Records a new Phase A sub-piece: split the single ACDREAM_STREAM_RADIUS
into separate terrain + entity radii so terrain renders to a much
further horizon (WB-style) while entities/scenery stay at the current
closer radius.
Motivated by perf at ACDREAM_STREAM_RADIUS=5 dropping from ~810 fps
to ~200-300 fps because everything stays full-detail. Both retail and
WorldBuilder render terrain way out and strip entities at distance.
Estimate: 3-5 days for the radius split + fog tuning; +1 week if
terrain LOD via mesh decimation is included. Not yet brainstormed.
N.8 (sky + particles via WB's SkyboxRenderManager + ParticleEmitterRenderer)
was already on the roadmap; user confirmed they want it tracked there.
No edit needed for N.8 — already at the right level of detail.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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