SpacehackClient/game.py at master · IIIHeloIII/SpacehackClient · GitHub

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# SpaceHack! Game client main module
#York Hackspace January 2014
#This runs on a Beaglebone Black

import sys
import mosquitto
import Adafruit_BBIO.GPIO as GPIO
import Adafruit_BBIO.PWM as PWM
import Adafruit_BBIO.ADC as ADC

from Adafruit_CharLCD import Adafruit_CharLCD
from NokiaLCD import NokiaLCD
import Keypad_BBB
from collections import OrderedDict
import commands
import json
import time
import os

#import game libraries
from gamelibs import config_manager
from gamelibs import lcd_manager
from controls import control_manager

#Vars
roundconfig = {}
keypad = None
hasregistered = False
timeoutstarted = 0.0
resetBlocks = False

#Who am I? Get my ip address
ipaddress = commands.getoutput("/sbin/ifconfig").split("\n")[1].split()[1][5:]

#configuration. Load the config and get various dictionaries and arrays back
configFileName = 'game-' + ipaddress +'.config'
config, controlids, controldefs, sortedlist = config_manager.loadConfig(configFileName)

#initialise all of the LCDs and return a list of LCD objects
myLcdManager = lcd_manager.LcdManager(sortedlist, config)

#initialise all controls
control_manager.initialiseControls(config, sortedlist, myLcdManager)

#MQTT client
client = mosquitto.Mosquitto("Game-" + ipaddress) #client ID
print config['local']
server = config['local']['server']

#MQTT message arrived
def on_message(mosq, obj, msg):
    """Process incoming MQTT message"""
    print(msg.topic + " - " + str(msg.payload))
    nodes = msg.topic.split('/')
    global timeoutstarted
    global timeoutdisplayblocks
    global myLcdManager
    if nodes[0]=='clients':
        if nodes[2]=='configure':
            if str(msg.payload) == 'reboot':
                os.system('reboot')
            else:
                myLcdManager = lcd_manager.LcdManager(sortedlist, config)
                processRoundConfig(str(msg.payload))
                timeoutstarted = 0.0
                timeoutdisplayblocks = 0
        elif nodes[2] == 'instructions':
            myLcdManager.display(str(msg.payload), 20, "0")
            #start timer?
            if 'timeout' in roundconfig and roundconfig['timeout'] > 0.0:
                resetBlocks = True
                timeoutstarted = time.time()
        elif nodes[2] == 'timeout':
            roundconfig['timeout'] = float(str(msg.payload))
        elif nodes[2] in controlids:
            ctrlid = nodes[2]
            if nodes[3] == 'enabled':
                if str(msg.payload) == "0":
                    roundconfig['controls'][ctrlid]['enabled'] = False
                    #switch it off
                    myLcdManager.display(" ", config['local']['controls'][ctrlid]['display']['width'], ctrlid)
                else:
                    roundconfig['controls'][ctrlid]['enabled'] = True
                    #switch it on
                    myLcdManager.display(roundconfig['controls'][ctrlid]['name'], config['local']['controls'][ctrlid]['display']['width'], ctrlid)
            elif nodes[3] == 'name':
                if str(msg.payload) == '':
                    myLcdManager.clear(ctrlid)
                else:
                    myLcdManager.display(str(msg.payload), config['local']['controls'][ctrlid]['display']['width'], ctrlid, False)
    elif nodes[0] == 'server':
        if nodes[1] == 'ready':
            mess = str(msg.payload)
            if mess == 'started':
                myLcdManager = lcd_manager.LcdManager(sortedlist, config)
                client.publish("server/register", json.dumps(config['interface']))
            elif mess == 'ready':
                global hasregistered
                if not hasregistered:
                    hasregistered = True
                    client.publish("server/register", json.dumps(config['interface']))
            elif mess == 'poweroff':
                os.system('poweroff')


#Process an incoming config for a round
def processRoundConfig(roundconfigstring):
    """Process an incoming config for a round"""
    control_manager.initialiseControls(config, sortedlist, myLcdManager)
    x = json.loads(roundconfigstring)
    for key in x.keys():
        roundconfig[key] = x[key]
    control_manager.processRoundConfig(config, roundconfig, controlids)

#Setup MQTT
client.on_message = on_message
client.connect(server)
subsbase = "clients/" + ipaddress + "/"
client.subscribe(subsbase + "configure")
client.subscribe(subsbase + "instructions")
client.subscribe(subsbase + "timeout")
client.subscribe("server/ready")

for controlid in [x['id'] for x in config['interface']['controls']]:
    client.subscribe(subsbase + str(controlid) + '/name')
    client.subscribe(subsbase + str(controlid) + '/enabled')

#Main loop
while(client.loop(0) == 0):
    control_manager.pollControls(config, roundconfig, controlids, client, ipaddress)
    myLcdManager.displayTimer(timeoutstarted, resetBlocks, roundconfig.get('timeout', 0))
    if resetBlocks:
        resetBlocks = False