Affected Mod Versions:

• Forge version:12.18.2.2109
• RTG version:4.1.1.4
• Pastebin includes mod list

Issue Description:

Client Crash when generating new chunks. Crash log seems to indicate that its a problem with RTG figuring out snow layers for BoP's Cold Desert, potentially other snowy biomes. Tested by loading world again and got same crash again on attempt to generate chunks.

Crash log:
http://pastebin.com/b0uyxz4v

Fml-client-latest: not sure if you guys need this or not but here it is
https://gist.github.com/WaxilliumGlass/1be95556c910bc884217a9a03267dfe6

https://github.com/Team-RTG/Realistic-Terrain-Generation/blob/1.10.2-dev/src/main/java/rtg/util/SnowHeightCalculator.java#L10

byte h = (byte) ((noise[x * 16 + z] - ((int) noise[x * 16 + z])) * 8);

This needs extra checking to be sure h is locked into a range of 1-8.

Fixed in 616a7cf