ColumbiaCGUI / MercuryMessaging
A framework and encompassing toolkit to facilitate nonspatial communication in the Unity game engine.
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Repository Overview (README excerpt)
Crawler viewMercuryMessaging **Hierarchical Message Routing for Unity** Developed by **Columbia University CGUI Lab** --- What is MercuryMessaging? MercuryMessaging enables loosely-coupled communication between Unity GameObjects through hierarchical message routing. Instead of managing direct component references, send messages that automatically propagate through your scene hierarchy. --- Quick Start **Traditional Unity vs MercuryMessaging:** --- Key Features• **Hierarchical Message Routing** - Messages flow through Unity's scene graph• **Fluent DSL API** - Modern chainable API with 77% code reduction• **Multi-Level Filtering** - Target by level, active state, tags, and network status• **Built-in Networking** - FishNet and Photon Fusion 2 support• **FSM Integration** - First-class finite state machine support• **VR/XR Ready** - Compatible with Unity XR Interaction Toolkit• **Zero Dependencies** - Core framework has no external dependencies --- Installation **Unity Package Manager (Git URL):** **Manual Installation:** Download or clone the repository and copy into your project's Assets folder. --- Compatibility | Unity Version | Status | |---------------|--------| | Unity 6 (6000.x) | Tested | | Unity 2022.3 LTS | Recommended | | Unity 2021.3 LTS | Supported | | Unity 2020.3 | Legacy | **Platforms:** Windows, macOS, Linux, Android, iOS, WebGL, Quest 2/3, PC VR (OpenXR) **Optional Networking:** FishNet, Photon Fusion 2 --- Documentation• **Wiki Tutorials** - Step-by-step learning path• **API Reference** - Complete API documentation• **Examples** - Demo scenes and sample code --- Research & Citation MercuryMessaging is a research project from Columbia University. If you use it in your work, please cite: CHI 2018 (Primary Citation) Carmine Elvezio, Mengu Sukan, and Steven Feiner. 2018. **Mercury: A Messaging Framework for Modular UI Components.** In *Proceedings of the 2018 CHI Conference on Human Factors in Computing Systems* (CHI '18). ACM, Paper 588, 12 pages. https://doi.org/10.1145/3173574.3174162 BibTeX IEEE ISMAR 2024 Ben Yang, Xichen He, Jace Li, Carmine Elvezio, and Steven Feiner. 2024. **An XR GUI for Visualizing Messages in ECS Architectures.** In *2024 IEEE International Symposium on Mixed and Augmented Reality Adjunct* (ISMAR-Adjunct). IEEE, 878-879. https://doi.org/10.1109/ISMAR-Adjunct64951.2024.00189 Dissertation Carmine Elvezio. 2021. **XR Development with the Relay and Responder Pattern.** Ph.D. Dissertation, Columbia University. https://doi.org/10.7916/D8-K5VE-HK48 --- Support• **Bug Reports:** GitHub Issues• **Questions:** GitHub Discussions• **Lab Website:** Columbia CGUI Lab This is a research project. We welcome bug reports and feature requests, but are not currently accepting external pull requests. --- License BSD 3-Clause License - Copyright (c) 2017, Columbia University Acknowledgments Funded in part by National Science Foundation Grants IIS-1514429 and CMMI-2037101. Any opinions, findings and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.