Initial commit

.gitattributes

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+###############################################################################
+# Set default behavior to automatically normalize line endings.
+###############################################################################
+* text=auto
+
+###############################################################################
+# Set default behavior for command prompt diff.
+#
+# This is need for earlier builds of msysgit that does not have it on by
+# default for csharp files.
+# Note: This is only used by command line
+###############################################################################
+#*.cs     diff=csharp
+
+###############################################################################
+# Set the merge driver for project and solution files
+#
+# Merging from the command prompt will add diff markers to the files if there
+# are conflicts (Merging from VS is not affected by the settings below, in VS
+# the diff markers are never inserted). Diff markers may cause the following 
+# file extensions to fail to load in VS. An alternative would be to treat
+# these files as binary and thus will always conflict and require user
+# intervention with every merge. To do so, just uncomment the entries below
+###############################################################################
+#*.sln       merge=binary
+#*.csproj    merge=binary
+#*.vbproj    merge=binary
+#*.vcxproj   merge=binary
+#*.vcproj    merge=binary
+#*.dbproj    merge=binary
+#*.fsproj    merge=binary
+#*.lsproj    merge=binary
+#*.wixproj   merge=binary
+#*.modelproj merge=binary
+#*.sqlproj   merge=binary
+#*.wwaproj   merge=binary
+
+###############################################################################
+# behavior for image files
+#
+# image files are treated as binary by default.
+###############################################################################
+#*.jpg   binary
+#*.png   binary
+#*.gif   binary
+
+###############################################################################
+# diff behavior for common document formats
+# 
+# Convert binary document formats to text before diffing them. This feature
+# is only available from the command line. Turn it on by uncommenting the 
+# entries below.
+###############################################################################
+#*.doc   diff=astextplain
+#*.DOC   diff=astextplain
+#*.docx  diff=astextplain
+#*.DOCX  diff=astextplain
+#*.dot   diff=astextplain
+#*.DOT   diff=astextplain
+#*.pdf   diff=astextplain
+#*.PDF   diff=astextplain
+#*.rtf   diff=astextplain
+#*.RTF   diff=astextplain

.gitignore

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+## Ignore Visual Studio temporary files, build results, and
+## files generated by popular Visual Studio add-ons.
+##
+## Get latest from https://github.com/github/gitignore/blob/master/VisualStudio.gitignore
+
+# User-specific files
+*.rsuser
+*.suo
+*.user
+*.userosscache
+*.sln.docstates
+
+# User-specific files (MonoDevelop/Xamarin Studio)
+*.userprefs
+
+# Mono auto generated files
+mono_crash.*
+
+# Build results
+[Dd]ebug/
+[Dd]ebugPublic/
+[Rr]elease/
+[Rr]eleases/
+x64/
+x86/
+[Ww][Ii][Nn]32/
+[Aa][Rr][Mm]/
+[Aa][Rr][Mm]64/
+bld/
+[Bb]in/
+[Oo]bj/
+[Oo]ut/
+[Ll]og/
+[Ll]ogs/
+
+# Visual Studio 2015/2017 cache/options directory
+.vs/
+# Uncomment if you have tasks that create the project's static files in wwwroot
+#wwwroot/
+
+# Visual Studio 2017 auto generated files
+Generated\ Files/
+
+# MSTest test Results
+[Tt]est[Rr]esult*/
+[Bb]uild[Ll]og.*
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+# NUnit
+*.VisualState.xml
+TestResult.xml
+nunit-*.xml
+
+# Build Results of an ATL Project
+[Dd]ebugPS/
+[Rr]eleasePS/
+dlldata.c
+
+# Benchmark Results
+BenchmarkDotNet.Artifacts/
+
+# .NET Core
+project.lock.json
+project.fragment.lock.json
+artifacts/
+
+# ASP.NET Scaffolding
+ScaffoldingReadMe.txt
+
+# StyleCop
+StyleCopReport.xml
+
+# Files built by Visual Studio
+*_i.c
+*_p.c
+*_h.h
+*.ilk
+*.meta
+*.obj
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+*.pdb
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+*.tli
+*.tlh
+*.tmp
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+*_wpftmp.csproj
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+.builds
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+# Chutzpah Test files
+_Chutzpah*
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+ipch/
+*.aps
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+*.sap
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+# Visual Studio Trace Files
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+# TFS 2012 Local Workspace
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+
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+*.gpState
+
+# ReSharper is a .NET coding add-in
+_ReSharper*/
+*.[Rr]e[Ss]harper
+*.DotSettings.user
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+# TeamCity is a build add-in
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+
+# DotCover is a Code Coverage Tool
+*.dotCover
+
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+!.axoCover/settings.json
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+# Coverlet is a free, cross platform Code Coverage Tool
+coverage*.json
+coverage*.xml
+coverage*.info
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+# Visual Studio code coverage results
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+
+# NCrunch
+_NCrunch_*
+.*crunch*.local.xml
+nCrunchTemp_*
+
+# MightyMoose
+*.mm.*
+AutoTest.Net/
+
+# Web workbench (sass)
+.sass-cache/
+
+# Installshield output folder
+[Ee]xpress/
+
+# DocProject is a documentation generator add-in
+DocProject/buildhelp/
+DocProject/Help/*.HxT
+DocProject/Help/*.HxC
+DocProject/Help/*.hhc
+DocProject/Help/*.hhk
+DocProject/Help/*.hhp
+DocProject/Help/Html2
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+**/[Pp]ackages/*
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+!**/[Pp]ackages/build/
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+
+# Microsoft Azure Build Output
+csx/
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+
+# Microsoft Azure Emulator
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+# Windows Store app package directories and files
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+BundleArtifacts/
+Package.StoreAssociation.xml
+_pkginfo.txt
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+# but keep track of directories ending in .cache
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+
+# Others
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+~$*
+*~
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+orleans.codegen.cs
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+# Including strong name files can present a security risk
+# (https://github.com/github/gitignore/pull/2483#issue-259490424)
+#*.snk
+
+# Since there are multiple workflows, uncomment next line to ignore bower_components
+# (https://github.com/github/gitignore/pull/1529#issuecomment-104372622)
+#bower_components/
+
+# RIA/Silverlight projects
+Generated_Code/
+
+# Backup & report files from converting an old project file
+# to a newer Visual Studio version. Backup files are not needed,
+# because we have git ;-)
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+Backup*/
+UpgradeLog*.XML
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+*- [Bb]ackup.rdl
+*- [Bb]ackup ([0-9]).rdl
+*- [Bb]ackup ([0-9][0-9]).rdl
+
+# Microsoft Fakes
+FakesAssemblies/
+
+# GhostDoc plugin setting file
+*.GhostDoc.xml
+
+# Node.js Tools for Visual Studio
+.ntvs_analysis.dat
+node_modules/
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+# Visual Studio 6 build log
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+# Visual Studio 6 workspace options file
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+# Visual Studio 6 auto-generated workspace file (contains which files were open etc.)
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+**/*.HTMLClient/GeneratedArtifacts
+**/*.DesktopClient/GeneratedArtifacts
+**/*.DesktopClient/ModelManifest.xml
+**/*.Server/GeneratedArtifacts
+**/*.Server/ModelManifest.xml
+_Pvt_Extensions
+
+# Paket dependency manager
+.paket/paket.exe
+paket-files/
+
+# FAKE - F# Make
+.fake/
+
+# CodeRush personal settings
+.cr/personal
+
+# Python Tools for Visual Studio (PTVS)
+__pycache__/
+*.pyc
+
+# Cake - Uncomment if you are using it
+# tools/**
+# !tools/packages.config
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+# Tabs Studio
+*.tss
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+# Telerik's JustMock configuration file
+*.jmconfig
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+ASALocalRun/
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+*.binlog
+
+# NVidia Nsight GPU debugger configuration file
+*.nvuser
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+# MFractors (Xamarin productivity tool) working folder
+.mfractor/
+
+# Local History for Visual Studio
+.localhistory/
+
+# BeatPulse healthcheck temp database
+healthchecksdb
+
+# Backup folder for Package Reference Convert tool in Visual Studio 2017
+MigrationBackup/
+
+# Ionide (cross platform F# VS Code tools) working folder
+.ionide/
+
+# Fody - auto-generated XML schema
+FodyWeavers.xsd

Cell.cs

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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 == " "; }
+    }
+}

Field.cs

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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;
+        }
+    }
+}

Game.cs

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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();
+        }
+    }
+}

Main.cs

@@ -0,0 +1,61 @@
+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;
+            }
+        }
+    }
+}

MineSweeper.csproj

@@ -0,0 +1,10 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net6.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>

MineSweeper.sln

@@ -0,0 +1,25 @@
+
+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