mirror of
https://github.com/dmulloy2/ProtocolLib.git
synced 2024-09-28 23:27:30 +02:00
Add the "compare" flag to the "packet add" command.
This instructs ProtocolLib to fetch the original state of the packet, before its processed by any packet listeners above LOWEST. Then, it displays this state in the console, along with the final state as retrieved in MONITOR.
This commit is contained in:
Kristian S. Stangeland
parent
1ef602416d
commit
d8e8a88076
@ -42,6 +42,7 @@ import com.comphenix.protocol.error.ErrorReporter;
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import com.comphenix.protocol.error.Report;
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import com.comphenix.protocol.error.ReportType;
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import com.comphenix.protocol.events.ListeningWhitelist;
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import com.comphenix.protocol.events.PacketContainer;
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import com.comphenix.protocol.events.PacketEvent;
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import com.comphenix.protocol.events.PacketListener;
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import com.comphenix.protocol.reflect.EquivalentConverter;
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@ -50,6 +51,7 @@ import com.comphenix.protocol.reflect.PrettyPrinter.ObjectPrinter;
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import com.comphenix.protocol.utility.ChatExtensions;
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import com.comphenix.protocol.utility.MinecraftReflection;
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import com.comphenix.protocol.wrappers.BukkitConverters;
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import com.google.common.collect.MapMaker;
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import com.google.common.collect.Sets;
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/**
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@ -90,9 +92,16 @@ class CommandPacket extends CommandBase {
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private PacketTypeSet packetTypes = new PacketTypeSet();
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private PacketTypeSet extendedTypes = new PacketTypeSet();
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// Compare listeners
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private PacketTypeSet compareTypes = new PacketTypeSet();
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private Map<PacketEvent, String> originalPackets = new MapMaker().weakKeys().makeMap();
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// The packet listener
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private PacketListener listener;
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// Compare listener
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private PacketListener compareListener;
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// Filter packet events
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private CommandFilter filter;
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@ -187,6 +196,7 @@ class CommandPacket extends CommandBase {
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Set<PacketType> types = typeParser.parseTypes(arguments, PacketTypeParser.DEFAULT_MAX_RANGE);
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Boolean detailed = parseBoolean(arguments, "detailed");
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Boolean compare = parseBoolean(arguments, "compare");
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// Notify user
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if (typeParser.getLastProtocol() == null) {
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@ -196,10 +206,16 @@ class CommandPacket extends CommandBase {
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throw new IllegalArgumentException("Cannot parse " + arguments);
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}
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// The last element is optional
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// The last elements are optional
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if (detailed == null) {
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detailed = false;
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}
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if (compare == null) {
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compare = false;
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} else {
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// This is implied - we cannot compare content without going detailed
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detailed = true;
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}
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// Perform commands
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if (subCommand == SubCommand.ADD) {
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@ -209,7 +225,7 @@ class CommandPacket extends CommandBase {
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return false;
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}
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executeAddCommand(sender, types, detailed);
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executeAddCommand(sender, types, detailed, compare);
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} else if (subCommand == SubCommand.REMOVE) {
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executeRemoveCommand(sender, types);
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} else if (subCommand == SubCommand.NAMES) {
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@ -225,13 +241,18 @@ class CommandPacket extends CommandBase {
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return true;
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}
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private void executeAddCommand(CommandSender sender, Set<PacketType> addition, boolean detailed) {
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private void executeAddCommand(CommandSender sender, Set<PacketType> addition, boolean detailed, boolean compare) {
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packetTypes.addAll(addition);
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// Also mark these types as "detailed"
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if (detailed) {
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extendedTypes.addAll(addition);
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}
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// Whether or not to compare the packet with the initial state
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if (compare) {
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compareTypes.addAll(addition);
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}
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updatePacketListener();
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sendMessageSilently(sender, ChatColor.BLUE + "Added listener " + getWhitelistInfo(listener));
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}
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@ -239,6 +260,7 @@ class CommandPacket extends CommandBase {
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private void executeRemoveCommand(CommandSender sender, Set<PacketType> removal) {
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packetTypes.removeAll(removal);
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extendedTypes.removeAll(removal);
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compareTypes.removeAll(removal);
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updatePacketListener();
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sendMessageSilently(sender, ChatColor.BLUE + "Removing packet types.");
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}
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@ -303,6 +325,7 @@ class CommandPacket extends CommandBase {
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final ListeningWhitelist clientList = ListeningWhitelist.newBuilder(serverList).
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types(filterTypes(type, Sender.CLIENT)).
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monitor().
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build();
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return new PacketListener() {
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@ -335,33 +358,16 @@ class CommandPacket extends CommandBase {
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// Detailed will print the packet's content too
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if (extendedTypes.contains(event.getPacketType())) {
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try {
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Object packet = event.getPacket().getHandle();
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Class<?> clazz = packet.getClass();
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String original = originalPackets.remove(event);
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// Get the first Minecraft super class
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while (clazz != null && clazz != Object.class &&
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(!MinecraftReflection.isMinecraftClass(clazz) ||
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Factory.class.isAssignableFrom(clazz))) {
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clazz = clazz.getSuperclass();
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// Also print original
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if (original != null) {
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logger.info("Initial packet:\n" + original + " -> ");
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}
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logger.info(shortDescription + ":\n" +
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PrettyPrinter.printObject(packet, clazz, MinecraftReflection.getPacketClass(), PrettyPrinter.RECURSE_DEPTH, new ObjectPrinter() {
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@Override
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public boolean print(StringBuilder output, Object value) {
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if (value != null) {
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EquivalentConverter<Object> converter = findConverter(value.getClass());
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if (converter != null) {
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output.append(converter.getSpecific(value));
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return true;
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}
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}
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return false;
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}
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})
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logger.info(shortDescription + ":\n" + getPacketDescription(
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event.getPacket())
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);
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} catch (IllegalAccessException e) {
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logger.log(Level.WARNING, "Unable to use reflection.", e);
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}
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@ -370,20 +376,6 @@ class CommandPacket extends CommandBase {
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}
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}
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private EquivalentConverter<Object> findConverter(Class<?> clazz) {
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Map<Class<?>, EquivalentConverter<Object>> converters = BukkitConverters.getConvertersForGeneric();
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while (clazz != null) {
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EquivalentConverter<Object> result = converters.get(clazz);
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if (result != null)
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return result;
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else
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clazz = clazz.getSuperclass();
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}
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return null;
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}
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@Override
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public ListeningWhitelist getSendingWhitelist() {
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return serverList;
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@ -400,15 +392,124 @@ class CommandPacket extends CommandBase {
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}
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};
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}
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public PacketListener createCompareListener(Set<PacketType> type) {
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final ListeningWhitelist serverList = ListeningWhitelist.newBuilder().
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types(filterTypes(type, Sender.SERVER)).
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gamePhaseBoth().
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lowest().
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build();
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final ListeningWhitelist clientList = ListeningWhitelist.newBuilder(serverList).
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types(filterTypes(type, Sender.CLIENT)).
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lowest().
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build();
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return new PacketListener() {
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@Override
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public void onPacketSending(PacketEvent event) {
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savePacketState(event);
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}
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@Override
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public void onPacketReceiving(PacketEvent event) {
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savePacketState(event);
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}
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/**
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* Save the original value.
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* @param event - the event with the packet to save.
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*/
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private void savePacketState(PacketEvent event) {
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try {
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originalPackets.put(event, getPacketDescription(event.getPacket()));
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} catch (IllegalAccessException e) {
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throw new RuntimeException("Cannot read packet.", e);
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}
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}
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@Override
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public ListeningWhitelist getSendingWhitelist() {
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return serverList;
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}
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@Override
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public ListeningWhitelist getReceivingWhitelist() {
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return clientList;
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}
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@Override
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public Plugin getPlugin() {
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return plugin;
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}
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};
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}
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/**
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* Retrieve a detailed string representation of the given packet.
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* @param packetContainer - the packet to describe.
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* @return The detailed description.
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* @throws IllegalAccessException An error occured.
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*/
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public String getPacketDescription(PacketContainer packetContainer) throws IllegalAccessException {
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Object packet = packetContainer.getHandle();
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Class<?> clazz = packet.getClass();
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// Get the first Minecraft super class
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while (clazz != null && clazz != Object.class &&
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(!MinecraftReflection.isMinecraftClass(clazz) ||
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Factory.class.isAssignableFrom(clazz))) {
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clazz = clazz.getSuperclass();
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}
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return PrettyPrinter.printObject(packet, clazz, MinecraftReflection.getPacketClass(), PrettyPrinter.RECURSE_DEPTH, new ObjectPrinter() {
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@Override
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public boolean print(StringBuilder output, Object value) {
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if (value != null) {
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EquivalentConverter<Object> converter = findConverter(value.getClass());
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if (converter != null) {
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output.append(converter.getSpecific(value));
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return true;
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}
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}
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return false;
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}
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});
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}
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/**
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* Retrieve the closest equivalent converter to a specific class.
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* @param clazz - the class.
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* @return The closest converter, or NULL if not found,
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*/
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private EquivalentConverter<Object> findConverter(Class<?> clazz) {
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Map<Class<?>, EquivalentConverter<Object>> converters = BukkitConverters.getConvertersForGeneric();
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while (clazz != null) {
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EquivalentConverter<Object> result = converters.get(clazz);
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if (result != null)
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return result;
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else
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clazz = clazz.getSuperclass();
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}
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return null;
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}
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public PacketListener updatePacketListener() {
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if (listener != null) {
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manager.removePacketListener(listener);
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}
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if (compareListener != null) {
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manager.removePacketListener(compareListener);
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}
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// Register a new listener instead
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// Register the new listeners
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listener = createPacketListener(packetTypes.values());
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compareListener = createCompareListener(compareTypes.values());
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manager.addPacketListener(listener);
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manager.addPacketListener(compareListener);
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return listener;
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}
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