xash_wrapper

#!/bin/bash

# there's run & wait-before-run, we only care about the latter.
if [ "$1" != "wait-before-run" ]; then
	exit
fi

# TODO: finish hlsdk-mega-build and implement this
#get_libraries()
#{
#}

show_message_box()
{
	if [ -x "$(command -v kdialog)" ]; then
		kdialog --msgbox "$1"
	elif [ -x "$(command -v zenity)" ]; then
		zenity --info --tet "$1"
	else
		xmessage "$1"
	fi
}

download_engine_and_unpack()
{
	cd "$2"
	wget "https://github.com/FWGS/xash3d-fwgs/releases/download/continuous/$1"
	chmod +x "$1"
	./"$1" --appimage-extract
	mv squashfs-root "$3"
	rm "$1"
}

# dependency check...
if ! [ -x "$(command -v wget)" ]; then
	show_message_box "You don't have wget installed. Please install wget."
	exit
fi

# we have an unknown amount of parameters, let's make sure we get them
# make sure this is quotes, because HeXen II has a space in its path
PARMARR=( "$@" )
ARGLEN=${#PARMARR[@]}

# get every parameter after the executable and put it into
# its own variable to pass over later
GAMEARGS=${PARMARR[@]:2:$ARGLEN-1}

# TODO: add a logic to:
# a) if mod has native port, download prebuilts. Prefer 64-bit if available
# b) use existing 32-bit linux port
# c) request Wine (or piggyback on Proton somehow?) if mod DOESN'T have native port
# Right now only point b) is implemented as the most easiest

# Compatibility tool's path
SCRPATH="$( cd "$( dirname $(readlink -nf $0) )" && pwd )"

ARCH=i386
ENGINE=xash3d

# Download latest engine build for this port
ENGINEBUILD=xash3d-fwgs-linux-$ARCH
APPIMAGE=xash3d-fwgs-$ARCH.AppImage
if [ ! -d "$SCRPATH/$ENGINEBUILD" ]; then
	download_engine_and_unpack "$APPIMAGE" "$SCRPATH" "$ENGINEBUILD"
fi

export LD_LIBRARY_PATH="$SCRPATH/$ENGINEBUILD:$LD_LIBRARY_PATH"
export XASH3D_BASEDIR=$PWD # force tell the engine to keep this working directory
export XASH3D_EXTRAS_PAK1="$SCRPATH/$ENGINEBUILD/valve/extras.pk3"

echo "$SCRPATH/$ENGINEBUILD/$ENGINE" $GAMEARGS >> ~/log
exec "$SCRPATH/$ENGINEBUILD/$ENGINE" -dev 2 $GAMEARGS >> ~/log