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CSSE1001/7030 Criss-Cross Multi-Step Word Guessing Game Assignment

 Criss-Cross Multi-Step Word Guessing Game

Assignment 1
CSSE1001/7030
Semester 2, 2020
10 marks
Due Date: 4th September, 17:00
1 Getting Started
To start, download a1.zip from Blackboard and extract the contents. The a1.zip folder contains all the
necessary files to start this assignment. Some support code has been provided to assist with implementing
the tasks. You will be required to implement your assignment in a1.zip.
The other provided file is a1 support.py, which contains some code to help you implement your assign￾ment. You are not compelled to use this file to implement your assignment but it is strongly recommended.
Do not make changes to the a1 support.py file. The only file that you should submit is a1.zip. It could cause
unexpected errors submit more than one file or if you made changes to the a1 support.py file as well.
Note: The functionality of your assignment will be marked by automated tests. This means that the
output of each function, as well as the output of your overall program, must be exact to the specifications
outlined below in the Implementation section. This includes whitespace, grammar, etc. If you add your
own messages throughout the game, you will likely fail most of the automated tests. Some sample tests will
be provided to give you an idea of whether your output differs from the expected output. These tests are
not necessarily the complete set of tests that will be used in marking, so if you pass all sample tests you are
not necessarily guaranteed to achieve full functionality marks. However, if you do not pass all sample tests,
you are guaranteed not to achieve full functionality marks.
2 Concepts
At the start of the game the user selects a difficulty, and then a word is chosen at random based on that
difficulty. The word length will depend on the difficulty selected by the user; either “FIXED” (meaning the
word will be exactly eight letters long), or “ARBITRARY” (meaning the word will be anywhere between
six to eight letters long). The goal of the game is for the player to guess that word through a series of guesses
of “subwords”. The player will have a different number of guesses (with different subwords to guess; see
GUESS INDEX TUPLE), depending on the difficulty selection. If the player chooses the “FIXED” diffi-
culty, the word must be selected at random from the WORDS FIXED.txt file. If the player chooses the
“ARBITRARY” difficulty, the word must be selected at random from the WORDS ARBITRARY.txt
file.
At program startup, the user is asked to specify one of three actions:
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Input Action
’s’ Start game
’h’ The game rules will be printed out and then the game will commence
’q’ Quit game
Invalid command Print invalid command message (see below) and restart. “Please enter a valid command: “
Table 1: List of valid actions.
When the game is started the player should be prompted with:
>>> "Do you want a "FIXED" or "ARBITRARY" length word?"
2.1 If the user specifies “FIXED”
The game randomly selects an eight-letter word from the WORDS.txt file and the correct guess sequence
from the GUESS INDEX TUPLE tuple.
Each vowel guessed in the correct position gets 14 points. Each consonant guessed in the correct posi￾tion gets 12 points. Each letter guessed correctly but in the wrong position within the substring gets 5
points. You can assume that the words do not contain repeated letters and all guesses are lowercase letters.
2.2 If the user specifies “ARBITRARY”
The game randomly selects a word from the WORDS ARBITRARY.txt file and the correct guess se￾quence from the GUESS INDEX TUPLE tuple.
The scoring system is the same as for the ”FIXED” word length.
2.3 Guessing procedure
2.3.1 For an eight-letter word
The user will be prompted to guess the word, step by step. The guessing procedure involves 8 steps, where
the guess slices will depend on the GUESS INDEX TUPLE. At each of the 7 first steps the user guesses a
subsection of the word and receives feedback (their score) for that guess. The final 8th step involves guessing
the whole word. After the 8th guess, the user is informed of whether they ‘won’ (i.e. guessed the word
correctly) or ‘lost’ (in which case they are told what the word was). If, at any stage, the player enters a
guess that is of the incorrect length then the game should repeatedly prompt for the correct word length
until the player enters a guess that matches the length of the substring to be guessed in that step.
The guessing and scoring procedure is illustrated in Table 2, for the 8 letter word, ”crushing”.
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Table 2: Step by step guessing procedure for the word ”crushing”.
2.4 Game over
If the user guesses the correct word at the end of the game, the following message should be printed out:
"You have guessed the word correctly. Congratulations".
If the user guesses the wrong word at the end of the game, the following message should be printed out:
"Your guess was wrong. The correct word was "{word}""
(Where word represents the word the player was trying to guess.)
2.4.1 Examples
Figure 1: Example of final guess.
3 Implementation
Within this section, the following variables hold meaning as defined below:
• word select: A string representing a FIXED or ARBITRARY word selection.
• guess no: An integer representing how many guesses the player has made.
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• word: A string representing the word being guessed by the player.
• word length: An integer representing the length of the word being guessed by the player.
You must write the following functions as part of your implementation. You are encouraged to add your
own additional functions if they are beneficial to your solution.
select word at random(word select)-> str:
Given the word select is either “FIXED” or “ARBITRARY” this function will return a string randomly
selected from WORDS FIXED.txt or WORDS ARBITRARY.txt respectively. If word select is anything
other then the expected input then this function should return None.
Hint: see a1 support.load words() and a1 support.random index()
create guess line(guess no, word length)-> str:
This function returns the string representing the display corresponding to the guess number integer, guess no.
Example:
>>> create_guess_line (2 , 8)
’ Guess 2 | - | * | * | * | - | - | - | - | ’
display guess matrix(guess no, word length, scores)-> None:
This function prints the progress of the game. This includes all line strings for guesses up to guess no with
their corresponding scores (a tuple containing all previous scores), and the line string for guess no (without
a score).
Example:
compute value for guess(word, start index, end index, guess)-> int:
Return the score, an integer, the player is awarded for a specific guess. The word is a string representing the
word the player has to guess. The substring to be guessed is determined by the start index and end index.
The substring is created by slicing the word from the start index up to and including the end index. The
guess is a string representing the guess attempt the player has made.
Example:
>>> compute_value_for_guess("crushing", 0, 1, "rc")
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main()-> None:
This function handles player interaction. At the start of the game the player should be greeted with the
Welcome message. Once the guessing sequence commences the game should loop for the correct num￾ber of rounds until either the player wins by guessing the correct word or loses by guessing the incorrect word.
Hint: the main function should be your starting point but also the last function you finish implementing.
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3.1 Example game
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4 ASSESSMENT AND MARKING CRITERIA
4.1 Functionality Assessment
The functionality will be marked out of 7. Your assignment will be put through a series of tests and your
functionality mark will be proportional to the number of tests you pass. If, say, there are 25 functionality
tests and you pass 20 of them, then your functionality mark will be 20/25 ∗ 7. You will be given the
functionality tests before the due date for the assignment so that you can gain a good idea of the correctness
of your assignment yourself before submitting. You should, however, make sure that your program meets
all the specifications given in the assignment. That will ensure that your code passes all the tests. Note:
Functionality tests are automated and so string outputs need to exactly match what is expected.
4.2 Code Style Assessment
The style of your assignment will be assessed by one of the tutors, and you will be marked according to the
style rubric provided with the assignment. The style mark will be out of 3.
4.3 ASSIGNMENT SUBMISSION
You must submit your completed assignment electronically through Blackboard. The only file you submit
should be a single Python file called a1.py (use this name – all lower case). This should be uploaded to
Blackboard > Assessment > Assignment 1.
You may submit your assignment multiple times before the deadline – only the last submission will be marked.
Late submission of the assignment will not be accepted. In the event of exceptional personal or medi￾cal circumstances that prevent you from handing in the assignment on time, you may submit a request for
an extension. See the course profile for details of how to apply for an extension.
Requests for extensions must be made no later than 48 hours prior to the submission deadline. The appli￾cation and supporting documentation (e.g. medical certificate) must be submitted to the ITEE Coursework
Studies office (78-425) or by email to enquiries@itee.uq.edu.au. If submitted electronically, you must retain
the original documentation for a minimum period of six months to provide as verification should you be
requested to do so.
5 Appendix
5.1 Welcome message
"Welcome to the Criss-Cross Multi-Step Word Guessing Game!
Enter an input action. Choices are:
s - start game
h - get help on game rules
q - quit game:
5.2 Help message
"Game rules - You have to guess letters in place of the asterixis.
Each vowel guessed in the correct position gets 14 points.
Each consonant guessed in the correct position gets 12 points.
Each letter guessed correctly but in the wrong position gets 5 points.
If the true letters were "dog", say, and you guessed "hod",
you would score 14 points for guessing the vowel, "o", in the
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correct position and 5 points for guessing "d" correctly, but in the
incorrect position. Your score would therefore be 19 points."
5.3 Printing Example
Figure 2: Display for seven letter words.
Figure 3: Display for nine letter words.
Figure 4: Example where the player chooses ”s” to start the game.
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