docs(terrain): record material phase boundary

2026-07-18 17:07:34 +04:00
parent a858910853
commit d1caf230c6
1 changed files with 8 additions and 0 deletions
@@ -1565,6 +1565,14 @@ as table 1, while its material-phase lookup receives the exact 32-bit selector
 `(table_index << 16) | material_index`. `TerrainMaterialSelection` preserves
 that key for the renderer without assuming how the two phases are blended.
 The same `World3D!GetMaterialPhase` recovery establishes the next boundary. It
 validates the table/row selector, chooses a MAT0 phase (or interpolates two
 phases for an animated material), returns the selected material record, and
 hands its caller a 76-byte expanded phase-state block. It does not submit a
 draw or compose the two terrain tables. The later consumer of that record and
 the type-18 microtexture mapping remains the required evidence before adding
 an overlay, blend, or microtexture shader.
 The static Vulkan bridge now carries each contiguous face run as a separate
 draw range keyed by the original packed `material_tag`; it neither reorders
 triangles nor collapses the high byte. For the first usable visual layer, the