nexuiz-linux-glx.sh

   1 #!/bin/sh
   2
   3 path=`dirname "${0}"`
   4 link=`readlink "${0}"`
   5
   6 [ -n "${link}" ] && path=`dirname "${link}"`
   7 cd "${path}"
   8
   9 case "${0##*/}" in
  10   *sdl*)        mode="sdl" ;;
  11   *)            mode="glx" ;;
  12 esac
  13
  14 case "$(uname -m)" in
  15   x86_64)       arch="x86_64" ;;
  16   *)            arch="686" ;;
  17 esac
  18
  19 nexuiz="nexuiz-linux-${arch}-${mode}"
  20
  21 set -- ./${nexuiz} "${@}"
  22
  23 xserver=
  24 xlayout=
  25
  26 setdisplay()
  27 {
  28         VALUE=$1
  29         VALUE=${VALUE#\"}
  30         VALUE=${VALUE%\"}
  31         case "$VALUE" in
  32                 :*)
  33                         ;;
  34                 *)
  35                         VALUE=:$VALUE
  36                         ;;
  37         esac
  38         VALUE="$VALUE/"
  39         xserver="${VALUE%%/*}"
  40         xserver=${xserver#:}
  41         xlayout=${VALUE#*/}
  42         xlayout=${xlayout%/}
  43 }
  44
  45 # now how do we execute it?
  46 if [ -r ~/.nexuiz/data/config.cfg ]; then
  47         while read -r CMD KEY VALUE; do
  48                 case "$CMD:$KEY" in
  49                         seta:vid_x11_display)
  50                                 setdisplay "$VALUE"
  51                                 ;;
  52                 esac
  53         done < ~/.nexuiz/data/config.cfg
  54 fi
  55
  56 m=0
  57 for X in "$@"; do
  58         case "$m:$X" in
  59                 0:+vid_x11_display)
  60                         m=1
  61                         ;;
  62                 0:+vid_x11_display\ *)
  63                         setdisplay "${X#+vid_x11_display }"
  64                         ;;
  65                 1:*)
  66                         setdisplay "$X"
  67                         m=0
  68                         ;;
  69                 *)
  70                         ;;
  71         esac
  72 done
  73
  74 case "$xserver" in
  75         '')
  76                 ;;
  77         *[!0-9]*)
  78                 echo "Not using display ':$xserver': evil characters"
  79                 ;;
  80         *)
  81                 msg=
  82                 lf='
  83 '
  84                 prefix=
  85
  86                 # check for a listening X server on that socket
  87                 if netstat -nl | grep -F " /tmp/.X11-unix/X$xserver" >/dev/null; then
  88                         # X server already exists
  89                         export DISPLAY=:$xserver
  90                         prefix="DISPLAY=:$xserver "
  91                         msg=$msg$lf"- Running Nexuiz on already existing display :$xserver"
  92                 else
  93                         set -- startx "$@" -fullscreen -- ":$xserver"
  94                         msg=$msg$lf"- Running Nexuiz on a newly created X server :$xserver."
  95                         case "$xlayout" in
  96                                 '')
  97                                         ;;
  98                                 *[!A-Za-z0-9]*)
  99                                         echo >&2 "Not using layout '$xlayout': evil characters"
 100                                         xlayout=
 101                                         ;;
 102                                 *)
 103                                         set -- "$@" -layout "$xlayout"
 104                                         msg=$msg$lf"- Using the ServerLayout section named $xlayout."
 105                                         ;;
 106                         esac
 107                 fi
 108
 109                 echo "X SERVER OVERRIDES IN EFFECT:$msg"
 110                 echo
 111                 echo "Resulting command line:"
 112                 echo "  $prefix$*"
 113                 echo
 114                 echo "To undo these overrides, edit ~/.nexuiz/data/config.cfg and remove the line"
 115                 echo "starting with 'seta vid_x11_display'."
 116                 echo
 117                 echo
 118                 ;;
 119 esac
 120
 121 exec "$@"