Apoorva Joshi ApoorvaJ

CUSTOM GAME ENGINES: A Small Study

WARNING: Article moved to separate repo to allow users contributions: https://github.com/raysan5/custom_game_engines

A couple of weeks ago I played (and finished) A Plague Tale, a game by Asobo Studio. I was really captivated by the game, not only by the beautiful graphics but also by the story and the locations in the game. I decided to investigate a bit about the game tech and I was surprised to see it was developed with a custom engine by a relatively small studio. I know there are some companies using custom engines but it's very difficult to find a detailed market study with that kind of information curated and updated. So this article.

Nowadays lots of companies choose engines like [Unreal](https:

Use cases

Textures/Matrices for direct use (data!)

Moments In Graphics (void-and-cluster)
- 2D
- 3D and 4D
Bart Wronski Implementation of Solid Angle algorithm

	// gcc test.c `pkg-config --cflags --libs gtk+-3.0 gdk-3.0` -lX11 && ./a.out

	#include <X11/Xlib.h>
	#include <unistd.h>
	#include <stdio.h>

	#include <gtk/gtk.h>
	#include <gdk/gdkx.h>

	static void my_gtk_realize(GtkWidget* widget, gpointer user)

	#include <stdio.h>
	#include <errno.h>
	#include <stdlib.h>
	#include <stdint.h>
	#include <assert.h>
	#include <string.h>
	#define streq(a, b) (!strcmp((a), (b)))

	#ifndef __USE_GNU
	#define __USE_GNU