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A project to reverse engineer Legend of Dragoon into a high-level language with a modding API. This is not an emulator, but assembly code disassembled and rewritten in Java.
- Game engine is fully functional with a few major graphical glitches that don't negatively affect gameplay
- Modding API is actively in development
- No music support yet (sound effects work with some issues)
- Game is fully playable with no known crashes
Visit our player guide here! https://legendofdragoon.org/projects/severed-chains/
Visit our discord and drop into the #modding channel!
A strong knowledge of Java and MIPS assembly is recommended. If you are interested in contributing (or just curious), the following steps should get you up and running:
- Install a git client and ensure the installation includes command line integration
- Clone this repository to your local computer using git
- Copy your ISOs of the LoD disks into the
isos
directory and rename them to1.iso
,2.iso
, etc. Note: if you have BINs instead of ISOs, it's very likely you can change the file extension to ISO and they will work. - Open your local copy of this repository in your IDE (IntelliJ recommended)
- Gradle should automatically attempt to configure the project and download all dependencies. If it doesn't, expand the gradle tab and click refresh. This process should succeed; resolve any errors if it does not. (lack of command line git can cause issues here)
- Run the project
Note: Java 17 is required. It is strongly recommended to run with assertions enabled.
Controls are currently hardcoded.
Ingame/combat:
- D-pad - arrow keys
- Shape buttons - WASD
- Start - enter
- Select - space
- L1 - Q
- L2 - 1
- L3 - Z
- R1 - E
- R2 - 3
- R3 - C
- F12 - open debug tools (developer features - can easily cause crashes)
To set up a controller:
- Connect your controller (before or after starting the game)
- Press F9
- Press any button on the controller you want to use
NOTE: There are known issues with using DS4windows, and possibly other controller emulators. Severed Chains supports 1800+ controllers out of the box so it's very likely you can just plug in your controller, set it up, and play. If you find a controller that isn't in our controller database, please contact us and we'll work with you to get it added. If you do use DS4windows, make sure your controller isn't hidden and close DS4windows.
Even though it is not an emulator, Legend of Dragoon Java can not be played without the user providing the LoD ISOs. Assets are extracted from the ROMs at runtime. This codebase does not include any official Legend of Dragoon code or assets.