Skeleton Program - Task Sheet 1 Answers.py

# Skeleton Program code for the AQA COMP1 Summer 2014 examination
# this code should be used in conjunction with the Preliminary Material
# written by the AQA Programmer Team
# developed in the Python 3.2 programming environment

import random
from datetime import date

NO_OF_RECENT_SCORES = 3

class TCard():
  def __init__(self):
    self.Suit = 0
    self.Rank = 0

class TRecentScore():
  def __init__(self):
    self.Name = ''
    self.Score = 0
    self.Date = None

Deck = [None]
RecentScores = [None]
Choice = ''

def GetRank(RankNo):
  Rank = ''
  if RankNo == 1:
    Rank = 'Ace'
  elif RankNo == 2:
    Rank = 'Two'
  elif RankNo == 3:
    Rank = 'Three'
  elif RankNo == 4:
    Rank = 'Four'
  elif RankNo == 5:
    Rank = 'Five'
  elif RankNo == 6:
    Rank = 'Six'
  elif RankNo == 7:
    Rank = 'Seven'
  elif RankNo == 8:
    Rank = 'Eight'
  elif RankNo == 9:
    Rank = 'Nine'
  elif RankNo == 10:
    Rank = 'Ten'
  elif RankNo == 11:
    Rank = 'Jack'
  elif RankNo == 12:
    Rank = 'Queen'
  else:
    Rank = 'King'
  return Rank

def GetSuit(SuitNo):
  Suit = ''
  if SuitNo == 1:
    Suit = 'Clubs'
  elif SuitNo == 2:
    Suit = 'Diamonds'
  elif SuitNo == 3:
    Suit = 'Hearts'
  else:
    Suit = 'Spades'
  return Suit

def DisplayMenu():
  print()
  print('MAIN MENU')
  print()
  print('1. Play game (with shuffle)')
  print('2. Play game (without shuffle)')
  print('3. Display recent scores')
  print('4. Reset recent scores')
  print()
  print('Select an option from the menu (or enter q to quit): ', end='')

def GetMenuChoice():
  Choice = input()
  print()
  return Choice.lower()[0]

def LoadDeck(Deck):
  CurrentFile = open('deck.txt', 'r')
  Count = 1
  while True:
    LineFromFile = CurrentFile.readline()
    if not LineFromFile:
      CurrentFile.close()
      break
    Deck[Count].Suit = int(LineFromFile)
    LineFromFile = CurrentFile.readline()
    Deck[Count].Rank = int(LineFromFile)
    Count = Count + 1
 
def ShuffleDeck(Deck):
  SwapSpace = TCard()
  NoOfSwaps = 1000
  for NoOfSwapsMadeSoFar in range(1, NoOfSwaps + 1):
    Position1 = random.randint(1, 52)
    Position2 = random.randint(1, 52)
    SwapSpace.Rank = Deck[Position1].Rank
    SwapSpace.Suit = Deck[Position1].Suit
    Deck[Position1].Rank = Deck[Position2].Rank
    Deck[Position1].Suit = Deck[Position2].Suit
    Deck[Position2].Rank = SwapSpace.Rank
    Deck[Position2].Suit = SwapSpace.Suit

def DisplayCard(ThisCard):
  print()
  print('Card is the', GetRank(ThisCard.Rank), 'of', GetSuit(ThisCard.Suit))
  print()

def GetCard(ThisCard, Deck, NoOfCardsTurnedOver):
  ThisCard.Rank = Deck[1].Rank
  ThisCard.Suit = Deck[1].Suit
  for Count in range(1, 52 - NoOfCardsTurnedOver):
    Deck[Count].Rank = Deck[Count + 1].Rank
    Deck[Count].Suit = Deck[Count + 1].Suit
  Deck[52 - NoOfCardsTurnedOver].Suit = 0
  Deck[52 - NoOfCardsTurnedOver].Rank = 0

def IsNextCardHigher(LastCard, NextCard):
  Higher = False
  if NextCard.Rank > LastCard.Rank:
    Higher = True
  return Higher

def GetPlayerName():
  print()
  valid = False
  while not valid:
    PlayerName = input('Please enter your name: ')
    if len(PlayerName) > 0:
      valid = True
    else:
      print("You must enter something for your name!")
  print()
  return PlayerName

def GetChoiceFromUser():
  Choice = input('Do you think the next card will be higher than the last card (enter y or n)? ')
  return Choice.lower()[0]

def DisplayEndOfGameMessage(Score):
  print()
  print('GAME OVER!')
  print('Your score was', Score)
  if Score == 51:
    print('WOW! You completed a perfect game.')
  print()

def DisplayCorrectGuessMessage(Score):
  print()
  print('Well done! You guessed correctly.')
  print('Your score is now ', Score, '.', sep='')
  print()

def ResetRecentScores(RecentScores):
  for Count in range(1, NO_OF_RECENT_SCORES + 1):
    RecentScores[Count].Name = ''
    RecentScores[Count].Score = 0
    RecentScores[Count].Date = None

def DisplayRecentScores(RecentScores):
  print()
  print('Recent Scores: ')
  print()
  print("{0:<12}{1:<10}{2:<5}".format("Date","Name","Score"))
  print()
  for Count in range(1, NO_OF_RECENT_SCORES + 1):
    if RecentScores[Count].Date != None:
      ScoreDate = RecentScores[Count].Date.strftime("%d/%m/%Y")
    else:
      ScoreDate = "N/A"
    print("{0:<12}{1:<10}{2:<5}".format(ScoreDate,RecentScores[Count].Name,RecentScores[Count].Score))
  print()
  print('Press the Enter key to return to the main menu')
  input()
  print()

def UpdateRecentScores(RecentScores, Score):
  valid = False
  while not valid:
    Choice = input("Do you want to add your score to the high score table? (y or n): ")
    Choice = Choice.lower()[0]
    if Choice in ["y","n"]:
      valid = True
    else:
      print("Please enter a valid choice (y or n)")

  if Choice == "y":
    PlayerName = GetPlayerName()
    FoundSpace = False
    Count = 1
    while (not FoundSpace) and (Count <= NO_OF_RECENT_SCORES):
      if RecentScores[Count].Name == '':
        FoundSpace = True
      else:
        Count = Count + 1
    if not FoundSpace:
      for Count in range(1, NO_OF_RECENT_SCORES):
        RecentScores[Count].Name = RecentScores[Count + 1].Name
        RecentScores[Count].Score = RecentScores[Count + 1].Score
      Count = NO_OF_RECENT_SCORES
    RecentScores[Count].Name = PlayerName
    RecentScores[Count].Score = Score
    RecentScores[Count].Date = date.today()

def PlayGame(Deck, RecentScores):
  LastCard = TCard()
  NextCard = TCard()
  GameOver = False
  GetCard(LastCard, Deck, 0)
  DisplayCard(LastCard)
  NoOfCardsTurnedOver = 1
  while (NoOfCardsTurnedOver < 52) and (not GameOver):
    GetCard(NextCard, Deck, NoOfCardsTurnedOver)
    Choice = ''
    while (Choice != 'y') and (Choice != 'n'):
      Choice = GetChoiceFromUser()
    DisplayCard(NextCard)
    NoOfCardsTurnedOver = NoOfCardsTurnedOver + 1
    Higher = IsNextCardHigher(LastCard, NextCard)
    if (Higher and Choice == 'y') or (not Higher and Choice == 'n'):
      DisplayCorrectGuessMessage(NoOfCardsTurnedOver - 1)
      LastCard.Rank = NextCard.Rank
      LastCard.Suit = NextCard.Suit
    else:
      GameOver = True
  if GameOver:
    DisplayEndOfGameMessage(NoOfCardsTurnedOver - 2)
    UpdateRecentScores(RecentScores, NoOfCardsTurnedOver - 2)
  else:
    DisplayEndOfGameMessage(51)
    UpdateRecentScores(RecentScores, 51)

if __name__ == '__main__':
  for Count in range(1, 53):
    Deck.append(TCard())
  for Count in range(1, NO_OF_RECENT_SCORES + 1):
    RecentScores.append(TRecentScore())
  Choice = ''
  while Choice != 'q':
    DisplayMenu()
    Choice = GetMenuChoice()
    if Choice == '1':
      LoadDeck(Deck)
      ShuffleDeck(Deck)
      PlayGame(Deck, RecentScores)
    elif Choice == '2':
      LoadDeck(Deck)
      PlayGame(Deck, RecentScores)
    elif Choice == '3':
      DisplayRecentScores(RecentScores)
    else:
      ResetRecentScores(RecentScores)