Programming Assignments #1 CS 202 Programming Systems solution

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Background:
When beginning with this project, the first thing to keep in mind is that we are no
longer working on CS163 programs! In CS163 we were concerned about creating
Abstract Data Types and the class construct facilitated this. Instead, this term we
will be focusing on how to create Object Oriented Solutions. An ADT may be part
of that solution – but it certainly shouldn’t be the primary focus. Instead you want
to strive for classes to have specific “jobs” and have classes derived from more
general classes, whenever appropriate.
Overview:
For the first two programs you will be applying OO techniques to creating a game.
Did you see the movie Maze Runner? It is a post apocalyptic dystopian science
fiction movie where they must travel through a Maze if they are going to escape.
In the movie there was a code by which the maze was based. It wasn’t random.
Imagine that your job has been assigned to create a computer game that represents
a Maze. The game has at least two levels. In Phase 1 of the assignment (program
#1), you will be implementing the first level of the maze. In Phase 2 of the
assignment (program #2), you will be implementing the second level of the maze.
Program #1 – Level 1:
In the first level of the maze, all players begin at the same start point and at any
intersection that are given the choice of (a) going left, (b) going right, or (c) going
backwards (without knowing what is to the left or right yet). At any intersection,
they may encounter prizes (e.g., points or coins) or they may lose their life. A
player begins with at least 3 lives and they must start over when all lives are lost.
The maze itself must be randomly generated each time a player starts. Use a binary
search tree as the data structure. Only one leaf will be the finish line, so the player
must choose correctly! If a dead-end is reached, a life is lost! You may use prizes
creatively to change the game.
CS202 Summer 2015 Programming Assignment #1
Program #2 – Level 2:
In the next level, the player has up to 5 different directions at any intersection. This
time a graph is used as the data structure, implemented as an adjacency list. In
program #2 the idea is to support the notion of dynamic binding, where the same
function call can be used to call one of two (or more) different functions. This way,
the client program will not have to be changed when moving from level #1 to level
#2. The code for the operations will be different but the client program calling the
functions will not. At least one function must be pure virtual so that you
experience abstract base classes in your design.
Just like the previous level, the maze is generated randomly, with random number
of directions this time (up to 5), random points where prizes are won, and random
pitfalls where a life is lost.
To make this Object Oriented:
You will want to first think about breaking this down into a series of classes and
create them independent of the entire game. The design for the ENTIRE game is
due prior to the first program being due. Pay close attention to the Course Outline
for the due date for the design and programs.
Here are some suggestions to start with. You may alter this set of classes but you
will need to implement 5 classes at a minimum.
1. Prize – what is a prize and what benefit does a prize (e.g. points or coin)
have on the game
2. Life – a player begins with three lives and then must start over after the last
one is lost.
3. Player – a player is their name plus how may prizes they have won and
what their life is. Think about how best to use inheritance. Players should
have background information about who they are. For example “Alby was
the eldest and leader of the Gladers” or “Teresa was the only girl to enter
the Glade”.
4. Maze – a maze is a series of paths; players can go left, right, or backwards
for level 1. In level 2, they can go up to 5 different directions or backward.
The Code is the secret that “seeds” the random number generator.
5. Node – Yes, your data structures will need to use a node class! Examine the
code used for labs 1 and 2 to get some ideas of how a node can be used as a
class
Anything that is similar between these or other classes that you write should be
pulled up to be part of a base class. For example, classes that manage collections
of items may be derived from a common base class that manages the collection.
CS202 Summer 2015 Programming Assignment #1
When Implementing Data Structures;
Implementation of the data structures requires full support of insert, removal,
display, retrieval, and remove-all.
Writeups Required: (per style sheet)
I. Written Design (turned in early)
• The design writeup has a separate due date and may not be turned in late
• This must be written in English using complete sentences.
1. 600 word minimum
2. It should cover the major design considerations
3. Discuss what classes you are intending to create
4. Discuss the relationship between those classes (using, containing,
hierarchical)
5. Discuss what methods are needed to avoid excessive use of “getters”
6. Outline the functions that you need for each class and how they will be used
by other classes in your design
7. UML diagrams are highly encouraged but they do not replace the need for
a writeup!
II. Analyzing your Design (after programming):
• This must be written in English using complete sentences.
1. 400 word minimum
2. Discuss the effectiveness of your design and classes
3. Discuss the validity of your approach
4. Analyze your results in terms of object oriented programming
methodologies
5. What major changes did you have to make in your design and explain why
6. Describe the efficiency of the approach and the efficiency of the resulting
code
7. Think in terms of analyzing your solution!
III. Debugger Writeup (after programming):
• This must be written in English using complete sentences.
1. 400 word minimum
2. Discuss the effectiveness of the debugger
3. Discuss what problems it helped you solve
4. Did you discover how it could be used to enhance the programming experience
5. Discuss features that you would like to learn about so that you could use them the
next time you program