學習Java08

CODE:

import java.util.*;
import java.io.*;

public class DotComBust{
	private GameHelper helper= new GameHelper();
	private ArrayList<DotCom> dotComsList = new ArrayList<DotCom>();
	private int numOfGuesses=0;
	private void setUpGame(){
	DotCom one = new DotCom();
	one.setName("Pets.com");
	DotCom two = new DotCom();
	two.setName("eToys.com");
	DotCom three = new DotCom();
	three.setName("Go2.com");
	dotComsList.add(one);
	dotComsList.add(two);
	dotComsList.add(three);
	System.out.println("please Guess!:");
		for (DotCom dotComToSet : dotComsList){
		ArrayList<String>newLocation = helper.placeDotCom(3);
		dotComToSet.setLocationCells(newLocation);
		}
	}
	private void StartPlaying(){
	while(!dotComsList.isEmpty()){
	String userGuess=helper.getUserInput("Enter a guess!");
	checkUserGuess(userGuess);
	
	}
	finishGame();
	}
public class GameHelper {

  private static final String alphabet = "abcdefg";
  private int gridLength = 7;
  private int gridSize = 49;
  private int [] grid = new int[gridSize];
  private int comCount = 0;


  public String getUserInput(String prompt) {
     String inputLine = null;
     System.out.print(prompt + "  ");
     try {
       BufferedReader is = new BufferedReader(
	 new InputStreamReader(System.in));
       inputLine = is.readLine();
       if (inputLine.length() == 0 )  return null; 
     } catch (IOException e) {
       System.out.println("IOException: " + e);
     }
     return inputLine.toLowerCase();
  }

   
 public ArrayList<String> placeDotCom(int comSize) {       
    ArrayList<String> alphaCells = new ArrayList<String>();
    //String [] alphacoords = new String [comSize];      // 保存字符串
    String temp = null;                                // 臨時字符串
    int [] coords = new int[comSize];                  // 現有字符串
    int attempts = 0;                                  // 目前測試的字符串
    boolean success = false;                           // flag = 找到了合適的字符嗎 ?
    int location = 0;                                  // 目前起點
    
    comCount++;                                      
    int incr = 1;                                       
    if ((comCount % 2) == 1) {                          
      incr = gridLength;                               
    }

    while ( !success & attempts++ < 200 ) {           
	location = (int) (Math.random() * gridSize);      
        //System.out.print(" try " + location);
	int x = 0;                                        
        success = true;                               
        while (success && x < comSize) {              
          if (grid[location] == 0) {                   
             coords[x++] = location;                   
             location += incr;                           
             if (location >= gridSize){                  
               success = false;                          
             }
             if (x>0 & (location % gridLength == 0)) {   
               success = false;                         
             }
          } else {                                     
              // System.out.print(" used " + location);  
              success = false;                           
          }
        }
    }                                                 

    int x = 0;                                          
    int row = 0;
    int column = 0;
    // System.out.println("\n");
    while (x < comSize) {
      grid[coords[x]] = 1;                              // mark master grid pts. as 'used'
      row = (int) (coords[x] / gridLength);             // get row value
      column = coords[x] % gridLength;                  // get numeric column value
      temp = String.valueOf(alphabet.charAt(column));   // convert to alpha
      
      alphaCells.add(temp.concat(Integer.toString(row)));
      x++;

      // System.out.print("  coord "+x+" = " + alphaCells.get(x-1));
      
    }
    // System.out.println("\n");
    
    return alphaCells;
   }
}

		
		
private void checkUserGuess(String userGuess){
	numOfGuesses++;
	String result ="miss";
	for (DotCom dotComToTest : dotComsList){
		result = dotComToTest.checkYourself(userGuess);
		if (result.equals("hit")){
		break;
		}
		if (result.equals("kill")){
		break;
		}
	}
	System.out.println(result);
	}
private void finishGame(){
	System.out.println("ALL DOT HAVE BEEN KILLED!YOU WIN THE GAME!");
	
	System.out.println("It took you "+numOfGuesses+"guesses.");
	}

	

public class DotCom{
	private ArrayList<String> locationCells;
	private String name;
	public void setLocationCells(ArrayList<String> loc){
		locationCells=loc;
		}
	public void setName(String n){
	name=n;
	}
public String checkYourself(String userInput){
	String result ="miss";
	int index= locationCells.indexOf(userInput);
	if (index>=0){
	locationCells.remove(index);
	if(locationCells.isEmpty()){
		result ="kill";
		System.out.println("Ouch! You Sunk"+name+"    :(");
		}else{
		result="hit";
		}
	}
	return result;
	}
}
public class Day {
         public static void main(String args[]) {
		DotComBust game = new DotComBust();
		game.setUpGame();
		game.StartPlaying();
		 
     }             
}
}