Добавление стратегии

ProjectMonorail/FormMonorail.Designer.cs

@@ -35,6 +35,8 @@
             pictureBoxMonorail = new PictureBox();
             buttonCreateModernMonorail = new Button();
             buttonCreateMonorail = new Button();
+            comboBoxStrategy = new ComboBox();
+            buttonStrategyStep = new Button();
             ((System.ComponentModel.ISupportInitialize)pictureBoxMonorail).BeginInit();
             SuspendLayout();
             // 
@@ -118,11 +120,33 @@
             buttonCreateMonorail.UseVisualStyleBackColor = true;
             buttonCreateMonorail.Click += buttonCreateMonorail_Click;
             // 
+            // comboBoxStrategy
+            // 
+            comboBoxStrategy.DropDownStyle = ComboBoxStyle.DropDownList;
+            comboBoxStrategy.FormattingEnabled = true;
+            comboBoxStrategy.Items.AddRange(new object[] { "К центру", "К краю" });
+            comboBoxStrategy.Location = new Point(680, 12);
+            comboBoxStrategy.Name = "comboBoxStrategy";
+            comboBoxStrategy.Size = new Size(121, 23);
+            comboBoxStrategy.TabIndex = 7;
+            // 
+            // buttonStrategyStep
+            // 
+            buttonStrategyStep.Location = new Point(704, 41);
+            buttonStrategyStep.Name = "buttonStrategyStep";
+            buttonStrategyStep.Size = new Size(75, 23);
+            buttonStrategyStep.TabIndex = 8;
+            buttonStrategyStep.Text = "Шаг";
+            buttonStrategyStep.UseVisualStyleBackColor = true;
+            buttonStrategyStep.Click += buttonStrategyStep_Click;
+            // 
             // FormMonorail
             // 
             AutoScaleDimensions = new SizeF(7F, 15F);
             AutoScaleMode = AutoScaleMode.Font;
             ClientSize = new Size(813, 474);
+            Controls.Add(buttonStrategyStep);
+            Controls.Add(comboBoxStrategy);
             Controls.Add(buttonCreateMonorail);
             Controls.Add(buttonCreateModernMonorail);
             Controls.Add(buttonMove_Up);
@@ -145,5 +169,7 @@
         private PictureBox pictureBoxMonorail;
         private Button buttonCreateModernMonorail;
         private Button buttonCreateMonorail;
+        private ComboBox comboBoxStrategy;
+        private Button buttonStrategyStep;
     }
 }

ProjectMonorail/FormMonorail.cs

@@ -1,14 +1,30 @@
 using ProjectMonorail.Scripts.Monorail.Drawnings;
+using ProjectMonorail.Scripts.Monorail.MovementStrategy;
 
 namespace ProjectMonorail
 {
+    /// <summary>
+    /// Форма работы с объектом "Монорельс"
+    /// </summary>
     public partial class FormMonorail : Form
     {
+        /// <summary>
+        /// Поле-объект для прорисовки объекта
+        /// </summary>
         private DrawingMonorail? _drawningMonorail;
 
+        /// <summary>
+        /// Стратегия перемещения
+        /// </summary>
+        private AbstractStrategy? _strategy;
+
+        /// <summary>
+        /// Конструктор формы
+        /// </summary>
         public FormMonorail()
         {
             InitializeComponent();
+            _strategy = null;
         }
 
         /// <summary>
@@ -72,7 +88,7 @@ namespace ProjectMonorail
                 Color.FromArgb(random.Next(0, 256), random.Next(0, 256), random.Next(0, 256)),
                 Color.FromArgb(random.Next(0, 256), random.Next(0, 256), random.Next(0, 256)),
                 randomTrack,
-                (randomTrack? Convert.ToBoolean(random.Next(0, 2)) : true));
+                (randomTrack ? Convert.ToBoolean(random.Next(0, 2)) : true));
                     break;
                 default:
                     return;
@@ -80,6 +96,8 @@ namespace ProjectMonorail
 
             _drawningMonorail.SetPictureSize(pictureBoxMonorail.Width, pictureBoxMonorail.Height);
             _drawningMonorail.SetPosition(random.Next(10, 100), random.Next(10, 100));
+            _strategy = null;
+            comboBoxStrategy.Enabled = true;
 
             Draw();
         }
@@ -102,5 +120,44 @@ namespace ProjectMonorail
             CreateObject(nameof(DrawingMonorail));
         }
 
+        /// <summary>
+        /// 
+        /// </summary>
+        /// <param name="sender"></param>
+        /// <param name="e"></param>
+        private void buttonStrategyStep_Click(object sender, EventArgs e)
+        {
+            if (_drawningMonorail == null) return;
+
+            if (comboBoxStrategy.Enabled)
+            {
+                _strategy = comboBoxStrategy.SelectedIndex switch
+                {
+                    0 => new MoveToCenter(),
+                    1 => new MoveToRightDownBorder(),
+                    _ => null,
+                };
+                if (_strategy == null)
+                {
+                    return;
+                }
+                _strategy.SetData(new MoveableMonorail(_drawningMonorail), pictureBoxMonorail.Width, pictureBoxMonorail.Height);
+            }
+
+            if (_strategy == null)
+            {
+                return;
+            }
+
+            comboBoxStrategy.Enabled = false;
+            _strategy.MakeStep();
+            Draw();
+
+            if (_strategy.GetStatus() == StrategyStatus.Finish)
+            {
+                comboBoxStrategy.Enabled = true;
+                _strategy = null;
+            } 
+        }
     }
 }

ProjectMonorail/Scripts/Monorail/Drawnings/DirectionType.cs

@@ -5,6 +5,11 @@
     /// </summary>
     public enum DirectionType
     {
+        /// <summary>
+        /// Неизвестное направление
+        /// </summary>
+        Unknow = -1,
+
         /// <summary>
         /// Вверх
         /// </summary>

ProjectMonorail/Scripts/Monorail/Drawnings/DrawingMonorail.cs

@@ -43,6 +43,29 @@ namespace ProjectMonorail.Scripts.Monorail.Drawnings
         /// </summary>
         private readonly int _drawningMonorailHeight = 40;
 
+        /// <summary>
+        /// Координаты X объекта
+        /// </summary>
+        public int? GetPositionX => _startPositionX;
+
+        /// <summary>
+        /// Координаты Y объекта
+        /// </summary>
+        public int? GetPositionY => _startPositionY;
+
+        /// <summary>
+        /// Ширина объекта
+        /// </summary>
+        public int GetWidth => _drawningMonorailWidth;
+
+        /// <summary>
+        /// Высота объекта
+        /// </summary>
+        public int GetHeight => _drawningMonorailHeight;
+
+        /// <summary>
+        /// Пустой конструкотор
+        /// </summary>
         private DrawingMonorail() 
         {
             _pictureWidth = null;

ProjectMonorail/Scripts/Monorail/MovementStrategy/AbstractStrategy.cs

@@ -0,0 +1,133 @@
+namespace ProjectMonorail.Scripts.Monorail.MovementStrategy
+{
+    public abstract class AbstractStrategy
+    {
+        /// <summary>
+        /// Перемещаемый объект
+        /// </summary>
+        private IMoveableObject? _moveableObject;
+
+        /// <summary>
+        /// Статус перемещения
+        /// </summary>
+        private StrategyStatus _state = StrategyStatus.NotInit;
+
+        /// <summary>
+        /// Ширина поля
+        /// </summary>
+        protected int FieldWidth { get; private set; }
+
+        /// <summary>
+        /// Высота поля
+        /// </summary>
+        protected int FieldHeight { get; private set; }
+
+        /// <summary>
+        /// Статус перемещения
+        /// </summary>
+        public StrategyStatus GetStatus() { return _state; }
+
+        /// <summary>
+        /// Установка данных
+        /// </summary>
+        /// <param name="moveableObject">Перемещаемый объект</param>
+        /// <param name="width">Ширина поля</param>
+        /// <param name="height">Высота поля</param>
+        public void SetData(IMoveableObject moveableObject, int width, int height)
+        {
+            if (moveableObject == null)
+            {
+                _state = StrategyStatus.NotInit;
+                return;
+            }
+            _state = StrategyStatus.InProgress;
+            _moveableObject = moveableObject;
+            FieldWidth = width;
+            FieldHeight = height;
+        }
+
+        /// <summary>
+        /// Шаг перемещения
+        /// </summary>
+        public void MakeStep()
+        {
+            if (_state != StrategyStatus.InProgress)
+            {
+                return;
+            }
+            if (IsTargetDestinaion())
+            {
+                _state = StrategyStatus.Finish;
+                return;
+            }
+            MoveToTarget();
+        }
+
+        /// <summary>
+        /// Перемещение влево
+        /// </summary>
+        /// <returns>Результат перемещения (true - удалось переместиться, false - неудача)</returns>
+        protected bool MoveLeft() => MoveTo(MovementDirection.Left);
+
+        /// <summary>
+        /// Перемещение вправо
+        /// </summary>
+        /// <returns>Результат перемещения (true - удалось переместиться, false - неудача)</returns>
+        protected bool MoveRight() => MoveTo(MovementDirection.Right);
+
+        /// <summary>
+        /// Перемещение вверх
+        /// </summary>
+        /// <returns>Результат перемещения (true - удалось переместиться, false - неудача)</returns>
+        protected bool MoveUp() => MoveTo(MovementDirection.Up);
+
+        /// <summary>
+        /// Перемещение вниз
+        /// </summary>
+        /// <returns>Результат перемещения (true - удалось переместиться, false - неудача)</returns>
+        protected bool MoveDown() => MoveTo(MovementDirection.Down);
+
+        /// <summary>
+        /// Параметры объекта
+        /// </summary>
+        protected ObjectParameters? GetObjectParameters => _moveableObject?.GetObjectPosition;
+
+        /// <summary>
+        /// Шаг объекта
+        /// </summary>
+        /// <returns></returns>
+        protected int? GetStep()
+        {
+            if (_state != StrategyStatus.InProgress)
+            {
+                return null;
+            }
+            return _moveableObject?.GetStep;
+        }
+
+        /// <summary>
+        /// Перемещение к цели
+        /// </summary>
+        protected abstract void MoveToTarget();
+
+        /// <summary>
+        /// Достигнута ли цель
+        /// </summary>
+        /// <returns></returns>
+        protected abstract bool IsTargetDestinaion();
+
+        /// <summary>
+        /// Попытка перемещения в требуемом направлении
+        /// </summary>
+        /// <param name="movementDirection">Направление</param>
+        /// <returns>Результат попытки (true - удалось переместиться, false - неудача)</returns>
+        private bool MoveTo(MovementDirection movementDirection)
+        {
+            if (_state != StrategyStatus.InProgress)
+            {
+                return false;
+            }
+            return _moveableObject?.TryMoveObject(movementDirection) ?? false;
+        }
+    }
+}

ProjectMonorail/Scripts/Monorail/MovementStrategy/IMoveableObject.cs

@@ -0,0 +1,25 @@
+namespace ProjectMonorail.Scripts.Monorail.MovementStrategy
+{
+    /// <summary>
+    /// Интерфейс для работы с перемещаемым объектом
+    /// </summary>I
+    public interface IMoveableObject
+    {
+        /// <summary>
+        /// Получение координаты объекта
+        /// </summary>
+        ObjectParameters? GetObjectPosition { get; }
+
+        /// <summary>
+        /// Шаг объекта
+        /// </summary>
+        int GetStep { get; }
+
+        /// <summary>
+        /// Попытка переместить объект в указанном направлении
+        /// </summary>
+        /// <param name="direction">Направление</param>
+        /// <returns>true - объект перемещен, false - перемещение невозможно</returns>
+        bool TryMoveObject(MovementDirection direction);
+    }
+}

ProjectMonorail/Scripts/Monorail/MovementStrategy/MoveToCenter.cs

@@ -0,0 +1,52 @@
+namespace ProjectMonorail.Scripts.Monorail.MovementStrategy
+{
+    /// <summary>
+    /// Стратегия перемещения объекта в центр экрана
+    /// </summary>
+    public class MoveToCenter : AbstractStrategy
+    {
+        protected override bool IsTargetDestinaion()
+        {
+            ObjectParameters? objParams = GetObjectParameters;
+            if (objParams == null) return false;
+
+            return objParams.ObjectMiddleHorizontal - GetStep() <= FieldWidth / 2
+            && objParams.ObjectMiddleHorizontal + GetStep() >= FieldWidth / 2
+            && objParams.ObjectMiddleVertical - GetStep() <= FieldHeight / 2
+            && objParams.ObjectMiddleVertical + GetStep() >= FieldHeight / 2;
+        }
+
+
+        protected override void MoveToTarget()
+        {
+            ObjectParameters? objParams = GetObjectParameters;
+            if (objParams == null) return;
+
+            int diffX = objParams.ObjectMiddleHorizontal - FieldWidth / 2;
+            if (Math.Abs(diffX) > GetStep())
+            {
+                if (diffX > 0)
+                {
+                    MoveLeft();
+                }
+                else
+                {
+                    MoveRight();
+                }
+            }
+
+            int diffY = objParams.ObjectMiddleVertical - FieldHeight / 2;
+            if (Math.Abs(diffY) > GetStep())
+            {
+                if (diffY > 0)
+                {
+                    MoveUp();
+                }
+                else
+                {
+                    MoveDown();
+                }
+            }
+        }
+    }
+}

ProjectMonorail/Scripts/Monorail/MovementStrategy/MoveToRightDownBorder.cs

@@ -0,0 +1,36 @@
+namespace ProjectMonorail.Scripts.Monorail.MovementStrategy
+{
+    /// <summary>
+    /// Стратегия перемещения объекта в левый нижний угл экрана
+    /// </summary>
+    public class MoveToRightDownBorder : AbstractStrategy
+    {
+        protected override bool IsTargetDestinaion()
+        {
+            ObjectParameters? objParams = GetObjectParameters;
+            if (objParams == null) return false;
+
+            return objParams.RightBorder + GetStep() >= FieldWidth 
+                && objParams.DownBorder + GetStep() >= FieldHeight;
+        }
+
+        protected override void MoveToTarget()
+        {
+            ObjectParameters? objParams = GetObjectParameters;
+            if (objParams == null) return;
+
+            int diffX = objParams.LeftBorder - FieldWidth;
+            if (Math.Abs(diffX) > GetStep())
+            {
+                MoveRight();
+            }
+
+            int diffY = objParams.DownBorder - FieldHeight;
+            if (Math.Abs(diffY) > GetStep())
+            {
+                MoveDown();
+            }
+        }
+
+    }
+}

ProjectMonorail/Scripts/Monorail/MovementStrategy/MoveableMonorail.cs

@@ -0,0 +1,61 @@
+using ProjectMonorail.Scripts.Monorail.Drawnings;
+
+namespace ProjectMonorail.Scripts.Monorail.MovementStrategy
+{
+    /// <summary>
+    /// Класс-реализация IMoveableObject с использованием DrawingMonorail
+    /// </summary>
+    public class MoveableMonorail : IMoveableObject
+    {
+        /// <summary>
+        /// Поле-объект класса DrawingMonorail или его наследника
+        /// </summary>
+        private readonly DrawingMonorail _drawingMonorail;
+
+        /// <summary>
+        /// Конструктор
+        /// </summary>
+        /// <param name="drawingMonorail">Объект класса DrawingMonorail</param>
+        public MoveableMonorail(DrawingMonorail drawingMonorail)
+        {
+            _drawingMonorail = drawingMonorail;
+        }
+
+        public ObjectParameters? GetObjectPosition
+        {
+            get
+            {
+                if (_drawingMonorail == null || _drawingMonorail.EntityMonorail == null || !_drawingMonorail.GetPositionX.HasValue || !_drawingMonorail.GetPositionY.HasValue) return null;
+                return new ObjectParameters(_drawingMonorail.GetPositionX.Value, _drawingMonorail.GetPositionY.Value, _drawingMonorail.GetWidth, _drawingMonorail.GetHeight);
+            }
+        }
+
+        public int GetStep => (int)(_drawingMonorail?.EntityMonorail?.Step ?? 0);
+
+        public bool TryMoveObject(MovementDirection direction)
+        {
+            if (_drawingMonorail == null || _drawingMonorail.EntityMonorail == null)
+            {
+                return false;
+            }
+            return _drawingMonorail.MoveTransport(GetDirectionType(direction));
+        }
+
+        /// <summary>
+        /// Конвертация из MovementDirection в DirectionType
+        /// </summary>
+        /// <param name="direction">MovementDirection</param>
+        /// <returns>DirectionType</returns>
+        private static DirectionType GetDirectionType(MovementDirection direction)
+        {
+            return direction switch
+            {
+                MovementDirection.Left => DirectionType.Left,
+                MovementDirection.Right => DirectionType.Right,
+                MovementDirection.Up => DirectionType.Up,
+                MovementDirection.Down => DirectionType.Down,
+                _ => DirectionType.Unknow,
+            };
+        }
+    }
+}

ProjectMonorail/Scripts/Monorail/MovementStrategy/MovementDirection.cs

@@ -0,0 +1,29 @@
+namespace ProjectMonorail.Scripts.Monorail.MovementStrategy
+{
+    /// <summary>
+    /// Направление перемещения
+    /// </summary>
+    public enum MovementDirection
+    {
+        /// <summary>
+        /// Вверх
+        /// </summary>
+        Up = 1,
+
+        /// <summary>
+        /// Вниз
+        /// </summary>
+        Down = 2,
+
+        /// <summary>
+        /// Влево
+        /// </summary>
+        Left = 3,
+
+        /// <summary>
+        /// Вправо
+        /// </summary>
+        Right = 4
+
+    }
+}

ProjectMonorail/Scripts/Monorail/MovementStrategy/ObjectParameters.cs

@@ -0,0 +1,74 @@
+namespace ProjectMonorail.Scripts.Monorail.MovementStrategy
+{
+    /// <summary>
+    /// Параметры-координаты объекта
+    /// </summary>
+    public class ObjectParameters
+    {
+        /// <summary>
+        /// Координата X
+        /// </summary>
+        private readonly int _x;
+
+        /// <summary>
+        /// Координата Y
+        /// </summary>
+        private readonly int _y;
+
+        /// <summary>
+        /// Ширина объекта
+        /// </summary>
+        private readonly int _width;
+
+        /// <summary>
+        /// Высота объекта
+        /// </summary>
+        private readonly int _height;
+
+        /// <summary>
+        /// Левая граница
+        /// </summary>
+        public int LeftBorder => _x;
+
+        /// <summary>
+        /// Верхняя граница
+        /// </summary>
+        public int TopBorder => _y;
+
+        /// <summary>
+        /// Правая граница
+        /// </summary>
+        public int RightBorder => _x + _width;
+
+        /// <summary>
+        /// Нижняя граница
+        /// </summary>
+        public int DownBorder => _y + _height;
+
+        /// <summary>
+        /// Середина объекта
+        /// </summary>
+        public int ObjectMiddleHorizontal => _x + _width / 2;
+
+        /// <summary>
+        /// Середина объекта
+        /// </summary>
+        public int ObjectMiddleVertical => _y + _height / 2;
+
+        /// <summary>
+        /// Конструктор
+        /// </summary>
+        /// <param name="x">Координата X</param>
+        /// <param name="y">Координата Y</param>
+        /// <param name="width">Ширина объекта</param>
+        /// <param name="height">Высота объекта</param>
+        public ObjectParameters(int x, int y, int width, int height)
+        {
+            _x = x;
+            _y = y;
+            _width = width;
+            _height = height;
+        }
+
+    }
+}

ProjectMonorail/Scripts/Monorail/MovementStrategy/StrategyStatus.cs

@@ -0,0 +1,23 @@
+namespace ProjectMonorail.Scripts.Monorail.MovementStrategy
+{
+    /// <summary>
+    /// Статус выполнения операции перемещения
+    /// </summary>
+    public enum StrategyStatus
+    {
+        /// <summary>
+        /// Все готово к началу
+        /// </summary>
+        NotInit,
+
+        /// <summary>
+        /// Выполняется
+        /// </summary>
+        InProgress,
+
+        /// <summary>
+        /// Завершено
+        /// </summary>
+        Finish
+    }
+}