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