Fix Maze extension
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@ -1,13 +1,12 @@
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#! /usr/bin/env python3
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# this extension is under licence CC-by-sa @ Tiemen DUVILLARD 2020
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# for all questions, comments, bugs: duvillard.tiemen@gmail.com
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# this module is under licence MIT @ Tiemen DUVILLARD 2020
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# for all questions, comments, bugs: duvillard.tiemen@gmail.com
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import inkex
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from lxml import etree
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from maze_lib import *
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def points_to_svgd(p, close=False):
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""" convert list of points (x,y) pairs
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into a SVG path list
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@ -42,7 +41,7 @@ class Maze(inkex.EffectExtension):
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X = self.options.verti
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Y = self.options.horiz
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L = Maze(X,Y,self.options.algo)
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L = MazeLib(X,Y,self.options.algo)
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for i,j,door in L.verticalDoors():
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if door:
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@ -1,8 +1,7 @@
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#! /usr/bin/env python3
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# this module is under licence CC-by-sa @ Tiemen DUVILLARD 2020
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# for all questions, comments, bugs: duvillard.tiemen@gmail.com
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# this module is under licence MIT @ Tiemen DUVILLARD 2020
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# for all questions, comments, bugs: duvillard.tiemen@gmail.com
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from random import choice, randrange
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@ -168,6 +167,46 @@ def recursive_backtrack(x, y):
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return verti, horiz
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def recursive_chamber(x, y):
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# Initialisation of my variables
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def recursive_chamber_recu(VERTI,HORIZ,xA,yA,xB,yB):
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if (xB - xA <= 1):
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return
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elif (yB - yA <= 1):
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return
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else :
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dx = xB-xA
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dy = yB-yA
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v = randrange(0,dx+dy)
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if v < dx :
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x = randrange(xA,xB-1)
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y = randrange(yA,yB)
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for i in range(yA,yB):
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if i != y:
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VERTI[i][x] = 1
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recursive_chamber_recu(VERTI,HORIZ,xA,yA,x+1,yB)
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recursive_chamber_recu(VERTI,HORIZ,x+1,yA,xB,yB)
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else:
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x = randrange(xA,xB)
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y = randrange(yA,yB-1)
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for i in range(xA,xB):
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if i != x:
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HORIZ[y][i] = 1
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recursive_chamber_recu(VERTI,HORIZ,xA,yA,xB,y+1)
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recursive_chamber_recu(VERTI,HORIZ,xA,y+1,xB,yB)
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horiz = []
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for i in range(y-1): horiz.append([0] * x)
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verti = []
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for i in range(y): verti.append([0] * (x-1))
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# appel recursif
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recursive_chamber_recu(verti,horiz,0,0,x,y)
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return verti, horiz
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# a empty maze
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def empty(x, y):
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verti = []
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@ -192,7 +231,7 @@ def full(x, y):
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class Maze:
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class MazeLib:
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"""This Class define a Maze object"""
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def __init__(self, X=5, Y=5, algorithm="empty"):
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"""Use : m = Maze(X:int,Y:int, algorithm:string)"""
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@ -200,32 +239,38 @@ class Maze:
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self.Y = Y # height
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self.verti = [] # table of vertical doors
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self.horiz = [] # table of horizontal doors
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algorithm = algorithm.lower()
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if algorithm in ("kruskal","K") :
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if algorithm in ("kruskal","k") :
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self.verti, self.horiz = kruskal(self.X,self.Y)
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self.doors = self.nbDoors()
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self.algorithm = "kruskal"
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self.perfect = True
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elif algorithm in ("recursive_backtrack","RB") :
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elif algorithm in ("recursive_backtrack","rb") :
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self.verti, self.horiz = recursive_backtrack(self.X,self.Y)
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self.doors = self.nbDoors()
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self.algorithm = "recursive_backtrack"
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self.perfect = True
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elif algorithm in ("empty","E") :
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elif algorithm in ("empty","e") :
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self.verti, self.horiz = empty(self.X,self.Y)
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self.doors = self.nbDoors()
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self.algorithm = "empty"
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self.perfect = False
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elif algorithm in ("full","F") :
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elif algorithm in ("full","f") :
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self.verti, self.horiz = full(self.X,self.Y)
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self.doors = self.nbDoors()
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self.algorithm = "full"
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self.perfect = False
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elif algorithm in ("recursive_chamber","rc") :
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self.verti, self.horiz = recursive_chamber(self.X,self.Y)
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self.doors = self.nbDoors()
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self.algorithm = "recursive_chamber"
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self.perfect = False
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else :
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raise("Algorithm not recognized. Algorithm must be in ['kruskal','recursive_backtrack','empty','full']")
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@ -282,6 +327,14 @@ class Maze:
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return x+1,y
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return x,y
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def liberty(self, x, y):
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"""return all cases accessible from (x,y)"""
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r = []
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for d in ["down","up","left","right"]:
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if self.canMove(x,y,d):
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r.append(d)
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return d
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def toSquare(self):
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"""return another representation of maze, a List of List of case in {0,1} """
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RET = []
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@ -310,29 +363,27 @@ class Maze:
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for i in range(self.Y):
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laby.append(['new'] * self.X)
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while Pile[-1] != (xb,yb) and len(Pile) != 0:
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while len(Pile) != 0 and Pile[-1] != (xb,yb):
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pos = Pile[-1]
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x,y = pos[0],pos[1]
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if laby[y][x] == 'new':
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possibilite = []
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for d in ['down',"up","left","right"]:
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for d in ['down',"left","up","right"]:
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if self.canMove(pos[0],pos[1],d) :
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nx,ny = self.move(pos[0],pos[1],d)
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if laby[ny][nx] == 'new' :
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possibilite.append(d)
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if len(possibilite) == 0:
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laby[y][x] = "old"
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else :
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laby[y][x] = possibilite
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laby[y][x] = possibilite
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elif laby[y][x] == "old":
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del Pile[-1]
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del Sol[-1]
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if len(Sol) != 0:
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del Sol[-1]
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elif type(laby[y][x]) == list:
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if len(laby[y][x]) == 0:
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laby[y][x] = "old"
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else:
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ichoix = randrange(len(laby[y][x]))
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ichoix = -1#randrange(len(laby[y][x]))
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choix = laby[y][x][ichoix]
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Pile.append(self.move(x,y,choix))
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Sol.append(choix)
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@ -340,6 +391,60 @@ class Maze:
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return Sol
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def furthestBox(self, xa, ya):
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"""return the case furtest of the case (xa,ya)"""
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Sol = []
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dmax = len(Sol)
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pmax = Sol.copy()
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cmax = (xa,ya)
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Pile = [(xa,ya)]
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laby = []
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for i in range(self.Y):
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laby.append(['new'] * self.X)
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while len(Pile) != 0:
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pos = Pile[-1]
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x,y = pos[0],pos[1]
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if laby[y][x] == 'new':
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possibilite = []
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for d in ['down',"left","up","right"]:
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if self.canMove(pos[0],pos[1],d) :
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nx,ny = self.move(pos[0],pos[1],d)
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if laby[ny][nx] == 'new' :
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possibilite.append(d)
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laby[y][x] = possibilite
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elif laby[y][x] == "old":
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if len(Sol) > dmax:
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dmax = len(Sol)
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pmax = Sol.copy()
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cmax = (x,y)
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del Pile[-1]
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if len(Sol) != 0:
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del Sol[-1]
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elif type(laby[y][x]) == list:
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if len(laby[y][x]) == 0:
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laby[y][x] = "old"
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else:
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ichoix = -1#randrange(len(laby[y][x]))
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choix = laby[y][x][ichoix]
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Pile.append(self.move(x,y,choix))
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Sol.append(choix)
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del laby[y][x][ichoix]
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return pmax, cmax
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def longestWay(self):
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Xa = randrange(self.X)
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Ya = randrange(self.Y)
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p,B = self.furthestBox(Xa,Ya)
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path,C = self.furthestBox(B[0],B[1])
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return B,path,C
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def save(self):
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"""Return a string contain's all information. it can be save in file, print, etc.."""
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s = "{};{};{};{};{};{};{}".format(self.X, self.Y, self.doors, self.algorithm, self.perfect, self.verti, self.horiz)
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@ -533,4 +638,4 @@ class Maze:
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r += "────"
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r += "───┘"
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R += r
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return R
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return R
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