You mentioned on Discord that the backend supports this, but there isn't a GUI (or CLI) method for doing this yet.
Looking at lumpfileheader_t, it seems S1 LMP files store what lump they replace, so the only error checking I can think would be necessary would be making sure lumpLength is correct (if the value found at that position isn't, it probably is an IdTech LMP instead).
Describe Your Suggestion
You mentioned on Discord that the backend supports this, but there isn't a GUI (or CLI) method for doing this yet.
Looking at
lumpfileheader_t, it seems S1 LMP files store what lump they replace, so the only error checking I can think would be necessary would be making surelumpLengthis correct (if the value found at that position isn't, it probably is an IdTech LMP instead).