135 lines
6.3 KiB
Java
135 lines
6.3 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.DynamicCommandExceptionType;
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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.Arrays;
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import java.util.Collection;
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import java.util.Optional;
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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.synchronization.ArgumentTypeInfo;
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import net.minecraft.core.Holder;
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import net.minecraft.core.Registry;
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import net.minecraft.core.registries.Registries;
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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 net.minecraft.world.level.levelgen.feature.ConfiguredFeature;
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import net.minecraft.world.level.levelgen.structure.Structure;
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import net.minecraft.world.level.levelgen.structure.pools.StructureTemplatePool;
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public class ResourceKeyArgument<T> implements ArgumentType<ResourceKey<T>> {
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private static final Collection<String> EXAMPLES = Arrays.asList("foo", "foo:bar", "012");
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private static final DynamicCommandExceptionType ERROR_INVALID_FEATURE = new DynamicCommandExceptionType(
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object -> Component.translatableEscape("commands.place.feature.invalid", object)
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);
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private static final DynamicCommandExceptionType ERROR_INVALID_STRUCTURE = new DynamicCommandExceptionType(
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object -> Component.translatableEscape("commands.place.structure.invalid", object)
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);
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private static final DynamicCommandExceptionType ERROR_INVALID_TEMPLATE_POOL = new DynamicCommandExceptionType(
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object -> Component.translatableEscape("commands.place.jigsaw.invalid", object)
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);
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final ResourceKey<? extends Registry<T>> registryKey;
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public ResourceKeyArgument(ResourceKey<? extends Registry<T>> registryKey) {
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this.registryKey = registryKey;
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}
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public static <T> ResourceKeyArgument<T> key(ResourceKey<? extends Registry<T>> registryKey) {
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return new ResourceKeyArgument<>(registryKey);
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}
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private static <T> ResourceKey<T> getRegistryKey(
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CommandContext<CommandSourceStack> context, String argument, ResourceKey<Registry<T>> registryKey, DynamicCommandExceptionType exception
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) throws CommandSyntaxException {
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ResourceKey<?> resourceKey = context.getArgument(argument, ResourceKey.class);
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Optional<ResourceKey<T>> optional = resourceKey.cast(registryKey);
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return (ResourceKey<T>)optional.orElseThrow(() -> exception.create(resourceKey));
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}
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private static <T> Registry<T> getRegistry(CommandContext<CommandSourceStack> context, ResourceKey<? extends Registry<T>> registryKey) {
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return context.getSource().getServer().registryAccess().registryOrThrow(registryKey);
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}
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private static <T> Holder.Reference<T> resolveKey(
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CommandContext<CommandSourceStack> context, String argument, ResourceKey<Registry<T>> registryKey, DynamicCommandExceptionType exception
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) throws CommandSyntaxException {
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ResourceKey<T> resourceKey = getRegistryKey(context, argument, registryKey, exception);
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return (Holder.Reference<T>)getRegistry(context, registryKey).getHolder(resourceKey).orElseThrow(() -> exception.create(resourceKey.location()));
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}
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public static Holder.Reference<ConfiguredFeature<?, ?>> getConfiguredFeature(CommandContext<CommandSourceStack> context, String argument) throws CommandSyntaxException {
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return resolveKey(context, argument, Registries.CONFIGURED_FEATURE, ERROR_INVALID_FEATURE);
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}
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public static Holder.Reference<Structure> getStructure(CommandContext<CommandSourceStack> context, String argument) throws CommandSyntaxException {
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return resolveKey(context, argument, Registries.STRUCTURE, ERROR_INVALID_STRUCTURE);
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}
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public static Holder.Reference<StructureTemplatePool> getStructureTemplatePool(CommandContext<CommandSourceStack> context, String argument) throws CommandSyntaxException {
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return resolveKey(context, argument, Registries.TEMPLATE_POOL, ERROR_INVALID_TEMPLATE_POOL);
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}
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public ResourceKey<T> parse(StringReader reader) throws CommandSyntaxException {
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ResourceLocation resourceLocation = ResourceLocation.read(reader);
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return ResourceKey.create(this.registryKey, resourceLocation);
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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(
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this.registryKey, SharedSuggestionProvider.ElementSuggestionType.ELEMENTS, suggestionsBuilder, commandContext
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)
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: suggestionsBuilder.buildFuture();
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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<ResourceKeyArgument<T>, ResourceKeyArgument.Info<T>.Template> {
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public void serializeToNetwork(ResourceKeyArgument.Info<T>.Template template, FriendlyByteBuf buffer) {
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buffer.writeResourceKey(template.registryKey);
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}
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public ResourceKeyArgument.Info<T>.Template deserializeFromNetwork(FriendlyByteBuf buffer) {
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return new ResourceKeyArgument.Info.Template(buffer.readRegistryKey());
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}
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public void serializeToJson(ResourceKeyArgument.Info<T>.Template template, JsonObject json) {
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json.addProperty("registry", template.registryKey.location().toString());
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}
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public ResourceKeyArgument.Info<T>.Template unpack(ResourceKeyArgument<T> argument) {
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return new ResourceKeyArgument.Info.Template(argument.registryKey);
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}
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public final class Template implements ArgumentTypeInfo.Template<ResourceKeyArgument<T>> {
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final ResourceKey<? extends Registry<T>> registryKey;
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Template(final ResourceKey<? extends Registry<T>> registryKey) {
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this.registryKey = registryKey;
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}
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public ResourceKeyArgument<T> instantiate(CommandBuildContext context) {
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return new ResourceKeyArgument<>(this.registryKey);
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}
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@Override
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public ArgumentTypeInfo<ResourceKeyArgument<T>, ?> type() {
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return Info.this;
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}
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}
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}
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}
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