, "libusb_claim_interface failed with error = {}", interface_claim_error);
-        libusb_close(usb_adapter_handle);
-        usb_adapter_handle = nullptr;
-        return false;
-    }
-
-    return true;
-}
-
-bool Adapter::GetGCEndpoint(libusb_device* device) {
-    libusb_config_descriptor* config = nullptr;
-    const int config_descriptor_return = libusb_get_config_descriptor(device, 0, &config);
-    if (config_descriptor_return != LIBUSB_SUCCESS) {
-        LOG_ERROR(Input, "libusb_get_config_descriptor failed with error = {}",
-                  config_descriptor_return);
-        return false;
-    }
-
-    for (u8 ic = 0; ic < config->bNumInterfaces; ic++) {
-        const libusb_interface* interfaceContainer = &config->interface[ic];
-        for (int i = 0; i < interfaceContainer->num_altsetting; i++) {
-            const libusb_interface_descriptor* interface = &interfaceContainer->altsetting[i];
-            for (u8 e = 0; e < interface->bNumEndpoints; e++) {
-                const libusb_endpoint_descriptor* endpoint = &interface->endpoint[e];
-                if ((endpoint->bEndpointAddress & LIBUSB_ENDPOINT_IN) != 0) {
-                    input_endpoint = endpoint->bEndpointAddress;
-                } else {
-                    output_endpoint = endpoint->bEndpointAddress;
-                }
-            }
-        }
-    }
-    // This transfer seems to be responsible for clearing the state of the adapter
-    // Used to clear the "busy" state of when the device is unexpectedly unplugged
-    unsigned char clear_payload = 0x13;
-    libusb_interrupt_transfer(usb_adapter_handle, output_endpoint, &clear_payload,
-                              sizeof(clear_payload), nullptr, 16);
-    return true;
-}
-
-void Adapter::JoinThreads() {
-    restart_scan_thread = false;
-    adapter_input_thread_running = false;
-    adapter_scan_thread_running = false;
-
-    if (adapter_scan_thread.joinable()) {
-        adapter_scan_thread.join();
-    }
-
-    if (adapter_input_thread.joinable()) {
-        adapter_input_thread.join();
-    }
-}
-
-void Adapter::ClearLibusbHandle() {
-    if (usb_adapter_handle) {
-        libusb_release_interface(usb_adapter_handle, 1);
-        libusb_close(usb_adapter_handle);
-        usb_adapter_handle = nullptr;
-    }
-}
-
-void Adapter::ResetDevices() {
-    for (std::size_t i = 0; i < pads.size(); ++i) {
-        ResetDevice(i);
-    }
-}
-
-void Adapter::ResetDevice(std::size_t port) {
-    pads[port].type = ControllerTypes::None;
-    pads[port].enable_vibration = false;
-    pads[port].rumble_amplitude = 0;
-    pads[port].buttons = 0;
-    pads[port].last_button = PadButton::Undefined;
-    pads[port].axis_values.fill(0);
-    pads[port].reset_origin_counter = 0;
-}
-
-void Adapter::Reset() {
-    JoinThreads();
-    ClearLibusbHandle();
-    ResetDevices();
-
-    if (libusb_ctx) {
-        libusb_exit(libusb_ctx);
-    }
-}
-
-std::vector<Common::ParamPackage> Adapter::GetInputDevices() const {
-    std::vector<Common::ParamPackage> devices;
-    for (std::size_t port = 0; port < pads.size(); ++port) {
-        if (!DeviceConnected(port)) {
-            continue;
-        }
-        std::string name = fmt::format("Gamecube Controller {}", port + 1);
-        devices.emplace_back(Common::ParamPackage{
-            {"class", "gcpad"},
-            {"display", std::move(name)},
-            {"port", std::to_string(port)},
-        });
-    }
-    return devices;
-}
-
-InputCommon::ButtonMapping Adapter::GetButtonMappingForDevice(
-    const Common::ParamPackage& params) const {
-    // This list is missing ZL/ZR since those are not considered buttons.
-    // We will add those afterwards
-    // This list also excludes any button that can't be really mapped
-    static constexpr std::array<std::pair<Settings::NativeButton::Values, PadButton>, 12>
-        switch_to_gcadapter_button = {
-            std::pair{Settings::NativeButton::A, PadButton::ButtonA},
-            {Settings::NativeButton::B, PadButton::ButtonB},
-            {Settings::NativeButton::X, PadButton::ButtonX},
-            {Settings::NativeButton::Y, PadButton::ButtonY},
-            {Settings::NativeButton::Plus, PadButton::ButtonStart},
-            {Settings::NativeButton::DLeft, PadButton::ButtonLeft},
-            {Settings::NativeButton::DUp, PadButton::ButtonUp},
-            {Settings::NativeButton::DRight, PadButton::ButtonRight},
-            {Settings::NativeButton::DDown, PadButton::ButtonDown},
-            {Settings::NativeButton::SL, PadButton::TriggerL},
-            {Settings::NativeButton::SR, PadButton::TriggerR},
-            {Settings::NativeButton::R, PadButton::TriggerZ},
-        };
-    if (!params.Has("port")) {
-        return {};
-    }
-
-    InputCommon::ButtonMapping mapping{};
-    for (const auto& [switch_button, gcadapter_button] : switch_to_gcadapter_button) {
-        Common::ParamPackage button_params({{"engine", "gcpad"}});
-        button_params.Set("port", params.Get("port", 0));
-        button_params.Set("button", static_cast<int>(gcadapter_button));
-        mapping.insert_or_assign(switch_button, std::move(button_params));
-    }
-
-    // Add the missing bindings for ZL/ZR
-    static constexpr std::array<std::pair<Settings::NativeButton::Values, PadAxes>, 2>
-        switch_to_gcadapter_axis = {
-            std::pair{Settings::NativeButton::ZL, PadAxes::TriggerLeft},
-            {Settings::NativeButton::ZR, PadAxes::TriggerRight},
-        };
-    for (const auto& [switch_button, gcadapter_axis] : switch_to_gcadapter_axis) {
-        Common::ParamPackage button_params({{"engine", "gcpad"}});
-        button_params.Set("port", params.Get("port", 0));
-        button_params.Set("button", static_cast<s32>(PadButton::Stick));
-        button_params.Set("axis", static_cast<s32>(gcadapter_axis));
-        button_params.Set("threshold", 0.5f);
-        button_params.Set("direction", "+");
-        mapping.insert_or_assign(switch_button, std::move(button_params));
-    }
-    return mapping;
-}
-
-InputCommon::AnalogMapping Adapter::GetAnalogMappingForDevice(
-    const Common::ParamPackage& params) const {
-    if (!params.Has("port")) {
-        return {};
-    }
-
-    InputCommon::AnalogMapping mapping = {};
-    Common::ParamPackage left_analog_params;
-    left_analog_params.Set("engine", "gcpad");
-    left_analog_params.Set("port", params.Get("port", 0));
-    left_analog_params.Set("axis_x", static_cast<int>(PadAxes::StickX));
-    left_analog_params.Set("axis_y", static_cast<int>(PadAxes::StickY));
-    mapping.insert_or_assign(Settings::NativeAnalog::LStick, std::move(left_analog_params));
-    Common::ParamPackage right_analog_params;
-    right_analog_params.Set("engine", "gcpad");
-    right_analog_params.Set("port", params.Get("port", 0));
-    right_analog_params.Set("axis_x", static_cast<int>(PadAxes::SubstickX));
-    right_analog_params.Set("axis_y", static_cast<int>(PadAxes::SubstickY));
-    mapping.insert_or_assign(Settings::NativeAnalog::RStick, std::move(right_analog_params));
-    return mapping;
-}
-
-bool Adapter::DeviceConnected(std::size_t port) const {
-    return pads[port].type != ControllerTypes::None;
-}
-
-void Adapter::BeginConfiguration() {
-    pad_queue.Clear();
-    configuring = true;
-}
-
-void Adapter::EndConfiguration() {
-    pad_queue.Clear();
-    configuring = false;
-}
-
-Common::SPSCQueue<GCPadStatus>& Adapter::GetPadQueue() {
-    return pad_queue;
-}
-
-const Common::SPSCQueue<GCPadStatus>& Adapter::GetPadQueue() const {
-    return pad_queue;
-}
-
-GCController& Adapter::GetPadState(std::size_t port) {
-    return pads.at(port);
-}
-
-const GCController& Adapter::GetPadState(std::size_t port) const {
-    return pads.at(port);
-}
-
-} // namespace GCAdapter