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using OpenTK;
using OpenTK.Input;
using Ryujinx.HLE.Input;
using System;
namespace Ryujinx.UI.Input
{
public enum ControllerInputId
{
Button0,
Button1,
Button2,
Button3,
Button4,
Button5,
Button6,
Button7,
Button8,
Button9,
Button10,
Button11,
Button12,
Button13,
Button14,
Button15,
Button16,
Button17,
Button18,
Button19,
Button20,
Axis0,
Axis1,
Axis2,
Axis3,
Axis4,
Axis5,
Hat0Up,
Hat0Down,
Hat0Left,
Hat0Right,
Hat1Up,
Hat1Down,
Hat1Left,
Hat1Right,
Hat2Up,
Hat2Down,
Hat2Left,
Hat2Right,
}
public struct NpadControllerLeft
{
public ControllerInputId Stick;
public ControllerInputId StickButton;
public ControllerInputId ButtonMinus;
public ControllerInputId ButtonL;
public ControllerInputId ButtonZl;
public ControllerInputId DPadUp;
public ControllerInputId DPadDown;
public ControllerInputId DPadLeft;
public ControllerInputId DPadRight;
}
public struct NpadControllerRight
{
public ControllerInputId Stick;
public ControllerInputId StickY;
public ControllerInputId StickButton;
public ControllerInputId ButtonA;
public ControllerInputId ButtonB;
public ControllerInputId ButtonX;
public ControllerInputId ButtonY;
public ControllerInputId ButtonPlus;
public ControllerInputId ButtonR;
public ControllerInputId ButtonZr;
}
public class NpadController
{
/// <summary>
/// Enables or disables controller support
/// </summary>
public bool Enabled { get; private set; }
/// <summary>
/// Controller Device Index
/// </summary>
public int Index { get; private set; }
/// <summary>
/// Controller Analog Stick Deadzone
/// </summary>
public float Deadzone { get; private set; }
/// <summary>
/// Controller Trigger Threshold
/// </summary>
public float TriggerThreshold { get; private set; }
/// <summary>
/// Left JoyCon Controller Bindings
/// </summary>
public NpadControllerLeft LeftJoycon { get; private set; }
/// <summary>
/// Right JoyCon Controller Bindings
/// </summary>
public NpadControllerRight RightJoycon { get; private set; }
public NpadController(
bool enabled,
int index,
float deadzone,
float triggerThreshold,
NpadControllerLeft leftJoycon,
NpadControllerRight rightJoycon)
{
Enabled = enabled;
Index = index;
Deadzone = deadzone;
TriggerThreshold = triggerThreshold;
LeftJoycon = leftJoycon;
RightJoycon = rightJoycon;
}
public void SetEnabled(bool enabled)
{
Enabled = enabled;
}
public ControllerButtons GetButtons()
{
if (!Enabled)
{
return 0;
}
JoystickState joystickState = Joystick.GetState(Index);
ControllerButtons buttons = 0;
if (IsActivated(joystickState, LeftJoycon.DPadUp)) buttons |= ControllerButtons.DpadUp;
if (IsActivated(joystickState, LeftJoycon.DPadDown)) buttons |= ControllerButtons.DpadDown;
if (IsActivated(joystickState, LeftJoycon.DPadLeft)) buttons |= ControllerButtons.DpadLeft;
if (IsActivated(joystickState, LeftJoycon.DPadRight)) buttons |= ControllerButtons.DPadRight;
if (IsActivated(joystickState, LeftJoycon.StickButton)) buttons |= ControllerButtons.StickLeft;
if (IsActivated(joystickState, LeftJoycon.ButtonMinus)) buttons |= ControllerButtons.Minus;
if (IsActivated(joystickState, LeftJoycon.ButtonL)) buttons |= ControllerButtons.L;
if (IsActivated(joystickState, LeftJoycon.ButtonZl)) buttons |= ControllerButtons.Zl;
if (IsActivated(joystickState, RightJoycon.ButtonA)) buttons |= ControllerButtons.A;
if (IsActivated(joystickState, RightJoycon.ButtonB)) buttons |= ControllerButtons.B;
if (IsActivated(joystickState, RightJoycon.ButtonX)) buttons |= ControllerButtons.X;
if (IsActivated(joystickState, RightJoycon.ButtonY)) buttons |= ControllerButtons.Y;
if (IsActivated(joystickState, RightJoycon.StickButton)) buttons |= ControllerButtons.StickRight;
if (IsActivated(joystickState, RightJoycon.ButtonPlus)) buttons |= ControllerButtons.Plus;
if (IsActivated(joystickState, RightJoycon.ButtonR)) buttons |= ControllerButtons.R;
if (IsActivated(joystickState, RightJoycon.ButtonZr)) buttons |= ControllerButtons.Zr;
return buttons;
}
private bool IsActivated(JoystickState joystickState,ControllerInputId controllerInputId)
{
if (controllerInputId <= ControllerInputId.Button20)
{
return joystickState.IsButtonDown((int)controllerInputId);
}
else if (controllerInputId <= ControllerInputId.Axis5)
{
int axis = controllerInputId - ControllerInputId.Axis0;
return Math.Abs(joystickState.GetAxis(axis)) > Deadzone;
}
else if (controllerInputId <= ControllerInputId.Hat2Right)
{
int hat = (controllerInputId - ControllerInputId.Hat0Up) / 4;
int baseHatId = (int)ControllerInputId.Hat0Up + (hat * 4);
JoystickHatState hatState = joystickState.GetHat((JoystickHat)hat);
if (hatState.IsUp && ((int)controllerInputId % baseHatId == 0)) return true;
if (hatState.IsDown && ((int)controllerInputId % baseHatId == 1)) return true;
if (hatState.IsLeft && ((int)controllerInputId % baseHatId == 2)) return true;
if (hatState.IsRight && ((int)controllerInputId % baseHatId == 3)) return true;
}
return false;
}
public (short, short) GetLeftStick()
{
if (!Enabled)
{
return (0, 0);
}
return GetStick(LeftJoycon.Stick);
}
public (short, short) GetRightStick()
{
if (!Enabled)
{
return (0, 0);
}
return GetStick(RightJoycon.Stick);
}
private (short, short) GetStick(ControllerInputId stickInputId)
{
if (stickInputId < ControllerInputId.Axis0 || stickInputId > ControllerInputId.Axis5)
{
return (0, 0);
}
JoystickState jsState = Joystick.GetState(Index);
int xAxis = stickInputId - ControllerInputId.Axis0;
float xValue = jsState.GetAxis(xAxis);
float yValue = 0 - jsState.GetAxis(xAxis + 1); // Invert Y-axis
return ApplyDeadzone(new Vector2(xValue, yValue));
}
private (short, short) ApplyDeadzone(Vector2 axis)
{
return (ClampAxis(MathF.Abs(axis.X) > Deadzone ? axis.X : 0f),
ClampAxis(MathF.Abs(axis.Y) > Deadzone ? axis.Y : 0f));
}
private static short ClampAxis(float value)
{
if (value <= -short.MaxValue)
{
return -short.MaxValue;
}
else
{
return (short)(value * short.MaxValue);
}
}
}
}
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