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.
53 lines
2.3 KiB
Bash
Executable File
53 lines
2.3 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Render one screen at several points on its timeline and montage them -- the
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# P2 gate artifact, and the way to eyeball any animation question later.
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#
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# tools/screen-strip main_menu # a default spread
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# tools/screen-strip main_menu 0.45 0.6 0.9 1.35 # explicit seconds
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#
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# Also writes <screen>.rest.png and <screen>.settled.png and reports where they
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# differ. That difference is the interesting number: the timeline is expected to
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# land EXACTLY on the declared resting pose for every element whose `rest` the
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# decoders identify correctly, so a clean run shows a difference confined to the
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# elements we know it misses, and nothing else. A difference anywhere else means
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# the interpolation is wrong.
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set -euo pipefail
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cd "${PROJECT_DIR:-/work}"
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name="${1:?usage: screen-strip SCREEN [SECONDS...]}"; shift
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times=("$@")
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[ ${#times[@]} -eq 0 ] && times=(0.45 0.52 0.57 0.62 0.67 0.75 0.90 1.35)
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OUT="${OUT:-${TMPDIR:-/tmp}/screen-strip}"
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export DISPLAY="${DISPLAY:-:97}"
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mkdir -p "$OUT"
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[ -d port/.godot ] || godot --headless --path port --import >/dev/null 2>&1
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shot() { # shot <godot args...> <outfile>
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local out="${!#}"
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godot --path port --resolution 1280x720 -- "--screen=$name" "${@:1:$#-1}" \
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"--capture=$out" >"$OUT/$name.log" 2>&1
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}
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labelled=()
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for t in "${times[@]}"; do
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shot "--time=$t" "$OUT/$name.t$t.png"
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convert "$OUT/$name.t$t.png" -resize 320x180 -bordercolor gray30 -border 1 \
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-background black -fill white -pointsize 13 label:"t = ${t}s" \
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-gravity center -append "$OUT/$name.lab$t.png"
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labelled+=("$OUT/$name.lab$t.png")
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done
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montage "${labelled[@]}" -tile 4x -geometry +4+4 -background black "$OUT/$name.strip.png"
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shot --pose=rest "$OUT/$name.rest.png"
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shot --time=99 "$OUT/$name.settled.png"
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convert "$OUT/$name.settled.png" "$OUT/$name.rest.png" -compose difference -composite "$OUT/$name.d.png"
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max=$(convert "$OUT/$name.d.png" -format "%[fx:maxima*255]" info:)
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convert "$OUT/$name.d.png" -colorspace Gray -threshold 0 "$OUT/$name.m.png"
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if [ "${max%.*}" = "0" ]; then
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box="(identical)"
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else
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box=$(convert "$OUT/$name.m.png" -trim -format "%wx%h%X%Y" info: 2>/dev/null)
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fi
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echo "$name: strip -> $OUT/$name.strip.png"
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echo "$name: settled timeline vs declared rest -- max ${max}/255, differing region $box"
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