minecraft-src/net/minecraft/util/datafix/fixes/AbstractPoiSectionFix.java
2025-07-04 01:41:11 +03:00

45 lines
1.6 KiB
Java

package net.minecraft.util.datafix.fixes;
import com.mojang.datafixers.DSL;
import com.mojang.datafixers.DataFix;
import com.mojang.datafixers.DataFixUtils;
import com.mojang.datafixers.TypeRewriteRule;
import com.mojang.datafixers.schemas.Schema;
import com.mojang.datafixers.types.Type;
import com.mojang.datafixers.util.Pair;
import com.mojang.serialization.Dynamic;
import java.util.Objects;
import java.util.stream.Stream;
public abstract class AbstractPoiSectionFix extends DataFix {
private final String name;
public AbstractPoiSectionFix(Schema outputSchema, String name) {
super(outputSchema, false);
this.name = name;
}
@Override
protected TypeRewriteRule makeRule() {
Type<Pair<String, Dynamic<?>>> type = DSL.named(References.POI_CHUNK.typeName(), DSL.remainderType());
if (!Objects.equals(type, this.getInputSchema().getType(References.POI_CHUNK))) {
throw new IllegalStateException("Poi type is not what was expected.");
} else {
return this.fixTypeEverywhere(this.name, type, dynamicOps -> pair -> pair.mapSecond(this::cap));
}
}
private <T> Dynamic<T> cap(Dynamic<T> dynamic) {
return dynamic.update("Sections", dynamicx -> dynamicx.updateMapValues(pair -> pair.mapSecond(this::processSection)));
}
private Dynamic<?> processSection(Dynamic<?> dynamic) {
return dynamic.update("Records", this::processSectionRecords);
}
private <T> Dynamic<T> processSectionRecords(Dynamic<T> dynamic) {
return DataFixUtils.orElse(dynamic.asStreamOpt().result().map(stream -> dynamic.createList(this.processRecords(stream))), dynamic);
}
protected abstract <T> Stream<Dynamic<T>> processRecords(Stream<Dynamic<T>> records);
}