Great progress! Thanks!
By the way, another great step towards realism in the new shaders patch is the addition of bounced light:
Black Cat County and a few others are already using it (excerpt from ks_black_cat_county.ini):
[BOUNCED_LIGHT]
SUPPORTED=1
OBJECT_MESHES=?farm?, ?low?
OBJECT_MATERIALS=cuts, billboard_front, billboard_base, fence?, grass, signs, grail?, house?, cactus, farm, windpump, Water_tower_rusty, welcome, _WoodenDock?
SPOT_MATERIALS=rocks_big, wall
DEPTH_EXPANSION_STEPS=0
CLIP_POINT_0=192.5, 79.29, 494.18
CLIP_POINT_1=-197.41, 3.05, -776.9
CLIP_POINT_2=-186.86, 5.69, -813.57
CLIP_POINT_3=-152.44, 7.34, -919.94
CLIP_POINT_4=-92.23, 9.42, -992.24
CLIP_POINT_5=-175.93, 7.17, -861.12
CLIP_POINT_6=-176.1, 4.49, -570.24
CLIP_POINT_7=-123.86, 9.18, -962.21
CLIP_POINT_8=-168.8, 9.02, -886.79
CLIP_POINT_9=-80.8, -23.48, -1217.63
CLIP_POINT_10=-165.31, -15.31, -1047.88
CLIP_POINT_11=-1050.61, -19.93, 270.1
CLIP_POINT_12=-130.34, 36.79, -603.93
CLIP_POINT_13=-8.96, 73.97, -512.38
CLIP_POINT_14=84.17, 83.29, -618.2
EDIT: just noticed that something i was dreaming about for the last 20 years happened: north and south loops joined.