import java.awt.Color;
import java.awt.Font;
import java.awt.Frame;
import java.awt.Graphics;
import java.awt.Image;
import java.awt.Panel;
import java.awt.p_w_picpath.BufferedImage;

import org.loon.framework.game.helper.ImageHelper;

/** *//**
* <p>
* Title: LoonFramework
* </p>
* <p>
* Description:JAVA实现对话逐字打印（由Loonframework提供）
* </p>
* <p>
* Copyright: Copyright (c) 2007
* </p>
* <p>
* Company: LoonFramework
* </p>
*
* @author chenpeng
* @email：[email]ceponline@yahoo.com.cn[/email]
* @version 0.1
*/

public final class WriterType extends Panel implements Runnable {
        // 最大对话数
        private int _MAX_COUNT = 10;

//间隔标记
        private char _flag='|';
        
        private Image _screen;

private Graphics _bg;

private Thread _L_WriterType;

private static Color _L_fClr;

private static Color _L_bClr;

private static String _M_Text[];

private int _S_COUNT;

private Font _L_TTF;

private int _L_Speed;

private int _L_Delay;

private String _C_Text[];

private static int _L_COUNT;

private static int _F_COUNT;
        
        private static int _T_COUNT;

private static int _N_Text;

private String _FontName;

private final static int _WIDTH = 500;

private final static int _HEIGHT = 375;

private static int _FontStyle;

private static int _FontSize;

private static    Image _back = null;

/** *//**
         *
         */
        private static final long serialVersionUID = 1L;

private boolean _isRun;

/** *//**
         * 析构函数,注入背景图,循环显示的文字数组,速度,延迟
         * @param img
         * @param strContent
         * @param speed
         * @param delay
         */
        public WriterType(Image img,String[] strContent, int speed, int delay) {
                init(img,strContent, speed, delay);
        }

private WriterType() {

}

public void init(Image img,String[] strContent, int speed, int delay) {
                //初始背景色
                setBackground(Color.BLACK);
                // 原始对话信息
                _M_Text = new String[_MAX_COUNT];
                // 缓存对话信息
                _C_Text = new String[_MAX_COUNT];

_back=img;
                _FontName = "宋体";

_FontStyle = 0;

_FontSize = 15;

_L_TTF = new Font(_FontName, _FontStyle, _FontSize);
                _L_bClr = Color.BLACK;
                _L_fClr = new Color(250, 250, 250);

int length = strContent.length;

// 循环次数
                _N_Text = strContent.length - 1;

// 直接copy String数组
                System.arraycopy(strContent, 0, _M_Text, 0, length);

//速度及延迟设定
                _L_Speed = speed;
                _L_Delay = delay;
                
                //缓存区域
                _screen = new BufferedImage(_WIDTH, _HEIGHT, 1);
                _bg = _screen.getGraphics();

//开启线程
                        _isRun = true;
                        _L_WriterType = new Thread(this);
                        _L_WriterType.start();
                
        }

/** *//**
         * 停止线程
         *
         */
        public void stop() {
                _S_COUNT = 0;
                _L_COUNT = 0;
                _F_COUNT = 0;
                if (_L_WriterType != null) {
                        _isRun = false;
                        _L_WriterType = null;
                }
        }

/** *//**
         * 绘制图形
         */
        public void paint(Graphics g) {
                _bg.setColor(_L_bClr);
                _bg.fillRect(0, 0, _WIDTH, _HEIGHT);
                _bg.setColor(_L_fClr);
                _bg.setFont(_L_TTF);
                _bg.drawImage(_back, 0, 0, this);
                for (int i = 0; i <= _L_COUNT; i++) {
                        //转换当前字体top位置
                        Double top = new Double((double) _FontSize
                                        * (3.0D + 2.0D * (double) i));
                        if (_C_Text[i] != null) {
                                _bg.drawString(_C_Text[i], 50, top.intValue());
                        }
                }

g.drawImage(_screen, 0, 0, this);
        }

/** *//**
         * 图形变更
         */
        public void update(Graphics g) {
                paint(g);
        }

/** *//**
         * 重新开始
         *
         */
        private void begin() {
                //清除所有缓存数据。
                for (int i = 0; i < _C_Text.length; i++) {
                        _C_Text[i] = null;
                }
                _F_COUNT = 0;
                _S_COUNT = 0;
                _L_COUNT = 0;
                _T_COUNT++;
                if (_T_COUNT > _N_Text) {
                        _T_COUNT = 0;
                }
                repaint();
        }

public void run() {
                while (_isRun) {
                        try {

//字符串累加
                                _S_COUNT++;
                                //当字符串完成整段对话时
                                if (_S_COUNT == _M_Text[_T_COUNT].length()) {
                                        _C_Text[_L_COUNT] = _M_Text[_T_COUNT].substring(_F_COUNT,
                                                        _S_COUNT);
                                        begin();
                                        Thread.sleep(_L_Delay);
                                        repaint();
                                }
                                //比对标识设定缓存对话
                                if (_M_Text[_T_COUNT].charAt(_S_COUNT) != _flag) {
                                        _C_Text[_L_COUNT] = _M_Text[_T_COUNT].substring(_F_COUNT,
                                                        _S_COUNT)
                                                        + "_";
                                } else {
                                        _C_Text[_L_COUNT] = _M_Text[_T_COUNT].substring(_F_COUNT,
                                                        _S_COUNT);
                                }
                                //用以分辨是否转化对话组时的不同延迟
                                boolean shortSleep;
                                //当'|'标识存在时执行
                                if (_M_Text[_T_COUNT].charAt(_S_COUNT) == _flag) {
                                        _L_COUNT++;
                                        _S_COUNT++;
                                        _F_COUNT = _S_COUNT;
                                        shortSleep = true;
                                } else {
                                        shortSleep = false;
                                }
                                //刷新
                                repaint();
                                //判断速度
                                if (!shortSleep) {
                                        Thread.sleep(_L_Speed);
                                } else {
                                        Thread.sleep(10 * _L_Speed);
                                }
                        } catch (InterruptedException e) {
                                stop();
                        }
                }
        }
        
        public int getMaxCount() {
                return _MAX_COUNT;
        }

public void setMaxCount(int max_count) {
                _MAX_COUNT = max_count;
        }

public static void main(String[] args) {
                String[] abracadabra = new String[] {
                                "身为剑体,|钢铁之血灼璃之心.|手创千剑,身经百战;|无一败绩,无一知己.|常一人自醉于剑丘之巅;|此生亦无任何意义;|故此身，定为无限剑成;|故此命，定为无限剑制.",
                                "I am the bone of my sword;|Steel is my body, and fire is my blood.|I have created over a thousand blades.|Have withstood pain to create many weapons.|Yet,those hands will never hold anything.|So as I pray, unlimited blade works." };
                Frame frm = new Frame();
                frm.setTitle("Java图形程序中的对话逐字显示(由Loonframework提供)");
                frm.setSize(_WIDTH, _HEIGHT + 20);
                frm.setResizable(false);
                frm.add(new WriterType(ImageHelper
                                .loadImage("d:/back.jpg", true),abracadabra,50,5000));
                frm.setVisible(true);
        }

}