package sjg.maze;import sjg.*;import sjg.animation.*;import java.awt.*;import java.awt.image.*;import java.util.*;/** * Maze * * @author Christian Hvid */public class Maze {    private int blockWidth = 32;    private int blockHeight = 32;    private Element maze[][];    private int width, height;    private String name;    public void setBlockSize(int blockWidth, int blockHeight) {	this.blockWidth = blockWidth;	this.blockHeight = blockHeight;    }    public int getWidth() {        return width * blockWidth;    }    public int getHeight() {        return height * blockHeight;    }    public Element getElement(int x, int y) {        return maze[x][y];    }    public void setElement(int x, int y, Element element) {        maze[x][y] = element;    }    public void draw(Graphics g, View view) {        for (int x = 0; x < width; x++)            for (int y = 0; y < height; y++)                maze[x][y].draw(g, view.worldToRealX(x * blockWidth), view.worldToRealY(y * blockHeight));    }    public boolean collidesWith(SJGSprite sprite) {        return (canMove(sprite, sprite.getX(), sprite.getY()) == false);    }    public int count(Element element) {        int result = 0;        for (int x = 0; x < width; x++)            for (int y = 0; y < height; y++)                if (element == maze[x][y]) result++;        return result;    }    public boolean canMove(SJGSprite sprite, double x1, double y1) {        double w = (double) sprite.getWidth();        double h = (double) sprite.getHeight();        double sx = x1 - w / 2;        double sy = y1 - h / 2;        for (int x = Math.max((int) Math.floor(sx / blockWidth), 0); x <= Math.min((int) Math.floor((sx + w - 1) / blockWidth), width - 1); x++)            for (int y = Math.max((int) Math.floor(sy / blockHeight), 0); y <= Math.min((int) Math.floor((sy + h - 1) / blockHeight), height - 1); y++)                if (maze[x][y].isSolid())                    return false;        return true;    }    public void touch(SJGSprite sprite) {        double w = (double) sprite.getWidth();        double h = (double) sprite.getHeight();        double sx = sprite.getX() - w / 2;        double sy = sprite.getY() - h / 2;        for (int x = Math.max((int) Math.floor(sx / blockWidth), 0); x <= Math.min((int) Math.floor((sx + w - 1) / blockWidth), width - 1); x++)            for (int y = Math.max((int) Math.floor(sy / blockHeight), 0); y <= Math.min((int) Math.floor((sy + h - 1) / blockHeight), height - 1); y++)                maze[x][y] = maze[x][y].touch(sprite, x * blockWidth, y * blockHeight);    }    public void init() {        width = 0;        for (int i = 0; i < d.length; i++) width = Math.max(width, d[i].length());        height = d.length;        maze = new Element[width][height];        for (int x = 0; x < width; x++)            for (int y = 0; y < height; y++)                maze[x][y] = elementFactory.getElement(d[y].charAt(x));    }    public String getName() {        return name;    }    private String d[];    private ElementFactory elementFactory;    public Maze(sjg.xml.Element element, ElementFactory ef) {        name = element.getAttribute("name").getValue();        int size = 0;        for (Enumeration e = element.elements("b"); e.hasMoreElements();) {            e.nextElement();            size++;        }        d = new String[size];        int i = 0;        for (Enumeration e = element.elements("b"); e.hasMoreElements();) {            d[i] = ((sjg.xml.Element) e.nextElement()).getAttribute("d").getValue();            i++;        }        elementFactory = ef;        init();    }}