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‎tilePuzzle/Color.java‎

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package tilePuzzle;
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/**
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*
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* Enum class to represent color constants
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*
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* @author angy xajil CS2013-05 CIN: 400304005
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*
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*/
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public enum Color {
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/**
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* Red, orange, yellow, green, blue, purple, unknown
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*/
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R, O, Y, G, B, P, K
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}

‎tilePuzzle/Main.java‎

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package tilePuzzle;
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import java.util.Scanner;
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/**
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* This class outputs a menu for the user to select which puzzle they would like
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* to solve and calls the appropriate method
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*
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* @author angy xajil CS2013-05; CIN: 400304005
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*
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*/
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public class Main {
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public static void main(String[] args) {
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// TODO Auto-generated method stub
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/**
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* declaring a TileSet object
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*/
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TileSet ts = null;
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System.out.println("Which puzzle would you like to solve?" + "\nA: tileset1-1.txt" + "\nB: tileset2-1.txt"
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+ "\nC: tileset3-1.txt");
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Scanner scan = new Scanner(System.in);
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/**
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* String read by the scanner
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*/
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String choice = scan.nextLine();
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/**
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* declaring a new string option
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*/
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String option;
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/**
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* Chosen input is converted to lower case to ensure choice can still be read
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* despite the case type (upper or lower)
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*/
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option = choice.toLowerCase();
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/**
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* determines output based on chosen file
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*/
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switch (option) {
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case "a":
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/**
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* instantiating the TileSet object with chosen file
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*/
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ts = TileSet.LoadTiles("src/txtfiles/tileset1-1.txt");
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/**
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* boolean true allows all solutions to be printed
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*/
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ts.Solve(true);
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break;
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case "b":
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ts = TileSet.LoadTiles("src/txtfiles/tileset2-1.txt");
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System.out.println("Please wait patiently while the number of solutions are found...");
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/**
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* boolean value false ensures solutions are not printed (too many!)
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*/
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ts.Solve(false);
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break;
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case "c":
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ts = TileSet.LoadTiles("src/txtfiles/tileset3-1.txt");
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System.out.println("Working...");
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ts.Solve(true);
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break;
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default:
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System.out.println("Something went wrong, please try again!");
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System.exit(0);
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}
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scan.close();
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}
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}

‎tilePuzzle/Side.java‎

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package tilePuzzle;
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/**
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* Enum class to represent position constants
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*
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* @author angy xajil CS2013-05 CIN: 400304005
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*
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*/
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public enum Side {
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/**
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* side a, side b, side c, side d, side f
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*/
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SA, SB, SC, SD, SE, SF
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}

‎tilePuzzle/Tile.java‎

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package tilePuzzle;
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/**
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* This class represents an individual tile and contains the methods necessary
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* to assign tile information from the txt file, assign colors, rotate, and
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* match the tile data.
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*
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* @author angy xajil CS2013-05 CIN: 400304005
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*
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*/
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public class Tile {
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/*
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* array to hold all data from the tile sides;
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*/
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private Color[] sideData;
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/**
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* integer to hold position number
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*/
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private int pos;
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/**
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* integer to hold the tile number
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*/
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private int num;
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/*
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* Default constructor sets the sideData array to 6 because our tiles have 6
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* sides; setting each side of the tile as color k and setting at position 0
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* with no rotations;
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*/
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public Tile() {
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sideData = new Color[6];
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for (int i = 0; i < 6; i++) {
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sideData[i] = Color.K;
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}
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pos = 0;
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}
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/*
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* Copy constructor that takes in a Tile t as a parameter to add to our solution
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* copies all side data, tile number, and position number (:
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*/
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public Tile(Tile t) {
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sideData = new Color[6];
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for (int i = 0; i < 6; i++) {
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sideData[i] = t.sideData[i];
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}
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pos = t.pos;
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num = t.num;
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}
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/**
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* Method that takes a String init and an integer v as parameters and assigns
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* colors to the array
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*
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* @param init string from txt file
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* @param v is the tile number
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*/
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public void assign(String init, int v) {
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/**
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* previously initialized "num" now equals our parameter v which is the tile
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* number
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*/
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num = v;
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/**
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* String init is now a substring from index of ":" + 2 (where the letters start
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* to the end of the string)
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*/
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init = init.substring(init.indexOf(':') + 2, init.length());
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/**
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* all commas in that substring are removed
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*/
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init = init.replaceAll(",", "");
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/*
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* reading through the 6 colors and putting them into the sideData array
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*/
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for (int i = 0; i < 6; i++) {
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switch (init.charAt(i)) {
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case 'R':
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sideData[i] = Color.R;
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break;
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case 'O':
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sideData[i] = Color.O;
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break;
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case 'Y':
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sideData[i] = Color.Y;
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break;
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case 'G':
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sideData[i] = Color.G;
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break;
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case 'B':
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sideData[i] = Color.B;
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break;
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case 'P':
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sideData[i] = Color.P;
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break;
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/**
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* if color cannot be changed from K, error in file reading or formatting
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*/
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default:
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sideData[i] = Color.K;
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System.out.println("Error initializing tile colors.");
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break;
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}
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}
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/**
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* no position since it has not been placed yet
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*/
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pos = 0;
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}
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/*
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* Method that shifts the array left by 1, which rotates our tile
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*/
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void rotate() {
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Color LastColor = sideData[5];
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for (int i = 5; i > 0; i--) {
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sideData[i] = sideData[i - 1];
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}
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sideData[0] = LastColor;
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}
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/**
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* Method that returns rotation count an integer, updates
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*
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* @return integer rotation count
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*/
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/**
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*
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* Method containing a switch case that assigns sideData indexes to sides a - f
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* i.e(index 0 is side a, index 1 is side b, ...)
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*
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* @param s is a side
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* @return color at specified index
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*/
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public Color color(Side s) {
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switch (s) {
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case SA:
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return sideData[0];
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case SB:
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return sideData[1];
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case SC:
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return sideData[2];
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case SD:
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return sideData[3];
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case SE:
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return sideData[4];
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case SF:
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return sideData[5];
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default:
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return Color.K;
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}
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}
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/**
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* Method that takes 2 tiles objects as parameters (the previously placed tile
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* and the center tile) and matches the appropriate sides
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*
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* Or, if previous tile is in position x, match and place position x + 1
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*
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* @param prev is the previously placed tile
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* @param center is the center tile (position 1)
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* @return a boolean value
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*/
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public boolean Match(Tile prev, Tile center) {
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/**
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* position of the tile previously placed is set as the condition for the switch
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* statement
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*/
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switch (prev.Pos()) {
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/*
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* Match position 2 tile side D to previous position tile side A
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*/
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case 1:
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return color(Side.SD) == center.color(Side.SA);
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/**
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* Match position 3 tile side E with center position tile side B and side F with
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* previous tile side C
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*/
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case 2:
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return color(Side.SE) == center.color(Side.SB) && color(Side.SF) == prev.color(Side.SC);
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case 3:
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return color(Side.SF) == center.color(Side.SC) && color(Side.SA) == prev.color(Side.SD);
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case 4:
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return color(Side.SA) == center.color(Side.SD) && color(Side.SB) == prev.color(Side.SE);
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case 5:
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return color(Side.SB) == center.color(Side.SE) && color(Side.SC) == prev.color(Side.SF);
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case 6:
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return color(Side.SC) == center.color(Side.SF) && color(Side.SD) == prev.color(Side.SA);
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/**
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* in case we are attempting to place an 8th tile
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*/
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case 7:
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System.out.println("ERROR: Attempted to place tile after last tile.");
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return false;
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default:
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System.out.println("ERROR: Attempted to place tile at invalid position " + (prev.Pos() + 1) + ".");
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}
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return false;
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}
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/*
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* Setter for position value
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*/
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public void Place(int p) {
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pos = p;
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}
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/**
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* Getter for position value
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*
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* @return the position of the tile
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*/
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public int Pos() {
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return pos;
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}
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/**
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* Method to remove tiles from the board
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*/
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public void Remove() {
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pos = 0;
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}
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/*
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* Implements the toString method that return the formatted tile object
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*/
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public String toString() {
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String outString = "Position " + pos + ": Tile #" + num + ":";
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for (int i = 0; i < 6; i++) {
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outString += "\t" + sideData[i];
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}
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outString += "\n";
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return outString;
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}
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}

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