Changelog

Reworked shadows rendering:
- Might be slightly faster;
- Alpha-testing materials with alpha in txNormal will work properly;
- Option for semi-transparent shadows for certain materials;
New smoother shadows mapping algorithm;
Extra FX: force mesh to be drawn as opaque in G-buffer (for some meshes breaking reflections);
A bit of quality filtering for SSLR is back to reduce artifacts;
Fake Shadows FX: caching for freshly baked shadows works again;
Weather FX setting conditions fixed;
Default weather script now sets wfx_WET as well;
Particles FX: option to turn on fireworks at night;
New UnevenWaterFix option for Material_Water, helping in case mesh is not that flat;
Shader ksPerPixelAT_NS fixed.