package main;

import util.*;

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

public class Board 
extends Layer
{

  public Piece[] piece;
  Vector lines;
  int bgcolor;
  int screenW, screenH;
  int x, y;
  int w, h;
  Image[] blocks;
  int lineindex;

  public Board(int w, int h)
  {
    screenW = w; 
    screenH = h;
    this.w = 16;
    this.h = 16;
    bgcolor = 0x7fff;
    lines = new Vector();
  }

  public void addLine(int[] ai)
  {
    if(blocks == null)
    {
      Image im = null;
      try{
        im = Image.createImage("/res/tile.png");
      }catch(Exception e) {}
      blocks = UtilImg.getImages(im, 16, 16);
      w = ai[0]*16;
      h = ai[1]*16;
      return;
    }
    if(ai.length == 3)
    {
      bgcolor = (ai[0]<<16) | (ai[1]<<8) | ai[2];
      return;
    }
    int x=0, y = lineindex*16;
    Piece[] p = new Piece[ai.length];
    for(int i=0; i<ai.length; i++)
    {
      p[i] = new Piece(blocks[ai[i]], x, y, ai[i]);
      x+=16;
    }
    lines.addElement(p);
    lineindex++;
  }

  public void paint(Graphics g)
  {
    g.setColor(bgcolor);
    g.fillRect(0, 0, screenW, screenH);
    int size = lines.size();
    for(int i=0; i<size; i++)
    {
      Piece[] p = (Piece[]) lines.elementAt(i);
      if(p==null) continue;
      for(int j=0; j<p.length; j++)
      {
        Piece pie = p[j];
        if(pie.x+x < 0 || pie.x+x > screenW || pie.y+y<0 || pie.y+y>screenH) 
        {
          continue;
        }
        pie.paint(g, x, y);
      }
    }
  }

  public boolean is(int ix, int iy, int iw, int ih)
  {
    int ix1=ix+iw;
    int iy1=iy+ih;
    int size = lines.size();
    for(int i=0; i<size; i++)
    {
      Piece[] pie = (Piece[]) lines.elementAt(i);
      for(int j=0; j<pie.length; j++)
      {
        Piece p = pie[j];
        if(p==null) continue;
        int ix21 = p.x, ix22 = p.x+p.w;
        int iy21 = p.y, iy22 = p.y+p.h;
        if((ix < ix21) && (ix1 > ix21) && (((iy < iy21) && (iy1 > iy21)) || ((iy < iy22) && (iy1 > iy22))))
        {
          return true;
        }
        if((ix < ix22) && (ix1 > ix22) && (((iy < iy21) && (iy1 > iy21)) || ((iy < iy22) && (iy1 > iy22))))
        {
          return true;
        }
      }
    }
    return false;
  }

  public boolean is(Sprite s)
  {
    if(s==null) return false;
    return is(s.getX(), s.getY(), s.getWidth(), s.getHeight());
  }

  public int getWidth()
  {
    return w;
  }

  public int getHeight()
  {
    return h;
  }

}