package Maze;

import java.awt.Image;
import java.io.File;
import java.util.Scanner;
import javax.swing.ImageIcon;

public class map {
	private Scanner m;
	private String map[] = new String[14];	//holds one row of map information at a time
	private Image grass, wall ;
	int mapnum = 1;
	
	public map()    //constructor
		{	
			ImageIcon img = new ImageIcon("C://ji//background//grass.png"); //loads image file for grass
			grass = img.getImage();	//sets grass Image = to grass.png
			img = new ImageIcon("C://ji//background//wall.png");
			wall = img.getImage();
	
			openFile(mapnum);
			readFile();
			closeFile();
		}
	public Image getGrass()
		{
			return grass;	//called when map is drawn so it knows which image to show
		}
	public Image getWall()
		{
			return wall;
		}
	public map upLevel(map m){
	m.mapnum +=1;
	openFile(m.mapnum);
	readFile();
	closeFile();
	return m;
	}
	public int downLevel(map m){
		m.mapnum -=1;
		openFile(m.mapnum);
		readFile();
		closeFile();
		return m.mapnum;
		}
	public String getMap(int x, int y)
		{	// y = row, x = number of characters in
			String index = map[y].substring(x, x+1);	//returns either a g or w
			return index;
		}	
	public void openFile(int mapnum)
		{
		System.out.println("Load map Level "+ mapnum);
			try		//try...catch lets the program handle errors without crashing
				{
				if (mapnum==1)	m = new Scanner(new File("C://ji//maps//map.txt"));	//reads map text file
				if (mapnum==2)	m = new Scanner(new File("C://ji//maps//map2.txt"));	//reads map text file
				if (mapnum==3)	m = new Scanner(new File("C://ji//maps//map3.txt"));	//reads map text file
				}
			catch(Exception e)
				{
					System.out.println("Error loading map");
				}
		}
	
	public void readFile()
		{
			while(m.hasNext())		//loops while there is more to read
				{
					for(int i = 0; i < 14; i++)	//one row at a time
						{
							map[i] = m.next();		//loads the text (g or w) into the map array
						}
				}
		}
	public void closeFile()
		{
			m.close();	//close the file when we are done with it.
		}
	
	
}	//end map class