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Paper/patches/server/1031-Add-experimental-improved-give-command.patch

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Jake Potrebic <jake.m.potrebic@gmail.com>
Date: Fri, 26 Apr 2024 23:15:27 -0700
Subject: [PATCH] Add experimental improved give command
Supports removing data components from itemstacks
diff --git a/src/main/java/net/minecraft/commands/arguments/item/ItemArgument.java b/src/main/java/net/minecraft/commands/arguments/item/ItemArgument.java
index d76296c6d53065aecb010d8ea682c9acd7365f17..9314a94764786982eff0974411f8341bb0353ecf 100644
--- a/src/main/java/net/minecraft/commands/arguments/item/ItemArgument.java
+++ b/src/main/java/net/minecraft/commands/arguments/item/ItemArgument.java
@@ -16,7 +16,12 @@ public class ItemArgument implements ArgumentType<ItemInput> {
private final ItemParser parser;
public ItemArgument(CommandBuildContext commandRegistryAccess) {
- this.parser = new ItemParser(commandRegistryAccess);
+ // Paper start - support component removals
+ this(commandRegistryAccess, false);
+ }
+ public ItemArgument(CommandBuildContext commandRegistryAccess, boolean allowRemovals) {
+ this.parser = new ItemParser(commandRegistryAccess, allowRemovals);
+ // Paper end - support component removals
}
public static ItemArgument item(CommandBuildContext commandRegistryAccess) {
@@ -25,7 +30,7 @@ public class ItemArgument implements ArgumentType<ItemInput> {
public ItemInput parse(StringReader stringReader) throws CommandSyntaxException {
ItemParser.ItemResult itemResult = this.parser.parse(stringReader);
- return new ItemInput(itemResult.item(), itemResult.components());
+ return new ItemInput(itemResult.item(), itemResult.components(), itemResult.patch()); // Paper - support component removals
}
public static <S> ItemInput getItem(CommandContext<S> context, String name) {
diff --git a/src/main/java/net/minecraft/commands/arguments/item/ItemInput.java b/src/main/java/net/minecraft/commands/arguments/item/ItemInput.java
index 3d24fbca90bc7d8bdbac1be2176555c15ae75039..94ea5f0b1913ffa03794d231a6768dd786dc9697 100644
--- a/src/main/java/net/minecraft/commands/arguments/item/ItemInput.java
+++ b/src/main/java/net/minecraft/commands/arguments/item/ItemInput.java
@@ -25,8 +25,15 @@ public class ItemInput {
);
private final Holder<Item> item;
private final DataComponentMap components;
+ @javax.annotation.Nullable private final net.minecraft.core.component.DataComponentPatch patch; // Paper
public ItemInput(Holder<Item> item, DataComponentMap components) {
+ // Paper start
+ this(item, components, null);
+ }
+ public ItemInput(Holder<Item> item, DataComponentMap components, @javax.annotation.Nullable final net.minecraft.core.component.DataComponentPatch patch) {
+ this.patch = patch;
+ // Paper end
this.item = item;
this.components = components;
}
@@ -37,7 +44,13 @@ public class ItemInput {
public ItemStack createItemStack(int amount, boolean checkOverstack) throws CommandSyntaxException {
ItemStack itemStack = new ItemStack(this.item, amount);
- itemStack.applyComponents(this.components);
+ // Paper start - support component removals
+ if (this.patch != null) {
+ itemStack.applyComponents(this.patch);
+ } else {
+ itemStack.applyComponents(this.components);
+ }
+ // Paper end - support component removals
if (checkOverstack && amount > itemStack.getMaxStackSize()) {
throw ERROR_STACK_TOO_BIG.create(this.getItemName(), itemStack.getMaxStackSize());
} else {
diff --git a/src/main/java/net/minecraft/commands/arguments/item/ItemParser.java b/src/main/java/net/minecraft/commands/arguments/item/ItemParser.java
index 5347a96be3bfbbd2963747ba4b5f222215d80371..fa431de18de902c580855e9c4419125519b6176b 100644
--- a/src/main/java/net/minecraft/commands/arguments/item/ItemParser.java
+++ b/src/main/java/net/minecraft/commands/arguments/item/ItemParser.java
@@ -59,8 +59,15 @@ public class ItemParser {
static final Function<SuggestionsBuilder, CompletableFuture<Suggestions>> SUGGEST_NOTHING = SuggestionsBuilder::buildFuture;
final HolderLookup.RegistryLookup<Item> items;
final DynamicOps<Tag> registryOps;
+ final boolean allowRemoves; // Paper - support component removals
public ItemParser(HolderLookup.Provider registriesLookup) {
+ // Paper start - support component removals
+ this(registriesLookup, false);
+ }
+ public ItemParser(HolderLookup.Provider registriesLookup, boolean allowRemoves) {
+ this.allowRemoves = allowRemoves;
+ // Paper end - support component removals
this.items = registriesLookup.lookupOrThrow(Registries.ITEM);
this.registryOps = registriesLookup.createSerializationContext(NbtOps.INSTANCE);
}
@@ -68,6 +75,7 @@ public class ItemParser {
public ItemParser.ItemResult parse(StringReader reader) throws CommandSyntaxException {
final MutableObject<Holder<Item>> mutableObject = new MutableObject<>();
final DataComponentMap.Builder builder = DataComponentMap.builder();
+ final net.minecraft.core.component.DataComponentPatch.Builder patchBuilder = net.minecraft.core.component.DataComponentPatch.builder(); // Paper - support component removals
this.parse(reader, new ItemParser.Visitor() {
@Override
public void visitItem(Holder<Item> item) {
@@ -77,12 +85,19 @@ public class ItemParser {
@Override
public <T> void visitComponent(DataComponentType<T> type, T value) {
builder.set(type, value);
+ // Paper start - support component removals
+ patchBuilder.set(type, value);
+ }
+ @Override
+ public <T> void visitComponentRemove(final DataComponentType<T> type) {
+ patchBuilder.remove(type);
+ // Paper end - support component removals
}
});
Holder<Item> holder = Objects.requireNonNull(mutableObject.getValue(), "Parser gave no item");
DataComponentMap dataComponentMap = builder.build();
validateComponents(reader, holder, dataComponentMap);
- return new ItemParser.ItemResult(holder, dataComponentMap);
+ return new ItemParser.ItemResult(holder, dataComponentMap, this.allowRemoves ? patchBuilder.build() : null); // Paper - support component removals
}
private static void validateComponents(StringReader reader, Holder<Item> item, DataComponentMap components) throws CommandSyntaxException {
@@ -116,7 +131,7 @@ public class ItemParser {
return suggestionsVisitor.resolveSuggestions(builder, stringReader);
}
- public static record ItemResult(Holder<Item> item, DataComponentMap components) {
+ public static record ItemResult(Holder<Item> item, DataComponentMap components, @javax.annotation.Nullable net.minecraft.core.component.DataComponentPatch patch) { // Paper
}
class State {
@@ -154,17 +169,28 @@ public class ItemParser {
while (this.reader.canRead() && this.reader.peek() != ']') {
this.reader.skipWhitespace();
+ boolean removing = ItemParser.this.allowRemoves && this.reader.canRead() && this.reader.peek() == '!';
+ if (removing) {
+ this.reader.skip();
+ this.visitor.visitSuggestions(builder -> this.suggestComponentAssignment(builder, false));
+ }
DataComponentType<?> dataComponentType = readComponentType(this.reader);
if (!set.add(dataComponentType)) {
throw ItemParser.ERROR_REPEATED_COMPONENT.create(dataComponentType);
}
+ // Paper start - support component removals
+ if (removing) {
+ this.visitor.visitComponentRemove(dataComponentType);
+ } else {
+ // Paper end - support component removals
this.visitor.visitSuggestions(this::suggestAssignment);
this.reader.skipWhitespace();
this.reader.expect('=');
this.visitor.visitSuggestions(ItemParser.SUGGEST_NOTHING);
this.reader.skipWhitespace();
this.readComponent(dataComponentType);
+ } // Paper - support component removals
this.reader.skipWhitespace();
this.visitor.visitSuggestions(this::suggestNextOrEndComponents);
if (!this.reader.canRead() || this.reader.peek() != ',') {
@@ -239,12 +265,18 @@ public class ItemParser {
}
private CompletableFuture<Suggestions> suggestComponentAssignment(SuggestionsBuilder builder) {
+ // Paper start - support component removals
+ return this.suggestComponentAssignment(builder, true);
+ }
+ private CompletableFuture<Suggestions> suggestComponentAssignment(SuggestionsBuilder builder, boolean suggestRemove) {
String string = builder.getRemaining().toLowerCase(Locale.ROOT);
+ if (suggestRemove && string.isBlank()) builder.suggest("!", Component.literal("Remove a data component"));
+ // Paper end - support component removals
SharedSuggestionProvider.filterResources(BuiltInRegistries.DATA_COMPONENT_TYPE.entrySet(), string, entry -> entry.getKey().location(), entry -> {
DataComponentType<?> dataComponentType = entry.getValue();
if (dataComponentType.codec() != null) {
ResourceLocation resourceLocation = entry.getKey().location();
- builder.suggest(resourceLocation.toString() + "=");
+ builder.suggest(resourceLocation.toString() + (suggestRemove ? "=" : "")); // Paper - support component removals
}
});
return builder.buildFuture();
@@ -270,6 +302,7 @@ public class ItemParser {
default <T> void visitComponent(DataComponentType<T> type, T value) {
}
+ default <T> void visitComponentRemove(DataComponentType<T> type) {} // Paper
default void visitSuggestions(Function<SuggestionsBuilder, CompletableFuture<Suggestions>> suggestor) {
}
diff --git a/src/main/java/net/minecraft/server/commands/GiveCommand.java b/src/main/java/net/minecraft/server/commands/GiveCommand.java
index 0d9de4c61c7b26a6ff37c12fde629161fd0c3d5a..47355158e5e762540a10dc67b23092a0fc53bce3 100644
--- a/src/main/java/net/minecraft/server/commands/GiveCommand.java
+++ b/src/main/java/net/minecraft/server/commands/GiveCommand.java
@@ -34,6 +34,38 @@ public class GiveCommand {
})).then(net.minecraft.commands.Commands.argument("count", IntegerArgumentType.integer(1)).executes((commandcontext) -> {
return GiveCommand.giveItem((CommandSourceStack) commandcontext.getSource(), ItemArgument.getItem(commandcontext, "item"), EntityArgument.getPlayers(commandcontext, "targets"), IntegerArgumentType.getInteger(commandcontext, "count"));
})))));
+ // Paper start - support component removals with a custom pgive command
+ final com.mojang.brigadier.tree.CommandNode<net.minecraft.commands.CommandSourceStack> node = net.minecraft.commands.Commands
+ .literal("pgive").requires((css) -> css.hasPermission(2))
+ .then(net.minecraft.commands.Commands.argument("targets", EntityArgument.players())
+ .then(net.minecraft.commands.Commands.argument("item", new ItemArgument(commandRegistryAccess, true)).executes((ctx) -> {
+ return GiveCommand.giveItem(ctx.getSource(), ItemArgument.getItem(ctx, "item"), EntityArgument.getPlayers(ctx, "targets"), 1);
+ })
+ .then(net.minecraft.commands.Commands.argument("count", IntegerArgumentType.integer(1)).executes((ctx) -> {
+ return GiveCommand.giveItem(ctx.getSource(), ItemArgument.getItem(ctx, "item"), EntityArgument.getPlayers(ctx, "targets"), IntegerArgumentType.getInteger(ctx, "count"));
+ }))
+ )
+ ).build();
+ setClientNodes(node);
+ dispatcher.getRoot().addChild(node);
+ }
+ static void setClientNodes(com.mojang.brigadier.tree.CommandNode<net.minecraft.commands.CommandSourceStack> node) {
+ if (node instanceof com.mojang.brigadier.tree.ArgumentCommandNode<net.minecraft.commands.CommandSourceStack,?> argumentNode) {
+ if (argumentNode.getType() instanceof ItemArgument) {
+ node.clientNode = new com.mojang.brigadier.tree.ArgumentCommandNode<>(
+ argumentNode.getName(),
+ com.mojang.brigadier.arguments.StringArgumentType.greedyString(),
+ argumentNode.getCommand(),
+ argumentNode.getRequirement(),
+ argumentNode.getRedirect(),
+ argumentNode.getRedirectModifier(),
+ argumentNode.isFork(),
+ (ctx, builder) -> builder.buildFuture()
+ );
+ }
+ }
+ node.getChildren().forEach(GiveCommand::setClientNodes);
+ // Paper end - support component removals with a custom pgive command
}
private static int giveItem(CommandSourceStack source, ItemInput item, Collection<ServerPlayer> targets, int count) throws CommandSyntaxException {
diff --git a/src/main/java/org/bukkit/craftbukkit/command/VanillaCommandWrapper.java b/src/main/java/org/bukkit/craftbukkit/command/VanillaCommandWrapper.java
index 2ee33c55890fa659f6d251e486264c85d9e89802..dd1507f65a7f1d84bc7f236f81a60ac1302a13b8 100644
--- a/src/main/java/org/bukkit/craftbukkit/command/VanillaCommandWrapper.java
+++ b/src/main/java/org/bukkit/craftbukkit/command/VanillaCommandWrapper.java
@@ -96,6 +96,9 @@ public final class VanillaCommandWrapper extends BukkitCommand {
vanillaCommand = vanillaCommand.getRedirect();
}
final String commandName = vanillaCommand.getName();
+ if ("pgive".equals(stripDefaultNamespace(commandName))) {
+ return "bukkit.command.paper.pgive";
+ }
return "minecraft.command." + stripDefaultNamespace(commandName);
}
diff --git a/src/test/java/io/papermc/paper/permissions/MinecraftCommandPermissionsTest.java b/src/test/java/io/papermc/paper/permissions/MinecraftCommandPermissionsTest.java
index ca71c688b37ce2c8b712a4f9216cf872c8edf78e..2f3ff50bf3f70b6b404d02d5ffcc079162a63bc1 100644
--- a/src/test/java/io/papermc/paper/permissions/MinecraftCommandPermissionsTest.java
+++ b/src/test/java/io/papermc/paper/permissions/MinecraftCommandPermissionsTest.java
@@ -45,6 +45,9 @@ public class MinecraftCommandPermissionsTest extends AbstractTestingBase {
Set<String> foundPerms = new HashSet<>();
for (CommandNode<CommandSourceStack> child : root.getChildren()) {
final String vanillaPerm = VanillaCommandWrapper.getPermission(child);
+ if ("bukkit.command.paper.pgive".equals(vanillaPerm)) { // skip our custom give command
+ continue;
+ }
if (!perms.contains(vanillaPerm)) {
missing.add("Missing permission for " + child.getName() + " (" + vanillaPerm + ") command");
} else {
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