When using 'ufo2map -soft maps/forest/fr_nature_03' everything is going fine. Line 15 reads "use worldspawn settings from ump file" and the result is as expected.
> extrasamples = true
> soft = true
> ---- ufo2map 1.2.6 ----
> ---- endianness initialization -----
> found little endian system
> path: 'maps/forest/fr_nature_03'
>
> ---- filesystem initialization -----
> Adding game dir: ./base
> Adding game dir: C:\Dokumente und Einstellungen\1\Anwendungsdaten\UFOAI/2.6-dev/base
> using ./base for writing
> ...map: 'maps/forest/fr_nature_03.map'
> ...bsp: 'maps/forest/fr_nature_03.bsp'
> ...ump: 'maps/forest.ump'
> use worldspawn settings from ump file
> LEVEL: 0...1...2...3...4...5...6...7...8...9... (time: 1s, #: 259)
> UNITCHECK: 0...1...2...3...4...5...6...7...8...9... (time: 0s, #: 131072)
> CONNCHECK: 0...1...2...3...4...5...6...7...8...9... (time: 2s, #: 1048576)
>
> Writing maps/forest/fr_nature_03.bsp
> 3 seconds elapsed
> ----- Lighting ----
> 0 direct lights for night lightmap
> FACELIGHTS: 0...1...2...3...4...5...6...7...8...9... (time: 8s, #: 850)
> FINALLIGHT: 0...1...2...3...4...5...6...7...8...9... (time: 0s, #: 850)
> 8 seconds elapsed
> 0 direct lights for day lightmap
> FACELIGHTS: 0...1...2...3...4...5...6...7...8...9... (time: 8s, #: 850)
> FINALLIGHT: 0...1...2...3...4...5...6...7...8...9... (time: 0s, #: 850)
> 8 seconds elapsed
> writing maps/forest/fr_nature_03.bsp
> sum: 19 seconds elapsed - 5 MB (5168808 bytes)
<BR>
while using 'ufo2map -soft -gamedir base/maps/forest fr_nature_03' ignores the settings from the .ump file
> extrasamples = true
> soft = true
> additional gamedir = base/maps/forest
> ---- ufo2map 1.2.6 ----
> ---- endianness initialization -----
> found little endian system
> path: 'fr_nature_03'
>
> ---- filesystem initialization -----
> Adding game dir: ./base
> Adding game dir: C:\Dokumente und Einstellungen\1\Anwendungsdaten\UFOAI/2.6-dev/base
> using ./base for writing
> change writing directory to base/maps/forest
> Adding game dir: base/maps/forest
> ...map: 'fr_nature_03.map'
> ...bsp: 'fr_nature_03.bsp'
> LEVEL: 0...1...2...3...4...5...6...7...8...9... (time: 1s, #: 259)
> UNITCHECK: 0...1...2...3...4...5...6...7...8...9... (time: 0s, #: 131072)
> CONNCHECK: 0...1...2...3...4...5...6...7...8...9... (time: 2s, #: 1048576)
>
> Writing fr_nature_03.bsp
> 3 seconds elapsed
> ----- Lighting ----
> 0 direct lights for night lightmap
> FACELIGHTS: 0...1...2...3...4...5...6...7...8...9... (time: 8s, #: 850)
> FINALLIGHT: 0...1...2...3...4...5...6...7...8...9... (time: 0s, #: 850)
> 8 seconds elapsed
> 0 direct lights for day lightmap
> FACELIGHTS: 0...1...2...3...4...5...6...7...8...9... (time: 7s, #: 850)
> FINALLIGHT: 0...1...2...3...4...5...6...7...8...9... (time: 0s, #: 850)
> 7 seconds elapsed
> writing fr_nature_03.bsp
> sum: 18 seconds elapsed - 5 MB (5168792 bytes)