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"translate pygame events to controls"
import pygame.joystick
from pygame.locals import *
# control constants
UP = 1
DOWN = 2
LEFT = 3
RIGHT = 4
PRESS = 5
RELEASE = 6
ABORT = 7
#translation tables
keyboard_table = {
K_UP: UP,
K_DOWN: DOWN,
K_LEFT: LEFT,
K_RIGHT: RIGHT,
K_SPACE: PRESS,
K_RETURN: PRESS,
K_ESCAPE: ABORT
}
joystick = None
lastjoyx = RELEASE
lastjoyy = RELEASE
def init():
"init the joystick"
global joystick
try:
num = pygame.joystick.get_count()
if num > 0:
joystick = pygame.joystick.Joystick(0)
joystick.init()
except pygame.error:
joystick = None
def joyindex(val):
return int(val*1.9)+1
def translate(event):
global lastjoyx, lastjoyy
if event.type == KEYDOWN:
return keyboard_table.get(event.key, None)
elif event.type == KEYUP and event.key in (K_SPACE, K_RETURN):
return RELEASE
elif event.type == JOYAXISMOTION:
if event.axis == 1:
joy = (UP,RELEASE,DOWN)[joyindex(event.value)]
if joy != lastjoyy:
lastjoyy = joy
if joy == RELEASE:
joy = (LEFT, RELEASE, RIGHT)[joyindex(joystick.get_axis(0))]
lastjoyx = joy
if joy != RELEASE:
return joy
elif event.axis == 0:
joy = (LEFT,RELEASE,RIGHT)[joyindex(event.value)]
if joy != lastjoyx:
lastjoyx = joy
if joy == RELEASE:
joy = (UP, RELEASE, DOWN)[joyindex(joystick.get_axis(1))]
lastjoyy = joy
if joy != RELEASE:
return joy
elif event.type == JOYBUTTONDOWN:
if event.button == 0:
return PRESS
elif event.button > 2:
return ABORT
elif event.type == JOYBUTTONUP and event.button == 0:
return RELEASE
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