47 lines
1.7 KiB
Java
47 lines
1.7 KiB
Java
package net.minecraft.util.datafix.fixes;
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import com.google.common.collect.ImmutableMap;
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import com.google.common.collect.Maps;
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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.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.Map;
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import java.util.Objects;
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import java.util.Optional;
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public class ReorganizePoi extends DataFix {
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public ReorganizePoi(Schema outputSchema, boolean changesType) {
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super(outputSchema, changesType);
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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("POI reorganization", type, dynamicOps -> pair -> pair.mapSecond(ReorganizePoi::cap));
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}
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}
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private static <T> Dynamic<T> cap(Dynamic<T> dynamic) {
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Map<Dynamic<T>, Dynamic<T>> map = Maps.<Dynamic<T>, Dynamic<T>>newHashMap();
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for (int i = 0; i < 16; i++) {
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String string = String.valueOf(i);
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Optional<Dynamic<T>> optional = dynamic.get(string).result();
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if (optional.isPresent()) {
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Dynamic<T> dynamic2 = (Dynamic<T>)optional.get();
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Dynamic<T> dynamic3 = dynamic.createMap(ImmutableMap.of(dynamic.createString("Records"), dynamic2));
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map.put(dynamic.createString(Integer.toString(i)), dynamic3);
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dynamic = dynamic.remove(string);
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}
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}
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return dynamic.set("Sections", dynamic.createMap(map));
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}
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}
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