#!/bin/bash
set -xeuo pipefail
source /opt/l4d2/scripts/helpers
overlay=$(basename "$0")

# server config
# https://github.com/SirPlease/L4D2-Competitive-Rework/blob/7ecc3a32a5e2180d6607a40119ff2f3c072502a9/cfg/server.cfg#L58-L69
# https://www.programmersought.com/article/513810199514/
steam mkdir -p /opt/l4d2/overlays/$overlay/left4dead2/cfg
steam cat <<'EOF' > /opt/l4d2/overlays/$overlay/left4dead2/cfg/server.cfg
# https://github.com/SirPlease/L4D2-Competitive-Rework/blob/7ecc3a32a5e2180d6607a40119ff2f3c072502a9/cfg/server.cfg#L58-L69
sv_minrate 100000
sv_maxrate 100000
nb_update_frequency 0.014
net_splitpacket_maxrate 50000
net_maxcleartime 0.0001
fps_max 0
EOF

# install tickrate enabler
steam mkdir -p "/opt/l4d2/overlays/${overlay}/left4dead2/addons"
for file in tickrate_enabler.dll tickrate_enabler.so tickrate_enabler.vdf
do
    curl -L "https://github.com/SirPlease/L4D2-Competitive-Rework/raw/refs/heads/master/addons/${file}" -o "/opt/l4d2/overlays/${overlay}/left4dead2/addons/${file}"
done