map.java

一个贪吃蛇游戏

/**
 * @(#)Map.java
 * @A map with name,difficulty,proportions of four kinds of food and info.
 *
 * @Link Scholes
 * @version 1.00 2008/7/21
 */

package Data;

//Java core packages
import java.io.*;
import java.util.*;
import java.util.zip.*;

public class Map
{
	private int tmp;
	private int difficulty;
	private int food[];
	private int info[][];
	private String temp;
	private String name;
	private BufferedReader input;
	private BufferedWriter output;
	private File file;
	private Scanner scanner;
	
	//construct a map with all properties defaulted
	public Map()
	{
		food = new int[4];
		info = new int[15][15];
		difficulty = 564;
		name = "DEFAULT";
		
		for (int i = 0;i < 4;i ++)
		{
			food[i] = 25;
		}
		
		for (int i = 0;i < 15;i ++)
		{
			for (int j = 0;j < 15;j ++)
			{
				info[i][j] = 0;
			}
		}
	}
	
	//get the difficulty of the map
	public int getDifficulty()
	{
		return difficulty;
	}
	
	//get the proportions of four kinds of food of the map
	public int[] getFood()
	{
		return food;
	}
	
	//get the info of the map
	public int[][] getInfo()
	{
		return info;
	}
	
	//get the name of the map
	public String getName()
	{
		return name;
	}
	
	//set the map with specified name,info and proportions of four kinds of food
	public void setMap(String s,int a[][],int b[])
	{
		name = s;
		info = a;
		food = b;
	}
	
	//turn the map to String
	public String toString()
	{
		temp = "";
		
		for (int i = 0;i < 15;i ++)
		{
			for (int j = 0;j < 15;j ++)
			{
				temp += info[i][j] + " ";
			}
		}
		
		for (int i = 0;i < 4;i ++)
		{
			temp += food[i] + " ";
		}
		
		temp += difficulty;
		return temp;
	}
	
	//save the map to a ".map" file
	public void save()
	{
		try
		{
			difficulty();
			input = new BufferedReader(new StringReader(toString()));
			output = new BufferedWriter(new OutputStreamWriter(new BufferedOutputStream(new GZIPOutputStream(new FileOutputStream("map\\extended\\" + name + ".map")))));
			tmp = input.read();
			
			while (tmp != -1)
			{
				output.write(tmp);
				tmp = input.read();
			}
			
			input.close();
			output.close();
		}
		catch(IOException e)
		{
			e.printStackTrace();
		}
	}
	
	//load a map of specified kind(original/extended) and specified name
	public void load(boolean b,String s)
	{
		try
		{
			name = s;
			temp = "";
			input = new BufferedReader(new InputStreamReader(new BufferedInputStream(new GZIPInputStream(new FileInputStream("map\\" + ((b)?"original":"extended") + "\\" + name + ".map")))));
			tmp = input.read();
			
			while (tmp != -1)
			{
				temp += (char)tmp;
				tmp = input.read();
			}
			
			input.close();
			scanner = new Scanner(temp);
			
			for (int i = 0;i < 15;i ++)
			{
				for (int j = 0;j < 15;j ++)
				{
					info[i][j] = scanner.nextInt();
				}
			}
			
			for (int i = 0;i < 4;i ++)
			{
				food[i] = scanner.nextInt();
			}
			
			difficulty = scanner.nextInt();
		}
		catch(IOException e)
		{
			e.printStackTrace();
		}
	}
	
	//calculate the difficulty of the map
	private void difficulty()
	{
		for (int i = 0;i < 15;i ++)
		{
			for (int j = 0;j < 15;j ++)
			{
				if (info[i][j] == 10)
				{
					difficulty -= 4;
				}
				else
				{
					if (info[i][j] == 11)
					{
						difficulty += 16;
					}
					else
					{
						if (info[i][j] == 12)
						{
							difficulty += 20;
						}
						else
						{
							if (info[i][j] == 13)
							{
								difficulty -= 8;
							}
							else
							{
								if (info[i][j] > 13)
								{
									difficulty += 4;
								}
							}
						}
					}
				}
			}
		}
		
		difficulty -= 4 * food[0] - 16 * food[1] - 20 * food[2] + 8 * food[3] + 600;
	}
}	//end class Map