lifesim.java

Autolife模型是一个能够进行“开放式进化”的人工生命系统。每个Agent模型采用可以变化规则表长度的有限自动机模型建模。一方面Agent可以进行自我繁殖

  }


  public boolean action(Event evt, Object o) {
    if(evt.target==btnConfig){
      Configer ctl=new Configer(this);
      ctl.setSize(400,300);
      ctl.show();
      haveSetup=true;
      return true;
    }else if(evt.target==btnStart){
      running=!running;
      if(!running){
			btnRestart.enable(true);
			btnStep.enable(true);
			btnConfig.enable(true);
			btnStart.setLabel("Continue");
      }else{
			btnRestart.enable(false);
			btnStep.enable(false);
			btnConfig.enable(false);
			btnStart.setLabel("Stop");
      }
      return true;
    }else if(evt.target==btnRestart){
    	boolean run=running;
    	running=false;
    	localwd.reinit();
    	canvas.repaint();
    	running=run;
    }else if(evt.target==btnStep){
      localwd.process();
      return true;
    }else if(evt.target==btnShow){
      CurveShow ctl=new CurveShow(this);
      ctl.setSize(500,400);
      ctl.show();
      return true;
    }else if(evt.target==choiceAgType){
    	localwd.agType=choiceAgType.getSelectedIndex();
    	if(localwd.agType==0&&localwd.FoodAddNum==0){
    		localwd.FoodAddNum=100;
			txtRanAdd.setText(Integer.toString(localwd.FoodAddNum));
    	}
    	if(localwd.agType==0){
			for(int i=0;i<localwd.agents.size();i++){
						agent ag=(agent)localwd.agents.elementAt(i);
						ag.outputNum=4;
						ag.ChangeRule();
			}
    	}else{
			for(int i=0;i<localwd.agents.size();i++){
						agent ag=(agent)localwd.agents.elementAt(i);
						ag.outputNum=5;
						//ag.ChangeRule();
			}
			if(!haveSetup){
				localwd.EatEnergy=100;
				localwd.maxAge=500;
				localwd.maxContaining=5000;
				localwd.turnEnergy=1;
				localwd.stepEnergy=2;
				localwd.normalEnergy=1;
			}
    	}
		slbAddFood.setValue(localwd.FoodAddNum);
    }else if(evt.target==choiceDrawType){
    	localwd.drawType=choiceDrawType.getSelectedIndex();
    } else if(evt.target==choiceObj){
      objSelect=choiceObj.getSelectedIndex();
      if(objSelect==2){
      	shapeType=0;
      	choiceShapeType.select(shapeType);
      	choiceShapeType.enable(false);
      }else{
		choiceShapeType.enable(true);
      }
    }else if(evt.target==choiceShapeType){
      shapeType=choiceShapeType.getSelectedIndex();
      if(shapeType==1){
      	objSelect=0;
      	choiceObj.select(objSelect);
      	choiceObj.enable(false);
      }else{
      	choiceObj.enable(true);
      }
    }else if(evt.target==choiceFill){
	      fillType=choiceFill.getSelectedIndex();
	      if(fillType==1){
	            shapeType=1;
	      		choiceShapeType.select(shapeType);
		  		objSelect=0;
		  		choiceObj.select(objSelect);
		  		choiceObj.enable(false);
	      }else{
	      	choiceObj.enable(true);
	      }
    }else if(evt.target==choiceLineWidth){
    	lineWidth=choiceLineWidth.getSelectedIndex()+1;
    }else if(evt.target==choiceDynEnv){
    	localwd.dynType=choiceDynEnv.getSelectedIndex();
    	if(!haveSetup&&localwd.agType==0){
			if(localwd.dynType>0){
				localwd.EatEnergy=1000;
				localwd.maxAge=5000;
				localwd.maxContaining=10000;
				localwd.turnEnergy=1;
				localwd.stepEnergy=4;
				localwd.normalEnergy=1;
			}else{
				localwd.EatEnergy=100;
				localwd.maxAge=500;
				localwd.maxContaining=5000;
				localwd.turnEnergy=1;
				localwd.stepEnergy=2;
				localwd.normalEnergy=1;
			}
    	}
    }
    else if(evt.target==btnSave){
      running=false;
     // dataBase.SaveAll(this,0);
      //running=true;
    }
    return false;
  }
  /**Get Applet information*/
  public String getAppletInfo() {
    return "Applet Information";
  }
  /**Get parameter info*/
  public String[][] getParameterInfo() {
    return null;
  }

  /**Main method*/
  public static void main(String[] args) {
    lifesim applet = new lifesim();
    applet.isStandalone = true;
    Frame frame;
    frame = new Frame() {
      protected void processWindowEvent(WindowEvent e) {
        super.processWindowEvent(e);
        if (e.getID() == WindowEvent.WINDOW_CLOSING) {
          System.exit(0);
        }
      }
      public synchronized void setTitle(String title) {
        super.setTitle(title);
        enableEvents(AWTEvent.WINDOW_EVENT_MASK);
      }
    };
    frame.setTitle("Applet Frame");
    frame.add(applet, BorderLayout.CENTER);
    applet.init();
    applet.start();
    frame.setSize(400,320);
    Dimension d = Toolkit.getDefaultToolkit().getScreenSize();
    frame.setLocation((d.width - frame.getSize().width) / 2, (d.height - frame.getSize().height) / 2);
    frame.setVisible(true);
  }
   void canvas_mousePressed(MouseEvent e) {
   		//if(!running)return;
		mousePressed=true;
		startPoint=new Point(e.getX(),e.getY());
		endPoint=new Point(startPoint);

   }

   void canvas_mouseReleased(MouseEvent e) {
   	
   		if(mousePressed){
   			if(objSelect==2){
	   			zoomView zv=new zoomView(this,startPoint,endPoint);
	   			zv.setSize(600,500);
	   			zv.show();
   			}
			Point pt1=new Point(startPoint);
			Point pt2=new Point(endPoint);
			  if(startPoint.x>endPoint.x){
				pt1.x=endPoint.x;
				pt2.x=startPoint.x;
			  }
			  if(startPoint.y>endPoint.y){
				pt1.y=endPoint.y;
				pt2.y=startPoint.y;
			  }
   			if(shapeType==0){
   				if(objSelect==0){
					localwd.DealWithSelected(pt1,pt2,null,3,1);
   				}else if(objSelect==1){
					localwd.DealWithSelected(pt1,pt2,null,0,1);
   				}
   			}
   			if(objSelect==0&&shapeType==1){
   					if(fillType==0){
						localwd.DealWithSelected(startPoint,endPoint,null,4,2);
   					}else if(fillType==1){
						localwd.DealWithSelected(startPoint,endPoint,null,4,gValue);
   					}
   			}
			//canvas.repaint();
   		}

   		startPoint=new Point(0,0);
   		endPoint=new Point(0,0);
		mousePressed=false;

   }

  void canvas_mouseDragged(MouseEvent e) {
		if(mousePressed&&e.getX()<localwd.width&&e.getY()<localwd.height&&e.getX()>=0&&e.getY()>=0){
			if(running){
				running=false;
				localwd.clearAgentsWorld();
				for(int i=0;i<localwd.agents.size();i++){
					agent ag=(agent)localwd.agents.elementAt(i);
					int xx=ag.x;int yy=ag.y;
					localwd.AgentsWorld[xx][yy]=1;
				}
			}
			//canvas.repaint();
			int i1=startPoint.x;
			int i2=endPoint.x;
			if(i1>i2){i1=endPoint.x;i2=startPoint.x;}
			int j1=startPoint.y;
			int j2=endPoint.y;
			Graphics g=canvas.getGraphics();
			if(j1>j2){
				j1=endPoint.y;j2=startPoint.y;
			}
			for(int i=i1;i<=i2;i++){
				for(int j=j1;j<=j2;j++){
					g.setColor(COLOR_BACK);
					if(localwd.WorldState[i][j]==1){
						g.setColor(COLOR_GRASS);
					}
					if(localwd.WorldState[i][j]==2){
						if(localwd.drawType==1){
							g.setColor(COLOR_SEED);
						}
					}
					if(localwd.AgentsWorld[i][j]==1){
						g.setColor(COLOR_LIFE);
					}
					g.fillRect(i,j,1,1);
				}
			}

			g.setColor(Color.white);
			endPoint=new Point(e.getX(),e.getY());
			int xx=startPoint.x;
			int yy=startPoint.y;
			if(xx>endPoint.x)xx=endPoint.x;
			if(yy>endPoint.y)yy=endPoint.y;
			switch(shapeType){
			case 0:
				g.drawRect(xx,yy,Math.abs(endPoint.x-startPoint.x),Math.abs(endPoint.y-startPoint.y));
				break;
			case 1:
				g.drawLine(startPoint.x,startPoint.y,endPoint.x,endPoint.y);
				break;
			case 2:
				g.drawOval(xx,yy,Math.abs(endPoint.x-startPoint.x),Math.abs(endPoint.y-startPoint.y));
				break;
			}


		}
  }


  void txtGValue_textValueChanged(TextEvent e) {
  		if(txtGValue.getText().equals(""))gValue=0;
  		else gValue=Double.valueOf(txtGValue.getText()).doubleValue();
  		slbGradiant.setValue((int)(gConstant*gValue));
  }
  public boolean handleEvent(Event evt)
	  {
		  switch (evt.id)
		  {
			  case Event.SCROLL_ABSOLUTE:
			  case Event.SCROLL_LINE_DOWN:
			  case Event.SCROLL_LINE_UP:
			  case Event.SCROLL_PAGE_DOWN:
			  case Event.SCROLL_PAGE_UP:
			  if(evt.target==slbGradiant){
				gValue=(float)(slbGradiant.getValue())/(float)gConstant;
				txtGValue.setText(Float.toString((float)(gValue)));
			  }else if(evt.target==slbAddFood){
			  	localwd.FoodAddNum=slbAddFood.getValue();
			  	txtRanAdd.setText(Integer.toString(localwd.FoodAddNum));
			  }

		  }
		  return(super.handleEvent(evt));
	  }
  void txtRanAdd_textValueChanged(TextEvent e) {
  	if(txtRanAdd.getText().equals(""))localwd.FoodAddNum=0;
  	else localwd.FoodAddNum=Integer.valueOf(txtRanAdd.getText()).intValue();
  	slbAddFood.setValue(localwd.FoodAddNum);
  }

}