PIbd-22_Tsukanova_I.V._AircraftCarrier_Hard/src/DrawingWarship.java

import java.awt.*;
import java.util.Random;
public class DrawingWarship {
    protected EntityWarship Warship;
    public EntityWarship GetWarship(){return Warship;}
    public DrawingBlocks Blocks;

    protected int _startPosX;
    protected int _startPosY;

    private Integer _pictureWidth = null;
    private Integer _pictureHeight = null;

    private int _warshipWidth = 114;
    private int _warshipHeight = 40;

    public DrawingWarship(int speed, float weight, Color bodyColor)
    {
        Warship = new EntityWarship(speed, weight, bodyColor);
        Blocks = new DrawingBlocks();
        Blocks.blockDirection = BlockRandom();
    }
    protected DrawingWarship(int speed, float weight, Color bodyColor, int warshipWidth, int warshipHeight)
    {
        this(speed, weight, bodyColor);
        _warshipWidth = warshipWidth;
        _warshipHeight = warshipHeight;
    }

    public void SetPosition(int x, int y, int width, int height)
    {
        if (width >= x + _warshipWidth && height >= y + _warshipHeight && x >= 0 && y >= 0)
        {
            _startPosX = x;
            _startPosY = y;
            _pictureWidth = width;
            _pictureHeight = height;
        }
    }

    public void MoveTransport(Direction direction)
    {
        if (_pictureWidth == null || _pictureHeight == null)
        {
            return;
        }
        switch (direction)
        {
            // вправо
            case Right:
                if (_startPosX + _warshipWidth + Warship.Step < _pictureWidth)
                {
                    _startPosX += Warship.Step;
                }
                break;
            //влево
            case Left:
                if(_startPosX - Warship.Step > 0)
                {
                    _startPosX -= Warship.Step;
                }
                break;
            //вверх
            case Up:
                if (_startPosY - Warship.Step > 0)
                {
                    _startPosY -= Warship.Step;
                }
                break;
            //вниз
            case Down:
                if (_startPosY + _warshipHeight + Warship.Step < _pictureHeight)
                {
                    _startPosY += Warship.Step;
                }
                break;
        }
    }

    public  void DrawTransport(Graphics2D g2){
        if (_startPosX < 0 || _startPosY < 0 || _pictureHeight == null || _pictureWidth == null)
        {
            return;
        }
        //главная палуба
        int[] pointXWarship = {_startPosX + 4, _startPosX + 94, _startPosX + 114, _startPosX + 94, _startPosX + 4};
        int[] pointYWarship = {_startPosY, _startPosY, _startPosY + 20, _startPosY + 40, _startPosY + 40};
        g2.setColor(Warship.GetBodyColor());
        g2.fillPolygon(pointXWarship, pointYWarship, 5);
        g2.setColor(Color.BLACK);
        g2.drawPolygon(pointXWarship, pointYWarship, 5);

        //мачта
        g2.setColor(Color.WHITE);
        g2.fillOval(_startPosX + 80, _startPosY + 13, 15, 15);
        //границы мачты
        g2.setColor(Color.BLACK);
        g2.drawOval( _startPosX + 80, _startPosY + 13, 15, 15);

        //палуба
        g2.setColor(Color.WHITE);
        g2.fillRect(_startPosX + 70, _startPosY + 10, 8, 18);
        g2.fillRect(_startPosX + 55, _startPosY + 15, 15, 8);
        //границы палубы
        g2.setColor(Color.BLACK);
        g2.drawRect(_startPosX + 70, _startPosY + 10, 8, 18);
        g2.drawRect(_startPosX + 55, _startPosY + 15, 15, 8);

        //двигатели
        g2.fillRect(_startPosX, _startPosY + 5, 4, 10);
        g2.fillRect(_startPosX, _startPosY + 23, 4, 10);

        //блоки
        Blocks.DrawBlocks(g2,_startPosX, _startPosY);
    }

    public BlockDirection BlockRandom(){
        Random rand = new Random();
        int resRand = rand.nextInt(3);
        if(resRand == 0) return BlockDirection.TwoBlocks;
        if(resRand == 1) return BlockDirection.FourBlocks;
        if(resRand == 2) return BlockDirection.SixBlocks;
        return null;
    }

    public void ChangeBorders(int width, int height)
    {
        _pictureWidth = width;
        _pictureHeight = height;
        if (_pictureWidth <= _warshipWidth || _pictureHeight <= _warshipHeight)
        {
            _pictureWidth = null;
            _pictureHeight = null;
            return;
        }
        if (_startPosX + _warshipWidth > _pictureWidth)
        {
            _startPosX = _pictureWidth - _warshipWidth;
        }
        if (_startPosY + _warshipHeight > _pictureHeight)
        {
            _startPosY = _pictureHeight - _warshipHeight;
        }
    }

    public float[] GetCurrentPosition(){
        float[] pos = new float[4];
        pos[0] = _startPosX;
        pos[1] =_startPosY;
        pos[2] = _startPosX + _warshipWidth;
        pos[3] = _startPosY + _warshipHeight;
        return pos;
    }
}