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Paper/Spigot-Server-Patches/0462-Implement-Brigadier-Mojang-API.patch
Mariell Hoversholm 654b792caf Updated Upstream (CraftBukkit) 
Upstream has released updates that appears to apply and compile correctly.
This update has not been tested by PaperMC and as with ANY update, please do your own testing

CraftBukkit Changes:
a339310c #755: Fix NPE when calling getInventory() for virtual EnderChests
2577f9bf Increase outdated build delay
1dabfdc8 #754: Fix pre-1.16 serialized SkullMeta being broken on 1.16+, losing textures
2020-09-27 11:04:51 -04:00

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9.0 KiB
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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Sun, 19 Apr 2020 18:15:29 -0400
Subject: [PATCH] Implement Brigadier Mojang API
Adds AsyncPlayerSendCommandsEvent
- Allows modifying on a per command basis what command data they see.
Adds CommandRegisteredEvent
- Allows manipulating the CommandNode to add more children/metadata for the client
diff --git a/src/main/java/net/minecraft/server/CommandDispatcher.java b/src/main/java/net/minecraft/server/CommandDispatcher.java
index 4b1ea9bc39191e01f83577c7bad128cf1ab9612f..22d748008d24fd6ed7cd8c4914e2ceb378f32c95 100644
--- a/src/main/java/net/minecraft/server/CommandDispatcher.java
+++ b/src/main/java/net/minecraft/server/CommandDispatcher.java
@@ -270,6 +270,7 @@ public class CommandDispatcher {
bukkit.add(node.getName());
}
// Paper start - Async command map building
+ new com.destroystokyo.paper.event.brigadier.AsyncPlayerSendCommandsEvent<CommandListenerWrapper>(entityplayer.getBukkitEntity(), (RootCommandNode) rootcommandnode, false).callEvent(); // Paper
MinecraftServer.getServer().execute(() -> {
runSync(entityplayer, bukkit, rootcommandnode);
});
@@ -277,6 +278,7 @@ public class CommandDispatcher {
private void runSync(EntityPlayer entityplayer, Collection<String> bukkit, RootCommandNode<ICompletionProvider> rootcommandnode) {
// Paper end - Async command map building
+ new com.destroystokyo.paper.event.brigadier.AsyncPlayerSendCommandsEvent<CommandListenerWrapper>(entityplayer.getBukkitEntity(), (RootCommandNode) rootcommandnode, false).callEvent(); // Paper
PlayerCommandSendEvent event = new PlayerCommandSendEvent(entityplayer.getBukkitEntity(), new LinkedHashSet<>(bukkit));
event.getPlayer().getServer().getPluginManager().callEvent(event);
diff --git a/src/main/java/net/minecraft/server/CommandListenerWrapper.java b/src/main/java/net/minecraft/server/CommandListenerWrapper.java
index 54a1988341a4a6e80ab40624280b7c92532d5db6..7073d697a5d35b9b72ea05d5608438ac3e54c20d 100644
--- a/src/main/java/net/minecraft/server/CommandListenerWrapper.java
+++ b/src/main/java/net/minecraft/server/CommandListenerWrapper.java
@@ -16,7 +16,7 @@ import java.util.function.BinaryOperator;
import java.util.stream.Stream;
import javax.annotation.Nullable;
-public class CommandListenerWrapper implements ICompletionProvider {
+public class CommandListenerWrapper implements ICompletionProvider, com.destroystokyo.paper.brigadier.BukkitBrigadierCommandSource { // Paper
public static final SimpleCommandExceptionType a = new SimpleCommandExceptionType(new ChatMessage("permissions.requires.player"));
public static final SimpleCommandExceptionType b = new SimpleCommandExceptionType(new ChatMessage("permissions.requires.entity"));
@@ -128,6 +128,25 @@ public class CommandListenerWrapper implements ICompletionProvider {
return this.g;
}
+ // Paper start
+ @Override
+ public org.bukkit.entity.Entity getBukkitEntity() {
+ return getEntity() != null ? getEntity().getBukkitEntity() : null;
+ }
+
+ @Override
+ public org.bukkit.World getBukkitWorld() {
+ return getWorld() != null ? getWorld().getWorld() : null;
+ }
+
+ @Override
+ public org.bukkit.Location getBukkitLocation() {
+ Vec3D pos = getPosition();
+ org.bukkit.World world = getBukkitWorld();
+ return world != null && pos != null ? new org.bukkit.Location(world, pos.x, pos.y, pos.z) : null;
+ }
+ // Paper end
+
@Override
public boolean hasPermission(int i) {
// CraftBukkit start
diff --git a/src/main/java/net/minecraft/server/PlayerConnection.java b/src/main/java/net/minecraft/server/PlayerConnection.java
index 507c844e7aa43b6bdf5d2fff08c271ab025ba926..48d72cd722e1d8207c9eaa2d4d7970af299b8d0d 100644
--- a/src/main/java/net/minecraft/server/PlayerConnection.java
+++ b/src/main/java/net/minecraft/server/PlayerConnection.java
@@ -579,8 +579,12 @@ public class PlayerConnection implements PacketListenerPlayIn {
ParseResults<CommandListenerWrapper> parseresults = this.minecraftServer.getCommandDispatcher().a().parse(stringreader, this.player.getCommandListener());
this.minecraftServer.getCommandDispatcher().a().getCompletionSuggestions(parseresults).thenAccept((suggestions) -> {
- 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));
+ // Paper start
+ com.destroystokyo.paper.event.brigadier.AsyncPlayerSendSuggestionsEvent suggestEvent = new com.destroystokyo.paper.event.brigadier.AsyncPlayerSendSuggestionsEvent(this.getPlayer(), suggestions, buffer);
+ suggestEvent.setCancelled(suggestions.isEmpty());
+ if (!suggestEvent.callEvent()) return;
+ this.networkManager.sendPacket(new PacketPlayOutTabComplete(packetplayintabcomplete.b(), (com.mojang.brigadier.suggestion.Suggestions) suggestEvent.getSuggestions())); // CraftBukkit - decompile error // Paper
+ // Paper end
});
});
}
@@ -589,7 +593,11 @@ public class PlayerConnection implements PacketListenerPlayIn {
builder = builder.createOffset(builder.getInput().lastIndexOf(' ') + 1);
completions.forEach(builder::suggest);
- player.playerConnection.sendPacket(new PacketPlayOutTabComplete(packetplayintabcomplete.b(), builder.buildFuture().join()));
+ com.mojang.brigadier.suggestion.Suggestions suggestions = builder.buildFuture().join();
+ com.destroystokyo.paper.event.brigadier.AsyncPlayerSendSuggestionsEvent suggestEvent = new com.destroystokyo.paper.event.brigadier.AsyncPlayerSendSuggestionsEvent(this.getPlayer(), suggestions, buffer);
+ suggestEvent.setCancelled(suggestions.isEmpty());
+ if (!suggestEvent.callEvent()) return;
+ this.networkManager.sendPacket(new PacketPlayOutTabComplete(packetplayintabcomplete.b(), suggestEvent.getSuggestions()));
}
// Paper end - async tab completion
}
diff --git a/src/main/java/org/bukkit/craftbukkit/command/BukkitCommandWrapper.java b/src/main/java/org/bukkit/craftbukkit/command/BukkitCommandWrapper.java
index 5f33c9e52ac51486d4b22a6dcbfac7f46e0412bb..e16ecdea7d27424053b3f21378af054b2f808eca 100644
--- a/src/main/java/org/bukkit/craftbukkit/command/BukkitCommandWrapper.java
+++ b/src/main/java/org/bukkit/craftbukkit/command/BukkitCommandWrapper.java
@@ -17,7 +17,7 @@ import net.minecraft.server.CommandListenerWrapper;
import org.bukkit.command.Command;
import org.bukkit.craftbukkit.CraftServer;
-public class BukkitCommandWrapper implements com.mojang.brigadier.Command<CommandListenerWrapper>, Predicate<CommandListenerWrapper>, SuggestionProvider<CommandListenerWrapper> {
+public class BukkitCommandWrapper implements com.mojang.brigadier.Command<CommandListenerWrapper>, Predicate<CommandListenerWrapper>, SuggestionProvider<CommandListenerWrapper>, com.destroystokyo.paper.brigadier.BukkitBrigadierCommand<CommandListenerWrapper> { // Paper
private final CraftServer server;
private final Command command;
@@ -28,10 +28,19 @@ public class BukkitCommandWrapper implements com.mojang.brigadier.Command<Comman
}
public LiteralCommandNode<CommandListenerWrapper> register(CommandDispatcher<CommandListenerWrapper> dispatcher, String label) {
- return dispatcher.register(
- LiteralArgumentBuilder.<CommandListenerWrapper>literal(label).requires(this).executes(this)
- .then(RequiredArgumentBuilder.<CommandListenerWrapper, String>argument("args", StringArgumentType.greedyString()).suggests(this).executes(this))
- );
+ // Paper start - Expose Brigadier to Paper-MojangAPI
+ com.mojang.brigadier.tree.RootCommandNode<CommandListenerWrapper> root = dispatcher.getRoot();
+ LiteralCommandNode<CommandListenerWrapper> literal = LiteralArgumentBuilder.<CommandListenerWrapper>literal(label).requires(this).executes(this).build();
+ com.mojang.brigadier.tree.ArgumentCommandNode<CommandListenerWrapper, String> defaultArgs = RequiredArgumentBuilder.<CommandListenerWrapper, String>argument("args", StringArgumentType.greedyString()).suggests(this).executes(this).build();
+ literal.addChild(defaultArgs);
+ com.destroystokyo.paper.event.brigadier.CommandRegisteredEvent<CommandListenerWrapper> event = new com.destroystokyo.paper.event.brigadier.CommandRegisteredEvent<>(label, this, this.command, root, literal, defaultArgs);
+ if (!event.callEvent()) {
+ return null;
+ }
+ literal = event.getLiteral();
+ root.addChild(literal);
+ return literal;
+ // Paper end
}
@Override
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