Game of Life (#432)

* New sample.

* Win support.

8.0/Apps/GameOfLife/GameOfLife.sln

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+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.8.34525.116
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "GameOfLife", "GameOfLife\GameOfLife.csproj", "{236EDA58-32B7-4789-8327-FCF9016E8621}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{236EDA58-32B7-4789-8327-FCF9016E8621}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{236EDA58-32B7-4789-8327-FCF9016E8621}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{236EDA58-32B7-4789-8327-FCF9016E8621}.Debug|Any CPU.Deploy.0 = Debug|Any CPU
+		{236EDA58-32B7-4789-8327-FCF9016E8621}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{236EDA58-32B7-4789-8327-FCF9016E8621}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {F4AE3140-D3C9-48F6-A9BB-B90F47B46A66}
+	EndGlobalSection
+EndGlobal

8.0/Apps/GameOfLife/GameOfLife/AboutPage.xaml

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+<?xml version="1.0" encoding="utf-8" ?>
+<ContentPage xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
+             xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
+             x:Class="GameOfLife.AboutPage"
+             Title="About">
+    <VerticalStackLayout Padding="20"
+                         BackgroundColor="White">
+        <Label Text="The Game of Life"
+               FontSize="Large"
+               HorizontalTextAlignment="Center" />
+        <Label Text="This is an implementation of the Game of Life for .NET MAUI. Life is a cellular automaton invented by mathematician John Conway in 1970 and popularized in Scientific American." />
+        <Label Text="Tap cells to make them &quot;alive&quot;. A clustered population of live cells works the best. Then press the Run! button. Rules are applied to the live cells to generate successive populations. A population might grow, or shrink, or stagnate, or disappear." />
+        <Label Text="For more information, see the Wikipedia article:" />
+        <Label Text="https://en.wikipedia.org/wiki/Conway's_Game_of_Life"
+                TextColor="Blue"
+                FontAttributes="Italic"
+                HorizontalTextAlignment="Center">
+            <Label.GestureRecognizers>
+                <TapGestureRecognizer Tapped="OnHyperlinkTapped" />
+            </Label.GestureRecognizers>
+        </Label>
+        <Button Text="OK"
+                Clicked="OnCloseButtonClicked" />
+    </VerticalStackLayout>
+</ContentPage>

8.0/Apps/GameOfLife/GameOfLife/AboutPage.xaml.cs

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+namespace GameOfLife;
+
+public partial class AboutPage : ContentPage
+{
+    public AboutPage()
+    {
+        InitializeComponent();
+    }
+
+    async void OnHyperlinkTapped(object sender, EventArgs args)
+    {
+        Label label = (Label)sender;
+        await Launcher.OpenAsync(label.Text);
+    }
+
+    async void OnCloseButtonClicked(object sender, EventArgs e)
+    {
+        await Navigation.PopModalAsync();
+    }
+}

8.0/Apps/GameOfLife/GameOfLife/App.xaml

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+<?xml version = "1.0" encoding = "UTF-8" ?>
+<Application xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
+             xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
+             xmlns:local="clr-namespace:GameOfLife"
+             x:Class="GameOfLife.App">
+    <Application.Resources>
+        <ResourceDictionary>
+            <ResourceDictionary.MergedDictionaries>
+                <ResourceDictionary Source="Resources/Styles/Colors.xaml" />
+                <ResourceDictionary Source="Resources/Styles/Styles.xaml" />
+            </ResourceDictionary.MergedDictionaries>
+
+            <Style TargetType="Label">
+                <Setter Property="TextColor" Value="Black" />
+                <Setter Property="Margin" Value="0, 10" />
+            </Style>
+
+            <Style TargetType="Button">
+                <Setter Property="HorizontalOptions" Value="Center" />
+                <Setter Property="Margin" Value="0, 5" />
+            </Style>
+
+        </ResourceDictionary>
+    </Application.Resources>
+</Application>
+

8.0/Apps/GameOfLife/GameOfLife/App.xaml.cs

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+namespace GameOfLife;
+
+public partial class App : Application
+{
+	public App()
+	{
+		InitializeComponent();
+
+		MainPage = new AppShell();
+	}
+}
+

8.0/Apps/GameOfLife/GameOfLife/AppShell.xaml

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+<?xml version="1.0" encoding="UTF-8" ?>
+<Shell
+    x:Class="GameOfLife.AppShell"
+    xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
+    xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
+    xmlns:local="clr-namespace:GameOfLife"
+    Shell.FlyoutBehavior="Disabled"
+    Title="GameOfLife">
+
+    <ShellContent
+        Title="Home"
+        ContentTemplate="{DataTemplate local:MainPage}"
+        Route="MainPage" />
+
+</Shell>
+

8.0/Apps/GameOfLife/GameOfLife/AppShell.xaml.cs

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+namespace GameOfLife;
+
+public partial class AppShell : Shell
+{
+	public AppShell()
+	{
+		InitializeComponent();
+	}
+}
+

8.0/Apps/GameOfLife/GameOfLife/GameCell.cs

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+namespace GameOfLife
+{
+    class GameCell : BoxView
+    {
+        public int Row { get; set; }
+        public int Col { get; set; }
+
+        bool isAlive;
+        public bool IsAlive
+        {
+            get
+            {
+                return isAlive;
+            }
+            set
+            {
+                if (isAlive != value)
+                {
+                    isAlive = value;
+                    BackgroundColor = isAlive ? Colors.Black : Colors.White;
+                }
+            }
+        }
+
+        public event EventHandler Tapped;
+
+        public GameCell()
+        {
+            BackgroundColor = Colors.White;
+
+            TapGestureRecognizer tapGesture = new TapGestureRecognizer();
+            tapGesture.Tapped += (sender, args) =>
+            {
+                Tapped?.Invoke(this, EventArgs.Empty);
+            };
+            GestureRecognizers.Add(tapGesture);
+        }
+    }
+}

8.0/Apps/GameOfLife/GameOfLife/GameGrid.cs

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+namespace GameOfLife
+{
+    class GameGrid
+    {
+        // Change to true for grid-wrapping logic
+        const bool Wrap = false;
+
+        // Internal structure for encapsulting integer cell coordinates
+        // Keep this a structure for automatic equality comparison!
+        struct Coordinate
+        {
+            public int X { get; private set; }
+            public int Y { get; private set; }
+
+            public Coordinate(int x, int y)
+            {
+                X = x;
+                Y = y;
+            }
+        }
+
+        // The current population is stored in two ways, both of which are valid and consistent after every method call.
+
+        // This is a List of the coordinates of living cells:
+        List<Coordinate> coordinates = new List<Coordinate>();
+
+        // This is an array for for performing the Tick algorithm efficiently:
+        int cols = 10;
+        int rows = 10;
+        bool[,] grid = new bool[10, 10];
+
+        public void SetSize(int cols, int rows)
+        {
+            if (cols <= 0 || rows <= 0)
+                throw new ArgumentException("GameGrid.SetSize: Arguments must be greater than zero");
+
+            // If !Wrap, remove items from coordinates if X or Y greater than new cols and rows
+            if (!Wrap)
+            {
+                List<Coordinate> removeList = new List<Coordinate>();
+                foreach (Coordinate coordinate in coordinates)
+                {
+                    if (coordinate.X < 0 || coordinate.X >= cols ||
+                        coordinate.Y < 0 || coordinate.Y >= rows)
+                    {
+                        removeList.Add(coordinate);
+                    }
+                }
+                foreach (Coordinate coordinate in removeList)
+                {
+                    coordinates.Remove(coordinate);
+                }
+            }
+
+            this.cols = cols;
+            this.rows = rows;
+            CreateGridArray();
+        }
+
+        public void SetStatus(int x, int y, bool isAlive)
+        {
+            Coordinate coordinate = new Coordinate(x, y);
+
+            if (isAlive && !coordinates.Contains(coordinate))
+                coordinates.Add(coordinate);
+            if (!isAlive && coordinates.Contains(coordinate))
+                coordinates.Remove(coordinate);
+
+            CreateGridArray();
+        }
+
+        public bool IsAlive(int x, int y)
+        {
+            return grid[x, y];
+        }
+
+        public void Clear()
+        {
+            coordinates.Clear();
+            CreateGridArray();
+        }
+
+        public bool Tick()
+        {
+            coordinates.Clear();
+
+            if (grid == null)
+                return false;
+
+            for (int x = 0; x < cols; x++)
+            {
+                for (int y = 0; y < rows; y++)
+                {
+                    int count = 0;
+
+                    for (int xi = x - 1; xi <= x + 1; xi++)
+                        for (int yi = y - 1; yi <= y + 1; yi++)
+                        {
+                            if (Wrap)
+                            {
+                                count += grid[(xi + cols) % cols, (yi + rows) % rows] ? 1 : 0;
+                            }
+                            else
+                            {
+                                if (xi >= 0 && yi >= 0 && xi < cols && yi < rows)
+                                {
+                                    count += grid[xi, yi] ? 1 : 0;
+                                }
+                            }
+                        }
+
+                    if (count == 3 || (count == 4 && grid[x, y]))
+                    {
+                        // Modulo arithmetic is necessary when Wrap is true
+                        coordinates.Add(new Coordinate(x % cols, y % rows));
+                    }
+                }
+            }
+
+            CreateGridArray();
+            return coordinates.Count > 0;
+        }
+
+        void CreateGridArray()
+        {
+            if (rows <= 0 || cols <= 0)
+            {
+                grid = null;
+                return;
+            }
+
+            grid = new bool[cols, rows];
+            foreach (Coordinate coordinate in coordinates)
+            {
+                // Modulo arithmetic is necessary when Wrap is true
+                grid[coordinate.X % cols, coordinate.Y % rows] = true;
+            }
+        }
+    }
+}

8.0/Apps/GameOfLife/GameOfLife/GameOfLife.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+	<PropertyGroup>
+		<TargetFrameworks>net8.0-android;net8.0-ios;net8.0-maccatalyst</TargetFrameworks>
+		<TargetFrameworks Condition="$([MSBuild]::IsOSPlatform('windows'))">$(TargetFrameworks);net8.0-windows10.0.19041.0</TargetFrameworks>
+		<!-- Uncomment to also build the tizen app. You will need to install tizen by following this: https://github.com/Samsung/Tizen.NET -->
+		<!-- <TargetFrameworks>$(TargetFrameworks);net8.0-tizen</TargetFrameworks> -->
+
+		<!-- Note for MacCatalyst:
+		The default runtime is maccatalyst-x64, except in Release config, in which case the default is maccatalyst-x64;maccatalyst-arm64.
+		When specifying both architectures, use the plural <RuntimeIdentifiers> instead of the singular <RuntimeIdentifer>.
+		The Mac App Store will NOT accept apps with ONLY maccatalyst-arm64 indicated;
+		either BOTH runtimes must be indicated or ONLY macatalyst-x64. -->
+		<!-- For example: <RuntimeIdentifiers>maccatalyst-x64;maccatalyst-arm64</RuntimeIdentifiers> -->
+
+		<OutputType>Exe</OutputType>
+		<RootNamespace>GameOfLife</RootNamespace>
+		<UseMaui>true</UseMaui>
+		<SingleProject>true</SingleProject>
+		<ImplicitUsings>enable</ImplicitUsings>
+		<Nullable>enable</Nullable>
+
+		<!-- Display name -->
+		<ApplicationTitle>GameOfLife</ApplicationTitle>
+
+		<!-- App Identifier -->
+		<ApplicationId>com.companyname.gameoflife</ApplicationId>
+
+		<!-- Versions -->
+		<ApplicationDisplayVersion>1.0</ApplicationDisplayVersion>
+		<ApplicationVersion>1</ApplicationVersion>
+
+		<SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'ios'">11.0</SupportedOSPlatformVersion>
+		<SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'maccatalyst'">13.1</SupportedOSPlatformVersion>
+		<SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'android'">21.0</SupportedOSPlatformVersion>
+		<SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'windows'">10.0.17763.0</SupportedOSPlatformVersion>
+		<TargetPlatformMinVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'windows'">10.0.17763.0</TargetPlatformMinVersion>
+		<SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'tizen'">6.5</SupportedOSPlatformVersion>
+	</PropertyGroup>
+
+	<ItemGroup>
+		<!-- App Icon -->
+		<MauiIcon Include="Resources\AppIcon\appicon.svg" ForegroundFile="Resources\AppIcon\appiconfg.svg" Color="#512BD4" />
+
+		<!-- Splash Screen -->
+		<MauiSplashScreen Include="Resources\Splash\splash.svg" Color="#512BD4" BaseSize="128,128" />
+
+		<!-- Images -->
+		<MauiImage Include="Resources\Images\*" />
+		<MauiImage Update="Resources\Images\dotnet_bot.svg" BaseSize="168,208" />
+
+		<!-- Custom Fonts -->
+		<MauiFont Include="Resources\Fonts\*" />
+
+		<!-- Raw Assets (also remove the "Resources\Raw" prefix) -->
+		<MauiAsset Include="Resources\Raw\**" LogicalName="%(RecursiveDir)%(Filename)%(Extension)" />
+	</ItemGroup>
+
+	<ItemGroup>
+		<PackageReference Include="Microsoft.Maui.Controls" Version="$(MauiVersion)" />
+		<PackageReference Include="Microsoft.Maui.Controls.Compatibility" Version="$(MauiVersion)" />
+		<PackageReference Include="Microsoft.Extensions.Logging.Debug" Version="8.0.0" />
+	</ItemGroup>
+
+</Project>