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https://web.archive.org/web/20230000000000fw_/https://www.zenhax.com/viewtopic.php?t=17765

Asciigdl, posted Wed Dec 14, 2022 11:25 pm (74606)

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https://www.hpgames.jp/dolphin-wave/

This game is available for PC and mobile devices and the models seem to be stored inside .lzs and .lza files, the lzs can be extracted with the script below and the resulting .bum files seem to be a similar format used in Senran Kagura/ToLoveRu games but slightly different which can't be loaded/converted with current tools for those games (as far as I know):

Code:

#Quickbms Script
#by chrrox
#http://aluigi.altervista.org/quickbms.htm
comtype LZSS0
get zsize asize
get size long
math zsize -= 4
if SIZE & 0x80000000
log MEMORY_FILE 4 zsize
else
clog MEMORY_FILE 4 zsize size
endif
get files short MEMORY_FILE
goto 0 MEMORY_FILE
for i = 0 get null short MEMORY_FILE
get type short MEMORY_FILE
get offset long MEMORY_FILE
get size long MEMORY_FILE
get id long MEMORY_FILE
get name basename
getdstring name2 0x30 MEMORY_FILE
string name   \
string name   name2
log name offset size MEMORY_FILE
next i

Some sample files are available here in case anyone is interested in taking a look:

https://mega.nz/folder/ULpHCCwa#qIULZ0RqPfgV-51mNhSuzQ