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This simply provides the base API to create the objects. Further commits will come that adds adds usage of this API to existing GameProfile based API's, as well as new API's.
144 lines
8.1 KiB
Diff
144 lines
8.1 KiB
Diff
From 7677f1aafd2e836a61ba6a560c8fcbd7cc75dc3e Mon Sep 17 00:00:00 2001
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From: Aikar <aikar@aikar.co>
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Date: Sun, 26 Nov 2017 13:19:58 -0500
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Subject: [PATCH] AsyncTabCompleteEvent
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Let plugins be able to control tab completion of commands and chat async.
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This will be useful for frameworks like ACF so we can define async safe completion handlers,
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and avoid going to main for tab completions.
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Especially useful if you need to query a database in order to obtain the results for tab
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completion, such as offline players.
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Also adds isCommand and getLocation to the sync TabCompleteEvent
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diff --git a/src/main/java/net/minecraft/server/PlayerConnection.java b/src/main/java/net/minecraft/server/PlayerConnection.java
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index d0ab87d0f..ca054afcf 100644
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--- a/src/main/java/net/minecraft/server/PlayerConnection.java
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+++ b/src/main/java/net/minecraft/server/PlayerConnection.java
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@@ -2276,24 +2276,51 @@ public class PlayerConnection implements PacketListenerPlayIn, ITickable {
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// CraftBukkit end
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}
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- public void a(PacketPlayInTabComplete packetplayintabcomplete) {
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- PlayerConnectionUtils.ensureMainThread(packetplayintabcomplete, this, this.player.x());
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+ // Paper start - async tab completion
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+ public void a(PacketPlayInTabComplete packet) {
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// CraftBukkit start
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if (chatSpamField.addAndGet(this, 10) > 500 && !this.minecraftServer.getPlayerList().isOp(this.player.getProfile())) {
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- this.disconnect(new ChatMessage("disconnect.spam", new Object[0]));
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+ minecraftServer.postToMainThread(() -> this.disconnect(new ChatMessage("disconnect.spam", new Object[0])));
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return;
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}
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// CraftBukkit end
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- ArrayList arraylist = Lists.newArrayList();
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- Iterator iterator = this.minecraftServer.tabCompleteCommand(this.player, packetplayintabcomplete.a(), packetplayintabcomplete.b(), packetplayintabcomplete.c()).iterator();
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- while (iterator.hasNext()) {
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- String s = (String) iterator.next();
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+ com.destroystokyo.paper.event.server.AsyncTabCompleteEvent event;
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+ java.util.List<String> completions = new ArrayList<>();
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+ BlockPosition blockpos = packet.b();
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+ String buffer = packet.a();
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+ boolean isCommand = buffer.startsWith("/") || packet.c();
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+ event = new com.destroystokyo.paper.event.server.AsyncTabCompleteEvent(this.getPlayer(), completions,
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+ buffer, isCommand, blockpos != null ? MCUtil.toLocation(player.world, blockpos) : null);
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+ event.callEvent();
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+ completions = event.isCancelled() ? com.google.common.collect.ImmutableList.of() : event.getCompletions();
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+ if (event.isCancelled() || event.isHandled()) {
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+ // Still fire sync event with the provided completions, if someone is listening
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+ if (!event.isCancelled() && org.bukkit.event.server.TabCompleteEvent.getHandlerList().getRegisteredListeners().length > 0) {
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+ java.util.List<String> finalCompletions = completions;
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+ Waitable<java.util.List<String>> syncCompletions = new Waitable<java.util.List<String>>() {
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+ @Override
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+ protected java.util.List<String> evaluate() {
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+ org.bukkit.event.server.TabCompleteEvent syncEvent = new org.bukkit.event.server.TabCompleteEvent(PlayerConnection.this.getPlayer(), buffer, finalCompletions, isCommand, blockpos != null ? MCUtil.toLocation(player.world, blockpos) : null);
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+ return syncEvent.callEvent() ? syncEvent.getCompletions() : com.google.common.collect.ImmutableList.of();
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+ }
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+ };
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+ server.getServer().processQueue.add(syncCompletions);
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+ try {
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+ completions = syncCompletions.get();
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+ } catch (InterruptedException | ExecutionException e1) {
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+ e1.printStackTrace();
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+ }
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+ }
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- arraylist.add(s);
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+ this.player.playerConnection.sendPacket(new PacketPlayOutTabComplete(completions.toArray(new String[completions.size()])));
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+ return;
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}
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-
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- this.player.playerConnection.sendPacket(new PacketPlayOutTabComplete((String[]) arraylist.toArray(new String[arraylist.size()])));
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+ minecraftServer.postToMainThread(() -> {
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+ java.util.List<String> syncCompletions = this.minecraftServer.tabCompleteCommand(this.player, buffer, blockpos, isCommand);
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+ this.player.playerConnection.sendPacket(new PacketPlayOutTabComplete(syncCompletions.toArray(new String[syncCompletions.size()])));
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+ });
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+ // Paper end
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}
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public void a(PacketPlayInSettings packetplayinsettings) {
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diff --git a/src/main/java/org/bukkit/craftbukkit/CraftServer.java b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
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index 7d26531d8..a9cedb997 100644
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--- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java
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+++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
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@@ -1643,8 +1643,8 @@ public final class CraftServer implements Server {
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} else {
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offers = tabCompleteChat(player, message);
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}
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-
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- TabCompleteEvent tabEvent = new TabCompleteEvent(player, message, offers);
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+
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+ TabCompleteEvent tabEvent = new TabCompleteEvent(player, message, offers, message.startsWith("/") || forceCommand, pos != null ? MCUtil.toLocation(((CraftWorld) player.getWorld()).getHandle(), pos) : null); // Paper
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getPluginManager().callEvent(tabEvent);
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return tabEvent.isCancelled() ? Collections.EMPTY_LIST : tabEvent.getCompletions();
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diff --git a/src/main/java/org/bukkit/craftbukkit/command/ConsoleCommandCompleter.java b/src/main/java/org/bukkit/craftbukkit/command/ConsoleCommandCompleter.java
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index 1e3aae3b8..95d13c146 100644
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--- a/src/main/java/org/bukkit/craftbukkit/command/ConsoleCommandCompleter.java
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+++ b/src/main/java/org/bukkit/craftbukkit/command/ConsoleCommandCompleter.java
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@@ -28,6 +28,39 @@ public class ConsoleCommandCompleter implements Completer {
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public void complete(LineReader reader, ParsedLine line, List<Candidate> candidates) {
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final CraftServer server = this.server.server;
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final String buffer = line.line();
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+ // Async Tab Complete
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+ com.destroystokyo.paper.event.server.AsyncTabCompleteEvent event;
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+ java.util.List<String> completions = new java.util.ArrayList<>();
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+ event = new com.destroystokyo.paper.event.server.AsyncTabCompleteEvent(server.getConsoleSender(), completions,
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+ buffer, true, null);
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+ event.callEvent();
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+ completions = event.isCancelled() ? com.google.common.collect.ImmutableList.of() : event.getCompletions();
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+
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+ if (event.isCancelled() || event.isHandled()) {
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+ // Still fire sync event with the provided completions, if someone is listening
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+ if (!event.isCancelled() && TabCompleteEvent.getHandlerList().getRegisteredListeners().length > 0) {
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+ List<String> finalCompletions = completions;
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+ Waitable<List<String>> syncCompletions = new Waitable<List<String>>() {
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+ @Override
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+ protected List<String> evaluate() {
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+ org.bukkit.event.server.TabCompleteEvent syncEvent = new org.bukkit.event.server.TabCompleteEvent(server.getConsoleSender(), buffer, finalCompletions);
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+ return syncEvent.callEvent() ? syncEvent.getCompletions() : com.google.common.collect.ImmutableList.of();
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+ }
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+ };
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+ server.getServer().processQueue.add(syncCompletions);
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+ try {
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+ completions = syncCompletions.get();
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+ } catch (InterruptedException | ExecutionException e1) {
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+ e1.printStackTrace();
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+ }
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+ }
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+
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+ if (!completions.isEmpty()) {
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+ candidates.addAll(completions.stream().map(Candidate::new).collect(java.util.stream.Collectors.toList()));
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+ }
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+ return;
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+ }
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+
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// Paper end
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Waitable<List<String>> waitable = new Waitable<List<String>>() {
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@Override
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--
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2.15.1
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