minecraft-source/src/net/minecraft/util/datafix/fixes/IglooMetadataRemovalFix.java

39 lines
1.7 KiB
Java

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