PIbd-21_Anisin_R.S._DumpTruck._Base/DumpTruck/DrawingObjects/DrawingTruck.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using DumpTruck.Entities;
using DumpTruck.MovementStrategy;

namespace DumpTruck.DrawingObjects
{
    public class DrawingTruck
    {
        /// <summary>
		/// Класс-сущность
		/// </summary>
		public EntityTruck? EntityTruck { get; protected set; }
        /// <summary>
        /// Ширина окна
        /// </summary>
        private int _pictureWidth;
        /// <summary>
        /// Высота окна
        /// </summary>
        private int _pictureHeight;
        /// <summary>
        /// Левая координата прорисовки грузовика
        /// </summary>
        protected int _startPosX;
        /// <summary>
        /// Верхняя кооридната прорисовки грузовика
        /// </summary>
        protected int _startPosY;
        /// <summary>
        /// Ширина прорисовки грузовика
        /// </summary>
        protected readonly int _truckWidth = 160;
        /// <summary>
        /// Высота прорисовки грузовика
        /// </summary>
        protected readonly int _truckHeight = 90;

        /// <summary>
        /// Координата X объекта
        /// </summary>
        public int GetPosX => _startPosX;
        /// <summary>
        /// Координата Y объекта
        /// </summary>
        public int GetPosY => _startPosY;
        /// <summary>
        /// Ширина объекта
        /// </summary>
        public int GetWidth => _truckWidth;
        /// <summary>
        /// Высота объекта
        /// </summary>
        public int GetHeight => _truckHeight;
        /// <summary>
        /// Получение объекта IMoveableObject из объекта DrawingTruck
        /// </summary>
        public IMoveableObject GetMoveableObject => new DrawningObjectTruck(this);

        /// <summary>
        /// Конструктор
        /// </summary>
        /// <param name="speed">Скорость</param>
        /// <param name="weight">Вес</param>
        /// <param name="bodyColor">Основной цвет</param>
        /// <param name="width">Ширина картинки</param>
        /// <param name="height">Высота картинки</param>
        public DrawingTruck(int speed, double weight, Color bodyColor, int width, int height)
        {
            if (width < _truckWidth || height < _truckHeight) return;
            _pictureWidth = width;
            _pictureHeight = height;
            EntityTruck = new EntityTruck(speed, weight, bodyColor);
        }
        /// <summary>
        /// Конструктор
        /// </summary>
        /// <param name="speed">Скорость</param>
        /// <param name="weight">Вес</param>
        /// <param name="bodyColor">Основной цвет</param>
        /// <param name="width">Ширина картинки</param>
        /// <param name="height">Высота картинки</param>
        /// <param name="truckWidth">Ширина прорисовки грузовика</param>
        /// <param name="truckWidth">Высота прорисовки грузовика</param>
        protected DrawingTruck(int speed, double weight, Color bodyColor, int width, int height, int truckWidth, int truckHeight)
        {
            if (width < truckWidth || height < truckHeight) return;
            _pictureWidth = width;
            _pictureHeight = height;
            _truckWidth = truckWidth;
            _truckHeight = truckHeight;
            EntityTruck = new EntityTruck(speed, weight, bodyColor);
        }
        /// <summary>
        /// Установка позиции
        /// </summary>
        /// <param name="x">Координата X</param>
        /// <param name="y">Координата Y</param>
        public void SetPosition(int x, int y)
        {
            if (x < 0 || x + _truckWidth > _pictureWidth) x = 0;
            if (y < 0 || y + _truckHeight > _pictureHeight) y = 0;
            _startPosX = x;
            _startPosY = y;
        }

        /// <summary>
        /// Проверка, что объект может переместится по указанному направлению
        /// </summary>
        /// <param name="direction">Направление</param>
        /// <returns>true - можно переместится по указанному направлению</returns>
        public bool CanMove(Direction direction)
        {
            if (EntityTruck == null)
            {
                return false;
            }
            return direction switch
            {
                //влево
                Direction.Left => _startPosX - EntityTruck.Step > 0,
                //вверх
                Direction.Up => _startPosY - EntityTruck.Step > 0,
                // вправо
                Direction.Right => _startPosX + _truckWidth + EntityTruck.Step < _pictureWidth,
                //вниз
                Direction.Down => _startPosY + _truckHeight + EntityTruck.Step < _pictureHeight,
                _ => false,
            };
        }
        /// <summary>
        /// Изменение направления перемещения
        /// </summary>
        /// <param name="direction">Направление</param>
        public void MoveTransport(Direction direction)
        {
            if (!CanMove(direction) || EntityTruck == null)
            {
                return;
            }
            switch (direction)
            {
                //влево
                case Direction.Left:
                    if (_startPosX - EntityTruck.Step > 0)
                    {
                        _startPosX -= (int)EntityTruck.Step;
                    }
                    break;
                //вверх
                case Direction.Up:
                    if (_startPosY - EntityTruck.Step > 0)
                    {
                        _startPosY -= (int)EntityTruck.Step;
                    }
                    break;
                // вправо
                case Direction.Right:
                    if (_startPosX + _truckWidth + EntityTruck.Step < _pictureWidth)
                    {
                        _startPosX += (int)EntityTruck.Step;
                    }
                    break;
                //вниз
                case Direction.Down:
                    if (_startPosY + _truckHeight + EntityTruck.Step < _pictureHeight)
                    {
                        _startPosY += (int)EntityTruck.Step;
                    }
                    break;
            }
        }

        /// <summary>
        /// Прорисовка объекта
        /// </summary>
        /// <param name="g"></param>
        public virtual void DrawTransport(Graphics g)
        {
            if (EntityTruck == null)
            {
                return;
            }
            Brush brush = new SolidBrush(EntityTruck.BodyColor);
            g.FillRectangle(brush, _startPosX, _startPosY + 40, 160, 10);
            g.FillRectangle(brush, _startPosX + 120, _startPosY, 40, 40);
            g.FillEllipse(brush, _startPosX, _startPosY + 50, 40, 40);
            g.FillEllipse(brush, _startPosX + 40, _startPosY + 50, 40, 40);
            g.FillEllipse(brush, _startPosX + 120, _startPosY + 50, 40, 40);
        }
    }
}