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Cleanup tab completion

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During testing, I could not find any case of TabCompleteEvent firing,
however, upon reinspection of the code, and additional testing, this
appears to work fine without any changes on our part.
This commit is contained in:
Shane Freeder
2018-10-02 06:38:51 +01:00
parent 6371b4581d
commit f1a92f03db
5 changed files with 32 additions and 65 deletions
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69
Spigot-Server-Patches/0219-AsyncTabCompleteEvent.patch
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@@ -1,4 +1,4 @@
From 83c1d973643f20430da29f935cfb205aa377f1e4 Mon Sep 17 00:00:00 2001
From 8a9e74f57f7f774225415163916c8f12b6efcb4d Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Sun, 26 Nov 2017 13:19:58 -0500
Subject: [PATCH] AsyncTabCompleteEvent
@@ -14,18 +14,10 @@ completion, such as offline players.
Also adds isCommand and getLocation to the sync TabCompleteEvent
diff --git a/src/main/java/net/minecraft/server/PlayerConnection.java b/src/main/java/net/minecraft/server/PlayerConnection.java
index 7270638f4a..3e8db87b88 100644
index 62b7f24b5a..d44ac990b4 100644
--- a/src/main/java/net/minecraft/server/PlayerConnection.java
+++ b/src/main/java/net/minecraft/server/PlayerConnection.java
@@ -10,6 +10,7 @@ import io.netty.util.concurrent.Future;
import io.netty.util.concurrent.GenericFutureListener;
import java.util.Collections;
import java.util.Iterator;
+import java.util.List;
import java.util.Set;
import java.util.function.Consumer;
import javax.annotation.Nullable;
@@ -509,10 +510,10 @@ public class PlayerConnection implements PacketListenerPlayIn, ITickable {
@@ -508,10 +508,10 @@ public class PlayerConnection implements PacketListenerPlayIn, ITickable {
}
public void a(PacketPlayInTabComplete packetplayintabcomplete) {
@@ -38,12 +30,11 @@ index 7270638f4a..3e8db87b88 100644
return;
}
// CraftBukkit end
@@ -522,11 +523,57 @@ public class PlayerConnection implements PacketListenerPlayIn, ITickable {
@@ -521,12 +521,34 @@ public class PlayerConnection implements PacketListenerPlayIn, ITickable {
stringreader.skip();
}
- ParseResults parseresults = this.minecraftServer.getCommandDispatcher().a().parse(stringreader, this.player.getCommandListener());
+ // Paper start
+ // Paper start - async tab completion
+ com.destroystokyo.paper.event.server.AsyncTabCompleteEvent event;
+ java.util.List<String> completions = new java.util.ArrayList<>();
+ String buffer = packetplayintabcomplete.c();
@@ -53,53 +44,29 @@ index 7270638f4a..3e8db87b88 100644
+ completions = event.isCancelled() ? com.google.common.collect.ImmutableList.of() : event.getCompletions();
+ // If the event isn't handled, we can assume that we have no completions, and so we'll ask the server
+ if (!event.isHandled()) {
+ if (!event.isCancelled() && org.bukkit.event.server.TabCompleteEvent.getHandlerList().getRegisteredListeners().length > 0) {
+ java.util.List<String> finalCompletions = completions;
+ Waitable<java.util.List<String>> syncCompletions = new Waitable<java.util.List<String>>() {
+ @Override
+ protected java.util.List<String> evaluate() {
+ org.bukkit.event.server.TabCompleteEvent syncEvent = new org.bukkit.event.server.TabCompleteEvent(PlayerConnection.this.getPlayer(), buffer, finalCompletions, true, null);
+ return syncEvent.callEvent() ? syncEvent.getCompletions() : com.google.common.collect.ImmutableList.of();
+ }
+ };
+ server.getServer().processQueue.add(syncCompletions);
+ try {
+ completions = syncCompletions.get();
+ } catch (InterruptedException | ExecutionException e1) {
+ e1.printStackTrace();
+ }
+ if (!event.isCancelled()) {
+ // Paper end - async tab completion
ParseResults parseresults = this.minecraftServer.getCommandDispatcher().a().parse(stringreader, this.player.getCommandListener());
this.minecraftServer.getCommandDispatcher().a().getCompletionSuggestions(parseresults).thenAccept((suggestions) -> {
if (((Suggestions) suggestions).isEmpty()) return; // CraftBukkit - don't send through empty suggestions - prevents [<args>] from showing for plugins with nothing more to offer
- this.networkManager.sendPacket(new PacketPlayOutTabComplete(packetplayintabcomplete.b(), (Suggestions) suggestions)); // CraftBukkit - decompile error
- });
+ this.networkManager.sendPacket(new PacketPlayOutTabComplete(packetplayintabcomplete.b(), (Suggestions) suggestions)); // CraftBukkit - decompile error
+ });
+ }
+ java.util.List<String> otherSuggestions = completions;
+ minecraftServer.postToMainThread(() -> sendSuggestions(packetplayintabcomplete, stringreader, otherSuggestions));
+ return;
+ // Paper start - async tab completion
+ } else if (!completions.isEmpty()) {
+ com.mojang.brigadier.suggestion.SuggestionsBuilder suggestionsBuilder = new com.mojang.brigadier.suggestion.SuggestionsBuilder(packetplayintabcomplete.c(), stringreader.getTotalLength());
+ completions.forEach(suggestionsBuilder::suggest);
+
+ player.playerConnection.sendPacket(new PacketPlayOutTabComplete(packetplayintabcomplete.b(), suggestionsBuilder.build()));
+ }
- this.minecraftServer.getCommandDispatcher().a().getCompletionSuggestions(parseresults).thenAccept((suggestions) -> {
- if (((Suggestions) suggestions).isEmpty()) return; // CraftBukkit - don't send through empty suggestions - prevents [<args>] from showing for plugins with nothing more to offer
- this.networkManager.sendPacket(new PacketPlayOutTabComplete(packetplayintabcomplete.b(), (Suggestions) suggestions)); // CraftBukkit - decompile error
+ }
+ public void sendSuggestions(PacketPlayInTabComplete packetplayintabcomplete, StringReader reader, List<String> otherSuggestions) {
+ // Paper end - async tab completion
+
+ ParseResults parseresults = this.minecraftServer.getCommandDispatcher().a().parse(reader, this.player.getCommandListener());
+ //noinspection unchecked
+ java.util.concurrent.CompletableFuture<Suggestions> completionSuggestions = this.minecraftServer.getCommandDispatcher().a().getCompletionSuggestions(parseresults);
+ completionSuggestions.thenAccept((Suggestions suggestions) -> {
+ if (otherSuggestions != null && !otherSuggestions.isEmpty()) {
+ com.mojang.brigadier.suggestion.SuggestionsBuilder builder = new com.mojang.brigadier.suggestion.SuggestionsBuilder(packetplayintabcomplete.c(), reader.getTotalLength());
+ otherSuggestions.forEach(builder::suggest);
+ suggestions.getList().addAll(builder.build().getList());
+ }
+ // Paper end
+ if (suggestions.isEmpty()) return; // CraftBukkit - don't send through empty suggestions - prevents [<args>] from showing for plugins with nothing more to offer
+ this.networkManager.sendPacket(new PacketPlayOutTabComplete(packetplayintabcomplete.b(), suggestions)); // CraftBukkit - decompile error
});
}
public void a(PacketPlayInSetCommandBlock packetplayinsetcommandblock) {
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftServer.java b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
index 74e466d1f6..0e582e4e5c 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java