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