From 2b3eacadbea7c13465bc855a2dacd7bbeeaaa33b Mon Sep 17 00:00:00 2001 From: Aikar 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 2414b0a552..2d512aa4f9 100644 --- a/src/main/java/net/minecraft/server/CommandDispatcher.java +++ b/src/main/java/net/minecraft/server/CommandDispatcher.java @@ -267,6 +267,7 @@ public class CommandDispatcher { bukkit.add(node.getName()); } // Paper start - Async command map building + new com.destroystokyo.paper.event.brigadier.AsyncPlayerSendCommandsEvent(entityplayer.getBukkitEntity(), (RootCommandNode) rootcommandnode, false).callEvent(); // Paper MinecraftServer.getServer().execute(() -> { runSync(entityplayer, bukkit, rootcommandnode); }); @@ -274,6 +275,7 @@ public class CommandDispatcher { private void runSync(EntityPlayer entityplayer, Collection bukkit, RootCommandNode rootcommandnode) { // Paper end - Async command map building + new com.destroystokyo.paper.event.brigadier.AsyncPlayerSendCommandsEvent(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 0b23a0548d..c988c929f1 100644 --- a/src/main/java/net/minecraft/server/CommandListenerWrapper.java +++ b/src/main/java/net/minecraft/server/CommandListenerWrapper.java @@ -15,7 +15,7 @@ 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", new Object[0])); public static final SimpleCommandExceptionType b = new SimpleCommandExceptionType(new ChatMessage("permissions.requires.entity", new Object[0])); @@ -120,6 +120,25 @@ 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 38ec22f4c0..a180df220e 100644 --- a/src/main/java/net/minecraft/server/PlayerConnection.java +++ b/src/main/java/net/minecraft/server/PlayerConnection.java @@ -576,8 +576,12 @@ public class PlayerConnection implements PacketListenerPlayIn { 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 [] from showing for plugins with nothing more to offer - this.networkManager.sendPacket(new PacketPlayOutTabComplete(packetplayintabcomplete.b(), (Suggestions) suggestions)); // CraftBukkit - decompile error + // 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(), (Suggestions) suggestEvent.getSuggestions())); // CraftBukkit - decompile error // Paper + // Paper end }); }); // Paper - This needs to be on main } @@ -587,7 +591,11 @@ 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())); + 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 5f33c9e52a..e16ecdea7d 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, Predicate, SuggestionProvider { +public class BukkitCommandWrapper implements com.mojang.brigadier.Command, Predicate, SuggestionProvider, com.destroystokyo.paper.brigadier.BukkitBrigadierCommand { // Paper private final CraftServer server; private final Command command; @@ -28,10 +28,19 @@ public class BukkitCommandWrapper implements com.mojang.brigadier.Command register(CommandDispatcher dispatcher, String label) { - return dispatcher.register( - LiteralArgumentBuilder.literal(label).requires(this).executes(this) - .then(RequiredArgumentBuilder.argument("args", StringArgumentType.greedyString()).suggests(this).executes(this)) - ); + // Paper start - Expose Brigadier to Paper-MojangAPI + com.mojang.brigadier.tree.RootCommandNode root = dispatcher.getRoot(); + LiteralCommandNode literal = LiteralArgumentBuilder.literal(label).requires(this).executes(this).build(); + com.mojang.brigadier.tree.ArgumentCommandNode defaultArgs = RequiredArgumentBuilder.argument("args", StringArgumentType.greedyString()).suggests(this).executes(this).build(); + literal.addChild(defaultArgs); + com.destroystokyo.paper.event.brigadier.CommandRegisteredEvent 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 -- 2.26.2