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 Post subject: These .atlas and .etc1 textures
PostPosted: Thu Oct 19, 2017 12:32 am 
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Here's an example:
https://mega.nz/#!3oVWiSwB!i5Qeix8F5tth ... rdVkXbzIpg

The atlas is quite obvious what it does, but the .etc1 files are apparently Ericsson Texture Compressed? Could not find any tool that knew how to decompress them, not even sure what the format is AFTER they are even decompressed. Probably a simple one but I couldn't figure it out.

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 Post subject: Re: These .atlas and .etc1 textures
PostPosted: Thu Oct 19, 2017 9:35 am 
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the *.etc1 files are gzip compressed, i just used 7-zip to extract the image file, then ran this bms script on those files
Code:
# script for QuickBMS http://aluigi.altervista.org/quickbms.htm

get SIZE asize
get NAME basename
string NAME + .pkm
math SIZE - 4
log NAME 0x4 SIZE

and finally open those *.pkm files with "Mali Texture Compression Tool". :D

edit
if you want to extract and prep the pkm file in one step use this bms script on the *.etc1 files :D
Code:
# script for QuickBMS http://aluigi.altervista.org/quickbms.htm

comtype gzip
get ZSIZE asize
get NAME basename
string NAME + .pkm
log memory_file 0 0
append
clog memory_file 0x0 ZSIZE ZSIZE
append
get SIZE asize memory_file
math SIZE - 4
log NAME 0x4 SIZE memory_file

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 Post subject: Re: These .atlas and .etc1 textures
PostPosted: Thu Oct 19, 2017 6:48 pm 
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n00b

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Thanks, I never even thought to try to open with 7zip! Couldn't figure out how to save the image with Mali (option was greyed out) but just used etc1tool from the android-sdk I had lying around.


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 Post subject: Re: These .atlas and .etc1 textures
PostPosted: Thu Oct 19, 2017 9:09 pm 
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Mikeee wrote:
Couldn't figure out how to save the image with Mali (option was greyed out)

instruction for saving out in "Mali Texture Compression Tool" is here :D
viewtopic.php?p=92181#p92181
Quote:
1. Right-Click on the .pkm file and click "Compress selected images"
2. Set output format to "PKM"
3. Right-Click the .pkm file again and the "Save compressed image(s) as..." function should be unlocked



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