Develop a simple text-based card game in Unix using C
This assignment is designed to provide some experience with C programming and basic UNIX software development tools, e.g., gcc, gdb, and make. Your goal is to develop a simple text-based card game in Unix using C. Since we are emphasizing programming and not game play, we’ll be implementing Go Fish to keep things simple. The rules are summarized below. Your game implementation will only need to support 1 real player and 1 computer player.
Game Play. Your game should have a text-based interface that mimics the one in the sample game play below (i.e., your text interface should adhere to the same format as below). You should use the rand() function in C’s standard library to shuffle the deck, and to select ranks to play on the computer’s turn (see rand’s man page). Keep in mind the game rules below, and return errors if a user enters an incorrect value. On error, prompt the player to retry their move. When the game ends, allow the player to quit the game, or to play again.
Software Design. Your implementation should include multiple .c files (or “modules”) with associated header files. We have designed a template set of C modules/headers and functions that you should implement. You can download these template files here. These files define basic data types (structures) and functions to represent cards, the players, and the deck.
Remember to untar and unzip the file and go into the assignment2/ directory
> tar -xzf assignment2.tar.gz
> cd assignment2/
Each function, data type, and variable defined in each header file has a general description of its functionality/purpose, its input, and its output. Note that the output also specifies return values when errors occur. Make sure to check for errors when calling functions. These functions, data types, and variables are not necessarily complete, and you may add additional functions and/or data structures. You may also alter the interfaces for the functions defined in the header files if necessary. We have also included a Makefile for compilation. To compile the program, type make on the command line. To run the program, type ./gofish on the command line. To remove object files and the executable, type make clean. To build the program with debugging symbols (so you can use gdb), type make debug.
Below is a sample of the game play, and an example of what your output should look like. Note that Player 1 is the human player, and Player 2 is the computer. The red values are those entered by the human player via the keyboard.
ece373@ece373:~$ ./gofish
Shuffling deck…
Player 1’s Hand – 5S 3H JC 9D 9H AS QC
Player 1’s Book –
Player 2’s Book –
Player 1’s turn, enter a Rank: 5
– Player 2 has no 5’s
– Go Fish, Player 1 draws 7D
– Player 2’s turn
Player 1’s Hand – 5S 3H JC 9D 9H AS QC 7D
Player 1’s Book –
Player 2’s Book –
Player 2’s turn, enter a Rank: 9
– Player 1 has 9D, 9H
– Player 2 has 9C, 9S
– Player 2 books 9
– Player 2 gets another turn
Player 1’s Hand – 5S 3H JC AS QC 7D
Player 1’s Book –
Player 2’s Book – 9
Player 2’s turn, enter a Rank: 4
– Player 1 has no 4’s
– Go Fish, Player 2 draws a card
– Player 1’s turn
Player 1’s Hand – 5S 3H JC AS QC 7D
Player 1’s Book –
Player 2’s Book – 9
Player 1’s turn, enter a Rank: 4
Error – must have at least one card from rank to play
Player 1’s turn, enter a Rank: 3
– Player 2 has 3C 3D 3S
– Player 1 has 3H
– Player 1 books 3
– Player 1 gets another turn
…
Player 1’s Hand – 8D
Player 1’s Book – 3 2 J A 6 Q
Player 2’s Book – 9 5 10 4 5 K
Player 1’s turn, enter a Rank: 8
– Player 2 has 8H, 8S, 8C
– Player 1 has 8D
– Player 1 books 8
– Player 1 gets another turn
Player 1’s Hand –
Player 1’s Book – 3 2 J A 6 Q 8
Player 2’s Book – 9 5 10 4 5 K
Player 1 Wins! 7-6
Do you want to play again [Y/N]: Y
Shuffling deck….
Player 1’s Hand – 5S 3H JC 9D 9H AS QC
Player 1’s Book –
Player 2’s Book –
Player 1’s turn, enter a Rank: 5
– Player 2 has no 5’s
– Go Fish, Player 1 draws 7D
– Player 2’s turn
….
Player 1’s Hand –
Player 1’s Book – 3 2 J A 6 Q 8
Player 2’s Book – 9 5 10 4 5 K
Player 1 Wins! 7-6
Do you want to play again [Y/N]: N
Exiting.
Seven cards are dealt from a standard 52-card deck to each player. The remaining cards in the deck are shared between the players, usually spread out in a disorderly pile referred to as the “ocean” or “pool”. The player whose turn it is to play asks another player for his or her cards of a particular rank. For example, Alice may ask, “Bob, do you have any threes?” Alice must have at least one card of the rank she requested. Bob must hand over all cards of that rank if possible. If he has none, Bob tells Alice to “go fish” (or just simply “fish”), and Alice draws a card from the pool and places it in her own hand. Then it is the next player’s turn – unless the card Alice drew is the card she asked for, in which case she shows it to the other players, and she gets another turn. When any player at any time has all four cards of one face value, it forms a “book,” and the cards must be placed face up in front of that player. The player that forms the book then gets another turn. The first person to get 7 “books” wins the game!
Grading
We will grade the program based on three attributes: compilation, game play, and implementation. For the implementation, we have assigned point values to different functions. The total grade is out of 100.
Compilation – 20 points
– The program must compile and run.
Gameplay – 30 points
– The program must adhere to the rules of the game and the specified game play above.
– The program not exit with errors.
Implementation – 50 points
– Player interface (35 points)
– Deck interface (15 points)
– We will test the implementations of the functions specified in these interfaces.
Submission
You should write the program code in the assignment2/ directory. You should then re-tar and zip the entire directory, by running the command below.
> tar -czvf assignment2-solutions.tar.gz assignment2
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