39 lines
1.7 KiB
Java
39 lines
1.7 KiB
Java
package net.minecraft.util.datafix.fixes;
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import java.util.stream.Stream;
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import java.util.function.Predicate;
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import com.mojang.datafixers.Dynamic;
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import java.util.function.Function;
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import com.mojang.datafixers.types.Type;
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import com.mojang.datafixers.TypeRewriteRule;
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import com.mojang.datafixers.schemas.Schema;
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import com.mojang.datafixers.DataFix;
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public class IglooMetadataRemovalFix extends DataFix {
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public IglooMetadataRemovalFix(final Schema schema, final boolean boolean2) {
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super(schema, boolean2);
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}
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protected TypeRewriteRule makeRule() {
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final Type<?> type2 = this.getInputSchema().getType(References.STRUCTURE_FEATURE);
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final Type<?> type3 = this.getOutputSchema().getType(References.STRUCTURE_FEATURE);
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return this.writeFixAndRead("IglooMetadataRemovalFix", (Type)type2, (Type)type3, (Function)IglooMetadataRemovalFix::fixTag);
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}
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private static <T> Dynamic<T> fixTag(final Dynamic<T> dynamic) {
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final boolean boolean2 = dynamic.get("Children").asStreamOpt().<Boolean>map(stream -> stream.allMatch(IglooMetadataRemovalFix::isIglooPiece)).orElse(false);
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if (boolean2) {
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return (Dynamic<T>)dynamic.set("id", dynamic.createString("Igloo")).remove("Children");
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}
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return (Dynamic<T>)dynamic.update("Children", (Function)IglooMetadataRemovalFix::removeIglooPieces);
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}
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private static <T> Dynamic<T> removeIglooPieces(final Dynamic<T> dynamic) {
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return dynamic.asStreamOpt().map(stream -> stream.filter(dynamic -> !isIglooPiece(dynamic))).<Dynamic<T>>map(dynamic::createList).orElse(dynamic);
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}
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private static boolean isIglooPiece(final Dynamic<?> dynamic) {
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return dynamic.get("id").asString("").equals("Iglu");
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}
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}
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