canvas1.java

《神州》RPG游戏引擎

import java.util.*;

import javax.microedition.lcdui.*;
import javax.microedition.lcdui.game.*;

//import com.nokia.mid.ui.FullCanvas;

public class Canvas1 extends GameCanvas implements Runnable
{
    private Display disp;
    private Displayable last;

    Graphics g;
    boolean isPlay;
    int delay;
    int width;
    int height;
    boolean isDrawing;
    boolean isLoading;

    //public static Vector allCollisionVC;

    static int groundWidth;
    static int groundHeight;
    LayerManager backLayer,frontLayer,npcLayer,fixLayer;
    RoleLayer roleLayer;

    int windowX,windowY; //可见视窗左上角坐标

    int runStatus;
    int shopStatus;
    int itemStatus;
    int equipStatus;
    int sysMenuCmdStatus, cmdListStatus;

    static final int STATUS_WALK=1;
    static final int STATUS_CHAT=2;
    static final int STATUS_SHOWMENU=3;
    static final int STATUS_SHOWSTATUS=4;
    static final int STATUS_SHOWITEM=5;
    static final int STATUS_SHOWEQUIP=6;
    static final int STATUS_SHOWSKILL=7;
    static final int STATUS_SHOWSYSTEM=8;    
    static final int STATUS_SHOPING = 9;
    static final int STATUS_SHOWMISSION=10;

    static final int ITEMSTATUS_NORMAL=0;
    static final int ITEMSTATUS_COMMAND=1;

    static final int EQUIPSTATUS_NORMAL=0;
    static final int EQUIPSTATUS_COMMAND=1;

    static final int SHOPSTATUS_CONFIRM = 0;
    static final int SHOPSTATUS_NORMAL = 1;

    static final int SYSTEM_CMDMENU_OPENING = 0;
    static final int SYSTEM_CMDMENU_CLOSED = 1;

    static final int SYSTEM_CMDLIST_OPENING = 0;
    static final int SYSTEM_CMDLIST_CLOSED = 1;
    
    static final int LEFT_PRESSED=0x0004;
    static final int RIGHT_PRESSED=0x0020;
    static final int UP_PRESSED=0x0002;
    static final int DOWN_PRESSED=0x0040;
    

    MsgBoard msgBoard;
    
    Command pauseCommand,startCommand;
    NPCFactory npcFactory;
    EnemyFactory enemyFactory;
    MySprite chatSprite;
    boolean inChatArea;
    boolean inBattle;
    BattleCanvas battleCanvas;
    GameMenu gameMenu;
    Shoping shoping;
    SystemMenu sysMenu;
    MatCommand sysMenuCmd;
    MissionTab missionTab;
    public static int shopBtnCursor = 0;   //0 is OK Button，1 is Cancel Button
    MatCommand matCommand;
    MyAlert myAlert;
    Controller controller;
    FaceShower faceShower;
    int faceIndex;

    
    public Canvas1(String title,Display disp,Displayable last)
    {
        super(false);
        this.disp = disp;
        this.last = last;
        this.setFullScreenMode(true);
        
        
    }
    public void init()
    {
        this.g = getGraphics();
        delay = 1000/60;
        width = this.getWidth();
        height = this.getHeight();       
        
        
        if(width>=176)
        {
            if(height<208)
            {
                height=208;
            }
        }
        
        gameMenu = new GameMenu(this);
        controller = new Controller(this);
        faceShower = new FaceShower(g);
        faceIndex = -1;
        sysMenu = new SystemMenu(this);

        loadScene();  //载入场景


        System.out.println("初始化完成");

    }
    LoadBar loadBar;
    public void  loadScene()
    {        
        isLoading=true;
        //显示进度条
        
        loadBar=new LoadBar(disp,this);
        loadBar.start();
        disp.setCurrent(loadBar);
        
        Loader loader=new Loader();
        loader.start();
        
    }
    private void doLoadScene()
    {        
        GameMIDlet.midlet.stopSound();
        System.out.println("载入场景");
        
        keyStates=0;

        for(int i=0;backLayer!=null && i<backLayer.getSize();i++)
        {
            backLayer.remove(backLayer.getLayerAt(i));
        }
        for(int i=0;frontLayer!=null && i<frontLayer.getSize();i++)
        {
            frontLayer.remove(frontLayer.getLayerAt(i));
        }
        for(int i=0;roleLayer!=null && i<roleLayer.getSize();i++)
        {
            roleLayer.remove(roleLayer.getLayerAt(i));
        }

        if(npcFactory!=null)
            npcFactory.removeAll();
        if(enemyFactory!=null)
            enemyFactory.removeAll();

        backLayer=null;
        frontLayer=null;
        roleLayer=null;
        npcFactory=null;
        enemyFactory=null;
        System.gc();

          inChatArea=false;

          isDrawing=false;

          groundWidth=SceneLib.scenes[SceneLib.currentSceneIndex].getGroundWidth();
          groundHeight=SceneLib.scenes[SceneLib.currentSceneIndex].getGroundHeight();

          windowX=0;
          windowY=0;


          runStatus=Canvas1.STATUS_WALK;
          
          if(loadBar!=null)loadBar.percent=10;

          if(GameMIDlet.mainRole==null)
          {
              Image playerImg = Tools.getImage("/role/player.png");
              //System.out.println("mainRole=new MainRole()");
              GameMIDlet.mainRole=new MainRole(playerImg,24,32); //创建主角对象
              GameMIDlet.mainRole.setMaxLife(500);
              GameMIDlet.mainRole.setLife(GameMIDlet.mainRole.getMaxLife());
              GameMIDlet.mainRole.setMaxMagic(100);
              GameMIDlet.mainRole.setMagic(GameMIDlet.mainRole.getMaxMagic());
              GameMIDlet.mainRole.setLv(1);
              GameMIDlet.mainRole.setPower(15);
              GameMIDlet.mainRole.setDefence(15);
              GameMIDlet.mainRole.setActSpeed(5);
              GameMIDlet.mainRole.setExp(0);
              GameMIDlet.mainRole.setNextExp(100);
              GameMIDlet.mainRole.setMoney(500);
                          
              
              
              Skill skill;
              for(int i=0;i<SkillLib.skills.length-1;i++)
              {
                  skill = SkillLib.getSkillByIndex(i);
                  if(skill != null)
                      GameMIDlet.mainRole.addSkill(skill);
              }              

          }
          else
          {
              GameMIDlet.mainRole.init();
          }
          if(loadBar!=null)loadBar.percent=20;

          //设置主角是否遇雷
          GameMIDlet.mainRole.setCanTouchMine(SceneLib.scenes[SceneLib.currentSceneIndex].isHaveMine());

          if(GameMIDlet.mainRole.isCanTouchMine())
          {
          MyRandom myRandom=new MyRandom();
          myRandom.setMinInt(-30);
          myRandom.setMinInt(50);
          GameMIDlet.mainRole.setMineTimeCounter(SceneLib.scenes[SceneLib.currentSceneIndex].getMineTimerCounter()+myRandom.nextInt());
          }


          //回村自动加满血
          if(SceneLib.currentSceneIndex==0)
          {
              GameMIDlet.mainRole.setLife(GameMIDlet.mainRole.getMaxLife());
              GameMIDlet.mainRole.setMagic(GameMIDlet.mainRole.getTotalMagic());
          }

          System.out.println("主角创建结束");
          
          if(loadBar!=null)loadBar.percent=30;

          ChatSprites.clearAll();  //对话对象清空

          System.out.println("对话对象清空结束");


          SceneCreator sceneCreator=new SceneCreator();
          backLayer=sceneCreator.getBackLayer();  //取得背景层

          System.out.println("取得背景层");
          
          if(loadBar!=null)loadBar.percent=40;
          
          BlockLib.removeAll();
          BlockLib.addBlockVC(sceneCreator.getCollisionVC());
          

          System.out.println("加入障碍物");
          
          if(loadBar!=null)loadBar.percent=50;

          frontLayer=sceneCreator.getFrontLayer();  //取得前景层

          System.out.println("取得前景层");
          
          if(loadBar!=null)loadBar.percent=60;

          //fixLayer=new FixLayer(this);  //创建固定层


          //创建角色层roleLayer（将置入主角、NPC、敌人）
          roleLayer = new RoleLayer();
          //加入主角
          roleLayer.addSprite(GameMIDlet.mainRole);

          if(loadBar!=null)loadBar.percent=70;
          //加入NPC
          
          npcFactory=new NPCFactory();
          for(int i=0;npcFactory.getSpriteVC()!=null && i<npcFactory.getSpriteVC().size();i++)
          {
              roleLayer.addSprite((MySprite)npcFactory.getSpriteVC().elementAt(i));
          }
          
          System.out.println("加入NPC");
          
          if(loadBar!=null)loadBar.percent=80;

          //加入敌人
          enemyFactory=new EnemyFactory();
          if(!GameMIDlet.isOutBattle)  //不是从战场回来的话生成新敌人
          {
              enemyFactory.init();  //生成敌人
              if(GameMIDlet.midlet.enemyVC==null)
                  GameMIDlet.midlet.enemyVC=new Vector();
              else
                  GameMIDlet.midlet.enemyVC.removeAllElements();
              
              for(int i=0;enemyFactory.getSpriteVC()!=null && i<enemyFactory.getSpriteVC().size();i++)
              {
                  roleLayer.addSprite((MySprite)enemyFactory.getSpriteVC().elementAt(i));
                  GameMIDlet.midlet.enemyVC.addElement((MySprite)enemyFactory.getSpriteVC().elementAt(i));
              }
          }
          else
          {
              for(int i=0;GameMIDlet.midlet.enemyVC!=null && i<GameMIDlet.midlet.enemyVC.size();i++)
              {
                  roleLayer.addSprite((MySprite)GameMIDlet.midlet.enemyVC.elementAt(i));                                    
                  enemyFactory.addSprite((MySprite)GameMIDlet.midlet.enemyVC.elementAt(i));
              }
          }
          System.out.println("加入敌人");
          
          if(loadBar!=null)loadBar.percent=90;
 

          //定位屏幕中心到主角
          locateWindow();          
          

          System.out.println("场景载入完成");
          System.gc();
          if(loadBar!=null)loadBar.percent=100;
          
          if(GameMIDlet.isOutBattle)
          {
              GameMIDlet.isOutBattle=false;
          }
          
          startGame();
          GameMIDlet.midlet.setMusic(SceneLib.currentSceneIndex);
          GameMIDlet.midlet.playSound();
          enemyFactory.startAutoMove();
          npcFactory.startAutoMove();
          isLoading=false;
    }

    boolean ThreadRunning;
    long t1;
    public void startGame()
    {
        isPlay = true;
        if(!ThreadRunning)
        {            
            t1=System.currentTimeMillis();
            runTimes=0;            
            (new Thread(this)).start();            
        }
    }
    public void stop()
    {
        isPlay=false;
    }

    public void drawFont()
    {
        
        g.setColor(0xFFFFFF);
        g.drawString("w:"+width+" h:"+height,1,height-11,Graphics.LEFT | Graphics.TOP);
        g.drawString("total memory:" + Runtime.getRuntime().totalMemory() + " byte",1,height-22,Graphics.LEFT | Graphics.TOP);
        g.drawString("free memory:" + Runtime.getRuntime().freeMemory() + " byte",1,height-34,Graphics.LEFT | Graphics.TOP);
        g.drawString("used memory:" + (Runtime.getRuntime().totalMemory() - Runtime.getRuntime().freeMemory()) + " byte",1,height-46,Graphics.LEFT | Graphics.TOP);
        //g.drawString("AlphaLevels:" + disp.numAlphaLevels(),1,height-48,Graphics.LEFT | Graphics.TOP);
        
        //g.drawString("playerX:"+mainRole.getX()+" playerY:"+mainRole.getY(),2,15,Graphics.LEFT | Graphics.TOP);

        //g.drawString("walking:"+walking,1,60,Graphics.LEFT | Graphics.TOP);
        
        g.setColor(0x000000);
        g.drawString("w:"+width+" h:"+height,0,height-0,Graphics.LEFT | Graphics.TOP);
        g.drawString("total memory:" + Runtime.getRuntime().totalMemory() + " byte",0,1,Graphics.LEFT | Graphics.TOP);
        g.drawString("free memory:" + Runtime.getRuntime().freeMemory() + " byte",0,13,Graphics.LEFT | Graphics.TOP);
        g.drawString("used memory:" + (Runtime.getRuntime().totalMemory() - Runtime.getRuntime().freeMemory()) + " byte",0,25,Graphics.LEFT | Graphics.TOP);
        //g.drawString("AlphaLevels:" + disp.numAlphaLevels(),0,height-47,Graphics.LEFT | Graphics.TOP);
        
        //g.drawString("playerX:"+mainRole.getX()+" playerY:"+mainRole.getY(),1,14,Graphics.LEFT | Graphics.TOP);

        //g.drawString("walking:"+walking,0,59,Graphics.LEFT | Graphics.TOP);



    }
    public void locateWindow()
    {
        windowX=GameMIDlet.mainRole.getX()-width/2;
        windowY=GameMIDlet.mainRole.getY()-height/2;

        if(windowX<0)
            windowX=0;
        if(windowY<0)
            windowY=0;
        if(windowX>groundWidth-width)
        {
            windowX=groundWidth-width;
        }
        if(windowY>groundHeight-height)
        {
            windowY=groundHeight-height;
        }
        if(roleLayer!=null)
            roleLayer.setViewWindow(windowX,windowY,width,height);
        if(backLayer!=null)
            backLayer.setViewWindow(windowX,windowY,width,height);
        if(frontLayer!=null)
            frontLayer.setViewWindow(windowX,windowY,width,height);

    }
    public void scrollWindow()
    {
        locateWindow();
        /*
        int centerX=windowX+width/2;
        int centerY=windowY+height/2;
        if(centerX<mainRole.getPlayer().getX()-3)
        {
            windowX=windowX+3;
        }
        if(centerX>mainRole.getPlayer().getX()+3)
        {
            windowX=windowX-3;
        }
        if(centerY<mainRole.getPlayer().getY()-3)
        {
            windowY=windowY+3;
        }
        if(centerY>mainRole.getPlayer().getY()+3)
        {
            windowY=windowY-3;
        }
        if(windowX<0)windowX=0;
        if(windowY<0)windowY=0;
        if(windowX>groundWidth-width)
        {
            windowX=groundWidth-width;
        }
        if(windowY>groundHeight-height)
        {
            windowY=groundHeight-height;
        }
        roleLayer.setViewWindow(windowX,windowY,width,height);
        sceneLayer.setViewWindow(windowX,windowY,width,height);
        frontLayer.setViewWindow(windowX,windowY,width,height);
        npcLayer.setViewWindow(windowX,windowY,width,height);
        */
    }
    
    int runTimes;
   
    public void run()
    {
            ThreadRunning=true;
            while(isPlay)
            {
                input();
                redrawAll();