f44ebced59
Brought in with a subtree merge rather than a copy, so the port's 31 commits survive as history rather than arriving as one anonymous import. Landed under godot-import/ and moved into the final layout in the next commit, which keeps git's rename detection able to follow each file across the move.
60 lines
3.1 KiB
JSON
60 lines
3.1 KiB
JSON
{
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"format": "sylpheed.timing/1",
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"keyframe_units_per_second": 60,
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"why": [
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"HANDOFF Q1. The disc says a keyframe is at `t=30`; it does not say what a",
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"`t` is. The unit was MEASURED off the running game, not decoded: a declared",
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"15-unit fade lands on round(255*k/15) for all seven of its samples with k",
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"stepping 2,4,6,8,10,12,14 on seven consecutive submitted frames -- so 2",
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"units per rendered frame -- and the idle title presents at 28.3-28.8 fps,",
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"a 30 Hz game, giving 60 units per second. A second line agrees: the",
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"transition quad is declared black for 12 units, and a capture measured the",
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"pure-black plateau at 0.17-0.23 s, where 12/60 = 0.20 s.",
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"",
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"Expressed as units-per-second rather than seconds-per-unit so the value is",
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"exact rather than a repeating decimal a reader has to recognise.",
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"",
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"DELETE THIS FILE when a field on the disc is found that states the unit.",
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"Nothing here is on the disc."
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],
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"kind": "measured",
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"source": "/reborn docs/port/HANDOFF.md Q1, docs/re/ui-keyframe-time-unit.md",
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"ramp": "linear",
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"ramp_why": [
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"Also HANDOFF Q1, and part of the same measurement: the fade lands on the",
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"linear value at every one of the seven sampled frames, so there is no ease."
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],
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"exit_ramp_seconds": 0.4,
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"exit_ramp_why": [
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"HANDOFF Q7 + the RE agent's 2026-08-29 answer. MEASURED, not on the disc.",
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"",
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"Every element of a screen ends on exactly ONE untimed keyframe, so there is",
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"exactly one unknown duration per screen -- the ramp INTO that final keyframe.",
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"This is that duration. ~0.4 s, which is 24 units at 60 units/s.",
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"",
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"The alternative readings were tested and refuted. It is not a black quad laid",
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"over a frozen screen: under that model a black rect scales every region by the",
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"same 1-alpha, so the button-region / background-region brightness RATIO would",
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"be constant through the fade. Measured on the RE agent's filmstrip it falls",
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"6.495 -> 5.574 -> 3.105 -> 2.125 -> 1.935, a 3.4x monotonic drop. The screen",
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"itself plays out: pteff00.prm ramps to opaque black while the button labels,",
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"ptmsg, pteff10 and pteff12 all ramp to transparent, and ptframe1/2 hold.",
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"",
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"REACH, quoted from the RE agent rather than smoothed over: the filmstrip is",
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"downsampled and the button region contains some background, so this pins the",
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"DIRECTION, not 0.4 s to +/-0.05 s, and it is one transition pair. Treat the",
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"number as approximate and the model as established."
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],
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"exit_ramp_units": 24,
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"dwell_seconds": null,
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"dwell_why": [
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"NOT SET, and not needed. A screen's dwell is its OWN keyframe group: the",
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"publisher wordmark reaches its hold at t=235 (3.92 s) and the developer logos",
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"at t=190 (3.17 s), both read from the disc. Adding a hold on top of that would",
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"be inventing a number nobody measured, so the sequencer holds for zero extra",
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"time and the pacing you see is the disc's own.",
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"",
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"If a capture ever times the real boot, this is where that number goes."
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]
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}
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