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DmitriyMX
2018-04-27 22:58:31 +03:00
parent 6f7f2ad813
commit 3350c9aff0
2 changed files with 47 additions and 41 deletions
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56
proto125/src/main/java/mc/core/network/proto_125/packets/ChunkDataPacket.java
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@@ -9,30 +9,62 @@ import lombok.ToString;
import mc.core.network.SCPacket;
import mc.core.network.proto_125.ByteArrayOutputNetStream;
import java.util.Arrays;
import java.util.zip.Deflater;
@Setter
@ToString
public class ChunkDataPacket implements SCPacket {
private static final byte[] data = new byte[65536 + 32768 + 32768 + 32768/* + 0*/ + 256];
private static byte[] compressData = null;
private static byte[] compressData;
private int x, z;
private boolean needInitChunk;
private int yMin,yMax;
static {
byte[] blocktype = new byte[4096];
Arrays.fill(blocktype, 0, 256, (byte)7);
Arrays.fill(blocktype, 256, 768, (byte)3);
Arrays.fill(blocktype, 768, 1024, (byte)2);
Arrays.fill(blocktype, 1024, 4096, (byte)0);
byte[] blockmeta = new byte[2048];
Arrays.fill(blockmeta, (byte)0);
byte[] blocklight = new byte[2048];
Arrays.fill(blocklight, (byte)0);
byte[] skylight = new byte[2048];
Arrays.fill(skylight, 0, 512, (byte) 0);
Arrays.fill(skylight, 512, 2048, (byte)-1);
byte[] addition = new byte[2048];
Arrays.fill(addition, 0, 256, (byte)1);
Arrays.fill(addition, 256, 2048, (byte)0);
byte[] biometype = new byte[256];
Arrays.fill(biometype, (byte)0);
byte[] chunkData = new byte[blocktype.length + blockmeta.length + blocklight.length + skylight.length + addition.length + biometype.length];
System.arraycopy(blocktype, 0, chunkData, 0, blocktype.length);
System.arraycopy(blockmeta, 0, chunkData, blocktype.length, blockmeta.length);
System.arraycopy(blocklight, 0, chunkData, blockmeta.length, blocklight.length);
System.arraycopy(skylight, 0, chunkData, blocklight.length, skylight.length);
System.arraycopy(addition, 0, chunkData, skylight.length, addition.length);
System.arraycopy(biometype, 0, chunkData, addition.length, biometype.length);
Deflater zlib = new Deflater(Deflater.DEFAULT_COMPRESSION);
zlib.setInput(chunkData);
zlib.finish();
byte[] preCompileData = new byte[chunkData.length];
int compressSize = zlib.deflate(preCompileData);
compressData = new byte[compressSize];
System.arraycopy(preCompileData, 0, compressData, 0, compressSize);
}
@Override
public byte[] toByteArray() {
if (compressData == null) {
Deflater zlib = new Deflater();
zlib.setInput(data);
byte[] preCompress = new byte[data.length];
int len = zlib.deflate(preCompress);
compressData = new byte[len];
System.arraycopy(preCompress, 0, compressData, 0, len);
}
ByteArrayOutputNetStream netStream = new ByteArrayOutputNetStream();
netStream.writeInt(x);