Left 4 Dead 2 hl2.sh

hl2.sh

#!/bin/bash

# figure out the absolute path to the script being run a bit
# non-obvious, the ${0%/*} pulls the path out of $0, cd's into the
# specified directory, then uses $PWD to figure out where that
# directory lives - and all this in a subshell, so we don't affect
# $PWD

GAMEROOT=$(cd "${0%/*}" && echo $PWD)

#determine platform
UNAME=`uname`
if [ "$UNAME" == "Darwin" ]; then
   # prepend our lib path to LD_LIBRARY_PATH
   export DYLD_LIBRARY_PATH="${GAMEROOT}"/bin:$DYLD_LIBRARY_PATH
elif [ "$UNAME" == "Linux" ]; then
   # prepend our lib path to LD_LIBRARY_PATH
   export LD_LIBRARY_PATH="${GAMEROOT}"/bin:$LD_LIBRARY_PATH
fi

if [ -z $GAMEEXE ]; then
	if [ "$UNAME" == "Darwin" ]; then
		GAMEEXE=hl2_osx
	elif [ "$UNAME" == "Linux" ]; then
		GAMEEXE=hl2_linux
	fi
fi

ulimit -n 2048

# enable nVidia threaded optimizations
export __GL_THREADED_OPTIMIZATIONS=1

# and launch the game
cd "$GAMEROOT"

# Enable path match if we are running with loose files
if [ -f pathmatch.inf ]; then
	export ENABLE_PATHMATCH=1
fi

# Do the following for strace:
# 	GAME_DEBUGGER="strace -f -o strace.log"
# Do the following for tcmalloc
#   LD_PRELOAD=../src/thirdparty/gperftools-2.0/.libs/libtcmalloc_debug.so:$LD_PRELOAD

STATUS=42
while [ $STATUS -eq 42 ]; do
	if [ "${GAME_DEBUGGER}" == "gdb" ] || [ "${GAME_DEBUGGER}" == "cgdb" ]; then
		ARGSFILE=$(mktemp $USER.hl2.gdb.XXXX)
		echo b main > "$ARGSFILE"

		# Set the LD_PRELOAD varname in the debugger, and unset the global version. This makes it so that
		#   gameoverlayrenderer.so and the other preload objects aren't loaded in our debugger's process.
		echo set env LD_PRELOAD=$LD_PRELOAD >> "$ARGSFILE"
		echo show env LD_PRELOAD >> "$ARGSFILE"
		unset LD_PRELOAD

		echo run $@ >> "$ARGSFILE"
		echo show args >> "$ARGSFILE"
		LD_PRELOAD=/usr/lib32/libmumble.so ${GAME_DEBUGGER} "${GAMEROOT}"/${GAMEEXE} -x "$ARGSFILE"
		rm "$ARGSFILE"
	else
		LD_PRELOAD=/usr/lib32/libmumble.so ${GAME_DEBUGGER} "${GAMEROOT}"/${GAMEEXE} "$@"
	fi
	STATUS=$?
done
exit $STATUS