#!/bin/sh

echo "########## Starting a gamescope window"
# change where necessary, like the resolution an refresh rate
gamescope -W 3840 -H 2160 -r 165 --hdr-enabled --hdr-itm-enable --hdr-itm-sdr-nits 300 --hdr-sdr-content-nits 300 -f &

# trying to trap the gamescope window so it can properly quit after exiting the game
export gamescope_pid=$!
trap "echo \"########## Killing gamescope window\" && kill -- -$gamescope_pid" SIGINT SIGTERM EXIT

sleep 1s

if [ -n "$WAYLAND_DISPLAY" ] || [ "$XDG_SESSION_TYPE" == "wayland" ]; then
  echo "########## We're Running on wayland"
  export WLND=1
fi

sleep 1s

echo "########## Disabling secondary monitor."
if [ $WLND ]; then
   # run kscreeen-doctor and check your displays arrangement
   # and change where necessary
   kscreen-doctor output.DP-1.disable &>/dev/null
fi

sleep 1s

# I know that gamescope will always create a display on 2 for me
# run the gamescope window on a terminal and take note of which number it is
DISPLAY=:2 mangohud gamemoderun "$@"

# the script will "pause" here while the game is running
# and will resume from the next `sleep` after you quit the game

sleep 1s

echo "########## Enabling secondary monitor."
if [ $WLND ]; then
  # again, run kscreen-doctor and check the display arrangement
  kscreen-doctor output.DP-1.enable &>/dev/null
  kscreen-doctor output.DP-1.position.0,0 output.DP-3.position.1440,200 &>/dev/null
fi