package jp.eclipse;

import java.util.Random;
import android.os.Bundle;
import android.os.Handler;
import android.annotation.SuppressLint;
import android.app.Activity;
import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.view.MotionEvent;
import android.view.View;
import android.view.Window;
import android.view.WindowManager;
import android.widget.LinearLayout;

@SuppressLint("DrawAllocation")
public class MainActivity extends Activity implements Runnable{
	final static int NumX = 40;
	final static int NumY = 40;
	final static int DELAY =100;
    LifeView lv; Handler hn;
    boolean [][][] Dtab =new boolean[2][NumY+2][NumX+2];
    int curP, nxtP;
    Random rn=new Random();
    Paint p1 =new Paint();
	Paint p2 =new Paint();
	Paint p3 =new Paint();
	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		getWindow().addFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN);
		requestWindowFeature(Window.FEATURE_NO_TITLE);
		LinearLayout LL=new LinearLayout(this);		
		setContentView(LL);
		lv=new LifeView(this); LL.addView(lv);
		p1.setColor(Color.YELLOW); p1.setStyle(Paint.Style.FILL  );
		p2.setColor(Color.RED   ); p2.setStyle(Paint.Style.FILL  );
		p3.setColor(Color.BLACK ); p3.setStyle(Paint.Style.STROKE);
		initialize();
		hn =new Handler(); hn.postDelayed(this,DELAY);
	
	}
     public void initialize(){
    	curP=0;nxtP=1-curP;
    	int NX=NumX+1;int NY=NumY+1;
    	for(int i=0;i<=NX;i++)
    		Dtab[curP][0][i]=Dtab[curP][NY][i]=Dtab[nxtP][0][i]=Dtab[nxtP][NY][i]=false;
    	for(int i=0;i<=NY;i++)
    		Dtab[curP][i][0]=Dtab[curP][i][NX]=Dtab[nxtP][i][0]=Dtab[nxtP][i][NY]=false;
    	for(int j=1;j<=NumX;j++) for(int i=1;i<=NumY;i++){
    		Dtab[curP][i][j]=(rn.nextInt(2)==1? true: false);
    		Dtab[nxtP][i][j]=false;
    	}
    }
	
	@Override
	public void run() {
		// TODO 自動生成されたメソッド・スタブ
		game();
		lv.invalidate();
		hn.postDelayed(this, DELAY);
	}
	public void onDestroy(){
		super.onDestroy();
		hn.removeCallbacks(this);
	}
	public void game(){
		int bj,aj, bi, ai, count;nxtP=1-curP;
		for(int j=1;j<=NumX;j++){
			bj=j-1; aj=j+1;
			for(int i=1; i<=NumY; i++){
				bi=i -1; ai=i+1; count=0;
				for(int ii=bi;ii<=ai;ii++)for(int jj=bj;jj<=aj;jj++)
					if((ii!=i || jj!=j) && (Dtab[curP][ii][jj])) count++;
				if(Dtab[curP][i][j]){//周りの個数による生き死に　
					if(count==2 || count==3) Dtab[nxtP][i][j]=true;else Dtab[nxtP][i][j]=false;
				}else if(count==3) Dtab[nxtP][i][j]=true;else Dtab[nxtP][i][j]=false;
			}
		}
		curP=nxtP;
	}
	class LifeView extends View{
		public LifeView(Context cn)	{
			super(cn);
		}
		public boolean onTouchEvent(MotionEvent e){
			initialize();
			return true;
		}	
		protected void onDraw(Canvas cs){
			super.onDraw(cs);
			for(int i=1;i<=NumY;i++){
				float y1=i*10;float y2=y1+10;
				for(int j=1;j<=NumX;j++){
					float x1=j*10; float x2=x1+10;
					if(Dtab[curP][i][j]) cs.drawRect(x1, y1,x2,y2, p2);
					else           		 cs.drawRect(x1, y1,x2,y2, p1);
					cs.drawRect(x1, y1,x2,y2, p3);
				}
			}
		}
		
	}
	

}