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057bf986c4
This allows to bind pressure sensitive NeGcon buttons to keyboard, mouse and controller buttons
86 lines
3 KiB
C++
86 lines
3 KiB
C++
#pragma once
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#include "controller_interface.h"
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#include "core/types.h"
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#include <array>
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#include <functional>
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#include <mutex>
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#include <vector>
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union SDL_Event;
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class SDLControllerInterface final : public ControllerInterface
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{
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public:
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SDLControllerInterface();
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~SDLControllerInterface();
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Backend GetBackend() const override;
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bool Initialize(CommonHostInterface* host_interface) override;
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void Shutdown() override;
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/// Returns the path of the optional game controller database file.
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std::string GetGameControllerDBFileName() const;
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// Removes all bindings. Call before setting new bindings.
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void ClearBindings() override;
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// Binding to events. If a binding for this axis/button already exists, returns false.
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bool BindControllerAxis(int controller_index, int axis_number, AxisCallback callback) override;
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bool BindControllerButton(int controller_index, int button_number, ButtonCallback callback) override;
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bool BindControllerAxisToButton(int controller_index, int axis_number, bool direction,
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ButtonCallback callback) override;
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bool BindControllerButtonToAxis(int controller_index, int button_number, AxisCallback callback) override;
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// Changing rumble strength.
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u32 GetControllerRumbleMotorCount(int controller_index) override;
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void SetControllerRumbleStrength(int controller_index, const float* strengths, u32 num_motors) override;
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// Set scaling that will be applied on axis-to-axis mappings
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bool SetControllerAxisScale(int controller_index, float scale = 1.00f) override;
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// Set deadzone that will be applied on axis-to-button mappings
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bool SetControllerDeadzone(int controller_index, float size = 0.25f) override;
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void PollEvents() override;
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bool ProcessSDLEvent(const SDL_Event* event);
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private:
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struct ControllerData
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{
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void* controller;
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void* haptic;
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int haptic_left_right_effect;
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int joystick_id;
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int player_id;
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// Scaling value of 1.30f to 1.40f recommended when using recent controllers
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float axis_scale = 1.00f;
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float deadzone = 0.25f;
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std::array<AxisCallback, MAX_NUM_AXISES> axis_mapping;
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std::array<ButtonCallback, MAX_NUM_BUTTONS> button_mapping;
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std::array<std::array<ButtonCallback, 2>, MAX_NUM_AXISES> axis_button_mapping;
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std::array<AxisCallback, MAX_NUM_BUTTONS> button_axis_mapping;
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};
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using ControllerDataVector = std::vector<ControllerData>;
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ControllerDataVector::iterator GetControllerDataForController(void* controller);
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ControllerDataVector::iterator GetControllerDataForJoystickId(int id);
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ControllerDataVector::iterator GetControllerDataForPlayerId(int id);
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int GetFreePlayerId() const;
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bool OpenGameController(int index);
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bool CloseGameController(int joystick_index, bool notify);
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bool HandleControllerAxisEvent(const SDL_Event* event);
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bool HandleControllerButtonEvent(const SDL_Event* event);
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ControllerDataVector m_controllers;
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std::mutex m_event_intercept_mutex;
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Hook::Callback m_event_intercept_callback;
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bool m_sdl_subsystem_initialized = false;
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};
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