minecraft-src/net/minecraft/commands/arguments/ResourceSelectorArgument.java
2025-07-04 03:45:38 +03:00

117 lines
5.3 KiB
Java

package net.minecraft.commands.arguments;
import com.google.gson.JsonObject;
import com.mojang.brigadier.StringReader;
import com.mojang.brigadier.arguments.ArgumentType;
import com.mojang.brigadier.context.CommandContext;
import com.mojang.brigadier.exceptions.CommandSyntaxException;
import com.mojang.brigadier.exceptions.Dynamic2CommandExceptionType;
import com.mojang.brigadier.suggestion.Suggestions;
import com.mojang.brigadier.suggestion.SuggestionsBuilder;
import java.util.Collection;
import java.util.List;
import java.util.concurrent.CompletableFuture;
import net.minecraft.commands.CommandBuildContext;
import net.minecraft.commands.CommandSourceStack;
import net.minecraft.commands.SharedSuggestionProvider;
import net.minecraft.commands.SharedSuggestionProvider.ElementSuggestionType;
import net.minecraft.commands.synchronization.ArgumentTypeInfo;
import net.minecraft.core.HolderLookup;
import net.minecraft.core.Registry;
import net.minecraft.core.Holder.Reference;
import net.minecraft.network.FriendlyByteBuf;
import net.minecraft.network.chat.Component;
import net.minecraft.resources.ResourceKey;
import net.minecraft.resources.ResourceLocation;
import org.apache.commons.io.FilenameUtils;
public class ResourceSelectorArgument<T> implements ArgumentType<Collection<Reference<T>>> {
private static final Collection<String> EXAMPLES = List.of("minecraft:*", "*:asset", "*");
public static final Dynamic2CommandExceptionType ERROR_NO_MATCHES = new Dynamic2CommandExceptionType(
(object, object2) -> Component.translatableEscape("argument.resource_selector.not_found", object, object2)
);
final ResourceKey<? extends Registry<T>> registryKey;
private final HolderLookup<T> registryLookup;
ResourceSelectorArgument(CommandBuildContext buildContext, ResourceKey<? extends Registry<T>> registryKey) {
this.registryKey = registryKey;
this.registryLookup = buildContext.lookupOrThrow(registryKey);
}
public Collection<Reference<T>> parse(StringReader stringReader) throws CommandSyntaxException {
String string = ensureNamespaced(readPattern(stringReader));
List<Reference<T>> list = this.registryLookup.listElements().filter(reference -> matches(string, reference.key().location())).toList();
if (list.isEmpty()) {
throw ERROR_NO_MATCHES.createWithContext(stringReader, string, this.registryKey.location());
} else {
return list;
}
}
public static <T> Collection<Reference<T>> parse(StringReader parse, HolderLookup<T> lookup) {
String string = ensureNamespaced(readPattern(parse));
return lookup.listElements().filter(reference -> matches(string, reference.key().location())).toList();
}
private static String readPattern(StringReader reader) {
int i = reader.getCursor();
while (reader.canRead() && isAllowedPatternCharacter(reader.peek())) {
reader.skip();
}
return reader.getString().substring(i, reader.getCursor());
}
private static boolean isAllowedPatternCharacter(char c) {
return ResourceLocation.isAllowedInResourceLocation(c) || c == '*' || c == '?';
}
private static String ensureNamespaced(String name) {
return !name.contains(":") ? "minecraft:" + name : name;
}
private static boolean matches(String string, ResourceLocation location) {
return FilenameUtils.wildcardMatch(location.toString(), string);
}
public static <T> ResourceSelectorArgument<T> resourceSelector(CommandBuildContext buildContext, ResourceKey<? extends Registry<T>> registryKey) {
return new ResourceSelectorArgument<>(buildContext, registryKey);
}
public static <T> Collection<Reference<T>> getSelectedResources(
CommandContext<CommandSourceStack> context, String argument, ResourceKey<? extends Registry<T>> registryKey
) {
return context.getArgument(argument, Collection.class);
}
@Override
public <S> CompletableFuture<Suggestions> listSuggestions(CommandContext<S> commandContext, SuggestionsBuilder suggestionsBuilder) {
return commandContext.getSource() instanceof SharedSuggestionProvider sharedSuggestionProvider
? sharedSuggestionProvider.suggestRegistryElements(this.registryKey, ElementSuggestionType.ELEMENTS, suggestionsBuilder, commandContext)
: SharedSuggestionProvider.suggest(this.registryLookup.listElementIds().map(ResourceKey::location).map(ResourceLocation::toString), suggestionsBuilder);
}
@Override
public Collection<String> getExamples() {
return EXAMPLES;
}
public static class Info<T> implements ArgumentTypeInfo<ResourceSelectorArgument<T>, ResourceSelectorArgument.Info<T>.Template> {
public void serializeToNetwork(ResourceSelectorArgument.Info<T>.Template template, FriendlyByteBuf friendlyByteBuf) {
friendlyByteBuf.writeResourceKey(template.registryKey);
}
public ResourceSelectorArgument.Info<T>.Template deserializeFromNetwork(FriendlyByteBuf friendlyByteBuf) {
return new net.minecraft.commands.arguments.ResourceSelectorArgument.Info.Template(this, friendlyByteBuf.readRegistryKey());
}
public void serializeToJson(ResourceSelectorArgument.Info<T>.Template template, JsonObject jsonObject) {
jsonObject.addProperty("registry", template.registryKey.location().toString());
}
public ResourceSelectorArgument.Info<T>.Template unpack(ResourceSelectorArgument<T> resourceSelectorArgument) {
return new net.minecraft.commands.arguments.ResourceSelectorArgument.Info.Template(this, resourceSelectorArgument.registryKey);
}
}
}