The grass segment in ww2-platforms does not have sound although it has a materialindex in the FPS.
Some stuff of model pack 3 has no sound.
Check this:
;Segment Spec
;Header
partmax = 0
lastmeshmax = 0
;Segment Parts
partmode0 = 0
meshname0 = meshbank\M3\floors\floor_01.X
offx0 = 0
offy0 = -52
offz0 = 0
rotx0 = 0
roty0 = 0
rotz0 = 0
texture0 = texturebank\M3\floors\Wood_flr02_D2.TGA
transparency0 = 0
effect0 =
colmode0 = 1
csgmesh0 =
csgmode0 = 0
csgimmune0 = 1
lightmode0 = 0
multimeshmode0 = 0
materialindex0 = 17
;Segment Visibility
visoverlay = 2
visfloor = 0
visroof = -1
viswallb = -1
viswallr = -1
viswallf = -1
viswalll = -1
viscornertl = -1
viscornertr = -1
viscornerbr = -1
viscornerbl = -1
;Segment Blueprint
mode = 2
symbol = 0
floorsizey = 1
sidesizex = 100
sidesizey = 1
sidesizez = 100
groundmode = 2
kindof = 0
;end
-----------
But in the audio -> materials folder there isn't any 17-wave-file. The range is only from 0 to 16.
[under construction]