def right():
"""one step to the right"""
conn_lock.acquire()
if conn == True:
toCliQ.put(CR.CRclass(commands.step("right")))
cli_lock.acquire()
cli_alarm.notify()
cli_lock.release()
conn_lock.release()
def back():
"""one step backward"""
conn_lock.acquire()
if conn == True:
toCliQ.put(CR.CRclass(commands.step("back")))
cli_lock.acquire()
cli_alarm.notify()
cli_lock.release()
conn_lock.release()
def fwd():
"""one step forward"""
conn_lock.acquire()
if conn == True:
toCliQ.put(CR.CRclass(commands.step()))
cli_lock.acquire()
cli_alarm.notify()
cli_lock.release()
conn_lock.release()
def keyboardControl():
"""this thread is responsible for keyboard control"""
global escape_lock
global escape
global keyb_lock
global keyb
global toCliQ
global toKeybQ
pygame.init()
escape_lock.acquire()
while escape == False:
escape_lock.release()
pack = ["", requests.ready()]
for event in pygame.event.get():
keyb_lock.acquire()
if event.type == pygame.KEYDOWN and keyb == True:
keyb_lock.release()
if event.key == pygame.K_w: #w
pack[0] = commands.step("backward")
toCliQ.put(CR.CRclass(pack, toKeybQ, None, None, True))
cli_lock.acquire()
cli_alarm.notify()
cli_lock.release()
rdy = False
while rdy is False:
for r in toKeybQ.get(
): #this will block until cli return response
if r == [requests.ready(), reports.yes()]:
rdy = True
break
if rdy is True:
break
toCliQ.put(
CR.CRclass(requests.ready(), toKeybQ, None, None,
True))
cli_lock.acquire()
cli_alarm.notify()
cli_lock.release()
time.sleep(0.2)
elif event.key == pygame.K_s: #s
pack[0] = commands.step("backward")
toCliQ.put(CR.CRclass(pack, toKeybQ, None, None, True))
cli_lock.acquire()
cli_alarm.notify()
cli_lock.release()
rdy = False
while rdy is False:
for r in toKeybQ.get(
): #this will block until cli return response
if r == [requests.ready(), reports.yes()]:
rdy = True
break
if rdy is True:
break
toCliQ.put(
CR.CRclass(requests.ready(), toKeybQ, None, None,
True))
cli_lock.acquire()
cli_alarm.notify()
cli_lock.release()
time.sleep(0.2)
elif event.key == pygame.K_a:
pack[0] = commands.step("left")
toCliQ.put(CR.CRclass(pack, toKeybQ, None, None, True))
cli_lock.acquire()
cli_alarm.notify()
cli_lock.release()
rdy = False
while rdy is False:
for r in toKeybQ.get(
): #this will block until cli return response
if r == [requests.ready(), reports.yes()]:
rdy = True
break
if rdy is True:
break
toCliQ.put(
CR.CRclass(requests.ready(), toKeybQ, None, None,
True))
cli_lock.acquire()
cli_alarm.notify()
cli_lock.release()
time.sleep(0.2)
elif event.key == pygame.K_d:
pack[0] = commands.step("right")
toCliQ.put(CR.CRclass(pack, toKeybQ, None, None, True))
cli_lock.acquire()
cli_alarm.notify()
cli_lock.release()
rdy = False
while rdy is False:
for r in toKeybQ.get(
): #this will block until cli return response
if r == [requests.ready(), reports.yes()]:
rdy = True
break
if rdy is True:
break
toCliQ.put(
CR.CRclass(requests.ready(), toKeybQ, None, None,
True))
cli_lock.acquire()
cli_alarm.notify()
cli_lock.release()
time.sleep(0.2)
elif event.key == pygame.K_q:
pack[0] = commands.rotate("ccw")
toCliQ.put(CR.CRclass(pack, toKeybQ, None, None, True))
cli_lock.acquire()
cli_alarm.notify()
cli_lock.release()
rdy = False
while rdy is False:
for r in toKeybQ.get(
): #this will block until cli return response
if r == [requests.ready(), reports.yes()]:
rdy = True
break
if rdy is True:
break
toCliQ.put(
CR.CRclass(requests.ready(), toKeybQ, None, None,
True))
cli_lock.acquire()
cli_alarm.notify()
cli_lock.release()
time.sleep(0.2)
elif event.key == pygame.K_e:
pack[0] = commands.rotate("cw")
toCliQ.put(CR.CRclass(pack, toKeybQ, None, None, True))
cli_lock.acquire()
cli_alarm.notify()
cli_lock.release()
rdy = False
while rdy is False:
for r in toKeybQ.get(
): #this will block until cli return response
if r == [requests.ready(), reports.yes()]:
rdy = True
break
if rdy is True:
break
toCliQ.put(
CR.CRclass(requests.ready(), toKeybQ, None, None,
True))
cli_lock.acquire()
cli_alarm.notify()
cli_lock.release()
time.sleep(0.2)
elif event.key == pygame.K_j:
toDispQ.put(4)
elif event.key == pygame.K_l:
toDispQ.put(-4)
else:
keyb_lock.release()
escape_lock.acquire()
time.sleep(0.1)
escape_lock.release()