Building Source Engine for Apple Silicon

build.sh

#!/bin/zsh

brew install sdl2 freetype2 fontconfig pkg-config opus libpng libedit jpeg-turbo

cd ~

mkdir ~/Documents/Gaming/
mkdir ~/Documents/Gaming/Half\ Life\ 2
mkdir ~/Documents/Gaming/Half\ Life\ 2\ Episodes
mkdir ~/Documents/Gaming/Portal
mkdir ~/Documents/Gaming/Half\ Life\ Source

export user=$(whoami)

git clone --recursive --depth=1 https://github.com/nillerusr/source-engine.git
cd source-engine

python3 waf configure -T release --prefix='' --build-games=hl2
python3 waf build
python3 waf install --destdir='../Documents/Gaming/Half Life 2'

python3 waf configure -T release --prefix='' --build-games=episodic
python3 waf build
python3 waf install --destdir='../Documents/Gaming/Half Life 2 Episodes'

python3 waf configure -T release --prefix='' --build-games=hl1
python3 waf build
python3 waf install --destdir='../Documents/Gaming/Half Life Source'

python3 waf configure -T release --prefix='' --build-games=portal
python3 waf build
python3 waf install --destdir='../Documents/Gaming/Portal'

cd ~/Documents/Gaming/Half\ Life\ 2
cd bin
yes | cp * /Users/$user/Library/Application\ Support/Steam/steamapps/common/Half-Life\ 2/bin/
cd ../hl2/bin
yes | cp * /Users/$user/Library/Application\ Support/Steam/steamapps/common/Half-Life\ 2/hl2/bin/
cd ../../../Half\ Life\ 2\ Episodes
yes | cp hl2_launcher /Users/$user/Library/Application\ Support/Steam/steamapps/common/Half-Life\ 2/hl2_osx
cd ./episodic/bin
yes | cp * /Users/$user/Library/Application\ Support/Steam/steamapps/common/Half-Life\ 2/episodic/bin/
cd ../../../Half\ Life\ Source
cd ./hl1/bin
yes | cp * /Users/$user/Library/Application\ Support/Steam/steamapps/common/Half-Life\ 2/hl1/bin/ 
cd ../../../Portal
yes | cp hl2_launcher /Users/$user/Library/Application\ Support/Steam/steamapps/common/Portal/hl2_osx
cd bin
yes | cp * /Users/$user/Library/Application\ Support/Steam/steamapps/common/Portal/bin/
cd ../portal/bin
yes | cp * /Users/$user/Library/Application\ Support/Steam/steamapps/common/Portal/portal/bin/