diff options
| -rw-r--r-- | src/input_common/input_engine.cpp | 361 | ||||
| -rw-r--r-- | src/input_common/input_engine.h | 224 |
2 files changed, 585 insertions, 0 deletions
diff --git a/src/input_common/input_engine.cpp b/src/input_common/input_engine.cpp new file mode 100644 index 000000000..1534f24b0 --- /dev/null +++ b/src/input_common/input_engine.cpp @@ -0,0 +1,361 @@ +// Copyright 2021 yuzu Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included + +#include "common/logging/log.h" +#include "common/param_package.h" +#include "input_common/input_engine.h" + +namespace InputCommon { + +void InputEngine::PreSetController(const PadIdentifier& identifier) { + std::lock_guard lock{mutex}; + if (!controller_list.contains(identifier)) { + controller_list.insert_or_assign(identifier, ControllerData{}); + } +} + +void InputEngine::PreSetButton(const PadIdentifier& identifier, int button) { + std::lock_guard lock{mutex}; + ControllerData& controller = controller_list.at(identifier); + if (!controller.buttons.contains(button)) { + controller.buttons.insert_or_assign(button, false); + } +} + +void InputEngine::PreSetHatButton(const PadIdentifier& identifier, int button) { + std::lock_guard lock{mutex}; + ControllerData& controller = controller_list.at(identifier); + if (!controller.hat_buttons.contains(button)) { + controller.hat_buttons.insert_or_assign(button, u8{0}); + } +} + +void InputEngine::PreSetAxis(const PadIdentifier& identifier, int axis) { + std::lock_guard lock{mutex}; + ControllerData& controller = controller_list.at(identifier); + if (!controller.axes.contains(axis)) { + controller.axes.insert_or_assign(axis, 0.0f); + } +} + +void InputEngine::PreSetMotion(const PadIdentifier& identifier, int motion) { + std::lock_guard lock{mutex}; + ControllerData& controller = controller_list.at(identifier); + if (!controller.motions.contains(motion)) { + controller.motions.insert_or_assign(motion, BasicMotion{}); + } +} + +void InputEngine::SetButton(const PadIdentifier& identifier, int button, bool value) { + { + std::lock_guard lock{mutex}; + ControllerData& controller = controller_list.at(identifier); + if (!configuring) { + controller.buttons.insert_or_assign(button, value); + } + } + TriggerOnButtonChange(identifier, button, value); +} + +void InputEngine::SetHatButton(const PadIdentifier& identifier, int button, u8 value) { + { + std::lock_guard lock{mutex}; + ControllerData& controller = controller_list.at(identifier); + if (!configuring) { + controller.hat_buttons.insert_or_assign(button, value); + } + } + TriggerOnHatButtonChange(identifier, button, value); +} + +void InputEngine::SetAxis(const PadIdentifier& identifier, int axis, f32 value) { + { + std::lock_guard lock{mutex}; + ControllerData& controller = controller_list.at(identifier); + if (!configuring) { + controller.axes.insert_or_assign(axis, value); + } + } + TriggerOnAxisChange(identifier, axis, value); +} + +void InputEngine::SetBattery(const PadIdentifier& identifier, BatteryLevel value) { + { + std::lock_guard lock{mutex}; + ControllerData& controller = controller_list.at(identifier); + if (!configuring) { + controller.battery = value; + } + } + TriggerOnBatteryChange(identifier, value); +} + +void InputEngine::SetMotion(const PadIdentifier& identifier, int motion, BasicMotion value) { + { + std::lock_guard lock{mutex}; + ControllerData& controller = controller_list.at(identifier); + if (!configuring) { + controller.motions.insert_or_assign(motion, value); + } + } + TriggerOnMotionChange(identifier, motion, value); +} + +bool InputEngine::GetButton(const PadIdentifier& identifier, int button) const { + std::lock_guard lock{mutex}; + if (!controller_list.contains(identifier)) { + LOG_ERROR(Input, "Invalid identifier guid={}, pad={}, port={}", identifier.guid.Format(), + identifier.pad, identifier.port); + return false; + } + ControllerData controller = controller_list.at(identifier); + if (!controller.buttons.contains(button)) { + LOG_ERROR(Input, "Invalid button {}", button); + return false; + } + return controller.buttons.at(button); +} + +bool InputEngine::GetHatButton(const PadIdentifier& identifier, int button, u8 direction) const { + std::lock_guard lock{mutex}; + if (!controller_list.contains(identifier)) { + LOG_ERROR(Input, "Invalid identifier guid={}, pad={}, port={}", identifier.guid.Format(), + identifier.pad, identifier.port); + return false; + } + ControllerData controller = controller_list.at(identifier); + if (!controller.hat_buttons.contains(button)) { + LOG_ERROR(Input, "Invalid hat button {}", button); + return false; + } + return (controller.hat_buttons.at(button) & direction) != 0; +} + +f32 InputEngine::GetAxis(const PadIdentifier& identifier, int axis) const { + std::lock_guard lock{mutex}; + if (!controller_list.contains(identifier)) { + LOG_ERROR(Input, "Invalid identifier guid={}, pad={}, port={}", identifier.guid.Format(), + identifier.pad, identifier.port); + return 0.0f; + } + ControllerData controller = controller_list.at(identifier); + if (!controller.axes.contains(axis)) { + LOG_ERROR(Input, "Invalid axis {}", axis); + return 0.0f; + } + return controller.axes.at(axis); +} + +BatteryLevel InputEngine::GetBattery(const PadIdentifier& identifier) const { + std::lock_guard lock{mutex}; + if (!controller_list.contains(identifier)) { + LOG_ERROR(Input, "Invalid identifier guid={}, pad={}, port={}", identifier.guid.Format(), + identifier.pad, identifier.port); + return BatteryLevel::Charging; + } + ControllerData controller = controller_list.at(identifier); + return controller.battery; +} + +BasicMotion InputEngine::GetMotion(const PadIdentifier& identifier, int motion) const { + std::lock_guard lock{mutex}; + if (!controller_list.contains(identifier)) { + LOG_ERROR(Input, "Invalid identifier guid={}, pad={}, port={}", identifier.guid.Format(), + identifier.pad, identifier.port); + return {}; + } + ControllerData controller = controller_list.at(identifier); + return controller.motions.at(motion); +} + +void InputEngine::ResetButtonState() { + for (std::pair<PadIdentifier, ControllerData> controller : controller_list) { + for (std::pair<int, bool> button : controller.second.buttons) { + SetButton(controller.first, button.first, false); + } + for (std::pair<int, bool> button : controller.second.hat_buttons) { + SetHatButton(controller.first, button.first, false); + } + } +} + +void InputEngine::ResetAnalogState() { + for (std::pair<PadIdentifier, ControllerData> controller : controller_list) { + for (std::pair<int, float> axis : controller.second.axes) { + SetAxis(controller.first, axis.first, 0.0); + } + } +} + +void InputEngine::TriggerOnButtonChange(const PadIdentifier& identifier, int button, bool value) { + std::lock_guard lock{mutex_callback}; + for (const std::pair<int, InputIdentifier> poller_pair : callback_list) { + const InputIdentifier& poller = poller_pair.second; + if (!IsInputIdentifierEqual(poller, identifier, EngineInputType::Button, button)) { + continue; + } + if (poller.callback.on_change) { + poller.callback.on_change(); + } + } + if (!configuring || !mapping_callback.on_data) { + return; + } + if (value == GetButton(identifier, button)) { + return; + } + mapping_callback.on_data(MappingData{ + .engine = GetEngineName(), + .pad = identifier, + .type = EngineInputType::Button, + .index = button, + .button_value = value, + }); +} + +void InputEngine::TriggerOnHatButtonChange(const PadIdentifier& identifier, int button, u8 value) { + std::lock_guard lock{mutex_callback}; + for (const std::pair<int, InputIdentifier> poller_pair : callback_list) { + const InputIdentifier& poller = poller_pair.second; + if (!IsInputIdentifierEqual(poller, identifier, EngineInputType::HatButton, button)) { + continue; + } + if (poller.callback.on_change) { + poller.callback.on_change(); + } + } + if (!configuring || !mapping_callback.on_data) { + return; + } + for (std::size_t index = 1; index < 0xff; index <<= 1) { + bool button_value = (value & index) != 0; + if (button_value == GetHatButton(identifier, button, static_cast<u8>(index))) { + continue; + } + mapping_callback.on_data(MappingData{ + .engine = GetEngineName(), + .pad = identifier, + .type = EngineInputType::HatButton, + .index = button, + .hat_name = GetHatButtonName(static_cast<u8>(index)), + }); + } +} + +void InputEngine::TriggerOnAxisChange(const PadIdentifier& identifier, int axis, f32 value) { + std::lock_guard lock{mutex_callback}; + for (const std::pair<int, InputIdentifier> poller_pair : callback_list) { + const InputIdentifier& poller = poller_pair.second; + if (!IsInputIdentifierEqual(poller, identifier, EngineInputType::Analog, axis)) { + continue; + } + if (poller.callback.on_change) { + poller.callback.on_change(); + } + } + if (!configuring || !mapping_callback.on_data) { + return; + } + if (std::abs(value - GetAxis(identifier, axis)) < 0.5f) { + return; + } + mapping_callback.on_data(MappingData{ + .engine = GetEngineName(), + .pad = identifier, + .type = EngineInputType::Analog, + .index = axis, + .axis_value = value, + }); +} + +void InputEngine::TriggerOnBatteryChange(const PadIdentifier& identifier, + [[maybe_unused]] BatteryLevel value) { + std::lock_guard lock{mutex_callback}; + for (const std::pair<int, InputIdentifier> poller_pair : callback_list) { + const InputIdentifier& poller = poller_pair.second; + if (!IsInputIdentifierEqual(poller, identifier, EngineInputType::Battery, 0)) { + continue; + } + if (poller.callback.on_change) { + poller.callback.on_change(); + } + } +} + +void InputEngine::TriggerOnMotionChange(const PadIdentifier& identifier, int motion, + BasicMotion value) { + std::lock_guard lock{mutex_callback}; + for (const std::pair<int, InputIdentifier> poller_pair : callback_list) { + const InputIdentifier& poller = poller_pair.second; + if (!IsInputIdentifierEqual(poller, identifier, EngineInputType::Motion, motion)) { + continue; + } + if (poller.callback.on_change) { + poller.callback.on_change(); + } + } + if (!configuring || !mapping_callback.on_data) { + return; + } + if (std::abs(value.gyro_x) < 1.0f && std::abs(value.gyro_y) < 1.0f && + std::abs(value.gyro_z) < 1.0f) { + return; + } + mapping_callback.on_data(MappingData{ + .engine = GetEngineName(), + .pad = identifier, + .type = EngineInputType::Motion, + .index = motion, + .motion_value = value, + }); +} + +bool InputEngine::IsInputIdentifierEqual(const InputIdentifier& input_identifier, + const PadIdentifier& identifier, EngineInputType type, + std::size_t index) const { + if (input_identifier.type != type) { + return false; + } + if (input_identifier.index != index) { + return false; + } + if (input_identifier.identifier != identifier) { + return false; + } + return true; +} + +void InputEngine::BeginConfiguration() { + configuring = true; +} + +void InputEngine::EndConfiguration() { + configuring = false; +} + +const std::string& InputEngine::GetEngineName() const { + return input_engine; +} + +int InputEngine::SetCallback(InputIdentifier input_identifier) { + std::lock_guard lock{mutex_callback}; + callback_list.insert_or_assign(last_callback_key, input_identifier); + return last_callback_key++; +} + +void InputEngine::SetMappingCallback(MappingCallback callback) { + std::lock_guard lock{mutex_callback}; + mapping_callback = std::move(callback); +} + +void InputEngine::DeleteCallback(int key) { + std::lock_guard lock{mutex_callback}; + if (!callback_list.contains(key)) { + LOG_ERROR(Input, "Tried to delete non-existent callback {}", key); + return; + } + callback_list.erase(key); +} + +} // namespace InputCommon diff --git a/src/input_common/input_engine.h b/src/input_common/input_engine.h new file mode 100644 index 000000000..86a8e00d8 --- /dev/null +++ b/src/input_common/input_engine.h @@ -0,0 +1,224 @@ +// Copyright 2021 yuzu Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included + +#pragma once + +#include <functional> +#include <mutex> +#include <unordered_map> + +#include "common/common_types.h" +#include "common/input.h" +#include "common/param_package.h" +#include "common/uuid.h" +#include "input_common/main.h" + +// Pad Identifier of data source +struct PadIdentifier { + Common::UUID guid{}; + std::size_t port{}; + std::size_t pad{}; + + friend constexpr bool operator==(const PadIdentifier&, const PadIdentifier&) = default; +}; + +// Basic motion data containing data from the sensors and a timestamp in microsecons +struct BasicMotion { + float gyro_x; + float gyro_y; + float gyro_z; + float accel_x; + float accel_y; + float accel_z; + u64 delta_timestamp; +}; + +// Stages of a battery charge +enum class BatteryLevel { + Empty, + Critical, + Low, + Medium, + Full, + Charging, +}; + +// Types of input that are stored in the engine +enum class EngineInputType { + None, + Button, + HatButton, + Analog, + Motion, + Battery, +}; + +namespace std { +// Hash used to create lists from PadIdentifier data +template <> +struct hash<PadIdentifier> { + size_t operator()(const PadIdentifier& pad_id) const noexcept { + u64 hash_value = pad_id.guid.uuid[1] ^ pad_id.guid.uuid[0]; + hash_value ^= (static_cast<u64>(pad_id.port) << 32); + hash_value ^= static_cast<u64>(pad_id.pad); + return static_cast<size_t>(hash_value); + } +}; + +} // namespace std + +namespace InputCommon { + +// Data from the engine and device needed for creating a ParamPackage +struct MappingData { + std::string engine{}; + PadIdentifier pad{}; + EngineInputType type{}; + int index{}; + bool button_value{}; + std::string hat_name{}; + f32 axis_value{}; + BasicMotion motion_value{}; +}; + +// Triggered if data changed on the controller +struct UpdateCallback { + std::function<void()> on_change; +}; + +// Triggered if data changed on the controller and the engine is on configuring mode +struct MappingCallback { + std::function<void(MappingData)> on_data; +}; + +// Input Identifier of data source +struct InputIdentifier { + PadIdentifier identifier; + EngineInputType type; + std::size_t index; + UpdateCallback callback; +}; + +class InputEngine { +public: + explicit InputEngine(const std::string& input_engine_) : input_engine(input_engine_) { + callback_list.clear(); + } + + virtual ~InputEngine() = default; + + // Enable configuring mode for mapping + void BeginConfiguration(); + + // Disable configuring mode for mapping + void EndConfiguration(); + + // Sets rumble to a controller + virtual bool SetRumble([[maybe_unused]] const PadIdentifier& identifier, + [[maybe_unused]] const Input::VibrationStatus vibration) { + return false; + } + + // Sets a led pattern for a controller + virtual void SetLeds([[maybe_unused]] const PadIdentifier& identifier, + [[maybe_unused]] const Input::LedStatus led_status) { + return; + } + + // Returns the engine name + [[nodiscard]] const std::string& GetEngineName() const; + + /// Used for automapping features + virtual std::vector<Common::ParamPackage> GetInputDevices() const { + return {}; + }; + + /// Retrieves the button mappings for the given device + virtual InputCommon::ButtonMapping GetButtonMappingForDevice( + [[maybe_unused]] const Common::ParamPackage& params) { + return {}; + }; + + /// Retrieves the analog mappings for the given device + virtual InputCommon::AnalogMapping GetAnalogMappingForDevice( + [[maybe_unused]] const Common::ParamPackage& params) { + return {}; + }; + + /// Retrieves the motion mappings for the given device + virtual InputCommon::MotionMapping GetMotionMappingForDevice( + [[maybe_unused]] const Common::ParamPackage& params) { + return {}; + }; + + /// Retrieves the name of the given input. + virtual std::string GetUIName([[maybe_unused]] const Common::ParamPackage& params) const { + return GetEngineName(); + }; + + /// Retrieves the index number of the given hat button direction + virtual u8 GetHatButtonId([[maybe_unused]] const std::string direction_name) const { + return 0; + }; + + void PreSetController(const PadIdentifier& identifier); + void PreSetButton(const PadIdentifier& identifier, int button); + void PreSetHatButton(const PadIdentifier& identifier, int button); + void PreSetAxis(const PadIdentifier& identifier, int axis); + void PreSetMotion(const PadIdentifier& identifier, int motion); + void ResetButtonState(); + void ResetAnalogState(); + + bool GetButton(const PadIdentifier& identifier, int button) const; + bool GetHatButton(const PadIdentifier& identifier, int button, u8 direction) const; + f32 GetAxis(const PadIdentifier& identifier, int axis) const; + BatteryLevel GetBattery(const PadIdentifier& identifier) const; + BasicMotion GetMotion(const PadIdentifier& identifier, int motion) const; + + int SetCallback(InputIdentifier input_identifier); + void SetMappingCallback(MappingCallback callback); + void DeleteCallback(int key); + +protected: + void SetButton(const PadIdentifier& identifier, int button, bool value); + void SetHatButton(const PadIdentifier& identifier, int button, u8 value); + void SetAxis(const PadIdentifier& identifier, int axis, f32 value); + void SetBattery(const PadIdentifier& identifier, BatteryLevel value); + void SetMotion(const PadIdentifier& identifier, int motion, BasicMotion value); + + virtual std::string GetHatButtonName([[maybe_unused]] u8 direction_value) const { + return "Unknown"; + } + +private: + struct ControllerData { + std::unordered_map<int, bool> buttons; + std::unordered_map<int, u8> hat_buttons; + std::unordered_map<int, float> axes; + std::unordered_map<int, BasicMotion> motions; + BatteryLevel battery; + }; + + void TriggerOnButtonChange(const PadIdentifier& identifier, int button, bool value); + void TriggerOnHatButtonChange(const PadIdentifier& identifier, int button, u8 value); + void TriggerOnAxisChange(const PadIdentifier& identifier, int button, f32 value); + void TriggerOnBatteryChange(const PadIdentifier& identifier, BatteryLevel value); + void TriggerOnMotionChange(const PadIdentifier& identifier, int motion, BasicMotion value); + + bool IsInputIdentifierEqual(const InputIdentifier& input_identifier, + const PadIdentifier& identifier, EngineInputType type, + std::size_t index) const; + + mutable std::mutex mutex; + mutable std::mutex mutex_callback; + bool configuring{false}; + bool is_callback_enabled{true}; + const std::string input_engine; + int last_callback_key = 0; + std::unordered_map<PadIdentifier, ControllerData> controller_list; + std::unordered_map<int, InputIdentifier> callback_list; + MappingCallback mapping_callback; +}; + +} // namespace InputCommon |