146 lines
5.0 KiB
Bash
Executable File
146 lines
5.0 KiB
Bash
Executable File
#!/usr/bin/env bash
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(
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set -e
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PS1="$"
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basedir="$(cd "$1" && pwd -P)"
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workdir="$basedir/work"
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minecraftversion=$(cat "$workdir/BuildData/info.json" | grep minecraftVersion | cut -d '"' -f 4)
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windows="$([[ "$OSTYPE" == "cygwin" || "$OSTYPE" == "msys" ]] && echo "true" || echo "false")"
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decompiledir="$workdir/Minecraft/$minecraftversion"
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spigotdecompiledir="$decompiledir/spigot"
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forgedecompiledir="$decompiledir/forge"
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forgeflowerversion="1.5.380.19"
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forgeflowerurl="http://files.minecraftforge.net/maven/net/minecraftforge/forgeflower/$forgeflowerversion/forgeflower-$forgeflowerversion.jar"
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# temp use patched version
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forgeflowerurl="https://zachbr.keybase.pub/paper/forgeflower-patched/forgeflower-1.5.380.19.jar?dl=1"
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forgeflowerbin="$workdir/ForgeFlower/$forgeflowerversion.jar"
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# TODO: Make this better? We don't need spigot compat for this stage
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forgefloweroptions="-dgs=1 -hdc=0 -asc=1 -udv=1 -jvn=1"
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forgeflowercachefile="$decompiledir/forgeflowercache"
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forgeflowercachevalue="$forgeflowerurl - $forgeflowerversion - $forgefloweroptions";
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classdir="$decompiledir/classes"
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versionjson="$workdir/Minecraft/$minecraftversion/$minecraftversion.json"
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if [ ! -f "$versionjson" ]; then
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echo "Downloading $minecraftversion JSON Data"
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verescaped=$(echo ${minecraftversion} | sed 's/\./\\./g')
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verentry=$(curl -s "https://launchermeta.mojang.com/mc/game/version_manifest.json" | grep -oE "{\"id\": \"${verescaped}\".*?${verescaped}\.json")
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jsonurl=$(echo $verentry | grep -oE https:\/\/.*?\.json)
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curl -o "$versionjson" "$jsonurl"
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echo "$versionjson - $jsonurl"
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fi
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function downloadLibraries {
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group=$1
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groupesc=$(echo ${group} | sed 's/\./\\./g')
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grouppath=$(echo ${group} | sed 's/\./\//g')
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libdir="$decompiledir/libraries/${group}/"
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mkdir -p "$libdir"
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shift
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for lib in "$@"
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do
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jar="$libdir/${lib}-sources.jar"
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destlib="$libdir/${lib}"
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if [ ! -f "$jar" ]; then
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libesc=$(echo ${lib} | sed 's/\./\\]./g')
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ver=$(grep -oE "${groupesc}:${libesc}:[0-9\.]+" "$versionjson" | sed "s/${groupesc}:${libesc}://g")
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echo "Downloading ${group}:${lib}:${ver} Sources"
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curl -s -o "$jar" "https://libraries.minecraft.net/${grouppath}/${lib}/${ver}/${lib}-${ver}-sources.jar"
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set +e
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grep "<html>" "$jar" && grep -oE "<title>.*?</title>" "$jar" && rm "$jar" && echo "Failed to download $jar" && exit 1
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set -e
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fi
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if [ ! -d "$destlib/$grouppath" ]; then
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echo "Extracting $group:$lib Sources"
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mkdir -p "$destlib"
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(cd "$destlib" && jar xf "$jar")
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fi
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done
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}
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downloadLibraries "com.mojang" datafixerupper authlib brigadier
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# prep folders
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mkdir -p "$workdir/ForgeFlower"
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mkdir -p "$spigotdecompiledir"
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mkdir -p "$forgedecompiledir"
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echo "Extracting NMS classes..."
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if [ ! -d "$classdir" ]; then
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mkdir -p "$classdir"
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cd "$classdir"
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set +e
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jar xf "$decompiledir/$minecraftversion-mapped.jar" net/minecraft/server
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if [ "$?" != "0" ]; then
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cd "$basedir"
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echo "Failed to extract NMS classes."
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exit 1
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fi
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set -e
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fi
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needsDecomp=0
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if [ ! -f "$forgeflowercachefile" ]; then
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needsDecomp=1
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elif [ "$(cat ${forgeflowercachefile})" != "$forgeflowercachevalue" ]; then
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needsDecomp=1
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fi
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if [ "$needsDecomp" == "1" ]; then
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# our local cache is now invalidated, we can update forgeflower to get better deobfuscation
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rm -rf "$forgedecompiledir/net"
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fi
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# Forge (for Paper mc-dev imports, and dev src folders for unimported files)
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if [ ! -d "$forgedecompiledir/net" ] ; then
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echo "Decompiling classes (stage 1)..."
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cd "$basedir"
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if [ ! -f "$forgeflowerbin" ]; then
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echo "Downloading ForgeFlower ($forgeflowerversion)..."
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curl -s -o "$forgeflowerbin" "$forgeflowerurl"
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fi
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set +e
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java -Ddecomp.renameparams=true -jar "$forgeflowerbin" ${forgefloweroptions} -ind=' ' "$classdir" "$forgedecompiledir"
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if [ "$?" != "0" ]; then
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rm -rf "$forgedecompiledir/net"
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echo "Failed to decompile classes."
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exit 1
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fi
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echo "$forgeflowercachevalue" > "$forgeflowercachefile"
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set -e
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fi
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# Spigot (for CraftBukkit patches)
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# if we see the old net folder, copy it to spigot to avoid redecompiling
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if [ -d "$decompiledir/net" ]; then
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cp -r "$decompiledir/net" "$spigotdecompiledir/"
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fi
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if [ ! -d "$spigotdecompiledir/net" ]; then
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echo "Decompiling classes (stage 2)..."
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cd "$basedir"
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set +e
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java -jar "$workdir/BuildData/bin/fernflower.jar" -dgs=1 -hdc=0 -asc=1 -udv=0 "$classdir" "$spigotdecompiledir"
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if [ "$?" != "0" ]; then
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rm -rf "$spigotdecompiledir/net"
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echo "Failed to decompile classes."
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exit 1
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fi
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set -e
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fi
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# set a symlink to current
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currentlink="$workdir/Minecraft/current"
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if ([ ! -e "$currentlink" ] || [ -L "$currentlink" ]) && [ "$windows" == "false" ]; then
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set +e
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echo "Pointing $currentlink to $minecraftversion"
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rm -rf "$currentlink" || true
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ln -sfn "$minecraftversion" "$currentlink" || echo "Failed to set current symlink"
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fi
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)
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