Data-Oriented Entity Component System (in Godot)

YouTube Excerpt: In this video I will successfully gaslight (read: propagandize) you into loving Data-Oriented Design & pointer arithmetic, and despising RAII, all under the guise of implementing an ECS for Godot. THESE are the fruits of working in C; I am a river to my people! Update 08/04/2025: I released a follow-up to this video covering why the multi-threaded code wasn't faster & addressing a HUGE BUG that I didn't catch that caused part of my code to be inappropriately fast. Please enjoy: https://youtu.be/YDfKZp3H84Q Project Repo: https://github.com/natsu-anon/ecs-demo C++ GDExtension guide: https://docs.godotengine.org/en/4.4/tutorials/scripting/gdextension/gdextension_cpp_example.html GDREGISTER_RUNTIME_CLASS() vs GDREGISTER_CLASS() https://github.com/godotengine/godot/pull/82554 gingerBill's Memory Allocation Strategies Articles: https://www.gingerbill.org/series/memory-allocation-strategies/ Data-Oriented Design book by Richard Fabian: https://www.dataorienteddesign.com/dodbook/ Channel Discord Server (memes pls): https://discord.gg/GekejwY9RG MUSIC: https://youtu.be/PWHFr9KJGBk?si=62d0FEROWc_b7wQB https://youtu.be/2bP6KhNPtF8?si=VDWSODih9l3BGWg9 https://youtu.be/ZR6liu10mDM?si=dxRhSXxOLCEypGZ9 https://youtu.be/TcLlbkIFtvA?si=jozA2QglXoxyuQ9s https://youtu.be/Xt4q-NZmFok?si=L-aR6FRwmbAIJ95n CHAPTERS 0:00 charmedimsure 0:15 I sell you a used 2017 toyota camry (very low miles) 1:31 ECS compared to OOP 3:34 Object Pooling 4:01 Custom Memory Allocators 5:22 SEXY FUNCTION ALERT!!! 5:37 Entities & a table 7:06 Components 7:41 System (lol lmao) 7:56 Updating Component Data 9:21 Freeing Entities & Components 10:34 ECS + Multimesh demo 11:14 Grug-Brained Multithreading 12:47 Parallel ECS demo 13:36 Data-Oriented Hyperboost 14:47 Tradeoffs 17:34 Thank you for watching! 18:51 The Baking Segment

In this video I will successfully gaslight (read: propagandize) you into loving Data-Oriented Design & pointer arithmetic, and despising RAII, all...

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