mqtt-to-flipdot/hangman.py

import socket, time
from PIL import Image, ImageFont, ImageDraw
import sys, os
import fileinput
from random import randint
from FlipdotSender import FlipdotSender

class Hangman(object):
    '''
    classdocs
    '''

    global C_BLACK
    global C_WHITE
    global C_BG
    global C_TEXT
    global C_HM
    global FPS
    global FONT_SIZE_word
    global G_ALLOWNUMERIC

    C_BLACK = 0
    C_WHITE = 255
    C_BG=C_WHITE
    C_TEXT=C_BLACK
    C_HM=C_TEXT
    FPS=2
    FONT_SIZE_word=9  #was 9
    G_ALLOWNUMERIC=True

    #hangman/alterebro-pixel-font.ttf size=14,  -2 and 6

    

    def __init__(self, udphost, udpport, pflipdot=None,img_size=(80,16)):
        '''
        Constructor
        '''
        
        self._udphost = udphost
        if not type(udpport) is int or udpport > 65536:
            raise TypeError('port has to be int and > 65536 !!')
        self._udpport = udpport
        self._flipdot=pflipdot

        self._img_size = img_size
        self._fo_word= (15, -1) #(15, -1)
        self._fo_word2= (15, 7) #(15,7)
        #self._wordlist="/home/pi/mqtt-to-flipdot/hangman/nomenliste_de.txt"
        #self._wordlist="/home/pi/mqtt-to-flipdot/hangman/crodict_nomen.txt"
        self._wordlist="/home/pi/mqtt-to-flipdot/hangman/nerdwords.txt"
        self._gamestate=0# 0=start 1=ingame 2=lose 3=win
        self._g_word="test" #word
        self._g_displword="" #display word
        self._g_chars="" #used characters

        self._hmdir="/home/pi/mqtt-to-flipdot/hangman/stdhm/"

        self._hmimg=[]
        self._maxfails=len( os.listdir(self._hmdir))-1 -1 #maxfails defined by files in directory, -1 -1 because win image
        print("Maxfails="+str(self._maxfails))

        for i in range(self._maxfails+1):
                self._hmimg.append(Image.open(open(self._hmdir+"f"+str(i)+".png", 'rb')) ) #load hangmans

        self._winimg=Image.open(open(self._hmdir+"win.png", 'rb')) 

        self._minwlen=4
        self._maxwlen=26

        self._words=[]
        fobj = open(self._wordlist, encoding="utf-8")
        for line in fobj:
            string=line.rstrip().upper() #remove whitespaces and make uppercase
            string=string.replace(" ","+")  #if using another replacement, also change in validateWord and generateDisplayWord
            if (self._validateWord(string)==1):
                if (len(string)>=self._minwlen and len(string)<=self._maxwlen):
                    self._words.append(string)
        fobj.close()
        print("loaded "+str(len(self._words))+" words")

        self._sock = socket.socket(socket.AF_INET6, socket.SOCK_DGRAM)


    def setup(self):
        print("Hangman setup")
        rand=randint(0,len(self._words)-1)
        self._g_word=self._words[rand]
        self._g_chars=""
        self._generateDisplword()   
        self._g_gamestate=1
        self._sendPacket(self._draw())
        #self._sock.sendto(bytes(self._array2packet(self._draw())), (self._udphost, self._udpport))
        
    
    def _list2byte(self, l):
        byte = 0
        i = 0
        for i in range(8):
            byte += 2**(7-i) if l[i] else 0
        return byte
    
    def _array2packet(self, a):        
        return [self._list2byte(a[i*8:i*8+8]) for i in range(int(len(a)/8))]
        

    def _str2array(self,s):
        image = Image.new("RGBA", self._img_size, C_BLACK)
        draw = ImageDraw.Draw(image)
        draw.fontmode = "1" # No AA
        #font = ImageFont.load_default()
        font = ImageFont.truetype("/usr/share/fonts/Retro Computer_DEMO.ttf", FONT_SIZE)
	#/usr/share/fonts/truetype/ttf-dejavu/DejaVuSans.ttf

        draw.text(FONT_OFFSET, s, font=font, fill=C_WHITE)

    
    def _validateWord(self,s): #returns 1 if chars are only abc...xyz or ABC...XYZ, else 0
        for c in range(0,len(s)):
            oc=ord(s[c])
            #print s+":ord="+str(oc)
            if  (oc>=65 and oc<=90) : #A-Z
                a=s#nonesense
            elif (oc>=97 and oc<=122):#a-z
                a=s
            elif (oc>=48 and oc<=57 and G_ALLOWNUMERIC==1):#0-9
                a=s
            elif (s[c]=="-" or s[c]==" " or s[c]=="+"):#or - or whitespace (will be given characters)
                a=s
            else:
                return 0
        return 1

    def _generateDisplword(self):

        self._g_displword=""

        for i in range(0,len(self._g_word)):
            cha=self._g_word[i] #current character
            show=0
            for c in range(0,len(self._g_chars)):
                if cha.lower()==self._g_chars[c]: #if current char is opened
                    show=1
            if cha==" " or cha=="-" or cha=="+": #show spaces and - and _
                show=1

            if show==1: #if character cha is opened
                self._g_displword+=cha #show
            else:
                self._g_displword+="'" #do not show

    def _countFails(self):
        fails=0
        for c in range(0,len(self._g_chars)):
            used=0	
            for i in range(0,len(self._g_word)):
                if self._g_chars[c]==self._g_word[i].lower():
                    used=1
            if used==0: #if current char was never used in g_word
                fails+=1
        return fails

    def _computeInput(self,strinput):
        if ((len(strinput)==1) and (self._validateWord(strinput[:len(strinput)-1])==1) ): #only one character and only alphabet
            newchar=strinput[0].lower()
            used=0
            for c in range(0,len(self._g_chars)):
                if self._g_chars[c]==newchar:
                    used=1

            if used==0: 
                self._g_chars+=newchar #add new character
            else: #if character already entered
                print("Character already entered!")
        else:
            print("Wrong input!!11!")


    def _checkWord(self):
        #print "fails="+str(countFails())+" max="+str(maxfails)
        if self._countFails()>=self._maxfails:
            self._g_gamestate=2
        if self._g_displword==self._g_word:
            self._g_gamestate=3


    def _draw(self):
        image = Image.new("RGBA", self._img_size, C_BG)
        draw = ImageDraw.Draw(image)
        draw.fontmode = "1" # No AA

        if self._g_gamestate==1:
            self._drawGameScreen(draw)
        elif self._g_gamestate==2:
            self._drawLoseScreen(draw)
        elif self._g_gamestate==3:
            self._drawWinScreen(draw)

        imgmap = []

        for pixel in image.getdata():
            r, g, b, a = pixel
            if r == 255:
                imgmap.append(1)
            else:
                imgmap.append(0)
        return imgmap

    def _drawHangman(self,draw):
        dimg=self._hmimg[self._countFails()] 
        #self._draw.ImageDraw(hmimg[countFails()])
        self._drawImage(dimg,0,0,draw)

    def _drawWinImage(self,draw):
        dimg=self._winimg 
        #self._draw.ImageDraw(hmimg[countFails()])
        self._drawImage(dimg,0,0,draw)


    def _drawImage(self,img,xv,yv,draw):
        w=img.size[0]
        h=img.size[1]
        i=0
        for pixel in img.getdata():		
            #r, g, b, a = pixel
            if pixel[0]==255:
                draw.point( (xv+i%w,yv+i/w), fill=C_HM)
            i+=1
	
	

    def _drawGameScreen(self,draw):
   
        #font = ImageFont.truetype("/usr/share/fonts/truetype/fonts-japanese-gothic.ttf", FONT_SIZE_word)
        #font = ImageFont.truetype("hangman/alterebro-pixel-font.ttf", FONT_SIZE_word)
        font = ImageFont.truetype("/usr/share/fonts/truetype/ttf-dejavu/DejaVuSansMono.ttf", FONT_SIZE_word)
        

        if (self._g_gamestate!=3):
            self._drawHangman(draw)
        else:
            self._drawWinImage(draw)

        x=len(self._g_displword)
        l=draw.textsize(self._g_displword[:x]+"E", font=font)[0] #concat one char because textsize is one char short (somehow)	
        while (l>(80-14-4)) and (x>0):  #80-14-18
		
            x-=1
            l=draw.textsize(self._g_displword[:x]+"E", font=font)[0]
		

        s1=self._g_displword[:x]
        s2=self._g_displword[x:]

        #for i in range(0,len(s1)):
        #	draw.text((fo_word[0]+i*5, fo_word[1]), s1[i], font=font, fill=C_TEXT)

        #for i in range(0,len(s2)):
        #	draw.text((fo_word2[0]+i*5, fo_word2[1]), s2[i], font=font, fill=C_TEXT)

        draw.text(self._fo_word, s1.upper(), font=font, fill=C_TEXT)
        draw.text(self._fo_word2, s2.upper(), font=font, fill=C_TEXT)

    def _drawLoseScreen(self,draw):
        self._drawGameScreen(draw)


    def _drawWinScreen(self,draw):
        self._drawGameScreen(draw)

    def _sendPacket(self,imgmap):
        if self._flipdot is not None:
            self._flipdot.sendPacket(imgmap)
        else:
            self._sock.sendto(bytes(self._array2packet(imgmap)), (self._udphost, self._udpport))

    
    def step(self,strinput):  #returns 0 if game ended
	
        if self._g_gamestate==0: #game ended
            return 0
	
        elif self._g_gamestate==1:
            #strinput = sys.stdin.readline()
            self._computeInput(strinput)

	
            self._generateDisplword()
	
		
            #draw() #test
            self._sendPacket(self._draw())
            print("Display:"+self._g_displword)
            print("Used:"+self._g_chars)
            print("fails:"+str(self._countFails()))

            self._checkWord()
	
        if self._g_gamestate==2:
            #c_t=C_TEXT #backup
            #C_TEXT=C_BG #invert text
            #C_BG=c_t #invert text
            self._g_displword=self._g_word
            self._sendPacket(self._draw())
            print("verloren, das Wort war:"+self._g_word)
            self._g_gamestate=0
            return 2


        elif self._g_gamestate==3:
            self._sendPacket(self._draw())
            print("gewonnen")
            self._g_gamestate=0
            return 3


        return 1


        

if __name__ == '__main__':
    hangman= Hangman("2001:67c:275c:a9::c", 2323)
    hangman.setup()
    running=1
    while running==1:
        running=hangman.step(sys.stdin.readline())
        time.sleep(1.0/FPS)