Лабораторная работа №2

Battleship/Battleship/Drawings/DirectionType.cs

@@ -4,6 +4,11 @@
 /// </summary>
 public enum DirectionType
 {
+    /// <summary>
+    /// Неизвестное направление
+    /// </summary>
+    Unknow = -1,
+
     /// <summary>
     /// Вверх
     /// </summary>

Battleship/Battleship/Drawings/DrawingBattleship.cs

@@ -21,7 +21,7 @@ public class DrawingBattleship : DrawingWarship
 
     public DrawingBattleship(int speed, double weight, Color bodyColor, Color additionalColor, bool bodyDeck, bool compartment, bool tower) : base(129, 60)
     {
-        //Warship = new EntityBattleship(speed, weight, bodyColor, compartment, tower, bodyDeck, additionalColor);
+        EntityWarship = new EntityBattleship(speed, weight, bodyColor, compartment, tower, bodyDeck, additionalColor);
     }
 
     public override void DrawTransport(Graphics g)

Battleship/Battleship/Drawings/DrawingWarship.cs

@@ -39,6 +39,26 @@ public class DrawingWarship
     /// </summary>
     private readonly int _drawingWarshipHeight = 40;
 
+    /// <summary>
+    /// Координата Х объекта
+    /// </summary>
+    public int? GetPosX => _startPosX;
+
+    /// <summary>
+    /// Координата Y объекта
+    /// </summary>
+    public int? GetPosY => _startPosY;
+
+    /// <summary>
+    /// Ширина объекта
+    /// </summary>
+    public int GetWidth => _drawingWarshipWidth;
+
+    /// <summary>
+    /// Высота объекта
+    /// </summary>
+    public int GetHeight => _drawingWarshipHeight;
+
     /// <summary>
     /// Пустой конструктор
     /// </summary>
@@ -73,7 +93,7 @@ public class DrawingWarship
     }
 
     /// <summary>
-    /// 
+    /// Установка границ поля
     /// </summary>
     /// <param name="width">Ширина поля</param>
     /// <param name="height">Высота поля</param>

Battleship/Battleship/Entities/EntityBattleship.cs

@@ -3,12 +3,8 @@
 /// <summary>
 /// Класс-сущность Линкор
 /// </summary>
-internal class EntityBattleship : EntityWarship
+public class EntityBattleship : EntityWarship
 {
-    public EntityBattleship(int speed, double weight, Color bodyColor) : base(speed, weight, bodyColor)
-    {
-    }
-
     /// <summary>
     /// Скорость
     /// </summary>
@@ -45,14 +41,13 @@ internal class EntityBattleship : EntityWarship
     /// </summary>
     public double Step => Speed * 100 / Weight;
 
-
     /// <summary>
     /// Инициализация полей объекта-класса линкора
     /// </summary>
     /// <param name="speed"></param>
     /// <param name="weight"></param>
     /// <param name="bodyColor"></param>
-    public void EntityWarship(int speed, double weight, Color bodyColor, bool compartment, bool tower, bool bodyDeck, Color additionalColor)
+    public EntityBattleship(int speed, double weight, Color bodyColor, bool compartment, bool tower, bool bodyDeck, Color additionalColor) : base(speed, weight, bodyColor)
     {
         Speed = speed;
         Weight = weight;

Battleship/Battleship/FormBattleship.Designer.cs

@@ -35,6 +35,8 @@ partial class FormBattleship
         buttonRight = new Button();
         buttonUp = new Button();
         buttonCreateWarshit = new Button();
+        comboBoxStrategy = new ComboBox();
+        buttonStrategyStep = new Button();
         ((System.ComponentModel.ISupportInitialize)pictureBoxBattleship).BeginInit();
         SuspendLayout();
         // 
@@ -116,11 +118,35 @@ partial class FormBattleship
         buttonCreateWarshit.UseVisualStyleBackColor = true;
         buttonCreateWarshit.Click += buttonCreateWarshit_Click;
         // 
+        // comboBoxStrategy
+        // 
+        comboBoxStrategy.Anchor = AnchorStyles.Top | AnchorStyles.Right;
+        comboBoxStrategy.DropDownStyle = ComboBoxStyle.DropDownList;
+        comboBoxStrategy.FormattingEnabled = true;
+        comboBoxStrategy.Items.AddRange(new object[] { "К центру", "К краю" });
+        comboBoxStrategy.Location = new Point(795, 12);
+        comboBoxStrategy.Name = "comboBoxStrategy";
+        comboBoxStrategy.Size = new Size(151, 28);
+        comboBoxStrategy.TabIndex = 6;
+        // 
+        // buttonStrategyStep
+        // 
+        buttonStrategyStep.Anchor = AnchorStyles.Top | AnchorStyles.Right;
+        buttonStrategyStep.Location = new Point(851, 56);
+        buttonStrategyStep.Name = "buttonStrategyStep";
+        buttonStrategyStep.Size = new Size(94, 29);
+        buttonStrategyStep.TabIndex = 7;
+        buttonStrategyStep.Text = "Шаг";
+        buttonStrategyStep.UseVisualStyleBackColor = true;
+        buttonStrategyStep.Click += buttonStrategyStep_Click;
+        // 
         // FormBattleship
         // 
         AutoScaleDimensions = new SizeF(8F, 20F);
         AutoScaleMode = AutoScaleMode.Font;
         ClientSize = new Size(957, 559);
+        Controls.Add(buttonStrategyStep);
+        Controls.Add(comboBoxStrategy);
         Controls.Add(buttonCreateWarshit);
         Controls.Add(buttonUp);
         Controls.Add(buttonRight);
@@ -143,4 +169,6 @@ partial class FormBattleship
     private Button buttonUp;
     private Button buttonLeft;
     private Button buttonCreateWarshit;
+    private ComboBox comboBoxStrategy;
+    private Button buttonStrategyStep;
 }

Battleship/Battleship/FormBattleship.cs

@@ -1,4 +1,5 @@
 using Battleship.Drawings;
+using Battleship.MovementStrategy;
 
 namespace Battleship;
 /// <summary>
@@ -11,9 +12,18 @@ public partial class FormBattleship : Form
     /// </summary>
     private DrawingWarship? _drawingWarship; //поля с нижнего подчеркивания
 
+    /// <summary>
+    /// Стратегия перемещения
+    /// </summary>
+    private AbstractStrategy? _strategy;
+
+    /// <summary>
+    /// Конструктор формы
+    /// </summary>
     public FormBattleship()
     {
         InitializeComponent();
+        _strategy = null;
     }
     /// <summary>
     /// Метод прорисовки машины
@@ -54,6 +64,8 @@ public partial class FormBattleship : Form
 
         _drawingWarship.SetPictureSize(pictureBoxBattleship.Width, pictureBoxBattleship.Height);
         _drawingWarship.SetPosition(random.Next(10, 100), random.Next(10, 100), pictureBoxBattleship.Width, pictureBoxBattleship.Height);
+        _strategy = null;
+        comboBoxStrategy.Enabled = true;
         Draw();
     }
 
@@ -79,6 +91,11 @@ public partial class FormBattleship : Form
 
     }
 
+    /// <summary>
+    /// кнопки вверх/вниз/влево/вправо 
+    /// </summary>
+    /// <param name="sender"></param>
+    /// <param name="e"></param>
     private void buttonMove_Click(object sender, EventArgs e)
     {
         if (_drawingWarship == null)
@@ -109,4 +126,44 @@ public partial class FormBattleship : Form
             Draw();
         }
     }
+
+    private void buttonStrategyStep_Click(object sender, EventArgs e)
+    {
+        if (_drawingWarship == null)
+        {
+            return;
+        }
+
+        if (comboBoxStrategy.Enabled)
+        {
+            _strategy = comboBoxStrategy.SelectedIndex
+            switch
+            {
+                0 => new MoveToCenter(),
+                1 => new MoveToBorder(),
+                _ => null,
+            };
+
+            if (_strategy == null)
+            {
+                return;
+            }
+            _strategy.SetData(new MoveableWarship(_drawingWarship),
+            pictureBoxBattleship.Width, pictureBoxBattleship.Height);
+        }
+
+        if (_strategy == null)
+        {
+            return;
+        }
+        comboBoxStrategy.Enabled = false;
+         _strategy.MakeStep();
+         Draw();
+
+         if (_strategy.GetStatus() == StrategyStatus.Finish)
+         {
+            comboBoxStrategy.Enabled = true;
+            _strategy = null;
+         }
+    }
 }

Battleship/Battleship/MovementStrategy/AbstractStrategy.cs

@@ -0,0 +1,137 @@
+namespace Battleship.MovementStrategy;
+
+public abstract class AbstractStrategy
+{
+    /// <summary>
+    /// Перемещаемый объект
+    /// </summary>
+    private IMoveableObjectcs? _moveableObjects;
+
+    /// <summary>
+    /// Статус перемещения
+    /// </summary>
+    private StrategyStatus _state = StrategyStatus.NotIInit;
+
+    /// <summary>
+    /// Ширина поля
+    /// </summary>
+    protected int FieldWidth {  get; private set; }
+
+    /// <summary>
+    /// Высота поля
+    /// </summary>
+    protected int FieldHeight { get; private set;}
+
+    /// <summary>
+    /// Статус перемещения
+    /// </summary>
+    /// <returns></returns>
+    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 moveableObjectcs, int width, int height)
+    {
+        if (moveableObjectcs == null)
+        {
+            _state = StrategyStatus.NotIInit;
+            return;
+        }
+
+        _state = StrategyStatus.InProgress;
+        _moveableObjects = moveableObjectcs;
+        FieldWidth = width;
+        FieldHeight = height;
+    }
+
+    /// <summary>
+    /// Шаг перемещения
+    /// </summary>
+    public void MakeStep()
+    {
+        if (_state != StrategyStatus.InProgress)
+        {
+            return;
+        }
+
+        if (IsTargetDestination())
+        {
+            _state = StrategyStatus.Finish;
+            return;
+        }
+
+        MoveToTarget();
+    }
+
+    /// <summary>
+    /// Перемещение влево
+    /// </summary>
+    /// <returns></returns>
+    protected bool MoveLeft() => MoveTo(MovementDirection.Left);
+
+    /// <summary>
+    /// Перемещение вправо
+    /// </summary>
+    /// <returns></returns>
+    protected bool MoveRight() => MoveTo(MovementDirection.Right);
+
+    /// <summary>
+    /// Перемещение вверх
+    /// </summary>
+    /// <returns></returns>
+    protected bool MoveUp() => MoveTo(MovementDirection.Up);
+
+    /// <summary>
+    /// Перемещение вниз
+    /// </summary>
+    /// <returns></returns>
+    protected bool MoveDown() => MoveTo(MovementDirection.Down);
+
+    /// <summary>
+    /// Параметры объекта
+    /// </summary>
+    protected ObjectParameters? GetObjectParameters => _moveableObjects?.GetObjectPosition;
+
+    /// <summary>
+    /// Шаг объекта
+    /// </summary>
+    /// <returns></returns>
+    protected int? GetStep()
+    {
+        if (_state != StrategyStatus.InProgress)
+        {
+            return null;
+        }
+        return _moveableObjects?.GetStep;
+    }
+
+    /// <summary>
+    /// Перемещение к цели
+    /// </summary>
+    protected abstract void MoveToTarget();
+
+    /// <summary>
+    /// Достигнута ли цель
+    /// </summary>
+    /// <returns></returns>
+    protected abstract bool IsTargetDestination();
+
+    /// <summary>
+    /// Попытка перемещения в требуемом направлении 
+    /// </summary>
+    /// <param name="movementDirection"></param>
+    /// <returns></returns>
+    private bool MoveTo(MovementDirection movementDirection)
+    {
+        if (_state != StrategyStatus.InProgress)
+        {
+            return false;
+        }
+
+        return _moveableObjects?.TryMoveObject(movementDirection) ?? false;
+    }
+}

Battleship/Battleship/MovementStrategy/IMoveableObjectcs.cs

@@ -0,0 +1,21 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Battleship.MovementStrategy;
+
+public interface IMoveableObjectcs
+{
+    ObjectParameters? GetObjectPosition {  get; }
+
+    int GetStep {  get; }
+
+    /// <summary>
+    /// Шаг объекта
+    /// </summary>
+    /// <param name="direction">Направление</param>
+    /// <returns>true - объект перемещен, false - перемещение невозможно</returns>
+    bool TryMoveObject(MovementDirection direction);
+}

Battleship/Battleship/MovementStrategy/MoveToBorder.cs

@@ -0,0 +1,40 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Battleship.MovementStrategy;
+
+public class MoveToBorder : AbstractStrategy
+{
+    protected override bool IsTargetDestination()
+    {
+        var objParams = GetObjectParameters;
+        if (objParams == null)
+        {
+            return false;
+        }
+        return objParams.RightBorder + GetStep() >= FieldWidth &&
+        objParams.DownBorder + GetStep() >= FieldHeight;
+    }
+
+    protected override void MoveToTarget()
+    {
+        var objParams = GetObjectParameters;
+        if (objParams == null)
+        {
+            return;
+        }
+        var diffX = objParams.RightBorder - FieldWidth;
+        if (Math.Abs(diffX) > GetStep())
+        {
+            MoveRight();
+        }
+        var diffY = objParams.DownBorder - FieldHeight;
+        if (Math.Abs(diffY) > GetStep())
+        {
+            MoveDown();
+        }
+    }
+}

Battleship/Battleship/MovementStrategy/MoveToCenter.cs

@@ -0,0 +1,61 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Battleship.MovementStrategy;
+
+/// <summary>
+/// Стратегия перемещения объекта в центр экрана
+/// </summary>
+public class MoveToCenter : AbstractStrategy
+{
+    protected override bool IsTargetDestination()
+    {
+        ObjectParameters? objParams = GetObjectParameters;
+        if (objParams != null )
+        {
+            return false;
+        }
+
+        return objParams.ObjectMiddleHorizontall - GetStep() <= FieldWidth / 2 && objParams.ObjectMiddleHorizontall + 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.ObjectMiddleHorizontall - 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();
+            }
+        }
+    }
+}

Battleship/Battleship/MovementStrategy/MoveableWarship.cs

@@ -0,0 +1,64 @@
+using Battleship.Drawings;
+
+namespace Battleship.MovementStrategy;
+
+/// <summary>
+/// Класс-реализация IMoveableObjectcs с использованием DrawingWarship
+/// </summary>
+public class MoveableWarship : IMoveableObjectcs
+{
+    /// <summary>
+    /// Gле-объект класса DrawingWarship или его наследника
+    /// </summary>
+    private DrawingWarship? _warship = null; 
+
+    /// <summary>
+    /// Конструктор
+    /// </summary>
+    /// <param name="warship"></param>
+    public MoveableWarship(DrawingWarship warship)
+    {
+        _warship = warship;
+    }
+
+    public ObjectParameters? GetObjectPosition
+    {
+        get
+        {
+            if (_warship == null || _warship.EntityWarship == null || !_warship.GetPosX.HasValue || !_warship.GetPosY.HasValue)
+            {
+                return null;
+            }
+            return new ObjectParameters(_warship.GetPosX.Value, _warship.GetPosY.Value, _warship.GetWidth, _warship.GetHeight);
+        }
+    }
+
+    public int GetStep => (int)(_warship?.EntityWarship?.Step ?? 0);
+
+    public bool TryMoveObject(MovementDirection direction)
+    {
+        if (_warship == null || _warship.EntityWarship == null)
+        {
+            return false;
+        }
+
+        return _warship.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,
+        };
+    }
+}

Battleship/Battleship/MovementStrategy/MovementDirection.cs

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

Battleship/Battleship/MovementStrategy/ObjectParameters.cs

@@ -0,0 +1,72 @@
+namespace Battleship.MovementStrategy;
+
+/// <summary>
+/// Параметры-координаты объекта
+/// </summary>
+public class ObjectParameters
+{
+    /// <summary>
+    /// Координата Х
+    /// </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 ObjectMiddleHorizontall => _x + _width / 2;
+
+    /// <summary>
+    /// Середина объекта 
+    /// </summary>
+    public int ObjectMiddleVertical => _y + _height / 2;
+
+    /// <summary>
+    /// Конструктор
+    /// </summary>
+    /// <param name="x">Координата Х</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;
+    }
+}

Battleship/Battleship/MovementStrategy/StrategyStatus.cs

@@ -0,0 +1,22 @@
+namespace Battleship.MovementStrategy;
+
+/// <summary>
+/// Статус выполнения операции перемещения
+/// </summary>
+public enum StrategyStatus
+{
+    /// <summary>
+    /// Все готово к началу
+    /// </summary>
+    NotIInit,
+
+    /// <summary>
+    /// Выполняется
+    /// </summary>
+    InProgress,
+
+    /// <summary>
+    /// Завершено
+    /// </summary>
+    Finish
+}