Case study

YaPang: matching decompilation of the PangYa client and renderer

YaPang reconstructs the 2011 PangYa client and Direct3D renderer as C++ source checked function by function with objdiff against the original binaries. A separate JP client code area is functionally decompiled for a port. Third-party libraries are excluded from the decompilation.

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: 9
Last commit: 2026-10-29
Language: C++
License (GitHub): CC0-1.0

GitHub data as of 2026-11-10

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Evidence

Observed: Code and documentation observed; no download method or demo found.
Checked: 2026-11-09

How evidence classes are assigned

Requirements & limits

Prerequisites: A legally obtained PangYa copy is required for building or running.
Prerequisites: Matching uses Visual C++ .NET 2003 SP1 and the original compiler flags.
Scope: Third-party libraries are excluded, and the JP 983 code is not part of the matching build.
License: The contributors' original work is CC0 1.0.

Cite

BibTeX

@misc{yapang-case,
  title = {{YaPang: matching decompilation of the PangYa client and renderer}},
  howpublished = {\url{https://github.com/hsreina/YaPang}},
  url = {https://github.com/hsreina/YaPang},
  urldate = {2026-11-06},
  note = {Awesome REA entry: \url{https://awesomerea.org/resources/yapang-case/}}
}

Plain text

YaPang: matching decompilation of the PangYa client and renderer. https://github.com/hsreina/YaPang (accessed 2026-11-06). Awesome REA entry: https://awesomerea.org/resources/yapang-case/

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About this entry

The description was reviewed against primary sources.

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Primary sources

README.md GitHub · hsreina/YaPang · Revision a63590d
src/jp/README.md GitHub · hsreina/YaPang · Revision a63590d
LICENSE GitHub · hsreina/YaPang · Revision a63590d