letter.java

用java编写的小游戏 支持多用户 支持网络

package srabblet;

import java.awt.*;

public class Letter {
	static int w, h;

	private static Font font, smfont;

	private static int y0, ys0;

	private static int lasth = -1;

	static final int NORMAL = 0;

	static final int DIM = 1;

	static final int BRIGHT = 2;

	private static Color colors[][] = { mix(250, 220, 100), mix(200, 150, 80),
			mix(255, 230, 150) };

	private static Color mix(int r, int g, int b)[] {
		Color arr[] = new Color[3];
		arr[NORMAL] = new Color(r, g, b);
		arr[DIM] = gain(arr[0], .71);
		arr[BRIGHT] = gain(arr[0], 1.31);
		return arr;
	}

	private static int clamp(double d) {
		return (d < 0) ? 0 : ((d > 255) ? 255 : (int) d);
	}

	private static Color gain(Color c, double f) {
		return new Color(clamp(c.getRed() * f), clamp(c.getGreen() * f),
				clamp(c.getBlue() * f));
	}

	private boolean valid = false;

	private Point tile = null;

	int x, y;

	private int x0;

	private int w0;

	private int xs0;

	private int ws0;

	private int gap = 1;

	private String symbol;

	private int points;

	public Letter(char s, int p) {
		symbol = "" + s;
		points = p;
	}

	public String getSymbol() {
		return symbol;
	}

	public int getPoints() {
		return points;
	}

	public void move(int x, int y) {
		this.x = x;
		this.y = y;
	}

	public void remember(Point t) {
		if (t == null) {
			tile = t;
		} else {
			tile = new Point(t.x, t.y);
		}
	}

	public Point recall() {
		return tile;
	}

	public static void resize(int w0, int h0) {
		w = w0;
		h = h0;
	}

	public boolean hit(int xp, int yp) {
		return (xp >= x && xp < x + w && yp >= y && yp < y + h);
	}

	private int font_ascent;

	void validate(Graphics g) {
		FontMetrics fm;
		if (h != lasth) {
			font = new Font("SansSerif", Font.BOLD, (int) (h * .6));
			g.setFont(font);
			fm = g.getFontMetrics();
			font_ascent = fm.getAscent();
			y0 = (h - font_ascent) * 4 / 10 + font_ascent;
			smfont = new Font("SansSerif", Font.BOLD, (int) (h * .3));
			g.setFont(smfont);
			fm = g.getFontMetrics();
			ys0 = y0 + fm.getAscent() / 2;
			lasth = h;
		}
		if (!valid) {
			valid = true;
			g.setFont(font);
			fm = g.getFontMetrics();
			w0 = fm.stringWidth(symbol);
			g.setFont(smfont);
			fm = g.getFontMetrics();
			ws0 = fm.stringWidth("" + points);
			int slop = w - (w0 + gap + ws0);
			x0 = slop / 2;
			if (x0 < 1)
				x0 = 1;
			xs0 = x0 + w0 + gap;
			if (points > 9)
				xs0--;
		}
	}

	public void paint(Graphics g, int i) {
		Color c[] = colors[i];
		validate(g);
		g.setColor(c[NORMAL]);
		g.setColor(c[BRIGHT]);
		g.fillRect(x, y, w - 1, 1);
		g.fillRect(x, y + 1, 1, h - 2);
		g.setColor(Color.black);
		g.fillRect(x, y + h - 1, w, 1);
		g.fillRect(x + w - 1, y, 1, h - 1);
		g.setColor(c[DIM]);
		g.fillRect(x + 1, y + h - 2, w - 2, 1);
		g.fillRect(x + w - 2, y + 1, 1, h - 3);
		g.setColor(Color.black);
		if (points > 0) {
			g.setFont(font);
			g.drawString(symbol, x + x0, y + y0);
			g.setFont(smfont);
			g.drawString("" + points, x + xs0, y + ys0);
		}
	}
}