Add get_gamepacks.sh, which updates and clones (if not present) src files and scripts for some example games and mods

build_all.sh

@@ -1,4 +1,5 @@
 #!/bin/sh
 ./build_engine.sh
+./get_gamepacks.sh
 ./build_game.sh
 ./build_editor.sh

get_gamepacks.sh

@@ -0,0 +1,23 @@
+#!/bin/sh
+set -e
+SCRPATH="$( cd "$( dirname $(readlink -nf $0) )" && pwd )"
+
+grab_mod()
+{
+    if [ -f "$SCRPATH/$1"/LICENSE ]; then
+	cd "$SCRPATH/$1"
+	git pull
+    else
+	cd "$SCRPATH"
+	git clone "$2" "$1"
+    fi
+}
+
+grab_mod gearbox https://www.github.com/eukara/freegearbox
+grab_mod rewolf https://www.github.com/eukara/freegunman
+grab_mod poke646 https://www.github.com/eukara/freepoke646
+grab_mod tfc https://www.github.com/eukara/freetfc
+grab_mod scihunt https://www.github.com/eukara/freesci
+grab_mod hunger https://www.github.com/eukara/freehunger
+grab_mod valve https://www.github.com/eukara/freehl
+grab_mod cstrike https://www.github.com/eukara/freecs