Highly Performant & Scalable Ultima Online Server Emulator
https://www.modernuo.com
c-sharpcsharpcsharp-coredotnetdotnet-coreemulatorgplgplv3mmommo-enginemmorpgmmorpg-serveronlinerpgrunuoserverservuoultimaultima-onlineuo
This update changes the default RunUO SpawnerGump's overall look and feel and expands slightly some functionality. Inspired by the XmlSpawner gump.   1. The name of the spawner is displayed 2. This displays the total current spawn with the current allowed max spawn 3. Cleans up the display of the current count and the max count 4. The ability to turn on/off the spawner 5. Several changes to buttons - Simple Save and Cancel instead of Okay, Cancel and Apply. - Props button to display spawner properties - Goto button to teleport to the spawner - Reset button that will clear all the spawned mobs and turn off the spawner - Repositioned the buttons to make a little more sense 6. The sum of all the max spawn values per entry, from all pages |
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| .config | ||
| .github | ||
| Distribution/Data | ||
| docs | ||
| Projects | ||
| .editorconfig | ||
| .gitattributes | ||
| .gitignore | ||
| azure-pipelines.yml | ||
| CODE_OF_CONDUCT.md | ||
| CONTRIBUTING.md | ||
| Directory.Build.props | ||
| FAQ.md | ||
| LICENSE | ||
| mkdocs.yml | ||
| ModernUO.sln | ||
| publish.cmd | ||
| publish.sh | ||
| README.md | ||
| rider-settings.zip | ||
| Rules.ruleset | ||
| RUNUO_TO_MODERNUO.md | ||
| SPONSORS.md | ||
| stylecop.json | ||
| THIRD-PARTY-NOTICES | ||
| version.json | ||
ModernUO

Ultima Online Server Emulator for the modern era!
Requirements
Supported Operating Systems
Running the server
Development
Supported IDEs
Rider 2021.3+ Visual Studio 2022+
Note: VS Code is not currently supported.
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
- Run
./publish.cmd [release|debug (default: release)] [os]os- Supported operating systemswin- Windows 10/11/2016/2019/2022osx- MacOS 10.15/11.0+/12.0+ (Catalina, Big Sur, Monterey)ubuntu.16.04,ubuntu.18.04ubuntu.20.04- Ubuntu LTSlinuxmint.17,linuxmint.18,linuxmint.19- Linux Mintdebian.10,debian.11- Debiancentos.7,centos.8- CentOSfedora.32,fedora.33,fedora.34,fedora.35,fedora.36- Fedorarhel.7,rhel.8- Redhat- If blank, the operating system running the build is used. Linux Mint 20 is not supported directly yet, so build explicitly against
ubuntu.20.04instead.
Running the Server
- Follow the publish instructions
- Run
ModernUO.exeordotnet ModernUO.dllfrom theDistributiondirectory on the server
Note: If you are running a version of linux that isn't listed above, then you may have to install the following using a package manager:
libargon2-dev,libz-dev, andzstd
Thanks
- RunUO Team & Community
- Voxpire, the ServUO Team & Community
- Karasho, Jaedan and the ClassicUO Community
Troubleshooting / FAQ
- See FAQ
Want to sponsor?
Thank you for supporting us! You can find out how by visiting the sponsors page.
