M. Mert Yildiran mertyildiran

CUSTOM GAME ENGINES: A Small Study

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 or Unity for their games (or that's what lot of people think) because d

Secured HLS setup with Nginx as media server

This example is part of this article.

This is an example for an HLS delivery with basic security. Nginx compiled with nginx-rtmp-module & secure-link is used as media server. Features:

Domain filtering
Referrer filtering
Embed buster

	type Tile = number;
	type TileOrientation = 0 \| 90 \| 180 \| 270;

	export type TileMapping = Record<number, number>;
	type Coordinates = [number, number];

	enum DirectionKeys {
	UP = 'UP',
	DOWN = 'DOWN',
	LEFT = 'LEFT',

	MIT License

	Copyright (c) 2025 Ilya Lukyanov

	Permission is hereby granted, free of charge, to any person obtaining a copy
	of this software and associated documentation files (the "Software"), to deal
	in the Software without restriction, including without limitation the rights
	to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
	copies of the Software, and to permit persons to whom the Software is
	furnished to do so, subject to the following conditions:

	package main

	import (
	"bytes"
	"fmt"
	"log"

	"github.com/google/gopacket"
	"github.com/google/gopacket/pcap"
	)

	package main

	import (
	"fmt"
	"net/http"
	"net/http/httputil"
	"net/url"

	"github.com/gin-gonic/gin"
	)

	// origin: https://github.com/robert/wavefunction-collapse/blob/master/main.py

	interface Direction {
	x: number;
	y: number;
	}

	const UP: Direction = {x: 0, y: 1};
	const DOWN: Direction = {x: 0, y: -1};
	const LEFT: Direction = {x: -1, y: 0};

	apiVersion: apps/v1
	kind: DaemonSet
	metadata:
	name: counter-app
	spec:
	selector:
	matchLabels:
	app: counter
	template:
	metadata:

	package main

	import (
	"container/ring"
	"image"
	"log"
	"math/rand"
	"os"
	"time"

	# WARNING: These steps seem to not work anymore!

	#!/bin/bash

	# Purge existign CUDA first
	sudo apt --purge remove "cublas" "cuda"
	sudo apt --purge remove "nvidia*"

	# Install CUDA Toolkit 10
	wget https://developer.download.nvidia.com/compute/cuda/repos/ubuntu1804/x86_64/cuda-repo-ubuntu1804_10.0.130-1_amd64.deb