Tetris/scr/tetris/Block.java

package tetris;

public class Block {
    private final int type;
    private int x, y;
    private int[][] shape;
    private static final int[][][] SHAPES = {
            {{1, 1, 1, 1}}, {{1, 1}, {1, 1}}, {{1, 1, 1}, {0, 1, 0}},
            {{1, 1, 1}, {1, 0, 0}}, {{1, 1, 1}, {0, 0, 1}},
            {{0, 1, 1}, {1, 1, 0}}, {{1, 1, 0}, {0, 1, 1}}
    };

    public Block(int type) {
        this.type = type;
        this.shape = SHAPES[type];
        this.x = (type == 0) ? 3 : 4;
        this.y = 0;
    }

    public int getType() {
        return type;
    }

    public int getX() {
        return x;
    }

    public int getY() {
        return y;
    }

    public int[][] getShape() {
        return shape.clone();
    }

    public void moveLeft() {
        x--;
    }

    public void moveRight() {
        x++;
    }

    public void moveDown() {
        y++;
    }

    public void moveTo(int x, int y) {
        this.x = x;
        this.y = y;
    }

    public void rotate() {
        int[][] newShape = new int[shape[0].length][shape.length];
        for (int i = 0; i < shape.length; i++) {
            for (int j = 0; j < shape[0].length; j++) {
                newShape[j][shape.length - 1 - i] = shape[i][j];
            }
        }
        shape = newShape;
        adjustPositionAfterRotation();
    }

    private void adjustPositionAfterRotation() {
        int maxWidth = shape[0].length;
        x = Math.max(0, Math.min(x, 10 - maxWidth));
    }
}