Java2游戏编程_随书源代码

import java.io.*; import java.applet.*; import java.awt.*; import java.awt.geom.*; import java.awt.font.*; import java.awt.event.*; import java.net.*; import java.util.*; class BingoTile extends Object { protected Rectangle2D bounds; protected Point2D textOrigin; protected int value; protected boolean filled; protected Font font; public static Color fillColor; public BingoTile(Rectangle2D r, Font f) { bounds = r; value = 0; font = f; filled = false; textOrigin = null; } public void paint(Graphics2D g2d) { if(textOrigin == null) { // 获得Graphics2D 容器的FontRenderContext FontRenderContext frc = g2d.getFontRenderContext(); // 使用上面的FontRenderContext,获取消息和字体的布局 TextLayout layout = new TextLayout(""+value, font, frc); // 得到布局的边界 Rectangle2D fontBounds = layout.getBounds(); textOrigin = new Point2D.Double(bounds.getX() + bounds.getWidth()/2 - fontBounds.getWidth()/2, bounds.getY() + bounds.getHeight()/2 + fontBounds.getHeight()/2); } if(filled) { g2d.setPaint(fillColor); } else { g2d.setPaint(g2d.getBackground()); } g2d.fill(bounds); g2d.setPaint(Color.BLACK); g2d.draw(bounds); g2d.drawString(""+value, (int) textOrigin.getX(), (int) textOrigin.getY()); } public void setValue(int n) { value = n; } public int getValue() { return value; } public boolean contains(Point2D p) { return bounds.contains(p); } public void reset() { filled = false; textOrigin = null; } public void toggle() { filled = !filled; } } class BingoGrid extends Object { public static final double TILE_WIDTH = 50; public static final double TILE_HEIGHT = 50; protected Rectangle2D bounds; protected BingoTile[][] tiles; protected BingoTile dirty; public BingoGrid(Point2D upperLeft, Font font, Color fillColor) { bounds = new Rectangle2D.Double(upperLeft.getX(), upperLeft.getY(), 5*TILE_WIDTH, 5*TILE_HEIGHT); BingoTile.fillColor = fillColor; dirty = null; tiles = new BingoTile[5][5]; double x = 0; double y = bounds.getY(); Random random = new Random(); for(int i = 0; i < 5; i++) { x = bounds.getX(); for(int j = 0; j < 5; j++) { tiles[i][j] = new BingoTile(new Rectangle2D.Double(x, y, TILE_WIDTH, TILE_HEIGHT), font); x += TILE_WIDTH; } y += TILE_HEIGHT; } int value = 0; for(int i = 0; i < 5; i++) { for(int j = 0; j < 5; j++) { boolean unique = false; while(!unique) { unique = true; value = 1+i*15+random.nextInt(15); for(int k = 0; k < 5; k++) { if(tiles[k][i].getValue() == value) { unique = false; } } } //System.out.println("Setting " + j + " " + i); tiles[j][i].setValue(value); } } } public Rectangle2D getBounds() { return bounds; } public boolean contains(Point2D p) { if(! bounds.contains(p)) return false; for(int i = 0; i < 5; i++) { for(int j = 0; j < 5; j++) { if(tiles[i][j].contains(p)) { tiles[i][j].toggle(); dirty = tiles[i][j]; return true; } } } return false; } public void paintAll(Graphics2D g2d, Font font) { for(int i = 0; i < 5; i++) { for(int j = 0; j < 5; j++) { tiles[i][j].paint(g2d); } } } public void reset() { for(int i = 0; i < 5; i++) { for(int j = 0; j < 5; j++) { tiles[i][j].reset(); } } int value = 0; Random random = new Random(); for(int i = 0; i < 5; i++) { for(int j = 0; j < 5; j++) { boolean unique = false; while(!unique) { unique = true; value = 1+i*15+random.nextInt(15); for(int k = 0; k < 5; k++) { if(tiles[k][i].getValue() == value) { unique = false; } } } tiles[j][i].setValue(value); } } } public void updateDirty(Graphics2D g2d) { if(dirty != null) { dirty.paint(g2d); dirty = null; } } } public class BingoClient extends Applet implements ActionListener, MouseListener { protected MulticastConnection client; protected Font font; protected Font calledFont; protected BingoGrid grid; protected String currCall; protected String[] calledNumbers; protected final String BINGO = "BINGO"; protected Button bingo; public void init() { font = new Font("Helvetica", Font.PLAIN, 30); calledFont = new Font("Helvetica", Font.PLAIN, 16); grid = new BingoGrid(new Point2D.Double(50, 50), font, Color.ORANGE); addMouseListener(this); calledNumbers = new String[5]; for(int i = 0; i < 5; i++) { calledNumbers