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Hacking the actual PSX Doom?


Dexiaz

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Hi there. If you want to see something really cool related to this, check this thread.


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Edited by DeXiaZ

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  • 3 months later...
  On 1/17/2018 at 9:22 AM, Cacodemon345 said:

How did you do this?

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Created a Vanilla Doom 2 map, opened glBSP via glPSX gui by Kaiser, added GL data and converted it into PSX format by another Kaiser's program. Next I just opened CDMage and changed Map01 file.

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Guest DILDOMASTER666

afaik textures/sprites/whatever else is needed is cached in each level's directory and I recall Kaiser lamenting about how most ISO tools modify the LBA when you change files on the disc which is a big no-no for PSX Doom

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  On 1/17/2018 at 10:41 AM, Nevander said:

What ceiling texture is that? Sorry for random off-topic question but, curiosity...

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Club Doom flat texture.

 

  On 1/17/2018 at 11:05 AM, DILDOMASTER666 said:

afaik textures/sprites/whatever else is needed is cached in each level's directory and I recall Kaiser lamenting about how most ISO tools modify the LBA when you change files on the disc which is a big no-no for PSX Doom

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CDMage allowed me to run this map. I think it's ok. The main problem is "SSECTORS". If you do some subsectors (for example - square) - game will crash with SSECTORS error. And I didn't found anything useful to fix that.

 

Also, by the way, if you'll shoot (like in the video in OP) - game will freeze.

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It won't work. Lost Levels contain large, open areas with a lot of monsters and making it run on actual PSX hardware will most likely end up with Texture Overflow error.

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  On 1/17/2018 at 2:25 PM, Devalaous said:

so I guess we still cant see if Lost Levels would run on the actual hardware?

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Without people who can explain me EVERYTHING related to Doom BSP and Doom mapping - yes.

 

Because it's maths.

 

  On 1/17/2018 at 2:28 PM, Cacodemon345 said:

It won't work. Lost Levels contain large, open areas with a lot of monsters and making it run on actual PSX hardware will most likely end up with Texture Overflow error.

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Incorrect. Lost Levels consist of UDMF maps. And also uses too much textures.

 

Reduce the ammount of textures, reduce monsters - and this will work.

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  On 1/17/2018 at 2:33 PM, Cacodemon345 said:

porting UDMF back to PSX Doom format will take a lot of work. And as you said, changing subsectors will crash PSX Doom.

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You misses 2 points.

1) I don't want to reuse UDMF maps. As I did for the GBA Doom Lost Levels - I will do it by myself again. Yeah, our PSX Lost Levels TC will be something like a concept support, but I'll just do it again from scratch.

2) PSX Doom crashes not because of changing subsectors - the problem are the LEAFS. I need to understand how to create normal LEAFS lump with Subsectors lump. Kaiser did something wrong, his program doesn't work right. I sent a message to him but he doesn't answer me. So I need to find an alternative path to create new version/new program to convert maps into PSX format.

Edited by DeXiaZ

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  On 1/21/2018 at 1:36 PM, Quasar said:

Maybe try again when we're not neck-deep in crunch mode on a Nightdive Studios project :)

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Is perhaps Nightdive Studios planning to make a PSXDoom project on PC??

 

Edited by Erick194

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I don't care about the PSXDoom TC because I'm working on the PSXDOOM [GEC] Master Edition for GZDOOM, besides I'm also working on the reverse engineering of PSXDoom.

Edited by Erick194

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In this moment the project is paused because I wanted to go inside the PSXDoom code and also started working on the reverse enginnering to see that nothing was out of its own place, but in this case i could say it has a 87% to be done. Sorry for being late but it will last a bit more.

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  • 3 weeks later...

Hmmm, when I always come out with something surprising almost everyone gets silenced and I wait questions and answers, well it doesn't matter.

Getting back to the topic of this thread, I was editing the Hangar level and these were the results:

 

 

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  On 2/10/2018 at 11:54 PM, Erick194 said:

I was editing the Hangar level and these were the results

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My respect to you is bigger than 9000 points.

 

I even don't know how to extract, edit Hangar and put it back into game. I mean, for me it's just crashes. But this is the first step of hacking anything Console Doom related. So how did you do this?

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