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https://github.com/xamarin/urho

Code to integrate with the Urho3D engine
https://github.com/xamarin/urho

android dotnet game-engine hololens ios mono urho3d urhosharp uwp xamarin-studio

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Code to integrate with the Urho3D engine

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# ![](http://developer.xamarin.com/guides/cross-platform/urho/introduction/Images/UrhoSharp_icon.png) UrhoSharp



[![Join the chat at https://gitter.im/xamarin/urho](https://badges.gitter.im/xamarin/urho.svg)](https://gitter.im/xamarin/urho?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)



UrhoSharp is a lightweight Game Engine suitable for using with C# and

F# to create games and 3D applications. The game engine is available 

as a **NETStandard 2.0** library, allowing your game code to be written 

once and shared across all platforms. UrhoSharp is powered by [Urho3D](http://urho3d.github.io/),

a game engine that has been under development for more than a decade.

More information can be found in the [UrhoSharp

documentation](http://developer.xamarin.com/guides/cross-platform/urho/introduction/).

The bindings for Urho3D are licensed under the MIT license, as found

on the LICENSE file.



**Key advantages:**

- Lightweight - ~10mb per platform including basic assets

- Embeddable - can be embedded into any app as a subview (UIView, NSView, Panel, etc).

- Open-source - C# bindings and the underlying C++ engine Urho3D are licensed under the MIT License

- Powerful 3rd parties - Bullet, Box2D, Recast/Detour, kNet, FreeType

- Advanced graphics using physically based rendering (PBR), Skeletal animation, Inverse Kinematics etc

- Simple code-first approach (however, it still supports native Urho3D editor)



**Supported platforms:**

- Windows, WPF, WinForms (net45)

- iOS (xamarin.ios10)

- macOS 

- Android (monodroid81)

- UWP (uap10.0.16299)

- **AR: HoloLens, ARKit, ARCore**

- Mixed Reality

- Xamarin.Forms (iOS, Android, UWP)

- Ubuntu

  

  

  

![Sample](Screenshots/Android.gif) ![Sample](Screenshots/SamplyGame.gif)



![Sample](Screenshots/ARKit.gif)



Samples

=======



Sample code lives in https://github.com/xamarin/urho-samples and

repository has them as a git submodule. Samples use UrhoSharp via nuget.



# Setup



Available on NuGet: 

* [UrhoSharp](http://www.nuget.org/packages/UrhoSharp) - the main package,

contains implementations for all platforms including native binaries and basic assets

* [UrhoSharp.Tools](http://www.nuget.org/packages/UrhoSharp.Tools) - contains compiled binaries for AssetImporter and PackageTool for Windows and macOS

* [UrhoSharp.WinForms](http://www.nuget.org/packages/UrhoSharp.WinForms) - WinForms control

* [UrhoSharp.WPF](http://www.nuget.org/packages/UrhoSharp.WPF) - WPF control

* [UrhoSharp.Cocoa](http://www.nuget.org/packages/UrhoSharp.Cocoa) - Cocoa control (macOS)

* [UrhoSharp.Forms](http://www.nuget.org/packages/UrhoSharp.Forms) - Xamarin.Forms support for iOS, Android and UWP

* [UrhoSharp.SharpReality](http://www.nuget.org/packages/UrhoSharp.SharpReality) - HoloLens and Mixed Reality platforms

* [UrhoSharp.HoloLens](http://www.nuget.org/packages/UrhoSharp.HoloLens) - deprecated. Was renamed to UrhoSharp.SharpReality



Quick start

===========



To help developers get up and running quickly with UrhoSharp we are

providing a [solution

template](https://visualstudiogallery.msdn.microsoft.com/0851993e-16e9-417e-92f2-6bdb39308ed2)

for Visual Studio (you can find it in "Online templates" tab).  This

template consists of PCL+Android+iOS+Mac/Windows with a simple scene

and some assets (Xamarin Studio templates will be available soon):



![VS](https://habrastorage.org/files/f22/b49/ded/f22b49dedc264396a47015784bd9b35f.gif)



How to build bindings

=====================



This is currently a little messy, so YMMV.



In order to compile binaries for all platforms you will need both

Windows and OS X environment.  Please follow these steps:



## Compile UrhoSharp on macOS



You will need:

- XCode

- Visual Studio for Mac

- Homebrew (`/usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)`)

- CMake (`brew install cmake`)

- Command Line tools (`xcode-select --install`)

- Android NDK + ANDROID_NDK_HOME environment variable



NOTE: `UrhoSharp.csproj` and `UrhoSharp.Forms.csproj` are SDK-style NETStandard2.0 projects with multi-targeting, 

unfortunately Visual Studio for Mac currently doesn't fully support such projects so you have to compile

them using `msbuild` CLI, e.g. `cd Bindings/Forms && msbuild /restore UrhoSharp.Forms.csproj /p:Configuration=Release /p:Platform=AnyCpu`



If you have an error message `tool 'xcodebuild' requires Xcode, but active developer directory '/Library/Developer/CommandLineTools' is a command line tools instance` during compilation try to switch developer directory like this `sudo xcode-select -s /Applications/Xcode.app/Contents/Developer`



**1. Clone the repository including submodules**



```

git clone [email protected]:xamarin/urho.git --recursive

```



**2. Compile Urho.pch, SharpieBinder and generate bindigs**



The following command will download Clang 3.7.0 if you do not have it

installed, and use this to scan the Urho header files, then compile the sources

to PCH, parse it via SharpieBinder and generate C# bindings. Additionally 

there is a perl script to generate bindings to Urho3D events.



```

make Generated

```



**3. Compile UrhoSharp for Mac (fat dylib)**

```

make Mac

```

it usually takes 5-10 minutes.



**4. Compile UrhoSharp for iOS (fat dylib: i386, x86_64, armv7, arm64)**

```

make iOS SDK_VER=12.1

```



**5. Compile UrhoSharp for Android (armeabi, armeabi-v7a, arm64, x86, x86_64)** 

```

make -j5 Android

```

-j5 means a job per ABI. Make sure you have installed Android SDK and NDK (see MakeAndroid file)

This target can also be executed on Windows.



## Compile UrhoSharp on Windows



Obviously you can't do it on OS X so you have to switch to Windows

environment. Make sure you have installed:



You will need:

- Visual Studio 2017

- [CMake 3.10](https://cmake.org/download)



Open "Command Prompt for Visual Studio" (or regular CMD with msbuild.exe added to the PATH)

Go to the project root directory and execute

```

MakeWindows.bat x64 Release 2017 OpenGL

```

All compiled binaries could be found in the Bin/{platform} folder.

You can also change the parameters, for example the following command:

```

MakeWindows.bat x86 Debug 2017 DirectX

```

Compiles debug version of mono-urho.dll with DirectX as a backend.



## Compile UrhoSharp on Linux*



Special thanks to [@aktowns](https://gist.github.com/aktowns)

Prerequisites for Ubuntu 16.06

```

sudo apt-get install cmake clang-3.7 avr-libc libglew-dev libsdl2-dev libsdl2-image-dev libglm-dev libfreetype6-dev libgl1-mesa-dev libx11-dev

```

Then just execute:

```

make Linux

```

*Tested on Ubuntu 16.06, Fedora 25 and WSL



Updating Documentation

======================



Once you have a build, run the `refresh-docs` target, like this:



```

make refresh-docs

```



This will update the documentation based on the API changes.  Then you

can use a tool like DocWriter [1] on the Mac to edit the contents, or

just edit the ECMA XML documentation by hand with an XML editor.



[1] http://github.com/xamarin/DocWriter