papermc/scripts/decompile.sh
Shane Freeder 3496f2d7e4
Updated Upstream (Bukkit/CraftBukkit/Spigot)
Developers!: You will need to clean up your work/Minecraft/1.13.2 folder for this

Upstream has released updates that appears to apply and compile correctly.
This update has not been tested by PaperMC and as with ANY update, please do your own testing

Bukkit Changes:
b850a822 SPIGOT-4526: Add conversion time API for Zombie & subclasses

CraftBukkit Changes:
38cf676e SPIGOT-4534: CreatureSpawnEvent not being called for CHUNK_GEN
b446cb5d SPIGOT-4527: Fix sponges with waterlogged blocks
6ec8ea5c SPIGOT-4526: Add conversion time API for Zombie & subclasses
c64fe508 Mappings Update
a3c2ec03 Fix missing ServerListPingEvent call for legacy pings

Spigot Changes:
1dc156ce Rebuild patches
140f654d Mappings Update
2018-12-17 05:19:39 +00:00

145 lines
5 KiB
Bash
Executable file

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