PIbd-21_KozyrevSS_GasolineTanker_Hard/DrawTanker.java

import java.awt.*;

public class DrawTanker {
    protected BaseTanker GasolineTanker;
    public BaseTanker GetGasolineTanker() {return GasolineTanker;}
    private IWheelDraw wheelsDrawing;
    protected int _pictureWidth;
    protected int _pictureHeight;
    protected int _startPosX;
    protected int _startPosY;
    protected final int _carWidth = 110;
    protected final int _carHeight = 120;
    public int GetPosX() {return _startPosX;}
    public int GetPosY() {return _startPosY;}
    public int GetWidth() {return _carWidth;}
    public int GetHeight() {return _carHeight;}

    public boolean CanMove(Direction direction)
    {
        if (GasolineTanker == null)
            return false;
        switch (direction)
        {
            case Left -> {
                return _startPosX - GasolineTanker.Step > 0; }
            case Up -> {
                return _startPosY - GasolineTanker.Step > 0; }
            case Right -> {
                return _startPosX + _carWidth + GasolineTanker.Step < _pictureWidth; }
            case Down -> {
                return _startPosY + _carHeight + GasolineTanker.Step < _pictureHeight; }
            default -> {
                return false; }

        }
    }
    public DrawTanker(int speed, double weight, Color bodyColor, int width, int height, int wheelCount, int wheelMode)
    {
        _pictureHeight = height;
        _pictureWidth = width;
        GasolineTanker = new BaseTanker(speed, weight, bodyColor);
        int mode = wheelMode % 3;
        switch (mode)
        {
            case 0 -> {wheelsDrawing = new DrawWheelCircle();}
            case 1 -> {wheelsDrawing = new DrawWheelSquare();}
            case 2 -> {wheelsDrawing = new DrawWheelClassic();}
        }
        wheelsDrawing.setWheelCount(wheelCount);
    }

    public DrawTanker(BaseTanker tanker, int width, int height, IWheelDraw wheels)
    {
        GasolineTanker = tanker;
        _pictureHeight = height;
        _pictureWidth = width;
        wheelsDrawing = wheels;
    }

    public void SetPosition(int x, int y)
    {
        _startPosX = x;
        _startPosY = y;
    }

    public void MoveTransport(Direction direction)
    {
        if (!CanMove(direction) || GasolineTanker == null)
            return;
        switch (direction)
        {
            case Left:
            {
                _startPosX -= (int)GasolineTanker.Step;
            }
            break;
            case Up:
            {
                _startPosY -= (int)GasolineTanker.Step;
            }
            break;
            case Right:
            {
                _startPosX += (int)GasolineTanker.Step;
            }
            break;
            case Down:
            {
                _startPosY += (int)GasolineTanker.Step;

            }
            break;
        }
    }

    public void DrawTransport(Graphics g)
    {
        if (GasolineTanker == null)
            return;
        var g2d = (Graphics2D) g;
        g2d.setColor(GasolineTanker.getBodyColor());
        // Отрисовка корпуса
        g2d.fillRect(10 + _startPosX, 40 + _startPosY, 90, 20);
        g2d.fillRect(80 + _startPosX, 10 + _startPosY, 20, 40);
        // Отрисовка колесиков
        wheelsDrawing.DrawWheels(_startPosX, _startPosY, GasolineTanker.getBodyColor(), g2d);

    }

    public IMoveableObject GetMoveableObject() {return new DrawingObjectTanker(this);}
}