DIYDoom
bsc.wad
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DIYDoom
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QCVM: Bite-sized QuakeC VM written in C
Don't sell yourself short, I imagine you could achieve a lot more than you think! It's just a case of breaking the problem down, simplifying accordingly and (probably the most difficult bit) finding the time to sit down and work on it. There are some DIY courses that could even be followed and mashed up to approximate a scriptable "3D" engine with a bit of creativity. You could familiarise yourself with building a simple compiler + VM for a little language by following "Crafting Interpreters" (https://craftinginterpreters.com). For the engine side of things someone recently posted this "DIY Doom" over @ https://github.com/amroibrahim/DIYDoom which looks like a bit of fun.
I mean it's a bit tougher to do it all completely from scratch, but I reckon most HNers could get quite a lot of the way there :)
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Game Engine Black Book: Doom [pdf]
see also a tutorial on writing a doom-compatible engine from scratch:
https://github.com/amroibrahim/DIYDoom
they also have a community forum, diyidtech, at https://discord.gg/a8n4Y2z
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How hard is to convert C++ code to C?
For reference, I want to convert this C++ code (https://github.com/amroibrahim/DIYDoom/tree/master/DIYDOOM/Notes001/notes)
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Rustenstein 3D: Game programming like it's 1992
see also: a series of posts (with accompanying code) on rewriting the doom engine from scratch:
https://github.com/amroibrahim/DIYDoom
- Can you share some resources that show how to make a rudimentary DOOM game and how stuff works?
bsc.wad
What are some alternatives?
VoxelSpace - Terrain rendering algorithm in less than 20 lines of code
twad - a wad launcher for the terminal
Portal-Raycaster - A software portal rendering game engine
qzdl - Qt version of BioHazard's ZDL
dhewm3 - dhewm 3 main repository
DoomLauncher - Doom Launcher is a doom launching utility and database for custom wads and pk3s
rustenstein - Wolfenstein 3D port written in Rust
WADs-by-Gabubu - In this repository, I will upload forwarders for The Homebrew Channel apps made by me. :)
REminiCRT - Flashback with CRT emulation shader
target-spy - configurable simple health bar for targeted enemies for GZDoom
qwpython - QuakeWorld dedicated server wrapped up as a Python module, QuakeC -> Python game translator