What is Jedi Knight: Dark Forces II Engine Reimplementation?

Jedi Knight: Dark Forces II Engine Reimplementation is an open-source engine reimplementation of Star Wars Jedi Knight: Dark Forces II. A new engine written from scratch that loads the original game's data files. The original game ran on Windows, macOS, Linux, Android, Dreamcast and Other.

Do I need the original game files to run Jedi Knight: Dark Forces II Engine Reimplementation?

Yes. The project does not include the original game's assets, so you need your own copy.

Jedi Knight: Dark Forces II Engine Reimplementation

Engine reimplementationActive

A new engine written from scratch that loads the original game's data files.

Based on Star Wars Jedi Knight: Dark Forces II

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Jedi Knight: Dark Forces II Engine Reimplementation screenshot

Links, repository & details

About

OpenJKDF2 is a function-by-function reimplementation of Jedi Knight: Dark Forces II (DF2) in C, with 64-bit ports to Windows 7+, macOS 10.15+ and Linux. Its files are organized as closely to the original game as possible. It includes no original game assets, and a valid copy of the game is required; the README recommends the GOG version.

How it differs from the original

DirectX dependencies are replaced with SDL2 and OpenAL, and it runs on more platforms: ARM64 Android, Nintendo DSi, Dreamcast, and WebAssembly in a browser. Two features, load and save configuration under Setup > Controls > Options and plus/minus screen resizing, are not implemented yet.

Getting started

On Linux, paths and filenames may be case-sensitive. A WebAssembly demo is available to try before buying.

Known issues & limitations

Loading and saving configuration in Setup > Controls > Options are not implemented yet.
With SDL2, using plus or minus to resize the screen does not work; the resolution auto-resizes to the window size.
V3D GLES has trouble with palettes on Linux.

What you need to run it

Original game files required. The project ships code only; you provide your own copy of the game (Windows, macOS, Linux, Android, Dreamcast, Other version).

You need game data from a licensed copy; the project does not provide game assets.

Features

It supports playing the original soundtrack from Ogg Vorbis files.

Summarised from the project's README.

Status & roadmap

2694 of 3169 functions are reimplemented, 56.758% by weight, or 95.857% by weight excluding the rasterizer.

Additional notes

Soundtrack: Original soundtrack playback from Ogg Vorbis files works with the GOG and Steam versions; dumping it from disks is planned.

FAQ

What is Jedi Knight: Dark Forces II Engine Reimplementation?: Jedi Knight: Dark Forces II Engine Reimplementation is an open-source engine reimplementation of Star Wars Jedi Knight: Dark Forces II. A new engine written from scratch that loads the original game's data files. The original game ran on Windows, macOS, Linux, Android, Dreamcast and Other.
Do I need the original game files to run Jedi Knight: Dark Forces II Engine Reimplementation?: Yes. The project does not include the original game's assets, so you need your own copy.