- sky_start_yaw: a game that turns the sky at boot sets it before r3d_init and the image-based light
is baked once at that yaw; sky_set_yaw to a yaw already baked bakes nothing.
- terrain_init_step: the height field and normals, the sun shadow, the materials, the patches and
programs as separate steps; r3d_load_count is 8, so a loading bar moves through the terrain (half
the start-up) instead of jumping over it. terrain_init runs the four in a row as before.
- The per-cascade actor cull centres its sphere at half the model's height and sizes it by the
larger of height and radius: centred at the radius, it dropped a head at a cascade's edge (11 px
in town, found by the drawstats comparison). Lake was byte-identical before and after.
OpenGL frames at the five viewpoints unchanged; the game's 59 self-tests pass.
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
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