fix and end work

This commit is contained in:
Zara28 2022-10-05 10:12:04 +04:00
parent 42a7fe8911
commit da0640612c
7 changed files with 97 additions and 434 deletions

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@ -1,212 +0,0 @@
namespace ArmoredVehicle
{
partial class FormMap
{
/// <summary>
/// Required designer variable.
/// </summary>
private System.ComponentModel.IContainer components = null;
/// <summary>
/// Clean up any resources being used.
/// </summary>
/// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
protected override void Dispose(bool disposing)
{
if (disposing && (components != null))
{
components.Dispose();
}
base.Dispose(disposing);
}
#region Windows Form Designer generated code
/// <summary>
/// Required method for Designer support - do not modify
/// the contents of this method with the code editor.
/// </summary>
private void InitializeComponent()
{
this.ButtonDown = new System.Windows.Forms.Button();
this.ButtonRight = new System.Windows.Forms.Button();
this.ButtonLeft = new System.Windows.Forms.Button();
this.ButtonUp = new System.Windows.Forms.Button();
this.CreateButton = new System.Windows.Forms.Button();
this.DrawingPictureBox = new System.Windows.Forms.PictureBox();
this.toolStripStatusLabelSpeed = new System.Windows.Forms.ToolStripStatusLabel();
this.toolStripStatusLabelWeight = new System.Windows.Forms.ToolStripStatusLabel();
this.toolStripStatusLabelColor = new System.Windows.Forms.ToolStripStatusLabel();
this.statusStrip = new System.Windows.Forms.StatusStrip();
this.TankButton = new System.Windows.Forms.Button();
this.comboBoxSelectorMap = new System.Windows.Forms.ComboBox();
((System.ComponentModel.ISupportInitialize)(this.DrawingPictureBox)).BeginInit();
this.statusStrip.SuspendLayout();
this.SuspendLayout();
//
// ButtonDown
//
this.ButtonDown.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right)));
this.ButtonDown.BackgroundImage = global::ArmoredVehicle.Properties.Resources.arrowDown;
this.ButtonDown.BackgroundImageLayout = System.Windows.Forms.ImageLayout.Stretch;
this.ButtonDown.Location = new System.Drawing.Point(711, 373);
this.ButtonDown.Name = "ButtonDown";
this.ButtonDown.Size = new System.Drawing.Size(30, 30);
this.ButtonDown.TabIndex = 13;
this.ButtonDown.UseVisualStyleBackColor = true;
this.ButtonDown.Click += new System.EventHandler(this.ButtonMove_Click);
//
// ButtonRight
//
this.ButtonRight.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right)));
this.ButtonRight.BackgroundImage = global::ArmoredVehicle.Properties.Resources.arrowRight;
this.ButtonRight.BackgroundImageLayout = System.Windows.Forms.ImageLayout.Stretch;
this.ButtonRight.Location = new System.Drawing.Point(754, 326);
this.ButtonRight.Name = "ButtonRight";
this.ButtonRight.Size = new System.Drawing.Size(30, 30);
this.ButtonRight.TabIndex = 12;
this.ButtonRight.UseVisualStyleBackColor = true;
this.ButtonRight.Click += new System.EventHandler(this.ButtonMove_Click);
//
// ButtonLeft
//
this.ButtonLeft.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right)));
this.ButtonLeft.BackgroundImage = global::ArmoredVehicle.Properties.Resources.arrowLeft;
this.ButtonLeft.BackgroundImageLayout = System.Windows.Forms.ImageLayout.Stretch;
this.ButtonLeft.Location = new System.Drawing.Point(671, 328);
this.ButtonLeft.Name = "ButtonLeft";
this.ButtonLeft.Size = new System.Drawing.Size(30, 30);
this.ButtonLeft.TabIndex = 11;
this.ButtonLeft.UseVisualStyleBackColor = true;
this.ButtonLeft.Click += new System.EventHandler(this.ButtonMove_Click);
//
// ButtonUp
//
this.ButtonUp.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right)));
this.ButtonUp.BackgroundImage = global::ArmoredVehicle.Properties.Resources.arrowUp;
this.ButtonUp.BackgroundImageLayout = System.Windows.Forms.ImageLayout.Stretch;
this.ButtonUp.Location = new System.Drawing.Point(711, 278);
this.ButtonUp.Name = "ButtonUp";
this.ButtonUp.Size = new System.Drawing.Size(30, 30);
this.ButtonUp.TabIndex = 10;
this.ButtonUp.UseVisualStyleBackColor = true;
this.ButtonUp.Click += new System.EventHandler(this.ButtonMove_Click);
//
// CreateButton
//
this.CreateButton.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left)));
this.CreateButton.Location = new System.Drawing.Point(12, 362);
this.CreateButton.Name = "CreateButton";
this.CreateButton.Size = new System.Drawing.Size(112, 34);
this.CreateButton.TabIndex = 9;
this.CreateButton.Text = "Создать";
this.CreateButton.UseVisualStyleBackColor = true;
this.CreateButton.Click += new System.EventHandler(this.ButtonCreate_Click);
//
// DrawingPictureBox
//
this.DrawingPictureBox.Dock = System.Windows.Forms.DockStyle.Fill;
this.DrawingPictureBox.Location = new System.Drawing.Point(0, 0);
this.DrawingPictureBox.Name = "DrawingPictureBox";
this.DrawingPictureBox.Size = new System.Drawing.Size(800, 418);
this.DrawingPictureBox.SizeMode = System.Windows.Forms.PictureBoxSizeMode.AutoSize;
this.DrawingPictureBox.TabIndex = 7;
this.DrawingPictureBox.TabStop = false;
//
// toolStripStatusLabelSpeed
//
this.toolStripStatusLabelSpeed.Name = "toolStripStatusLabelSpeed";
this.toolStripStatusLabelSpeed.Size = new System.Drawing.Size(89, 25);
this.toolStripStatusLabelSpeed.Text = "Скорость";
//
// toolStripStatusLabelWeight
//
this.toolStripStatusLabelWeight.Name = "toolStripStatusLabelWeight";
this.toolStripStatusLabelWeight.Size = new System.Drawing.Size(39, 25);
this.toolStripStatusLabelWeight.Text = "Вес";
//
// toolStripStatusLabelColor
//
this.toolStripStatusLabelColor.Name = "toolStripStatusLabelColor";
this.toolStripStatusLabelColor.Size = new System.Drawing.Size(51, 25);
this.toolStripStatusLabelColor.Text = "Цвет";
//
// statusStrip
//
this.statusStrip.ImageScalingSize = new System.Drawing.Size(24, 24);
this.statusStrip.Items.AddRange(new System.Windows.Forms.ToolStripItem[] {
this.toolStripStatusLabelSpeed,
this.toolStripStatusLabelWeight,
this.toolStripStatusLabelColor});
this.statusStrip.Location = new System.Drawing.Point(0, 418);
this.statusStrip.Name = "statusStrip";
this.statusStrip.Size = new System.Drawing.Size(800, 32);
this.statusStrip.TabIndex = 8;
this.statusStrip.Text = "statusStrip1";
//
// TankButton
//
this.TankButton.Location = new System.Drawing.Point(139, 365);
this.TankButton.Name = "TankButton";
this.TankButton.Size = new System.Drawing.Size(143, 34);
this.TankButton.TabIndex = 14;
this.TankButton.Text = "Модификация";
this.TankButton.UseVisualStyleBackColor = true;
this.TankButton.Click += new System.EventHandler(this.TankButton_Click);
//
// comboBoxSelectorMap
//
this.comboBoxSelectorMap.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
this.comboBoxSelectorMap.FormattingEnabled = true;
this.comboBoxSelectorMap.Items.AddRange(new object[] {
"Простая карта",
"Горизонтальная карта",
"Вертикальная карта"});
this.comboBoxSelectorMap.Location = new System.Drawing.Point(13, 321);
this.comboBoxSelectorMap.Margin = new System.Windows.Forms.Padding(4, 5, 4, 5);
this.comboBoxSelectorMap.Name = "comboBoxSelectorMap";
this.comboBoxSelectorMap.Size = new System.Drawing.Size(171, 33);
this.comboBoxSelectorMap.TabIndex = 15;
this.comboBoxSelectorMap.SelectedIndexChanged += new System.EventHandler(this.comboBoxSelectorMap_SelectedIndexChanged_1);
//
// FormMap
//
this.AutoScaleDimensions = new System.Drawing.SizeF(10F, 25F);
this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
this.ClientSize = new System.Drawing.Size(800, 450);
this.Controls.Add(this.comboBoxSelectorMap);
this.Controls.Add(this.TankButton);
this.Controls.Add(this.ButtonDown);
this.Controls.Add(this.ButtonRight);
this.Controls.Add(this.ButtonLeft);
this.Controls.Add(this.ButtonUp);
this.Controls.Add(this.CreateButton);
this.Controls.Add(this.DrawingPictureBox);
this.Controls.Add(this.statusStrip);
this.MinimumSize = new System.Drawing.Size(210, 50);
this.Name = "FormMap";
this.Text = "Карта";
((System.ComponentModel.ISupportInitialize)(this.DrawingPictureBox)).EndInit();
this.statusStrip.ResumeLayout(false);
this.statusStrip.PerformLayout();
this.ResumeLayout(false);
this.PerformLayout();
}
#endregion
private Button ButtonDown;
private Button ButtonRight;
private Button ButtonLeft;
private Button ButtonUp;
private Button CreateButton;
private PictureBox DrawingPictureBox;
private ToolStripStatusLabel toolStripStatusLabelSpeed;
private ToolStripStatusLabel toolStripStatusLabelWeight;
private ToolStripStatusLabel toolStripStatusLabelColor;
private StatusStrip statusStrip;
private Button TankButton;
private ComboBox comboBoxSelectorMap;
}
}

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@ -1,96 +0,0 @@
namespace ArmoredVehicle
{
public partial class FormMap : Form
{
private AbstractMap _abstractMap;
public FormMap()
{
InitializeComponent();
_abstractMap = new SimpleMap();
}
/// <summary>
/// Заполнение информации по объекту
/// </summary>
/// <param name="car"></param>
private void SetData(DrawingArmoredVehicle armoredVehicle)
{
toolStripStatusLabelSpeed.Text = $"Скорость: {armoredVehicle.ArmoredVehicle.Speed}";
toolStripStatusLabelWeight.Text = $"Вес: {armoredVehicle.ArmoredVehicle.Weight}";
toolStripStatusLabelColor.Text = $"Цвет: {armoredVehicle.ArmoredVehicle.BodyColor.Name}";
DrawingPictureBox.Image = _abstractMap.CreateMap(DrawingPictureBox.Width, DrawingPictureBox.Height,
new DrawningObject(armoredVehicle));
}
/// <summary>
/// Обработка нажатия кнопки "Создать"
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void ButtonCreate_Click(object sender, EventArgs e)
{
Random rnd = new();
var machine = new DrawingArmoredVehicle(rnd.Next(100, 300), rnd.Next(1000, 2000), Color.FromArgb(rnd.Next(0, 256), rnd.Next(0, 256), rnd.Next(0, 256)));
SetData(machine);
}
/// <summary>
/// Изменение размеров формы
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void ButtonMove_Click(object sender, EventArgs e)
{
//получаем имя кнопки
string name = ((Button)sender)?.Name ?? string.Empty;
Direction dir = Direction.None;
switch (name)
{
case "ButtonUp":
dir = Direction.Up;
break;
case "ButtonDown":
dir = Direction.Down;
break;
case "ButtonLeft":
dir = Direction.Left;
break;
case "ButtonRight":
dir = Direction.Right;
break;
}
DrawingPictureBox.Image = _abstractMap?.MoveObject(dir);
}
/// <summary>
/// Смена карты
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void comboBoxSelectorMap_SelectedIndexChanged_1(object sender, EventArgs e)
{
switch (comboBoxSelectorMap.Text)
{
case "Простая карта":
_abstractMap = new SimpleMap();
break;
case "Горизонтальная карта":
_abstractMap = new HorizontalMap();
break;
case "Вертикальная карта":
_abstractMap = new VerticalMap();
break;
}
}
private void TankButton_Click(object sender, EventArgs e)
{
Random rnd = new();
var tank = new DrawingTank(rnd.Next(100, 300), rnd.Next(1000, 2000),
Color.FromArgb(rnd.Next(0, 256), rnd.Next(0, 256), rnd.Next(0, 256)),
Color.FromArgb(rnd.Next(0, 256), rnd.Next(0, 256), rnd.Next(0, 256)),
Convert.ToBoolean(rnd.Next(0, 2)), Convert.ToBoolean(rnd.Next(0, 2)), Convert.ToBoolean(rnd.Next(0, 2)));
SetData(tank);
}
}
}

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@ -1,63 +0,0 @@
<root>
<xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
<xsd:import namespace="http://www.w3.org/XML/1998/namespace" />
<xsd:element name="root" msdata:IsDataSet="true">
<xsd:complexType>
<xsd:choice maxOccurs="unbounded">
<xsd:element name="metadata">
<xsd:complexType>
<xsd:sequence>
<xsd:element name="value" type="xsd:string" minOccurs="0" />
</xsd:sequence>
<xsd:attribute name="name" use="required" type="xsd:string" />
<xsd:attribute name="type" type="xsd:string" />
<xsd:attribute name="mimetype" type="xsd:string" />
<xsd:attribute ref="xml:space" />
</xsd:complexType>
</xsd:element>
<xsd:element name="assembly">
<xsd:complexType>
<xsd:attribute name="alias" type="xsd:string" />
<xsd:attribute name="name" type="xsd:string" />
</xsd:complexType>
</xsd:element>
<xsd:element name="data">
<xsd:complexType>
<xsd:sequence>
<xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
<xsd:element name="comment" type="xsd:string" minOccurs="0" msdata:Ordinal="2" />
</xsd:sequence>
<xsd:attribute name="name" type="xsd:string" use="required" msdata:Ordinal="1" />
<xsd:attribute name="type" type="xsd:string" msdata:Ordinal="3" />
<xsd:attribute name="mimetype" type="xsd:string" msdata:Ordinal="4" />
<xsd:attribute ref="xml:space" />
</xsd:complexType>
</xsd:element>
<xsd:element name="resheader">
<xsd:complexType>
<xsd:sequence>
<xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
</xsd:sequence>
<xsd:attribute name="name" type="xsd:string" use="required" />
</xsd:complexType>
</xsd:element>
</xsd:choice>
</xsd:complexType>
</xsd:element>
</xsd:schema>
<resheader name="resmimetype">
<value>text/microsoft-resx</value>
</resheader>
<resheader name="version">
<value>2.0</value>
</resheader>
<resheader name="reader">
<value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
</resheader>
<resheader name="writer">
<value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
</resheader>
<metadata name="statusStrip.TrayLocation" type="System.Drawing.Point, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
<value>17, 17</value>
</metadata>
</root>

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@ -68,8 +68,13 @@ namespace ArmoredVehicle
MainForm form = new();
if (form.ShowDialog() == DialogResult.OK)
{
if (form.SelectedMachine == null)
{
MessageBox.Show("Вы не создали объект");
return;
}
DrawningObject machine = new(form.SelectedMachine);
if (_mapCarsCollectionGeneric + machine)
if (_mapCarsCollectionGeneric + machine != -1)
{
MessageBox.Show("Объект добавлен");
pictureBoxImage.Image = _mapCarsCollectionGeneric.ShowSet();
@ -81,7 +86,10 @@ namespace ArmoredVehicle
}
}
/// <summary>
///<summary>
/// Удаление объекта
/// </summary>
/// <param name="sender"></param>
@ -97,7 +105,7 @@ namespace ArmoredVehicle
return;
}
int pos = Convert.ToInt32(maskedTextBoxPosition.Text);
if (_mapCarsCollectionGeneric - pos)
if (_mapCarsCollectionGeneric - pos != null)
{
MessageBox.Show("Объект удален");
pictureBoxImage.Image = _mapCarsCollectionGeneric.ShowSet();

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@ -35,8 +35,15 @@ namespace ArmoredVehicle
private void CreateButton_Click(object sender, EventArgs e)
{
Random rnd = new();
Color color = Color.FromArgb(rnd.Next(0, 256), rnd.Next(0, 256), rnd.Next(0, 256));
ColorDialog dialog = new();
if (dialog.ShowDialog() == DialogResult.OK)
{
color = dialog.Color;
}
_ArmoredVehicle = new DrawingArmoredVehicle(rnd.Next(100, 300), rnd.Next(1000, 2000),
Color.FromArgb(rnd.Next(0, 256), rnd.Next(0, 256), rnd.Next(0, 256)));
color);
SetData();
Draw();
}
@ -90,10 +97,22 @@ namespace ArmoredVehicle
private void TankButton_Click(object sender, EventArgs e)
{
Random rnd = new();
Color color = Color.FromArgb(rnd.Next(0, 256), rnd.Next(0, 256), rnd.Next(0, 256));
ColorDialog dialog = new();
if (dialog.ShowDialog() == DialogResult.OK)
{
color = dialog.Color;
}
Color dopColor = Color.FromArgb(rnd.Next(0, 256), rnd.Next(0, 256), rnd.Next(0, 256));
ColorDialog dialogDop = new();
if (dialogDop.ShowDialog() == DialogResult.OK)
{
dopColor = dialogDop.Color;
}
_ArmoredVehicle = new DrawingTank(rnd.Next(100, 300),
rnd.Next(1000, 2000),
Color.FromArgb(rnd.Next(0, 256), rnd.Next(0, 256), rnd.Next(0, 256)),
Color.FromArgb(rnd.Next(0, 256), rnd.Next(0, 256), rnd.Next(0, 256)),
color,
dopColor,
Convert.ToBoolean(rnd.Next(0, 2)),
Convert.ToBoolean(rnd.Next(0, 2)),
Convert.ToBoolean(rnd.Next(0, 2)));

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@ -48,15 +48,20 @@
_pictureHeight = picHeight;
_map = map;
}
/// <summary>
/// Перегрузка оператора сложения
/// </summary>
/// <param name="map"></param>
/// <param name="car"></param>
/// <param name="machine"></param>
/// <returns></returns>
public static bool operator +(MapWithSetMachineGeneric<T, U> map, T car)
public static int operator +(MapWithSetMachineGeneric<T, U> map, T machine)
{
return map._setMachines.Insert(car);
return map._setMachines.Insert(machine);
}
/// <summary>
/// Перегрузка оператора вычитания
@ -64,7 +69,7 @@
/// <param name="map"></param>
/// <param name="position"></param>
/// <returns></returns>
public static bool operator -(MapWithSetMachineGeneric<T, U> map, int position)
public static T operator -(MapWithSetMachineGeneric<T, U> map, int position)
{
return map._setMachines.Remove(position);
}
@ -143,14 +148,18 @@
/// <param name="g"></param>
private void DrawBackground(Graphics g)
{
Pen pen = new(Color.Black, 3);
Pen pen = new(Color.LawnGreen, 5);
for (int i = 0; i < _pictureWidth / _placeSizeWidth; i++)
{
for (int j = 0; j < _pictureHeight / _placeSizeHeight + 1; ++j)
{//линия рамзетки места
g.DrawLine(pen, i * _placeSizeWidth, j * _placeSizeHeight, i * _placeSizeWidth + _placeSizeWidth / 2, j * _placeSizeHeight);
int dop = 0;
if(i>0 && j>0)
{
dop = 30;
}
g.DrawRectangle(pen, new Rectangle(i * _placeSizeWidth + dop, j * _placeSizeHeight + dop, i * _placeSizeWidth + _placeSizeWidth, j * _placeSizeHeight + _placeSizeHeight));
}
g.DrawLine(pen, i * _placeSizeWidth, 0, i * _placeSizeWidth, (_pictureHeight / _placeSizeHeight) * _placeSizeHeight);
}
}
/// <summary>
@ -159,11 +168,36 @@
/// <param name="g"></param>
private void DrawMachine(Graphics g)
{
int width = _pictureWidth / _placeSizeWidth;
int height = _pictureHeight / _placeSizeHeight;
int currentWidth = 0;
int currentHeight = 0;
for (int i = 0; i < _setMachines.Count; i++)
{
// TODO установка позиции
int dop = 0;
if(currentWidth > 0 && currentHeight > 0)
{
dop = 30;
}
_setMachines.Get(i)?.SetObject(currentWidth * _placeSizeWidth + dop,
currentHeight * _placeSizeHeight + dop,
_pictureWidth, _pictureHeight);
_setMachines.Get(i)?.DrawningObject(g);
if (currentWidth < width - 1)
{
currentWidth++;
}
else
{
currentWidth = 0;
currentHeight++;
}
if (currentHeight > height) return;
}
}
}
}

View File

@ -15,6 +15,7 @@
/// Количество объектов в массиве
/// </summary>
public int Count => _places.Length;
private int BusyPlaces = 0;
/// <summary>
/// Конструктор
/// </summary>
@ -28,19 +29,9 @@
/// </summary>
/// <param name="machine">Добавляемая машина</param>
/// <returns></returns>
public bool Insert(T machine)
public int Insert(T machine)
{
if(_places.Contains(null))
{
int pos = Array.IndexOf(_places, null);
for(int i = pos; i > 0; i--)
{
_places[i] = _places[i - 1];
}
_places[0] = machine;
return true;
}
return false;
return Insert(machine, 0);
}
/// <summary>
/// Добавление объекта в набор на конкретную позицию
@ -48,51 +39,36 @@
/// <param name="machine">Добавляемая машина</param>
/// <param name="position">Позиция</param>
/// <returns></returns>
public bool Insert(T machine, int position)
public int Insert(T machine, int position)
{
if(_places[position] == null)
{
_places[position] = machine;
return true;
}
else
{
bool empty = false;
int pos = 0;
for(int i = position; i < _places.Length; i++)
{
if(_places[i] == null)
{
empty = true;
pos = i;
break;
}
}
if (empty)
if (position < 0 || position >= _places.Length || BusyPlaces == _places.Length) return -1;
BusyPlaces++;
while (_places[position] != null)
{
for (int i = _places.Length - 1; i > 0; --i)
{
for (int i = pos; i >= position; i--)
if (_places[i] == null && _places[i - 1] != null)
{
_places[i] = _places[i - 1];
_places[i - 1] = null;
}
_places[position] = machine;
return true;
}
else return false;
}
}
_places[position] = machine;
return position;
}
/// <summary>
/// Удаление объекта из набора с конкретной позиции
/// </summary>
/// <param name="position"></param>
/// <returns></returns>
public bool Remove(int position)
public T Remove(int position)
{
if(_places[position] != null)
{
_places[position] = null;
return true;
}
return false;
if (position < 0 || position >= _places.Length) return null;
T deletemashine = _places[position];
_places[position] = null;
return deletemashine;
}
/// <summary>
/// Получение объекта из набора по позиции
@ -101,11 +77,8 @@
/// <returns></returns>
public T Get(int position)
{
// TODO проверка позиции
if(_places[position] == null)
{
return null;
}
if (position < 0 || position >= _places.Length) return null;
else if (_places[position] == null) return null;
return _places[position];
}
}