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package ch.epfl.maze.util;
import java.io.File;
import java.io.FileNotFoundException;
import java.util.ArrayList;
import java.util.Scanner;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**
* Generates a set of pre-computed labyrinth structures
*/
public final class LabyrinthGenerator {
/**
* Returns a precomputed labyrinth of small size.
*
* @return A small labyrinth
*/
public static int[][] getSmall() {
int[][] labyrinth = {
{1, 1, 1, 1, 1, 1, 1, 1, 1, 3, 1},
{1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1},
{1, 0, 1, 1, 1, 0, 1, 1, 1, 1, 1},
{1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1},
{1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1},
{1, 0, 1, 0, 1, 0, 1, 0, 0, 0, 1},
{1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1},
{1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1},
{1, 0, 1, 0, 1, 1, 1, 0, 1, 1, 1},
{1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1},
{1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1},
};
return labyrinth;
}
/**
* Returns a precomputed labyrinth of medium size.
*
* @return A medium labyrinth
*/
public static int[][] getMedium() {
int[][] labyrinth = {
{1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1},
{1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1},
{1, 0, 1, 0, 1, 1, 1, 0, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1},
{1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1},
{1, 0, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 0, 1},
{1, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 1},
{1, 0, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 0, 1, 1, 1, 0, 1},
{1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 1},
{1, 1, 1, 0, 1, 0, 1, 1, 1, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1},
{1, 0, 0, 0, 1, 0, 1, 0, 0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1},
{1, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1},
{1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 1, 0, 1, 0, 0, 0, 1, 0, 1},
{1, 0, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1},
{1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1},
{1, 1, 1, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, 1, 1, 1, 1, 0, 1},
{1, 0, 0, 0, 1, 0, 1, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 1},
{1, 0, 1, 1, 1, 0, 1, 0, 1, 1, 1, 1, 1, 0, 1, 0, 1, 0, 1},
{1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 3},
{1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}
};
return labyrinth;
}
public static int[][] getLarge() {
int[][] labyrinth = {
{1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1},
{1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1},
{1, 0, 1, 0, 1, 0, 1, 1, 1, 1, 1, 0, 1, 0, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1},
{1, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 1},
{1, 0, 1, 0, 1, 1, 1, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, 1, 1, 0, 1, 0, 1, 0, 1, 1, 1, 0, 1},
{1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1},
{1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1},
{1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1},
{1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 0, 1},
{1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1},
{1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 0, 1, 0, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1},
{1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1},
{1, 0, 1, 0, 1, 0, 1, 1, 1, 1, 1, 0, 1, 0, 1, 1, 1, 0, 1, 1, 1, 1, 1, 0, 1, 0, 1, 0, 1},
{1, 0, 1, 0, 1, 0, 0, 0, 0, 0, 1, 0, 1, 0, 1, 0, 0, 0, 1, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1},
{1, 0, 1, 0, 1, 1, 1, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, 1, 1, 0, 1, 0, 1, 1, 1, 1, 1, 1, 1},
{1, 0, 1, 0, 0, 0, 0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 1},
{1, 0, 1, 1, 1, 1, 1, 1, 1, 0, 1, 0, 1, 1, 1, 0, 1, 0, 1, 1, 1, 0, 1, 0, 1, 1, 1, 0, 1},
{1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 1},
{1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 0, 1, 0, 1},
{2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1},
{1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}
};
return labyrinth;
}
// ==============================================================
// ==============================================================
/**
* Returns the labyrinth structure of the Pac-Man level.
*
* @return The Pac-Man level
*/
public static int[][] getPacMan() {
int[][] labyrinth = {
{1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1},
{1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1},
{1, 0, 1, 1, 0, 1, 1, 1, 0, 1, 0, 1, 1, 1, 0, 1, 1, 0, 1},
{1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1},
{1, 0, 1, 1, 0, 1, 0, 1, 1, 1, 1, 1, 0, 1, 0, 1, 1, 0, 1},
{1, 0, 0, 0, 0, 1, 0, 0, 1, 1, 1, 0, 0, 1, 0, 0, 0, 0, 1},
{1, 1, 1, 1, 0, 1, 1, 0, 1, 1, 1, 0, 1, 1, 0, 1, 1, 1, 1},
{1, 1, 1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 1, 1, 1},
{1, 1, 1, 1, 0, 1, 0, 1, 1, 1, 1, 1, 0, 1, 0, 1, 1, 1, 1},
{0, 0, 0, 0, 0, 0, 0, 1, -1, -1, -1, 1, 0, 0, 0, 0, 0, 0, 0},
{1, 1, 1, 1, 0, 1, 0, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1},
{1, 1, 1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1},
{1, 1, 1, 1, 0, 1, 0, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1},
{1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1},
{1, 0, 1, 1, 0, 1, 1, 1, 0, 1, 0, 1, 1, 1, 1, 1, 1, 0, 1},
{1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1},
{1, 1, 0, 1, 0, 1, 0, 1, 1, 1, 1, 1, 0, 1, 0, 1, 0, 1, 1},
{1, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 1},
{1, 0, 1, 1, 1, 1, 1, 1, 0, 1, 0, 1, 1, 1, 1, 1, 1, 0, 1},
{1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1},
{1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}
};
return labyrinth;
}
// ==============================================================
/**
* Returns the labyrinth structure of one of the Ms. Pac-Man levels.
*
* @return One of the Ms. Pac-Man levels
*/
public static int[][] getMsPacMan() {
int[][] labyrinth = {
{1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1},
{1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1},
{1, 0, 1, 1, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, 1, 1, 1, 0, 1},
{1, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 1},
{1, 0, 0, 0, 1, 0, 1, 1, 0, 1, 0, 1, 1, 0, 1, 0, 0, 0, 1},
{1, 1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 1, 1},
{0, 0, 0, 0, 1, 1, 0, 1, 1, 1, 1, 1, 0, 1, 1, 0, 0, 0, 0},
{1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1},
{1, 0, 1, 1, 0, 1, 0, 1, 1, 1, 1, 1, 0, 1, 0, 1, 1, 0, 1},
{1, 0, 0, 0, 0, 1, 0, 1, -1, -1, -1, 1, 0, 1, 0, 0, 0, 0, 1},
{1, 0, 1, 0, 1, 1, 0, 1, 1, 1, 1, 1, 0, 1, 1, 0, 1, 0, 1},
{1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1},
{1, 0, 1, 1, 0, 1, 1, 1, 0, 1, 0, 1, 1, 1, 0, 1, 1, 0, 1},
{1, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 1},
{1, 1, 0, 1, 0, 1, 0, 1, 1, 1, 1, 1, 0, 1, 0, 1, 0, 1, 1},
{1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1},
{1, 0, 1, 1, 0, 1, 1, 1, 0, 1, 0, 1, 1, 1, 0, 1, 1, 0, 1},
{1, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 1},
{1, 0, 1, 1, 0, 1, 0, 1, 1, 1, 1, 1, 0, 1, 0, 1, 1, 0, 1},
{1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1},
{1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}
};
return labyrinth;
}
/**
* Returns a hard-coded labyrinth which is multiply connected.
* <p>
* If the Monkey algorithm is run on this labyrinth, it will never find the
* solution.
*
* @return A labyrinth multiply connected
*/
public static int[][] getMultiplyConnected() {
int[][] labyrinth = {
{1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,},
{1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1,},
{1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1,},
{1, 0, 0, 3, 1, 0, 1, 0, 0, 0, 1,},
{1, 0, 1, 1, 1, 0, 1, 1, 1, 1, 1,},
{1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1,},
{1, 0, 1, 0, 1, 0, 1, 1, 1, 0, 1,},
{1, 0, 1, 0, 1, 0, 0, 0, 1, 0, 1,},
{1, 1, 1, 0, 1, 1, 1, 0, 1, 0, 1,},
{1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1,},
{1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1,}
};
return labyrinth;
}
// ==============================================================
/**
* Returns a hard-coded maze for debugging the Mouse.
*
* @return A maze for debugging the Mouse
*/
public static int[][] getDebugMouse() {
int[][] labyrinth = {
{1, 1, 1, 1, 1, 1, 1},
{2, 0, 0, 0, 0, 0, 1},
{1, 1, 1, 1, 1, 0, 1},
{1, 3, 1, 1, 1, 0, 1},
{1, 0, 1, 1, 1, 0, 1},
{1, 0, 0, 0, 0, 0, 1},
{1, 1, 1, 1, 1, 1, 1}
};
return labyrinth;
}
/**
* Returns a hard-coded maze for debugging the Hamster.
*
* @return A maze for debugging the Hamster
*/
public static int[][] getDebugHamster() {
int[][] labyrinth = {
{1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1},
{1, 1, 0, 0, 0, 1, 0, 0, 0, 1, 1},
{1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1},
{2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3},
{1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1},
{1, 1, 0, 0, 0, 1, 0, 0, 0, 1, 1},
{1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}
};
return labyrinth;
}
/**
* Returns a hard-coded maze for debugging the Monkey.
*
* @return A maze for debugging the Monkey
*/
public static int[][] getDebugMonkey() {
int[][] labyrinth = {
{1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1},
{1, 1, 0, 1, 0, 1, 1, 1, 0, 1, 1},
{1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1},
{1, 1, 0, 1, 1, 1, 1, 1, 0, 1, 1},
{1, 1, 0, 1, 1, 1, 3, 1, 0, 1, 1},
{1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1},
{1, 1, 1, 1, 0, 1, 0, 1, 0, 1, 1},
{1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1}
};
return labyrinth;
}
/**
* Returns a hard-coded maze for debugging the Bear.
*
* @return A maze for debugging the Bear
*/
public static int[][] getDebugBear1() {
int[][] labyrinth = {
{1, 1, 1, 2, 1, 1, 1,},
{1, 0, 0, 0, 1, 0, 1,},
{1, 0, 0, 0, 0, 0, 1,},
{1, 0, 0, 0, 0, 0, 1,},
{1, 1, 1, 1, 0, 0, 1,},
{3, 0, 0, 0, 0, 0, 1,},
{1, 1, 1, 1, 1, 1, 1,}
};
return labyrinth;
}
/**
* Returns a hard-coded maze for debugging the Bear.
*
* @return A maze for debugging the Bear
*/
public static int[][] getDebugBear2() {
int[][] labyrinth = {
{1, 2, 1, 1},
{1, 0, 1, 1},
{1, 0, 0, 3},
{1, 0, 1, 1},
{1, 0, 1, 1},
{1, 1, 1, 1}
};
return labyrinth;
}
/**
* Returns a hard-coded maze for debugging the Panda.
*
* @return A maze for debugging the Panda
*/
public static int[][] getDebugPanda1() {
int[][] labyrinth = {
{1, 1, 1, 2, 1, 1, 1},
{1, 1, 1, 0, 1, 1, 1},
{1, 0, 0, 0, 0, 0, 1},
{1, 0, 1, 1, 1, 0, 1},
{1, 0, 0, 0, 0, 0, 1},
{1, 1, 1, 1, 1, 1, 1}
};
return labyrinth;
}
/**
* Returns a hard-coded maze for debugging the Panda.
*
* @return A maze for debugging the Panda
*/
public static int[][] getDebugPanda2() {
int[][] labyrinth = {
{1, 1, 1, 1, 1, 1, 1, 1, 1},
{1, 1, 1, 1, 0, 1, 1, 1, 1},
{1, 1, 1, 1, 0, 1, 1, 1, 1},
{1, 1, 1, 1, 0, 1, 1, 1, 1},
{1, 0, 0, 0, 2, 0, 0, 0, 1},
{1, 1, 1, 1, 0, 1, 1, 1, 1},
{1, 1, 1, 1, 0, 1, 1, 1, 1},
{1, 1, 1, 1, 0, 1, 1, 1, 1},
{1, 1, 1, 1, 1, 1, 1, 1, 1}
};
return labyrinth;
}
// ==============================================================
/**
* Returns a hard-coded maze that shows the efficiency of the Bear over
* the Monkey.
*
* @return A maze to run with a Bear and a Monkey
*/
public static int[][] getBearVsMonkey() {
int[][] labyrinth = {
{1, 1, 1, 3, 1, 1, 1},
{1, 0, 0, 0, 0, 0, 1},
{1, 0, 1, 1, 1, 0, 1},
{1, 0, 0, 2, 0, 0, 1},
{1, 1, 1, 1, 1, 1, 1}
};
return labyrinth;
}
/**
* Returns a hard-coded maze that shows the efficiency of the Panda over
* the Hamster.
*
* @return A maze to run with a Panda and a Hamster
*/
public static int[][] getPandaVsHamster() {
int[][] labyrinth = {
{1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1},
{1, 0, 0, 0, 0, 0, 0, 0, 0, 3, 1},
{1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1},
{1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1},
{1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1},
{1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1},
{1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1},
{1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1},
{1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1},
{1, 2, 0, 0, 0, 0, 0, 0, 0, 0, 1},
{1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}
};
return labyrinth;
}
// ==============================================================
/**
* Returns a hard-coded maze for debugging Blinky.
*
* @return A maze for debugging Blinky
*/
public static int[][] getDebugBlinky() {
int[][] labyrinth = {
{1, 1, 1, 1, 1, 1, 1, 1},
{1, 0, 0, 0, 0, 0, 0, 1},
{1, 0, 1, 0, 1, 1, 0, 1},
{1, 0, 0, 0, 0, 0, 0, 1},
{1, 0, 1, 0, 1, 1, 0, 1},
{1, 0, 0, 0, 0, 0, 0, 1},
{1, 1, 1, 1, 1, 1, 1, 1}
};
return labyrinth;
}
/**
* Returns a hard-coded maze for debugging Pinky.
*
* @return A maze for debugging Pinky
*/
public static int[][] getDebugPinky() {
int[][] labyrinth = {
{1, 1, 1, 1, 1, 1, 1, 1, 1},
{1, 0, 0, 0, 0, 0, 0, 0, 1},
{1, 0, 1, 0, 1, 1, 1, 0, 1},
{1, 0, 0, 0, 0, 0, 0, 0, 1},
{1, 1, 1, 1, 1, 1, 1, 1, 1}
};
return labyrinth;
}
/**
* Returns a hard-coded maze for debugging Inky.
*
* @return A maze for debugging Inky
*/
public static int[][] getDebugInky() {
int[][] labyrinth = {
{1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1},
{1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1},
{1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1},
{1, 0, 0, 3, 0, 0, 0, 0, 0, 0, 1},
{1, 0, 1, 0, 1, 1, 1, 0, 1, 0, 1},
{1, 0, 0, 0, 1, 0, 1, 0, 0, 0, 1},
{1, 0, 1, 0, 1, 1, 1, 1, 1, 0, 1},
{1, 0, 0, 0, 0, 0, 1, 0, 1, 0, 1},
{1, 0, 1, 0, 1, 0, 1, 1, 1, 0, 1},
{1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1},
{1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}
};
return labyrinth;
}
/**
* Returns a hard-coded maze for debugging Clyde.
*
* @return A maze for debugging Clyde
*/
public static int[][] getDebugClyde() {
int[][] labyrinth = {
{1, 1, 1, 1, 1, 1, 1, 1, 1, 1,},
{1, 0, 0, 0, 0, 0, 0, 0, 0, 1,},
{1, 0, 1, 1, 1, 1, 0, 1, 0, 1,},
{1, 0, 0, 0, 0, 0, 0, 0, 0, 1,},
{1, 1, 1, 1, 1, 1, 1, 1, 1, 1,}
};
return labyrinth;
}
// ==============================================================
/**
* Reads and returns a labyrinth from specified file.
* <p>
* The file must be present in the root folder of the project.
*
* @param filename The file location
* @return Labyrinth structure parsed from a file
*/
public static int[][] readFromFile(String filename) {
File file = new File(filename);
int[][] labyrinth = null;
Scanner scanner = null;
try {
scanner = new Scanner(file);
// reads one line after the other
ArrayList<ArrayList<String>> lines = new ArrayList<ArrayList<String>>();
while (scanner.hasNext()) {
String line = scanner.nextLine();
// looks for a single number in the line using a Regular Expression
Matcher match = Pattern.compile("-?[0-9]").matcher(line);
ArrayList<String> list = new ArrayList<String>();
while (match.find()) {
list.add(match.group());
}
// gets rid of empty lines
if (!list.isEmpty()) {
lines.add(list);
}
}
// parses the Strings found into a labyrinth
labyrinth = new int[lines.size()][];
for (int i = 0; i < labyrinth.length; i++) {
ArrayList<String> line = lines.get(i);
labyrinth[i] = new int[line.size()];
for (int j = 0; j < line.size(); j++) {
labyrinth[i][j] = Integer.parseInt(line.get(j));
}
}
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (NumberFormatException e) {
e.printStackTrace();
} finally {
if (scanner != null) {
scanner.close();
}
}
return labyrinth;
}
}
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