Merge two axis

merge_axis.py

import gremlin


# ---------- Edit between here -----------------------------

# Definition of the first device
device_1 = gremlin.input_devices.JoystickDecorator(
    "Joystick - HOTAS Warthog",
    gremlin.common.DeviceIdentifier((72287234, 1)
    "Default"
)

# Definition of the second device
device_2 = gremlin.input_devices.JoystickDecorator(
    "T.16000M",
    gremlin.common.DeviceIdentifier(72331530, 2)
    "Default"
)

# ---------- and here --------------------------------------


def sum_merge_axis(vjoy):
    """Merges two axis values by summing their values together.

    The vJoy axis is set to A + B where A and B are the axis values of the
    two devices.

    :param vjoy the vjoy instance to use
    """
    vjoy[1].axis(vjoy_axis_id).value = gremlin.util.clamp(
            device_1_last_value + device_2_last_value,
            -1.0,
            1.0
    )


def max_merge_axis(vjoy):
    """Merges two axis values by using the maximum value of the two.

    The vJoy axis is set to max(|A|, |B|) where A and B are the axis values of the
    two devices and |A| and |B| are the absolute values of A and B respectively.

    :param vjoy the vjoy instance to use
    """
    value = device_1_last_value
    if abs(device_2_last_value) > abs(device_1_last_value):
        value = device_2_last_value
    vjoy[1].axis(vjoy_axis_id).value = value


# ---------- Edit between here -----------------------------

# ID of the first device's axis
device_1_axis_id = 1
# ID of the second device's axis
device_2_axis_id = 1
vjoy_axis_id = 1
# Merge function to use, either sum_merge_axis or max_merge_axis
merge_axis = sum_merge_axis

# ---------- and here --------------------------------------


# Storage for the current axis values
device_1_last_value = 0.0
device_2_last_value = 0.0


@device_1.axis(device_1_axis_id)
def device_1_axis(event, vjoy):
    """Callback for the first device."""
    global device_1_last_value
    device_1_last_value = event.value
    merge_axis(vjoy)
    

@device_2.axis(device_2_axis_id)
def device_2_axis(event, vjoy):
    """Callback for the second device."""
    global device_2_last_value
    device_2_last_value = event.value
    merge_axis(vjoy)