105 lines
3.1 KiB
C++
105 lines
3.1 KiB
C++
/// jstick - Dead Simple Game Controller Input Wrapper
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/// Developed and maintained by Josh O'Leary @ Redacted Software
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/// (c) 2025 redacted.cc
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/// This work is dedicated to the public domain.
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#pragma once
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#include <cstdint>
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#include <Event.h>
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#include <J3ML/LinearAlgebra.hpp>
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// TODO: Implement simulate DPad Axis button.
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// TODO: Make sure Ash applies @ redlobster website.
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// TODO: Periodically poll the system to discover device connection and disconnection.
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namespace jstick {
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/// A data structure that represents a common symbol for a device button,
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/// which has different enum IDs depending on the brand / style of the device.
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struct ButtonMapping {};
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namespace Buttons {}
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class Joystick {
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Joystick();
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public:
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protected:
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unsigned int hwid;
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private:
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};
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enum class ControllerType {
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XBox,
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PS3, PS4, PS5,
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Switch,
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Generic,
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Unknown,
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};
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enum class XBoxButton : uint8_t
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{
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ButtonA = 0,
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ButtonB = 1,
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ButtonX = 2,
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ButtonY = 3,
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BumperL = 4,
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BumperR = 5,
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Back = 6,
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Start = 7,
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TheBigOne = 8,
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ThumbL = 9,
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ThumbR = 10,
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};
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Event<int> JoystickConnected;
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Event<int> JoystickDisconnected;
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Event<XBoxButton> ButtonPressed;
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Event<XBoxButton> ButtonReleased;
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Event<Vector2> LeftThumbstickMoved;
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Event<Vector2> RightThumbstickMoved;
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Event<Vector2> DPadMoved;
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Event<short> LeftTriggerMoved;
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Event<short> RightTriggerMoved;
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//Event<int, JoystickAxis> AxisMoved;
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bool Initialize();
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bool Cleanup();
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/// Checks the device files for a joystick with the given handle.
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/// @return True if the joystick device file exists.
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/// @note Joystick devices are indexed by an incrementing integer ID, on *nix systems.
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bool JoystickDetected(int jsHandle = 0);
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/// @return True if there is a connected joystick device with the matching Hardware ID.
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/// @note jstick supports only one device at a time, currently.
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bool Connected(int hwid = 0);
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/// Attempts to connect and initialize a joystick device with the given Hardware ID.
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bool Connect(int hwid = 0);
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bool Disconnect(int hwid = 0);
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int NumJoysticksDetected();
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void JoystickServiceUpdate();
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void ReadEventLoop();
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bool IsButtonDown(const XBoxButton& btn);
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short GetLeftTrigger();
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short GetRightTrigger();
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Vector2 GetLeftThumbstickAxis(float deadzone = 1e-2f);
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Vector2 GetRightThumbstickAxis(float deadzone = 1e-2f);
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Vector2 GetDPadAxis(float deadzone = 1e-2f);
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// TODO: Find a better name for the function set that converts -32768/+32768 range to -1/+1
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// TODO: Because Normalization specifically refers to clamping the Axis Vector to Unit Vector range,
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// TODO: And I wan that set of functions as part of the API as well.
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Vector2 GetLeftThumbstickAxisNormalized(float deadzone = 1e-3f);
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Vector2 GetRightThumbstickAxisNormalized(float deadzone = 1e-3f);
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Vector2 GetDPadAxisNormalized(float deadzone = 1e-3f);
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float GetLeftTriggerNormalized();
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float GetRightTriggerNormalized();
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}
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