Добавление стратегии

ProjectElectricLocomotive/ProjectElectricLocomotive/Drawnings/DirectionType.cs

@@ -8,6 +8,11 @@ namespace ProjectElectricLocomotive.Drawnings;
 
 public enum DirectionType
 {
+    /// <summary>
+    /// Неизвестное направление
+    /// </summary>
+    Unknow = -1,
+
     /// <summary>
     /// Вверх
     /// </summary>

ProjectElectricLocomotive/ProjectElectricLocomotive/Drawnings/DrawningLocomotive.cs

@@ -37,13 +37,35 @@ public class DrawningLocomotive
     /// <summary>
     /// Ширина прорисовки локомотива
     /// </summary>
-    private readonly int _drawningElectricLocomotiveWidth = 83;
+    private readonly int _drawningLocomotiveWidth = 83;
 
 
     /// <summary>
     /// Высота прорисовки локомотива
     /// </summary>
-    private readonly int _drawningElectricLocomotiveHeight = 40;
+    private readonly int _drawningLocomotiveHeight = 40;
+
+    /// <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 => _drawningLocomotiveWidth;
+
+    /// <summary>
+    /// Высота объекта
+    /// </summary>
+    public int GetHeight => _drawningLocomotiveHeight;
+
+
 
     /// <summary>
     /// Пустой конструктор
@@ -70,12 +92,12 @@ public class DrawningLocomotive
     /// <summary>
     /// Конструктор для наследников
     /// </summary>
-    /// <param name="drawningElectricLocomotiveWidth">Ширина прорисовки локомотива</param>
+    /// <param name="drawningLocomotiveWidth">Ширина прорисовки локомотива</param>
-    /// <param name="drawningElectricLocomotiveHeight">Высота прорисовки локомотива</param>
+    /// <param name="drawningLocomotiveHeight">Высота прорисовки локомотива</param>
-    protected DrawningLocomotive(int drawningElectricLocomotiveWidth, int drawningElectricLocomotiveHeight) : this()
+    protected DrawningLocomotive(int drawningLocomotiveWidth, int drawningLocomotiveHeight) : this()
     {
-        _drawningElectricLocomotiveWidth = drawningElectricLocomotiveWidth;
+        _drawningLocomotiveWidth = drawningLocomotiveWidth;
-        _drawningElectricLocomotiveHeight = drawningElectricLocomotiveHeight;
+        _drawningLocomotiveHeight = drawningLocomotiveHeight;
     }
 
     /// <summary>
@@ -86,19 +108,19 @@ public class DrawningLocomotive
     /// <returns>true - границы заданы, false - проверка не пройдена, нельзя разместить объект в этих размерах</returns>
     public bool SetPictureSize(int width, int height)
     {
-        if (_drawningElectricLocomotiveHeight > height || _drawningElectricLocomotiveWidth > width)
+        if (_drawningLocomotiveHeight > height || _drawningLocomotiveWidth > width)
         {
             return false;
         }
         _pictureWidth = width;
         _pictureHeight = height;
-        if (_startPosY.HasValue && _startPosY + _drawningElectricLocomotiveHeight < _pictureHeight)
+        if (_startPosY.HasValue && _startPosY + _drawningLocomotiveHeight < _pictureHeight)
         {
-            _startPosY = _pictureHeight - _drawningElectricLocomotiveHeight;
+            _startPosY = _pictureHeight - _drawningLocomotiveHeight;
         }
-        if (_startPosX.HasValue && _startPosX + _drawningElectricLocomotiveWidth < _pictureWidth)
+        if (_startPosX.HasValue && _startPosX + _drawningLocomotiveWidth < _pictureWidth)
         {
-            _startPosX = _pictureWidth - _drawningElectricLocomotiveWidth;
+            _startPosX = _pictureWidth - _drawningLocomotiveWidth;
         }
         return true;
     }
@@ -121,13 +143,13 @@ public class DrawningLocomotive
 
 
 
-        if (_drawningElectricLocomotiveHeight + y > _pictureHeight)
+        if (_drawningLocomotiveHeight + y > _pictureHeight)
         {
-            _startPosY = _pictureHeight - _drawningElectricLocomotiveHeight;
+            _startPosY = _pictureHeight - _drawningLocomotiveHeight;
         }
-        if (_drawningElectricLocomotiveWidth + x > _pictureWidth)
+        if (_drawningLocomotiveWidth + x > _pictureWidth)
         {
-            _startPosX = _pictureWidth - _drawningElectricLocomotiveWidth;
+            _startPosX = _pictureWidth - _drawningLocomotiveWidth;
         }
         if (x < 0)
         {
@@ -172,14 +194,14 @@ public class DrawningLocomotive
                 return true;
             //вправо
             case DirectionType.Right:
-                if (_startPosX.Value + _drawningElectricLocomotiveWidth + EntityLocomotive.Step < _pictureWidth)
+                if (_startPosX.Value + _drawningLocomotiveWidth + EntityLocomotive.Step < _pictureWidth)
                 {
                     _startPosX += (int)EntityLocomotive.Step;
                 }
                 return true;
             //вниз
             case DirectionType.Down:
-                if (_startPosY.Value + _drawningElectricLocomotiveHeight + EntityLocomotive.Step < _pictureHeight)
+                if (_startPosY.Value + _drawningLocomotiveHeight + EntityLocomotive.Step < _pictureHeight)
                 {
                     _startPosY += (int)EntityLocomotive.Step;
                 }

ProjectElectricLocomotive/ProjectElectricLocomotive/FormElectricLocomotive.Designer.cs

@@ -35,6 +35,8 @@
             buttonRight = new Button();
             buttonUp = new Button();
             buttonCreateLocomotive = new Button();
+            comboBoxStrategy = new ComboBox();
+            buttonStrategyStep = new Button();
             ((System.ComponentModel.ISupportInitialize)pictureBoxElectricLocomotive).BeginInit();
             SuspendLayout();
             // 
@@ -121,11 +123,33 @@
             buttonCreateLocomotive.UseVisualStyleBackColor = true;
             buttonCreateLocomotive.Click += buttonCreateLocomotive_Click;
             // 
+            // comboBoxStrategy
+            // 
+            comboBoxStrategy.DropDownStyle = ComboBoxStyle.DropDownList;
+            comboBoxStrategy.FormattingEnabled = true;
+            comboBoxStrategy.Items.AddRange(new object[] { "К центру", "К краю" });
+            comboBoxStrategy.Location = new Point(733, 24);
+            comboBoxStrategy.Name = "comboBoxStrategy";
+            comboBoxStrategy.Size = new Size(121, 23);
+            comboBoxStrategy.TabIndex = 7;
+            // 
+            // buttonStrategyStep
+            // 
+            buttonStrategyStep.Location = new Point(764, 72);
+            buttonStrategyStep.Name = "buttonStrategyStep";
+            buttonStrategyStep.Size = new Size(90, 33);
+            buttonStrategyStep.TabIndex = 8;
+            buttonStrategyStep.Text = "Шаг";
+            buttonStrategyStep.UseVisualStyleBackColor = true;
+            buttonStrategyStep.Click += buttonStrategyStep_Click;
+            // 
             // FormElectricLocomotive
             // 
             AutoScaleDimensions = new SizeF(7F, 15F);
             AutoScaleMode = AutoScaleMode.Font;
             ClientSize = new Size(866, 479);
+            Controls.Add(buttonStrategyStep);
+            Controls.Add(comboBoxStrategy);
             Controls.Add(buttonCreateLocomotive);
             Controls.Add(buttonUp);
             Controls.Add(buttonRight);
@@ -148,5 +172,7 @@
         private Button buttonRight;
         private Button buttonUp;
         private Button buttonCreateLocomotive;
+        private ComboBox comboBoxStrategy;
+        private Button buttonStrategyStep;
     }
 }

ProjectElectricLocomotive/ProjectElectricLocomotive/FormElectricLocomotive.cs

@@ -1,4 +1,5 @@
 using ProjectElectricLocomotive.Drawnings;
+using ProjectElectricLocomotive.MovementStrategy;
 using System;
 using System.Collections.Generic;
 using System.ComponentModel;
@@ -13,11 +14,20 @@ namespace ProjectElectricLocomotive;
 
 public partial class FormElectricLocomotive : Form
 {
+    /// <summary>
+    /// Поле-объект для прорисовки объекта
+    /// </summary>
     private DrawningLocomotive? _drawningLocomotive;
 
+    private AbstractStrategy? _strategy;
+
+    /// <summary>
+    /// Конструктор формы
+    /// </summary>
     public FormElectricLocomotive()
     {
         InitializeComponent();
+        _strategy = null;
     }
 
     /// <summary>
@@ -36,6 +46,10 @@ public partial class FormElectricLocomotive : Form
         pictureBoxElectricLocomotive.Image = bmp;
     }
 
+    /// <summary>
+    /// Создание объекта класса-перемещения
+    /// </summary>
+    /// <param name="type"></param>
     private void CreateObject(string type)
     {
         Random random = new();
@@ -55,7 +69,9 @@ public partial class FormElectricLocomotive : Form
                 return;
         }
         _drawningLocomotive.SetPictureSize(pictureBoxElectricLocomotive.Width, pictureBoxElectricLocomotive.Height);
-        _drawningLocomotive.SetPosition(random.Next(10,100), random.Next(10,100));
+        _drawningLocomotive.SetPosition(random.Next(10, 100), random.Next(10, 100));
+        _strategy = null;
+        comboBoxStrategy.Enabled = true;
         Draw();
     }
 
@@ -112,7 +128,37 @@ public partial class FormElectricLocomotive : Form
         }
     }
 
-  
+    /// <summary>
+    /// 
+    /// </summary>
+    /// <param name="sender"></param>
+    /// <param name="e"></param>
+    private void buttonStrategyStep_Click(object sender, EventArgs e)
+    {
+        if (_drawningLocomotive == null) return;
+        if (comboBoxStrategy.Enabled)
+        {
+            _strategy = comboBoxStrategy.SelectedIndex switch
+            {
+                0 => new MoveToCenter(),
+                1 => new MoveToBorder(),
+                _ => null,
+            };
+            if (_strategy == null) return;
+            _strategy.SetData(new MoveableLocomotive(_drawningLocomotive), pictureBoxElectricLocomotive.Width, pictureBoxElectricLocomotive.Height);
+        }
+        if (_strategy == null) return;
+        comboBoxStrategy.Enabled = false;
+        _strategy.MakeStep();
+        Draw();
+
+        if (_strategy.GetStatus() == StrategyStatus.Finish)
+        {
+            comboBoxStrategy.Enabled = true;
+            _strategy = null;
+        }
+    }
+ 
 }
 
 

ProjectElectricLocomotive/ProjectElectricLocomotive/MovementStrategy/AbstractStrategy.cs

@@ -0,0 +1,140 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ProjectElectricLocomotive.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;
+    }
+}

ProjectElectricLocomotive/ProjectElectricLocomotive/MovementStrategy/IMoveableObject.cs

@@ -0,0 +1,27 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ProjectElectricLocomotive.MovementStrategy;
+
+public interface IMoveableObject
+{
+    /// <summary>
+    /// Получение координат 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);
+}

ProjectElectricLocomotive/ProjectElectricLocomotive/MovementStrategy/MovableLocomotive.cs

@@ -0,0 +1,67 @@
+using ProjectElectricLocomotive.Drawnings;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ProjectElectricLocomotive.MovementStrategy;
+
+/// <summary>
+/// Класс-реализация IMoveableObject  c использованием DrawningLocomotive
+/// </summary>
+public class MoveableLocomotive : IMoveableObject 
+{
+    /// <summary>
+    /// Поле-объект класса DrawningLocomotive или его наследника
+    /// </summary>
+    private  readonly DrawningLocomotive? _locomotive = null;
+
+    /// <summary>
+    /// Конструктор
+    /// </summary>
+    /// <param name="locomotive">Объект класса DrawningLocomotive</param>
+    public MoveableLocomotive(DrawningLocomotive locomotive)
+    {
+        _locomotive = locomotive;
+    }
+
+    public ObjectParameters? GetObjectPosition
+    {
+        get
+        {
+            if (_locomotive == null || _locomotive.EntityLocomotive == null || !_locomotive.GetPosX.HasValue || !_locomotive.GetPosY.HasValue)
+            {
+                return null;
+            }
+            return new ObjectParameters(_locomotive.GetPosX.Value, _locomotive.GetPosY.Value, _locomotive.GetWidth, _locomotive.GetHeight);
+        }
+    }
+
+    public int GetStep => (int)(_locomotive?.EntityLocomotive?.Step ?? 0);
+
+    public bool TryMoveObject(MovementDirection direction)
+    {
+        if (_locomotive == null || _locomotive.EntityLocomotive == null)
+        {
+            return false;
+        }
+        return _locomotive.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,
+        };
+    }
+}

ProjectElectricLocomotive/ProjectElectricLocomotive/MovementStrategy/MoveToBorder.cs

@@ -0,0 +1,41 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ProjectElectricLocomotive.MovementStrategy;
+
+public class MoveToBorder : 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.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();
+        }
+    }
+}

ProjectElectricLocomotive/ProjectElectricLocomotive/MovementStrategy/MoveToCenter.cs

@@ -0,0 +1,42 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ProjectElectricLocomotive.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();
+        }
+    }
+}

ProjectElectricLocomotive/ProjectElectricLocomotive/MovementStrategy/MovementDirection.cs

@@ -0,0 +1,31 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ProjectElectricLocomotive.MovementStrategy;
+
+public enum MovementDirection
+{
+    /// <summary>
+    /// Вверх
+    /// </summary>
+    Up = 1,
+
+    /// <summary>
+    /// Вверх
+    /// </summary>
+    Down = 2,
+
+    /// <summary>
+    /// Вверх
+    /// </summary>
+    Left = 3,
+
+    /// <summary>
+    /// Вверх
+    /// </summary>
+    Right = 4,
+
+}

ProjectElectricLocomotive/ProjectElectricLocomotive/MovementStrategy/ObjectParameters.cs

@@ -0,0 +1,76 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ProjectElectricLocomotive.MovementStrategy;
+
+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;
+    }
+
+
+
+}

ProjectElectricLocomotive/ProjectElectricLocomotive/MovementStrategy/StrategyStatus.cs

@@ -0,0 +1,26 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ProjectElectricLocomotive.MovementStrategy;
+
+public enum StrategyStatus
+{
+    /// <summary>
+    /// Всё готово к началу
+    /// </summary>
+    NotInit,
+
+    /// <summary>
+    /// Выполняется
+    /// </summary>
+    InProgress,
+
+
+    /// <summary>
+    /// Завершено
+    /// </summary>
+    Finish
+}