Лабораторная работа 2

lab_0/Drawnings/DirectionType.cs

@@ -1,4 +1,4 @@
-namespace ProjectBus. Drawings;
+namespace ProjectBus. Drawnings;
 
 /// <summary>
 /// Направление перемещения
@@ -6,6 +6,11 @@
 
 public enum DirectionType
 {
+    /// <summary>
+    /// Вверх
+    /// </summary>
+    Unknow = -1,
+
     /// <summary>
     /// Вверх
     /// </summary>

lab_0/Drawnings/DrawningBus.cs

@@ -57,8 +57,6 @@ public class DrawningBus : DrawningSimpleBus
             g.DrawEllipse(pen, _startPosX.Value + 250, _startPosY.Value + 40, 20, 20);
         }
 
-        _startPosX += 0;
-        _startPosY += 0;
         base.DrawTransport(g);
 
 

lab_0/Drawnings/DrawningSimpleBus.cs

@@ -1,4 +1,4 @@
-using ProjectBus.Drawings;
+using ProjectBus.Drawnings;
 using ProjectBus.Entities;
 
 namespace ProjectBus.Drawnings;
@@ -30,7 +30,6 @@ public class DrawningSimpleBus
     /// </summary>
     protected int? _startPosY;
 
-
     /// <summary>
     /// Ширина прорисовки автобуса
     /// /// </summary> 
@@ -41,6 +40,23 @@ public class DrawningSimpleBus
     /// </summary>
     private readonly int _drawningBusHeight = 52;
 
+    /// <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 => _drawningBusWidth;
+    /// <summary>
+    /// Высота объекта
+    /// </summary>
+    public int GetHeight => _drawningBusHeight;
+
     /// <summary>
     /// Пустой конструктор
     /// </summary>

lab_0/FormBus.Designer.cs

@@ -35,6 +35,8 @@
             buttonUp = new Button();
             buttonDown = new Button();
             buttonCreateSimpleBus = new Button();
+            comboBoxStrategy = new ComboBox();
+            buttonStrategyStep = new Button();
             ((System.ComponentModel.ISupportInitialize)pictureBoxBus).BeginInit();
             SuspendLayout();
             // 
@@ -117,11 +119,33 @@
             buttonCreateSimpleBus.UseVisualStyleBackColor = true;
             buttonCreateSimpleBus.Click += buttonCreateSimpleBus_Click;
             // 
+            // comboBoxStrategy
+            // 
+            comboBoxStrategy.DropDownStyle = ComboBoxStyle.DropDownList;
+            comboBoxStrategy.FormattingEnabled = true;
+            comboBoxStrategy.Items.AddRange(new object[] { "К центру", "К краю" });
+            comboBoxStrategy.Location = new Point(901, 12);
+            comboBoxStrategy.Name = "comboBoxStrategy";
+            comboBoxStrategy.Size = new Size(242, 40);
+            comboBoxStrategy.TabIndex = 9;
+            // 
+            // buttonStrategyStep
+            // 
+            buttonStrategyStep.Location = new Point(993, 58);
+            buttonStrategyStep.Name = "buttonStrategyStep";
+            buttonStrategyStep.Size = new Size(150, 46);
+            buttonStrategyStep.TabIndex = 10;
+            buttonStrategyStep.Text = "Шаг";
+            buttonStrategyStep.UseVisualStyleBackColor = true;
+            buttonStrategyStep.Click += buttonStrategyStep_Click;
+            // 
             // FormBus
             // 
             AutoScaleDimensions = new SizeF(13F, 32F);
             AutoScaleMode = AutoScaleMode.Font;
             ClientSize = new Size(1155, 557);
+            Controls.Add(buttonStrategyStep);
+            Controls.Add(comboBoxStrategy);
             Controls.Add(buttonCreateSimpleBus);
             Controls.Add(buttonDown);
             Controls.Add(buttonUp);
@@ -143,5 +167,7 @@
         private Button buttonUp;
         private Button buttonDown;
         private Button buttonCreateSimpleBus;
+        private ComboBox comboBoxStrategy;
+        private Button buttonStrategyStep;
     }
 }

lab_0/FormBus.cs

@@ -1,5 +1,5 @@
-using ProjectBus.Drawings;
+using ProjectBus.Drawnings;
-using ProjectBus.Drawnings;
+using ProjectBus.MovementStrategy;
 using System;
 using System.Collections.Generic;
 using System.ComponentModel;
@@ -10,17 +10,35 @@ using System.Text;
 using System.Threading.Tasks;
 using System.Windows.Forms;
 
-namespace ProjectBus
+namespace ProjectBus;
-{
+/// <summary>
+/// форма работы с объектом "Автобус"
+/// </summary>
 public partial class FormBus : Form
 {
+    /// <summary>
+    /// поле-объект для прорисовки объекта
+    /// </summary>
     private DrawningSimpleBus? _drawningSimpleBus;
 
+    /// <summary>
+    /// Стратегия перемещения
+    /// </summary>
+    private AbstractStrategy? _strategy;
+
+
+    /// <summary>
+    /// конструктор формы
+    /// </summary>
     public FormBus()
     {
         InitializeComponent();
+        _strategy = null;
     }
 
+    /// <summary>
+    /// метод прорисовки машины
+    /// </summary>
     private void Draw()
     {
         if (_drawningSimpleBus == null)
@@ -59,6 +77,8 @@ namespace ProjectBus
 
         _drawningSimpleBus.SetPictureSize(pictureBoxBus.Width, pictureBoxBus.Height);
         _drawningSimpleBus.SetPosition(random.Next(10, 100), random.Next(10, 100));
+        _strategy = null;
+        comboBoxStrategy.Enabled = true;
 
         Draw();
     }
@@ -113,6 +133,49 @@ namespace ProjectBus
             Draw();
         }
     }
+
+    /// <summary>
+    /// 
+    /// </summary>
+    /// <param name="sender"></param>
+    /// <param name="e"></param>
+    private void buttonStrategyStep_Click(object sender, EventArgs e)
+    {
+        if (_drawningSimpleBus == null)
+        {
+            return;
+        }
+
+        if (comboBoxStrategy.Enabled)
+        {
+            _strategy = comboBoxStrategy.SelectedIndex switch
+            {
+                0 => new MoveToCenter(),
+                1 => new MoveToBorder(),
+                _ => null,
+            };
+            if (_strategy == null)
+            {
+                return;
+            }
+            _strategy.SetData(new MoveableSimpleBus(_drawningSimpleBus), pictureBoxBus.Width, pictureBoxBus.Height);
+        }
+
+        if (_strategy == null)
+        {
+            return;
+        }
+
+        comboBoxStrategy.Enabled = false;
+        _strategy.MakeStep();
+        Draw();
+
+        if (_strategy.GetStatus() == StrategyStatus.Finish)
+        {
+            comboBoxStrategy.Enabled = true;
+            _strategy = null;
+        }
     }
 }
 
+

lab_0/MovementStrategy/AbstractStrategy.cs

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

lab_0/MovementStrategy/IMoveableObject.cs

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

lab_0/MovementStrategy/MoveToBorder.cs

@@ -0,0 +1,57 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ProjectBus.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.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();
+            }
+        }
+    }
+}

lab_0/MovementStrategy/MoveToCenter.cs

@@ -0,0 +1,55 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ProjectBus.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();
+            }
+        }
+    }
+}

lab_0/MovementStrategy/MoveableSimpleBus.cs

@@ -0,0 +1,66 @@
+using ProjectBus.Drawnings;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ProjectBus.MovementStrategy;
+
+/// <summary>
+/// Класс-реализация IMoveableObject с использованием DrawingSimpleBus
+/// </summary>
+
+public class MoveableSimpleBus : IMoveableObject
+{
+    // <summary>
+    /// Поле-объект класса DrawningTrans или его наследника
+    /// </summary>
+    private readonly DrawningSimpleBus? _simplebus = null;
+
+    /// <summary>
+    /// Конструктор
+    /// </summary>
+    /// <param name="simplebus">Объект класса DrawningSimpleBus</param>
+    public MoveableSimpleBus(DrawningSimpleBus simplebus)
+    {
+        _simplebus = simplebus;
+    }
+
+    public ObjectParameters? GetObjectPosition
+    {
+        get
+        {
+            if (_simplebus == null || _simplebus.EntitySimpleBus == null || !_simplebus.GetPosX.HasValue || !_simplebus.GetPosY.HasValue)
+            {
+                return null;
+            }
+            return new ObjectParameters(_simplebus.GetPosX.Value, _simplebus.GetPosY.Value, _simplebus.GetWidth, _simplebus.GetHeight);
+        }
+    }
+    public int GetStep => (int)(_simplebus?.EntitySimpleBus ?.Step ?? 0);
+    public bool TryMoveObject(MovementDirection direction)
+    {
+        if (_simplebus == null || _simplebus.EntitySimpleBus == null)
+        {
+            return false;
+        }
+        return _simplebus.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,
+        };
+    }
+}

lab_0/MovementStrategy/MovementDirection.cs

@@ -0,0 +1,28 @@
+namespace ProjectBus.MovementStrategy;
+
+/// <summary>
+/// Направление перемещения
+/// </summary>
+public enum MovementDirection
+{
+    /// <summary>
+    /// Неизвестное направление
+    /// </summary>
+    Unknow = -1,
+    /// <summary>
+    /// Вверх
+    /// </summary>
+    Up = 1,
+    /// <summary>
+    /// Вниз
+    /// </summary>
+    Down = 2,
+    /// <summary>
+    /// Влево
+    /// </summary>
+    Left = 3,
+    /// <summary>
+    /// Вправо
+    /// </summary>
+    Right = 4
+}

lab_0/MovementStrategy/ObjectParameters.cs

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

lab_0/MovementStrategy/StrategyStatus.cs

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