56cc7acfc3
`ratc::parse` named each child by scanning backwards for the last printable run of bytes before its magic. The format states the name explicitly instead, in an `opt ` block: `"opt " | BE32 len | name | NUL | 3 bytes | magic` -- the same block `ui_layout::opt_link` already read for a button's focus link. The scan agrees with it 17 918 times out of 17 942 and is wrong 24 times, every one the same failure: the 3 trailing payload bytes are themselves printable and beat the real name. For `pteff05.t32` those bytes are `38 41 58` = `8AX`, so the full-resolution background of all five menu screens registered under a name no element declares, resolved to no sprite, and `compose` dropped it through an early `continue` that -- unlike the two arms above it -- records nothing. The screen lost its background and `screen render` still reported "all resolved". `8AX` was never a name. Docs that treated it as one are corrected here. Disc-wide, and the control is the 17 918 the scan already got right: the `opt ` reading reproduces every one of them. Effect on the five screens is the signature of the same art at twice the resolution -- mean brightness unmoved, high-frequency detail x1.15..x1.30 -- which is what the separately-measured `ui-8ax-fullres-background` result said the game draws. Also closes a long-standing dangling reference: `pmbase.t32`, recorded as "on the disc nowhere", is the `GP_STAGE_CLEAR` child the scan called `8AX`. RATC sibling references now resolve 10 148 of 10 148. Verified: 114/114 sylpheed-formats unit tests (including two new ones pinning the `8AX` case byte for byte and the no-block fallback), and every disc-gated integration suite in sylpheed-formats/sylpheed-cli.
27 lines
1.4 KiB
Plaintext
27 lines
1.4 KiB
Plaintext
# Effect on the five port screens of naming RATC children from the `opt `
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# block. 2026-08-29. `sylpheed-cli screen render --build N GP_TITLE.pak`,
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# before vs after the ratc.rs change. The newly-resolved element is the
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# full-resolution background (pteff04.t32 on the title, pteff05.t32 on the
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# menus), which the old name `8AX` hid.
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build screen mean brightness high-frequency detail
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4 title 72.77 -> 72.81 8.722 -> 10.062 x1.15 pixels changed >2: 30.0%
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5 main menu (JP) 42.73 -> 42.74 3.978 -> 5.051 x1.27 pixels changed >2: 20.0%
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6 EXTRAS (JP) 44.08 -> 44.09 3.953 -> 5.025 x1.27 pixels changed >2: 19.4%
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8 main menu 41.57 -> 41.58 3.830 -> 4.970 x1.30 pixels changed >2: 21.0%
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9 EXTRAS 42.99 -> 43.00 3.867 -> 5.000 x1.29 pixels changed >2: 20.2%
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# Brightness unmoved, detail up ~a quarter = the same artwork at twice the
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# resolution replacing a 2x upscale. New CONTENT would move the mean.
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# Covering check: the background is opaque and full-screen and paints 4th
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# of 16 on the menu, so it could hide what follows. Standard deviation
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# inside each element's resting rect (build 8), before vs after:
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ptbtn01 sd 59.98 -> 60.03
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ptbtn03 sd 63.40 -> 63.45
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ptbtn05 sd 66.54 -> 66.58
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ptframe1 sd 51.16 -> 51.20
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ptmsg sd 56.11 -> 56.12
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loop-area sd 50.99 -> 51.04
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# Nothing is covered.
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