From 395e9a449d338e56ade9ea88ffeed297a7d86b10 Mon Sep 17 00:00:00 2001 From: german77 Date: Mon, 20 Sep 2021 17:22:07 -0500 Subject: input_common: Rewrite gc_adapter --- src/input_common/gcadapter/gc_poller.cpp | 356 ------------------------------- 1 file changed, 356 deletions(-) delete mode 100644 src/input_common/gcadapter/gc_poller.cpp (limited to 'src/input_common/gcadapter/gc_poller.cpp') diff --git a/src/input_common/gcadapter/gc_poller.cpp b/src/input_common/gcadapter/gc_poller.cpp deleted file mode 100644 index 1b6ded8d6..000000000 --- a/src/input_common/gcadapter/gc_poller.cpp +++ /dev/null @@ -1,356 +0,0 @@ -// Copyright 2020 yuzu Emulator Project -// Licensed under GPLv2 or any later version -// Refer to the license.txt file included. - -#include -#include -#include -#include -#include "common/assert.h" -#include "common/threadsafe_queue.h" -#include "input_common/gcadapter/gc_adapter.h" -#include "input_common/gcadapter/gc_poller.h" - -namespace InputCommon { - -class GCButton final : public Input::ButtonDevice { -public: - explicit GCButton(u32 port_, s32 button_, const GCAdapter::Adapter* adapter) - : port(port_), button(button_), gcadapter(adapter) {} - - ~GCButton() override; - - bool GetStatus() const override { - if (gcadapter->DeviceConnected(port)) { - return (gcadapter->GetPadState(port).buttons & button) != 0; - } - return false; - } - -private: - const u32 port; - const s32 button; - const GCAdapter::Adapter* gcadapter; -}; - -class GCAxisButton final : public Input::ButtonDevice { -public: - explicit GCAxisButton(u32 port_, u32 axis_, float threshold_, bool trigger_if_greater_, - const GCAdapter::Adapter* adapter) - : port(port_), axis(axis_), threshold(threshold_), trigger_if_greater(trigger_if_greater_), - gcadapter(adapter) {} - - bool GetStatus() const override { - if (gcadapter->DeviceConnected(port)) { - const float current_axis_value = gcadapter->GetPadState(port).axis_values.at(axis); - const float axis_value = current_axis_value / 128.0f; - if (trigger_if_greater) { - // TODO: Might be worthwile to set a slider for the trigger threshold. It is - // currently always set to 0.5 in configure_input_player.cpp ZL/ZR HandleClick - return axis_value > threshold; - } - return axis_value < -threshold; - } - return false; - } - -private: - const u32 port; - const u32 axis; - float threshold; - bool trigger_if_greater; - const GCAdapter::Adapter* gcadapter; -}; - -GCButtonFactory::GCButtonFactory(std::shared_ptr adapter_) - : adapter(std::move(adapter_)) {} - -GCButton::~GCButton() = default; - -std::unique_ptr GCButtonFactory::Create(const Common::ParamPackage& params) { - const auto button_id = params.Get("button", 0); - const auto port = static_cast(params.Get("port", 0)); - - constexpr s32 PAD_STICK_ID = static_cast(GCAdapter::PadButton::Stick); - - // button is not an axis/stick button - if (button_id != PAD_STICK_ID) { - return std::make_unique(port, button_id, adapter.get()); - } - - // For Axis buttons, used by the binary sticks. - if (button_id == PAD_STICK_ID) { - const int axis = params.Get("axis", 0); - const float threshold = params.Get("threshold", 0.25f); - const std::string direction_name = params.Get("direction", ""); - bool trigger_if_greater; - if (direction_name == "+") { - trigger_if_greater = true; - } else if (direction_name == "-") { - trigger_if_greater = false; - } else { - trigger_if_greater = true; - LOG_ERROR(Input, "Unknown direction {}", direction_name); - } - return std::make_unique(port, axis, threshold, trigger_if_greater, - adapter.get()); - } - - return nullptr; -} - -Common::ParamPackage GCButtonFactory::GetNextInput() const { - Common::ParamPackage params; - GCAdapter::GCPadStatus pad; - auto& queue = adapter->GetPadQueue(); - while (queue.Pop(pad)) { - // This while loop will break on the earliest detected button - params.Set("engine", "gcpad"); - params.Set("port", static_cast(pad.port)); - if (pad.button != GCAdapter::PadButton::Undefined) { - params.Set("button", static_cast(pad.button)); - } - - // For Axis button implementation - if (pad.axis != GCAdapter::PadAxes::Undefined) { - params.Set("axis", static_cast(pad.axis)); - params.Set("button", static_cast(GCAdapter::PadButton::Stick)); - params.Set("threshold", "0.25"); - if (pad.axis_value > 0) { - params.Set("direction", "+"); - } else { - params.Set("direction", "-"); - } - break; - } - } - return params; -} - -void GCButtonFactory::BeginConfiguration() { - polling = true; - adapter->BeginConfiguration(); -} - -void GCButtonFactory::EndConfiguration() { - polling = false; - adapter->EndConfiguration(); -} - -class GCAnalog final : public Input::AnalogDevice { -public: - explicit GCAnalog(u32 port_, u32 axis_x_, u32 axis_y_, bool invert_x_, bool invert_y_, - float deadzone_, float range_, const GCAdapter::Adapter* adapter) - : port(port_), axis_x(axis_x_), axis_y(axis_y_), invert_x(invert_x_), invert_y(invert_y_), - deadzone(deadzone_), range(range_), gcadapter(adapter) {} - - float GetAxis(u32 axis) const { - if (gcadapter->DeviceConnected(port)) { - std::lock_guard lock{mutex}; - const auto axis_value = - static_cast(gcadapter->GetPadState(port).axis_values.at(axis)); - return (axis_value) / (100.0f * range); - } - return 0.0f; - } - - std::pair GetAnalog(u32 analog_axis_x, u32 analog_axis_y) const { - float x = GetAxis(analog_axis_x); - float y = GetAxis(analog_axis_y); - if (invert_x) { - x = -x; - } - if (invert_y) { - y = -y; - } - // Make sure the coordinates are in the unit circle, - // otherwise normalize it. - float r = x * x + y * y; - if (r > 1.0f) { - r = std::sqrt(r); - x /= r; - y /= r; - } - - return {x, y}; - } - - std::tuple GetStatus() const override { - const auto [x, y] = GetAnalog(axis_x, axis_y); - const float r = std::sqrt((x * x) + (y * y)); - if (r > deadzone) { - return {x / r * (r - deadzone) / (1 - deadzone), - y / r * (r - deadzone) / (1 - deadzone)}; - } - return {0.0f, 0.0f}; - } - - std::tuple GetRawStatus() const override { - const float x = GetAxis(axis_x); - const float y = GetAxis(axis_y); - return {x, y}; - } - - Input::AnalogProperties GetAnalogProperties() const override { - return {deadzone, range, 0.5f}; - } - - bool GetAnalogDirectionStatus(Input::AnalogDirection direction) const override { - const auto [x, y] = GetStatus(); - const float directional_deadzone = 0.5f; - switch (direction) { - case Input::AnalogDirection::RIGHT: - return x > directional_deadzone; - case Input::AnalogDirection::LEFT: - return x < -directional_deadzone; - case Input::AnalogDirection::UP: - return y > directional_deadzone; - case Input::AnalogDirection::DOWN: - return y < -directional_deadzone; - } - return false; - } - -private: - const u32 port; - const u32 axis_x; - const u32 axis_y; - const bool invert_x; - const bool invert_y; - const float deadzone; - const float range; - const GCAdapter::Adapter* gcadapter; - mutable std::mutex mutex; -}; - -/// An analog device factory that creates analog devices from GC Adapter -GCAnalogFactory::GCAnalogFactory(std::shared_ptr adapter_) - : adapter(std::move(adapter_)) {} - -/** - * Creates analog device from joystick axes - * @param params contains parameters for creating the device: - * - "port": the nth gcpad on the adapter - * - "axis_x": the index of the axis to be bind as x-axis - * - "axis_y": the index of the axis to be bind as y-axis - */ -std::unique_ptr GCAnalogFactory::Create(const Common::ParamPackage& params) { - const auto port = static_cast(params.Get("port", 0)); - const auto axis_x = static_cast(params.Get("axis_x", 0)); - const auto axis_y = static_cast(params.Get("axis_y", 1)); - const auto deadzone = std::clamp(params.Get("deadzone", 0.0f), 0.0f, 1.0f); - const auto range = std::clamp(params.Get("range", 1.0f), 0.50f, 1.50f); - const std::string invert_x_value = params.Get("invert_x", "+"); - const std::string invert_y_value = params.Get("invert_y", "+"); - const bool invert_x = invert_x_value == "-"; - const bool invert_y = invert_y_value == "-"; - - return std::make_unique(port, axis_x, axis_y, invert_x, invert_y, deadzone, range, - adapter.get()); -} - -void GCAnalogFactory::BeginConfiguration() { - polling = true; - adapter->BeginConfiguration(); -} - -void GCAnalogFactory::EndConfiguration() { - polling = false; - adapter->EndConfiguration(); -} - -Common::ParamPackage GCAnalogFactory::GetNextInput() { - GCAdapter::GCPadStatus pad; - Common::ParamPackage params; - auto& queue = adapter->GetPadQueue(); - while (queue.Pop(pad)) { - if (pad.button != GCAdapter::PadButton::Undefined) { - params.Set("engine", "gcpad"); - params.Set("port", static_cast(pad.port)); - params.Set("button", static_cast(pad.button)); - return params; - } - if (pad.axis == GCAdapter::PadAxes::Undefined || - std::abs(static_cast(pad.axis_value) / 128.0f) < 0.1f) { - continue; - } - // An analog device needs two axes, so we need to store the axis for later and wait for - // a second input event. The axes also must be from the same joystick. - const u8 axis = static_cast(pad.axis); - if (axis == 0 || axis == 1) { - analog_x_axis = 0; - analog_y_axis = 1; - controller_number = static_cast(pad.port); - break; - } - if (axis == 2 || axis == 3) { - analog_x_axis = 2; - analog_y_axis = 3; - controller_number = static_cast(pad.port); - break; - } - - if (analog_x_axis == -1) { - analog_x_axis = axis; - controller_number = static_cast(pad.port); - } else if (analog_y_axis == -1 && analog_x_axis != axis && - controller_number == static_cast(pad.port)) { - analog_y_axis = axis; - break; - } - } - if (analog_x_axis != -1 && analog_y_axis != -1) { - params.Set("engine", "gcpad"); - params.Set("port", controller_number); - params.Set("axis_x", analog_x_axis); - params.Set("axis_y", analog_y_axis); - params.Set("invert_x", "+"); - params.Set("invert_y", "+"); - analog_x_axis = -1; - analog_y_axis = -1; - controller_number = -1; - return params; - } - return params; -} - -class GCVibration final : public Input::VibrationDevice { -public: - explicit GCVibration(u32 port_, GCAdapter::Adapter* adapter) - : port(port_), gcadapter(adapter) {} - - u8 GetStatus() const override { - return gcadapter->RumblePlay(port, 0); - } - - bool SetRumblePlay(f32 amp_low, [[maybe_unused]] f32 freq_low, f32 amp_high, - [[maybe_unused]] f32 freq_high) const override { - const auto mean_amplitude = (amp_low + amp_high) * 0.5f; - const auto processed_amplitude = - static_cast((mean_amplitude + std::pow(mean_amplitude, 0.3f)) * 0.5f * 0x8); - - return gcadapter->RumblePlay(port, processed_amplitude); - } - -private: - const u32 port; - GCAdapter::Adapter* gcadapter; -}; - -/// An vibration device factory that creates vibration devices from GC Adapter -GCVibrationFactory::GCVibrationFactory(std::shared_ptr adapter_) - : adapter(std::move(adapter_)) {} - -/** - * Creates a vibration device from a joystick - * @param params contains parameters for creating the device: - * - "port": the nth gcpad on the adapter - */ -std::unique_ptr GCVibrationFactory::Create( - const Common::ParamPackage& params) { - const auto port = static_cast(params.Get("port", 0)); - - return std::make_unique(port, adapter.get()); -} - -} // namespace InputCommon -- cgit v1.2.3