mirror of
https://github.com/cemu-project/DS4Windows.git
synced 2024-11-23 01:39:17 +01:00
331 lines
12 KiB
C#
331 lines
12 KiB
C#
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namespace DS4Windows
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{
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class MouseCursor
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{
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private readonly int deviceNumber;
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public MouseCursor(int deviceNum)
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{
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deviceNumber = deviceNum;
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}
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// Keep track of remainders when performing moves or we lose fractional parts.
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private double horizontalRemainder = 0.0, verticalRemainder = 0.0;
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private double hRemainder = 0.0, vRemainder = 0.0;
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/** Indicate x/y direction for doing jitter compensation, etc. */
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public enum Direction { Negative, Neutral, Positive }
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// Track direction vector separately and very trivially for now.
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private Direction horizontalDirection = Direction.Neutral,
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verticalDirection = Direction.Neutral;
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private Direction hDirection = Direction.Neutral, vDirection = Direction.Neutral;
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private const double GYRO_MOUSE_COEFFICIENT = 0.0095;
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private const int GYRO_MOUSE_DEADZONE = 12;
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private const double GYRO_MOUSE_OFFSET = 0.1463;
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private const double GYRO_SMOOTH_MOUSE_OFFSET = 0.14698;
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private const double TOUCHPAD_MOUSE_OFFSET = 0.015;
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private const int SMOOTH_BUFFER_LEN = 3;
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private double[] xSmoothBuffer = new double[SMOOTH_BUFFER_LEN];
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private double[] ySmoothBuffer = new double[SMOOTH_BUFFER_LEN];
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private int smoothBufferTail = 0;
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double coefficient = 0.0;
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double verticalScale = 0.0;
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bool gyroSmooth = false;
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int tempInt = 0;
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double tempDouble = 0.0;
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public virtual void sixaxisMoved(SixAxisEventArgs arg)
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{
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int deltaX = 0, deltaY = 0;
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deltaX = Global.getGyroMouseHorizontalAxis(deviceNumber) == 0 ? arg.sixAxis.gyroYawFull :
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arg.sixAxis.gyroRollFull;
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deltaY = -arg.sixAxis.gyroPitchFull;
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//tempDouble = arg.sixAxis.elapsed * 0.001 * 200.0; // Base default speed on 5 ms
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tempDouble = arg.sixAxis.elapsed * 200.0; // Base default speed on 5 ms
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gyroSmooth = Global.getGyroSmoothing(deviceNumber);
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double gyroSmoothWeight = 0.0;
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coefficient = (Global.getGyroSensitivity(deviceNumber) * 0.01) * GYRO_MOUSE_COEFFICIENT;
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double offset = GYRO_MOUSE_OFFSET;
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if (gyroSmooth)
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{
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gyroSmoothWeight = Global.getGyroSmoothingWeight(deviceNumber);
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if (gyroSmoothWeight > 0.0)
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{
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offset = GYRO_SMOOTH_MOUSE_OFFSET;
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}
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}
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double tempAngle = System.Math.Atan2(-deltaY, deltaX);
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double normX = System.Math.Abs(System.Math.Cos(tempAngle));
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double normY = System.Math.Abs(System.Math.Sin(tempAngle));
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int signX = System.Math.Sign(deltaX);
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int signY = System.Math.Sign(deltaY);
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if (deltaX == 0 || (hRemainder > 0 != deltaX > 0))
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{
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hRemainder = 0.0;
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}
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if (deltaY == 0 || (vRemainder > 0 != deltaY > 0))
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{
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vRemainder = 0.0;
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}
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int deadzoneX = (int)System.Math.Abs(normX * GYRO_MOUSE_DEADZONE);
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int deadzoneY = (int)System.Math.Abs(normY * GYRO_MOUSE_DEADZONE);
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if (System.Math.Abs(deltaX) > deadzoneX)
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{
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deltaX -= signX * deadzoneX;
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}
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else
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{
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deltaX = 0;
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}
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if (System.Math.Abs(deltaY) > deadzoneY)
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{
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deltaY -= signY * deadzoneY;
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}
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else
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{
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deltaY = 0;
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}
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double xMotion = deltaX != 0 ? coefficient * (deltaX * tempDouble)
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+ (normX * (offset * signX)) : 0;
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int xAction = 0;
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if (xMotion != 0.0)
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{
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xMotion += hRemainder;
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}
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else
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{
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hRemainder = 0.0;
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}
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verticalScale = Global.getGyroSensVerticalScale(deviceNumber) * 0.01;
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double yMotion = deltaY != 0 ? (coefficient * verticalScale) * (deltaY * tempDouble)
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+ (normY * (offset * signY)) : 0;
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int yAction = 0;
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if (yMotion != 0.0)
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{
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yMotion += vRemainder;
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}
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else
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{
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vRemainder = 0.0;
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}
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if (gyroSmooth)
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{
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int iIndex = smoothBufferTail % SMOOTH_BUFFER_LEN;
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xSmoothBuffer[iIndex] = xMotion;
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ySmoothBuffer[iIndex] = yMotion;
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smoothBufferTail = iIndex + 1;
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double currentWeight = 1.0;
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double finalWeight = 0.0;
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double x_out = 0.0, y_out = 0.0;
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int idx = 0;
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for (int i = 0; i < SMOOTH_BUFFER_LEN; i++)
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{
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idx = System.Math.Abs(smoothBufferTail - i - 1) % SMOOTH_BUFFER_LEN;
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x_out += xSmoothBuffer[idx] * currentWeight;
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y_out += ySmoothBuffer[idx] * currentWeight;
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finalWeight += currentWeight;
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currentWeight *= gyroSmoothWeight;
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}
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x_out /= finalWeight;
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xMotion = x_out;
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y_out /= finalWeight;
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yMotion = y_out;
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}
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hRemainder = vRemainder = 0.0;
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if (xMotion != 0.0)
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{
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xAction = (int)xMotion;
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hRemainder = xMotion - xAction;
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}
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if (yMotion != 0.0)
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{
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yAction = (int)yMotion;
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vRemainder = yMotion - yAction;
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}
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int gyroInvert = Global.getGyroInvert(deviceNumber);
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if ((gyroInvert & 0x02) == 2)
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xAction *= -1;
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if ((gyroInvert & 0x01) == 1)
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yAction *= -1;
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if (yAction != 0 || xAction != 0)
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InputMethods.MoveCursorBy(xAction, yAction);
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hDirection = xMotion > 0.0 ? Direction.Positive : xMotion < 0.0 ? Direction.Negative : Direction.Neutral;
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vDirection = yMotion > 0.0 ? Direction.Positive : yMotion < 0.0 ? Direction.Negative : Direction.Neutral;
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}
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public void mouseRemainderReset()
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{
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hRemainder = vRemainder = 0.0;
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int iIndex = smoothBufferTail % SMOOTH_BUFFER_LEN;
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xSmoothBuffer[iIndex] = 0.0;
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ySmoothBuffer[iIndex] = 0.0;
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smoothBufferTail = iIndex + 1;
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}
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public void touchesBegan(TouchpadEventArgs arg)
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{
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if (arg.touches.Length == 1)
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{
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horizontalRemainder = verticalRemainder = 0.0;
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horizontalDirection = verticalDirection = Direction.Neutral;
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}
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}
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private byte lastTouchID;
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public void touchesMoved(TouchpadEventArgs arg, bool dragging, bool disableInvert = false)
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{
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int touchesLen = arg.touches.Length;
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if ((!dragging && touchesLen != 1) || (dragging && touchesLen < 1))
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return;
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int deltaX = 0, deltaY = 0;
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if (arg.touches[0].touchID != lastTouchID)
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{
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deltaX = deltaY = 0;
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horizontalRemainder = verticalRemainder = 0.0;
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horizontalDirection = verticalDirection = Direction.Neutral;
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lastTouchID = arg.touches[0].touchID;
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}
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else if (Global.getTouchpadJitterCompensation(deviceNumber))
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{
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// Often the DS4's internal jitter compensation kicks in and starts hiding changes, ironically creating jitter...
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if (dragging && touchesLen > 1)
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{
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deltaX = arg.touches[1].deltaX;
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deltaY = arg.touches[1].deltaY;
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}
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else
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{
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deltaX = arg.touches[0].deltaX;
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deltaY = arg.touches[0].deltaY;
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}
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// allow only very fine, slow motions, when changing direction, even from neutral
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// TODO maybe just consume it completely?
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if (deltaX <= -1)
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{
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if (horizontalDirection != Direction.Negative)
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{
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deltaX = -1;
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horizontalRemainder = 0.0;
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}
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}
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else if (deltaX >= 1)
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{
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if (horizontalDirection != Direction.Positive)
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{
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deltaX = 1;
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horizontalRemainder = 0.0;
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}
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}
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if (deltaY <= -1)
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{
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if (verticalDirection != Direction.Negative)
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{
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deltaY = -1;
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verticalRemainder = 0.0;
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}
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}
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else if (deltaY >= 1)
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{
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if (verticalDirection != Direction.Positive)
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{
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deltaY = 1;
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verticalRemainder = 0.0;
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}
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}
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}
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else
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{
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if (dragging && touchesLen > 1)
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{
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deltaX = arg.touches[1].deltaX;
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deltaY = arg.touches[1].deltaY;
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}
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else
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{
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deltaX = arg.touches[0].deltaX;
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deltaY = arg.touches[0].deltaY;
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}
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}
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double tempAngle = System.Math.Atan2(-deltaY, deltaX);
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double normX = System.Math.Abs(System.Math.Cos(tempAngle));
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double normY = System.Math.Abs(System.Math.Sin(tempAngle));
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int signX = System.Math.Sign(deltaX);
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int signY = System.Math.Sign(deltaY);
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double coefficient = Global.TouchSensitivity[deviceNumber] * 0.01;
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// Collect rounding errors instead of losing motion.
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double xMotion = deltaX != 0 ?
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coefficient * deltaX + (normX * (TOUCHPAD_MOUSE_OFFSET * signX)) : 0.0;
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if (xMotion > 0.0 && horizontalRemainder > 0.0)
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{
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xMotion += horizontalRemainder;
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}
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else if (xMotion < 0.0 && horizontalRemainder < 0.0)
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{
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xMotion += horizontalRemainder;
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}
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int xAction = (int)xMotion;
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horizontalRemainder = xMotion - xAction;
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double yMotion = deltaY != 0 ?
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coefficient * deltaY + (normY * (TOUCHPAD_MOUSE_OFFSET * signY)) : 0.0;
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if (yMotion > 0.0 && verticalRemainder > 0.0)
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{
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yMotion += verticalRemainder;
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}
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else if (yMotion < 0.0 && verticalRemainder < 0.0)
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{
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yMotion += verticalRemainder;
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}
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int yAction = (int)yMotion;
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verticalRemainder = yMotion - yAction;
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if (disableInvert == false)
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{
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int touchpadInvert = tempInt = Global.getTouchpadInvert(deviceNumber);
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if ((touchpadInvert & 0x02) == 2)
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xAction *= -1;
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if ((touchpadInvert & 0x01) == 1)
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yAction *= -1;
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}
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if (yAction != 0 || xAction != 0)
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InputMethods.MoveCursorBy(xAction, yAction);
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horizontalDirection = xMotion > 0.0 ? Direction.Positive : xMotion < 0.0 ? Direction.Negative : Direction.Neutral;
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verticalDirection = yMotion > 0.0 ? Direction.Positive : yMotion < 0.0 ? Direction.Negative : Direction.Neutral;
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}
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}
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}
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