package net.minecraft.util.datafix.fixes; import com.mojang.datafixers.DSL; import com.mojang.datafixers.DataFix; import com.mojang.datafixers.OpticFinder; import com.mojang.datafixers.TypeRewriteRule; import com.mojang.datafixers.Typed; import com.mojang.datafixers.schemas.Schema; import com.mojang.datafixers.types.Type; import com.mojang.datafixers.types.templates.TaggedChoice.TaggedChoiceType; import com.mojang.serialization.Dynamic; import com.mojang.serialization.OptionalDynamic; import java.util.Map; import net.minecraft.util.datafix.ComponentDataFixUtils; public class BannerEntityCustomNameToOverrideComponentFix extends DataFix { public BannerEntityCustomNameToOverrideComponentFix(Schema outputSchema) { super(outputSchema, false); } @Override public TypeRewriteRule makeRule() { Type type = this.getInputSchema().getType(References.BLOCK_ENTITY); TaggedChoiceType taggedChoiceType = this.getInputSchema().findChoiceType(References.BLOCK_ENTITY); OpticFinder opticFinder = type.findField("components"); return this.fixTypeEverywhereTyped("Banner entity custom_name to item_name component fix", type, typed -> { Object object = typed.get(taggedChoiceType.finder()).getFirst(); return object.equals("minecraft:banner") ? this.fix(typed, opticFinder) : typed; }); } private Typed fix(Typed data, OpticFinder finder) { Dynamic dynamic = (Dynamic)data.getOptional(DSL.remainderFinder()).orElseThrow(); OptionalDynamic optionalDynamic = dynamic.get("CustomName"); boolean bl = optionalDynamic.asString() .result() .flatMap(ComponentDataFixUtils::extractTranslationString) .filter(string -> string.equals("block.minecraft.ominous_banner")) .isPresent(); if (bl) { Typed typed = data.getOrCreateTyped(finder) .update( DSL.remainderFinder(), dynamicx -> dynamicx.set("minecraft:item_name", (Dynamic)optionalDynamic.result().get()) .set("minecraft:hide_additional_tooltip", dynamicx.createMap(Map.of())) ); return data.set(finder, typed).set(DSL.remainderFinder(), dynamic.remove("CustomName")); } else { return data; } } }