Add Cocoa launcher

UrhoSharp.Viewer.Cocoa/AppDelegate.cs

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+using AppKit;
+using Foundation;
+
+namespace UrhoSharp.Viewer.Cocoa
+{
+	[Register("AppDelegate")]
+	public class AppDelegate : NSApplicationDelegate
+	{
+		public AppDelegate()
+		{
+		}
+
+		public override void DidFinishLaunching(NSNotification notification)
+		{
+			// Insert code here to initialize your application
+		}
+
+		public override void WillTerminate(NSNotification notification)
+		{
+			// Insert code here to tear down your application
+		}
+	}
+}

UrhoSharp.Viewer.Cocoa/Assets.xcassets/AppIcon.appiconset/Contents.json

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+{
+  "images": [
+    {
+      "filename": "AppIcon-16.png",
+      "size": "16x16",
+      "scale": "1x",
+      "idiom": "mac"
+    },
+    {
+      "filename": "AppIcon-16@2x.png",
+      "size": "16x16",
+      "scale": "2x",
+      "idiom": "mac"
+    },
+    {
+      "filename": "AppIcon-32.png",
+      "size": "32x32",
+      "scale": "1x",
+      "idiom": "mac"
+    },
+    {
+      "filename": "AppIcon-32@2x.png",
+      "size": "32x32",
+      "scale": "2x",
+      "idiom": "mac"
+    },
+    {
+      "filename": "AppIcon-128.png",
+      "size": "128x128",
+      "scale": "1x",
+      "idiom": "mac"
+    },
+    {
+      "filename": "AppIcon-128@2x.png",
+      "size": "128x128",
+      "scale": "2x",
+      "idiom": "mac"
+    },
+    {
+      "filename": "AppIcon-256.png",
+      "size": "256x256",
+      "scale": "1x",
+      "idiom": "mac"
+    },
+    {
+      "filename": "AppIcon-256@2x.png",
+      "size": "256x256",
+      "scale": "2x",
+      "idiom": "mac"
+    },
+    {
+      "filename": "AppIcon-512.png",
+      "size": "512x512",
+      "scale": "1x",
+      "idiom": "mac"
+    },
+    {
+      "filename": "AppIcon-512@2x.png",
+      "size": "512x512",
+      "scale": "2x",
+      "idiom": "mac"
+    }
+  ],
+  "info": {
+    "version": 1,
+    "author": "xcode"
+  }
+}

UrhoSharp.Viewer.Cocoa/Assets.xcassets/Contents.json

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+{
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  }
+}

UrhoSharp.Viewer.Cocoa/Entitlements.plist

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+<?xml version="1.0" encoding="UTF-8" ?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+</dict>
+</plist>

UrhoSharp.Viewer.Cocoa/Info.plist

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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleName</key>
+	<string>UrhoSharp.Viewer.Mac</string>
+	<key>CFBundleIdentifier</key>
+	<string>com.xamarin.urhosharp-viewer-mac</string>
+	<key>CFBundleShortVersionString</key>
+	<string>1.0</string>
+	<key>CFBundleVersion</key>
+	<string>1</string>
+	<key>LSMinimumSystemVersion</key>
+	<string>10.12</string>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>en</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundlePackageType</key>
+	<string>APPL</string>
+	<key>CFBundleSignature</key>
+	<string>????</string>
+	<key>NSHumanReadableCopyright</key>
+	<string>egorb</string>
+	<key>NSPrincipalClass</key>
+	<string>NSApplication</string>
+	<key>NSMainStoryboardFile</key>
+	<string>Main</string>
+	<key>XSAppIconAssets</key>
+	<string>Assets.xcassets/AppIcon.appiconset</string>
+
+</dict>
+</plist>

UrhoSharp.Viewer.Cocoa/Main.cs

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+using AppKit;
+
+namespace UrhoSharp.Viewer.Cocoa
+{
+	static class MainClass
+	{
+		static void Main(string[] args)
+		{
+			NSApplication.Init();
+			NSApplication.Main(args);
+		}
+	}
+}

UrhoSharp.Viewer.Cocoa/PreviewerApplication.cs

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+namespace UrhoSharp.Viewer.Cocoa
+{
+	class PreviewerApplication
+	{
+		AssetsResolver assetsResolver;
+
+		public PreviewerApplication(AssetsResolver assetsResolver)
+		{
+			this.assetsResolver = assetsResolver;
+		}
+	}
+}

UrhoSharp.Viewer.Cocoa/UrhoSharp.Viewer.Cocoa.csproj

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+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <PropertyGroup>
+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
+    <ProjectGuid>{A28AF950-0D4C-4895-AA1E-AD33B253F9BF}</ProjectGuid>
+    <ProjectTypeGuids>{A3F8F2AB-B479-4A4A-A458-A89E7DC349F1};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
+    <OutputType>Exe</OutputType>
+    <RootNamespace>UrhoSharp.Viewer.Cocoa</RootNamespace>
+    <AssemblyName>UrhoSharp.Viewer.Mac</AssemblyName>
+    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
+    <MonoMacResourcePrefix>Resources</MonoMacResourcePrefix>
+    <UseXamMacFullFramework>true</UseXamMacFullFramework>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
+    <DebugSymbols>true</DebugSymbols>
+    <DebugType>full</DebugType>
+    <Optimize>false</Optimize>
+    <OutputPath>bin\Debug</OutputPath>
+    <DefineConstants>DEBUG;</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+    <EnableCodeSigning>false</EnableCodeSigning>
+    <CodeSigningKey>Mac Developer</CodeSigningKey>
+    <CreatePackage>false</CreatePackage>
+    <EnablePackageSigning>false</EnablePackageSigning>
+    <IncludeMonoRuntime>false</IncludeMonoRuntime>
+    <UseSGen>true</UseSGen>
+    <UseRefCounting>true</UseRefCounting>
+    <HttpClientHandler>HttpClientHandler</HttpClientHandler>
+    <TlsProvider>Default</TlsProvider>
+    <LinkMode>None</LinkMode>
+    <XamMacArch></XamMacArch>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
+    <DebugType>pdbonly</DebugType>
+    <Optimize>true</Optimize>
+    <OutputPath>bin\Release</OutputPath>
+    <DefineConstants></DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+    <EnableCodeSigning>false</EnableCodeSigning>
+    <CreatePackage>true</CreatePackage>
+    <EnablePackageSigning>false</EnablePackageSigning>
+    <IncludeMonoRuntime>true</IncludeMonoRuntime>
+    <UseSGen>true</UseSGen>
+    <UseRefCounting>true</UseRefCounting>
+    <LinkMode>None</LinkMode>
+    <HttpClientHandler>HttpClientHandler</HttpClientHandler>
+    <TlsProvider>Default</TlsProvider>
+    <XamMacArch></XamMacArch>
+  </PropertyGroup>
+  <ItemGroup>
+    <Reference Include="System" />
+    <Reference Include="System.Core" />
+    <Reference Include="Xamarin.Mac" />
+    <Reference Include="Urho">
+      <HintPath>..\packages\UrhoSharp.1.3.0\lib\net45\Urho.dll</HintPath>
+    </Reference>
+  </ItemGroup>
+  <ItemGroup>
+    <ImageAsset Include="Assets.xcassets\AppIcon.appiconset\Contents.json" />
+    <ImageAsset Include="Assets.xcassets\AppIcon.appiconset\AppIcon-128.png" />
+    <ImageAsset Include="Assets.xcassets\AppIcon.appiconset\AppIcon-128%402x.png" />
+    <ImageAsset Include="Assets.xcassets\AppIcon.appiconset\AppIcon-16.png" />
+    <ImageAsset Include="Assets.xcassets\AppIcon.appiconset\AppIcon-16%402x.png" />
+    <ImageAsset Include="Assets.xcassets\AppIcon.appiconset\AppIcon-256.png" />
+    <ImageAsset Include="Assets.xcassets\AppIcon.appiconset\AppIcon-256%402x.png" />
+    <ImageAsset Include="Assets.xcassets\AppIcon.appiconset\AppIcon-32.png" />
+    <ImageAsset Include="Assets.xcassets\AppIcon.appiconset\AppIcon-32%402x.png" />
+    <ImageAsset Include="Assets.xcassets\AppIcon.appiconset\AppIcon-512.png" />
+    <ImageAsset Include="Assets.xcassets\AppIcon.appiconset\AppIcon-512%402x.png" />
+    <ImageAsset Include="Assets.xcassets\Contents.json" />
+  </ItemGroup>
+  <ItemGroup>
+    <Folder Include="Resources\" />
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="Info.plist" />
+    <None Include="Entitlements.plist" />
+    <None Include="packages.config" />
+  </ItemGroup>
+  <ItemGroup>
+    <Compile Include="Main.cs" />
+    <Compile Include="AppDelegate.cs" />
+    <Compile Include="ViewController.cs" />
+    <Compile Include="ViewController.designer.cs">
+      <DependentUpon>ViewController.cs</DependentUpon>
+    </Compile>
+  </ItemGroup>
+  <ItemGroup>
+    <InterfaceDefinition Include="Main.storyboard" />
+  </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\UrhoSharp.Viewer.Core\UrhoSharp.Viewer.Core.csproj">
+      <Project>{3019D9B3-3926-4BE1-B8F7-E5AA3FB0486A}</Project>
+      <Name>UrhoSharp.Viewer.Core</Name>
+    </ProjectReference>
+  </ItemGroup>
+  <ItemGroup>
+    <BundleResource Include="..\ViewerAssets\ViewerAssets.pak">
+      <Link>ViewerAssets.pak</Link>
+    </BundleResource>
+  </ItemGroup>
+  <Import Project="$(MSBuildExtensionsPath)\Xamarin\Mac\Xamarin.Mac.CSharp.targets" />
+  <Import Project="..\packages\UrhoSharp.1.3.0\build\net45\UrhoSharp.targets" Condition="Exists('..\packages\UrhoSharp.1.3.0\build\net45\UrhoSharp.targets')" />
+</Project>

UrhoSharp.Viewer.Cocoa/ViewController.cs

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+using System;
+
+using AppKit;
+using Foundation;
+using Urho;
+using UrhoSharp.Viewer.Core;
+using System.Threading.Tasks;
+using CoreGraphics;
+
+namespace UrhoSharp.Viewer.Cocoa
+{
+	public partial class ViewController : NSViewController
+	{
+		PreviewerApplication previewer;
+		UrhoSurface urhoSurface;
+
+		public ViewController(IntPtr handle) : base(handle)
+		{
+		}
+
+		public override async void ViewDidLoad()
+		{
+			base.ViewDidLoad();
+
+			urhoSurface = new UrhoSurface();
+			urhoSurface.Frame = UrhoSurfacePlaceholder.Frame;
+			urhoSurface.AutoresizingMask = NSViewResizingMask.WidthSizable | NSViewResizingMask.HeightSizable;
+			UrhoSurfacePlaceholder.AddSubview(urhoSurface);
+
+			previewer = new PreviewerApplication(new AssetsResolver { AssetsImporterFormats = true, AssetsImporterRareFormats = true, Images = true });
+			previewer.SurfaceRecreationRequested += OnSurfaceRequested;
+		}
+
+		partial void OpenFileButton(Foundation.NSObject sender)
+		{
+			var dlg = NSOpenPanel.OpenPanel;
+			dlg.CanChooseFiles = true;
+			dlg.CanChooseDirectories = false;
+			dlg.AllowsMultipleSelection = false;
+			dlg.Title = "Choose any format Urho3D and Assetimp support";
+
+			if (dlg.RunModal() == 1)
+			{
+				Run(dlg.Filename);
+			}
+		}
+
+		async void Run(string file)
+		{
+			await Task.Delay(1000);
+			previewer.Show(file);
+		}
+
+		IntPtr OnSurfaceRequested()
+		{
+			return urhoSurface.Handle;
+		}
+
+		public override NSObject RepresentedObject
+		{
+			get
+			{
+				return base.RepresentedObject;
+			}
+			set
+			{
+				base.RepresentedObject = value;
+				// Update the view, if already loaded.
+			}
+		}
+	}
+
+
+
+	public class UrhoSurface : NSView
+	{
+		public override async void ViewDidMoveToWindow()
+		{
+			base.ViewDidMoveToWindow();
+			PostsFrameChangedNotifications = true;
+			PostsBoundsChangedNotifications = true;
+		}
+
+		public override async void SetFrameSize(CoreGraphics.CGSize newSize)
+		{
+			base.SetFrameSize(newSize);
+			if (Application.HasCurrent)
+				NSOpenGLContext.CurrentContext?.Update();
+		}
+	}
+}