mirror of
https://github.com/RetroDECK/Duckstation.git
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82 lines
2.4 KiB
C++
82 lines
2.4 KiB
C++
#pragma once
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#define DIRECTINPUT_VERSION 0x0800
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#include "common/windows_headers.h"
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#include "input_source.h"
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#include "core/types.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(SettingsInterface& si, std::unique_lock<std::mutex>& settings_lock) override;
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void UpdateSettings(SettingsInterface& si, std::unique_lock<std::mutex>& settings_lock) override;
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void Shutdown() override;
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void PollEvents() override;
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std::vector<std::pair<std::string, std::string>> EnumerateDevices() override;
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std::vector<InputBindingKey> EnumerateMotors() override;
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bool GetGenericBindingMapping(const 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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std::optional<InputBindingKey> ParseKeyString(const std::string_view& device,
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const std::string_view& binding) override;
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std::string ConvertKeyToString(InputBindingKey key) 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<IDirectInputDevice8> device;
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DIJOYSTATE last_state = {};
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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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void AddDevices(HWND toplevel_window);
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bool AddDevice(ControllerData& cd, HWND toplevel_window, const char* 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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LPCDIDATAFORMAT m_joystick_data_format{};
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ComPtr<IDirectInput8> m_dinput;
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};
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