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https://github.com/PaperMC/Paper.git
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1aee096320
The player sample uses game profile internally, but discards everything but the name and uuid and does not follow player profile restrictions, so it doesn't make sense to use that in the event.
222 lines
9.8 KiB
Diff
222 lines
9.8 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Minecrell <minecrell@minecrell.net>
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Date: Wed, 11 Oct 2017 15:56:26 +0200
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Subject: [PATCH] Implement extended PaperServerListPingEvent
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diff --git a/src/main/java/com/destroystokyo/paper/network/PaperServerListPingEventImpl.java b/src/main/java/com/destroystokyo/paper/network/PaperServerListPingEventImpl.java
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new file mode 100644
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index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
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--- /dev/null
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+++ b/src/main/java/com/destroystokyo/paper/network/PaperServerListPingEventImpl.java
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@@ -0,0 +0,0 @@
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+package com.destroystokyo.paper.network;
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+
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+import com.destroystokyo.paper.event.server.PaperServerListPingEvent;
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+import net.minecraft.server.MinecraftServer;
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+import net.minecraft.server.level.ServerPlayer;
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+import org.bukkit.entity.Player;
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+import org.bukkit.util.CachedServerIcon;
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+
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+import javax.annotation.Nullable;
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+
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+class PaperServerListPingEventImpl extends PaperServerListPingEvent {
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+
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+ private final MinecraftServer server;
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+
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+ PaperServerListPingEventImpl(MinecraftServer server, StatusClient client, int protocolVersion, @Nullable CachedServerIcon icon) {
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+ super(client, server.motd(), server.getPlayerCount(), server.getMaxPlayers(),
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+ server.getServerModName() + ' ' + server.getServerVersion(), protocolVersion, icon);
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+ this.server = server;
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+ }
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+
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+ @Override
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+ protected final Object[] getOnlinePlayers() {
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+ return this.server.getPlayerList().players.toArray();
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+ }
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+
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+ @Override
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+ protected final Player getBukkitPlayer(Object player) {
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+ return ((ServerPlayer) player).getBukkitEntity();
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+ }
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+
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+}
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diff --git a/src/main/java/com/destroystokyo/paper/network/PaperStatusClient.java b/src/main/java/com/destroystokyo/paper/network/PaperStatusClient.java
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new file mode 100644
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index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
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--- /dev/null
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+++ b/src/main/java/com/destroystokyo/paper/network/PaperStatusClient.java
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@@ -0,0 +0,0 @@
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+package com.destroystokyo.paper.network;
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+
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+import net.minecraft.network.Connection;
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+
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+class PaperStatusClient extends PaperNetworkClient implements StatusClient {
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+
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+ PaperStatusClient(Connection networkManager) {
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+ super(networkManager);
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+ }
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+
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+}
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diff --git a/src/main/java/com/destroystokyo/paper/network/StandardPaperServerListPingEventImpl.java b/src/main/java/com/destroystokyo/paper/network/StandardPaperServerListPingEventImpl.java
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new file mode 100644
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index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
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--- /dev/null
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+++ b/src/main/java/com/destroystokyo/paper/network/StandardPaperServerListPingEventImpl.java
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@@ -0,0 +0,0 @@
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+package com.destroystokyo.paper.network;
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+
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+import com.mojang.authlib.GameProfile;
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+import io.papermc.paper.adventure.AdventureComponent;
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+import java.util.ArrayList;
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+import java.util.Collections;
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+import java.util.List;
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+import java.util.Optional;
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+import javax.annotation.Nonnull;
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+import net.minecraft.network.Connection;
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+import net.minecraft.network.chat.Component;
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+import net.minecraft.network.protocol.status.ClientboundStatusResponsePacket;
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+import net.minecraft.network.protocol.status.ServerStatus;
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+import net.minecraft.server.MinecraftServer;
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+import org.bukkit.craftbukkit.util.CraftIconCache;
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+
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+public final class StandardPaperServerListPingEventImpl extends PaperServerListPingEventImpl {
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+
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+ private List<GameProfile> originalSample;
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+
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+ private StandardPaperServerListPingEventImpl(MinecraftServer server, Connection networkManager, ServerStatus ping) {
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+ super(server, new PaperStatusClient(networkManager), ping.version().map(ServerStatus.Version::protocol).orElse(-1), server.server.getServerIcon());
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+ this.originalSample = ping.players().map(ServerStatus.Players::sample).orElse(null); // GH-1473 - pre-tick race condition NPE
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+ }
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+
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+ @Nonnull
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+ @Override
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+ public List<ListedPlayerInfo> getListedPlayers() {
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+ List<ListedPlayerInfo> sample = super.getListedPlayers();
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+
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+ if (this.originalSample != null) {
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+ for (GameProfile profile : this.originalSample) {
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+ sample.add(new ListedPlayerInfo(profile.getName(), profile.getId()));
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+ }
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+ this.originalSample = null;
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+ }
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+
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+ return sample;
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+ }
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+
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+ private List<GameProfile> getPlayerSampleHandle() {
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+ if (this.originalSample != null) {
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+ return this.originalSample;
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+ }
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+
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+ List<ListedPlayerInfo> entries = super.getListedPlayers();
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+ if (entries.isEmpty()) {
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+ return Collections.emptyList();
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+ }
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+
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+ final List<GameProfile> profiles = new ArrayList<>();
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+ for (ListedPlayerInfo playerInfo : entries) {
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+ profiles.add(new GameProfile(playerInfo.id(), playerInfo.name()));
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+ }
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+ return profiles;
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+ }
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+
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+ public static void processRequest(MinecraftServer server, Connection networkManager) {
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+ StandardPaperServerListPingEventImpl event = new StandardPaperServerListPingEventImpl(server, networkManager, server.getStatus());
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+ server.server.getPluginManager().callEvent(event);
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+
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+ // Close connection immediately if event is cancelled
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+ if (event.isCancelled()) {
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+ networkManager.disconnect((Component) null);
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+ return;
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+ }
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+
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+ // Setup response
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+
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+ // Description
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+ final Component description = new AdventureComponent(event.motd());
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+
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+ // Players
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+ final Optional<ServerStatus.Players> players;
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+ if (!event.shouldHidePlayers()) {
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+ players = Optional.of(new ServerStatus.Players(event.getMaxPlayers(), event.getNumPlayers(), event.getPlayerSampleHandle()));
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+ } else {
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+ players = Optional.empty();
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+ }
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+
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+ // Version
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+ final ServerStatus.Version version = new ServerStatus.Version(event.getVersion(), event.getProtocolVersion());
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+
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+ // Favicon
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+ final Optional<ServerStatus.Favicon> favicon;
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+ if (event.getServerIcon() != null) {
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+ favicon = Optional.of(new ServerStatus.Favicon(((CraftIconCache) event.getServerIcon()).value));
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+ } else {
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+ favicon = Optional.empty();
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+ }
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+ final ServerStatus ping = new ServerStatus(description, players, Optional.of(version), favicon, server.enforceSecureProfile());
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+
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+ // Send response
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+ networkManager.send(new ClientboundStatusResponsePacket(ping));
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+ }
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+
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+}
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diff --git a/src/main/java/net/minecraft/server/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
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index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
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--- a/src/main/java/net/minecraft/server/MinecraftServer.java
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+++ b/src/main/java/net/minecraft/server/MinecraftServer.java
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@@ -0,0 +0,0 @@ package net.minecraft.server;
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import com.google.common.base.Preconditions;
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import com.google.common.base.Splitter;
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import com.google.common.collect.ImmutableList;
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+import co.aikar.timings.Timings;
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+import com.destroystokyo.paper.event.server.PaperServerListPingEvent;
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+import com.google.common.base.Stopwatch;
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import com.google.common.collect.Lists;
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import com.google.common.collect.Maps;
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import com.google.common.collect.Sets;
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@@ -0,0 +0,0 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
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if (this.hidesOnlinePlayers()) {
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return new ServerStatus.Players(i, list.size(), List.of());
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} else {
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- int j = Math.min(list.size(), 12);
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+ int j = Math.min(list.size(), org.spigotmc.SpigotConfig.playerSample); // Paper - PaperServerListPingEvent
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ObjectArrayList<GameProfile> objectarraylist = new ObjectArrayList(j);
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int k = Mth.nextInt(this.random, 0, list.size() - j);
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diff --git a/src/main/java/net/minecraft/server/network/ServerStatusPacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerStatusPacketListenerImpl.java
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index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
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--- a/src/main/java/net/minecraft/server/network/ServerStatusPacketListenerImpl.java
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+++ b/src/main/java/net/minecraft/server/network/ServerStatusPacketListenerImpl.java
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@@ -0,0 +0,0 @@ public class ServerStatusPacketListenerImpl implements ServerStatusPacketListene
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this.connection.disconnect(ServerStatusPacketListenerImpl.DISCONNECT_REASON);
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} else {
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this.hasRequestedStatus = true;
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+ // Paper start - Replace everything
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+ /*
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// CraftBukkit start
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// this.connection.send(new PacketStatusOutServerInfo(this.status));
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MinecraftServer server = MinecraftServer.getServer();
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@@ -0,0 +0,0 @@ public class ServerStatusPacketListenerImpl implements ServerStatusPacketListene
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this.connection.send(new ClientboundStatusResponsePacket(ping));
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// CraftBukkit end
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+ */
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+ com.destroystokyo.paper.network.StandardPaperServerListPingEventImpl.processRequest(MinecraftServer.getServer(), this.connection);
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+ // Paper end
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}
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}
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diff --git a/src/main/java/org/spigotmc/SpigotConfig.java b/src/main/java/org/spigotmc/SpigotConfig.java
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index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
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--- a/src/main/java/org/spigotmc/SpigotConfig.java
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+++ b/src/main/java/org/spigotmc/SpigotConfig.java
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@@ -0,0 +0,0 @@ public class SpigotConfig
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public static int playerSample;
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private static void playerSample()
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{
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- SpigotConfig.playerSample = SpigotConfig.getInt( "settings.sample-count", 12 );
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+ SpigotConfig.playerSample = Math.max( SpigotConfig.getInt( "settings.sample-count", 12 ), 0 ); // Paper - Avoid negative counts
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Bukkit.getLogger().log( Level.INFO, "Server Ping Player Sample Count: {0}", playerSample ); // Paper - Use logger
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}
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