Лабораторная работа №2

HoistingCrane/HoistingCrane/Drawning/DirectionType.cs

@@ -1,10 +1,14 @@
 namespace HoistingCrane.Drawning;
 
-public enum DirectionType : byte //Создали не класс(class), а перечисление (enum)
+public enum DirectionType //Создали не класс(class), а перечисление (enum)
 {
     //Перечислим основные траектории движния нашего автомобиля. Сразу же зададим значения.
     /// <summary>
-    /// Вверх1
+    /// Неизвестное направление
+    /// </summary>
+    Unknow = -1,
+    /// <summary>
+    /// Вверх
     /// </summary>
     Up = 1,
     /// <summary>

HoistingCrane/HoistingCrane/Drawning/DrawningHoistingCrane.cs

@@ -5,10 +5,6 @@ namespace HoistingCrane.Drawning;
 //В данном классе мы будем думать над полем игры, размерами персонажа, размерами объектов и т.д.
 public class DrawningHoistingCrane : DrawningTrackedVehicle
 {
-    /// <summary>
-    /// Класс - сущность
-    /// </summary>
-    public EntityHoistingCrane? EntityHoistingCrane { get; private set; }
 
     /// <summary>
     /// Ширина окна
@@ -24,6 +20,7 @@ public class DrawningHoistingCrane : DrawningTrackedVehicle
     /// Ширина прорисовки автомобиля
     /// </summary>
     private readonly int _drawingCarWidth = 115;
+
     /// <summary>
     /// Высота прорисовки автомобиля
     /// </summary>
@@ -42,10 +39,16 @@ public class DrawningHoistingCrane : DrawningTrackedVehicle
     }
     
 
+    //Метод изменения траектории движения из дочернего класса
 
-
+    public void CreateMovement()
-
+    {
-    
+        if (EntityTrackedVehicle == null || !_startPosX.HasValue || !_startPosY.HasValue)
+        {
+            return false;
+        }
+        EntityTrackedVehicle.MoveTransport(direction);
+    }
 
     /// <summary>
     /// Метод отрисовки объекта

HoistingCrane/HoistingCrane/Drawning/DrawningTrackedVehicle.cs

@@ -7,10 +7,6 @@ namespace HoistingCrane.Drawning
     {
 
 
-
-
-
-
         /// <summary>
         /// Класс - сущность
         /// </summary>
@@ -44,6 +40,11 @@ namespace HoistingCrane.Drawning
         /// </summary>
         private readonly int _drawingCarHeight = 63;
 
+        public int? GetPosX => _startPosX;
+        public int? GetPosY => _startPosY;
+        public int GetWidth => _drawingCarWidth;
+        public int GetHeight => _drawingCarHeight;
+
 
 
         /// <summary>
@@ -164,7 +165,7 @@ namespace HoistingCrane.Drawning
         /// </summary>
         /// <param name="direction"></param>
         /// <returns></returns>
-        public bool MoveTransport(DirectionType direction)
+        protected bool MoveTransport(DirectionType direction)
         {
             if (EntityTrackedVehicle == null || !_startPosX.HasValue || !_startPosY.HasValue)
             {

HoistingCrane/HoistingCrane/FormHoistingCrane.Designer.cs

@@ -31,6 +31,8 @@ namespace HoistingCrane
             ButtonUp = new Button();
             ButtonDown = new Button();
             buttonCreateTrackedVehicle = new Button();
+            comboStrategy = new ComboBox();
+            buttonStrategyStep = new Button();
             ((System.ComponentModel.ISupportInitialize)pictureBoxHoistingCrane).BeginInit();
             SuspendLayout();
             // 
@@ -109,15 +111,37 @@ namespace HoistingCrane
             buttonCreateTrackedVehicle.Name = "buttonCreateTrackedVehicle";
             buttonCreateTrackedVehicle.Size = new Size(194, 23);
             buttonCreateTrackedVehicle.TabIndex = 6;
-            buttonCreateTrackedVehicle.Text = "Создать бронебойную машину";
+            buttonCreateTrackedVehicle.Text = "Создать гусеничную машину";
             buttonCreateTrackedVehicle.UseVisualStyleBackColor = true;
             buttonCreateTrackedVehicle.Click += buttonCreateTrackedVehicle_Click;
             // 
+            // comboStrategy
+            // 
+            comboStrategy.DropDownStyle = ComboBoxStyle.DropDownList;
+            comboStrategy.FormattingEnabled = true;
+            comboStrategy.Items.AddRange(new object[] { "К центру", "К краю" });
+            comboStrategy.Location = new Point(697, 42);
+            comboStrategy.Name = "comboStrategy";
+            comboStrategy.Size = new Size(121, 23);
+            comboStrategy.TabIndex = 7;
+            // 
+            // buttonStrategyStep
+            // 
+            buttonStrategyStep.Location = new Point(743, 71);
+            buttonStrategyStep.Name = "buttonStrategyStep";
+            buttonStrategyStep.Size = new Size(75, 23);
+            buttonStrategyStep.TabIndex = 8;
+            buttonStrategyStep.Text = "Шаг";
+            buttonStrategyStep.UseVisualStyleBackColor = true;
+            buttonStrategyStep.Click += ButtonStrategyStep_Click;
+            // 
             // FormHoistingCrane
             // 
             AutoScaleDimensions = new SizeF(7F, 15F);
             AutoScaleMode = AutoScaleMode.Font;
             ClientSize = new Size(818, 515);
+            Controls.Add(buttonStrategyStep);
+            Controls.Add(comboStrategy);
             Controls.Add(buttonCreateTrackedVehicle);
             Controls.Add(ButtonDown);
             Controls.Add(ButtonUp);
@@ -140,5 +164,7 @@ namespace HoistingCrane
         private Button ButtonUp;
         private Button ButtonDown;
         private Button buttonCreateTrackedVehicle;
+        private ComboBox comboStrategy;
+        private Button buttonStrategyStep;
     }
 }

HoistingCrane/HoistingCrane/FormHoistingCrane.cs

@@ -1,4 +1,5 @@
 using HoistingCrane.Drawning;
+using HoistingCrane.MovementStrategy;
 
 namespace HoistingCrane
 {
@@ -6,10 +7,11 @@ namespace HoistingCrane
     {
 
         private DrawningTrackedVehicle? _drawning;
-
+        private AbstractStrategy? _abstractStrategy;
         public FormHoistingCrane()
         {
             InitializeComponent();
+            _abstractStrategy = null;
         }
 
         private void Draw()
@@ -50,7 +52,7 @@ namespace HoistingCrane
             {
 
                 case nameof(DrawningHoistingCrane):
-                    _drawning = new DrawningHoistingCrane(rand.Next(100, 300),rand.Next(1000, 3000),Color.FromArgb(rand.Next(0, 256), rand.Next(0, 256), rand.Next(0, 256)),
+                    _drawning = new DrawningHoistingCrane(rand.Next(100, 300), rand.Next(1000, 3000), Color.FromArgb(rand.Next(0, 256), rand.Next(0, 256), rand.Next(0, 256)),
                 Color.FromArgb(rand.Next(0, 256), rand.Next(0, 256), rand.Next(0, 256)), true, true);
                     break;
 
@@ -63,6 +65,8 @@ namespace HoistingCrane
             }
             _drawning.SetPictureSize(pictureBoxHoistingCrane.Width, pictureBoxHoistingCrane.Height);
             _drawning.SetPosition(rand.Next(0, 100), rand.Next(0, 100));
+
+            comboStrategy.Enabled = true;
             Draw();
         }
 
@@ -98,6 +102,42 @@ namespace HoistingCrane
 
         }
 
+        private void ButtonStrategyStep_Click(object sender, EventArgs e)
+        {
+            if (_drawning == null)
+            {
+                return;
+            }
 
+            if (comboStrategy.Enabled)
+            {
+                _abstractStrategy = comboStrategy.SelectedIndex switch
+                {
+                    0 => new MoveToCenter(),
+                    1 => new MoveToBorder(),
+                    _ => null,
+                };
+                if (_abstractStrategy == null)
+                {
+                    return;
+                }
+                _abstractStrategy.SetData(new MoveableCar(_drawning), pictureBoxHoistingCrane.Width, pictureBoxHoistingCrane.Height);
+            }
+
+            if (_abstractStrategy == null)
+            {
+                return;
+            }
+
+            comboStrategy.Enabled = false;
+            _abstractStrategy.MakeStep();
+            Draw();
+
+            if (_abstractStrategy.GetStatus() == StrategyStatus.Finish)
+            {
+                comboStrategy.Enabled = true;
+                _abstractStrategy = null;
+            }
+        }
     }
 }

HoistingCrane/HoistingCrane/MovementStrategy/AbstractStrategy.cs

@@ -0,0 +1,139 @@
+namespace HoistingCrane.MovementStrategy
+{
+    public abstract class AbstractStrategy
+    {
+        /// <summary>
+        /// Перемещаемый объект
+        /// </summary>
+        private IMoveableObjects? _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>
+        /// <returns></returns>
+        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(IMoveableObjects 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 (IsTargetDestination())
+            {
+                _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 IsTargetDestination();
+
+        /// <summary>
+        /// Попытка перемещения в требуемом направлении
+        /// </summary>
+        /// <param name="movementDirection">Направление</param>
+        /// <returns>Результат попытки (true - удалось, false - неудача)</returns>
+        private bool MoveTo(MovementDirection movementDirection)
+        {
+            if (_state != StrategyStatus.InProgress)
+            {
+                return false;
+            }
+
+            return _moveableObject?.TryMoveObject(movementDirection) ?? false;
+        }
+
+    }
+}

HoistingCrane/HoistingCrane/MovementStrategy/IMoveableObjects.cs

@@ -0,0 +1,24 @@
+namespace HoistingCrane.MovementStrategy
+{
+    public interface IMoveableObjects
+    {
+        /// <summary>
+        /// Получение позиции объекта
+        /// </summary>
+        ObjectParameters? GetObjectPosition { get; }
+
+
+        /// <summary>
+        /// Получение шага объекта
+        /// </summary>
+        int GetStep { get; }
+
+
+        /// <summary>
+        /// Попытка переместить объект в указанном направлении
+        /// </summary>
+        /// <param name="direction">направление</param>
+        /// <returns></returns>
+        bool TryMoveObject(MovementDirection direction);
+    }
+}

HoistingCrane/HoistingCrane/MovementStrategy/MoveToBorder.cs

@@ -0,0 +1,51 @@
+namespace HoistingCrane.MovementStrategy
+{
+    public class MoveToBorder : AbstractStrategy
+    {
+        protected override bool IsTargetDestination()
+        {
+            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.RightBorder - FieldWidth;
+            if (Math.Abs(diffX) > GetStep())
+            {
+                if (diffX > 0)
+                {
+                    MoveLeft();
+                }
+                else
+                {
+                    MoveRight();
+                }
+            }
+
+            int diffY = objParams.DownBorder -  FieldHeight;
+            if (Math.Abs(diffY) > GetStep())
+            {
+                if (diffY > 0)
+                {
+                    MoveUp();
+                }
+                else
+                {
+                    MoveDown();
+                }
+            }
+        }
+    }
+}

HoistingCrane/HoistingCrane/MovementStrategy/MoveToCenter.cs

@@ -0,0 +1,52 @@
+namespace HoistingCrane.MovementStrategy
+{
+    public class MoveToCenter : AbstractStrategy
+    {
+        protected override bool IsTargetDestination()
+        {
+            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();
+                }
+            }
+        }
+    }
+}

HoistingCrane/HoistingCrane/MovementStrategy/MoveableCar.cs

@@ -0,0 +1,63 @@
+using HoistingCrane.Drawning;
+
+namespace HoistingCrane.MovementStrategy
+{
+    public class MoveableCar : IMoveableObjects
+    {
+        /// <summary>
+        /// Поле-объект класса DrawningAirplane или его наследника
+        /// </summary>
+        private readonly DrawningTrackedVehicle? drawningTrackedVehicle = null;
+
+        /// <summary>
+        /// Конструктор
+        /// </summary>
+        /// <param name="airplane">Объект класса DrawningAirplane</param>
+        public MoveableCar(DrawningTrackedVehicle drawningTrackedVehicle)
+        {
+            this.drawningTrackedVehicle = drawningTrackedVehicle;
+        }
+
+        public ObjectParameters? GetObjectPosition
+        {
+            get
+            {
+                if (drawningTrackedVehicle == null || drawningTrackedVehicle.EntityTrackedVehicle == null || !drawningTrackedVehicle.GetPosX.HasValue || !drawningTrackedVehicle.GetPosY.HasValue)
+                {
+                    return null;
+                }
+                return new ObjectParameters(drawningTrackedVehicle.GetPosX.Value, drawningTrackedVehicle.GetPosY.Value, drawningTrackedVehicle.GetWidth, drawningTrackedVehicle.GetHeight);
+            }
+        }
+
+
+        public int GetStep => (int)(drawningTrackedVehicle?.EntityTrackedVehicle?.Step ?? 0);
+
+        public bool TryMoveObject(MovementDirection direction)
+        {
+            if (drawningTrackedVehicle == null || drawningTrackedVehicle.EntityTrackedVehicle == null)
+            {
+                return false;
+            }
+
+            return drawningTrackedVehicle.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,
+            };
+        }
+    }
+}

HoistingCrane/HoistingCrane/MovementStrategy/MovementDirection.cs

@@ -0,0 +1,25 @@
+namespace HoistingCrane.MovementStrategy
+{
+    public enum MovementDirection
+    {
+        //Перечислим основные траектории движния нашего автомобиля. Сразу же зададим значения.
+        /// <summary>
+        /// Вверх1
+        /// </summary>
+        Up = 1,
+        /// <summary>
+        /// Вниз
+        /// </summary>
+        Down = 2,
+        /// <summary>
+        /// Влево
+        /// </summary>
+        Left = 3,
+        /// <summary>
+        /// Вправо
+        /// </summary>
+        Right = 4
+
+
+    }
+}

HoistingCrane/HoistingCrane/MovementStrategy/ObjectParameters.cs

@@ -0,0 +1,70 @@
+namespace HoistingCrane.MovementStrategy
+{
+    public class ObjectParameters
+    {
+        /// <summary>
+        /// Начальная координата х
+        /// </summary>
+        private readonly int _x;
+
+        /// <summary>
+        /// Начальная 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>
+        /// Правая граница
+        /// </summary>
+        public int RightBorder => _x + _width;
+
+        /// <summary>
+        /// Верхняя граница
+        /// </summary>
+        public int TopBorder => _y;
+
+        /// <summary>
+        /// Нижняя граница
+        /// </summary>
+        public int DownBorder => _y + _height;
+        
+        /// <summary>
+        /// Центральная координата по горизонтали
+        /// </summary>
+        public int ObjectMiddleHorizontal => _x + _width / 2;
+
+        /// <summary>
+        /// Центральная координата по вертикали
+        /// </summary>
+        public int ObjectMiddleVertical => _y + _height / 2;
+
+        /// <summary>
+        /// Конструктор
+        /// </summary>
+        /// <param name="_x">Координата по х</param>
+        /// <param name="_y">Координата по у</param>
+        /// <param name="_width">Ширина объекта</param>
+        /// <param name="_height">Высота объекта</param>
+        public ObjectParameters(int _x, int _y, int _width, int _height)
+        {
+            this._x = _x;
+            this._y = _y;
+            this._width = _width;
+            this._height = _height;
+        }
+    }
+}

HoistingCrane/HoistingCrane/MovementStrategy/StrategyStatus.cs

@@ -0,0 +1,22 @@
+namespace HoistingCrane.MovementStrategy
+{
+    public enum StrategyStatus
+    {
+        /// <summary>
+        /// Всё готово к началу
+        /// </summary>
+        NotInit,
+
+        /// <summary>
+        /// Выполняется
+        /// </summary>
+        InProgress,
+
+        /// <summary>
+        /// Завершено
+        /// </summary>
+        Finish
+
+
+    }
+}