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mcrcortex
2025-04-14 11:02:12 +10:00
parent c6aa690eee
commit a521e34f49
1 changed files with 28 additions and 24 deletions
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52
src/main/java/me/cortex/voxy/commonImpl/importers/WorldImporter.java
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@@ -344,28 +344,7 @@ public class WorldImporter implements IDataImporter {
return;
}
try {
try (var decompressedData = this.decompress(b, new InputStream() {
private long offset = 0;
@Override
public int read() {
return MemoryUtil.memGetByte(data.address + (this.offset++)) & 0xFF;
}
@Override
public int read(byte[] b, int off, int len) {
len = Math.min(len, this.available());
if (len == 0) {
return -1;
}
UnsafeUtil.memcpy(data.address+this.offset, len, b, off); this.offset+=len;
return len;
}
@Override
public int available() {
return (int) (data.size-this.offset);
}
})) {
try (var decompressedData = this.decompress(b, data)) {
if (decompressedData == null) {
Logger.error("Error decompressing chunk data");
} else {
@@ -388,13 +367,38 @@ public class WorldImporter implements IDataImporter {
}
}
private DataInputStream decompress(byte flags, InputStream stream) throws IOException {
private static InputStream createInputStream(MemoryBuffer data) {
return new InputStream() {
private long offset = 0;
@Override
public int read() {
return MemoryUtil.memGetByte(data.address + (this.offset++)) & 0xFF;
}
@Override
public int read(byte[] b, int off, int len) {
len = Math.min(len, this.available());
if (len == 0) {
return -1;
}
UnsafeUtil.memcpy(data.address+this.offset, len, b, off); this.offset+=len;
return len;
}
@Override
public int available() {
return (int) (data.size-this.offset);
}
};
}
private DataInputStream decompress(byte flags, MemoryBuffer stream) throws IOException {
ChunkCompressionFormat chunkStreamVersion = ChunkCompressionFormat.get(flags);
if (chunkStreamVersion == null) {
Logger.error("Chunk has invalid chunk stream version");
return null;
} else {
return new DataInputStream(chunkStreamVersion.wrap(stream));
return new DataInputStream(chunkStreamVersion.wrap(createInputStream(stream)));
}
}