34 lines
1.4 KiB
Java
34 lines
1.4 KiB
Java
package net.minecraft.data.structures;
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import com.mojang.logging.LogUtils;
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import net.minecraft.core.registries.BuiltInRegistries;
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import net.minecraft.nbt.CompoundTag;
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import net.minecraft.nbt.NbtUtils;
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import net.minecraft.server.packs.PackType;
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import net.minecraft.util.datafix.DataFixTypes;
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import net.minecraft.util.datafix.DataFixers;
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import net.minecraft.world.level.levelgen.structure.templatesystem.StructureTemplate;
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import org.slf4j.Logger;
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public class StructureUpdater implements SnbtToNbt.Filter {
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private static final Logger LOGGER = LogUtils.getLogger();
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private static final String PREFIX = PackType.SERVER_DATA.getDirectory() + "/minecraft/structure/";
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@Override
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public CompoundTag apply(String string, CompoundTag compoundTag) {
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return string.startsWith(PREFIX) ? update(string, compoundTag) : compoundTag;
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}
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public static CompoundTag update(String structureLocationPath, CompoundTag tag) {
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StructureTemplate structureTemplate = new StructureTemplate();
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int i = NbtUtils.getDataVersion(tag, 500);
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int j = 4420;
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if (i < 4420) {
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LOGGER.warn("SNBT Too old, do not forget to update: {} < {}: {}", i, 4420, structureLocationPath);
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}
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CompoundTag compoundTag = DataFixTypes.STRUCTURE.updateToCurrentVersion(DataFixers.getDataFixer(), tag, i);
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structureTemplate.load(BuiltInRegistries.BLOCK, compoundTag);
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return structureTemplate.save(new CompoundTag());
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}
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}
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