0 = GenericSoft
1 = Stone
2 = Metal
3 = Wood
4 = Glass
5 = Liquid Splashy Wet
6 = Cloth / Flesh / Soft Absorbant (blood effect)
7 = Hollow Drum Metal
8 = Small High Pitch Tin
9 = Small Low Pitch Tin
10 = Silly Material
11 = Marble
12 = Cobble
13 = Gravel
14 = Soft Metal
15 = Old Stone
16 = Old Wood
17 = Shallow Water
18 = Underwater
