aboutsummaryrefslogtreecommitdiffhomepage
path: root/patches/server/0304-Implement-Brigadier-Mojang-API.patch
blob: df0d54f647c553a288562ab19c065be499297761 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
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/build.gradle.kts b/build.gradle.kts
index 6dbac0f93481256dd57e76630ae9eea9d5c56849..e260462933a9f7065b2360e6bf9e4ee56069a705 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -8,6 +8,7 @@ plugins {
 
 dependencies {
     implementation(project(":paper-api"))
+    implementation(project(":paper-mojangapi"))
     // Paper start
     implementation("org.jline:jline-terminal-jansi:3.21.0")
     implementation("net.minecrell:terminalconsoleappender:1.3.0")
diff --git a/src/main/java/com/mojang/brigadier/tree/CommandNode.java b/src/main/java/com/mojang/brigadier/tree/CommandNode.java
index da6250df1c5f3385b683cffde47754bca4606f5e..3384501f83d445f45aa8233e98c7597daa67b8ef 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 LiteralCommandNode<CommandSourceStack> clientNode = null; // Paper
     // 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 3308d684fc6cd0a83e190a52693b29d30e0087cb..aadddbc16aa719677c3b6fc4969b6145b9b9ee0b 100644
--- a/src/main/java/net/minecraft/commands/CommandSourceStack.java
+++ b/src/main/java/net/minecraft/commands/CommandSourceStack.java
@@ -39,7 +39,7 @@ 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(Component.translatable("permissions.requires.player"));
     public static final SimpleCommandExceptionType ERROR_NOT_ENTITY = new SimpleCommandExceptionType(Component.translatable("permissions.requires.entity"));
@@ -172,6 +172,26 @@ public class CommandSourceStack implements SharedSuggestionProvider {
         return this.entity != null ? this.entity.asChatSender() : ChatSender.SYSTEM;
     }
 
+    // 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();
+        Vec2 rot = getRotation();
+        return world != null && pos != null ? new org.bukkit.Location(world, pos.x, pos.y, pos.z, rot != null ? rot.x : 0, rot != null ? rot.y : 0) : 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 c4315531f93f4ed68b4621157b02572886e1ed30..b141d251eedd31bd115342b878afd68dc51a8518 100644
--- a/src/main/java/net/minecraft/commands/Commands.java
+++ b/src/main/java/net/minecraft/commands/Commands.java
@@ -396,6 +396,7 @@ public class Commands {
             bukkit.add(node.getName());
         }
         // Paper start - Async command map building
+        new com.destroystokyo.paper.event.brigadier.AsyncPlayerSendCommandsEvent<CommandSourceStack>(player.getBukkitEntity(), (RootCommandNode) rootcommandnode, false).callEvent(); // Paper
         net.minecraft.server.MinecraftServer.getServer().execute(() -> {
            runSync(player, bukkit, rootcommandnode);
         });
@@ -403,6 +404,7 @@ public class Commands {
 
     private void runSync(ServerPlayer player, Collection<String> bukkit, RootCommandNode<SharedSuggestionProvider> rootcommandnode) {
         // Paper end - Async command map building
+        new com.destroystokyo.paper.event.brigadier.AsyncPlayerSendCommandsEvent<CommandSourceStack>(player.getBukkitEntity(), (RootCommandNode) rootcommandnode, false).callEvent(); // Paper
         PlayerCommandSendEvent event = new PlayerCommandSendEvent(player.getBukkitEntity(), new LinkedHashSet<>(bukkit));
         event.getPlayer().getServer().getPluginManager().callEvent(event);
 
@@ -421,6 +423,11 @@ public class Commands {
 
         while (iterator.hasNext()) {
             CommandNode<CommandSourceStack> commandnode2 = (CommandNode) iterator.next();
+            // Paper start
+            if (commandnode2.clientNode != null) {
+                commandnode2 = commandnode2.clientNode;
+            }
+            // Paper end
             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 c1270536fc3566454c98419f4bddc0b3b684d63b..1454d5c070bb004d75523d69eaa3d0d382944198 100644
--- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
+++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
@@ -836,8 +836,12 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Tic
                         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
-                            this.connection.send(new ClientboundCommandSuggestionsPacket(packet.getId(), suggestions));
+                            // Paper start - Brigadier API
+                            com.destroystokyo.paper.event.brigadier.AsyncPlayerSendSuggestionsEvent suggestEvent = new com.destroystokyo.paper.event.brigadier.AsyncPlayerSendSuggestionsEvent(this.getCraftPlayer(), suggestions, command);
+                            suggestEvent.setCancelled(suggestions.isEmpty());
+                            if (!suggestEvent.callEvent()) return;
+                            this.connection.send(new ClientboundCommandSuggestionsPacket(packet.getId(), suggestEvent.getSuggestions()));
+                            // Paper end - Brigadier API
                         });
                     });
                 }
@@ -852,7 +856,13 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Tic
                         builder.suggest(completion.suggestion(), PaperAdventure.asVanilla(completion.tooltip()));
                     }
                 });
-                player.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, command);
+                suggestEvent.setCancelled(suggestions.isEmpty());
+                if (!suggestEvent.callEvent()) return;
+                this.connection.send(new ClientboundCommandSuggestionsPacket(packet.getId(), suggestEvent.getSuggestions()));
+                // Paper end - Brigadier API
             }
         });
         // 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 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