added console application

Memory.Cmd/Memory.Cmd.csproj

@@ -0,0 +1,14 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net8.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\Memory.Logic\Memory.Logic.csproj" />
+  </ItemGroup>
+
+</Project>

Memory.Cmd/Program.cs

@@ -0,0 +1,29 @@
+using Memory.Logic;
+
+namespace Memory.Cmd
+{
+    internal class Program
+    {
+        static void Main()
+        {
+            Game game = new();
+            Renderer renderer = new(game);
+            while (!game.IsFinished())
+            {
+                renderer.Render();
+                Console.Write("Enter card number: ");
+                try
+                {
+                    game.ClickCard(game.Cards[int.Parse(Console.ReadLine()!) - 1]);
+                }
+                catch (Exception)
+                {
+                    Console.WriteLine("Invalid card number given.");
+                    Console.ReadLine();
+                }
+                Console.Clear();
+            }
+            renderer.Render();
+        }
+    }
+}

Memory.Cmd/Renderer.cs

@@ -0,0 +1,94 @@
+using Memory.Logic;
+using System;
+using System.Reflection;
+
+namespace Memory.Cmd
+{
+    internal class Renderer(Game game)
+    {
+        private readonly Game game = game;
+
+        private static string FormatNumber(int number)
+        {
+            string num = "";
+            int padding = Game.DECKSIZE.ToString().Length - number.ToString().Length;
+            for (int i = 0; i < padding; i++)
+            {
+                num += '0';
+            }
+            num += number;
+            return num;
+        }
+
+        private static void DrawCard(Card card, int index, int column, int row)
+        {
+            string num = FormatNumber(card.ID);
+            string cardNr = FormatNumber(index);
+            int cardWidth = Game.DECKSIZE.ToString().Length + 4;
+            for (int i = 0; i < Game.GRIDSIZE; i++)
+            {
+                Console.CursorLeft += (cardWidth + 1) * column;
+                Console.CursorTop = i + ((Game.GRIDSIZE + 1) * row);
+                for (int j = 0; j < cardWidth; j++)
+                {
+                    if (i == 0)
+                    {
+                        Console.Write('#');
+                    }
+                    else if (i == Game.GRIDSIZE - 1)
+                    {
+                        if (j > 1 && j < cardWidth - 2)
+                        {
+                            Console.Write(cardNr[j - 2]);
+                        }
+                        else
+                        {
+                            Console.Write('#');
+                        }
+                    }
+                    else if (j == 0 || j == cardWidth - 1)
+                    {
+                        Console.Write('#');
+                    }
+                    else if (i == Game.GRIDSIZE / 2 && j > 1 && j < cardWidth - 2)
+                    {
+                        if (card.Selected())
+                        {
+                            Console.Write(num[j - 2]);
+                        }
+                        else
+                        {
+                            Console.Write('*');
+                        }
+                    }
+                    else
+                    {
+                        Console.Write(' ');
+                    }
+                }
+                Console.Write('\n');
+            }
+        }
+
+        public void Render()
+        {
+            for (int i = 0; i < game.Cards.Count; i++)
+            {
+                Card card = game.Cards[i];
+                if (!card.Completed)
+                {
+                    if (card.Selected())
+                    {
+                        Console.ForegroundColor = ConsoleColor.Green;
+                    }
+                    else
+                    {
+                        Console.ForegroundColor= ConsoleColor.Red;
+                    }
+                    DrawCard(game.Cards[i], i + 1, i % Game.GRIDSIZE, i / Game.GRIDSIZE);
+                    Console.ForegroundColor = ConsoleColor.White;
+                }
+            }
+        }
+    }
+}

Memory.Gui/App.xaml

@@ -0,0 +1,9 @@
+<Application x:Class="Memory.Gui.App"
+             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:local="clr-namespace:Memory.Gui"
+             StartupUri="MainWindow.xaml">
+    <Application.Resources>
+         
+    </Application.Resources>
+</Application>

Memory.Gui/App.xaml.cs

@@ -0,0 +1,14 @@
+using System.Configuration;
+using System.Data;
+using System.Windows;
+
+namespace Memory.Gui
+{
+    /// <summary>
+    /// Interaction logic for App.xaml
+    /// </summary>
+    public partial class App : Application
+    {
+    }
+
+}

Memory.Gui/AssemblyInfo.cs

@@ -0,0 +1,10 @@
+using System.Windows;
+
+[assembly: ThemeInfo(
+    ResourceDictionaryLocation.None,            //where theme specific resource dictionaries are located
+                                                //(used if a resource is not found in the page,
+                                                // or application resource dictionaries)
+    ResourceDictionaryLocation.SourceAssembly   //where the generic resource dictionary is located
+                                                //(used if a resource is not found in the page,
+                                                // app, or any theme specific resource dictionaries)
+)]

Memory.Gui/MainWindow.xaml

@@ -1,9 +1,9 @@
-<Window x:Class="Memory.MainWindow"
+<Window x:Class="Memory.Gui.MainWindow"
         xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
         xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
         xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
         xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
-        xmlns:local="clr-namespace:Memory"
+        xmlns:local="clr-namespace:Memory.Gui"
         mc:Ignorable="d"
         Title="MainWindow" Height="450" Width="800">
     <Grid>

Memory.Gui/MainWindow.xaml.cs

@@ -9,7 +9,7 @@ using System.Windows.Media.Imaging;
 using System.Windows.Navigation;
 using System.Windows.Shapes;
 
-namespace Memory
+namespace Memory.Gui
 {
     /// <summary>
     /// Interaction logic for MainWindow.xaml

Memory.Gui/Memory.Gui.csproj

@@ -1,13 +1,11 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <OutputType>Exe</OutputType>
+    <OutputType>WinExe</OutputType>
     <TargetFramework>net8.0-windows</TargetFramework>
     <Nullable>enable</Nullable>
     <ImplicitUsings>enable</ImplicitUsings>
     <UseWPF>true</UseWPF>
-    <StartupObject>Memory.Program</StartupObject>
-    <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
   </PropertyGroup>
 
 </Project>

Memory.Gui/Memory.Gui.csproj.user

@@ -1,6 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="Current" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <PropertyGroup />
+  <ItemGroup>
+    <ApplicationDefinition Update="App.xaml">
+      <SubType>Designer</SubType>
+    </ApplicationDefinition>
+  </ItemGroup>
   <ItemGroup>
     <Page Update="MainWindow.xaml">
       <SubType>Designer</SubType>

Memory.Logic/Card.cs

@@ -0,0 +1,20 @@
+namespace Memory.Logic
+{
+    public class Card(int id)
+    {
+        public int ID { get; } = id;
+        public bool IsChoice1 { get; set; } = false;
+        public bool IsChoice2 { get; set; } = false;
+        public bool Completed { get; set; } = false;
+
+        public bool Matches(Card card)
+        {
+            return ID == card.ID;
+        }
+
+        public bool Selected()
+        {
+            return IsChoice1 || IsChoice2;
+        }
+    }
+}

Memory.Logic/Game.cs

@@ -0,0 +1,67 @@
+namespace Memory.Logic
+{
+    public class Game
+    {
+        public const int DECKSIZE = 10;
+        public const int GRIDSIZE = 5;
+        public List<Card> Cards { get; } = CreateDeck(DECKSIZE);
+
+        private static List<Card> CreateDeck(int pairs)
+        {
+            List<Card> cards = [];
+            for (int i = 1; i < pairs + 1; i++)
+            {
+                cards.Add(new(i));
+                cards.Add(new(i));
+            }
+            Random random = new();
+            return [..cards.OrderBy(card => random.Next())];
+        }
+
+        public Card? GetChoice1()
+        {
+            return Cards.FirstOrDefault(card => card.IsChoice1);
+        }
+
+        public Card? GetChoice2()
+        {
+            return Cards.FirstOrDefault(card => card.IsChoice2);
+        }
+
+        public bool IsFinished()
+        {
+            return Cards.All(card => card.Completed);
+        }
+
+        public void ClickCard(Card card)
+        {
+            Card? choice1 = GetChoice1();
+            Card? choice2 = GetChoice2();
+            if (!card.Completed)
+            {
+                if ((choice1 == null && choice2 == null) || (choice1 != null && choice2 != null))
+                {
+                    if (choice1 != null)
+                    {
+                        choice1.IsChoice1 = false;
+                    }
+                    if (choice2 != null)
+                    {
+                        choice2.IsChoice2 = false;
+                    }
+                    card.IsChoice1 = true;
+                }
+                else if (choice1 != null && choice2 == null && choice1 != card)
+                {
+                    card.IsChoice2 = true;
+                    if (choice1.Matches(card))
+                    {
+                        choice1.Completed = true;
+                        card.Completed = true;
+                        // handle score etc
+                    }
+                }
+            }
+        }
+    }
+}

Memory.Logic/Memory.Logic.csproj

@@ -0,0 +1,9 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net8.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>

Memory.sln

@@ -3,7 +3,11 @@ Microsoft Visual Studio Solution File, Format Version 12.00
 # Visual Studio Version 17
 VisualStudioVersion = 17.9.34701.34
 MinimumVisualStudioVersion = 10.0.40219.1
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Memory", "src/Memory.csproj", "{8380EF7C-6F0D-488A-9B88-409696E4565F}"
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Memory.Logic", "Memory.Logic\Memory.Logic.csproj", "{2490BF43-EFD6-4BE0-B231-860EB3508360}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Memory.Gui", "Memory.Gui\Memory.Gui.csproj", "{6E520079-0F1A-434A-82F8-56D3D5B57645}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Memory.Cmd", "Memory.Cmd\Memory.Cmd.csproj", "{36DBAAC0-3FEC-4C5C-8330-C1BD2D08BD05}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
@@ -11,10 +15,18 @@ Global
 		Release|Any CPU = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(ProjectConfigurationPlatforms) = postSolution
-		{8380EF7C-6F0D-488A-9B88-409696E4565F}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{2490BF43-EFD6-4BE0-B231-860EB3508360}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{8380EF7C-6F0D-488A-9B88-409696E4565F}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{2490BF43-EFD6-4BE0-B231-860EB3508360}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{8380EF7C-6F0D-488A-9B88-409696E4565F}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{2490BF43-EFD6-4BE0-B231-860EB3508360}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{8380EF7C-6F0D-488A-9B88-409696E4565F}.Release|Any CPU.Build.0 = Release|Any CPU
+		{2490BF43-EFD6-4BE0-B231-860EB3508360}.Release|Any CPU.Build.0 = Release|Any CPU
+		{6E520079-0F1A-434A-82F8-56D3D5B57645}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{6E520079-0F1A-434A-82F8-56D3D5B57645}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{6E520079-0F1A-434A-82F8-56D3D5B57645}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{6E520079-0F1A-434A-82F8-56D3D5B57645}.Release|Any CPU.Build.0 = Release|Any CPU
+		{36DBAAC0-3FEC-4C5C-8330-C1BD2D08BD05}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{36DBAAC0-3FEC-4C5C-8330-C1BD2D08BD05}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{36DBAAC0-3FEC-4C5C-8330-C1BD2D08BD05}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{36DBAAC0-3FEC-4C5C-8330-C1BD2D08BD05}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

src/Program.cs

@@ -1,15 +0,0 @@
-using System.Windows;
-
-namespace Memory
-{
-    internal partial class Program
-    {
-        [STAThread]
-        public static void Main()
-        {
-            Application app = new();
-            MainWindow mainWindow = new();
-            app.Run(mainWindow);
-        }
-    }
-}