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https://github.com/PaperMC/Paper.git
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"It was from a different time before books were as jank as they are now. As time has gone on they've only proven to be worse and worse."
251 lines
12 KiB
Diff
251 lines
12 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..4ecd0c5bbea55f68549c85aa27e80e2c7e6265d4
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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 +1,31 @@
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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.getMotd(), 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..d926ad804355ee2fdc5910b2505e8671602acdab
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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 +1,11 @@
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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..4c2351b03b58511b80017b58ee9b20ab5193adc9
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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 +1,110 @@
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+package com.destroystokyo.paper.network;
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+
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+import com.destroystokyo.paper.profile.CraftPlayerProfile;
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+import com.destroystokyo.paper.profile.PlayerProfile;
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+import com.google.common.base.MoreObjects;
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+import com.google.common.base.Strings;
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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.List;
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+import java.util.UUID;
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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.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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+
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+public final class StandardPaperServerListPingEventImpl extends PaperServerListPingEventImpl {
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+
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+ private static final GameProfile[] EMPTY_PROFILES = new GameProfile[0];
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+ private static final UUID FAKE_UUID = new UUID(0, 0);
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+
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+ private 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.getVersion() != null ? ping.getVersion().getProtocol() : -1, server.server.getServerIcon());
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+ this.originalSample = ping.getPlayers() == null ? null : ping.getPlayers().getSample(); // 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<PlayerProfile> getPlayerSample() {
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+ List<PlayerProfile> sample = super.getPlayerSample();
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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(CraftPlayerProfile.asBukkitCopy(profile));
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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 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<PlayerProfile> entries = super.getPlayerSample();
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+ if (entries.isEmpty()) {
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+ return EMPTY_PROFILES;
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+ }
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+
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+ GameProfile[] profiles = new GameProfile[entries.size()];
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+ for (int i = 0; i < profiles.length; i++) {
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+ /*
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+ * Avoid null UUIDs/names since that will make the response invalid
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+ * on the client.
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+ * Instead, fall back to a fake/empty UUID and an empty string as name.
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+ * This can be used to create custom lines in the player list that do not
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+ * refer to a specific player.
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+ */
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+
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+ PlayerProfile profile = entries.get(i);
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+ if (profile.getId() != null && profile.getName() != null) {
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+ profiles[i] = CraftPlayerProfile.asAuthlib(profile);
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+ } else {
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+ profiles[i] = new GameProfile(MoreObjects.firstNonNull(profile.getId(), FAKE_UUID), Strings.nullToEmpty(profile.getName()));
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+ }
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+ }
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+
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+ return profiles;
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+ }
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+
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+ @SuppressWarnings("deprecation")
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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(null);
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+ return;
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+ }
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+
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+ // Setup response
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+ ServerStatus ping = new ServerStatus();
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+
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+ // Description
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+ ping.setDescription(new AdventureComponent(event.motd()));
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+
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+ // Players
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+ if (!event.shouldHidePlayers()) {
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+ ping.setPlayers(new ServerStatus.Players(event.getMaxPlayers(), event.getNumPlayers()));
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+ ping.getPlayers().setSample(event.getPlayerSampleHandle());
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+ }
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+
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+ // Version
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+ ping.setVersion(new ServerStatus.Version(event.getVersion(), event.getProtocolVersion()));
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+
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+ // Favicon
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+ if (event.getServerIcon() != null) {
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+ ping.setFavicon(event.getServerIcon().getData());
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+ }
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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/network/protocol/status/ClientboundStatusResponsePacket.java b/src/main/java/net/minecraft/network/protocol/status/ClientboundStatusResponsePacket.java
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index 67455a5ba75c9b816213e44d6872c5ddf8e27e98..23efad80934930beadf15e65781551d4ba7ff81b 100644
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--- a/src/main/java/net/minecraft/network/protocol/status/ClientboundStatusResponsePacket.java
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+++ b/src/main/java/net/minecraft/network/protocol/status/ClientboundStatusResponsePacket.java
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@@ -10,7 +10,9 @@ import net.minecraft.util.GsonHelper;
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import net.minecraft.util.LowerCaseEnumTypeAdapterFactory;
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public class ClientboundStatusResponsePacket implements Packet<ClientStatusPacketListener> {
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- private static final Gson GSON = (new GsonBuilder()).registerTypeAdapter(ServerStatus.Version.class, new ServerStatus.Version.Serializer()).registerTypeAdapter(ServerStatus.Players.class, new ServerStatus.Players.Serializer()).registerTypeAdapter(ServerStatus.class, new ServerStatus.Serializer()).registerTypeHierarchyAdapter(Component.class, new Component.Serializer()).registerTypeHierarchyAdapter(Style.class, new Style.Serializer()).registerTypeAdapterFactory(new LowerCaseEnumTypeAdapterFactory()).create();
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+ private static final Gson GSON = (new GsonBuilder()).registerTypeAdapter(ServerStatus.Version.class, new ServerStatus.Version.Serializer()).registerTypeAdapter(ServerStatus.Players.class, new ServerStatus.Players.Serializer()).registerTypeAdapter(ServerStatus.class, new ServerStatus.Serializer()).registerTypeHierarchyAdapter(Component.class, new Component.Serializer()).registerTypeHierarchyAdapter(Style.class, new Style.Serializer()).registerTypeAdapterFactory(new LowerCaseEnumTypeAdapterFactory())
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+ .registerTypeAdapter(io.papermc.paper.adventure.AdventureComponent.class, new io.papermc.paper.adventure.AdventureComponent.Serializer())
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+ .create();
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private final ServerStatus status;
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public ClientboundStatusResponsePacket(ServerStatus metadata) {
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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 151d08104ed390905becda5f7ba16c8f933cd3d0..80f8e994d4a85f5d240854ec492adba0633263b2 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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@@ -2,6 +2,9 @@ package net.minecraft.server;
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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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@@ -1311,7 +1314,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
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if (i - this.lastServerStatus >= 5000000000L) {
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this.lastServerStatus = i;
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this.status.setPlayers(new ServerStatus.Players(this.getMaxPlayers(), this.getPlayerCount()));
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- GameProfile[] agameprofile = new GameProfile[Math.min(this.getPlayerCount(), 12)];
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+ GameProfile[] agameprofile = new GameProfile[Math.min(this.getPlayerCount(), org.spigotmc.SpigotConfig.playerSample)]; // Paper
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int j = Mth.nextInt(this.random, 0, this.getPlayerCount() - agameprofile.length);
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for (int k = 0; k < agameprofile.length; ++k) {
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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 9baa56d6da9c24706f1dbc8851fd68ca752cab26..d65191a50349ec86fe35df4ac1070f94fbb77b4c 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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@@ -47,6 +47,8 @@ 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.networkManager.sendPacket(new PacketStatusOutServerInfo(this.minecraftServer.getServerPing()));
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final Object[] players = this.server.getPlayerList().players.toArray();
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@@ -142,6 +144,9 @@ public class ServerStatusPacketListenerImpl implements ServerStatusPacketListene
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ping.setVersion(new ServerStatus.Version(this.server.getServerModName() + " " + this.server.getServerVersion(), version));
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this.connection.send(new ClientboundStatusResponsePacket(ping));
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+ */
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+ com.destroystokyo.paper.network.StandardPaperServerListPingEventImpl.processRequest(this.server, this.connection);
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+ // Paper end
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}
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// CraftBukkit end
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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 e7586c325290ceb8669f9f9d430c73080a37dd05..314fa148fe783a0558ba00b068e0bf69a91577e1 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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@@ -289,7 +289,7 @@ 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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