id-Software/DOOM on Hacker News

The code exists! https://github.com/id-Software/DOOM/blob/master/linuxdoom-1.... And it looks to me like we are mapping each row with a constant y, calculating the "distance" (thus scale factor) only once using just the vertical slope for…

comment by tadfisher · 2026-06-09 · in Making Graphics Like it's 1993

1997 would have been an ideal year for this to happen (except for the sound engine): https://github.com/id-Software/DOOM/blob/a77dfb96cb91780ca33...

comment by rzzzt · 2025-01-06 · in Doom, the Gallery Experience

…[2] https://www.nationalarchives.gov.uk/doc/open-government-lice... [3] https://github.com/id-Software/DOOM/blob/master/README.TXT (before GPL became popular, id software code was distributed with this readme that said "Have fun")

comment by caseyy · 2024-10-10 · in Why Gov.uk's Exit this Page component doesn't use the Escape key

…actual license used explicitly allows later versions of the GPL to be specified in place of GPLv2. https://github.com/id-Software/DOOM/blob/master/LICENSE.TXT > Each version is given a distinguishing version number. If the Program…

comment by rpdillon · 2024-09-24 · in Doomretro – The classic, refined DOOM source port. For Windows PC

…2.0. Which is the only text that puts it under the GPL at all. There is no later version mentioned. https://github.com/id-Software/DOOM/blob/master/README.TXT Regardless, you can't change the license on code you don't own, even if the code…

comment by wang_li · 2024-09-22 · in Doomretro – The classic, refined DOOM source port. For Windows PC

…Free Software Foundation; either version 2 of the License, or (at your option) any later version. https://github.com/id-Software/DOOM/blob/master/LICENSE.TXT

comment by rpdillon · 2024-09-21 · in Doomretro – The classic, refined DOOM source port. For Windows PC

…yeah, it would be pretty mature to revisit our values and go back to what worked in computing. [0] https://github.com/id-Software/DOOM?tab=readme-ov-file – still has the "have fun" readme. [1] https://github.com/electronicarts/EASTL

comment by caseyy · 2024-09-17 · in China Is Rapidly Becoming a Leading Innovator in Advanced Industries

…to be doing these sorts of "QA"/functional manual testing. Let's look at the source code for Doom: https://github.com/id-Software/DOOM How many _test files do you see? Millions of people played Doom for endless hours and the quality beats…

comment by YZF · 2024-08-05 · in How I Program in 2024

Compare/contrast: DOOM-the-engine is open source ( https://github.com/id-Software/DOOM ), even though DOOM-the-asset-and-scenario-data is not. While you need a copy of DOOM-the-asset-and-scenario-data to "use DOOM to run DOOM", you are…

comment by derefr · 2024-07-23 · in Open source AI is the path forward

That code is a bit too readable for that time period in games, hehe. See Doom: https://github.com/id-Software/DOOM/blob/master/linuxdoom-1....

comment by caseyy · 2024-06-20 · in Let's write a video game from scratch like it's 1987

…example of Doom had the original sound engine library ripped out of the source code for release: https://github.com/id-Software/DOOM/blob/master/README.TXT#L... Similarly Doom 3's source code release had features ripped out:…

comment by ThatPlayer · 2024-05-29 · in Ask HN: Why do games companies not release source code for old games?

Nope, that was explicitly under the "Prohibited Uses" section https://github.com/id-Software/DOOM/blob/77735c3ff0772609e9c...

comment by Zambyte · 2024-01-17 · in Doom Released Under GPLv2

…and through any medium whatsoever commercially exploit or use for any commercial purpose." [1] https://github.com/id-Software/DOOM/commit/4eb368a960647c8cc...

comment by mrighele · 2024-01-17 · in Doom Released Under GPLv2

This Github repo was previously released with this license: https://github.com/id-Software/DOOM/blob/77735c3ff0772609e9c...

comment by barge_glider · 2024-01-17 · in Doom Released Under GPLv2

…you get the original Doom source release license, which is for non-commercial educational use only: https://github.com/id-Software/DOOM/blob/77735c3ff0772609e9c...

comment by chilmers · 2024-01-17 · in Doom Released Under GPLv2

…Doom had third-party audio playback routines, so the source came with a rewritten sound server: https://github.com/id-Software/DOOM/tree/master/sndserv The bad news: this code only compiles and runs on linux. We couldn't release the dos…

comment by rzzzt · 2023-12-25 · in GTA 5 source code leaks online

…no test coverage and no auto-generated DI. They're using unsafe pointers all over the place, too! https://github.com/id-Software/DOOM Shall I prepare the postage for the letter in which you'll call John Carmack an MBA? Should we send…

comment by foooorsyth · 2023-10-23 · in Software disenchantment

…game-engines from the era that have since been released as open-source can also be helpful, like https://github.com/id-Software/DOOM . In both cases notice how simple and elegant a lot of the code is. There is already enough complexity…

comment by osivertsson · 2023-10-18 · in Ask HN: Good practices for my first C project?

…is open source. Here's the source the engineers that created doom used to build the doom engine: https://github.com/id-Software/DOOM Where is the source used to build this model?

comment by monocasa · 2023-09-27 · in Mistral 7B

DOOM https://github.com/id-Software/DOOM/tree/master/linuxdoom-1....

comment by cdiamand · 2023-08-24 · in Ask HN: Where do I find good code to read?

…multiple times in GPT-4's training set, likely alongside multiple annotated explanations. [1] https://github.com/id-Software/DOOM

comment by LordDragonfang · 2023-07-20 · in Running Stable Diffusion in 260MB of RAM

…looked at these codebases: https://github.com/mit-pdos/xv6-public (based on code from the 70's) https://github.com/id-Software/DOOM (1997) I looked at allocproc() in xv6, and gives you an object from a fixed global array. This is similar…

comment by chubot · 2023-06-22 · in Some were meant for C [pdf] (2017)

…) - the above is based on insane-adding-machines/DOOM, which is also not simple ( https://github.com/id-Software/DOOM/compare/master...insane-... ) The SDL port itself ( https://github.com/AlexOberhofer/sdl2-doom ) is definitely not simple.

comment by pizza234 · 2022-09-07 · in Show HN: Quake 1 ported to the Apple Watch

…also gave my maze renderer as an example - pretty much all of it was in C except a tiny part). [0] https://github.com/id-Software/DOOM/blob/master/linuxdoom-1....

comment by badsectoracula · 2022-01-31 · in How FreeDOS Grew Up and Became a Modern DOS (2021)

…code is likely smaller than a single grand theft auto save file. Just checked, "linuxdoom-1.10" ( https://github.com/id-Software/DOOM ) is 1.26 MB, my GTA save is a little over 500 kB. The GTA save files are actually quite small, likely…

comment by formerly_proven · 2021-06-26 · in Microsoft admits to signing rootkit malware in supply-chain fiasco

> but the problem is that they have used a third-party library where they cannot legally release https://github.com/id-Software/DOOM The DOOM source code was released without sound support due to this: > The bad news: this code only…

comment by MayeulC · 2021-01-03 · in Opensource your abandonware (2010)

…ported to freaking everywhere, was released without working sound on DOS because of licenses ( https://github.com/id-Software/DOOM ): > The bad news: this code only compiles and runs on linux. We couldn't release the dos code because of a…

comment by kllrnohj · 2020-09-23 · in Amnesia is now open source

…The original DOOM is open source, I think. Update: Found it! It's here, but it's the engine only: https://github.com/id-Software/DOOM

comment by Shared404 · 2020-08-29 · in Super Tux Kart – Linux racing game

Oldie but goodie: https://github.com/id-Software/DOOM

comment by 2OEH8eoCRo0 · 2020-03-08 · in Ask HN: How do I learn C properly?

…of fixed-point is a good example which should work on any platform as long as sizeof(int) >= 4. https://github.com/id-Software/DOOM/blob/master/linuxdoom-1.... https://github.com/id-Software/DOOM/blob/master/linuxdoom-1.... Addition and…

comment by snickerbockers · 2019-12-02 · in 0.30000000000000004

…By the way, Doom's random number generator for the game mechanics... not so fantastic [0] :) [0] https://github.com/id-Software/DOOM/blob/master/linuxdoom-1....

comment by OskarS · 2019-08-13 · in Predictably Random

…the best in the industry. Really worth a read. https://github.com/fabiensanglard/Doom3-for-MacOSX- https://github.com/id-Software/DOOM https://github.com/id-Software/DOOM-3 Monogame: The Open Source implementation of Microsoft's XNA game…

comment by Vetre · 2018-10-24 · in Show HN: Awesome-code-reading - A curated list of high-quality codebases to read

…. It has shown me what a goog balance between nice code and usable code is. If you want tho browse: https://github.com/id-Software/DOOM

comment by hyperman1 · 2018-09-21 · in Ask HN: What open source project, in your opinion, has the highest code quality?

https://github.com/id-Software/DOOM/blob/master/linuxdoom-1....

comment by Yuioup · 2018-09-01 · in After 24 years, Doom II's final secret has been found

…on in the dark. Remember the No Clipping cheat code? Here’s the source code check to turn it on: https://github.com/id-Software/DOOM/blob/77735c3ff0772609e9c...

comment by deckarep · 2018-06-13 · in Id Software

…https://github.com/id-Software/Quake https://github.com/id-Software/Quake-2 https://github.com/id-Software/DOOM

comment by test1235 · 2017-03-13 · in Ask HN: What are some examples of good code?

Maybe try this: https://github.com/id-Software/DOOM

comment by borplk · 2016-09-19 · in Ask HN: What are some examples of well written C/C++ codebases?

…vertical features in the modern screenshots. Edit: the original renderer is actually very readable, https://github.com/id-Software/DOOM/blob/77735c3ff0772609e9c... I don't see a great scope for auto-vectorisation etc there. You could write…

comment by pjc50 · 2015-10-30 · in Rust-Doom: A Doom renderer in Rust, with no unsafe code

how about this one :) https://github.com/id-Software/DOOM/blob/77735c3ff0772609e9c...

comment by ins0 · 2015-09-04 · in Really Random Number Generator

It's not crypto. It's a game. The whole thing is global mutable state. ( https://github.com/id-Software/DOOM/blob/master/linuxdoom-1.... ). On the original DOS/4GW version, I don't think there were even any synchronisation primitives…

comment by pjc50 · 2015-07-01 · in The random number generator of DOOM

It reads the next number in the list, it's not a random lookup. See https://github.com/id-Software/DOOM/blob/master/linuxdoom-1....

comment by JasuM · 2015-04-24 · in What happens if you remove randomness from Doom?

> https://github.com/id-Software/DOOM/blob/master/linuxdoom-1.... One thing that's clear when reading game source code is that they hard code a lot more than I would writing system or application software. That's to be expected given the…

comment by benkant · 2015-03-21 · in Development of Doom

The source is on GitHub: https://github.com/id-Software/DOOM

comment by melling · 2015-03-20 · in Development of Doom

…source code for Doom [1]. Math tricks were integral to making that game even work back then. [1]: https://github.com/id-Software/DOOM

comment by sdegutis · 2014-01-22 · in Response to "Math is Not Necessary for Software Development"

…didn't have to. If you look at Doom, there wasn't a lot of assembler even back in the early 1990's. https://github.com/id-Software/DOOM And according to Carmack, he liked working in C and OpenGL. http://rmitz.org/carmack.on.opengl.html…

comment by melling · 2013-11-02 · in Michael Abrash's Graphics Programming Black Book

…appears to be some Xbox and PS3-specific code as well (not that it's useful to mere mortals) [0] https://github.com/id-Software/DOOM-3-BFG/tree/master/doomcl... [1] https://github.com/id-Software/DOOM

comment by ConstantineXVI · 2012-11-26 · in Doom 3 BFG Edition source code released