----- Light 1.43 ---- Modified by Bengt Jardrup

Light performs light processing of Quake .BSP files

light [options] bspfile

Options:
   -fast [n]        Enable fast lighting (lower quality, default 2)
   -soft [n]        Enable soft lighting (reduce jagged shadows)
   -softdist [n]    Distance tolerance for lights behind surface (default 3)
   -extra           Enable extra 2x2 sampling for higher quality
   -extra4          Enable extra 4x4 sampling for even higher quality
   -dist [n]        Set fade distance, higher is darker (default 1.0)
   -range [n]       Set brightness range, higher is brighter (default 0.5)
   -globrange       Enable global range (range affects global light)
   -noglobrange     Disable global range (use with arghlite/tyrlite)
   -light [n]       Set minimum light level (default 0)
   -maxlight [n]    Set maximum light level (default disabled)
   -nolight         Disable light entities, only global light remains
   -srclight        Disable all unsourced light entities
   -sunlight [n]    Set sunlight level (default 0)
   -sunlight2 [n]   Set 2nd sunlight (outdoor minlight) level (default 0)
   -sunlight3 [n]   Same as sunlight2 + set Shadow sensitivity to 0.4
   -sunmangle [y,p] Set sun direction, y=yaw (0 to 360), p=pitch (90 to -90) (default (0,-90)
   -nowarnings      Disable repetitive warnings
   -rate [s,p,l,t]  Control extended progress update rate and format, s=seconds, p=percent, l=line, t=total (default 10,1.0,1,1)
   -barpercent      Simplified and weighted bargraph progress information
   -numpercent      Simplified and weighted numerical progress information
   -oldlight        Disable entity wait/delay/mangle/antilight features
   -tyrlite         Enable TyrLite mode
   -tyrlite95       Enable TyrLite95 mode
   -arghlite        Enable ArghLite mode
   -addmin          Enable additive minlight
   -iklite          Enable IKLite mode
   -ikangle         Enable IKLite angle sensitivity
   -anglesense [n]  Set angle sensitivity (default 0.5)
   -shadowsense [n] Set angle sensitivity for 2nd sunlight (default 0.0)
   -gate [n]        Set Fade Gate (limit attenuated lights) (default 0.0)
   -dlx             Enable limited LightDLX mode
   -kinn            Translate delay 2 lights into delay 5
   -solidsky        Enable solid sky brushes
   -unsup           Print details about unsupported keys
   -detect          Print detected keys summary
   -noskill         Disable fuzzy skill target check
   -noflash         Disable flashing lights
   -noanti          Disable antilights
   -lightcap [n]    Set maximum light entity intensity
   -onlyents        Only process switchable light entities
   -nowrite         Disable bsp write
   -norev           Prevent reverse entity key order
   -etp             Enable Enhanced Texture Positioning support
   -priority [n]    Set thread priority 0-2 (below/normal/above, default 1)
   -oldhformat      Enable hour format HH:MM:SS instead of HHh MMm
   bspfile          .BSP file to process
