#!/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 ${minecraftversion} | sed 's/\-pre/ Pre-Release /g' | sed 's/\./\\./g') urlescaped=$(echo ${verescaped} | sed 's/ /_/g') verentry=$(curl -s "https://launchermeta.mojang.com/mc/game/version_manifest.json" | grep -oE "\{\"id\": \"${verescaped}\".*${urlescaped}\.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}-${ver}-sources.jar" set +e grep "" "$jar" && grep -oE ".*?" "$jar" && rm "$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/$minecraftversion-mapped.jar" net/minecraft if [ "$?" != "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 "$workdir/BuildData/bin/fernflower.jar" -dgs=1 -hdc=0 -asc=1 -udv=0 -rsy=1 -aoa=1 "$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 )