[Tutorial] Ripping From the Game Eastward

[Tutorial] Ripping From the Game Eastward - Printable Version

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[Tutorial] Ripping From the Game Eastward - boilingpot - 10-17-2021

Eastward has super charming, Earthbound-inspired pixel art, so I knew I had to get my hands on it. The organization part of ripping from it is hard though, so here is a tutorial in the meantime.
Edit: Eastward Extractor (https://github.com/Dav-e-Jones/EastwardExtractor) is the better method, especially because it preserves the transparency of the sprites. You need .NET core 3.0 for it to run, though.

The \content\game folder has gfx.g and gfx_main.g archives that contain graphics.
Use the following BMS script [1] on one of those files:

Code:
comtype zstd get DUMMY long # 0x6a37 get FILES long for i = 0 < FILES get NAME string get OFFSET long get ZIP long # 2 get SIZE long get ZSIZE long if ZIP == 0 log NAME OFFSET SIZE elif ZIP == 2 clog NAME OFFSET ZSIZE SIZE else print "Error: unsupported ZIP %ZIP%, contact me" cleanexit endif next i
The result is a bunch of files and folders named something like 0b943feca0857d39c68014b67089e7e0. Unfortunately, this makes it difficult to know what you're getting before you rip the sprites.
Inside one of those folders are files named decks.hmg and decks_n.hmg. Graphics files can also be the ones outside the folders, if they have a header that starts with PGF.
Use the following BMS script [2] on the files:

Code:
#Decompress eastward texture resource #By Allen #Script for Quickbms comtype LZ77EA_970 IDString "PGF" get UnkLen1 byte get FileSize long goto UnkLen1 0 SEEK_CUR get ZSIZE long get Width long get Height long get Bpp byte get unk byte get UnkLen2 byte get unk2 byte goto UnkLen2 0 SEEK_CUR savepos OFFSET set SIZE LONG 0 xmath SIZE "Width * Height * Bpp / 8" get NAME BASENAME string NAME + "_decmp" clog NAME OFFSET ZSIZE SIZE
Open the resulting decks_decmp or decks_n_decmp in TiledGGD. Alter the height and width of the image, and set the Image Endianness to little-endian.
Export it, and there you have it: a map of sprites from the game. The decks_n file is a normal map.

[1] - https://zenhax.com/viewtopic.php?t=15820
[2] - https://zenhax.com/viewtopic.php?f=7&t=15259#p66633
[X] - The game's engine is at least in part open-source. Just thought that was interesting.

RE: [Tutorial] Ripping From the Game Eastward - ElleDiablo - 08-04-2023

(10-17-2021, 06:06 PM)boilingpot Wrote: Eastward has super charming, Earthbound-inspired pixel art, so I knew I had to get my hands on it. The organization part of ripping from it is hard though, so here is a tutorial in the meantime.
Edit: Eastward Extractor (https://github.com/Dav-e-Jones/EastwardExtractor) is the better method, especially because it preserves the transparency of the sprites. You need .NET core 3.0 for it to run, though.

The \content\game folder has gfx.g and gfx_main.g archives that contain graphics.

Use the following BMS script [1] on one of those files:

Code:
comtype zstd get DUMMY long # 0x6a37 get FILES long for i = 0 < FILES get NAME string get OFFSET long get ZIP long # 2 get SIZE long get ZSIZE long if ZIP == 0 log NAME OFFSET SIZE elif ZIP == 2 clog NAME OFFSET ZSIZE SIZE else print "Error: unsupported ZIP %ZIP%, contact me" cleanexit endif next i

The result is a bunch of files and folders named something like 0b943feca0857d39c68014b67089e7e0. Unfortunately, this makes it difficult to know what you're getting before you rip the sprites.

Inside one of those folders are files named decks.hmg and decks_n.hmg. Graphics files can also be the ones outside the folders, if they have a header that starts with PGF.

Use the following BMS script [2] on the files:

Code:
#Decompress eastward texture resource #By Allen #Script for Quickbms comtype LZ77EA_970 IDString "PGF" get UnkLen1 byte get FileSize long goto UnkLen1 0 SEEK_CUR get ZSIZE long get Width long get Height long get Bpp byte get unk byte get UnkLen2 byte get unk2 byte goto UnkLen2 0 SEEK_CUR savepos OFFSET set SIZE LONG 0 xmath SIZE "Width * Height * Bpp / 8" get NAME BASENAME string NAME + "_decmp" clog NAME OFFSET ZSIZE SIZE

Open the resulting decks_decmp or decks_n_decmp in TiledGGD. Alter the height and width of the image, and set the Image Endianness to little-endian.

Export it, and there you have it: a map of sprites from the game. The decks_n file is a normal map.

[1] - https://zenhax.com/viewtopic.php?t=15820
[2] - https://zenhax.com/viewtopic.php?f=7&t=15259#p66633
[X] - The game's engine is at least in part open-source. Just thought that was interesting.

Hello! I have followed your tutorial step by step however TILEDGG is not showing any of the sprites, its just a blank canvas. Can I have help here? Or can you share the sprites you have ripped? Im new to this so I apologize if this is a bit hassle for you! I also cannot access the zenhax links :<

RE: [Tutorial] Ripping From the Game Eastward - Picolo20 - 08-06-2023

(10-17-2021, 06:06 PM)boilingpot Wrote: Eastward has super charming, Earthbound-inspired pixel art, so I knew I had to get my hands on it. The organization part of ripping from it is hard though, so here is a tutorial in the meantime.
Edit: Eastward Extractor (https://github.com/Dav-e-Jones/EastwardExtractor) is the better method, especially because it preserves the transparency of the sprites. You need .NET core 3.0 for it to run, though.

The \content\game folder has gfx.g and gfx_main.g archives that contain graphics.

Use the following BMS script [1] on one of those files:

Code:
comtype zstd get DUMMY long # 0x6a37 get FILES long for i = 0 < FILES get NAME string get OFFSET long get ZIP long # 2 get SIZE long get ZSIZE long if ZIP == 0 log NAME OFFSET SIZE elif ZIP == 2 clog NAME OFFSET ZSIZE SIZE else print "Error: unsupported ZIP %ZIP%, contact me" cleanexit endif next i

The result is a bunch of files and folders named something like 0b943feca0857d39c68014b67089e7e0. Unfortunately, this makes it difficult to know what you're getting before you rip the sprites.

Inside one of those folders are files named decks.hmg and decks_n.hmg. Graphics files can also be the ones outside the folders, if they have a header that starts with PGF.

Use the following BMS script [2] on the files:

Code:
#Decompress eastward texture resource #By Allen #Script for Quickbms comtype LZ77EA_970 IDString "PGF" get UnkLen1 byte get FileSize long goto UnkLen1 0 SEEK_CUR get ZSIZE long get Width long get Height long get Bpp byte get unk byte get UnkLen2 byte get unk2 byte goto UnkLen2 0 SEEK_CUR savepos OFFSET set SIZE LONG 0 xmath SIZE "Width * Height * Bpp / 8" get NAME BASENAME string NAME + "_decmp" clog NAME OFFSET ZSIZE SIZE

Open the resulting decks_decmp or decks_n_decmp in TiledGGD. Alter the height and width of the image, and set the Image Endianness to little-endian.

Export it, and there you have it: a map of sprites from the game. The decks_n file is a normal map.

[1] - https://zenhax.com/viewtopic.php?t=15820
[2] - https://zenhax.com/viewtopic.php?f=7&t=15259#p66633
[X] - The game's engine is at least in part open-source. Just thought that was interesting.

HI, I am in the step 6. When you say to alter the heigh and width of the image, where do we do that? I see the sprites but they are just a jumble of colored pixels so am not sure what to dod here.

And also hwo do we export it?

RE: [Tutorial] Ripping From the Game Eastward - jeanini - 11-21-2024

Thanks for the tutorial , I managed to extract the tiles. However I couldn't find the character sprites.

I extracted the anim.g file but , the scrip doesnt work with the files