Добавление стратегии

AirFighter/AirFighter/Drawnings/DirectionType.cs

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

AirFighter/AirFighter/Drawnings/DrawningFighter.cs

@@ -42,6 +42,26 @@ public class DrawningFighter
 	/// </summary>
     private readonly int _drawningFighterHeight = 70;
 
+    /// <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 => _drawningFighterWidth;
+
+    /// <summary>
+    /// Высота объекта
+    /// </summary>
+    public int GetHeight => _drawningFighterHeight;
+
     /// <summary>
 	/// Пустой конструктор
 	/// </summary>

AirFighter/AirFighter/FormAirFighter.Designer.cs

@@ -28,6 +28,8 @@
             buttonLeft = new Button();
             buttonUp = new Button();
             buttonCreateFighter = new Button();
+            comboBoxStrategy = new ComboBox();
+            buttonStrategyStep = new Button();
             ((System.ComponentModel.ISupportInitialize)pictureBoxAirFighter).BeginInit();
             SuspendLayout();
             // 
@@ -110,11 +112,33 @@
             buttonCreateFighter.UseVisualStyleBackColor = true;
             buttonCreateFighter.Click += buttonCreateAir_Click;
             // 
+            // comboBoxStrategy
+            // 
+            comboBoxStrategy.DropDownStyle = ComboBoxStyle.DropDownList;
+            comboBoxStrategy.FormattingEnabled = true;
+            comboBoxStrategy.Items.AddRange(new object[] { "К центру", "К краю" });
+            comboBoxStrategy.Location = new Point(637, 12);
+            comboBoxStrategy.Name = "comboBoxStrategy";
+            comboBoxStrategy.Size = new Size(151, 28);
+            comboBoxStrategy.TabIndex = 7;
+            // 
+            // buttonStrategyStep
+            // 
+            buttonStrategyStep.Location = new Point(694, 57);
+            buttonStrategyStep.Name = "buttonStrategyStep";
+            buttonStrategyStep.Size = new Size(94, 29);
+            buttonStrategyStep.TabIndex = 8;
+            buttonStrategyStep.Text = "Шаг";
+            buttonStrategyStep.UseVisualStyleBackColor = true;
+            buttonStrategyStep.Click += ButtonStrategyStep_Click;
+            // 
             // FormAirFighter
             // 
             AutoScaleDimensions = new SizeF(8F, 20F);
             AutoScaleMode = AutoScaleMode.Font;
             ClientSize = new Size(800, 450);
+            Controls.Add(buttonStrategyStep);
+            Controls.Add(comboBoxStrategy);
             Controls.Add(buttonCreateFighter);
             Controls.Add(buttonUp);
             Controls.Add(buttonLeft);
@@ -137,5 +161,7 @@
         private Button buttonLeft;
         private Button buttonUp;
         private Button buttonCreateFighter;
+        private ComboBox comboBoxStrategy;
+        private Button buttonStrategyStep;
     }
 }

AirFighter/AirFighter/FormAirFighter.cs

@@ -1,4 +1,5 @@
 using ProjectAirFighter.Drawnings;
+using ProjectAirFighter.MovementStrategy;
 
 namespace ProjectAirFighter;
 
@@ -6,9 +7,12 @@ public partial class FormAirFighter : Form
 {
     private DrawningFighter? _drawningFighter;
 
+    private AbstractStrategy? _strategy;
+
     public FormAirFighter()
     {
         InitializeComponent();
+        _strategy = null;
     }
 
     private void Draw()
@@ -45,6 +49,8 @@ public partial class FormAirFighter : Form
 
         _drawningFighter.SetPictureSize(pictureBoxAirFighter.Width, pictureBoxAirFighter.Height);
         _drawningFighter.SetPosition(random.Next(10, 100), random.Next(10, 100));
+        _strategy = null;
+        comboBoxStrategy.Enabled = true;
         Draw();
     }
 
@@ -82,4 +88,42 @@ public partial class FormAirFighter : Form
             Draw();
         }
     }
+
+    private void ButtonStrategyStep_Click(object sender, EventArgs e)
+    {
+        if (_drawningFighter == null)
+        {
+            return;
+        }
+
+        if (comboBoxStrategy.Enabled)
+        {
+            _strategy = comboBoxStrategy.SelectedIndex switch
+            {
+                0 => new MoveToCenter(),
+                1 => new MoveToBorder(),
+                _ => null,
+            };
+            if (_strategy == null)
+            {
+                return;
+            }
+            _strategy.SetData(new MoveableAir(_drawningFighter), pictureBoxAirFighter.Width, pictureBoxAirFighter.Height);
+        }
+
+        if (_strategy == null)
+        {
+            return;
+        }
+
+        comboBoxStrategy.Enabled = false;
+        _strategy.MakeStep();
+        Draw();
+
+        if (_strategy.GetStatus() == StrategyStatus.Finish)
+        {
+            comboBoxStrategy.Enabled = true;
+            _strategy = null;
+        }
+    }
 }

AirFighter/AirFighter/MovementStrategy/AbstractStrategy.cs

@@ -0,0 +1,139 @@
+namespace ProjectAirFighter.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;
+    }
+}

AirFighter/AirFighter/MovementStrategy/IMoveableObjectcs.cs

@@ -0,0 +1,24 @@
+namespace ProjectAirFighter.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);
+}

AirFighter/AirFighter/MovementStrategy/MoveToBorder.cs

@@ -0,0 +1,51 @@
+namespace ProjectAirFighter.MovementStrategy;
+
+public class MoveToBorder : AbstractStrategy
+{
+    protected override bool IsTargetDestinaion()
+    {
+        ObjectParameters? objParams = GetObjectParameters;
+        if (objParams == null)
+        {
+            return false;
+        }
+
+        return objParams.RightBorder <= FieldWidth && objParams.RightBorder + GetStep() >= FieldWidth &&
+            objParams.DownBorder <= 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();
+            }
+        }
+    }
+}

AirFighter/AirFighter/MovementStrategy/MoveToCenter.cs

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

AirFighter/AirFighter/MovementStrategy/MoveableAir.cs

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

AirFighter/AirFighter/MovementStrategy/MovementDirection.cs

@@ -0,0 +1,24 @@
+namespace ProjectAirFighter.MovementStrategy;
+
+public enum MovementDirection
+{
+    /// <summary>
+    /// Вверх
+    /// </summary>
+    Up = 1,
+
+    /// <summary>
+    /// Вниз
+    /// </summary>
+    Down = 2,
+
+    /// <summary>
+    /// Влево
+    /// </summary>
+    Left = 3,
+
+    /// <summary>
+    /// Вправо
+    /// </summary>
+    Right = 4
+}

AirFighter/AirFighter/MovementStrategy/ObjectParameters.cs

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

AirFighter/AirFighter/MovementStrategy/StrategyStatus.cs

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