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render3d: the bake and tile magics are "LBAK" and "LTT2" (they were "LAAK" and "LDT2")

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Both constants were worked out by hand and a byte off each: the tiles' bake wrote "LAAK" and "LDT2", which
ludic bake --check refuses, and r3d_baked_read, holding the same wrong constant, would have refused
ludic.base's correct files (the sun's shadow among them) while accepting its own. Now 0x4B41424C and
0x3254544C, checked against the strings; the unused LTT1 constant is gone. A re-bake is needed.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Orkun ÇAKILKAYA 2026-09-29 18:28:11 +03:00
parent 31df4dba9f
commit d2e1f804ce
3 changed files with 2 additions and 3 deletions
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packages/ludic.render3d/terrain_ltt2_write.ludic
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@ -4,7 +4,7 @@
# by the cut; either way the whole copy is put back to the quantized values, so the build's own
# queries, the physics, the placements' bake and every machine read the same numbers.
const LT_MAGIC: int = 844383308 # "LTT2"
const LT_MAGIC: int = 844387404 # "LTT2" read as a little-endian u32: 0x3254544C
const LT_VERSION: int = 1
const LT_HEAD: int = 128 # 32 words