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About Jon

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    code scholar

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  1. Jon

    Are there any hotel-related maps?

    One of Action Doom 2’s end levels resembles a hotel in places
  2. Jon

    Things about Doom you just found out

    I deliberately avoided looking at dmx code when working on pitch shifting to avoid any legal problems. I'm fairly sure at least one community stalwart had attempted to reach radek, again, when that turned up, to no avail.
  3. Jon

    How DOOM fire was done (PSX)

    Reminds me of the first things one would try when learning VGA programming, or before that, amiga demo scene stuff. Like the Palette shifted plasmas
  4. Jon

    Things about Doom you just found out

    Yes they are all independent implementations. For chocolate, I did spend some time reverse engineering doom 1.2 to try and get the total range of variance to match. How successful I was is in the ear of the beholder. If you are curious my notes are here and here
  5. Jon

    Things about Doom you just found out

    I take pride in having written the pitch shifting code in choco/crispy, so glad you enjoy it!
  6. Jon

    Doom - Crysis of it's time?

    I think a lot of stuff looked *worse* in the original glquake. Shadows lost their contrast and full brights stopped working. But it was nice to have sharp edges on brushes
  7. Jon

    Doom - Crysis of it's time?

    The instruction pipelining on the 486 was far superior to the 386 which had a design flaw that meant it stalled more often than desired. That was a significant reason the 486 was faster even at the same nominal clock rate. If you like this stuff, you'll love Fabien's book: http://fabiensanglard.net/gebbdoom/
  8. Jon

    Most creative DEHACKED custom monster?

    Pretty sure they aren't dehacked
  9. A modified Gotek floppy drive emulator with firmware for using it with an Amiga.
  10. Jon

    SIGIL - New Romero megawad for Feb 2019

    Maybe bucket head fancied the challenge of composing in midi in 2018. Unlikely but not impossible
  11. Jon

    Most creative DEHACKED custom monster?

    That's fantastic. I remember being puzzled by the lost soul thing in boom ; I wrote a quake style gibs patch using the lost soul for gibs and PE code pointers and ended up switching to Mancubus fireballs for the final version because of unexplained crashes. Its possible I was relying on the LS limit in vanilla too when I started it.
  12. Jon

    Things about Doom you just found out

    I've been working on a map02 (underhalls) tribute map in wadc for over 12 years
  13. I normally see that error if I haven't ran a top-level "make" before trying to build heretic. The initial "make" is necessary to build textscreen and other bits.
  14. Jon

    Things about Doom you just found out

    they used dpaint on dos in the same video mode as they were targeting with doom in order to address aspect issues.