218 lines
11 KiB
Java
218 lines
11 KiB
Java
package net.minecraft.commands.arguments.item;
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import com.mojang.brigadier.ImmutableStringReader;
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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.exceptions.DynamicCommandExceptionType;
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import com.mojang.serialization.Codec;
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import com.mojang.serialization.DataResult;
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import com.mojang.serialization.Decoder;
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import com.mojang.serialization.Dynamic;
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import java.util.Arrays;
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import java.util.Collection;
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import java.util.List;
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import java.util.Map;
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import java.util.Objects;
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import java.util.function.Predicate;
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import java.util.stream.Collectors;
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import java.util.stream.Stream;
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import net.minecraft.Util;
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import net.minecraft.advancements.critereon.MinMaxBounds;
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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.core.Holder;
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import net.minecraft.core.HolderLookup;
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import net.minecraft.core.HolderSet;
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import net.minecraft.core.component.DataComponentType;
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import net.minecraft.core.component.predicates.DataComponentPredicate;
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import net.minecraft.core.registries.Registries;
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import net.minecraft.network.chat.Component;
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import net.minecraft.resources.RegistryOps;
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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.tags.TagKey;
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import net.minecraft.util.parsing.packrat.commands.ParserBasedArgument;
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import net.minecraft.world.item.Item;
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import net.minecraft.world.item.ItemStack;
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public class ItemPredicateArgument extends ParserBasedArgument<ItemPredicateArgument.Result> {
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private static final Collection<String> EXAMPLES = Arrays.asList("stick", "minecraft:stick", "#stick", "#stick{foo:'bar'}");
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static final DynamicCommandExceptionType ERROR_UNKNOWN_ITEM = new DynamicCommandExceptionType(
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object -> Component.translatableEscape("argument.item.id.invalid", object)
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);
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static final DynamicCommandExceptionType ERROR_UNKNOWN_TAG = new DynamicCommandExceptionType(
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object -> Component.translatableEscape("arguments.item.tag.unknown", object)
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);
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static final DynamicCommandExceptionType ERROR_UNKNOWN_COMPONENT = new DynamicCommandExceptionType(
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object -> Component.translatableEscape("arguments.item.component.unknown", object)
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);
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static final Dynamic2CommandExceptionType ERROR_MALFORMED_COMPONENT = new Dynamic2CommandExceptionType(
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(object, object2) -> Component.translatableEscape("arguments.item.component.malformed", object, object2)
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);
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static final DynamicCommandExceptionType ERROR_UNKNOWN_PREDICATE = new DynamicCommandExceptionType(
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object -> Component.translatableEscape("arguments.item.predicate.unknown", object)
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);
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static final Dynamic2CommandExceptionType ERROR_MALFORMED_PREDICATE = new Dynamic2CommandExceptionType(
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(object, object2) -> Component.translatableEscape("arguments.item.predicate.malformed", object, object2)
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);
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private static final ResourceLocation COUNT_ID = ResourceLocation.withDefaultNamespace("count");
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static final Map<ResourceLocation, ItemPredicateArgument.ComponentWrapper> PSEUDO_COMPONENTS = (Map<ResourceLocation, ItemPredicateArgument.ComponentWrapper>)Stream.of(
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new ItemPredicateArgument.ComponentWrapper(COUNT_ID, itemStack -> true, MinMaxBounds.Ints.CODEC.map(ints -> itemStack -> ints.matches(itemStack.getCount())))
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)
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.collect(Collectors.toUnmodifiableMap(ItemPredicateArgument.ComponentWrapper::id, componentWrapper -> componentWrapper));
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static final Map<ResourceLocation, ItemPredicateArgument.PredicateWrapper> PSEUDO_PREDICATES = (Map<ResourceLocation, ItemPredicateArgument.PredicateWrapper>)Stream.of(
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new ItemPredicateArgument.PredicateWrapper(COUNT_ID, MinMaxBounds.Ints.CODEC.map(ints -> itemStack -> ints.matches(itemStack.getCount())))
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)
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.collect(Collectors.toUnmodifiableMap(ItemPredicateArgument.PredicateWrapper::id, predicateWrapper -> predicateWrapper));
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public ItemPredicateArgument(CommandBuildContext context) {
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super(ComponentPredicateParser.createGrammar(new ItemPredicateArgument.Context(context)).mapResult(list -> Util.allOf(list)::test));
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}
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public static ItemPredicateArgument itemPredicate(CommandBuildContext context) {
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return new ItemPredicateArgument(context);
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}
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public static ItemPredicateArgument.Result getItemPredicate(CommandContext<CommandSourceStack> context, String name) {
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return context.getArgument(name, ItemPredicateArgument.Result.class);
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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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record ComponentWrapper(ResourceLocation id, Predicate<ItemStack> presenceChecker, Decoder<? extends Predicate<ItemStack>> valueChecker) {
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public static <T> ItemPredicateArgument.ComponentWrapper create(ImmutableStringReader reader, ResourceLocation id, DataComponentType<T> componentType) throws CommandSyntaxException {
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Codec<T> codec = componentType.codec();
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if (codec == null) {
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throw ItemPredicateArgument.ERROR_UNKNOWN_COMPONENT.createWithContext(reader, id);
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} else {
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return new ItemPredicateArgument.ComponentWrapper(id, itemStack -> itemStack.has(componentType), codec.map(object -> itemStack -> {
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T object2 = itemStack.get(componentType);
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return Objects.equals(object, object2);
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}));
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}
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}
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public Predicate<ItemStack> decode(ImmutableStringReader reader, Dynamic<?> data) throws CommandSyntaxException {
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DataResult<? extends Predicate<ItemStack>> dataResult = this.valueChecker.parse(data);
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return (Predicate<ItemStack>)dataResult.getOrThrow(
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string -> ItemPredicateArgument.ERROR_MALFORMED_COMPONENT.createWithContext(reader, this.id.toString(), string)
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);
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}
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}
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static class Context
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implements ComponentPredicateParser.Context<Predicate<ItemStack>, ItemPredicateArgument.ComponentWrapper, ItemPredicateArgument.PredicateWrapper> {
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private final HolderLookup.Provider registries;
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private final HolderLookup.RegistryLookup<Item> items;
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private final HolderLookup.RegistryLookup<DataComponentType<?>> components;
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private final HolderLookup.RegistryLookup<DataComponentPredicate.Type<?>> predicates;
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Context(HolderLookup.Provider registries) {
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this.registries = registries;
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this.items = registries.lookupOrThrow(Registries.ITEM);
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this.components = registries.lookupOrThrow(Registries.DATA_COMPONENT_TYPE);
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this.predicates = registries.lookupOrThrow(Registries.DATA_COMPONENT_PREDICATE_TYPE);
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}
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public Predicate<ItemStack> forElementType(ImmutableStringReader reader, ResourceLocation elementType) throws CommandSyntaxException {
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Holder.Reference<Item> reference = (Holder.Reference<Item>)this.items
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.get(ResourceKey.create(Registries.ITEM, elementType))
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.orElseThrow(() -> ItemPredicateArgument.ERROR_UNKNOWN_ITEM.createWithContext(reader, elementType));
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return itemStack -> itemStack.is(reference);
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}
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public Predicate<ItemStack> forTagType(ImmutableStringReader reader, ResourceLocation tagType) throws CommandSyntaxException {
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HolderSet<Item> holderSet = (HolderSet<Item>)this.items
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.get(TagKey.create(Registries.ITEM, tagType))
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.orElseThrow(() -> ItemPredicateArgument.ERROR_UNKNOWN_TAG.createWithContext(reader, tagType));
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return itemStack -> itemStack.is(holderSet);
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}
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public ItemPredicateArgument.ComponentWrapper lookupComponentType(ImmutableStringReader reader, ResourceLocation componentType) throws CommandSyntaxException {
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ItemPredicateArgument.ComponentWrapper componentWrapper = (ItemPredicateArgument.ComponentWrapper)ItemPredicateArgument.PSEUDO_COMPONENTS.get(componentType);
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if (componentWrapper != null) {
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return componentWrapper;
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} else {
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DataComponentType<?> dataComponentType = (DataComponentType<?>)this.components
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.get(ResourceKey.create(Registries.DATA_COMPONENT_TYPE, componentType))
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.map(Holder::value)
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.orElseThrow(() -> ItemPredicateArgument.ERROR_UNKNOWN_COMPONENT.createWithContext(reader, componentType));
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return ItemPredicateArgument.ComponentWrapper.create(reader, componentType, dataComponentType);
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}
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}
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public Predicate<ItemStack> createComponentTest(ImmutableStringReader reader, ItemPredicateArgument.ComponentWrapper context, Dynamic<?> data) throws CommandSyntaxException {
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return context.decode(reader, RegistryOps.injectRegistryContext(data, this.registries));
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}
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public Predicate<ItemStack> createComponentTest(ImmutableStringReader reader, ItemPredicateArgument.ComponentWrapper context) {
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return context.presenceChecker;
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}
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public ItemPredicateArgument.PredicateWrapper lookupPredicateType(ImmutableStringReader reader, ResourceLocation predicateType) throws CommandSyntaxException {
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ItemPredicateArgument.PredicateWrapper predicateWrapper = (ItemPredicateArgument.PredicateWrapper)ItemPredicateArgument.PSEUDO_PREDICATES.get(predicateType);
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return predicateWrapper != null
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? predicateWrapper
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: (ItemPredicateArgument.PredicateWrapper)this.predicates
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.get(ResourceKey.create(Registries.DATA_COMPONENT_PREDICATE_TYPE, predicateType))
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.map(ItemPredicateArgument.PredicateWrapper::new)
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.orElseThrow(() -> ItemPredicateArgument.ERROR_UNKNOWN_PREDICATE.createWithContext(reader, predicateType));
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}
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public Predicate<ItemStack> createPredicateTest(ImmutableStringReader reader, ItemPredicateArgument.PredicateWrapper predicateType, Dynamic<?> data) throws CommandSyntaxException {
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return predicateType.decode(reader, RegistryOps.injectRegistryContext(data, this.registries));
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}
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@Override
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public Stream<ResourceLocation> listElementTypes() {
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return this.items.listElementIds().map(ResourceKey::location);
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}
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@Override
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public Stream<ResourceLocation> listTagTypes() {
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return this.items.listTagIds().map(TagKey::location);
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}
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@Override
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public Stream<ResourceLocation> listComponentTypes() {
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return Stream.concat(
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ItemPredicateArgument.PSEUDO_COMPONENTS.keySet().stream(),
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this.components.listElements().filter(reference -> !((DataComponentType)reference.value()).isTransient()).map(reference -> reference.key().location())
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);
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}
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@Override
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public Stream<ResourceLocation> listPredicateTypes() {
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return Stream.concat(ItemPredicateArgument.PSEUDO_PREDICATES.keySet().stream(), this.predicates.listElementIds().map(ResourceKey::location));
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}
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public Predicate<ItemStack> negate(Predicate<ItemStack> value) {
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return value.negate();
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}
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public Predicate<ItemStack> anyOf(List<Predicate<ItemStack>> values) {
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return Util.anyOf(values);
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}
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}
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record PredicateWrapper(ResourceLocation id, Decoder<? extends Predicate<ItemStack>> type) {
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public PredicateWrapper(Holder.Reference<DataComponentPredicate.Type<?>> predicate) {
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this(predicate.key().location(), predicate.value().codec().map(dataComponentPredicate -> dataComponentPredicate::matches));
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}
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public Predicate<ItemStack> decode(ImmutableStringReader reader, Dynamic<?> data) throws CommandSyntaxException {
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DataResult<? extends Predicate<ItemStack>> dataResult = this.type.parse(data);
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return (Predicate<ItemStack>)dataResult.getOrThrow(
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string -> ItemPredicateArgument.ERROR_MALFORMED_PREDICATE.createWithContext(reader, this.id.toString(), string)
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);
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}
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}
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public interface Result extends Predicate<ItemStack> {
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}
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}
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