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Masahiko AMANO 2022-03-02 22:52:46 +03:00
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namespace MineSweeper
{
internal class Cell
{
public string value = " ";
public bool isMine = false;
public bool isOpened = false;
private bool isMarked = false;
public Cell(bool mine)
{
if (mine)
{
isMine = true;
value = "¤";
}
}
public string show()
{
if (isOpened)
return value;
else if (isMarked)
return "X";
else
return "■";
}
public void setMine() { isMine = true; }
public void open() { isOpened = true; }
public void mark() { isMarked = true; }
public void unmark() { isMarked = false; }
public bool isEmpty() { return value == " "; }
}
}

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namespace MineSweeper
{
internal class Field
{
private int width = 0;
private int height = 0;
private int size = 0;
private List<Cell> cells = new List<Cell>();
public Field(int input_width, int input_height, int nmines)
{
if (input_width < 0 || input_height < 0)
throw new ArgumentException("Field dimensions must be natural numbers.");
if (input_width < 2 || input_height < 2)
throw new ArgumentException("Too small field.");
if (input_width > 10 || input_height > 26)
throw new ArgumentException("Too large field.");
if (nmines < 0)
throw new ArgumentException("The number of mines can not be negative.");
if (nmines > input_width * input_height)
throw new ArgumentException("The number of mines can not be greater than the number of all cells.");
width = input_width;
height = input_height;
size = width * height;
cells = new List<Cell>();
for (int i = 0; i < size; i++) // initializing field
{
cells.Add(new Cell(nmines-- > 0));
}
Random rnd = new Random();
for (int i = 0; i < size; i++) // shuffling field
{
int dest = rnd.Next(size);
Cell tmp = cells[i];
cells[i] = cells[dest];
cells[dest] = tmp;
}
for (int y = 0; y < height; y++)
{
for (int x = 0; x < width; x++)
{
if (cells[y * width + x].isMine)
{
for (int y1 = y - 1; y1 <= y + 1; y1++)
{
if (y1 < 0 || y1 >= height)
continue;
for (int x1 = x - 1; x1 <= x + 1; x1++)
{
if (x1 < 0 || x1 >= width)
continue;
Cell current = cells[y1 * width + x1];
if (current.isMine)
continue;
if (current.value == " ")
current.value = "1";
else
current.value = Convert.ToString(Convert.ToInt16(current.value) + 1);
}
}
}
}
}
}
public void draw()
{
Console.Write(" ");
for (int i = 0; i < width;)
{
Console.Write(" " + ++i);
}
Console.Write("\n ╔");
for (int i = 0; i < 2 * width + 1; i++)
{
Console.Write("═");
}
Console.WriteLine("╗");
for (int y = 0; y < height; y++)
{
Console.Write((char)('A' + y) + " ║");
for (int x = 0; x < width; x++)
{
Console.Write(" " + cells[y * width + x].show());
}
Console.WriteLine(" ║");
}
Console.Write(" ╚");
for (int i = 0; i < 2 * width + 1; i++)
{
Console.Write("═");
}
Console.WriteLine("╝");
}
public bool open(int y, int x)
{
if (y < 0 || y >= height || x < 0 || x >= width)
throw new Exception("Coordinates out of the field!");
cells[y * width + x].open();
return cells[y * width + x].isMine;
}
public void openall()
{
for (int i = 0; i < size; i++)
{
cells[i].open();
}
}
public void mark(int y, int x) { cells[y * width + x].mark(); }
public void unmark(int y, int x) { cells[y * width + x].unmark(); }
public bool check()
{
for (int i = 0; i < size; i++)
if (!cells[i].isOpened)
return false;
return true;
}
}
}

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namespace MineSweeper
{
internal class Game
{
private Field field;
public Game(int field_width, int field_height, int nmines)
{
field = new Field(field_width, field_height, nmines);
}
public bool run()
{
string[] command;
field.draw();
while (true)
{
Console.Clear();
field.draw();
if (field.check())
{
return true;
}
Console.Write("Enter your command: ");
try
{
command = Console.ReadLine().ToUpper().Split();
if (command.Length == 1)
{
int x = Convert.ToInt16(command[0].Substring(1)) - 1;
int y = command[0].First() - 'A';
if (field.open(y, x))
{
this.finish();
return false;
}
}
else if (command.Length == 2)
{
if (command[0] != "M" && command[0] != "U")
throw new Exception("Invalid command.");
int x = Convert.ToInt16(command[1].Substring(1)) - 1;
int y = command[1].First() - 'A';
if (command[0] == "M")
field.mark(y, x);
else
field.unmark(y, x);
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message + "\nTry again.");
Thread.Sleep(1500);
}
}
}
private void finish()
{
field.openall();
Console.Clear();
field.draw();
}
}
}

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namespace MineSweeper
{
public class Program
{
public static void Main(string[] args)
{
int width, height, nmines;
Game game;
while (true)
{
Console.WriteLine("(C) Masahiko AMANO a.k.a. H1K0, 2022\n\n" +
"Hey! Let's play the MineSweeper game!\nType anything for help or just press Enter to start the game.");
while (Console.ReadLine().Length != 0)
Console.WriteLine("\nThe game follows the classic rules.\n" +
"Target cell coordinates are represented this way: A1, F5, I8. Case insensitive.\n" +
"Type coordinates of the cell to open it or use prefixes: \"M\" to mark or \"U\" to unmark the cell.\n" +
"For example: \"B9\", \"M D7\".\n" +
"Type anything to see help again or just press Enter to start the game.\n");
Console.Write("Okay, let's go!\nEnter field width, height and number of mines separated with a space: ");
while (true)
{
try
{
string[] input = Console.ReadLine().Split();
game = new Game(Convert.ToInt16(input[0]), Convert.ToInt16(input[1]), Convert.ToInt16(input[2]));
break;
}
catch (Exception ex)
{
Console.Write(ex.Message + "\nTry again.\n\n" +
"Enter field width, height and number of mines separated with a space: ");
}
}
bool result = game.run();
if (result)
Console.WriteLine("You win! Congratulations!");
else
Console.WriteLine("You lose!");
Console.WriteLine("Press Enter to play again or Escape to exit.");
ConsoleKey key;
bool exit = false;
while (true)
{
key = Console.ReadKey().Key;
if (key == ConsoleKey.Enter)
{
Console.Clear();
break;
}
else if (key == ConsoleKey.Escape)
{
exit = true;
break;
}
}
if (exit)
break;
}
}
}
}

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<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<OutputType>Exe</OutputType>
<TargetFramework>net6.0</TargetFramework>
<ImplicitUsings>enable</ImplicitUsings>
<Nullable>enable</Nullable>
</PropertyGroup>
</Project>

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Microsoft Visual Studio Solution File, Format Version 12.00
# Visual Studio Version 17
VisualStudioVersion = 17.1.32210.238
MinimumVisualStudioVersion = 10.0.40219.1
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "MineSweeper", "MineSweeper.csproj", "{8E0081B2-489B-448A-BCAB-04C7512EA5C0}"
EndProject
Global
GlobalSection(SolutionConfigurationPlatforms) = preSolution
Debug|Any CPU = Debug|Any CPU
Release|Any CPU = Release|Any CPU
EndGlobalSection
GlobalSection(ProjectConfigurationPlatforms) = postSolution
{8E0081B2-489B-448A-BCAB-04C7512EA5C0}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
{8E0081B2-489B-448A-BCAB-04C7512EA5C0}.Debug|Any CPU.Build.0 = Debug|Any CPU
{8E0081B2-489B-448A-BCAB-04C7512EA5C0}.Release|Any CPU.ActiveCfg = Release|Any CPU
{8E0081B2-489B-448A-BCAB-04C7512EA5C0}.Release|Any CPU.Build.0 = Release|Any CPU
EndGlobalSection
GlobalSection(SolutionProperties) = preSolution
HideSolutionNode = FALSE
EndGlobalSection
GlobalSection(ExtensibilityGlobals) = postSolution
SolutionGuid = {D0BD1162-D6EA-43D8-BBED-3DC143CA9C44}
EndGlobalSection
EndGlobal