Добавление стратегии

WinFormsAppExcavator/WinFormsAppExcavator/Drawings/DrawingExcavator.cs

@@ -34,41 +34,6 @@ public class DrawingExcavator : DrawingExcavatorEmpty
         Brush additionalBrush = new SolidBrush(entityExcavator.AdditionalColor);
         Brush bodybrush = new SolidBrush(entityExcavator.BodyColor);
 
-        //границы экскаватора
-        g.DrawRectangle(pen, _startPosX.Value, _startPosY.Value + 20, 100, 30);
-        g.DrawRectangle(pen, _startPosX.Value + 30, _startPosY.Value, 10, 20);
-        g.DrawRectangle(pen, _startPosX.Value + 80, _startPosY.Value, 20, 20);
-        g.DrawArc(pen, _startPosX.Value, _startPosY.Value + 45, 30, 40, 130, 100);
-        g.DrawArc(pen, _startPosX.Value + 80, _startPosY.Value + 50, 30, 40, 285, 110);
-        g.DrawLine(pen, _startPosX.Value + 5, _startPosY.Value + 80, _startPosX.Value + 109, _startPosY.Value + 80);
-        g.DrawEllipse(pen, _startPosX.Value + 5, _startPosY.Value + 53, 25, 25);
-        g.DrawEllipse(pen, _startPosX.Value + 80, _startPosY.Value + 53, 25, 25);
-        g.DrawEllipse(pen, _startPosX.Value + 30, _startPosY.Value + 69, 10, 10);
-        g.DrawEllipse(pen, _startPosX.Value + 48, _startPosY.Value + 69, 10, 10);
-        g.DrawEllipse(pen, _startPosX.Value + 65, _startPosY.Value + 69, 10, 10);
-        g.DrawEllipse(pen, _startPosX.Value + 40, _startPosY.Value + 53, 7, 7);
-        g.DrawEllipse(pen, _startPosX.Value + 60, _startPosY.Value + 53, 7, 7);
-
-        //заливка кабины и основного железа
-        Brush br = new SolidBrush(Color.Black);
-        g.FillRectangle(bodybrush, _startPosX.Value, _startPosY.Value + 20, 100, 30);
-        g.FillRectangle(bodybrush, _startPosX.Value + 30, _startPosY.Value, 10, 20);
-        g.FillRectangle(bodybrush, _startPosX.Value + 80, _startPosY.Value, 20, 20);
-        g.FillEllipse(br, _startPosX.Value + 5, _startPosY.Value + 53, 25, 25);
-        g.FillEllipse(br, _startPosX.Value + 80, _startPosY.Value + 53, 25, 25);
-        g.FillEllipse(br, _startPosX.Value + 30, _startPosY.Value + 69, 10, 10);
-        g.FillEllipse(br, _startPosX.Value + 48, _startPosY.Value + 69, 10, 10);
-        g.FillEllipse(br, _startPosX.Value + 65, _startPosY.Value + 69, 10, 10);
-        g.FillEllipse(br, _startPosX.Value + 40, _startPosY.Value + 53, 7, 7);
-        g.FillEllipse(br, _startPosX.Value + 60, _startPosY.Value + 53, 7, 7);
-
-        //фары
-        Brush brfara = new SolidBrush(Color.Blue);
-        g.DrawRectangle(pen, _startPosX.Value, _startPosY.Value + 27, 10, 10);
-        g.FillRectangle(brfara, _startPosX.Value, _startPosY.Value + 27, 10, 10);
-        //окно
-        g.FillRectangle(brfara, _startPosX.Value + 85, _startPosY.Value + 10, 10, 10);
-
 
         if (entityExcavator.Bucket)
         {

WinFormsAppExcavator/WinFormsAppExcavator/Drawings/DrawingExcavatorEmpty.cs

@@ -45,6 +45,26 @@ public class DrawingExcavatorEmpty
     /// </summary>
     private readonly int _drawningExcavatorHeight = 75;
 
+    /// <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 => _drawningExcavatorWidth;
+
+    /// <summary>
+    /// Высота объекта
+    /// </summary>
+    public int GetHeight => _drawningExcavatorHeight;
+
     /// <summary>
     /// Пустой конструктор
     /// </summary>

WinFormsAppExcavator/WinFormsAppExcavator/FormExcavator.Designer.cs

@@ -36,6 +36,8 @@ namespace WinFormsAppExcavator
             buttonDown = new Button();
             buttonUp = new Button();
             CreateExcavatorEmpty = new Button();
+            buttonStrategyStep = new Button();
+            comboBoxStrategy = new ComboBox();
             ((System.ComponentModel.ISupportInitialize)pictureBoxExcavator).BeginInit();
             SuspendLayout();
             // 
@@ -118,11 +120,33 @@ namespace WinFormsAppExcavator
             CreateExcavatorEmpty.UseVisualStyleBackColor = true;
             CreateExcavatorEmpty.Click += CreateExcavatorEmpty_Click;
             // 
+            // buttonStrategyStep
+            // 
+            buttonStrategyStep.Location = new Point(790, 48);
+            buttonStrategyStep.Name = "buttonStrategyStep";
+            buttonStrategyStep.Size = new Size(94, 29);
+            buttonStrategyStep.TabIndex = 8;
+            buttonStrategyStep.Text = "Шаг";
+            buttonStrategyStep.UseVisualStyleBackColor = true;
+            buttonStrategyStep.Click += ButtonStrategyStep_Click;
+            // 
+            // comboBoxStrategy
+            // 
+            comboBoxStrategy.DropDownStyle = ComboBoxStyle.DropDownList;
+            comboBoxStrategy.FormattingEnabled = true;
+            comboBoxStrategy.Items.AddRange(new object[] { "К центру", "К краю" });
+            comboBoxStrategy.Location = new Point(733, 12);
+            comboBoxStrategy.Name = "comboBoxStrategy";
+            comboBoxStrategy.Size = new Size(151, 28);
+            comboBoxStrategy.TabIndex = 9;
+            // 
             // FormExcavator
             // 
             AutoScaleDimensions = new SizeF(8F, 20F);
             AutoScaleMode = AutoScaleMode.Font;
             ClientSize = new Size(898, 329);
+            Controls.Add(comboBoxStrategy);
+            Controls.Add(buttonStrategyStep);
             Controls.Add(CreateExcavatorEmpty);
             Controls.Add(buttonUp);
             Controls.Add(buttonDown);
@@ -145,5 +169,7 @@ namespace WinFormsAppExcavator
         private Button buttonUp;
         public Button buttonCreat;
         public Button CreateExcavatorEmpty;
+        private Button buttonStrategyStep;
+        private ComboBox comboBoxStrategy;
     }
 }

WinFormsAppExcavator/WinFormsAppExcavator/FormExcavator.cs

@@ -1,5 +1,6 @@
 using System;
 using WinFormsAppExcavator.Drawings;
+using WinFormsAppExcavator.MovementStrategy;
 
 namespace WinFormsAppExcavator
 {
@@ -13,12 +14,19 @@ namespace WinFormsAppExcavator
         /// </summary>
         private DrawingExcavatorEmpty? _drawingExcavatorEmpty;
 
+
+        /// <summary>
+        /// Стратегия перемещения
+        /// </summary>
+        private AbstractStrategy? _strategy;
+
         /// <summary>
         /// Конструктор формы
         /// </summary>
         public FormExcavator()
         {
             InitializeComponent();
+            _strategy = null;
         }
 
         /// <summary>
@@ -65,6 +73,9 @@ namespace WinFormsAppExcavator
             _drawingExcavatorEmpty.SetPictureSize(pictureBoxExcavator.Width, pictureBoxExcavator.Height);
             _drawingExcavatorEmpty.SetPosition(random.Next(10, 100), random.Next(10, 100));
 
+            _strategy = null;
+            comboBoxStrategy.Enabled = true;
+
             Draw();
         }
 
@@ -126,5 +137,49 @@ namespace WinFormsAppExcavator
         }
 
 
+
+        /// <summary>
+        /// Обработка нажатия кнопки "Шаг"
+        /// </summary>
+        /// <param name="sender"></param>
+        /// <param name="e"></param>
+        private void ButtonStrategyStep_Click(object sender, EventArgs e)
+        {
+            if (_drawingExcavatorEmpty == null)
+            {
+                return;
+            }
+
+            if (comboBoxStrategy.Enabled)
+            {
+                _strategy = comboBoxStrategy.SelectedIndex switch
+                {
+                    0 => new MoveToCenter(),
+                    1 => new MoveToBorder(),
+                    _ => null,
+                };
+                if (_strategy == null)
+                {
+                    return;
+                }
+                _strategy.SetData(new MoveableExcavator(_drawingExcavatorEmpty), pictureBoxExcavator.Width, pictureBoxExcavator.Height);
+            }
+
+            if (_strategy == null)
+            {
+                return;
+            }
+
+            comboBoxStrategy.Enabled = false;
+            _strategy.MakeStep();
+            Draw();
+
+            if (_strategy.GetStatus() == StrategyStatus.Finish)
+            {
+                comboBoxStrategy.Enabled = true;
+                _strategy = null;
+            }
+
+        }
     }
 }

WinFormsAppExcavator/WinFormsAppExcavator/MovementStrategy/AbstractStrategy.cs

@@ -0,0 +1,140 @@
+namespace WinFormsAppExcavator.MovementStrategy;
+
+/// <summary>
+/// Класс-стратегия перемещения объекта
+/// </summary>
+public abstract class AbstractStrategy
+{
+    /// <summary>
+	/// Перемещаемый объект
+	/// </summary>
+	private IMoveableObjectcs? _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(IMoveableObjectcs 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;
+    }
+}
+

WinFormsAppExcavator/WinFormsAppExcavator/MovementStrategy/IMoveableObjectcs.cs

@@ -0,0 +1,24 @@
+namespace WinFormsAppExcavator.MovementStrategy;
+
+/// <summary>
+/// Интерфейс для работы с перемещаемым объектом
+/// </summary>
+public interface IMoveableObjectcs
+{
+    /// <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);
+}

WinFormsAppExcavator/WinFormsAppExcavator/MovementStrategy/MoveToBorder.cs

@@ -0,0 +1,56 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace WinFormsAppExcavator.MovementStrategy
+{
+    internal class MoveToBorder : 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;
+            if (Math.Abs(diffX) > GetStep())
+            {
+                if (diffX > 0)
+                {
+                    MoveLeft();
+                }
+                else
+                {
+                    MoveRight();
+                }
+            }
+            int diffY = objParams.ObjectMiddleVertical - FieldHeight;
+            if (Math.Abs(diffY) > GetStep())
+            {
+                if (diffY > 0)
+                {
+                    MoveUp();
+                }
+                else
+                {
+                    MoveDown(); 
+                }
+            }
+        }
+    }
+}

WinFormsAppExcavator/WinFormsAppExcavator/MovementStrategy/MoveToCenter.cs

@@ -0,0 +1,48 @@
+namespace WinFormsAppExcavator.MovementStrategy;
+
+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();
+            }
+        }
+    }
+}
+

WinFormsAppExcavator/WinFormsAppExcavator/MovementStrategy/MoveableExcavator.cs

@@ -0,0 +1,69 @@
+
+
+using WinFormsAppExcavator.Drawings;
+
+namespace WinFormsAppExcavator.MovementStrategy;
+/// <summary>
+/// Класс-реализация IMoveableObject с использованием DrawningExcavator
+/// </summary>
+public class MoveableExcavator : IMoveableObjectcs
+{
+
+
+
+    /// <summary>
+    /// Поле-объект класса DrawningCar или его наследника
+    /// </summary>
+    private readonly DrawingExcavatorEmpty? _excavator = null;
+
+    /// <summary>
+	/// Конструктор
+	/// </summary>
+	/// <param name="car">Объект класса DrawningCar</param>
+	public MoveableExcavator(DrawingExcavatorEmpty excavator)
+    {
+        _excavator = excavator;
+    }
+
+
+    public ObjectParameters? GetObjectPosition
+    {
+        get
+        {
+            if (_excavator == null || _excavator.EntityExcavatorEmpty == null || !_excavator.GetPosX.HasValue || !_excavator.GetPosY.HasValue)
+            {
+                return null;
+            }
+            return new ObjectParameters(_excavator.GetPosX.Value, _excavator.GetPosY.Value, _excavator.GetWidth, _excavator.GetHeight);
+        }
+    }
+
+    public int GetStep => (int)(_excavator?.EntityExcavatorEmpty?.Step ?? 0);
+
+    public bool TryMoveObject(MovementDirection direction)
+    {
+        if (_excavator == null || _excavator.EntityExcavatorEmpty == null)
+        {
+            return false;
+        }
+
+        return _excavator.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,
+        };
+    }
+
+}

WinFormsAppExcavator/WinFormsAppExcavator/MovementStrategy/MovementDirection.cs

@@ -0,0 +1,24 @@
+namespace WinFormsAppExcavator.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
+
+}

WinFormsAppExcavator/WinFormsAppExcavator/MovementStrategy/ObjectParameters.cs

@@ -0,0 +1,73 @@
+namespace WinFormsAppExcavator.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;
+    }
+
+}

WinFormsAppExcavator/WinFormsAppExcavator/MovementStrategy/StrategyStatus.cs

@@ -0,0 +1,22 @@
+
+namespace WinFormsAppExcavator.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
+}