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Hello community! I am DoDoCat (cookgreen on GitHub), and I’m very excited to introduce a passion project I’ve been working on: CorrinoEngine. CorrinoEngine is an open-source, custom game engine written from scratch in C#. Its primary goal and ultimate milestone is to completely recreate and run the classic 2001 Westwood Studios RTS, Emperor: Battle for Dune. The project is named "Corrino"—derived from the Emperor Corrino character in *Emperor: Battle for Dune*—and is thus called "CorrinoEngine." This naming choice was made to avoid the common "Open+XXX" convention, as a project named "OpenDune" already exists. The project is built using pure C# and OpenTK; C# handles the logic layer, while OpenTK manages 3D rendering. It also includes logic for parsing Xbf and RFH/RFD file formats. Why CorrinoEngine? As many of you know, playing Emperor: Battle for Dune on modern operating systems (Windows 10/11) has become incredibly difficult due to outdated DirectX dependencies, deprecated DRM systems, and overall compatibility issues. CorrinoEngine aims to solve this by providing a native, cross-platform capable, modern foundation to play the original game natively—much like what OpenRA has done for the 2D C&C games. Technical Overview Language & Framework: Built entirely in C# running on .NET 6.0. Rendering: Powered by OpenTK for modern 3D graphics, stepping away from the original legacy rendering pipelines. UI & Tooling: Integrated with ImGui to build robust debugging tools and model viewers. Credit: A huge shoutout to IceReaper and the ebfd-re project. Their previous reverse-engineering efforts on the game's original file formats laid the crucial groundwork for this project. Current Status & What's Next Currently, the project is in its heavy development phase. We can successfully parse and render many of the original game assets. The focus right now is on building out the core engine systems and refining the asset pipeline. It is a long-term journey, but every parsed model and rendered frame is a step closer to Arrakis. Get Involved! Since this is an open-source project (GNU GPLv3), I am warmly welcoming anyone interested in C# game development, reverse engineering, or RTS game logic to check out the repository. Whether it's contributing code, testing, or just dropping a star and some feedback, your support means a lot. GitHub Repository: https://github.com/cookgreen/CorrinoEngine/ Join the Discussion: Leave a comment below or open an issue on GitHub! I also created the moddb page for CorrinoEngine: https://www.moddb.com/engines/corrinoengine The Spice must flow, and so must the code! Thanks for reading. Youtube:

Thank you very much! I haven't used this software for several years. And now I am trying to recall. I did it!

Well said! The feasibility of tunneling depends on map-scale. In Metra mode, a whole system should be possible underground. On a continental map, tunneling under even one square (six miles) would represent one of the longest tunnels in the US. If the game did have tunnels, then I'd allow only electric track and locomotives. While some steam and diesels can / do use tunnels, there are many places (e.g. under Manhattan and the Hudson) where heat and fumes caused so many problems that electrification came quickly. I'm not sure that max train length needs to be explicit. Loco strength vs cargo weight alone effectively limits length already.

Good job! 😃