550 lines
18 KiB
Java
550 lines
18 KiB
Java
package net.minecraft.nbt;
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import com.google.common.annotations.VisibleForTesting;
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import com.google.common.base.Splitter;
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import com.google.common.base.Strings;
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import com.google.common.collect.Comparators;
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import com.google.common.collect.ImmutableMap;
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import com.google.common.collect.Lists;
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import com.mojang.brigadier.exceptions.CommandSyntaxException;
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import com.mojang.logging.LogUtils;
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import com.mojang.serialization.Codec;
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import com.mojang.serialization.Dynamic;
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import it.unimi.dsi.fastutil.objects.Object2IntMap;
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import it.unimi.dsi.fastutil.objects.Object2IntOpenHashMap;
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import java.util.Collections;
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import java.util.Comparator;
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import java.util.List;
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import java.util.Locale;
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import java.util.Map;
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import java.util.Optional;
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import java.util.Map.Entry;
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import java.util.function.Function;
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import java.util.stream.Collectors;
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import net.minecraft.SharedConstants;
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import net.minecraft.core.Holder;
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import net.minecraft.core.HolderGetter;
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import net.minecraft.core.registries.BuiltInRegistries;
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import net.minecraft.core.registries.Registries;
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import net.minecraft.network.chat.Component;
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import net.minecraft.resources.ResourceKey;
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import net.minecraft.world.level.block.Block;
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import net.minecraft.world.level.block.Blocks;
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import net.minecraft.world.level.block.state.BlockState;
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import net.minecraft.world.level.block.state.StateDefinition;
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import net.minecraft.world.level.block.state.StateHolder;
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import net.minecraft.world.level.block.state.properties.Property;
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import net.minecraft.world.level.material.FluidState;
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import org.jetbrains.annotations.Nullable;
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import org.slf4j.Logger;
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public final class NbtUtils {
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private static final Comparator<ListTag> YXZ_LISTTAG_INT_COMPARATOR = Comparator.comparingInt(listTag -> listTag.getIntOr(1, 0))
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.thenComparingInt(listTag -> listTag.getIntOr(0, 0))
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.thenComparingInt(listTag -> listTag.getIntOr(2, 0));
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private static final Comparator<ListTag> YXZ_LISTTAG_DOUBLE_COMPARATOR = Comparator.comparingDouble(listTag -> listTag.getDoubleOr(1, 0.0))
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.thenComparingDouble(listTag -> listTag.getDoubleOr(0, 0.0))
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.thenComparingDouble(listTag -> listTag.getDoubleOr(2, 0.0));
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private static final Codec<ResourceKey<Block>> BLOCK_NAME_CODEC = ResourceKey.codec(Registries.BLOCK);
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public static final String SNBT_DATA_TAG = "data";
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private static final char PROPERTIES_START = '{';
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private static final char PROPERTIES_END = '}';
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private static final String ELEMENT_SEPARATOR = ",";
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private static final char KEY_VALUE_SEPARATOR = ':';
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private static final Splitter COMMA_SPLITTER = Splitter.on(",");
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private static final Splitter COLON_SPLITTER = Splitter.on(':').limit(2);
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private static final Logger LOGGER = LogUtils.getLogger();
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private static final int INDENT = 2;
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private static final int NOT_FOUND = -1;
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private NbtUtils() {
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}
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@VisibleForTesting
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public static boolean compareNbt(@Nullable Tag tag, @Nullable Tag other, boolean compareListTag) {
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if (tag == other) {
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return true;
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} else if (tag == null) {
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return true;
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} else if (other == null) {
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return false;
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} else if (!tag.getClass().equals(other.getClass())) {
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return false;
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} else if (tag instanceof CompoundTag compoundTag) {
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CompoundTag compoundTag2 = (CompoundTag)other;
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if (compoundTag2.size() < compoundTag.size()) {
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return false;
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} else {
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for (Entry<String, Tag> entry : compoundTag.entrySet()) {
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Tag tag2 = (Tag)entry.getValue();
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if (!compareNbt(tag2, compoundTag2.get((String)entry.getKey()), compareListTag)) {
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return false;
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}
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}
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return true;
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}
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} else if (tag instanceof ListTag listTag && compareListTag) {
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ListTag listTag2 = (ListTag)other;
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if (listTag.isEmpty()) {
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return listTag2.isEmpty();
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} else if (listTag2.size() < listTag.size()) {
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return false;
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} else {
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for (Tag tag3 : listTag) {
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boolean bl = false;
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for (Tag tag4 : listTag2) {
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if (compareNbt(tag3, tag4, compareListTag)) {
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bl = true;
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break;
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}
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}
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if (!bl) {
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return false;
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}
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}
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return true;
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}
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} else {
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return tag.equals(other);
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}
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}
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public static BlockState readBlockState(HolderGetter<Block> blockGetter, CompoundTag tag) {
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Optional<? extends Holder<Block>> optional = tag.read("Name", BLOCK_NAME_CODEC).flatMap(blockGetter::get);
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if (optional.isEmpty()) {
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return Blocks.AIR.defaultBlockState();
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} else {
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Block block = (Block)((Holder)optional.get()).value();
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BlockState blockState = block.defaultBlockState();
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Optional<CompoundTag> optional2 = tag.getCompound("Properties");
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if (optional2.isPresent()) {
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StateDefinition<Block, BlockState> stateDefinition = block.getStateDefinition();
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for (String string : ((CompoundTag)optional2.get()).keySet()) {
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Property<?> property = stateDefinition.getProperty(string);
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if (property != null) {
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blockState = setValueHelper(blockState, property, string, (CompoundTag)optional2.get(), tag);
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}
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}
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}
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return blockState;
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}
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}
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private static <S extends StateHolder<?, S>, T extends Comparable<T>> S setValueHelper(
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S stateHolder, Property<T> property, String propertyName, CompoundTag propertiesTag, CompoundTag blockStateTag
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) {
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Optional<T> optional = propertiesTag.getString(propertyName).flatMap(property::getValue);
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if (optional.isPresent()) {
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return stateHolder.setValue(property, (Comparable)optional.get());
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} else {
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LOGGER.warn("Unable to read property: {} with value: {} for blockstate: {}", propertyName, propertiesTag.get(propertyName), blockStateTag);
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return stateHolder;
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}
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}
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public static CompoundTag writeBlockState(BlockState state) {
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CompoundTag compoundTag = new CompoundTag();
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compoundTag.putString("Name", BuiltInRegistries.BLOCK.getKey(state.getBlock()).toString());
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Map<Property<?>, Comparable<?>> map = state.getValues();
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if (!map.isEmpty()) {
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CompoundTag compoundTag2 = new CompoundTag();
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for (Entry<Property<?>, Comparable<?>> entry : map.entrySet()) {
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Property<?> property = (Property<?>)entry.getKey();
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compoundTag2.putString(property.getName(), getName(property, (Comparable<?>)entry.getValue()));
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}
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compoundTag.put("Properties", compoundTag2);
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}
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return compoundTag;
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}
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public static CompoundTag writeFluidState(FluidState state) {
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CompoundTag compoundTag = new CompoundTag();
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compoundTag.putString("Name", BuiltInRegistries.FLUID.getKey(state.getType()).toString());
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Map<Property<?>, Comparable<?>> map = state.getValues();
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if (!map.isEmpty()) {
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CompoundTag compoundTag2 = new CompoundTag();
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for (Entry<Property<?>, Comparable<?>> entry : map.entrySet()) {
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Property<?> property = (Property<?>)entry.getKey();
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compoundTag2.putString(property.getName(), getName(property, (Comparable<?>)entry.getValue()));
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}
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compoundTag.put("Properties", compoundTag2);
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}
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return compoundTag;
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}
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private static <T extends Comparable<T>> String getName(Property<T> property, Comparable<?> value) {
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return property.getName((T)value);
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}
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public static String prettyPrint(Tag tag) {
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return prettyPrint(tag, false);
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}
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public static String prettyPrint(Tag tag, boolean prettyPrintArray) {
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return prettyPrint(new StringBuilder(), tag, 0, prettyPrintArray).toString();
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}
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public static StringBuilder prettyPrint(StringBuilder stringBuilder, Tag tag, int indentLevel, boolean prettyPrintArray) {
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return switch (tag) {
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case PrimitiveTag primitiveTag -> stringBuilder.append(primitiveTag);
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case EndTag endTag -> stringBuilder;
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case ByteArrayTag byteArrayTag -> {
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byte[] bs = byteArrayTag.getAsByteArray();
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int i = bs.length;
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indent(indentLevel, stringBuilder).append("byte[").append(i).append("] {\n");
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if (prettyPrintArray) {
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indent(indentLevel + 1, stringBuilder);
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for (int j = 0; j < bs.length; j++) {
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if (j != 0) {
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stringBuilder.append(',');
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}
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if (j % 16 == 0 && j / 16 > 0) {
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stringBuilder.append('\n');
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if (j < bs.length) {
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indent(indentLevel + 1, stringBuilder);
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}
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} else if (j != 0) {
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stringBuilder.append(' ');
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}
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stringBuilder.append(String.format(Locale.ROOT, "0x%02X", bs[j] & 255));
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}
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} else {
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indent(indentLevel + 1, stringBuilder).append(" // Skipped, supply withBinaryBlobs true");
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}
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stringBuilder.append('\n');
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indent(indentLevel, stringBuilder).append('}');
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yield stringBuilder;
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}
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case ListTag listTag -> {
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int i = listTag.size();
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indent(indentLevel, stringBuilder).append("list").append("[").append(i).append("] [");
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if (i != 0) {
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stringBuilder.append('\n');
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}
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for (int j = 0; j < i; j++) {
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if (j != 0) {
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stringBuilder.append(",\n");
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}
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indent(indentLevel + 1, stringBuilder);
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prettyPrint(stringBuilder, listTag.get(j), indentLevel + 1, prettyPrintArray);
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}
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if (i != 0) {
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stringBuilder.append('\n');
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}
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indent(indentLevel, stringBuilder).append(']');
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yield stringBuilder;
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}
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case IntArrayTag intArrayTag -> {
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int[] is = intArrayTag.getAsIntArray();
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int k = 0;
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for (int l : is) {
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k = Math.max(k, String.format(Locale.ROOT, "%X", l).length());
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}
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int m = is.length;
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indent(indentLevel, stringBuilder).append("int[").append(m).append("] {\n");
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if (prettyPrintArray) {
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indent(indentLevel + 1, stringBuilder);
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for (int n = 0; n < is.length; n++) {
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if (n != 0) {
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stringBuilder.append(',');
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}
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if (n % 16 == 0 && n / 16 > 0) {
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stringBuilder.append('\n');
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if (n < is.length) {
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indent(indentLevel + 1, stringBuilder);
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}
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} else if (n != 0) {
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stringBuilder.append(' ');
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}
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stringBuilder.append(String.format(Locale.ROOT, "0x%0" + k + "X", is[n]));
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}
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} else {
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indent(indentLevel + 1, stringBuilder).append(" // Skipped, supply withBinaryBlobs true");
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}
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stringBuilder.append('\n');
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indent(indentLevel, stringBuilder).append('}');
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yield stringBuilder;
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}
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case CompoundTag compoundTag -> {
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List<String> list = Lists.<String>newArrayList(compoundTag.keySet());
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Collections.sort(list);
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indent(indentLevel, stringBuilder).append('{');
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if (stringBuilder.length() - stringBuilder.lastIndexOf("\n") > 2 * (indentLevel + 1)) {
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stringBuilder.append('\n');
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indent(indentLevel + 1, stringBuilder);
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}
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int m = list.stream().mapToInt(String::length).max().orElse(0);
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String string = Strings.repeat(" ", m);
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for (int o = 0; o < list.size(); o++) {
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if (o != 0) {
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stringBuilder.append(",\n");
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}
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String string2 = (String)list.get(o);
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indent(indentLevel + 1, stringBuilder).append('"').append(string2).append('"').append(string, 0, string.length() - string2.length()).append(": ");
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prettyPrint(stringBuilder, compoundTag.get(string2), indentLevel + 1, prettyPrintArray);
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}
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if (!list.isEmpty()) {
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stringBuilder.append('\n');
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}
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indent(indentLevel, stringBuilder).append('}');
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yield stringBuilder;
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}
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case LongArrayTag longArrayTag -> {
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long[] ls = longArrayTag.getAsLongArray();
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long p = 0L;
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for (long q : ls) {
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p = Math.max(p, String.format(Locale.ROOT, "%X", q).length());
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}
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long r = ls.length;
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indent(indentLevel, stringBuilder).append("long[").append(r).append("] {\n");
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if (prettyPrintArray) {
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indent(indentLevel + 1, stringBuilder);
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for (int s = 0; s < ls.length; s++) {
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if (s != 0) {
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stringBuilder.append(',');
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}
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if (s % 16 == 0 && s / 16 > 0) {
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stringBuilder.append('\n');
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if (s < ls.length) {
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indent(indentLevel + 1, stringBuilder);
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}
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} else if (s != 0) {
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stringBuilder.append(' ');
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}
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stringBuilder.append(String.format(Locale.ROOT, "0x%0" + p + "X", ls[s]));
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}
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} else {
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indent(indentLevel + 1, stringBuilder).append(" // Skipped, supply withBinaryBlobs true");
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}
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stringBuilder.append('\n');
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indent(indentLevel, stringBuilder).append('}');
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yield stringBuilder;
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}
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default -> throw new MatchException(null, null);
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};
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}
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private static StringBuilder indent(int indentLevel, StringBuilder stringBuilder) {
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int i = stringBuilder.lastIndexOf("\n") + 1;
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int j = stringBuilder.length() - i;
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for (int k = 0; k < 2 * indentLevel - j; k++) {
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stringBuilder.append(' ');
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}
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return stringBuilder;
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}
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public static Component toPrettyComponent(Tag tag) {
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return new TextComponentTagVisitor("").visit(tag);
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}
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public static String structureToSnbt(CompoundTag tag) {
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return new SnbtPrinterTagVisitor().visit(packStructureTemplate(tag));
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}
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public static CompoundTag snbtToStructure(String text) throws CommandSyntaxException {
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return unpackStructureTemplate(TagParser.parseCompoundFully(text));
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}
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@VisibleForTesting
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static CompoundTag packStructureTemplate(CompoundTag tag) {
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Optional<ListTag> optional = tag.getList("palettes");
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ListTag listTag;
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if (optional.isPresent()) {
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listTag = ((ListTag)optional.get()).getListOrEmpty(0);
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} else {
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listTag = tag.getListOrEmpty("palette");
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}
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ListTag listTag2 = (ListTag)listTag.compoundStream().map(NbtUtils::packBlockState).map(StringTag::valueOf).collect(Collectors.toCollection(ListTag::new));
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tag.put("palette", listTag2);
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if (optional.isPresent()) {
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ListTag listTag3 = new ListTag();
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((ListTag)optional.get()).stream().flatMap(tagx -> tagx.asList().stream()).forEach(listTag3x -> {
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CompoundTag compoundTag = new CompoundTag();
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for (int i = 0; i < listTag3x.size(); i++) {
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compoundTag.putString((String)listTag2.getString(i).orElseThrow(), packBlockState((CompoundTag)listTag3x.getCompound(i).orElseThrow()));
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}
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listTag3.add(compoundTag);
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});
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tag.put("palettes", listTag3);
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}
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Optional<ListTag> optional2 = tag.getList("entities");
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if (optional2.isPresent()) {
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ListTag listTag4 = (ListTag)((ListTag)optional2.get())
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.compoundStream()
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.sorted(Comparator.comparing(compoundTag -> compoundTag.getList("pos"), Comparators.emptiesLast(YXZ_LISTTAG_DOUBLE_COMPARATOR)))
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.collect(Collectors.toCollection(ListTag::new));
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tag.put("entities", listTag4);
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}
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ListTag listTag4 = (ListTag)tag.getList("blocks")
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.stream()
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.flatMap(ListTag::compoundStream)
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.sorted(Comparator.comparing(compoundTag -> compoundTag.getList("pos"), Comparators.emptiesLast(YXZ_LISTTAG_INT_COMPARATOR)))
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.peek(compoundTag -> compoundTag.putString("state", (String)listTag2.getString(compoundTag.getIntOr("state", 0)).orElseThrow()))
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.collect(Collectors.toCollection(ListTag::new));
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tag.put("data", listTag4);
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tag.remove("blocks");
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return tag;
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}
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@VisibleForTesting
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static CompoundTag unpackStructureTemplate(CompoundTag tag) {
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ListTag listTag = tag.getListOrEmpty("palette");
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Map<String, Tag> map = (Map<String, Tag>)listTag.stream()
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.flatMap(tagx -> tagx.asString().stream())
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.collect(ImmutableMap.toImmutableMap(Function.identity(), NbtUtils::unpackBlockState));
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Optional<ListTag> optional = tag.getList("palettes");
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if (optional.isPresent()) {
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tag.put(
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"palettes",
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(Tag)((ListTag)optional.get())
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.compoundStream()
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.map(
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compoundTagx -> (ListTag)map.keySet()
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.stream()
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.map(stringx -> (String)compoundTagx.getString(stringx).orElseThrow())
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.map(NbtUtils::unpackBlockState)
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.collect(Collectors.toCollection(ListTag::new))
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)
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.collect(Collectors.toCollection(ListTag::new))
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);
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tag.remove("palette");
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} else {
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tag.put("palette", (Tag)map.values().stream().collect(Collectors.toCollection(ListTag::new)));
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}
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Optional<ListTag> optional2 = tag.getList("data");
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if (optional2.isPresent()) {
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Object2IntMap<String> object2IntMap = new Object2IntOpenHashMap<>();
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object2IntMap.defaultReturnValue(-1);
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for (int i = 0; i < listTag.size(); i++) {
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object2IntMap.put((String)listTag.getString(i).orElseThrow(), i);
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}
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ListTag listTag2 = (ListTag)optional2.get();
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for (int j = 0; j < listTag2.size(); j++) {
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CompoundTag compoundTag = (CompoundTag)listTag2.getCompound(j).orElseThrow();
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String string = (String)compoundTag.getString("state").orElseThrow();
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int k = object2IntMap.getInt(string);
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if (k == -1) {
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throw new IllegalStateException("Entry " + string + " missing from palette");
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}
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compoundTag.putInt("state", k);
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}
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tag.put("blocks", listTag2);
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tag.remove("data");
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}
|
|
|
|
return tag;
|
|
}
|
|
|
|
@VisibleForTesting
|
|
static String packBlockState(CompoundTag tag) {
|
|
StringBuilder stringBuilder = new StringBuilder((String)tag.getString("Name").orElseThrow());
|
|
tag.getCompound("Properties")
|
|
.ifPresent(
|
|
compoundTag -> {
|
|
String string = (String)compoundTag.entrySet()
|
|
.stream()
|
|
.sorted(Entry.comparingByKey())
|
|
.map(entry -> (String)entry.getKey() + ":" + (String)((Tag)entry.getValue()).asString().orElseThrow())
|
|
.collect(Collectors.joining(","));
|
|
stringBuilder.append('{').append(string).append('}');
|
|
}
|
|
);
|
|
return stringBuilder.toString();
|
|
}
|
|
|
|
@VisibleForTesting
|
|
static CompoundTag unpackBlockState(String blockStateText) {
|
|
CompoundTag compoundTag = new CompoundTag();
|
|
int i = blockStateText.indexOf(123);
|
|
String string;
|
|
if (i >= 0) {
|
|
string = blockStateText.substring(0, i);
|
|
CompoundTag compoundTag2 = new CompoundTag();
|
|
if (i + 2 <= blockStateText.length()) {
|
|
String string2 = blockStateText.substring(i + 1, blockStateText.indexOf(125, i));
|
|
COMMA_SPLITTER.split(string2).forEach(string2x -> {
|
|
List<String> list = COLON_SPLITTER.splitToList(string2x);
|
|
if (list.size() == 2) {
|
|
compoundTag2.putString((String)list.get(0), (String)list.get(1));
|
|
} else {
|
|
LOGGER.error("Something went wrong parsing: '{}' -- incorrect gamedata!", blockStateText);
|
|
}
|
|
});
|
|
compoundTag.put("Properties", compoundTag2);
|
|
}
|
|
} else {
|
|
string = blockStateText;
|
|
}
|
|
|
|
compoundTag.putString("Name", string);
|
|
return compoundTag;
|
|
}
|
|
|
|
public static CompoundTag addCurrentDataVersion(CompoundTag tag) {
|
|
int i = SharedConstants.getCurrentVersion().getDataVersion().getVersion();
|
|
return addDataVersion(tag, i);
|
|
}
|
|
|
|
public static CompoundTag addDataVersion(CompoundTag tag, int dataVersion) {
|
|
tag.putInt("DataVersion", dataVersion);
|
|
return tag;
|
|
}
|
|
|
|
public static int getDataVersion(CompoundTag tag, int defaultValue) {
|
|
return tag.getIntOr("DataVersion", defaultValue);
|
|
}
|
|
|
|
public static int getDataVersion(Dynamic<?> tag, int defaultValue) {
|
|
return tag.get("DataVersion").asInt(defaultValue);
|
|
}
|
|
}
|