def device_exists(vjoy_id):
"""Returns whether or not a device exists.
:param vjoy_id id of the vjoy device to check
:return True if the device exists, False otherwise
"""
state = VJoyInterface.GetVJDStatus(vjoy_id)
return state not in [VJoyState.Missing.value, VJoyState.Unknown.value]
def device_exists(vjoy_id):
"""Returns whether or not a device exists.
A device that exists may be acquired by a different process and thus not
usable by Gremlin.
:param vjoy_id id of the vjoy device to check
:return True if the device exists, False otherwise
"""
state = VJoyInterface.GetVJDStatus(vjoy_id)
return state not in [VJoyState.Missing.value, VJoyState.Unknown.value]
def device_available(vjoy_id):
"""Returns whether or not a device is available, i.e. can be acquired.
:param vjoy_id id of the vjoy device to check
:return True if the device is available, False otherwise
"""
dev_free = VJoyInterface.GetVJDStatus(vjoy_id) == VJoyState.Free.value
dev_acquire = VJoyInterface.AcquireVJD(vjoy_id)
VJoyInterface.RelinquishVJD(vjoy_id)
return dev_free & dev_acquire
def __init__(self, vjoy_id):
"""Creates a new object.
:param vjoy_id id of the vJoy device to initialize.
"""
self.vjoy_id = None
if not VJoyInterface.vJoyEnabled():
logging.getLogger("system").error("vJoy is not currently running")
raise VJoyError("vJoy is not currently running")
if VJoyInterface.GetvJoyVersion() != 0x218:
logging.getLogger("system").error(
"Running incompatible vJoy version, 2.1.8 required"
)
raise VJoyError("Running incompatible vJoy version, 2.1.8 required")
elif VJoyInterface.GetVJDStatus(vjoy_id) != VJoyState.Free.value:
logging.getLogger("system").error(
"Requested vJoy device is not available - vid: {}".format(vjoy_id)
)
raise VJoyError(
"Requested vJoy device is not available - vid: {}".format(vjoy_id)
)
elif not VJoyInterface.AcquireVJD(vjoy_id):
logging.getLogger("system").error(
"Failed to acquire the vJoy device - vid: {}".format(vjoy_id)
)
raise VJoyError(
"Failed to acquire the vJoy device - vid: {}".format(vjoy_id)
)
self.vjoy_id = vjoy_id
self.pid = os.getpid()
# Initialize all controls
self._axis_lookup = {}
self._axis_names = {}
self._axis = self._init_axes()
self._button = self._init_buttons()
self._hat = self._init_hats()
# Timestamp of the last time the device was used
self._last_active = time.time()
self._keep_alive_timer = threading.Timer(
VJoy.keep_alive_timeout,
self._keep_alive
)
self._keep_alive_timer.start()
# Reset all controls
self.reset()