Highly Performant & Scalable Ultima Online Server Emulator
https://www.modernuo.com
c-sharpcsharpcsharp-coredotnetdotnet-coreemulatorgplgplv3mmommo-enginemmorpgmmorpg-serveronlinerpgrunuoserverservuoultimaultima-onlineuo
8613f7d480
Now that CI actually runs the test projects (previous commits), it exposed that the UOContent.Tests bootstrap force-loaded UO client tile data (tiledata.mul) unconditionally in the collection-fixture constructor. On CI the copyrighted client files are absent, so TileData.Load() threw and xUnit failed every test in the collection with the same FileNotFoundException - 337 failures, most of them collateral (packet, scheduler, spawner tests that don't need tile data at all). Mirror the graceful pattern Server.Tests already uses: - TestServerInitializer now probes for tiledata.mul (Core.FindDataFile + File.Exists) and only force-loads tile data / runs the tile-dependent configure steps (MultiData.Configure, VerifyTrammelTileDataLoaded) when present. It exposes TileDataLoaded so the fixture constructor no longer throws when the files are missing. - Add a shared TileDataRequirement.SkipIfMissing() guard and apply it to exactly the 31 pathfinding/multi/AI tests that genuinely require real tile/multi data, converting them to [SkippableFact]/[SkippableTheory]. Result: with client data absent (CI) the suite is 0 failed / 32 skipped / 469 passed; with data present (dev) it is 0 failed / 0 skipped / 501 passed. The 306 collateral failures are gone because the fixture no longer throws. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com> |
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ModernUO 
Ultima Online Server Emulator for the modern era!
Requirements
Supported Operating Systems
Required Frameworks
All Operating Systems
Windows
Development
Supported IDEs
Getting Started
- Install prerequisite requirements
- Clone this repository (or download the latest):
git clone https://github.com/modernuo/ModernUO.git
- Open
ModernUO.slnto start developing
Building/Publishing
Interactive Mode (Recommended for new users)
Run ./publish.cmd (Windows) or ./publish.sh (Linux/macOS) with no arguments to launch the guided build tool. It will:
- Check prerequisites (.NET SDK, native libraries)
- Walk you through configuration and platform selection
- Build and publish the server to the
Distributiondirectory - Show deployment instructions for cross-compiled builds
Command Line
./publish.cmd [release|debug] [os] [arch]
os- Supported operating systemsarchx64- Intel/AMD 64-bitarm64- ARM 64-bit
Linux Prerequisites
Fedora, CentOS, RHEL, etc
dnf upgrade --refresh -y
# CentOS does not come with EPEL enabled
dnf install -y epel-release epel-next-release
dnf install -y findutils libicu libdeflate-devel zstd libargon2-devel liburing-devel
Ubuntu, Debian, etc
apt-get update -y
apt-get install -y libicu-dev libdeflate-dev zstd libargon2-dev liburing-dev
OSX Requirements
brew install icu4c libdeflate zstd argon2
Running the Server
- Follow the publish instructions
- The
Distributiondirectory is portable — copy it to your production server for deployment - Run
ModernUO.exeordotnet ModernUO.dllfrom theDistributiondirectory - On first run, the server will prompt you to configure game data file locations
Troubleshooting / FAQ
- See FAQ
Want to sponsor?
Thank you for supporting us! You can find out how by visiting the sponsors page.
Collaborators
Thanks
- RunUO Team & Community
- Voxpire, the ServUO Team & Community
- Karasho, Jaedan and the ClassicUO Community
Development Tools & Plugins provided with ♥ by
Code Signing Policy
Free code signing provided by SignPath.io, certificate by SignPath Foundation.
This program will not transfer any information to other networked systems unless specifically requested by the user or the person installing or operating it
Teams & Roles
Approvers & Committers: Development Team