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BoogleLetter.java
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BoogleLetter.java
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// author : connor chang
// purpose : class to represent a letter on the board, contains some graph theory vertex characteristics (adjacents)
import java.lang.Math;
public class BoogleLetter {
// class variables
private static String[] allLetters = new String [] {"I","E","T","U","O","A","N","R","L","D","S","M","C","P","QU","X","V","G","F","B","H","Z","Y","W","K","J"};
private static int[] letterWeights = new int [] {8,8,8,7,7,7,6,5,5,4,4,3,3,2,2,2,2,2,2,2,2,1,1,1,1,1};
private String letter;
private BoogleLetter[] adj;
private int deg;
/**
default, randomized constructor
**/
public BoogleLetter() {
// weighting stuff
int totalWeight = 0;
for(int weight : letterWeights) {
totalWeight += weight;
}
int i = 0;
for(int rand = (int) (Math.random() * totalWeight); i < allLetters.length; i++) {
rand -= letterWeights[i];
if(rand <= 0) { break; }
}
this.letter = allLetters[i];
this.adj = new BoogleLetter[8];
this.deg = 0;
}
/**
parametrized constructor, starts as given letter; mainly for troubleshooting
@param letter the letter-to-be
**/
public BoogleLetter(String letter) {
this.letter = letter;
this.adj = new BoogleLetter[8];
this.deg = 0;
}
/**
adds an adjacent "BoogleLetter" vertex to the array
@param l the letter to add as an adjacent
**/
public void addAdjacent(BoogleLetter l) {
// if adjacent is full for some reason
if(deg >= 8) return;
adj[deg] = l;
deg++;
}
/**
accessor for going through the adjacents by index
@param i index of the adjacent letter to return
**/
public BoogleLetter getAdjacent(int i) {
return this.adj[i];
}
/**
degree accessor
**/
public int getDegree() {
return deg;
}
/**
tells if this is a normal letter or annoying edge case (QU i am talking about you)
**/
public boolean isOneLetter() {
return this.letter.length() == 1;
}
/**
toString override. also plan to use as an accessor for this.letter
**/
@Override
public String toString() {
return this.letter;
}
}