Main.java

/* Krish Patel
   UTD Net ID: KKP230002
   CS 2336.009
   Project: Maze Generator and Solver

File for user interaction for inputting dimensions
and calling classes to generate and solve the maze

Main.java
*/


import java.util.*;

public class Main {
    public static void main(String[] args) {

        // Initialze scanner for user input
        Scanner scannerInput = new Scanner(System.in);

        // Prompt user for maze dimensions
        System.out.print("Enter maze dimensions: ");
        String inputDimensions = scannerInput.nextLine();

        // Handle input formats
        inputDimensions = inputDimensions.replace(",", " "); // Replaves any commas with spaces

        // Create new scanner to determine dimensions one by one
        Scanner num1by1 = new Scanner(inputDimensions);

        // Output error message for invalid input (Not numbers)
        if (!num1by1.hasNextInt()) {
            System.out.println("Invalid input. Please enter two integers for dimensions.");
            scannerInput.close();
            num1by1.close();
            return;
        }

        // Read rows and columns
        int rows = num1by1.nextInt();
        int cols = num1by1.nextInt();


        // Instantiate all classes
        Maze maze = new Maze(rows, cols);
        MazeSolver mazeSolver = new MazeSolver(maze);
        Visualization viewer = new Visualization(maze);
        
        // Calls for random generation of maze
        maze.generateMazeRandomly(System.currentTimeMillis());

        // Intialize start and end cells
        Cell startCell = new Cell(0, 0);
        Cell endCell = new Cell(rows - 1, cols - 1);

        // Generated maze output without path
        System.out.println("\nGenerated Maze (S=start, E=end):");
        viewer.printMazeWithPath(null, startCell, endCell);

        // Solved maze output with path
        List<Cell> correctPath = mazeSolver.solveDFS(startCell, endCell);
        System.out.println("\nSolved Maze with Path: \n");
        viewer.printMazeWithPath(correctPath, startCell, endCell);

        scannerInput.close();
    }
}