* add CLightEnv::m_TerrainShadowTransparency
* shadows will let a fraction of diffuse light through
* added JS LightEnv objects, so the lighting environment can be changed
from the console
* new element TerrainShadowTransparency supported in the scenario .xml
format,
changed cantabrian_generated with an example
This was SVN commit r3513.
- explicitly split ambient and diffuse
- add renderer.shadowZBias to bias depths in the depth texture
and avoid flickering artifacts caused by Z fighting
- cantabrian_generated uses new light values so that shadows aren't
pitch
black
This was SVN commit r3508.