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90 lines
2.8 KiB
C++
90 lines
2.8 KiB
C++
// SPDX-FileCopyrightText: 2019-2025 Connor McLaughlin <stenzek@gmail.com>
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// SPDX-License-Identifier: CC-BY-NC-ND-4.0
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#pragma once
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#define DIRECTINPUT_VERSION 0x0800
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#include "common/windows_headers.h"
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#include "core/types.h"
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#include "input_source.h"
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#include <array>
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#include <dinput.h>
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#include <functional>
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#include <mutex>
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#include <vector>
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#include <wrl/client.h>
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class DInputSource final : public InputSource
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{
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public:
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enum HAT_DIRECTION : u32
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{
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HAT_DIRECTION_UP = 0,
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HAT_DIRECTION_DOWN = 1,
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HAT_DIRECTION_LEFT = 2,
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HAT_DIRECTION_RIGHT = 3,
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NUM_HAT_DIRECTIONS = 4,
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};
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enum : u32
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{
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MAX_NUM_BUTTONS = 32,
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};
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DInputSource();
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~DInputSource() override;
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bool Initialize(const SettingsInterface& si, std::unique_lock<std::mutex>& settings_lock) override;
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void UpdateSettings(const SettingsInterface& si, std::unique_lock<std::mutex>& settings_lock) override;
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bool ReloadDevices() override;
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void Shutdown() override;
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void PollEvents() override;
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InputManager::DeviceList EnumerateDevices() override;
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InputManager::VibrationMotorList EnumerateVibrationMotors(std::optional<InputBindingKey> for_device) override;
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bool GetGenericBindingMapping(std::string_view device, GenericInputBindingMapping* mapping) override;
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void UpdateMotorState(InputBindingKey key, float intensity) override;
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void UpdateMotorState(InputBindingKey large_key, InputBindingKey small_key, float large_intensity,
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float small_intensity) override;
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bool ContainsDevice(std::string_view device) const override;
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std::optional<InputBindingKey> ParseKeyString(std::string_view device, std::string_view binding) override;
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TinyString ConvertKeyToString(InputBindingKey key) override;
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TinyString ConvertKeyToIcon(InputBindingKey key, InputManager::BindingIconMappingFunction mapper) override;
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std::unique_ptr<ForceFeedbackDevice> CreateForceFeedbackDevice(std::string_view device, Error* error) override;
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private:
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template<typename T>
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using ComPtr = Microsoft::WRL::ComPtr<T>;
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struct ControllerData
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{
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ComPtr<IDirectInputDevice8W> device;
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DIJOYSTATE last_state = {};
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GUID guid = {};
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std::vector<u32> axis_offsets;
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u32 num_buttons = 0;
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// NOTE: We expose hats as num_buttons + (hat_index * 4) + direction.
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u32 num_hats = 0;
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bool needs_poll = true;
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};
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using ControllerDataArray = std::vector<ControllerData>;
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static std::array<bool, NUM_HAT_DIRECTIONS> GetHatButtons(DWORD hat);
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static std::string GetDeviceIdentifier(u32 index);
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bool AddDevice(ControllerData& cd, const std::string& name);
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void CheckForStateChanges(size_t index, const DIJOYSTATE& new_state);
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ControllerDataArray m_controllers;
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HMODULE m_dinput_module{};
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ComPtr<IDirectInput8W> m_dinput;
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LPCDIDATAFORMAT m_joystick_data_format{};
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HWND m_toplevel_window = NULL;
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};
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