CSCI 1321 (Principles of Algorithm Design II), Spring 2003:
Homework 4

Due:

Design due March 20, 2003, at 5pm; code due March 21, 2003, at 5pm.

Credit:

Design 20 points; code 40 points.

What you are to do

First review Dr. Lewis's Project Description. Then read the specific instructions for Assignment 4. In this assignment you are to do the following.

• Do at least a preliminary design of all the entities in your game, and update the design of your player to reflect how it will interact with them.

• Implement an entity list for your screen class (a replacement for Dr. Lewis's GameEntityList class). Notice that while there are many Java library classes that could be used to store a list, for this assignment you are not allowed to use them. You can use the code we wrote in class or the code linked from the course ``sample programs'' page as a guide, but do not just cut and paste code from my SinglyLinkedList class -- you're more likely to understand it if you type it in yourself. Consider also writing a short main method for this class that allows you to test various cases (adding to an empty list, trying to remove an element that's not in the list, etc.).

• Begin implementing the entities. In particular you should be able to implement all of the ones that don't move, making them appear on the screen and interact with the player according to how your game is supposed to work.

Completing the design step

As with previous homeworks, you can continue to add to a previously-set-up Together project, or you can create a new project in a new directory and copy in the files from Homework 3. Again as with Homework 3, be sure every class you have designed, including the classes for this assignment, contains Javadoc comments describing the class and its methods. Use Together to generate HTML documentation for your classes. For this assignment, it should go in subdirectory Local/HTML-Documents/PAD2Project/Assn4/Design of your Linux home directory.

Turning in your design

Send me e-mail (at bmassing@cs.trinity.edu) telling me that your design is ready to be graded. Please use a subject line that mentions the course name and the assignment number (e.g., ``cs1321 design 4'' or ``PAD2 design 4'').

Completing the code step

For this step, finish writing the code for the class you designed in the design step; also make any required changes to the classes you designed and wrote for previous assignments. As before, compile and test your code. Be sure to use the JAR file for assignment 4. When you are happy with how your code works, generate a final version of your documentation, as described above except putting the result in Local/HTML-Documents/PAD2Project/Assn4/Final.

Turning in your code

E-mail all your source code (.java files), and any additional files needed for your game (e.g., files created by the screen editor) to me at bmassing@cs.trinity.edu. You may use either of the following methods.

• Use your favorite mail program and attach each file as an attachment.

• From Linux/Unix, cd to the directory containing your project and type the following command.

  /users/bmassing/Pgms/cs1321/sendfiles assignment

  where assignment is some text that indicates which assignment this is (e.g., ``hw4'' or ``homework 4'').

  This script will e-mail all files in the current directory except the ones that I don't need or will recreate. It also sends a copy of the e-mail to your Trinity account, so you can be sure about what was sent.