lab1/AbstractStrategy.cs

@@ -0,0 +1,79 @@
+namespace ElectricLocomotive;
+
+public abstract class AbstractStrategy
+{
+    private IMoveableObject? _moveableObject;
+
+    private Status _state = Status.NotInit;
+
+    protected int FieldWidth { get; private set; }
+
+    protected int FieldHeight { get; private set; }
+
+    public Status GetStatus() { return _state; }
+
+    public void SetData(IMoveableObject moveableObject, int width, int height)
+    {
+        if (moveableObject == null)
+        {
+            _state = Status.NotInit;
+            return;
+        }
+        _state = Status.InProgress;
+        _moveableObject = moveableObject;
+        FieldWidth = width;
+        FieldHeight = height;
+    }
+
+    public void MakeStep()
+    {
+        if (_state != Status.InProgress)
+        {
+            return;
+        }
+        if (IsTargetDestinaion())
+        {
+            _state = Status.Finish;
+            return;
+        }
+        MoveToTarget();
+    }
+
+    protected bool MoveLeft() => MoveTo(DirectionType.Left);
+
+    protected bool MoveRight() => MoveTo(DirectionType.Right);
+
+    protected bool MoveUp() => MoveTo(DirectionType.Up);
+
+    protected bool MoveDown() => MoveTo(DirectionType.Down);
+
+    protected ObjectParameters? GetObjectParameters =>
+_moveableObject?.GetObjectPosition;
+
+    protected int? GetStep()
+    {
+        if (_state != Status.InProgress)
+        {
+            return null;
+        }
+        return _moveableObject?.GetStep;
+    }
+
+    protected abstract void MoveToTarget();
+
+    protected abstract bool IsTargetDestinaion();
+
+    private bool MoveTo(DirectionType directionType)
+    {
+        if (_state != Status.InProgress)
+        {
+            return false;
+        }
+        if (_moveableObject?.CheckCanMove(directionType) ?? false)
+        {
+            _moveableObject.MoveObject(directionType);
+            return true;
+        }
+        return false;
+    }
+}

lab1/DrawingElectricLocomotiv.cs

@@ -0,0 +1,28 @@
+namespace ElectricLocomotive;
+
+public class DrawingElectricLocomotiv : DrawingLocomotiv
+{
+    public DrawingElectricLocomotiv(int speed, double weight, int width, int height) : base(speed, weight, width,
+        height)
+    {
+        if (EntityLocomotiv != null)
+        {
+            EntityLocomotiv = new EntityElectricLocomotiv(speed, weight, Color.Crimson, Color.Blue);
+        }
+    }
+
+    public override void DrawLoco(Graphics g)
+    {
+        if (EntityLocomotiv == null) return;
+        base.DrawLoco(g);
+        if (EntityLocomotiv is not EntityElectricLocomotiv electricLocomotiv) return;
+        SolidBrush batteryBrush = new(electricLocomotiv.BatteryColor);
+        Pen rogaPen = new(electricLocomotiv.RogaColor);
+        //Roga
+        g.DrawLine(rogaPen, new Point(_startPosX + _vehicleWidth / 2, _startPosY + 30), new Point(_startPosX + _vehicleWidth / 2 + 10, _startPosY + 15));
+        g.DrawLine(rogaPen, new Point(_startPosX + _vehicleWidth / 2 + 10, _startPosY + 15), new Point(_startPosX + _vehicleWidth / 2, _startPosY));
+        //battery
+        Point[] batteryPoints = { new Point(_startPosX + _vehicleWidth - 10,_startPosY + _vehicleHeight - 25), new Point(_startPosX + _vehicleWidth, _startPosY + _vehicleHeight - 20), new Point(_startPosX + _vehicleWidth, _startPosY + _vehicleHeight - 55), new Point(_startPosX + _vehicleWidth - 10, _startPosY + _vehicleHeight - 50) };
+        g.FillPolygon(batteryBrush, batteryPoints);
+    }
+}

lab1/DrawingLocomotiv.cs

@@ -10,24 +10,47 @@ namespace ElectricLocomotive
 {
     public class DrawingLocomotiv
     {
-        public EntityLocomotiv? EntityLocomotiv { get; private set; }
-        private int _pictureWidth;
-        private int _pictureHeight;
-        private int _startPosX;
-        private int _startPosY;
-        private readonly int _vehicleWidth = 170;
-        private readonly int _vehicleHeight = 110;
-
-        public bool Init(int speed, double weight,int width,int height)
+        public EntityLocomotiv? EntityLocomotiv { get; protected set; }
+        protected int _pictureWidth;
+        protected int _pictureHeight;
+        public int GetPosX => _startPosX;
+        public int GetPosY => _startPosY;
+        public int GetWidth => _vehicleWidth;
+        public int GetHeight => _vehicleHeight;
+        protected int _startPosX;
+        protected int _startPosY;
+        protected readonly int _vehicleWidth = 170;
+        protected readonly int _vehicleHeight = 110;
+        
+        public DrawingLocomotiv(int speed, double weight,int width,int height)
         {
             if (width <= _vehicleWidth || height <= _vehicleHeight) {
-                return false;
+                return;
             }
             _pictureWidth = width;
             _pictureHeight = height;
-            EntityLocomotiv = new EntityLocomotiv();
-            EntityLocomotiv.Init(speed, weight);
-            return true;
+            EntityLocomotiv = new EntityLocomotiv(speed, weight);
+        }
+        protected DrawingLocomotiv(int speed, double weight,int width,int height, int vehicleHeight, int vehicleWidth)
+        {
+            if (width <= _vehicleWidth || height <= _vehicleHeight) {
+                return;
+            }
+            _pictureWidth = width;
+            _pictureHeight = height;
+            EntityLocomotiv = new EntityLocomotiv(speed, weight);
+        }
+        public bool CanMove(DirectionType direction)
+        {
+            if (EntityLocomotiv == null)
+                return false;
+            return direction switch
+            {
+                DirectionType.Left => _startPosX - EntityLocomotiv.Step > 0,
+                DirectionType.Up => _startPosY - EntityLocomotiv.Step > 0,
+                DirectionType.Right => _startPosX + EntityLocomotiv.Step < _pictureWidth,
+                DirectionType.Down => _startPosY -+ EntityLocomotiv.Step < _pictureHeight
+            };
         }
         public void SetPosition(int x,int y)
         {
@@ -72,21 +95,18 @@ namespace ElectricLocomotive
                     break;
             }
         }
-        public void DrawLoco(Graphics g)
+        public virtual void DrawLoco(Graphics g)
         {
             if (EntityLocomotiv == null) return;
             Pen penBody = new(EntityLocomotiv.ColorBody, 3);
             Pen penWindow = new(EntityLocomotiv.ColorWindow, 3);
             SolidBrush doorBrush = new(EntityLocomotiv.ColorFillBody);
             Pen penWheel = new(EntityLocomotiv.ColorBody, 2);
-            SolidBrush batteryBrush = new(EntityLocomotiv.ColorBody);
+            
             //Body
             g.DrawRectangle(penBody, _startPosX, _startPosY + _vehicleHeight - 50, _vehicleWidth - 10, _vehicleHeight - 80);
             Point[] upBodyPoints = { new Point(_startPosX, _startPosY + 60), new Point(_startPosX + 10, _startPosY + 30), new Point(_startPosX + 150, _startPosY + 30), new Point(_startPosX + 160, _startPosY + 60) };
             g.DrawPolygon(penBody, upBodyPoints);
-            //Roga
-            g.DrawLine(penBody, new Point(_startPosX + _vehicleWidth / 2, _startPosY + 30), new Point(_startPosX + _vehicleWidth / 2 + 10, _startPosY + 15));
-            g.DrawLine(penBody, new Point(_startPosX + _vehicleWidth / 2 + 10, _startPosY + 15), new Point(_startPosX + _vehicleWidth / 2, _startPosY));
             //Door
             g.DrawRectangle(penBody, _startPosX + _vehicleWidth / 2 - 15, _startPosY + 45, _vehicleWidth / 10, _vehicleHeight / 2 - 10);
             g.FillRectangle(doorBrush, _startPosX + _vehicleWidth / 2 - 14, _startPosY + 46, _vehicleWidth / 10 - 1, _vehicleHeight / 2 - 12);
@@ -112,9 +132,6 @@ namespace ElectricLocomotive
                 g.DrawEllipse(penWheel, xWheel, yWheel, 20, 20);
                 xWheel += 40;
             }
-            //battery
-            Point[] batteryPoints = { new Point(_startPosX + _vehicleWidth - 10,_startPosY + _vehicleHeight - 25), new Point(_startPosX + _vehicleWidth, _startPosY + _vehicleHeight - 20), new Point(_startPosX + _vehicleWidth, _startPosY + _vehicleHeight - 55), new Point(_startPosX + _vehicleWidth - 10, _startPosY + _vehicleHeight - 50) };
-            g.FillPolygon(batteryBrush, batteryPoints);
         }
     }
 }

lab1/DrawingObjectLocomotiv.cs

@@ -0,0 +1,29 @@
+namespace ElectricLocomotive;
+
+public class DrawingObjectLocomotiv : IMoveableObject
+{
+    private readonly DrawingLocomotiv? _drawingLocomotiv = null;
+
+    public DrawingObjectLocomotiv(DrawingLocomotiv drawingLocomotiv)
+    {
+        _drawingLocomotiv = drawingLocomotiv;
+    }
+    public ObjectParameters? GetObjectPosition
+    {
+        get
+        {
+            if (_drawingLocomotiv == null || _drawingLocomotiv.EntityLocomotiv ==
+                null)
+            {
+                return null;
+            }
+            return new ObjectParameters(_drawingLocomotiv.GetPosX,
+                _drawingLocomotiv.GetPosY, _drawingLocomotiv.GetWidth, _drawingLocomotiv.GetHeight);
+        }
+    }
+    public int GetStep => (int)(_drawingLocomotiv?.EntityLocomotiv?.Step ?? 0);
+    public bool CheckCanMove(DirectionType direction) =>
+        _drawingLocomotiv?.CanMove(direction) ?? false;
+    public void MoveObject(DirectionType direction) =>
+        _drawingLocomotiv?.MoveTransport(direction);
+}

lab1/EntityElectricLocomotiv.cs

@@ -0,0 +1,12 @@
+namespace ElectricLocomotive;
+
+public class EntityElectricLocomotiv : EntityLocomotiv
+{
+    public Color BatteryColor { get; private set; }
+    public Color RogaColor { get; private set; }
+    public EntityElectricLocomotiv(int speed,double weight, Color batteryColor, Color rogaColor) : base(speed, weight)
+    {
+        BatteryColor = batteryColor;
+        RogaColor = rogaColor;
+    }
+}

lab1/EntityLocomotiv.cs

@@ -15,7 +15,8 @@ namespace ElectricLocomotive
         public readonly Color ColorBody = Color.Black;
         public readonly Color ColorWindow = Color.Blue;
         public readonly Color ColorFillBody = Color.White;
-        public void Init(int speed,double weight)
+        
+        public EntityLocomotiv(int speed,double weight)
         {
             Speed = speed;
             Weight = weight;

lab1/IMoveableObject.cs

@@ -0,0 +1,12 @@
+namespace ElectricLocomotive;
+
+public interface IMoveableObject
+{
+    ObjectParameters? GetObjectPosition { get; }
+
+    int GetStep { get; }
+
+    bool CheckCanMove(DirectionType direction);
+
+    void MoveObject(DirectionType direction);
+}

lab1/MainForm.Designer.cs

@@ -33,7 +33,10 @@
             moveDownButton = new Button();
             moveLeftButton = new Button();
             moveUpButton = new Button();
-            paintObjectButton = new Button();
+            paintLocoButton = new Button();
+            paintElectricLocoButton = new Button();
+            movesBox = new ComboBox();
+            moveButton = new Button();
             ((System.ComponentModel.ISupportInitialize)locoBox).BeginInit();
             SuspendLayout();
             // 
@@ -56,7 +59,7 @@
             moveRightButton.TabIndex = 4;
             moveRightButton.Text = "Вправо";
             moveRightButton.UseVisualStyleBackColor = true;
-            moveRightButton.Click += MoveButton_Click;
+            moveRightButton.Click += MoveSideButton_Click;
             // 
             // moveDownButton
             // 
@@ -67,7 +70,7 @@
             moveDownButton.TabIndex = 3;
             moveDownButton.Text = "Вниз";
             moveDownButton.UseVisualStyleBackColor = true;
-            moveDownButton.Click += MoveButton_Click;
+            moveDownButton.Click += MoveSideButton_Click;
             // 
             // moveLeftButton
             // 
@@ -78,7 +81,7 @@
             moveLeftButton.TabIndex = 2;
             moveLeftButton.Text = "Влево";
             moveLeftButton.UseVisualStyleBackColor = true;
-            moveLeftButton.Click += MoveButton_Click;
+            moveLeftButton.Click += MoveSideButton_Click;
             // 
             // moveUpButton
             // 
@@ -89,28 +92,60 @@
             moveUpButton.TabIndex = 1;
             moveUpButton.Text = "Вверх";
             moveUpButton.UseVisualStyleBackColor = true;
-            moveUpButton.Click += MoveButton_Click;
+            moveUpButton.Click += MoveSideButton_Click;
             // 
-            // paintObjectButton
+            // paintLocoButton
             // 
-            paintObjectButton.Location = new Point(36, 643);
-            paintObjectButton.Name = "paintObjectButton";
-            paintObjectButton.Size = new Size(161, 68);
-            paintObjectButton.TabIndex = 0;
-            paintObjectButton.Text = "Нарисовать";
-            paintObjectButton.UseVisualStyleBackColor = true;
-            paintObjectButton.Click += PaintObjectButton_click;
+            paintLocoButton.Location = new Point(36, 643);
+            paintLocoButton.Name = "paintLocoButton";
+            paintLocoButton.Size = new Size(179, 68);
+            paintLocoButton.TabIndex = 0;
+            paintLocoButton.Text = "Нарисовать локомотив";
+            paintLocoButton.UseVisualStyleBackColor = true;
+            paintLocoButton.Click += PaintLocoButton_click;
+            // 
+            // paintElectricLocoButton
+            // 
+            paintElectricLocoButton.Location = new Point(250, 647);
+            paintElectricLocoButton.Name = "paintElectricLocoButton";
+            paintElectricLocoButton.Size = new Size(189, 64);
+            paintElectricLocoButton.TabIndex = 5;
+            paintElectricLocoButton.Text = "Нарисовать электровоз";
+            paintElectricLocoButton.UseVisualStyleBackColor = true;
+            paintElectricLocoButton.Click += PaintElectricLocoButton_click;
+            // 
+            // movesBox
+            // 
+            movesBox.FormattingEnabled = true;
+            movesBox.Items.AddRange(new object[] { "Довести до края", "Довести до центра" });
+            movesBox.Location = new Point(1093, 12);
+            movesBox.Name = "movesBox";
+            movesBox.Size = new Size(151, 28);
+            movesBox.TabIndex = 6;
+            // 
+            // moveButton
+            // 
+            moveButton.Location = new Point(1093, 58);
+            moveButton.Name = "moveButton";
+            moveButton.Size = new Size(151, 29);
+            moveButton.TabIndex = 7;
+            moveButton.Text = "Шаг";
+            moveButton.UseVisualStyleBackColor = true;
+            moveButton.Click += MoveButton_Click;
             // 
             // MainForm
             // 
             AutoScaleDimensions = new SizeF(8F, 20F);
             AutoScaleMode = AutoScaleMode.Font;
             ClientSize = new Size(1265, 731);
+            Controls.Add(moveButton);
+            Controls.Add(movesBox);
+            Controls.Add(paintElectricLocoButton);
             Controls.Add(moveRightButton);
             Controls.Add(moveDownButton);
             Controls.Add(moveLeftButton);
             Controls.Add(moveUpButton);
-            Controls.Add(paintObjectButton);
+            Controls.Add(paintLocoButton);
             Controls.Add(locoBox);
             FormBorderStyle = FormBorderStyle.FixedSingle;
             Name = "MainForm";
@@ -122,11 +157,14 @@
         }
 
         #endregion
-        private Button paintObjectButton;
+        private Button paintLocoButton;
         private Button moveRightButton;
         private Button moveDownButton;
         private Button moveLeftButton;
         private Button moveUpButton;
         private PictureBox locoBox;
+        private Button paintElectricLocoButton;
+        private ComboBox movesBox;
+        private Button moveButton;
     }
 }

lab1/MainForm.cs

@@ -5,6 +5,7 @@ namespace ElectricLocomotive
     public partial class MainForm : Form
     {
         private DrawingLocomotiv? _drawingLocomotiv;
+        private AbstractStrategy _abstractStrategy;
         public MainForm()
         {
             InitializeComponent();
@@ -18,16 +19,23 @@ namespace ElectricLocomotive
             _drawingLocomotiv.DrawLoco(g);
             locoBox.Image = bmp;
         }
-        private void PaintObjectButton_click(object sender, EventArgs e)
+        private void PaintLocoButton_click(object sender, EventArgs e)
         {
             Random random = new();
-            _drawingLocomotiv = new DrawingLocomotiv();
-            _drawingLocomotiv.Init(random.Next(100, 300),random.Next(1000,3000),locoBox.Width,locoBox.Height);
+            _drawingLocomotiv = new DrawingLocomotiv(random.Next(100, 300), random.Next(1000, 3000), locoBox.Width, locoBox.Height);
             _drawingLocomotiv.SetPosition(random.Next(10, 100), random.Next(10, 100));
             Draw();
         }
 
-        private void MoveButton_Click(object sender, EventArgs e)
+        private void PaintElectricLocoButton_click(object sender, EventArgs e)
+        {
+            Random random = new();
+            _drawingLocomotiv = new DrawingElectricLocomotiv(random.Next(100, 300), random.Next(1000, 3000), locoBox.Width, locoBox.Height);
+            _drawingLocomotiv.SetPosition(random.Next(10, 100), random.Next(10, 100));
+            Draw();
+        }
+
+        private void MoveSideButton_Click(object sender, EventArgs e)
         {
             if (_drawingLocomotiv == null) return;
 
@@ -51,5 +59,40 @@ namespace ElectricLocomotive
             }
             Draw();
         }
+
+        private void MoveButton_Click(object sender, EventArgs e)
+        {
+            if (_drawingLocomotiv == null)
+                return;
+            if (movesBox.Enabled)
+            {
+                _abstractStrategy = movesBox.SelectedIndex
+                    switch
+                    {
+                        0 => new MoveToEdge(),
+                        1 => new MoveToCenter(),
+                        _ => null,
+                    } ;
+                if (_abstractStrategy == null)
+                {
+                    return;
+                }
+                _abstractStrategy.SetData(new
+                        DrawingObjectLocomotiv(_drawingLocomotiv), locoBox.Width,
+                    locoBox.Height);
+                movesBox.Enabled = false;
+            }
+            if (_abstractStrategy == null)
+            {
+                return;
+            }
+            _abstractStrategy.MakeStep();
+            Draw();
+            if (_abstractStrategy.GetStatus() == Status.Finish)
+            {
+                movesBox.Enabled = true;
+                _abstractStrategy = null;
+            }
+        }
     }
 }

lab1/MoveToCenter.cs

@@ -0,0 +1,50 @@
+namespace ElectricLocomotive;
+
+public class MoveToCenter : AbstractStrategy
+{
+    protected override bool IsTargetDestinaion()
+    {
+        var objParams = GetObjectParameters;
+        if (objParams == null)
+        {
+            return false;
+        }
+        return objParams.ObjectMiddleHorizontal <= FieldWidth / 2 &&
+               objParams.ObjectMiddleHorizontal + GetStep() >= FieldWidth / 2 &&
+               objParams.ObjectMiddleVertical <= FieldHeight / 2 &&
+               objParams.ObjectMiddleVertical + GetStep() >= FieldHeight / 2;
+    }
+
+    protected override void MoveToTarget()
+    {
+        var objParams = GetObjectParameters;
+        if (objParams == null)
+        {
+            return;
+        }
+        var diffX = objParams.ObjectMiddleHorizontal - FieldWidth / 2;
+        if (Math.Abs(diffX) > GetStep())
+        {
+            if (diffX > 0)
+            {
+                MoveLeft();
+            }
+            else
+            {
+                MoveRight();
+            }
+        }
+        var diffY = objParams.ObjectMiddleVertical - FieldHeight / 2;
+        if (Math.Abs(diffY) > GetStep())
+        {
+            if (diffY > 0)
+            {
+                MoveUp();
+            }
+            else
+            {
+                MoveDown();
+            }
+        }
+    }
+}

lab1/MoveToEdge.cs

@@ -0,0 +1,39 @@
+namespace ElectricLocomotive;
+
+public class MoveToEdge: AbstractStrategy
+{
+    protected override bool IsTargetDestinaion()
+    {
+        var objParams = GetObjectParameters;
+        if (objParams == null)
+        {
+            return false;
+        }
+        return objParams.RightBorder < FieldWidth && objParams.RightBorder + GetStep() >= FieldWidth;
+    }
+
+    protected override void MoveToTarget()
+    {
+        var objParams = GetObjectParameters;
+        if (objParams == null)
+        {
+            return;
+        }
+        var diffX = objParams.RightBorder - (FieldWidth-1);
+        if (Math.Abs(diffX) > GetStep())
+        {
+            if (diffX < 0)
+            {
+                MoveRight();
+            }
+        }
+        var diffY = objParams.DownBorder - (FieldHeight-1);
+        if (Math.Abs(diffY) > GetStep())
+        {
+            if (diffY < 0)
+            {
+                MoveDown();
+            }
+        }
+    }
+}

lab1/ObjectParameters.cs

@@ -0,0 +1,29 @@
+namespace ElectricLocomotive;
+
+public class ObjectParameters
+{
+    private readonly int _x;
+    private readonly int _y;
+    private readonly int _width;
+    private readonly int _height;
+        
+    public int LeftBorder => _x;
+        
+    public int TopBorder => _y;
+        
+    public int RightBorder => _x + _width;
+        
+    public int DownBorder => _y + _height;
+        
+    public int ObjectMiddleHorizontal => _x + _width / 2;
+        
+    public int ObjectMiddleVertical => _y + _height / 2;
+        
+    public ObjectParameters(int x, int y, int width, int height)
+    {
+        _x = x;
+        _y = y;
+        _width = width;
+        _height = height;
+    }
+}

lab1/Status.cs

@@ -0,0 +1,8 @@
+namespace ElectricLocomotive;
+
+public enum Status
+{
+    NotInit = 1,
+    InProgress = 2,
+    Finish = 3
+}