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Player listing API (#8782)
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Corey Shupe
GitHub
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commit
00a68b1efe
2 changed files with 222 additions and 0 deletions
43
patches/api/0428-Add-Listing-API-for-Player.patch
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43
patches/api/0428-Add-Listing-API-for-Player.patch
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@ -0,0 +1,43 @@
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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Corey Shupe <coreyshupe101@gmail.com>
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Date: Wed, 11 Jan 2023 16:40:31 -0500
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Subject: [PATCH] Add Listing API for Player
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diff --git a/src/main/java/org/bukkit/entity/Player.java b/src/main/java/org/bukkit/entity/Player.java
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index e3a6c9fc63b36663d33c6a1513e7dc1522790d85..f9dd00210c1762a40259f823aeb8d8a5ddc78e3e 100644
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--- a/src/main/java/org/bukkit/entity/Player.java
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+++ b/src/main/java/org/bukkit/entity/Player.java
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@@ -1841,6 +1841,32 @@ public interface Player extends HumanEntity, Conversable, OfflinePlayer, PluginM
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@ApiStatus.Experimental
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public boolean canSee(@NotNull Entity entity);
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+ // Paper start
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+ /**
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+ * Returns whether the {@code other} player is listed for {@code this}.
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+ *
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+ * @param other The other {@link Player} to check for listing.
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+ * @return True if the {@code other} player is listed for {@code this}.
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+ */
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+ boolean isListed(@NotNull Player other);
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+
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+ /**
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+ * Unlists the {@code other} player from the tablist.
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+ *
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+ * @param other The other {@link Player} to de-list.
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+ * @return True if the {@code other} player was listed.
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+ */
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+ boolean unlistPlayer(@NotNull Player other);
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+
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+ /**
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+ * Lists the {@code other} player.
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+ *
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+ * @param other The other {@link Player} to list.
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+ * @return True if the {@code other} player was not listed.
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+ */
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+ boolean listPlayer(@NotNull Player other);
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+ // Paper end
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+
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/**
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* Checks to see if this player is currently flying or not.
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*
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179
patches/server/1014-Add-Listing-API-for-Player.patch
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179
patches/server/1014-Add-Listing-API-for-Player.patch
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@ -0,0 +1,179 @@
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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Corey Shupe <coreyshupe101@gmail.com>
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Date: Wed, 11 Jan 2023 16:40:39 -0500
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Subject: [PATCH] Add Listing API for Player
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diff --git a/src/main/java/net/minecraft/network/protocol/game/ClientboundPlayerInfoUpdatePacket.java b/src/main/java/net/minecraft/network/protocol/game/ClientboundPlayerInfoUpdatePacket.java
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index 4aa8b483841028fbcc43f9ed47730881263e5065..0a233051c75dddeb7a5f4de8de39fe1afce75e4a 100644
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--- a/src/main/java/net/minecraft/network/protocol/game/ClientboundPlayerInfoUpdatePacket.java
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+++ b/src/main/java/net/minecraft/network/protocol/game/ClientboundPlayerInfoUpdatePacket.java
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@@ -28,12 +28,46 @@ public class ClientboundPlayerInfoUpdatePacket implements Packet<ClientGamePacke
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this.actions = EnumSet.of(action);
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this.entries = List.of(new ClientboundPlayerInfoUpdatePacket.Entry(player));
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}
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+ // Paper start
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+ public ClientboundPlayerInfoUpdatePacket(EnumSet<ClientboundPlayerInfoUpdatePacket.Action> actions, List<ClientboundPlayerInfoUpdatePacket.Entry> entries) {
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+ this.actions = actions;
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+ this.entries = entries;
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+ }
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+
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+ public ClientboundPlayerInfoUpdatePacket(EnumSet<ClientboundPlayerInfoUpdatePacket.Action> actions, ClientboundPlayerInfoUpdatePacket.Entry entry) {
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+ this.actions = actions;
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+ this.entries = List.of(entry);
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+ }
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+ // Paper end
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public static ClientboundPlayerInfoUpdatePacket createPlayerInitializing(Collection<ServerPlayer> players) {
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EnumSet<ClientboundPlayerInfoUpdatePacket.Action> enumSet = EnumSet.of(ClientboundPlayerInfoUpdatePacket.Action.ADD_PLAYER, ClientboundPlayerInfoUpdatePacket.Action.INITIALIZE_CHAT, ClientboundPlayerInfoUpdatePacket.Action.UPDATE_GAME_MODE, ClientboundPlayerInfoUpdatePacket.Action.UPDATE_LISTED, ClientboundPlayerInfoUpdatePacket.Action.UPDATE_LATENCY, ClientboundPlayerInfoUpdatePacket.Action.UPDATE_DISPLAY_NAME);
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return new ClientboundPlayerInfoUpdatePacket(enumSet, players);
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}
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+ // Paper start
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+ public static ClientboundPlayerInfoUpdatePacket createPlayerInitializing(Collection<ServerPlayer> players, ServerPlayer forPlayer) {
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+ final EnumSet<ClientboundPlayerInfoUpdatePacket.Action> enumSet = EnumSet.of(ClientboundPlayerInfoUpdatePacket.Action.ADD_PLAYER, ClientboundPlayerInfoUpdatePacket.Action.INITIALIZE_CHAT, ClientboundPlayerInfoUpdatePacket.Action.UPDATE_GAME_MODE, ClientboundPlayerInfoUpdatePacket.Action.UPDATE_LISTED, ClientboundPlayerInfoUpdatePacket.Action.UPDATE_LATENCY, ClientboundPlayerInfoUpdatePacket.Action.UPDATE_DISPLAY_NAME);
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+ final List<ClientboundPlayerInfoUpdatePacket.Entry> entries = new java.util.ArrayList<>(players.size());
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+ final org.bukkit.craftbukkit.entity.CraftPlayer bukkitEntity = forPlayer.getBukkitEntity();
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+ for (final ServerPlayer player : players) {
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+ entries.add(new ClientboundPlayerInfoUpdatePacket.Entry(player, bukkitEntity.isListed(player.getBukkitEntity())));
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+ }
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+ return new ClientboundPlayerInfoUpdatePacket(enumSet, entries);
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+ }
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+
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+ public static ClientboundPlayerInfoUpdatePacket createSinglePlayerInitializing(ServerPlayer player, boolean listed) {
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+ final EnumSet<ClientboundPlayerInfoUpdatePacket.Action> enumSet = EnumSet.of(ClientboundPlayerInfoUpdatePacket.Action.ADD_PLAYER, ClientboundPlayerInfoUpdatePacket.Action.INITIALIZE_CHAT, ClientboundPlayerInfoUpdatePacket.Action.UPDATE_GAME_MODE, ClientboundPlayerInfoUpdatePacket.Action.UPDATE_LISTED, ClientboundPlayerInfoUpdatePacket.Action.UPDATE_LATENCY, ClientboundPlayerInfoUpdatePacket.Action.UPDATE_DISPLAY_NAME);
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+ final List<ClientboundPlayerInfoUpdatePacket.Entry> entries = List.of(new Entry(player, listed));
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+ return new ClientboundPlayerInfoUpdatePacket(enumSet, entries);
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+ }
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+
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+ public static ClientboundPlayerInfoUpdatePacket updateListed(UUID playerInfoId, boolean listed) {
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+ EnumSet<ClientboundPlayerInfoUpdatePacket.Action> enumSet = EnumSet.of(ClientboundPlayerInfoUpdatePacket.Action.UPDATE_LISTED);
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+ return new ClientboundPlayerInfoUpdatePacket(enumSet, new ClientboundPlayerInfoUpdatePacket.Entry(playerInfoId, listed));
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+ }
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+ // Paper end
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+
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public ClientboundPlayerInfoUpdatePacket(FriendlyByteBuf buf) {
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this.actions = buf.readEnumSet(ClientboundPlayerInfoUpdatePacket.Action.class);
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this.entries = buf.readList((buf2) -> {
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@@ -142,8 +176,18 @@ public class ClientboundPlayerInfoUpdatePacket implements Packet<ClientGamePacke
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public static record Entry(UUID profileId, GameProfile profile, boolean listed, int latency, GameType gameMode, @Nullable Component displayName, @Nullable RemoteChatSession.Data chatSession) {
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Entry(ServerPlayer player) {
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- this(player.getUUID(), player.getGameProfile(), true, player.latency, player.gameMode.getGameModeForPlayer(), player.getTabListDisplayName(), Optionull.map(player.getChatSession(), RemoteChatSession::asData));
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+ // Paper start - add listed
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+ this(player, true);
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+ }
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+ Entry(ServerPlayer player, boolean listed) {
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+ this(player.getUUID(), player.getGameProfile(), listed, player.latency, player.gameMode.getGameModeForPlayer(), player.getTabListDisplayName(), Optionull.map(player.getChatSession(), RemoteChatSession::asData));
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+ // Paper end - add listed
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+ }
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+ // Paper start
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+ Entry(UUID profileId, boolean listed) {
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+ this(profileId, null, listed, 0, GameType.DEFAULT_MODE, null, null);
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}
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+ // Paper end
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}
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static class EntryBuilder {
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diff --git a/src/main/java/net/minecraft/server/players/PlayerList.java b/src/main/java/net/minecraft/server/players/PlayerList.java
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index 640e9bd618dc8286933318744c2064ede1fd9b5f..f097ec5b4e3ad6b1a7c464a8cff4f8b2568fcf4f 100644
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--- a/src/main/java/net/minecraft/server/players/PlayerList.java
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+++ b/src/main/java/net/minecraft/server/players/PlayerList.java
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@@ -351,14 +351,22 @@ public abstract class PlayerList {
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// CraftBukkit end
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// CraftBukkit start - sendAll above replaced with this loop
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- ClientboundPlayerInfoUpdatePacket packet = ClientboundPlayerInfoUpdatePacket.createPlayerInitializing(List.of(player));
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+ ClientboundPlayerInfoUpdatePacket packet = ClientboundPlayerInfoUpdatePacket.createPlayerInitializing(List.of(player)); // Paper
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final List<ServerPlayer> onlinePlayers = Lists.newArrayListWithExpectedSize(this.players.size() - 1); // Paper - use single player info update packet
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for (int i = 0; i < this.players.size(); ++i) {
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ServerPlayer entityplayer1 = (ServerPlayer) this.players.get(i);
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if (entityplayer1.getBukkitEntity().canSee(bukkitPlayer)) {
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+ // Paper start
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+ if (entityplayer1.getBukkitEntity().isListed(bukkitPlayer)) {
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+ // Paper end
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entityplayer1.connection.send(packet);
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+ // Paper start
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+ } else {
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+ entityplayer1.connection.send(ClientboundPlayerInfoUpdatePacket.createSinglePlayerInitializing(player, false));
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+ }
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+ // Paper end
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}
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if (entityplayer1 == player || !bukkitPlayer.canSee(entityplayer1.getBukkitEntity())) { // Paper - don't include joining player
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@@ -369,7 +377,7 @@ public abstract class PlayerList {
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}
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// Paper start - use single player info update packet
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if (!onlinePlayers.isEmpty()) {
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- player.connection.send(ClientboundPlayerInfoUpdatePacket.createPlayerInitializing(onlinePlayers));
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+ player.connection.send(ClientboundPlayerInfoUpdatePacket.createPlayerInitializing(onlinePlayers, player));
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}
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// Paper end
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player.sentListPacket = true;
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diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
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index c9e4a2635c421df192f62c0903659347bce677f9..472705e92cef5802f377637d8ea5c8001d7a185c 100644
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--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
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+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
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@@ -182,6 +182,7 @@ public class CraftPlayer extends CraftHumanEntity implements Player {
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private final ConversationTracker conversationTracker = new ConversationTracker();
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private final Set<String> channels = new HashSet<String>();
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private final Map<UUID, Set<WeakReference<Plugin>>> invertedVisibilityEntities = new HashMap<>();
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+ private final Set<UUID> unlistedEntities = new HashSet<>(); // Paper
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private static final WeakHashMap<Plugin, WeakReference<Plugin>> pluginWeakReferences = new WeakHashMap<>();
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private int hash = 0;
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private double health = 20;
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@@ -1973,7 +1974,7 @@ public class CraftPlayer extends CraftHumanEntity implements Player {
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otherPlayer.setUUID(uuidOverride);
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}
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// Paper end
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- this.getHandle().connection.send(ClientboundPlayerInfoUpdatePacket.createPlayerInitializing(List.of(otherPlayer)));
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+ this.getHandle().connection.send(ClientboundPlayerInfoUpdatePacket.createPlayerInitializing(List.of(otherPlayer), this.getHandle())); // Paper
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if (original != null) otherPlayer.setUUID(original); // Paper - uuid override
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}
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@@ -2082,6 +2083,43 @@ public class CraftPlayer extends CraftHumanEntity implements Player {
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return (entity != null) ? this.canSee(entity) : false; // If we can't find it, we can't see it
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}
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+ // Paper start
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+ @Override
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+ public boolean isListed(Player other) {
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+ return !this.unlistedEntities.contains(other.getUniqueId());
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+ }
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+
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+ @Override
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+ public boolean unlistPlayer(@NotNull Player other) {
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+ Preconditions.checkNotNull(other, "hidden entity cannot be null");
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+ if (this.getHandle().connection == null) return false;
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+ if (this.equals(other)) return false;
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+ if (!this.canSee(other)) return false;
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+
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+ if (unlistedEntities.add(other.getUniqueId())) {
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+ this.getHandle().connection.send(ClientboundPlayerInfoUpdatePacket.updateListed(other.getUniqueId(), false));
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+ return true;
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+ } else {
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+ return false;
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+ }
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+ }
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+
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+ @Override
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+ public boolean listPlayer(@NotNull Player other) {
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+ Preconditions.checkNotNull(other, "hidden entity cannot be null");
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+ if (this.getHandle().connection == null) return false;
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+ if (this.equals(other)) return false;
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+ if (!this.canSee(other)) throw new IllegalStateException("Player cannot see other player");
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+
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+ if (this.unlistedEntities.remove(other.getUniqueId())) {
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+ this.getHandle().connection.send(ClientboundPlayerInfoUpdatePacket.updateListed(other.getUniqueId(), true));
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+ return true;
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+ } else {
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+ return false;
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+ }
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+ }
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+ // Paper end
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+
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@Override
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public Map<String, Object> serialize() {
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Map<String, Object> result = new LinkedHashMap<String, Object>();
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