This has been asked a dozen times by many different people.. generally no answer is given to them. Can't reply to those old threads since they get locked after a while anyways. I'll repost what someone else asked since its the exact same question I have:
Hello all, I was wondering this because I have some certain entities that don't quite fit into the list, and I am capable of producing my own sound files required.
Is it possible to extend the material index like so:
0 = None
1 = Stone
2 = Grass
3 = Metal
4 = Wood
5 = Hallway
6 = Water
7 = Carpet
8 = Custom Material 01
9 = Custom Material 02
10= Custom Material 03...
etc
Id like to create my own sounds for special types of materials. Wondering if we can also create own debris as well?