38 lines
1.5 KiB
Java
38 lines
1.5 KiB
Java
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package net.minecraft.util.datafix.fixes;
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import com.mojang.datafixers.DataFix;
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import com.mojang.datafixers.OpticFinder;
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import com.mojang.datafixers.TypeRewriteRule;
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import com.mojang.datafixers.Typed;
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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.serialization.Dynamic;
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import java.util.Map;
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import net.minecraft.nbt.NbtFormatException;
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public class WorldGenSettingsDisallowOldCustomWorldsFix extends DataFix {
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public WorldGenSettingsDisallowOldCustomWorldsFix(Schema p_185157_) {
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super(p_185157_, false);
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}
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@Override
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protected TypeRewriteRule makeRule() {
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Type<?> type = this.getInputSchema().getType(References.WORLD_GEN_SETTINGS);
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OpticFinder<?> opticfinder = type.findField("dimensions");
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return this.fixTypeEverywhereTyped(
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"WorldGenSettingsDisallowOldCustomWorldsFix_" + this.getOutputSchema().getVersionKey(),
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type,
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p_185160_ -> p_185160_.updateTyped(opticfinder, p_326665_ -> {
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p_326665_.write().map(p_326664_ -> p_326664_.getMapValues().map(p_185169_ -> {
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p_185169_.forEach((p_326662_, p_326663_) -> {
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if (p_326663_.get("type").asString().result().isEmpty()) {
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throw new NbtFormatException("Unable load old custom worlds.");
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}
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});
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return p_185169_;
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}));
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return p_326665_;
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})
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);
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}
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}
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