PIbd-12_Karamushko_M.K._AirFighter._Base/AirFighter/AirFighter/DrawingAirFighter.cs

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

namespace AirFighter
{
    internal class DrawingAirFighter
    {
        public EntityAirFighter AirFighter { get; private set; }

        private float _startPosX;
        private float _startPosY;

        private int? _pictureWidth = null;
        private int? _pictureHeight = null;

        private readonly int _airFighterWidth = 195;
        private readonly int _airFighterHeight = 166;

        public void Init(int speed, float weight, Color bodyColor)
        {
            AirFighter = new EntityAirFighter();
            AirFighter.Init(speed, weight, bodyColor);
        }

        public void SetPosition(int x, int y, int width, int height)
        {
            if (width < _airFighterWidth || height < _airFighterHeight) return;

            if (x + _airFighterWidth > width || x < 0) return;
            if (y + _airFighterHeight > height || y < 0) return;

            _startPosX = x;
            _startPosY = y;

            _pictureWidth = width;
            _pictureHeight = height;
        }

        public void MoveTransport(Direction direction)
        {
            if (!_pictureWidth.HasValue || !_pictureHeight.HasValue)
            {
                return;
            }


            switch (direction)
            {
                case Direction.Right:
                    if (_startPosX + _airFighterWidth + AirFighter.Step < _pictureWidth)
                    {
                        _startPosX += AirFighter.Step;
                    }
                    break;
                case Direction.Left:
                    if (_startPosX - AirFighter.Step > 0)
                    {
                        _startPosX -= AirFighter.Step;
                    }
                    break;
                case Direction.Up:
                    if (_startPosY - AirFighter.Step > 0)
                    {
                        _startPosY -= AirFighter.Step;
                    }
                    break;
                case Direction.Down:
                    if (_startPosY + _airFighterHeight + AirFighter.Step < _pictureHeight)
                    {
                        _startPosY += AirFighter.Step;
                    }
                    break;
            }

        }

        public void DrawTransport(Graphics g)
        {
            if (!_pictureWidth.HasValue || !_pictureHeight.HasValue)
            {
                return;
            }

            Pen pen = new(AirFighter.BodyColor);
            Brush brushBlack = new SolidBrush(AirFighter.BodyColor);

            PointF[] front = {
                new(_startPosX + 160, _startPosY + 70),
                new(_startPosX + 195, _startPosY + 83),
                new(_startPosX + 160, _startPosY + 96)
            };

            PointF[] tailTop = {
                new(_startPosX, _startPosY + 30),
                new(_startPosX, _startPosY + 70),
                new(_startPosX + 25, _startPosY + 70),
                new(_startPosX + 25, _startPosY + 55)
            };

            PointF[] tailBottom = {
                new(_startPosX, _startPosY + 96),
                new(_startPosX, _startPosY + 136),
                new(_startPosX + 25, _startPosY + 111),
                new(_startPosX + 25, _startPosY + 96)
            };

            PointF[] wingTop =
            {
                new(_startPosX + 100, _startPosY),
                new(_startPosX + 100, _startPosY + 70),
                new(_startPosX + 75, _startPosY + 70),
                new(_startPosX + 90, _startPosY),
            };


            PointF[] wingBottom =
            {
                new(_startPosX + 100, _startPosY + 96),
                new(_startPosX + 100, _startPosY + 166),
                new(_startPosX + 90, _startPosY + 166),
                new(_startPosX + 75, _startPosY + 96),
            };

            g.FillPolygon(brushBlack, front);
            g.DrawPolygon(pen, tailTop);
            g.DrawPolygon(pen, tailBottom);
            g.DrawPolygon(pen, wingTop);
            g.DrawPolygon(pen, wingBottom);
            g.DrawRectangle(pen, _startPosX, _startPosY + 70, 160, 26);
        }

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

    }
}