Bug: Bad entity model lighting origins in maps

[pivotman319-owo]

Describe the bug

Entities that make use of legacy assets will have invalid model lighting origins/illumpositions in places that are otherwise well-lit, even with CSM enabled. This seems to primarily occur on v20 and v21 maps? BSP v25 is also affected.

Original map:

Recompiled with Strata VBSP:

Engine Commit e6b7daee - P2CE Staging Branch, Build ID 19008856

Launch Args:

chaos.exe -game p2ce -steam -w 1920 -h 1080 -sw -noborder -dev -multirun -allowspectators -insecure +sv_max_allowed_developer 2 +developer 2  -condebug

[engine] Exe build: 09:52:12 Jun 26 2025 (9728) (440000)
[engine] Windows version 10.0

To Reproduce

1. Mount AppId 220 (hl2, episodic, ep2) in mounts.kv
2. map ep2_outland_12
3. Drive to the sawmill

Issue Map

Any map, especially ep2_outland_12

Expected Behavior

Models should be lit correctly

System Specifications

Windows 11 2024 Update Beta Channel - 10.0.26100.4520 (ge_release_svc_betaflt_prod1.250618-1527) amd64fre

Running on a machine with a Ryzen 7 9700X, 32 GB of DDR5 RAM and a Gigabyte GeForce RTX 4060 WindForce OC, 8 GB VRAM

[pivotman319-owo]

Effects are exacerbated with CSM + clustered