#!/usr/bin/python
# petals.py is an implementation of Petals Around the Rose
# -----------------------------------------------------------------------------
import sys, random
from Tkinter import *
# -----------------------------------------------------------------------------
# GLOBALS
# The title and version
title, version = "Petals Around the Rose", "v1.0"
 
# Lists of the possible faces of the dice and the colors
faces = [ 1, 2, 3, 4, 5, 6 ]
colors = [ ("#A54","#721"), ("#4A5","#172"), ("#45A","#127") ]
 
# A dictionary which maps die faces to dot configurations (offsets)
faces_to_dots = { 1:[(23,23)],
                  2:[(12,12), (33,33)],
                  3:[(23,23), (10,10), (36,36)],
                  4:[(12,12), (33,33), (12,33), (33,12)],
                  5:[(23,23), (10,10), (36,36), (10,36), (36,10)],
                  6:[(12,12), (33,33), (12,33), (33,12), (12,22), (33,22)] }
 
# -----------------------------------------------------------------------------
# CLASSES
# The PetalEngine class is the application class
class PetalEngine:
 
    # Instance variables
    # root is the Tkinter root
    # frame is the main frame of the application
    # canvas is the canvas on which the roll results are drawn
    # answer is a string variable used to display the solution to the roll
 
    # Initialize new PetalEngines
    def __init__(self, root):
        self.root = root
        self.root.title(title+" "+version)
        self.root.resizable(0, 0)
        self.make_widgets()
        self.root.mainloop()
 
    # Make and bind all Tkinter widgets
    def make_widgets(self):
 
        # Make the main frame
        self.frame = Frame(self.root)
        self.frame.pack()
 
        # Make the screen widget
        frame = Frame(self.frame)
        label = Label(frame, text="Roll Outcome")
        self.canvas = Canvas(frame, width=350, height=70)
        frame.pack(); label.pack(); self.canvas.pack()
 
        # Make the answer widget
        frame = Frame(self.frame)
        self.answer = StringVar()
        self.answer.set("The answer for this roll is:    ")
        entry = Entry(frame, textvariable=self.answer)
        entry.config(state=DISABLED)
        frame.pack(fill="x", expand=True); entry.pack(fill="x")
 
        # Make the roller widget
        frame = Frame(self.frame)
        button = Button(frame, text="Roll Dice", command=self.roll)
        frame.pack(fill="x", expand=True); button.pack(fill="x")
 
    # Roll the dice
    def roll(self):
 
        # Pick the dice (faces and colors)
        dice = []
        for die in range(5):
            dice.append((random.sample(faces, 1)[0],
                         random.sample(colors, 1)[0]))
 
        # Print them to the screen
        for die in range(len(dice)):
            self.show_die(dice[die], 10+die*70)
 
        # Determine and print the answer
        solution = 0
        for die in dice:
            if die[0]%2 == 1: solution += (die[0]-1)
        self.answer.set("The answer for this roll is: "+str(solution))
 
    # Print a die on the screen
    def show_die(self, die, x_coordinate):
        x1, y1, x2, y2 = x_coordinate, 10, x_coordinate+50, 60
        self.canvas.create_rectangle(x1, y1, x2, y2, fill=die[1][1])
        self.canvas.create_rectangle(x1+5, y1+5, x2-5, y2-5, fill=die[1][0])
        for dot in faces_to_dots[die[0]]:
            self.canvas.create_oval(x1+dot[0], y1+dot[1],
                                    x1+dot[0]+5, y1+dot[1]+5, fill="white")
 
# -----------------------------------------------------------------------------
# FUNCTIONS
# Main function
def main(args):
    pe = PetalEngine(Tk())
    sys.exit(0)
 
# -----------------------------------------------------------------------------
# The following code is executed upon command-line invocation
if __name__ == "__main__": main(sys.argv)
 
# -----------------------------------------------------------------------------
# EOF