Grf Viewer
GRF is the file extention for Ragnarok Online Game Resource Archive. This file is a sort of .zip storing all resources files from the game in its content.
Writing a loader in javascript was kind of challengeous because of some limitation:
- Memory limitation
- Binary file
- ZLIB compression
- Custom DES encryption
As there is no API to write into the disk there is no way to modify the GRFs you are viewing, or extract a folder from it. That's why it's called GRF Viewer. Maybe in future, more access will be given to javascript and I'll be able to modify it.
Note: By clicking directly into the data folder, it will use the remote client files instead of the files contained in your own GRF file.
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