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papermc/scripts/decompile.sh

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Cleanup and restructure the project
2016-04-02 03:55:54 +00:00
#!/usr/bin/env bash
Add submodules and build scripts These will be made default in 1.9, dropping PaperTools support
2015-12-30 04:40:32 +00:00
Use `set -e` to handle errors better in the build scripts
2016-04-03 07:23:19 +00:00
(
set -e
Add submodules and build scripts These will be made default in 1.9, dropping PaperTools support
2015-12-30 04:40:32 +00:00
PS1="$"
Workaround for OSX not having the realpath command.
2016-04-03 08:35:51 +00:00
basedir="$(cd "$1" && pwd -P)"
Cleanup and restructure the project
2016-04-02 03:55:54 +00:00
workdir="$basedir/work"
minecraftversion=$(cat "$workdir/BuildData/info.json" | grep minecraftVersion | cut -d '"' -f 4)
Create a symlink on not-windows to current minecraft decompile dir This is useful for project developers switching back and forth between 1.12.2 and 1.13 so we can have our IDE automatically use the current version we are working on for included mc-dev files.
2018-07-21 12:09:40 +00:00
windows="$([[ "$OSTYPE" == "cygwin" || "$OSTYPE" == "msys" ]] && echo "true" || echo "false")"
Move mc decompile source to its own folder Makes caching easier, ever so slightly more organized.
2017-08-12 23:56:59 +00:00
decompiledir="$workdir/Minecraft/$minecraftversion"
Switch to using ForgeFlower for Paper Only mc-dev imports ForgeFlower is better than Spigots FernFlower at decompiling the source. However, in order to maintain the CraftBukkit patches, we must keep using spigots for the primary. However, for any file that we import on top of Spigots imported files there is nothing stopping us from using better decompiled files. So these changes will use ForgeFlower to maintain a better set of decomped files, so anything we add on top of Paper can start off in a better spot.
2018-08-31 22:56:57 +00:00
spigotdecompiledir="$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 - $forgefloweroptions";
Cleanup and restructure the project
2016-04-02 03:55:54 +00:00
classdir="$decompiledir/classes"
[CI-SKIP] Download mojang libraries sources so we can modify them
2018-09-03 23:55:14 +00:00
versionjson="$workdir/Minecraft/$minecraftversion/$minecraftversion.json"
Switch to using ForgeFlower for Paper Only mc-dev imports ForgeFlower is better than Spigots FernFlower at decompiling the source. However, in order to maintain the CraftBukkit patches, we must keep using spigots for the primary. However, for any file that we import on top of Spigots imported files there is nothing stopping us from using better decompiled files. So these changes will use ForgeFlower to maintain a better set of decomped files, so anything we add on top of Paper can start off in a better spot.
2018-08-31 22:56:57 +00:00
[CI-SKIP] Download mojang libraries sources so we can modify them
2018-09-03 23:55:14 +00:00
if [ ! -f "$versionjson" ]; then
echo "Downloading $minecraftversion JSON Data"
verescaped=$(echo ${minecraftversion} | sed 's/\./\\./g')
jsonurl=$(curl -s "https://launchermeta.mojang.com/mc/game/version_manifest.json" | grep -oE "https://.*?${verescaped}.json")
curl -o "$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 "$jar")
fi
done
}
downloadLibraries "com.mojang" datafixerupper authlib brigadier
fix bug in needs redecomp deleting wrong directory
2018-09-01 03:59:03 +00:00
# prep folders
Switch to using ForgeFlower for Paper Only mc-dev imports ForgeFlower is better than Spigots FernFlower at decompiling the source. However, in order to maintain the CraftBukkit patches, we must keep using spigots for the primary. However, for any file that we import on top of Spigots imported files there is nothing stopping us from using better decompiled files. So these changes will use ForgeFlower to maintain a better set of decomped files, so anything we add on top of Paper can start off in a better spot.
2018-08-31 22:56:57 +00:00
mkdir -p "$workdir/ForgeFlower"
fix bug in needs redecomp deleting wrong directory
2018-09-01 03:59:03 +00:00
mkdir -p "$spigotdecompiledir"
mkdir -p "$forgedecompiledir"
Switch to using ForgeFlower for Paper Only mc-dev imports ForgeFlower is better than Spigots FernFlower at decompiling the source. However, in order to maintain the CraftBukkit patches, we must keep using spigots for the primary. However, for any file that we import on top of Spigots imported files there is nothing stopping us from using better decompiled files. So these changes will use ForgeFlower to maintain a better set of decomped files, so anything we add on top of Paper can start off in a better spot.
2018-08-31 22:56:57 +00:00
Add submodules and build scripts These will be made default in 1.9, dropping PaperTools support
2015-12-30 04:40:32 +00:00
echo "Extracting NMS classes..."
if [ ! -d "$classdir" ]; then
mkdir -p "$classdir"
cd "$classdir"
Switch to using ForgeFlower for Paper Only mc-dev imports ForgeFlower is better than Spigots FernFlower at decompiling the source. However, in order to maintain the CraftBukkit patches, we must keep using spigots for the primary. However, for any file that we import on top of Spigots imported files there is nothing stopping us from using better decompiled files. So these changes will use ForgeFlower to maintain a better set of decomped files, so anything we add on top of Paper can start off in a better spot.
2018-08-31 22:56:57 +00:00
set +e
Add submodules and build scripts These will be made default in 1.9, dropping PaperTools support
2015-12-30 04:40:32 +00:00
jar xf "$decompiledir/$minecraftversion-mapped.jar" net/minecraft/server
if [ "$?" != "0" ]; then
cd "$basedir"
echo "Failed to extract NMS classes."
exit 1
fi
Switch to using ForgeFlower for Paper Only mc-dev imports ForgeFlower is better than Spigots FernFlower at decompiling the source. However, in order to maintain the CraftBukkit patches, we must keep using spigots for the primary. However, for any file that we import on top of Spigots imported files there is nothing stopping us from using better decompiled files. So these changes will use ForgeFlower to maintain a better set of decomped files, so anything we add on top of Paper can start off in a better spot.
2018-08-31 22:56:57 +00:00
set -e
fi
needsDecomp=0
if [ ! -f "$forgeflowercachefile" ]; then
needsDecomp=1
elif [ "$(cat ${forgeflowercachefile})" != "$forgeflowercachevalue" ]; then
needsDecomp=1
fi
if [ "$needsDecomp" == "1" ]; then
# our local cache is now invalidated, we can update forgeflower to get better deobfuscation
fix bug in needs redecomp deleting wrong directory
2018-09-01 03:59:03 +00:00
rm -rf "$forgedecompiledir/net"
Switch to using ForgeFlower for Paper Only mc-dev imports ForgeFlower is better than Spigots FernFlower at decompiling the source. However, in order to maintain the CraftBukkit patches, we must keep using spigots for the primary. However, for any file that we import on top of Spigots imported files there is nothing stopping us from using better decompiled files. So these changes will use ForgeFlower to maintain a better set of decomped files, so anything we add on top of Paper can start off in a better spot.
2018-08-31 22:56:57 +00:00
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/"
Add submodules and build scripts These will be made default in 1.9, dropping PaperTools support
2015-12-30 04:40:32 +00:00
fi
Switch to using ForgeFlower for Paper Only mc-dev imports ForgeFlower is better than Spigots FernFlower at decompiling the source. However, in order to maintain the CraftBukkit patches, we must keep using spigots for the primary. However, for any file that we import on top of Spigots imported files there is nothing stopping us from using better decompiled files. So these changes will use ForgeFlower to maintain a better set of decomped files, so anything we add on top of Paper can start off in a better spot.
2018-08-31 22:56:57 +00:00
if [ ! -d "$spigotdecompiledir/net" ]; then
echo "Decompiling classes (stage 2)..."
Add submodules and build scripts These will be made default in 1.9, dropping PaperTools support
2015-12-30 04:40:32 +00:00
cd "$basedir"
Switch to using ForgeFlower for Paper Only mc-dev imports ForgeFlower is better than Spigots FernFlower at decompiling the source. However, in order to maintain the CraftBukkit patches, we must keep using spigots for the primary. However, for any file that we import on top of Spigots imported files there is nothing stopping us from using better decompiled files. So these changes will use ForgeFlower to maintain a better set of decomped files, so anything we add on top of Paper can start off in a better spot.
2018-08-31 22:56:57 +00:00
set +e
java -jar "$workdir/BuildData/bin/fernflower.jar" -dgs=1 -hdc=0 -asc=1 -udv=0 "$classdir" "$spigotdecompiledir"
Add submodules and build scripts These will be made default in 1.9, dropping PaperTools support
2015-12-30 04:40:32 +00:00
if [ "$?" != "0" ]; then
Switch to using ForgeFlower for Paper Only mc-dev imports ForgeFlower is better than Spigots FernFlower at decompiling the source. However, in order to maintain the CraftBukkit patches, we must keep using spigots for the primary. However, for any file that we import on top of Spigots imported files there is nothing stopping us from using better decompiled files. So these changes will use ForgeFlower to maintain a better set of decomped files, so anything we add on top of Paper can start off in a better spot.
2018-08-31 22:56:57 +00:00
rm -rf "$spigotdecompiledir/net"
Add submodules and build scripts These will be made default in 1.9, dropping PaperTools support
2015-12-30 04:40:32 +00:00
echo "Failed to decompile classes."
exit 1
fi
Switch to using ForgeFlower for Paper Only mc-dev imports ForgeFlower is better than Spigots FernFlower at decompiling the source. However, in order to maintain the CraftBukkit patches, we must keep using spigots for the primary. However, for any file that we import on top of Spigots imported files there is nothing stopping us from using better decompiled files. So these changes will use ForgeFlower to maintain a better set of decomped files, so anything we add on top of Paper can start off in a better spot.
2018-08-31 22:56:57 +00:00
set -e
Add submodules and build scripts These will be made default in 1.9, dropping PaperTools support
2015-12-30 04:40:32 +00:00
fi
Create a symlink on not-windows to current minecraft decompile dir This is useful for project developers switching back and forth between 1.12.2 and 1.13 so we can have our IDE automatically use the current version we are working on for included mc-dev files.
2018-07-21 12:09:40 +00:00
# set a symlink to current
currentlink="$workdir/Minecraft/current"
if ([ ! -e "$currentlink" ] || [ -L "$currentlink" ]) && [ "$windows" == "false" ]; then
[CI-SKIP] Ensure symlink process never fails build not sure if this is source of #1365, but doesn't hurt to make this a non fatal error if the symlink command fails.
2018-08-24 01:50:36 +00:00
set +e
Create a symlink on not-windows to current minecraft decompile dir This is useful for project developers switching back and forth between 1.12.2 and 1.13 so we can have our IDE automatically use the current version we are working on for included mc-dev files.
2018-07-21 12:09:40 +00:00
echo "Pointing $currentlink to $minecraftversion"
[CI-SKIP] Ensure symlink process never fails build not sure if this is source of #1365, but doesn't hurt to make this a non fatal error if the symlink command fails.
2018-08-24 01:50:36 +00:00
rm -rf "$currentlink" || true
ln -sfn "$minecraftversion" "$currentlink" || echo "Failed to set current symlink"
Create a symlink on not-windows to current minecraft decompile dir This is useful for project developers switching back and forth between 1.12.2 and 1.13 so we can have our IDE automatically use the current version we are working on for included mc-dev files.
2018-07-21 12:09:40 +00:00
fi
Use `set -e` to handle errors better in the build scripts
2016-04-03 07:23:19 +00:00
)
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