LJ/plugins/pysimu.py

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#!/usr/bin/python2.7
# -*- coding: utf-8 -*-
# -*- mode: Python -*-
'''
LJ v0.8.0
Pygame Simulator plugin for LJ
LICENCE : CC
Sam Neurohack, loloster,
OSC server with :
/simu/quit
/simu/newpl new pl number to draw
/simu/newclient new client number to draw
'''
#from __future__ import print_function
import time
import math
import random
import itertools
import sys
import os
#import thread
import redis
import pygame
import pdb
import types, ast, argparse
from OSC import OSCServer, OSCClient, OSCMessage
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pl = [[],[],[],[]]
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print ("")
print ("LJ v0.8.0 : Pygame simulator")
print ("")
print ("Arguments parsing if needed...")
#
# Arguments parsing
#
argsparser = argparse.ArgumentParser(description="Available commands")
argsparser.add_argument("-r","--redisIP",help="IP of the Redis server used by LJ (127.0.0.1 by default) ",type=str)
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argsparser.add_argument("-m","--myIP",help="Local IP (127.0.0.1 by default) ",type=str)
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argsparser.add_argument("-c","--client",help="LJ client number (0 by default)",type=int)
argsparser.add_argument("-l","--laser",help="Laser number to be displayed (0 by default)",type=int)
argsparser.add_argument("-v","--verbose",help="Verbosity level (0 by default)",type=int)
args = argsparser.parse_args()
if args.client:
ljclient = args.client
else:
ljclient = 0
# Laser choice
if args.laser:
simuPL = args.laser
else:
simuPL = 0
# Debug ?
if args.verbose:
debug = args.verbose
else:
debug = 0
# Redis Computer IP
if args.redisIP != None:
redisIP = args.redisIP
else:
redisIP = '127.0.0.1'
r = redis.StrictRedis(host=redisIP, port=6379, db=0)
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# myIP
if args.myIP != None:
myIP = args.myIP
else:
myIP = '127.0.0.1'
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#
# OSC
#
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oscIPin = myIP
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oscPORTin = 8008
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ljIP = redisIP
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ljPort = 8002
print ("")
print ("Receiving on ", oscIPin, ":",str(oscPORTin))
oscserver = OSCServer( (oscIPin, oscPORTin) )
oscserver.timeout = 0
OSCRunning = True
def handle_timeout(self):
self.timed_out = True
oscserver.handle_timeout = types.MethodType(handle_timeout, oscserver)
def sendLJ(address, args):
if debug >0:
print "Sending to LJ...", address, args
osclientlj = OSCClient()
osclientlj.connect((ljIP, ljPort))
oscmsg = OSCMessage()
oscmsg.setAddress(address)
oscmsg.append(args)
try:
osclientlj.sendto(oscmsg, (ljIP, ljPort))
oscmsg.clearData()
return True
except:
print 'Connection to LJ IP', ljIP,'port', ljPort, 'refused : died ?'
return False
# RAW OSC Frame available ?
def osc_frame():
# clear timed_out flag
oscserver.timed_out = False
# handle all pending requests then return
while not oscserver.timed_out:
oscserver.handle_request()
# /quit
def quit(path, tags, args, source):
pygame.quit()
print "pySimu Stopped by /quit."
sys.exit()
# /start : 0 exit
def start(path, tags, args, source):
print args, type(args)
if args[0] == 0:
pygame.quit()
print "pySimu stopped by /start 0"
sys.exit()
# Answer to LJ pings
def ping(path, tags, args, source):
# Will receive message address, and message data flattened in s, x, y
print "Simu got /ping with value", args[0]
print "Simu replied with /pong simu"
sendLJ("/pong","simu")
# /newPL pointlistnumber
def newPL(path, tags, args, source):
user = ''.join(path.split("/"))
print ""
print user,path,args
print "Simulator got a new point list number :", args[0]
simuPL = args[0]
# /newClient clientnumber
def newClient(path, tags, args, source):
user = ''.join(path.split("/"))
print ""
print user,path,args
print "Simulator got a new client number : ", args[0]
ljclient = args[0]
oscserver.addMsgHandler( "/quit", quit )
oscserver.addMsgHandler( "/ping", ping )
oscserver.addMsgHandler( "/pysimu/start", start )
oscserver.addMsgHandler( "/pysimu/newpl", newPL )
oscserver.addMsgHandler( "/pysimu/newclient", newClient )
#
# Pygame screen
#
def RenderScreen(surface):
if len(pl[simuPL]):
xyc_prev = pl[simuPL][0]
#pygame.draw.line(surface,self.black_hole_color,(x_bh_cur, y_bh_cur), (x_bh_next, y_bh_next))
#pygame.draw.line(surface,self.spoke_color,(x_bh_cur, y_bh_cur), (x_area_cur, y_area_cur))
for xyc in pl[simuPL]:
c = int(xyc[2])
if c: pygame.draw.line(surface,c,xyc_prev[:2],xyc[:2],3)
xyc_prev = xyc
screen_size = [700,700]
pygame.init()
screen = pygame.display.set_mode(screen_size)
pygame.display.set_caption("LJ Simulator")
clock = pygame.time.Clock()
update_screen = False
print ("Simulator displays client", ljclient, "point list", str(simuPL))
#
# Main
#
try:
while True:
# pending osc message ?
osc_frame()
# Pygame events
for event in pygame.event.get():
if event.type == pygame.QUIT:
break
screen.fill(0)
pl[simuPL] = ast.literal_eval(r.get("/pl/"+ str(ljclient) + "/" + str(simuPL)))
if update_screen:
update_screen = False
RenderScreen(screen)
pygame.display.flip()
else:
update_screen = True
clock.tick(30)
# time.sleep(0.001)
except KeyboardInterrupt:
pass
finally:
pygame.quit()
print "pySimu Stopped."