Case study

openchrome: rebuilding a Dying Light runtime from game data

openchrome is a C++ runtime and viewer for Dying Light 1 game data, using Vulkan and SDL2 to read resources from the user's installation. Its parsers and format notes cover rpack containers, textures, meshes, materials, map placement, lighting, animation and sound banks. The author reports that the viewer renders environments and provides a stand-in walk mode.

Targets: Game
Category: Independent reconstruction cases
Relationship: Independent reconstruction project
Sources reviewed: 2026-11-06
Evidence class: C2 code & docs, no demo or download

Stars: 5
Last commit: 2026-10-04
Language: C++

GitHub data as of 2026-11-10

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Evidence

Observed: Code, documentation and a demo observed; no download method found.
Checked: 2026-11-08

How evidence classes are assigned

Requirements & limits

Prerequisites: A user-owned Dying Light 1 installation containing the game data.
Prerequisites: Windows with MSVC and the Vulkan SDK for the documented viewer build.
Limits: Animation tracks, FMOD Vorbis effects, navmesh and gameplay remain unfinished.
License: No licence file in the repository.

Cite

BibTeX

@misc{openchrome-case,
  title = {{openchrome: rebuilding a Dying Light runtime from game data}},
  howpublished = {\url{https://github.com/fluidmstr/openchrome}},
  url = {https://github.com/fluidmstr/openchrome},
  urldate = {2026-11-06},
  note = {Awesome REA entry: \url{https://awesomerea.org/resources/openchrome-case/}}
}

Plain text

openchrome: rebuilding a Dying Light runtime from game data. https://github.com/fluidmstr/openchrome (accessed 2026-11-06). Awesome REA entry: https://awesomerea.org/resources/openchrome-case/

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About this entry

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Primary sources

README.md GitHub · fluidmstr/openchrome · Revision 9e4c5eb
docs/formats/anim.md GitHub · fluidmstr/openchrome · Revision 9e4c5eb