center_virtual_button.py

center_virtual_button.py

import math

import gremlin
from gremlin.user_plugin import *


mode = ModeVariable("Mode", "Mode in which to use these settings")
pa_x = PhysicalInputVariable(
        "Physical X Axis",
        "Physical X axis input",
        [gremlin.common.InputType.JoystickAxis]
)
pa_y = PhysicalInputVariable(
        "Physical Y Axis",
        "Physical Y axis input",
        [gremlin.common.InputType.JoystickAxis]
)
#js_out = VirtualInputVariable(
#        "Joystick button",
#        "Joystick button pressed when the virtual button is active",
#        [gremlin.common.InputType.JoystickButton]
#)
kb_out = StringVariable(
        "Keyboard key",
        "Key pressed when the virtual button is active",
        "1"
)
radius = FloatVariable(
        "Radius around center",
        "Radius around the center in which the virtual button is activated",
        0.0,
        0.0,
        1.0
)


# Decorators for the two physical axes
dec_x = pa_x.create_decorator(mode.value)
dec_y = pa_y.create_decorator(mode.value)

kb_press = gremlin.macro.Macro()
kb_press.press(kb_out.value)

kb_release = gremlin.macro.Macro()
kb_release.press(kb_out.value)


# Storage for the last known axis values
x_value = 0.0
y_value = 0.0
virtual_button_pressed = False


# Initialize object instances
macro_manager = gremlin.macro.MacroManager()


def update_vb(vjoy):
    global virtual_button_pressed
    alpha = math.atan2(abs(y_value), abs(x_value))
    border_x = math.cos(alpha) * radius.value
    border_y = math.sin(alpha) * radius.value


    inside_vb_area = abs(x_value) <= border_x and abs(y_value) <= border_y

    if virtual_button_pressed and not inside_vb_area:
        virtual_button_pressed = False
        #vjoy[js_out.value["device_id"]].button(js_out.value["input_id"]).is_pressed = False
        macro_manager.queue_macro(kb_release)

    if not virtual_button_pressed and inside_vb_area:
        virtual_button_pressed = True
        #vjoy[js_out.value["device_id"]].button(js_out.value["input_id"]).is_pressed = True
        macro_manager.queue_macro(kb_press)


@dec_x.axis(pa_x.input_id)
def axis1(event, vjoy):
    global x_value
    x_value = event.value
    update_vb(vjoy)


@dec_y.axis(pa_y.input_id)
def axis2(event, vjoy):
    global y_value
    y_value = event.value
    update_vb(vjoy)