From 0000000000000000000000000000000000000000 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/build.gradle.kts b/build.gradle.kts index c981944f4a5d40ec14ade9aaa22041887a317e1f..2c39461ce531cfa8fc0aa6928e0de819640b0553 100644 --- a/build.gradle.kts +++ b/build.gradle.kts @@ -16,6 +16,7 @@ repositories { dependencies { implementation(project(":Paper-API")) + implementation(project(":Paper-MojangAPI")) // Paper start implementation("org.jline:jline-terminal-jansi:3.12.1") implementation("net.minecrell:terminalconsoleappender:1.2.0") diff --git a/src/main/java/net/minecraft/commands/CommandSourceStack.java b/src/main/java/net/minecraft/commands/CommandSourceStack.java index 880fc9fea286384d002518137972935fdf1d2d72..a59d14e61fcbca7861a5593d0717b81262ccbdc5 100644 --- a/src/main/java/net/minecraft/commands/CommandSourceStack.java +++ b/src/main/java/net/minecraft/commands/CommandSourceStack.java @@ -37,7 +37,7 @@ import net.minecraft.world.phys.Vec2; import net.minecraft.world.phys.Vec3; import com.mojang.brigadier.tree.CommandNode; // CraftBukkit -public class CommandSourceStack implements SharedSuggestionProvider { +public class CommandSourceStack implements SharedSuggestionProvider, com.destroystokyo.paper.brigadier.BukkitBrigadierCommandSource { // Paper public static final SimpleCommandExceptionType ERROR_NOT_PLAYER = new SimpleCommandExceptionType(new TranslatableComponent("permissions.requires.player")); public static final SimpleCommandExceptionType ERROR_NOT_ENTITY = new SimpleCommandExceptionType(new TranslatableComponent("permissions.requires.entity")); @@ -153,6 +153,25 @@ public class CommandSourceStack implements SharedSuggestionProvider { return this.textName; } + // Paper start + @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(); + return world != null && pos != null ? new org.bukkit.Location(world, pos.x, pos.y, pos.z) : null; + } + // Paper end + @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 07c4d909324c8aad3a8c5d27811e2c28fe7a91f3..96a33f63024c1f72ab018e15904505832430002c 100644 --- a/src/main/java/net/minecraft/commands/Commands.java +++ b/src/main/java/net/minecraft/commands/Commands.java @@ -362,6 +362,7 @@ public class Commands { bukkit.add(node.getName()); } // Paper start - Async command map building + new com.destroystokyo.paper.event.brigadier.AsyncPlayerSendCommandsEvent(player.getBukkitEntity(), (RootCommandNode) rootcommandnode, false).callEvent(); // Paper MinecraftServer.getServer().execute(() -> { runSync(player, bukkit, rootcommandnode); }); @@ -369,6 +370,7 @@ public class Commands { private void runSync(ServerPlayer player, Collection bukkit, RootCommandNode rootcommandnode) { // Paper end - Async command map building + new com.destroystokyo.paper.event.brigadier.AsyncPlayerSendCommandsEvent(player.getBukkitEntity(), (RootCommandNode) rootcommandnode, false).callEvent(); // Paper PlayerCommandSendEvent event = new PlayerCommandSendEvent(player.getBukkitEntity(), new LinkedHashSet<>(bukkit)); event.getPlayer().getServer().getPluginManager().callEvent(event); diff --git a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java index f585cd4f4682a9d2a6ebc2367a32995d8660d591..11d9e22c9ef64db62528da73066de8c118565054 100644 --- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java +++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java @@ -759,8 +759,12 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Ser ParseResults 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 [] from showing for plugins with nothing more to offer - this.connection.send(new ClientboundCommandSuggestionsPacket(packet.getId(), suggestions)); + // Paper start + com.destroystokyo.paper.event.brigadier.AsyncPlayerSendSuggestionsEvent suggestEvent = new com.destroystokyo.paper.event.brigadier.AsyncPlayerSendSuggestionsEvent(this.getCraftPlayer(), suggestions, buffer); + suggestEvent.setCancelled(suggestions.isEmpty()); + if (!suggestEvent.callEvent()) return; + this.connection.send(new ClientboundCommandSuggestionsPacket(packet.getId(), (com.mojang.brigadier.suggestion.Suggestions) suggestEvent.getSuggestions())); // CraftBukkit - decompile error // Paper + // Paper end }); }); } @@ -769,7 +773,11 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Ser builder = builder.createOffset(builder.getInput().lastIndexOf(' ') + 1); completions.forEach(builder::suggest); - player.connection.send(new ClientboundCommandSuggestionsPacket(packet.getId(), 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.getCraftPlayer(), suggestions, buffer); + suggestEvent.setCancelled(suggestions.isEmpty()); + if (!suggestEvent.callEvent()) return; + this.connection.send(new ClientboundCommandSuggestionsPacket(packet.getId(), 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 21971d52fa8ed92c946c519ba93a39aceae10f5f..0bba36d18d56a4dc2d6c6fb7969e5e6f0e1da404 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.commands.CommandSourceStack; 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