38 lines
2.1 KiB
Bash
Executable File
38 lines
2.1 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Builds the runtime resource pack PixelPics renders from (blockstates, models, textures, items,
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# atlases, font) straight from Mojang's CLIENT jar — no launcher install needed. The plugin ships no
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# assets itself. The plugin does the same on its own (resource-pack.auto-download/auto-update in
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# config.yml); use this script for servers without internet access, then drop the zip into
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# plugins/PixelPics/resourcepack/. No pack.mcmeta needed (the client jar has none; the loader detects
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# a zip by its vanilla blockstate files). The zip carries a pixelpics-pack.json with the version, so
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# the plugin's auto-update recognises and replaces it after a Minecraft update.
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#
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# Needs: curl, jq, unzip, zip, sha1sum.
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#
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# Usage: tools/build-vanilla-pack.sh 26.3 # -> ./vanilla-26.3.zip
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# tools/build-vanilla-pack.sh 26.3 <output-dir> # -> <output-dir>/vanilla-26.3.zip
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set -euo pipefail
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VER="${1:?usage: $0 <minecraft-version> [output-dir]}"
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OUT_DIR="$(mkdir -p "${2:-.}" && cd "${2:-.}" && pwd)"
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OUT="$OUT_DIR/vanilla-$VER.zip"
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WORK="$(mktemp -d)"
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trap 'rm -rf "$WORK"' EXIT
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META="$(curl -fsS https://piston-meta.mojang.com/mc/game/version_manifest_v2.json \
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| jq -r --arg v "$VER" '.versions[] | select(.id==$v) | .url')"
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[[ -n "$META" ]] || { echo "Minecraft version $VER not found in Mojang's version manifest"; exit 1; }
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echo "Downloading client jar for $VER ..."
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curl -fsS -o "$WORK/version.json" "$META"
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SHA1="$(jq -r .downloads.client.sha1 "$WORK/version.json")"
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curl -fsS -o "$WORK/client.jar" "$(jq -r .downloads.client.url "$WORK/version.json")"
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echo "$SHA1 $WORK/client.jar" | sha1sum -c --quiet - || { echo "sha1 mismatch for the client jar"; exit 1; }
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unzip -q "$WORK/client.jar" 'assets/minecraft/'{blockstates,models,textures,items,atlases,font}'/*' -d "$WORK/pack"
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jq -n --arg v "$VER" --arg s "$SHA1" --arg t "$(date -u +%FT%TZ)" \
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'{version: $v, client_sha1: $s, created: $t, source: "tools/build-vanilla-pack.sh"}' > "$WORK/pack/pixelpics-pack.json"
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rm -f "$OUT"
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(cd "$WORK/pack" && zip -qr "$OUT" .)
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echo "Wrote $OUT ($(unzip -Z1 "$OUT" | grep -vc '/$') files)"
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