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

53 lines
1.7 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.serialization.Dynamic;
import java.util.ArrayList;
import java.util.List;
import java.util.Optional;
import java.util.Set;
import java.util.stream.Collectors;
public class FeatureFlagRemoveFix extends DataFix {
private final String name;
private final Set<String> flagsToRemove;
public FeatureFlagRemoveFix(Schema outputSchema, String name, Set<String> flagsToRemove) {
super(outputSchema, false);
this.name = name;
this.flagsToRemove = flagsToRemove;
}
@Override
protected TypeRewriteRule makeRule() {
return this.fixTypeEverywhereTyped(this.name, this.getInputSchema().getType(References.LEVEL), typed -> typed.update(DSL.remainderFinder(), this::fixTag));
}
private <T> Dynamic<T> fixTag(Dynamic<T> tag) {
List<Dynamic<T>> list = (List<Dynamic<T>>)tag.get("removed_features").asStream().collect(Collectors.toCollection(ArrayList::new));
Dynamic<T> dynamic = tag.update(
"enabled_features", dynamic2 -> DataFixUtils.orElse(dynamic2.asStreamOpt().result().map(stream -> stream.filter(dynamic2x -> {
Optional<String> optional = dynamic2x.asString().result();
if (optional.isEmpty()) {
return true;
} else {
boolean bl = this.flagsToRemove.contains(optional.get());
if (bl) {
list.add(tag.createString((String)optional.get()));
}
return !bl;
}
})).map(tag::createList), dynamic2)
);
if (!list.isEmpty()) {
dynamic = dynamic.set("removed_features", tag.createList(list.stream()));
}
return dynamic;
}
}