preload

#!/bin/bash

LIBNAME=$(cat "$(pwd)"/build_id)
# An optimized way to find the CS:GO directory without specifying any absolute nor relative paths.
# This ensures the find command will not hang, even with a lot of symlinks in $HOME.
# There can be crash dumps in /var/lib with the same name.
GAMEROOT=$(dirname "$(find -L -O3 . "$HOME" -maxdepth 6 -type f -iname csgo_linux64 2>/dev/null | head -n 1)")

export LD_LIBRARY_PATH="$GAMEROOT"\
":$GAMEROOT/bin"\
":$GAMEROOT/bin/linux64"\
":$HOME/.steam/steam/ubuntu12_32"\
":$HOME/.steam/steam/ubuntu12_32/panorama"\
":/usr/lib64/atlas"\
":/usr/lib64/bind99"\
":/usr/lib64/iscsi"\
":/usr/lib64/nx"\
":/usr/lib64/qt-3.3/lib"\
":/usr/lib"\
":/lib64"\
":/usr/lib/i686"\
":/usr/lib/sse2"\
":/lib64/tls"\
":/lib64/sse2"\
":$HOME/.steam/steam/ubuntu12_32/steam-runtime/amd64/lib/x86_64-linux-gnu"\
":$HOME/.steam/steam/ubuntu12_32/steam-runtime/amd64/lib"\
":$HOME/.steam/steam/ubuntu12_32/steam-runtime/amd64/usr/lib/x86_64-linux-gnu"\
":$HOME/.steam/steam/ubuntu12_32/steam-runtime/amd64/usr/lib"\
":$HOME/.steam/ubuntu12_32/steam-runtime/amd64/lib/x86_64-linux-gnu"\
":$HOME/.steam/ubuntu12_32/steam-runtime/amd64/lib"\
":$HOME/.steam/ubuntu12_32/steam-runtime/amd64/usr/lib/x86_64-linux-gnu"\
":$HOME/.steam/ubuntu12_32/steam-runtime/amd64/usr/lib"\
":$HOME/.steam/steam/ubuntu12_32"\
":$HOME/.steam/steam/ubuntu12_64"

export LD_PRELOAD
LD_PRELOAD=$(pwd)/$LIBNAME

echo "Loading $LIBNAME"
GAMEEXE=csgo_linux64

# Max number of file descriptors
ulimit -n 2048

# Enable nVidia threaded optimizations
export __GL_THREADED_OPTIMIZATIONS=1
# Enable Mesa threaded shader compiles
export multithread_glsl_compiler=1

# And launch the game
# echo "$GAMEROOT"
cd "$GAMEROOT" || exit

STATUS=42
while [ $STATUS -eq 42 ]; do
    if [ "${DEBUGGER}" == "gdb" ]; then
        ARGSFILE=$(mktemp "$USER".hl2.gdb.XXXX)
        echo b main > "$ARGSFILE"
        echo run "$@" -game csgo >> "$ARGSFILE"
        echo show args >> "$ARGSFILE"
        if [[ "$(xrandr --listproviders | awk '/Providers/' | awk '{print $4}')" == "2" ]] &>/dev/null; then
            xrandr --setprovideroffloadsink 1 0
            echo -e "Launching CS:GO using PRIME GPU offloading... \\e[1;32m[SUCCESS]\\e[0m"
            # DRI_PRIME=1 glxinfo | grep "OpenGL renderer"
            DRI_PRIME=1 ${DEBUGGER} "${GAMEROOT}"/${GAMEEXE} -x "$ARGSFILE"
            rm "$ARGSFILE"
            DRI_PRIME=1 ${DEBUGGER} "${GAMEROOT}"/${GAMEEXE} "$@"
        elif [ -x "$(command -v primusrun)" ]; then
            echo -e "Launching CS:GO using primusrun... \\e[1;32m[SUCCESS]\\e[0m"
            primusrun ${DEBUGGER} "${GAMEROOT}"/${GAMEEXE} -x "$ARGSFILE"
            rm "$ARGSFILE"
            primusrun ${DEBUGGER} "${GAMEROOT}"/${GAMEEXE} "$@"
        elif [ -x "$(command -v optirun)" ]; then
            echo -e "Launching CS:GO using optirun... \\e[1;32m[SUCCESS]\\e[0m"
            optirun ${DEBUGGER} "${GAMEROOT}"/${GAMEEXE} -x "$ARGSFILE"
            rm "$ARGSFILE"
            optirun ${DEBUGGER} "${GAMEROOT}"/${GAMEEXE} "$@"
        else
            echo -e "Launching CS:GO... \\e[1;32m[SUCCESS]\\e[0m"
            ${DEBUGGER} "${GAMEROOT}"/${GAMEEXE} -x "$ARGSFILE"
            rm "$ARGSFILE"
            ${DEBUGGER} "${GAMEROOT}"/${GAMEEXE} "$@"
        fi
    elif [ "${DEBUGGER}" == "lldb" ]; then
        ARGSFILE=$(mktemp "$USER".hl2.lldb.XXXX)
        echo "b main" > "$ARGSFILE"
        echo "env DYLD_LIBRARY_PATH=$DYLD_LIBRARY_PATH" > "$ARGSFILE"
        if [[ "$(xrandr --listproviders | awk '/Providers/' | awk '{print $4}')" == "2" ]] &>/dev/null; then
            xrandr --setprovideroffloadsink 1 0
            echo -e "Launching CS:GO using PRIME GPU offloading... \\e[1;32m[SUCCESS]\\e[0m"
            # DRI_PRIME=1 glxinfo | grep "OpenGL renderer"
            DRI_PRIME=1 ${DEBUGGER} -s "$ARGSFILE" -- "${GAMEROOT}"/${GAMEEXE} "$@"
        elif [ -x "$(command -v primusrun)" ]; then
            echo -e "Launching CS:GO using primusrun... \\e[1;32m[SUCCESS]\\e[0m"
            primusrun ${DEBUGGER} -s "$ARGSFILE" -- "${GAMEROOT}"/${GAMEEXE} "$@"
        elif [ -x "$(command -v optirun)" ]; then
            echo -e "Launching CS:GO using optirun... \\e[1;32m[SUCCESS]\\e[0m"
            optirun ${DEBUGGER} -s "$ARGSFILE" -- "${GAMEROOT}"/${GAMEEXE} "$@"
        else
            echo -e "Launching CS:GO... \\e[1;32m[SUCCESS]\\e[0m"
            ${DEBUGGER} -s "$ARGSFILE" -- "${GAMEROOT}"/${GAMEEXE} "$@"
        fi
        rm "$ARGSFILE"
    else
        if [[ "$(xrandr --listproviders | awk '/Providers/' | awk '{print $4}')" == "2" ]] &>/dev/null; then
            xrandr --setprovideroffloadsink 1 0
            echo -e "Launching CS:GO using PRIME GPU offloading... \\e[1;32m[SUCCESS]\\e[0m"
            # DRI_PRIME=1 glxinfo | grep "OpenGL renderer"
            DRI_PRIME=1 ${DEBUGGER} "${GAMEROOT}"/${GAMEEXE} "$@"
        elif [ -x "$(command -v primusrun)" ]; then
            echo -e "Launching CS:GO using primusrun... \\e[1;32m[SUCCESS]\\e[0m"
            primusrun ${DEBUGGER} "${GAMEROOT}"/${GAMEEXE} "$@"
        elif [ -x "$(command -v optirun)" ]; then
            echo -e "Launching CS:GO using optirun... \\e[1;32m[SUCCESS]\\e[0m"
            optirun ${DEBUGGER} "${GAMEROOT}"/${GAMEEXE} "$@"
        else
            echo -e "Launching CS:GO... \\e[1;32m[SUCCESS]\\e[0m"
            ${DEBUGGER} "${GAMEROOT}"/${GAMEEXE} "$@"
        fi
    fi
    STATUS=$?
done
exit $STATUS