Mirror von
https://github.com/IntellectualSites/FastAsyncWorldEdit.git
synchronisiert 2024-11-19 09:20:08 +01:00
chore: optimize FastSchematicReaderV3
Dieser Commit ist enthalten in:
Pierre Maurice Schwang
Ursprung
ced11b3623
Commit
408e6fe021
@ -21,7 +21,6 @@ import com.sk89q.worldedit.internal.util.LogManagerCompat;
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import com.sk89q.worldedit.math.BlockVector3;
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import com.sk89q.worldedit.math.Vector3;
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import com.sk89q.worldedit.util.Location;
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import com.sk89q.worldedit.util.concurrency.LazyReference;
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import com.sk89q.worldedit.util.nbt.CompoundBinaryTag;
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import com.sk89q.worldedit.world.DataFixer;
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import com.sk89q.worldedit.world.biome.BiomeType;
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@ -40,8 +39,10 @@ import java.io.DataInputStream;
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import java.io.FileInputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.util.HashSet;
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import java.util.Objects;
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import java.util.OptionalInt;
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import java.util.Set;
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import java.util.UUID;
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import java.util.function.BiConsumer;
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import java.util.function.BooleanSupplier;
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@ -53,13 +54,22 @@ import java.util.zip.GZIPInputStream;
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* Not necessarily much faster than {@link com.sk89q.worldedit.extent.clipboard.io.sponge.SpongeSchematicV3Reader}, but uses a
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* stream based approach to keep the memory overhead minimal (especially in larger schematics)
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*/
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/**
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* TODO: - Validate FileChannel reset performance (especially for network drive / remote backed storage)
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* TODO: ^ try to compare speed and memory / cpu usage when - instead of resetting the stream - caching the palette using LZ4 /
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* TODO ZSTD until other data is available
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* TODO: fix tile entity locations (+ validate entity location)
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*/
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@SuppressWarnings("removal") // JNBT
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public class FastSchematicReaderV3 implements ClipboardReader {
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private static final Logger LOGGER = LogManagerCompat.getLogger();
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private static final int CONTENT_DATA_TAGS = 3; // Blocks, Biomes, Entities
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private final InputStream resetableInputStream;
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private final MutableBlockVector3 dimensions = MutableBlockVector3.at(0, 0, 0);
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private final Set<String> remainingTags = new HashSet<>();
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private DataInputStream dataInputStream;
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private NBTInputStream nbtInputStream;
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@ -70,11 +80,6 @@ public class FastSchematicReaderV3 implements ClipboardReader {
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private BiomeType[] biomePalette;
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private int dataVersion = -1;
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private boolean blocksWritten = false;
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private boolean biomesWritten = false;
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private boolean entitiesWritten = false;
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private boolean needAdditionalIterate = true;
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public FastSchematicReaderV3(@NonNull InputStream stream) throws IOException {
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Objects.requireNonNull(stream, "stream");
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@ -92,107 +97,83 @@ public class FastSchematicReaderV3 implements ClipboardReader {
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public Clipboard read(final UUID uuid, final Function<BlockVector3, Clipboard> createOutput) throws IOException {
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Clipboard clipboard = null;
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while (needAdditionalIterate) {
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this.needAdditionalIterate = false;
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this.resetableInputStream.reset();
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this.resetableInputStream.mark(Integer.MAX_VALUE);
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final FastBufferedInputStream buffer = new FastBufferedInputStream(new GZIPInputStream(this.resetableInputStream));
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this.dataInputStream = new DataInputStream(buffer);
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this.nbtInputStream = new NBTInputStream(buffer);
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this.setSubStreams();
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skipHeader(this.dataInputStream);
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// Skip header
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dataInputStream.skipNBytes(1 + 2); // 1 Byte = TAG_Compound, 2 Bytes = Short (Length of tag name = "")
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dataInputStream.skipNBytes(1 + 2 + 9); // as above + 9 bytes = "Schematic"
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byte type;
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String tag;
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while ((type = dataInputStream.readByte()) != NBTConstants.TYPE_END) {
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tag = readTagName();
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switch (tag) {
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case "DataVersion" -> {
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this.dataVersion = this.dataInputStream.readInt();
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this.dataFixer = new VersionedDataFixer(
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this.dataVersion,
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WorldEdit
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.getInstance()
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.getPlatformManager()
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.queryCapability(Capability.WORLD_EDITING)
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.getDataFixer()
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);
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}
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case "Offset" -> readOffset();
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case "Width" -> this.dimensions.mutX(this.dataInputStream.readShort() & 0xFFFF);
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case "Height" -> this.dimensions.mutY(this.dataInputStream.readShort() & 0xFFFF);
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case "Length" -> this.dimensions.mutZ(this.dataInputStream.readShort() & 0xFFFF);
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case "Blocks" -> readBlocks(clipboard);
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case "Biomes" -> readBiomes(clipboard);
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case "Entities" -> readEntities(clipboard);
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default -> this.nbtInputStream.readTagPayloadLazy(type, 0);
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}
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if (clipboard == null && this.areDimensionsAvailable()) {
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clipboard = createOutput.apply(this.dimensions);
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}
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}
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byte type;
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if (clipboard == null) {
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throw new IOException("Invalid schematic - missing dimensions");
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}
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if (dataFixer == null) {
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throw new IOException("Invalid schematic - missing DataVersion");
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}
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outer:
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while (!this.remainingTags.isEmpty()) {
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this.reset();
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skipHeader(this.dataInputStream);
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while ((type = dataInputStream.readByte()) != NBTConstants.TYPE_END) {
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String tag = readTagName();
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tag = readTagName();
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if (!this.remainingTags.remove(tag)) {
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this.nbtInputStream.readTagPayloadLazy(type, 0);
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continue;
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}
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switch (tag) {
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case "Version" -> this.dataInputStream.skipNBytes(4); // We know it's v3 (skip 4 byte version int)
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case "DataVersion" -> {
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this.dataVersion = this.dataInputStream.readInt();
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this.dataFixer = new VersionedDataFixer(
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this.dataVersion,
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WorldEdit
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.getInstance()
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.getPlatformManager()
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.queryCapability(Capability.WORLD_EDITING)
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.getDataFixer()
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);
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}
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case "Width", "Height", "Length" -> {
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if (clipboard != null) {
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this.dataInputStream.skipNBytes(2); // Skip short value
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continue;
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}
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if (tag.equals("Width")) {
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this.dimensions.mutX(this.dataInputStream.readShort() & 0xFFFF);
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} else if (tag.equals("Height")) {
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this.dimensions.mutY(this.dataInputStream.readShort() & 0xFFFF);
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} else {
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this.dimensions.mutZ(this.dataInputStream.readShort() & 0xFFFF);
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}
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if (areDimensionsAvailable()) {
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clipboard = createOutput.apply(this.dimensions);
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}
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}
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case "Offset" -> {
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this.dataInputStream.skipNBytes(4); // Array Length field (4 byte int)
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this.offset = BlockVector3.at(
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this.dataInputStream.readInt(),
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this.dataInputStream.readInt(),
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this.dataInputStream.readInt()
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);
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}
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case "Metadata" -> this.nbtInputStream.readTagPayloadLazy(NBTConstants.TYPE_COMPOUND, 0); // Skip metadata
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case "Blocks" -> {
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if (clipboard == null) {
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needAdditionalIterate = true;
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this.nbtInputStream.readTagPayloadLazy(NBTConstants.TYPE_COMPOUND, 0);
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} else {
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this.readBlocks(clipboard);
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}
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}
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case "Biomes" -> {
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if (biomesWritten) {
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this.nbtInputStream.readTagPayloadLazy(NBTConstants.TYPE_COMPOUND, 0);
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continue;
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}
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if (clipboard == null) {
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needAdditionalIterate = true;
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} else {
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this.readBiomes(clipboard);
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}
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}
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case "Entities" -> {
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if (entitiesWritten) {
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this.nbtInputStream.readTagPayloadLazy(NBTConstants.TYPE_LIST, 0);
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continue;
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}
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if (clipboard == null) {
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needAdditionalIterate = true;
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this.nbtInputStream.readTagPayloadLazy(NBTConstants.TYPE_LIST, 0);
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} else {
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this.readEntities(clipboard);
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}
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}
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default -> {
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LOGGER.warn("Unknown tag {} with name {} - skipping", type, tag);
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this.nbtInputStream.readTagPayloadLazy(type, 0);
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}
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case "Blocks" -> readBlocks(clipboard);
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case "Biomes" -> readBiomes(clipboard);
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case "Entities" -> readEntities(clipboard);
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default -> this.nbtInputStream.readTagPayloadLazy(type, 0); // Should never happen, but just in case
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}
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if (this.remainingTags.isEmpty()) {
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break outer;
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}
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}
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}
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if (clipboard == null) {
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throw new NullPointerException("Failed to read schematic: Clipboard is null");
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}
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clipboard.setOrigin(this.offset.multiply().multiply(-1));
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clipboard.setOrigin(this.offset.multiply(-1));
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if (clipboard instanceof SimpleClipboard simpleClipboard && !this.offset.equals(BlockVector3.ZERO)) {
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clipboard = new BlockArrayClipboard(simpleClipboard, this.offset);
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}
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return clipboard;
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}
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private void readOffset() throws IOException {
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this.dataInputStream.skipNBytes(4); // Array Length field (4 byte int)
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this.offset = BlockVector3.at(
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this.dataInputStream.readInt(),
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this.dataInputStream.readInt(),
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this.dataInputStream.readInt()
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);
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}
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@Override
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public OptionalInt getDataVersion() {
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return this.dataVersion > -1 ? OptionalInt.of(this.dataVersion) : OptionalInt.empty();
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@ -213,9 +194,9 @@ public class FastSchematicReaderV3 implements ClipboardReader {
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}
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this.blockPalette = new BlockState[BlockTypesCache.states.length];
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readPalette(
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target != null,
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"Blocks",
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() -> this.blockPalette.length == 0,
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() -> this.blocksWritten,
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() -> this.blocksWritten = true,
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(value, index) -> {
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value = dataFixer.fixUp(DataFixer.FixTypes.BLOCK_STATE, value);
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try {
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@ -228,21 +209,24 @@ public class FastSchematicReaderV3 implements ClipboardReader {
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blockStateApplier,
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(type, tag) -> {
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if (!tag.equals("BlockEntities")) {
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LOGGER.warn("Found additional tag in block palette: {}. Will skip tag.", tag);
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LOGGER.warn("Found additional tag in block palette: {} (0x{}). Will skip tag.", tag, type);
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try {
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this.nbtInputStream.readTagPayloadLazy(type, 0);
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this.nbtInputStream.readTagPayloadLazy(NBTConstants.TYPE_LIST, 0);
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} catch (IOException e) {
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LOGGER.error("Failed to skip additional tag", e);
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}
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return;
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}
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try {
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// Can't write TileEntities if block itself are non-existent
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if (!blocksWritten) {
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needAdditionalIterate = true;
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this.nbtInputStream.readTagPayloadLazy(NBTConstants.TYPE_LIST, 0);
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return;
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if (target == null || dataFixer == null) {
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try {
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this.nbtInputStream.readTagPayloadLazy(type, 0);
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} catch (IOException e) {
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LOGGER.error("Failed to skip tile entities", e);
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}
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this.remainingTags.add("Blocks");
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return;
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}
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try {
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this.readTileEntities(target);
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} catch (IOException e) {
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LOGGER.warn("Failed to read tile entities", e);
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@ -266,9 +250,9 @@ public class FastSchematicReaderV3 implements ClipboardReader {
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}
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this.biomePalette = new BiomeType[BiomeType.REGISTRY.size()];
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readPalette(
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target != null,
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"Biomes",
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() -> this.biomePalette.length == 0,
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() -> this.biomesWritten,
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() -> this.biomesWritten = true,
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(value, index) -> {
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value = dataFixer.fixUp(DataFixer.FixTypes.BIOME, value);
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BiomeType biomeType = BiomeTypes.get(value);
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@ -280,11 +264,10 @@ public class FastSchematicReaderV3 implements ClipboardReader {
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},
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biomeApplier,
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(type, tag) -> {
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LOGGER.warn("Found additional tag in biome palette: {}. Will skip tag.", tag);
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try {
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this.nbtInputStream.readTagPayloadLazy(type, 0);
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} catch (IOException e) {
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LOGGER.error("Failed to skip additional tag", e);
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LOGGER.error("Failed to skip additional tag in biome container: {}", tag, e);
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}
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}
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);
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@ -311,10 +294,14 @@ public class FastSchematicReaderV3 implements ClipboardReader {
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LOGGER.warn("Failed to create entity - does the clipboard support entities?");
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}
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});
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this.entitiesWritten = true;
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}
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private void readTileEntities(Clipboard target) throws IOException {
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if (target == null || this.dataFixer == null) {
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this.nbtInputStream.readTagPayloadLazy(NBTConstants.TYPE_LIST, 0);
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this.remainingTags.add("Entities");
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return;
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}
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if (this.dataInputStream.read() != NBTConstants.TYPE_COMPOUND) {
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throw new IOException("Expected a compound block for tile entity");
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}
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@ -402,9 +389,9 @@ public class FastSchematicReaderV3 implements ClipboardReader {
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* @param paletteDataApplier Invoked for each 'Data' entry using the data index and the palette index at the data index
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*/
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private void readPalette(
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boolean hasClipboard,
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String rootTag,
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BooleanSupplier paletteAlreadyInitialized,
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BooleanSupplier dataAlreadyWritten,
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Runnable firstWrite,
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BiConsumer<String, Character> paletteInitializer,
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BiConsumer<Integer, Character> paletteDataApplier,
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BiConsumer<Byte, String> additionalTag
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@ -418,37 +405,41 @@ public class FastSchematicReaderV3 implements ClipboardReader {
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if (hasPalette) {
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// Skip palette, as already exists
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this.nbtInputStream.readTagPayloadLazy(NBTConstants.TYPE_COMPOUND, 0);
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} else {
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// Read all palette entries
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while (this.dataInputStream.readByte() != NBTConstants.TYPE_END) {
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String value = this.dataInputStream.readUTF();
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char index = (char) this.dataInputStream.readInt();
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paletteInitializer.accept(value, index);
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}
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hasPalette = true;
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continue;
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}
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if (this.dataFixer == null) {
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this.remainingTags.add(rootTag);
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this.nbtInputStream.readTagPayloadLazy(NBTConstants.TYPE_COMPOUND, 0);
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continue;
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}
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// Read all palette entries
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while (this.dataInputStream.readByte() != NBTConstants.TYPE_END) {
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String value = this.dataInputStream.readUTF();
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char index = (char) this.dataInputStream.readInt();
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paletteInitializer.accept(value, index);
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}
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hasPalette = true;
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continue;
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}
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if (tag.equals("Data")) {
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if (dataAlreadyWritten.getAsBoolean()) {
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// Skip data, as already written
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// No palette or dimensions are yet available - will need to read Data next round
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if (!hasPalette || this.dataFixer == null || !hasClipboard) {
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this.remainingTags.add(rootTag); // mark for read next iteration
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this.nbtInputStream.readTagPayloadLazy(NBTConstants.TYPE_BYTE_ARRAY, 0);
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continue;
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}
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// No palette or dimensions are yet available - will need to read Data next round
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if (!hasPalette || !areDimensionsAvailable()) {
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this.needAdditionalIterate = true;
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this.nbtInputStream.readTagPayloadLazy(NBTConstants.TYPE_BYTE_ARRAY, 0);
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return;
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}
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int length = this.dataInputStream.readInt();
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// Write data into clipboard
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firstWrite.run();
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int i = 0;
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for (var iter = new VarIntStreamIterator(this.dataInputStream, length); iter.hasNext(); i++) {
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paletteDataApplier.accept(i, (char) iter.nextInt());
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if (needsVarIntReading(length)) {
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for (var iter = new VarIntStreamIterator(this.dataInputStream, length); iter.hasNext(); i++) {
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paletteDataApplier.accept(i, (char) iter.nextInt());
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}
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continue;
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}
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while (i < length) {
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paletteDataApplier.accept(i++, (char) this.dataInputStream.readUnsignedByte());
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}
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continue;
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}
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additionalTag.accept(type, tag);
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}
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@ -467,4 +458,31 @@ public class FastSchematicReaderV3 implements ClipboardReader {
|
||||
resetableInputStream.close(); // closes all underlying resources implicitly
|
||||
}
|
||||
|
||||
private void setSubStreams() throws IOException {
|
||||
final FastBufferedInputStream buffer = new FastBufferedInputStream(new GZIPInputStream(this.resetableInputStream));
|
||||
this.dataInputStream = new DataInputStream(buffer);
|
||||
this.nbtInputStream = new NBTInputStream(buffer);
|
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}
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||||
|
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private void reset() throws IOException {
|
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this.resetableInputStream.reset();
|
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this.resetableInputStream.mark(Integer.MAX_VALUE);
|
||||
this.setSubStreams();
|
||||
}
|
||||
|
||||
private boolean needsVarIntReading(int byteArrayLength) {
|
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return byteArrayLength > this.dimensions.x() * this.dimensions.y() * this.dimensions.z();
|
||||
}
|
||||
|
||||
/**
|
||||
* Skips the schematic header including the root compound (empty name) and the root's child compound ("Schematic")
|
||||
*
|
||||
* @param dataInputStream The stream containing the schematic data to skip
|
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* @throws IOException on I/O error
|
||||
*/
|
||||
private static void skipHeader(DataInputStream dataInputStream) throws IOException {
|
||||
dataInputStream.skipNBytes(1 + 2); // 1 Byte = TAG_Compound, 2 Bytes = Short (Length of tag name = "")
|
||||
dataInputStream.skipNBytes(1 + 2 + 9); // as above + 9 bytes = "Schematic"
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
Laden…
In neuem Issue referenzieren
Einen Benutzer sperren