click the terrain in the UDK editor you loaded
then select, "Terrain Properties."
the small white arrow with the heading
"Physics." if you cannot see the options.
where we are going to assign a "Physical
Material", to the terrain.
maximise the content browser and locate the
Physical Material file, "PM_Default."
Click on it and highlight it but not open it.
file is still selected, maximise or reopen the
"Terrain Properties" window.
option box, "Terrain Phys Material Override",
press the green arrow to add the Physical
add a description of the Physical Material
selected and remove the word "none."
"Terrain Properties" window and the content
and then "Save All."
and test sound by going for a walk. If there are no sounds start
from the beginning. When clicking on the green
arrow to add sound cues or physical materials
and nothing happens then the file you are adding
is incorrect or is not selected properly.
Don't forget you can test sound
cues by double clicking them in the content browser.
It is wise to listen to sound cues before using or
adding them in case they are blank and play no sound
or have been modified in some way.
Normally if untouched, the
Sound Cue "A_Character_Footstep_DefaultCue" works
perfectly so don't panic!
Don't forget this method of
adding sounds can be used on Static Meshes too! Just
locate the Physics tab under the properties of the
mesh and add the Physical Material.