dialogue.java

J2ME斜45度游戏引擎

package isoj2me;

/**
 * <p>isoj2me: Character</p>
 * <p>Copyright: Copyright (c) 2005</p>
 * <p>License: Lesser GPL (http://www.gnu.org)</p>
 * <p>Company: <a href=http://www.mondonerd.com target="_blank">Mondonerd.com</a></p>
 * @author Massimo Maria Avvisati
 * @version 0.5b
 */

import javax.microedition.lcdui.*;
import java.util.*;

public class Dialogue {
	public String characterName = "";

	public String phrase = "";

	public int xPortrait, yPortrait;

	public int xText, yText, widthText, heightText;

	public String background = null;

	public int color = 0x000000;

	public int bgColor = 0xffffff;

	private boolean coordsSpecification = false;

	public boolean border = false;

	public Dialogue(String characterName, String phrase) {
		this.characterName = characterName;
		this.phrase = phrase;
	}

	public Dialogue(String characterName, String phrase, int xText, int yText,
			int widthText, int heightText, int xPortrait, int yPortrait,
			int bgColor, int color, String background, boolean border) {
		this.characterName = characterName;
		this.phrase = phrase;
		this.color = color;
		this.bgColor = bgColor;
		this.background = background;
		this.xText = xText;
		this.yText = yText;
		this.xPortrait = xPortrait;
		this.yPortrait = yPortrait;
		this.widthText = widthText;
		this.heightText = heightText;
		this.coordsSpecification = true;
		this.border = border;
	}

	public void draw(Graphics g, Hashtable cueImages) {
		if (background != null) {
			g.drawImage(Utility.loadImage(background, cueImages), 0, 0,
					Graphics.TOP | Graphics.LEFT);

		} else {
			g.setColor(bgColor);
			g.fillRect(0, 0, g.getClipWidth(), g.getClipHeight());
		}

		if (coordsSpecification == false) {
			xPortrait = 0;
			yPortrait = 0;
			xText = 3;
			yText = Utility.loadImage(characterName, cueImages).getHeight();
			widthText = g.getClipWidth() - 6;
			heightText = g.getClipHeight()
					- Utility.loadImage(characterName, cueImages).getHeight();
			border = true;

		}
		g.drawImage(Utility.loadImage(characterName, cueImages), xPortrait,
				yPortrait, Graphics.TOP | Graphics.LEFT);
		g.setColor(color);

		paintMessage(g, phrase, cueImages);
		if (border) {
			g.setColor(color);
			g.drawRect(xText - 2, yText - 2, widthText + 3, heightText + 3);
		}

	}

	private Vector tokenizeString(String s, String separator) {
		Vector list = new Vector();
		StringBuffer tempString = new StringBuffer();
		for (int i = 0; i < s.length(); i++) {

			if (s.charAt(i) != separator.charAt(0)) {
				tempString.append(s.charAt(i));
			} else {
				tempString.append(s.charAt(i));
				String newString = tempString.toString();
				list.addElement(newString);
				tempString.delete(0, tempString.length());
			}

		}
		String newString = tempString.toString();
		list.addElement(newString);

		return list;

	}

	private Vector divideString(String s, int width, Font f) {
		Vector list = new Vector();
		StringBuffer tempString = new StringBuffer("");
		if (f.stringWidth(s) < width) {
			list.addElement(s);
			return list;
		}

		Vector words = tokenizeString(s, " ");

		for (int i = 0; i < words.size(); i++) {

			if (f.stringWidth(tempString.toString() + words.elementAt(i)) < width) {
				tempString.append((String) words.elementAt(i));
			} else {

				String newString = tempString.toString();
				list.addElement(newString);
				tempString.delete(0, tempString.length());
				tempString.append((String) words.elementAt(i));

			}

		}
		String newString = tempString.toString();
		list.addElement(newString);

		return list;
	}

	private void paintMessage(Graphics g, String message, Hashtable cueImages) {
		Vector list = divideString(message, g.getClipWidth(), g.getFont());
		int row = 0;
		int fontHeight = g.getFont().getHeight() + 1;

		for (int i = 0; i < list.size(); i++) {
			g.drawString(list.elementAt(i).toString(), xText, yText
					+ (i * fontHeight), Graphics.TOP | Graphics.LEFT);
		}

	}

}