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-rw-r--r--patches/server/0277-Brigadier-Mojang-API.patch206
1 files changed, 206 insertions, 0 deletions
diff --git a/patches/server/0277-Brigadier-Mojang-API.patch b/patches/server/0277-Brigadier-Mojang-API.patch
new file mode 100644
index 0000000000..a9bc0d2666
--- /dev/null
+++ b/patches/server/0277-Brigadier-Mojang-API.patch
@@ -0,0 +1,206 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Aikar <[email protected]>
+Date: Sun, 19 Apr 2020 18:15:29 -0400
+Subject: [PATCH] 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/com/mojang/brigadier/exceptions/CommandSyntaxException.java b/src/main/java/com/mojang/brigadier/exceptions/CommandSyntaxException.java
+index 3370731ee064d2693b972a0765c13dd4fd69f66a..09d486a05179b9d878e1c33725b4e614c3544da9 100644
+--- a/src/main/java/com/mojang/brigadier/exceptions/CommandSyntaxException.java
++++ b/src/main/java/com/mojang/brigadier/exceptions/CommandSyntaxException.java
+@@ -5,7 +5,7 @@ package com.mojang.brigadier.exceptions;
+
+ import com.mojang.brigadier.Message;
+
+-public class CommandSyntaxException extends Exception {
++public class CommandSyntaxException extends Exception implements net.kyori.adventure.util.ComponentMessageThrowable { // Paper - Brigadier API
+ public static final int CONTEXT_AMOUNT = 10;
+ public static boolean ENABLE_COMMAND_STACK_TRACES = true;
+ public static BuiltInExceptionProvider BUILT_IN_EXCEPTIONS = new BuiltInExceptions();
+@@ -73,4 +73,11 @@ public class CommandSyntaxException extends Exception {
+ public int getCursor() {
+ return cursor;
+ }
++
++ // Paper start - Brigadier API
++ @Override
++ public @org.jetbrains.annotations.Nullable net.kyori.adventure.text.Component componentMessage() {
++ return io.papermc.paper.brigadier.PaperBrigadier.componentFromMessage(this.message);
++ }
++ // Paper end - Brigadier API
+ }
+diff --git a/src/main/java/com/mojang/brigadier/tree/CommandNode.java b/src/main/java/com/mojang/brigadier/tree/CommandNode.java
+index da6250df1c5f3385b683cffde47754bca4606f5e..14ccd0c8f721e9be7dca8a5dcb8ef95b5cd82731 100644
+--- a/src/main/java/com/mojang/brigadier/tree/CommandNode.java
++++ b/src/main/java/com/mojang/brigadier/tree/CommandNode.java
+@@ -34,6 +34,7 @@ public abstract class CommandNode<S> implements Comparable<CommandNode<S>> {
+ private final RedirectModifier<S> modifier;
+ private final boolean forks;
+ private Command<S> command;
++ public CommandNode<CommandSourceStack> clientNode; // Paper - Brigadier API
+ // CraftBukkit start
+ public void removeCommand(String name) {
+ this.children.remove(name);
+diff --git a/src/main/java/net/minecraft/commands/CommandSourceStack.java b/src/main/java/net/minecraft/commands/CommandSourceStack.java
+index d9fc3c25bef251df6a53ee47ec224b07240a931c..2a22827f44dd0d524c22264447959a6979e9f0de 100644
+--- a/src/main/java/net/minecraft/commands/CommandSourceStack.java
++++ b/src/main/java/net/minecraft/commands/CommandSourceStack.java
+@@ -45,7 +45,7 @@ import net.minecraft.world.phys.Vec2;
+ import net.minecraft.world.phys.Vec3;
+ import com.mojang.brigadier.tree.CommandNode; // CraftBukkit
+
+-public class CommandSourceStack implements ExecutionCommandSource<CommandSourceStack>, SharedSuggestionProvider {
++public class CommandSourceStack implements ExecutionCommandSource<CommandSourceStack>, SharedSuggestionProvider, com.destroystokyo.paper.brigadier.BukkitBrigadierCommandSource { // Paper - Brigadier API
+
+ public static final SimpleCommandExceptionType ERROR_NOT_PLAYER = new SimpleCommandExceptionType(Component.translatable("permissions.requires.player"));
+ public static final SimpleCommandExceptionType ERROR_NOT_ENTITY = new SimpleCommandExceptionType(Component.translatable("permissions.requires.entity"));
+@@ -170,6 +170,26 @@ public class CommandSourceStack implements ExecutionCommandSource<CommandSourceS
+ return this.textName;
+ }
+
++ // Paper start - Brigadier API
++ @Override
++ public org.bukkit.entity.Entity getBukkitEntity() {
++ return getEntity() != null ? getEntity().getBukkitEntity() : null;
++ }
++
++ @Override
++ public org.bukkit.World getBukkitWorld() {
++ return getLevel() != null ? getLevel().getWorld() : null;
++ }
++
++ @Override
++ public org.bukkit.Location getBukkitLocation() {
++ Vec3 pos = getPosition();
++ org.bukkit.World world = getBukkitWorld();
++ Vec2 rot = getRotation();
++ return world != null && pos != null ? new org.bukkit.Location(world, pos.x, pos.y, pos.z, rot != null ? rot.y : 0, rot != null ? rot.x : 0) : null;
++ }
++ // Paper end - Brigadier API
++
+ @Override
+ public boolean hasPermission(int level) {
+ // CraftBukkit start
+diff --git a/src/main/java/net/minecraft/commands/Commands.java b/src/main/java/net/minecraft/commands/Commands.java
+index a05aea8561ac102476ee1b3068942b095950a86a..e25fc35716aff1d1805884b18f67b0eb33d8c05c 100644
+--- a/src/main/java/net/minecraft/commands/Commands.java
++++ b/src/main/java/net/minecraft/commands/Commands.java
+@@ -486,6 +486,7 @@ public class Commands {
+ bukkit.add(node.getName());
+ }
+ // Paper start - Perf: Async command map building
++ new com.destroystokyo.paper.event.brigadier.AsyncPlayerSendCommandsEvent<CommandSourceStack>(player.getBukkitEntity(), (RootCommandNode) rootcommandnode, false).callEvent(); // Paper - Brigadier API
+ net.minecraft.server.MinecraftServer.getServer().execute(() -> {
+ runSync(player, bukkit, rootcommandnode);
+ });
+@@ -493,6 +494,7 @@ public class Commands {
+
+ private void runSync(ServerPlayer player, Collection<String> bukkit, RootCommandNode<SharedSuggestionProvider> rootcommandnode) {
+ // Paper end - Perf: Async command map building
++ new com.destroystokyo.paper.event.brigadier.AsyncPlayerSendCommandsEvent<CommandSourceStack>(player.getBukkitEntity(), (RootCommandNode) rootcommandnode, true).callEvent(); // Paper - Brigadier API
+ PlayerCommandSendEvent event = new PlayerCommandSendEvent(player.getBukkitEntity(), new LinkedHashSet<>(bukkit));
+ event.getPlayer().getServer().getPluginManager().callEvent(event);
+
+@@ -511,6 +513,11 @@ public class Commands {
+
+ while (iterator.hasNext()) {
+ CommandNode<CommandSourceStack> commandnode2 = (CommandNode) iterator.next();
++ // Paper start - Brigadier API
++ if (commandnode2.clientNode != null) {
++ commandnode2 = commandnode2.clientNode;
++ }
++ // Paper end - Brigadier API
+ if ( !org.spigotmc.SpigotConfig.sendNamespaced && commandnode2.getName().contains( ":" ) ) continue; // Spigot
+
+ if (commandnode2.canUse(source)) {
+diff --git a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
+index abab7c6ce2079a0101c59c130fd65db7b2a73498..29678ddb0cb53fae9ae497614690f9d855f9eb86 100644
+--- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
++++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
+@@ -769,19 +769,34 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
+ builder.suggest(completion.suggestion(), PaperAdventure.asVanilla(completion.tooltip()));
+ }
+ }
+- this.connection.send(new ClientboundCommandSuggestionsPacket(packet.getId(), builder.buildFuture().join()));
++ // Paper start - Brigadier API
++ com.mojang.brigadier.suggestion.Suggestions suggestions = builder.buildFuture().join();
++ com.destroystokyo.paper.event.brigadier.AsyncPlayerSendSuggestionsEvent suggestEvent = new com.destroystokyo.paper.event.brigadier.AsyncPlayerSendSuggestionsEvent(this.getCraftPlayer(), suggestions, packet.getCommand());
++ suggestEvent.setCancelled(suggestions.isEmpty());
++ if (suggestEvent.callEvent()) {
++ this.connection.send(new ClientboundCommandSuggestionsPacket(packet.getId(), limitTo(suggestEvent.getSuggestions(), ServerGamePacketListenerImpl.MAX_COMMAND_SUGGESTIONS)));
++ }
++ // Paper end - Brigadier API
+ }
+ }
++ // Paper start - brig API
++ private static Suggestions limitTo(final Suggestions suggestions, final int size) {
++ return suggestions.getList().size() <= size ? suggestions : new Suggestions(suggestions.getRange(), suggestions.getList().subList(0, size));
++ }
++ // Paper end - brig API
+
+ private void sendServerSuggestions(final ServerboundCommandSuggestionPacket packet, final StringReader stringreader) {
+ // Paper end - AsyncTabCompleteEvent
+ ParseResults<CommandSourceStack> parseresults = this.server.getCommands().getDispatcher().parse(stringreader, this.player.createCommandSourceStack());
+
+ this.server.getCommands().getDispatcher().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
+- Suggestions suggestions1 = suggestions.getList().size() <= 1000 ? suggestions : new Suggestions(suggestions.getRange(), suggestions.getList().subList(0, 1000));
+-
+- this.send(new ClientboundCommandSuggestionsPacket(packet.getId(), suggestions1));
++ // Paper start - Brigadier API
++ com.destroystokyo.paper.event.brigadier.AsyncPlayerSendSuggestionsEvent suggestEvent = new com.destroystokyo.paper.event.brigadier.AsyncPlayerSendSuggestionsEvent(this.getCraftPlayer(), suggestions, packet.getCommand());
++ suggestEvent.setCancelled(suggestions.isEmpty());
++ if (suggestEvent.callEvent()) {
++ this.send(new ClientboundCommandSuggestionsPacket(packet.getId(), limitTo(suggestEvent.getSuggestions(), ServerGamePacketListenerImpl.MAX_COMMAND_SUGGESTIONS)));
++ }
++ // Paper end - Brigadier API
+ });
+ }
+
+diff --git a/src/main/java/org/bukkit/craftbukkit/command/BukkitCommandWrapper.java b/src/main/java/org/bukkit/craftbukkit/command/BukkitCommandWrapper.java
+index 83d81b9371902b0302d13e53b31c15fac4e67966..d113e54a30db16e2ad955170df6030d15de530d6 100644
+--- a/src/main/java/org/bukkit/craftbukkit/command/BukkitCommandWrapper.java
++++ b/src/main/java/org/bukkit/craftbukkit/command/BukkitCommandWrapper.java
+@@ -20,7 +20,7 @@ import org.bukkit.command.CommandException;
+ import org.bukkit.command.CommandSender;
+ import org.bukkit.craftbukkit.CraftServer;
+
+-public class BukkitCommandWrapper implements com.mojang.brigadier.Command<CommandSourceStack>, Predicate<CommandSourceStack>, SuggestionProvider<CommandSourceStack> {
++public class BukkitCommandWrapper implements com.mojang.brigadier.Command<CommandSourceStack>, Predicate<CommandSourceStack>, SuggestionProvider<CommandSourceStack>, com.destroystokyo.paper.brigadier.BukkitBrigadierCommand<CommandSourceStack> { // Paper
+
+ private final CraftServer server;
+ private final Command command;
+@@ -31,10 +31,24 @@ public class BukkitCommandWrapper implements com.mojang.brigadier.Command<Comman
+ }
+
+ public LiteralCommandNode<CommandSourceStack> register(CommandDispatcher<CommandSourceStack> dispatcher, String label) {
+- return dispatcher.register(
+- LiteralArgumentBuilder.<CommandSourceStack>literal(label).requires(this).executes(this)
+- .then(RequiredArgumentBuilder.<CommandSourceStack, String>argument("args", StringArgumentType.greedyString()).suggests(this).executes(this))
+- );
++ // Paper start - Expose Brigadier to Paper-MojangAPI
++ com.mojang.brigadier.tree.RootCommandNode<CommandSourceStack> root = dispatcher.getRoot();
++ LiteralCommandNode<CommandSourceStack> literal = LiteralArgumentBuilder.<CommandSourceStack>literal(label).requires(this).executes(this).build();
++ LiteralCommandNode<CommandSourceStack> defaultNode = literal;
++ com.mojang.brigadier.tree.ArgumentCommandNode<CommandSourceStack, String> defaultArgs = RequiredArgumentBuilder.<CommandSourceStack, String>argument("args", StringArgumentType.greedyString()).suggests(this).executes(this).build();
++ literal.addChild(defaultArgs);
++ com.destroystokyo.paper.event.brigadier.CommandRegisteredEvent<CommandSourceStack> event = new com.destroystokyo.paper.event.brigadier.CommandRegisteredEvent<>(label, this, this.command, root, literal, defaultArgs);
++ if (!event.callEvent()) {
++ return null;
++ }
++ literal = event.getLiteral();
++ if (event.isRawCommand()) {
++ defaultNode.clientNode = literal;
++ literal = defaultNode;
++ }
++ root.addChild(literal);
++ return literal;
++ // Paper end
+ }
+
+ @Override