Highly Performant & Scalable Ultima Online Server Emulator
https://www.modernuo.com
c-sharpcsharpcsharp-coredotnetdotnet-coreemulatorgplgplv3mmommo-enginemmorpgmmorpg-serveronlinerpgrunuoserverservuoultimaultima-onlineuo
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## Summary Migrates 14 ConPVP lobby/tournament gumps from legacy `Gump` to modern `DynamicGump`/`StaticGump<T>`. Layouts move into `BuildLayout(ref DynamicGumpBuilder)`, constructors become private, and validation moves into static `DisplayTo` entry points (empty-gump rule). **Per-gump base type decisions:** - `BeginGump` → `StaticGump<BeginGump>`: layout is fully fixed (no dynamic content). All other gumps below are `DynamicGump` because they bake dynamic player names, guild abbreviations, ruleset titles, arena names, tournament participant names, ladder rankings, or per-instance rule modifications. Per the cliloc/dynamic-text rule, dynamic content forces `DynamicGump`. - `ReadyGump`, `ReadyUpGump` → `DynamicGump` (per-instance participant rosters). - `AcceptDuelGump`, `AcceptTeamGump`, `ConfirmSignupGump` → `DynamicGump` (challenger/registrar/team names, dynamic rule modifications). - `PickRulesetGump`, `RulesetGump` → `DynamicGump` (ruleset titles and option labels per instance). - `ParticipantGump`, `DuelContextGump` → `DynamicGump` (player rosters/team labels). - `LadderGump` → `DynamicGump` (ladder entries: ranks, levels, guild abbrs, names, wins/losses). - `ArenaGump` → `DynamicGump` (arena names with active player names). - `PreferencesGump` → `DynamicGump` (arena name list). - `TournamentBracketGump` (~1k LOC) → `DynamicGump`. The whole gump is one type-switched view that re-renders on every button press across `Index`, `Rules_Info`, `Participant_List`, `Participant_Info`, `Round_List`, `Round_Info`, `Match_Info`, `Player_Info`. All branches bake per-instance content. **Refresh-via-this conversions (the big perf wins):** - `LadderGump`: page +/- now mutates `_page` and calls `from.SendGump(this)` instead of allocating a new `LadderGump`. - `PickRulesetGump`: ruleset apply / flavor toggle now refreshes via `this`. - `ParticipantGump`: increase/decrease team size, remove player, target failure all refresh via `this`. - `DuelContextGump`: failed-start and add-participant refresh via `this`. - `ConfirmSignupGump`: every signup-validation rejection branch in `OnResponse` and every `AddPlayer_OnTarget` rejection branch refreshes via `this` (was allocating a new gump per branch). - `TournamentBracketGump`: every navigation button (back/forward, type change, page change, drill-down) mutates `_type`/`_object`/`_list`/`_page` and refreshes via `this`. Previously each click allocated a new 1k LOC gump. All gumps are `Singleton`, use private constructors with static `DisplayTo` entry points that null-check `NetState` before allocation. External callers in `DuelContext`, `TournamentBracketItem`, `TournamentController`, `TournamentSignupItem`, and the cross-references between `AcceptDuelGump`/`ParticipantGump`/`AcceptTeamGump`/`ConfirmSignupGump` are all updated to use `DisplayTo`. Legacy `m_X` fields renamed to `_x` per coding standards. |
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| .config | ||
| .github | ||
| dev-docs | ||
| Distribution/Data | ||
| Projects | ||
| .cursorrules | ||
| .editorconfig | ||
| .gitattributes | ||
| .gitignore | ||
| AGENTS.md | ||
| azure-pipelines.yml | ||
| CLAUDE.md | ||
| CODE_OF_CONDUCT.md | ||
| CONTRIBUTING.md | ||
| Directory.Build.props | ||
| FAQ.md | ||
| GEMINI.md | ||
| global.json | ||
| LICENSE | ||
| ModernUO.slnx | ||
| publish.cmd | ||
| publish.ps1 | ||
| publish.sh | ||
| README.md | ||
| rider-settings.zip | ||
| Rules.ruleset | ||
| SPONSORS.md | ||
| stylecop.json | ||
| THIRD-PARTY-NOTICES | ||
| version.json | ||
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
