import java.awt.*; 

class Tetromino {

  static final Tetromino SQUARE     = new Tetromino(new Point(0.5, -1.5), makeBlocks(new int[] {0, -1, 0, -2, 1, -1, 1, -2}, Color.GREEN  ));
  static final Tetromino LINE       = new Tetromino(new Point(0.5, -1.5), makeBlocks(new int[] {0, -1, 1, -1, 2, -1, 3, -1}, Color.BLUE   ));
  static final Tetromino L          = new Tetromino(new Point(0.5, -1.5), makeBlocks(new int[] {0, -1, 1, -1, 2, -1, 2, -2}, Color.MAGENTA ));
  static final Tetromino MIRRORED_L = new Tetromino(new Point(0.5, -1.5), makeBlocks(new int[] {0, -1, 1, -1, 2, -1, 0, -2}, Color.CYAN   ));
  static final Tetromino T          = new Tetromino(new Point(0.5, -1.5), makeBlocks(new int[] {0, -1, 1, -1, 2, -1, 1, -2}, Color.ORANGE ));
  static final Tetromino S          = new Tetromino(new Point(0.5, -1.5), makeBlocks(new int[] {0, -1, 1, -1, 1, -2, 2, -2}, Color.RED    ));
  static final Tetromino Z          = new Tetromino(new Point(0.5, -1.5), makeBlocks(new int[] {0, -2, 1, -2, 1, -1, 2, -1}, Color.PINK   ));
  
  static SetOfBlocks makeBlocks(int[] c, Color color) {
    SetOfBlocks a = new SetOfBlocks(); 
    a.add(new Block( c[0],  c[1], color)); 
    a.add(new Block( c[2],  c[3], color)); 
    a.add(new Block( c[4],  c[5], color)); 
    a.add(new Block( c[6],  c[7], color)); 
    return a;
  }
  Point center;
  SetOfBlocks blocks;
  Tetromino(Point center, SetOfBlocks blocks) {
    this.center = center; 
    this.blocks = blocks; 
  }
  void draw(Graphics g) {
    this.blocks.draw(g); 
  }
  int dx, dy;
  void move(int dx, int dy) {
    this.dx += dx;
    this.dy += dy; 
    this.center.move(dx, dy); 
    this.blocks.move(dx, dy); 
  }
}