TUTORIALS: How to mod Resident Evil 2

Moderators: pcwzrd13, deluxux, VasiliyRS

Green Ranger
killer
Posts: 267

Re: TUTORIALS: How to mod Resident Evil 2

Post#21 » Sun Jun 12, 2022 7:26 pm

The SPEECH tutorial has been updated with a link to a voice list that helps you quickly find the files you want to edit. Enjoy. :)

xaeroxcore
fire
Posts: 78

Re: Modding Tutorials: Resident Evil 2

Post#22 » Mon Jun 20, 2022 5:31 pm

Green Ranger wrote:
xaeroxcore wrote: Haven´t tried tu burn another CD-R, because the image re-compiled by boot dreams is no even recognized by ReDream.


What version of Bootdreams are you using and what's your operating system?



Win 10 and bootdreams v 1.0.6 c.

Green Ranger
killer
Posts: 267

Re: Modding Tutorials: Resident Evil 2

Post#23 » Sun Jun 26, 2022 6:29 pm

xaeroxcore wrote:
Green Ranger wrote:
xaeroxcore wrote: Haven´t tried tu burn another CD-R, because the image re-compiled by boot dreams is no even recognized by ReDream.


What version of Bootdreams are you using and what's your operating system?



Win 10 and bootdreams v 1.0.6 c.


Ok, are you using the Bootdreams version found here- https://github.com/TItanGuy99/BootDreams/releases

Also, can you try recompiling another game with Bootdreams besides RE2 to test on your Dreamcast? If you don't want to physically burn a disc for testing, try your newly created CDIs in the Redream emulator.

Green Ranger
killer
Posts: 267

Re: TUTORIALS: How to mod Resident Evil 2

Post#24 » Sat Sep 10, 2022 12:42 am

Intro to RDTs (Room Editing)

What you'll need-

BIOFAT version 06.23.2011 and BIOFAT version 0.0.0.9
AdtTools

This will be an introduction to the RDT file format. RDT files are archives with various components that make up a room and controls what happens in a room. Enemy and object placement, cameras, cutscenes, messages, etc are all done here.

Because there is so much to cover concerning RDTs, this tutorial serves as a starting point for those who are at least interested in learning about the files and how to access, extract and recompile them. Should you have specific questions on how certain things were done in RE2: Special Edition via RDT modding, you can post your inquiries here.

You can use BIOFAT to extract and recompile RDTs, but while that's a simple task if using the PC version of RE2, the Dreamcast version requires more effort to get it to work.

Similar to the TIM files on the Dreamcast, the RDTs here are actually ADT archives which will need to be decompressed as RAW. They will then need to be renamed as RDTs in order for BIOFAT to extract its content.


PART 1

For this example we'll use file ROOM2080.RDT (which is the photography darkroom). If you have the PAL game, the ROOM RDT files are located in the PL0>RDP folder. If you have the NTSC game, go to PL0>RDU.

*NOTE*- if a room's file name ends with a '0' like ROOM2080, this is a Leon file. All of Claire's ROOM files end with a '1'- so Claire's photography darkroom file would be ROOM2081.

RDT (1).jpg


Change the file's extension from ROOM2080.RDT to ROOM2080.ADT. Open up BIOFAT version 06.23.2011 and in the menu, click on Bio2>ADT>Decompress

RDT 1.jpg


Select ROOM2080.ADT, resave it as ROOM2080.RAW. Once it's saved, rename the .RAW extension to .RDT. Now its content can be extracted.

At this point I use BIOFAT version 0.0.0.9 for extractions because it's less buggy for me than BIOFAT 06.23.2011, but that may differ for you depending on your computer setup/operating system. If you decide to continue using version 06.23.2011, go to the menu and click Bio2>RDT>Extract

If using BIOFAT version 0.0.0.9 as shown below, click on 'Bio2>RDT>Disassemble' instead.

RDT 2.jpg


Assuming you used BIOFAT 0.0.0.9 for your extraction, you should see folder 'room2080' in the BIOFAT folder. Click on it and you'll see files and folders extracted from the RDT, such as-

1) msg folder- contains the game's text messages that players read when interacting with things.
2) obj folder- holds various 3d objects that are present in the room, like items.
3) scd folder- holds various SCD files which are used to tell the game what happens in this room (which you can modify via hex editing)
4) room2080.ini- tells the game what components are in this room to be loaded. This keeps track of all the files contained within the RDT so if edits are made and you add more files than what were originally presented, the .INI must be edited to reflect these changes or the game will crash.

RDT 3.jpg


Once changes are made and completed inside the room2080 folder, go to Bio2>RDT>Assemble to recompile the RDT. BIOFAT will ask you to select the room's INI file- do so and it should save.

PART 2

Now we have to recompress the newly saved ROOM2080.RDT into the (ADT) RDT the Dreamcast can read, using AdtTools. For simplicity you can change ROOM2080's extension back to .RAW and make sure you have it, the CMD command prompt application and AdtTools all in the same folder. Open CMD.exe then type this command and hit ENTER to compress the file back into a Dreamcast RDT-

AdtTools e ROOM2080.RAW ROOM2080.RDT

And you're all set. Place ROOM2080.RDT back into the PL0>RDP folder (PAL version) or PL0>RDU (NTSC version), recomplile the game image and test it on the Dreamcast.

You can find necessary tools here-
BIOFAT version 06.23.2011 -http://remer.bplaced.com/remer_files/res_index.php
BIOFAT version 0.0.0.9 -https://www.romhacking.net/utilities/1019/
AdtTools by PmData.rar
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