/************************************
 * Umass Amherst
 * CS377 Operating System
 * Lab2:
 * Author: Qi Li, Andrew Fagg
 * Date: 9/22/2002
 *
 * Class in this file: 
 * Compile: javac Map_Data.java
 * Run: n/a
 *
 * Description: defines the data structures for the grid and for
 *   the set of robots and goals.
 *
 *
 ***********************************/

import java.util.*;
import java.lang.*;



import javax.swing.*;
import java.awt.event.*;
import java.io.*;
import java.awt.*;

class Map_Data 
{
    int nRowSize,nColSize;  // The size of grid is nRowSize*nColSize
    int nCelldRow,nCelldCol;// Size of individual grid cells in pixels
    int nRobots;        // Total number of robots
    int nGoals;         // Total number of goals  
    int Grid[][];       // grid matix, Grid[i][j]=1 if there is an obstacle at (i,j)
                        //                       =0 otherwise
  
    Abstract_Robot Robots[];  // The array of robots
    Goal  Goals[];       // The array of goals
    int curNGoals;       // The number of uneaten goals

    Abstract_Distance Dists[];   // One for each different color robot
    
    Semaphore sem;       // Used to protect the common data reads/writes

    /* Create the Map structure
       <num_colors> is the  number of different robot color types (3 in our case)
    */

    public Map_Data(int num_colors)
    {
	// Create the semaphore that controls access to common data
	sem = new Semaphore(1);
	Dists = new Abstract_Distance[num_colors]; 
    };
 }