import pygame, select
from socket import *
# This way of writing the import statement allows you to use functions
# defined in the socket library without prefixing them with
# 'socket.'. So, for example, instead of writing socket.socket(...),
# you can write socket(...) to create a new socket.


def initialize_constants():
    """
    This function sets some global constants (i.e., the values of these global
    variables never change).
    """
    global name
    name = raw_input("Please type in your name: ")
    
    pygame.init()

    # set up the display window
    global width, height, screen
    width = 800
    height = 600
    screen = pygame.display.set_mode((width,height))

    # load the ballon picture
    global balloon
    balloon = pygame.image.load("red_balloon.gif")
    balloon = balloon.convert()
    global balloon2
    balloon2 = pygame.image.load("green_balloon.gif")
    balloon2 = balloon2.convert()

    # load sound
    global pop_sound
    pop_sound = pygame.mixer.Sound("pop.wav")

    # load font
    global myFont
    myFont = pygame.font.Font(None,30)





def run_game():

    # initialize the balloons' positions and speeds
    b_x = 100
    b_y = 100

    b2_x = 300
    b2_y = 300

    # initialize the score
    score = 0
    scorelist = []

    keepGoing = True

    while (keepGoing):

        ### handle events
        
        for event in pygame.event.get():
            
            if event.type == pygame.QUIT:
                keepGoing = False




        ### handle messages from the server

        # The variable in_msgs is a list. If there is a message
        # waiting to be received it will be of length > 0.
        # [in_msgs, out, err] = select.select([UDP_sock], [], [], 0)
        
            
        

        ### draw everything
        
        screen.fill(pygame.color.Color("darkblue"))

        # score
        x = 10
        y = 10
        label = myFont.render("Your score: "+str(score), True, pygame.color.Color("magenta"))
        screen.blit(label, (x,y))

        # balloon images
        screen.blit(balloon,(int(b_x), int(b_y)))
        screen.blit(balloon2,(int(b2_x), int(b2_y)))

        pygame.display.update()




def done():

    global myFont
    myFont = None

    pygame.quit()
    


def main():

    initialize_constants()

    run_game()

    done()



main()