PIbd-23_Bogdanov_D.S._Ship._Base/Ship/Ship/DrawingShip.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Ship
{
    public class DrawingShip
    {
        /// <summary>
        /// Класс-сущность
        /// </summary>
        public EntityShip Ship { protected set; get; }
        /// <summary>
        /// Левая координата отрисовки корабля
        /// </summary>
        protected float _startPosX;
        /// <summary>
        /// Верхняя кооридната отрисовки корабля
        /// </summary>
        protected float _startPosY;
        /// <summary>
        /// Ширина окна отрисовки
        /// </summary>
        private int? _pictureWidth = null;
        /// <summary>
        /// Высота окна отрисовки
        /// </summary>
        private int? _pictureHeight = null;
        /// <summary>
        /// Ширина отрисовки корабля
        /// </summary>
        private readonly int _shipWidth = 80;
        /// <summary>
        /// Высота отрисовки корабля
        /// </summary>
        private readonly int _shipHeight = 30;
        /// <summary>
        /// Инициализация свойств
        /// </summary>
        /// <param name="speed">Скорость</param>
        /// <param name="weight">Вес корабля</param>
        /// <param name="bodyColor">Цвет корпуса</param>
        public DrawingShip(int speed, float weight, Color bodyColor)
        {
            Ship = new EntityShip(speed, weight, bodyColor);
        }
        /// <summary>
        /// Инициализация свойств
        /// </summary>
        /// <param name="speed">Скорость</param>
        /// <param name="weight">Вес корабля</param>
        /// <param name="bodyColor">Цвет корпуса</param>
        /// <param name="carWidth">Ширина отрисовки корабля</param>
        /// <param name="carHeight">Высота отрисовки корабля</param>
        protected DrawingShip(int speed, float weight, Color bodyColor, int shipWidth, int shipHeight) : this(speed, weight, bodyColor)
        {
            _shipWidth = shipWidth;
            _shipHeight = shipHeight;
        }

        /// <summary>
        /// Установка позиции корабля
        /// </summary>
        /// <param name="x">Координата X</param>
        /// <param name="y">Координата Y</param>
        /// <param name="width">Ширина картинки</param>
        /// <param name="height">Высота картинки</param>
        public void SetPosition(int x, int y, int width, int height)
        {
            if (x < 0 || x + _shipWidth >= width)
            {
                return;
            }
            if (y < 0 || y + _shipHeight >= height)
            {
                return;
            }
            // TODO проверки
            _startPosX = x;
            _startPosY = y;
            _pictureWidth = width;
            _pictureHeight = height;
        }
        /// <summary>
        /// Изменение направления перемещения
        /// </summary>
        /// <param name="direction">Направление</param>
        public void MoveTransport(Direction direction)
        {
            if (!_pictureWidth.HasValue || !_pictureHeight.HasValue)
            {
                return;
            }
            switch (direction)
            {
                // вправо
                case Direction.Right:
                    if (_startPosX + _shipWidth + Ship.Step < _pictureWidth)
                    {
                        _startPosX += Ship.Step;
                    }
                    else _startPosX = (float)_pictureWidth - _shipWidth;
                    break;
                //влево
                case Direction.Left:
                    if (_startPosX - Ship.Step > 0)
                    {
                        _startPosX -= Ship.Step;
                    }
                    else _startPosX = 0;
                    break;
                //вверх
                case Direction.Up:
                    if (_startPosY - Ship.Step > 0)
                    {
                        _startPosY -= Ship.Step;
                    }
                    else _startPosY = 0;
                    break;
                //вниз
                case Direction.Down:
                    if (_startPosY + _shipHeight + Ship.Step < _pictureHeight)
                    {
                        _startPosY += Ship.Step;
                    }
                    else _startPosY = (float)_pictureHeight - _shipHeight;
                    break;
            }
        }
        /// <summary>
        /// Отрисовка автомобиля
        /// </summary>
        /// <param name="g"></param>
        public virtual void DrawTransport(Graphics g)
        {
            if (_startPosX < 0 || _startPosY < 0
            || !_pictureHeight.HasValue || !_pictureWidth.HasValue)
            {
                return;
            }
            //корпус
            Brush br = new SolidBrush(Ship?.BodyColor ?? Color.Black);
            Point[] points = {  new Point((int)_startPosX, (int)_startPosY + 10),
                                new Point((int)_startPosX + 80, (int)_startPosY + 10),
                                new Point((int)_startPosX + 70, (int)_startPosY + 30),
                                new Point((int)_startPosX + 10, (int)_startPosY + 30)
            };
            g.FillPolygon(br, points);

            //груз
            Pen pen = new(Color.Black);
            g.DrawRectangle(pen, (int)_startPosX + 20, (int)_startPosY, 50, 10);
        }
        /// <summary>
        /// Смена границ формы отрисовки
        /// </summary>
        /// <param name="width">Ширина картинки</param>
        /// <param name="height">Высота картинки</param>
        public void ChangeBorders(int width, int height)
        {
            _pictureWidth = width;
            _pictureHeight = height;
            if (_pictureWidth <= _shipWidth || _pictureHeight <= _shipHeight)
            {
                _pictureWidth = null;
                _pictureHeight = null;
                return;
            }
            if (_startPosX + _shipWidth > _pictureWidth)
            {
                _startPosX = _pictureWidth.Value - _shipWidth;
            }
            if (_startPosY + _shipHeight > _pictureHeight)
            {
                _startPosY = _pictureHeight.Value - _shipHeight;
            }
        }

        virtual public void SetColor(Color color)
        {
            Ship = new EntityShip(Ship.Speed, Ship.Weight, color);
        }

        public (float Left, float Right, float Top, float Bottom) GetCurrentPosition()
        {
            return (_startPosX, _startPosX + _shipWidth, _startPosY, _startPosY + _shipHeight);
        }

    }
}