Добавление стратегии

ProjectRoadTrain/ProjectRoadTrain/Drawnings/DirectionType.cs

@@ -2,6 +2,11 @@
 
 public enum DirectionType
 {
+    /// <summary>
+    /// Неизвестное навпрвление
+    /// </summary>
+    Unknow = -1,
+
     /// <summary>
     /// Вверх
     /// </summary>

ProjectRoadTrain/ProjectRoadTrain/Drawnings/DrawningTrain.cs

@@ -34,16 +34,6 @@ public class DrawningTrain
     /// </summary>
     protected int? _startPosY;
 
-    /// <summary>
-    /// Левая координата прорисовки автопоезда
-    /// </summary>
-    public int? GetPosX => _startPosX;
-
-    /// <summary>
-    /// Верхняя координата прорисовки автопоезда
-    /// </summary>
-    public int? GetPosY => _startPosY;  
-
     /// <summary>
     /// Ширина прорисовки автопоезда
     /// </summary>
@@ -54,6 +44,27 @@ public class DrawningTrain
     /// </summary>
     private readonly int _drawningTrainHeight = 95;
 
+    /// <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 => _drawningTrainWidth;
+
+    /// <summary>
+    /// Высота объекта
+    /// </summary>
+    public int GetHeight => _drawningTrainHeight;
+
+
     /// <summary>
     /// Пустой конструктор
     /// </summary>

ProjectRoadTrain/ProjectRoadTrain/FormRoadTrain.Designer.cs

@@ -35,6 +35,8 @@
             buttonLeft = new Button();
             buttonRight = new Button();
             buttonCreateTrain = new Button();
+            comboBoxStrategy = new ComboBox();
+            buttonStrategyStep = new Button();
             ((System.ComponentModel.ISupportInitialize)pictureBoxRoadTrain).BeginInit();
             SuspendLayout();
             // 
@@ -117,11 +119,33 @@
             buttonCreateTrain.UseVisualStyleBackColor = true;
             buttonCreateTrain.Click += ButtonCreateTrain_Click;
             // 
+            // comboBoxStrategy
+            // 
+            comboBoxStrategy.DropDownStyle = ComboBoxStyle.DropDownList;
+            comboBoxStrategy.FormattingEnabled = true;
+            comboBoxStrategy.Items.AddRange(new object[] { "К центру", "К краю" });
+            comboBoxStrategy.Location = new Point(667, 12);
+            comboBoxStrategy.Name = "comboBoxStrategy";
+            comboBoxStrategy.Size = new Size(121, 23);
+            comboBoxStrategy.TabIndex = 7;
+            // 
+            // buttonStrategyStep
+            // 
+            buttonStrategyStep.Location = new Point(713, 41);
+            buttonStrategyStep.Name = "buttonStrategyStep";
+            buttonStrategyStep.Size = new Size(75, 23);
+            buttonStrategyStep.TabIndex = 8;
+            buttonStrategyStep.Text = "Шаг";
+            buttonStrategyStep.UseVisualStyleBackColor = true;
+            buttonStrategyStep.Click += ButtonStrategyStep_Click;
+            // 
             // FormRoadTrain
             // 
             AutoScaleDimensions = new SizeF(7F, 15F);
             AutoScaleMode = AutoScaleMode.Font;
             ClientSize = new Size(800, 450);
+            Controls.Add(buttonStrategyStep);
+            Controls.Add(comboBoxStrategy);
             Controls.Add(buttonCreateTrain);
             Controls.Add(buttonRight);
             Controls.Add(buttonLeft);
@@ -144,5 +168,7 @@
         private Button buttonLeft;
         private Button buttonRight;
         private Button buttonCreateTrain;
+        private ComboBox comboBoxStrategy;
+        private Button buttonStrategyStep;
     }
 }

ProjectRoadTrain/ProjectRoadTrain/FormRoadTrain.cs

@@ -8,6 +8,7 @@
 //using System.Threading.Tasks;
 //using System.Windows.Forms;
 using ProjectRoadTrain.Drawnings;
+using ProjectRoadTrain.MovementStrategy;
 //using ProjectRoadTrain.MovementStrategy;
 
 namespace ProjectRoadTrain;
@@ -21,10 +22,10 @@ public partial class FormRoadTrain : Form
     /// </summary>
     private DrawningTrain? _drawningTrain;
 
-    ///// <summary>
+    /// <summary>
-    ///// Стратегия перемещения
+    /// Стратегия перемещения
-    ///// </summary>
+    /// </summary>
-    //private AbstractStrategy? _strategy;
+    private AbstractStrategy? _strategy;
 
 
     /// <summary>
@@ -33,7 +34,7 @@ public partial class FormRoadTrain : Form
     public FormRoadTrain()
     {
         InitializeComponent();
-        //_strategy = null;
+        _strategy = null;
     }
 
     /// <summary>
@@ -58,25 +59,27 @@ public partial class FormRoadTrain : Form
     /// </summary>
     /// <param name="type"></param>
     private void CreateObject(string type)
-    { 
+    {
         Random random = new();
         switch (type)
         {
             case nameof(DrawningTrain):
                 _drawningTrain = new DrawningTrain(random.Next(100, 300), random.Next(1000, 3000),
                     Color.FromArgb(random.Next(0, 256), random.Next(0, 256), random.Next(0, 256)));
-                    break;
+                break;
             case nameof(DrawningRoadTrain):
                 _drawningTrain = new DrawningRoadTrain(random.Next(100, 300), random.Next(1000, 3000),
                     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)),
-                    Convert.ToBoolean(random.Next(0, 2)), Convert.ToBoolean(random.Next(0, 2)));    
+                    Convert.ToBoolean(random.Next(0, 2)), Convert.ToBoolean(random.Next(0, 2)));
                 break;
-            default :
+            default:
                 return;
         }
         _drawningTrain.SetPictureSize(pictureBoxRoadTrain.Width, pictureBoxRoadTrain.Height);
         _drawningTrain.SetPosition(random.Next(10, 100), random.Next(10, 100));
+        _strategy = null;
+        comboBoxStrategy.Enabled = true;
         Draw();
 
     }
@@ -149,4 +152,47 @@ public partial class FormRoadTrain : Form
             Draw();
         }
     }
-}
+
+    /// <summary>
+    /// Обработка нажатия кнопки "Шаг"
+    /// </summary>
+    /// <param name="sender"></param>
+    /// <param name="e"></param>
+    private void ButtonStrategyStep_Click(object sender, EventArgs e)
+    {
+        if (_drawningTrain == null)
+        {
+            return;
+        }
+
+        if (comboBoxStrategy.Enabled)
+        {
+            _strategy = comboBoxStrategy.SelectedIndex switch
+            {
+                0 => new MoveToCenter(),
+                1 => new MoveToBorder(),
+                _ => null,
+            };
+            if (_strategy == null)
+            {
+                return;
+            }
+            _strategy.SetData(new MoveableCar(_drawningTrain), pictureBoxRoadTrain.Width, pictureBoxRoadTrain.Height);
+        }
+
+        if (_strategy == null)
+        {
+            return;
+        }
+
+        comboBoxStrategy.Enabled = false;
+        _strategy.MakeStep();
+        Draw();
+
+        if (_strategy.GetStatus() == StrategyStatus.Finish)
+        {
+            comboBoxStrategy.Enabled = true;
+            _strategy = null;
+        }
+    }
+}

ProjectRoadTrain/ProjectRoadTrain/MovementStrategy/AbstractStrategy.cs

@@ -0,0 +1,139 @@
+namespace ProjectRoadTrain.MovementStrategy;
+
+/// <summary>
+/// Класс-стратегия перемещения объекта
+/// </summary>
+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;
+    }
+}

ProjectRoadTrain/ProjectRoadTrain/MovementStrategy/IMoveableObject.cs

@@ -0,0 +1,24 @@
+namespace ProjectRoadTrain.MovementStrategy;
+
+/// <summary>
+/// Интерфейс для работы с перемещаемым объектом
+/// </summary>
+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);
+}

ProjectRoadTrain/ProjectRoadTrain/MovementStrategy/MoveToBorder.cs

@@ -0,0 +1,49 @@
+namespace ProjectRoadTrain.MovementStrategy;
+
+public class MoveToBorder : AbstractStrategy
+{
+    protected override bool IsTargetDestinaion()
+    {
+        ObjectParameters? objParams = GetObjectParameters;
+        if (objParams == null)
+        {
+            return false;
+        }
+        return objParams.RightBorder - GetStep() <= FieldWidth
+        && objParams.RightBorder + GetStep() >= FieldWidth &&
+        objParams.DownBorder - GetStep() <= FieldHeight
+        && 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();
+            }
+        }
+    }
+}

ProjectRoadTrain/ProjectRoadTrain/MovementStrategy/MoveToCenter.cs

@@ -0,0 +1,54 @@
+namespace ProjectRoadTrain.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();
+            }
+        }
+    }
+}

ProjectRoadTrain/ProjectRoadTrain/MovementStrategy/MoveableTrain.cs

@@ -0,0 +1,64 @@
+using ProjectRoadTrain.Drawnings;
+
+namespace ProjectRoadTrain.MovementStrategy;
+
+/// <summary>
+/// Класс-реализация IMoveableObject с использованием DrawningTrain
+/// </summary>
+public class MoveableCar : IMoveableObject
+{
+    /// <summary>
+    /// Поле-объект класса DrawningTrain или его наследника
+    /// </summary>
+    private readonly DrawningTrain? _train = null;
+
+    /// <summary>
+    /// Конструктор
+    /// </summary>
+    /// <param name="car">Объект класса DrawningTrain</param>
+    public MoveableCar(DrawningTrain train)
+    {
+        _train = train;
+    }
+
+    public ObjectParameters? GetObjectPosition
+    {
+        get
+        {
+            if (_train == null || _train.EntityTrain == null || !_train.GetPosX.HasValue || !_train.GetPosY.HasValue)
+            {
+                return null;
+            }
+            return new ObjectParameters(_train.GetPosX.Value, _train.GetPosY.Value, _train.GetWidth, _train.GetHeight);
+        }
+    }
+
+    public int GetStep => (int)(_train?.EntityTrain?.Step ?? 0);
+
+    public bool TryMoveObject(MovementDirection direction)
+    {
+        if (_train == null || _train.EntityTrain == null)
+        {
+            return false;
+        }
+
+        return _train.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,
+        };
+    }
+}

ProjectRoadTrain/ProjectRoadTrain/MovementStrategy/MovementDirection.cs

@@ -0,0 +1,27 @@
+namespace ProjectRoadTrain.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,
+}

ProjectRoadTrain/ProjectRoadTrain/MovementStrategy/ObjectParameters.cs

@@ -0,0 +1,72 @@
+namespace ProjectRoadTrain.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;
+    }
+}

ProjectRoadTrain/ProjectRoadTrain/MovementStrategy/StrategyStatus.cs

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