spdis/voxy
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Fix issues with world importer

Browse Source
This commit is contained in:
mcrcortex
2025-04-14 01:18:50 +10:00
parent f98ee30491
commit 5163cbd26e
1 changed files with 25 additions and 16 deletions
Download Patch File Download Diff File Expand all files Collapse all files

41
src/main/java/me/cortex/voxy/commonImpl/importers/WorldImporter.java
View File

@@ -61,7 +61,7 @@ public class WorldImporter implements IDataImporter {
public WorldImporter(WorldEngine worldEngine, World mcWorld, ServiceThreadPool servicePool, BooleanSupplier runChecker) {
this.world = worldEngine;
this.threadPool = servicePool.createServiceNoCleanup("World importer", 1, ()->()->this.jobQueue.poll().run(), runChecker);
this.threadPool = servicePool.createServiceNoCleanup("World importer", 3, ()->()->this.jobQueue.poll().run(), runChecker);
var biomeRegistry = mcWorld.getRegistryManager().getOrThrow(RegistryKeys.BIOME);
var defaultBiome = biomeRegistry.getOrThrow(BiomeKeys.PLAINS);
@@ -191,6 +191,9 @@ public class WorldImporter implements IDataImporter {
regions.add(entry);
}
this.importRegionsAsync(regions.toArray(ZipArchiveEntry[]::new), (entry)->{
if (entry.getSize() == 0) {
return;
}
var buf = new MemoryBuffer(entry.getSize());
try (var channel = Channels.newChannel(file.getInputStream(entry))) {
if (channel.read(buf.asByteBuffer()) != buf.size) {
@@ -274,6 +277,9 @@ public class WorldImporter implements IDataImporter {
int rz = Integer.parseInt(sections[2]);
try (var fileStream = FileChannel.open(file.toPath(), StandardOpenOption.READ)) {
if (fileStream.size() == 0) {
return;
}
var fileData = new MemoryBuffer(fileStream.size());
if (fileStream.read(fileData.asByteBuffer(), 0) < 8192) {
fileData.free();
@@ -301,39 +307,45 @@ public class WorldImporter implements IDataImporter {
int sectorStart = sectorMeta>>>8;
int sectorCount = sectorMeta&((1<<8)-1);
//TODO: create memory copy for each section
if (regionFile.size < (sectorCount+sectorStart)*4096L) {
Logger.warn("Cannot access chunk sector as it goes out of bounds. start: " + sectorStart + " count: " + sectorCount + " fileSize: " + regionFile.size);
if (sectorCount == 0) {
continue;
}
//TODO: create memory copy for each section
if (regionFile.size < ((sectorCount-1) + sectorStart) * 4096L) {
System.err.println("Cannot access chunk sector as it goes out of bounds. start bytes: " + (sectorStart*4096) + " sector count: " + sectorCount + " fileSize: " + regionFile.size);
continue;
}
var data = new MemoryBuffer(sectorCount*4096).cpyFrom(regionFile.address+sectorStart*4096L);
boolean addedToQueue = false;
{
int m = Integer.reverseBytes(MemoryUtil.memGetInt(data.address));
byte b = MemoryUtil.memGetByte(data.address+4L);
long base = regionFile.address + sectorStart * 4096L;
int chunkLen = sectorCount * 4096;
int m = Integer.reverseBytes(MemoryUtil.memGetInt(base));
byte b = MemoryUtil.memGetByte(base + 4L);
if (m == 0) {
Logger.error("Chunk is allocated, but stream is missing");
} else {
int n = m - 1;
if ((b & 128) != 0) {
if (regionFile.size < (n + sectorStart*4096L)) {
System.err.println("Chunk stream to small");
} else if ((b & 128) != 0) {
if (n != 0) {
Logger.error("Chunk has both internal and external streams");
}
Logger.error("Chunk has external stream which is not supported");
} else if (n > data.size-5) {
Logger.error("Chunk stream is truncated: expected "+n+" but read " + (data.size-5));
} else if (n > chunkLen-5) {
Logger.error("Chunk stream is truncated: expected "+n+" but read " + (chunkLen-5));
} else if (n < 0) {
Logger.error("Declared size of chunk is negative");
} else {
addedToQueue = true;
var data = new MemoryBuffer(n).cpyFrom(base + 5);
this.jobQueue.add(()-> {
if (!this.isRunning) {
return;
}
try {
try (var decompressedData = this.decompress(b, new InputStream() {
private long offset = 5;//For the initial 5 offset
private long offset = 0;
@Override
public int read() {
return MemoryUtil.memGetByte(data.address + (this.offset++)) & 0xFF;
@@ -373,9 +385,6 @@ public class WorldImporter implements IDataImporter {
}
}
}
if (!addedToQueue) {
data.free();
}
}
}