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