twin/paper-mc
1
0
Fork 0
mirror of https://github.com/PaperMC/Paper.git synced 2025-08-03 05:32:18 -07:00
Code Issues Packages Projects Releases Wiki Activity

Brigadier based command API

Browse Source 
== AT ==
public net.minecraft.commands.arguments.blocks.BlockInput tag
public net.minecraft.commands.arguments.DimensionArgument ERROR_INVALID_VALUE
public net.minecraft.server.ReloadableServerResources registryLookup
public net.minecraft.server.ReloadableServerResources

Co-authored-by: Jake Potrebic <jake.m.potrebic@gmail.com>
Co-authored-by: Marc Baloup <marc.baloup@laposte.net>
This commit is contained in:
Owen1212055
2022-08-01 22:50:34 -04:00
parent aabe9f5264
commit 977543c545
37 changed files with 2324 additions and 304 deletions
Download Patch File Download Diff File Expand all files Collapse all files

113
paper-server/patches/sources/net/minecraft/commands/Commands.java.patch
View File

@@ -19,30 +19,45 @@
private final com.mojang.brigadier.CommandDispatcher<CommandSourceStack> dispatcher = new com.mojang.brigadier.CommandDispatcher();
public Commands(Commands.CommandSelection environment, CommandBuildContext commandRegistryAccess) {
+ this(); // CraftBukkit
+ // Paper
AdvancementCommands.register(this.dispatcher);
AttributeCommand.register(this.dispatcher, commandRegistryAccess);
ExecuteCommand.register(this.dispatcher, commandRegistryAccess);
@@ -252,6 +261,18 @@
PublishCommand.register(this.dispatcher);
}
@@ -250,8 +259,33 @@
if (environment.includeIntegrated) {
PublishCommand.register(this.dispatcher);
+ }
+
+ // Paper start - Vanilla command permission fixes
+ for (final CommandNode<CommandSourceStack> node : this.dispatcher.getRoot().getChildren()) {
+ if (node.getRequirement() == com.mojang.brigadier.builder.ArgumentBuilder.<CommandSourceStack>defaultRequirement()) {
+ node.requirement = stack -> stack.source == CommandSource.NULL || stack.getBukkitSender().hasPermission(org.bukkit.craftbukkit.command.VanillaCommandWrapper.getPermission(node));
+ }
+ }
}
+ // Paper end - Vanilla command permission fixes
+ // CraftBukkit start
+ }
+
+ public Commands() {
+ // CraftBukkkit end
+ // Paper start - Brigadier Command API
+ // Create legacy minecraft namespace commands
+ for (final CommandNode<CommandSourceStack> node : new java.util.ArrayList<>(this.dispatcher.getRoot().getChildren())) {
+ // The brigadier dispatcher is not able to resolve nested redirects.
+ // E.g. registering the alias minecraft:tp cannot redirect to tp, as tp itself redirects to teleport.
+ // Instead, target the first none redirecting node.
+ CommandNode<CommandSourceStack> flattenedAliasTarget = node;
+ while (flattenedAliasTarget.getRedirect() != null) flattenedAliasTarget = flattenedAliasTarget.getRedirect();
+ this.dispatcher.register(
+ com.mojang.brigadier.builder.LiteralArgumentBuilder.<CommandSourceStack>literal("minecraft:" + node.getName())
+ .executes(flattenedAliasTarget.getCommand())
+ .requires(flattenedAliasTarget.getRequirement())
+ .redirect(flattenedAliasTarget)
+ );
+ }
+ // Paper end - Brigadier Command API
+ // Paper - remove public constructor, no longer needed
this.dispatcher.setConsumer(ExecutionCommandSource.resultConsumer());
}
@@ -262,30 +283,69 @@
@@ -262,30 +296,75 @@
return new ParseResults(commandcontextbuilder1, parseResults.getReader(), parseResults.getExceptions());
}
@@ -75,14 +90,14 @@
+
+ String newCommand = joiner.join(args);
+ this.performPrefixedCommand(sender, newCommand, newCommand);
}
+ }
+ // CraftBukkit end
+
+ public void performPrefixedCommand(CommandSourceStack source, String command) {
+ // CraftBukkit start
+ this.performPrefixedCommand(source, command, command);
+ }
+
}
+ public void performPrefixedCommand(CommandSourceStack commandlistenerwrapper, String s, String label) {
+ s = s.startsWith("/") ? s.substring(1) : s;
+ this.performCommand(this.dispatcher.parse(s, commandlistenerwrapper), s, label);
@@ -95,6 +110,11 @@
+ }
+ public void performCommand(ParseResults<CommandSourceStack> parseresults, String s, String label) { // CraftBukkit
+ // Paper start
+ this.performCommand(parseresults, s, label, false);
+ }
+ public void performCommand(ParseResults<CommandSourceStack> parseresults, String s, String label, boolean throwCommandError) {
+ // Paper end
+ CommandSourceStack commandlistenerwrapper = (CommandSourceStack) parseresults.getContext().getSource();
+
Profiler.get().push(() -> {
@@ -112,16 +132,17 @@
});
}
} catch (Exception exception) {
+ if (throwCommandError) throw exception;
MutableComponent ichatmutablecomponent = Component.literal(exception.getMessage() == null ? exception.getClass().getName() : exception.getMessage());
- if (Commands.LOGGER.isDebugEnabled()) {
- Commands.LOGGER.error("Command exception: /{}", command, exception);
+ Commands.LOGGER.error("Command exception: /{}", s, exception); // Paper - always show execution exception in console log
+ if (commandlistenerwrapper.getServer().isDebugging() || Commands.LOGGER.isDebugEnabled()) { // Paper - Debugging
+ Commands.LOGGER.error("Command exception: /{}", s, exception);
StackTraceElement[] astacktraceelement = exception.getStackTrace();
for (int i = 0; i < Math.min(astacktraceelement.length, 3); ++i) {
@@ -298,7 +358,7 @@
@@ -298,7 +377,7 @@
}));
if (SharedConstants.IS_RUNNING_IN_IDE) {
commandlistenerwrapper.sendFailure(Component.literal(Util.describeError(exception)));
@@ -130,7 +151,7 @@
}
} finally {
Profiler.get().pop();
@@ -307,18 +367,22 @@
@@ -307,18 +386,22 @@
}
@Nullable
@@ -159,7 +180,7 @@
});
if (i > 10) {
@@ -333,8 +397,18 @@
@@ -333,8 +416,18 @@
}
ichatmutablecomponent.append((Component) Component.translatable("command.context.here").withStyle(ChatFormatting.RED, ChatFormatting.ITALIC));
@@ -179,7 +200,7 @@
return null;
}
@@ -368,7 +442,7 @@
@@ -368,7 +461,7 @@
executioncontext1.close();
} finally {
@@ -188,7 +209,7 @@
}
} else {
callback.accept(executioncontext);
@@ -377,22 +451,89 @@
@@ -377,23 +470,121 @@
}
public void sendCommands(ServerPlayer player) {
@@ -221,13 +242,7 @@
+ private void sendAsync(ServerPlayer player, Collection<CommandNode<CommandSourceStack>> dispatcherRootChildren) {
+ // Paper end - Perf: Async command map building
+ Map<CommandNode<CommandSourceStack>, CommandNode<SharedSuggestionProvider>> map = Maps.newIdentityHashMap(); // Use identity to prevent aliasing issues
+ RootCommandNode vanillaRoot = new RootCommandNode();
+
+ RootCommandNode<CommandSourceStack> vanilla = player.server.vanillaCommandDispatcher.getDispatcher().getRoot();
+ map.put(vanilla, vanillaRoot);
+ this.fillUsableCommands(vanilla, vanillaRoot, player.createCommandSourceStack(), (Map) map);
+
+ // Now build the global commands in a second pass
+ // Paper - brigadier API removes the need to fill the map twice
RootCommandNode<SharedSuggestionProvider> rootcommandnode = new RootCommandNode();
map.put(this.dispatcher.getRoot(), rootcommandnode);
@@ -265,6 +280,7 @@
- Iterator iterator = tree.getChildren().iterator();
+ // Paper start - Perf: Async command map building; pass copy of children
+ private void fillUsableCommands(Collection<CommandNode<CommandSourceStack>> children, CommandNode<SharedSuggestionProvider> result, CommandSourceStack source, Map<CommandNode<CommandSourceStack>, CommandNode<SharedSuggestionProvider>> resultNodes) {
+ resultNodes.keySet().removeIf((node) -> !org.spigotmc.SpigotConfig.sendNamespaced && node.getName().contains( ":" )); // Paper - Remove namedspaced from result nodes to prevent redirect trimming ~ see comment below
+ Iterator iterator = children.iterator();
+ // Paper end - Perf: Async command map building
@@ -280,10 +296,47 @@
if (commandnode2.canUse(source)) {
- ArgumentBuilder<SharedSuggestionProvider, ?> argumentbuilder = commandnode2.createBuilder();
+ ArgumentBuilder argumentbuilder = commandnode2.createBuilder(); // CraftBukkit - decompile error
+ // Paper start
+ /*
+ Because of how commands can be yeeted right left and center due to bad bukkit practices
+ we need to be able to ensure that ALL commands are registered (even redirects).
+ What this will do is IF the redirect seems to be "dead" it will create a builder and essentially populate (flatten)
+ all the children from the dead redirect to the node.
+
+ So, if minecraft:msg redirects to msg but the original msg node has been overriden minecraft:msg will now act as msg and will explicilty inherit its children.
+
+ The only way to fix this is to either:
+ - Send EVERYTHING flattened, don't use redirects
+ - Don't allow command nodes to be deleted
+ - Do this :)
+ */
+
+ // Is there an invalid command redirect?
+ if (argumentbuilder.getRedirect() != null && (CommandNode) resultNodes.get(argumentbuilder.getRedirect()) == null) {
+ // Create the argument builder with the same values as the specified node, but with a different literal and populated children
+
+ CommandNode<CommandSourceStack> redirect = argumentbuilder.getRedirect();
+ // Diff copied from LiteralCommand#createBuilder
+ final com.mojang.brigadier.builder.LiteralArgumentBuilder<CommandSourceStack> builder = com.mojang.brigadier.builder.LiteralArgumentBuilder.literal(commandnode2.getName());
+ builder.requires(redirect.getRequirement());
+ // builder.forward(redirect.getRedirect(), redirect.getRedirectModifier(), redirect.isFork()); We don't want to migrate the forward, since it's invalid.
+ if (redirect.getCommand() != null) {
+ builder.executes(redirect.getCommand());
+ }
+ // Diff copied from LiteralCommand#createBuilder
+ for (CommandNode<CommandSourceStack> child : redirect.getChildren()) {
+ builder.then(child);
+ }
+
+ argumentbuilder = builder;
+ }
+ // Paper end
+
argumentbuilder.requires((icompletionprovider) -> {
return true;
@@ -415,12 +556,12 @@
});
@@ -415,12 +606,12 @@
argumentbuilder.redirect((CommandNode) resultNodes.get(argumentbuilder.getRedirect()));
}
@@ -298,7 +351,7 @@
}
}
}
@@ -481,7 +622,7 @@
@@ -481,7 +672,7 @@
}
private <T> HolderLookup.RegistryLookup.Delegate<T> createLookup(final HolderLookup.RegistryLookup<T> original) {