LZ4 compression

kryonet/src/io/anuke/kryonet/KryoClient.java

@@ -16,6 +16,8 @@ import io.anuke.mindustry.net.Packets.Disconnect;
 import io.anuke.ucore.function.Consumer;
 import io.anuke.ucore.util.Pooling;
 import io.anuke.ucore.util.Strings;
+import net.jpountz.lz4.LZ4Factory;
+import net.jpountz.lz4.LZ4FastDecompressor;
 
 import java.io.IOException;
 import java.net.DatagramPacket;
@@ -32,6 +34,7 @@ public class KryoClient implements ClientProvider{
     Client client;
     ObjectMap<InetAddress, Host> addresses = new ObjectMap<>();
     ClientDiscoveryHandler handler;
+    LZ4FastDecompressor decompressor = LZ4Factory.fastestInstance().fastDecompressor();
 
     public KryoClient(){
         KryoCore.init();
@@ -105,6 +108,13 @@ public class KryoClient implements ClientProvider{
         }
     }
 
+    @Override
+    public byte[] decompressSnapshot(byte[] input, int size){
+        byte[] result = new byte[size];
+        decompressor.decompress(input, result);
+        return result;
+    }
+
     @Override
     public void connect(String ip, int port) throws IOException {
         //just in case

kryonet/src/io/anuke/kryonet/KryoServer.java

@@ -20,6 +20,8 @@ import io.anuke.mindustry.net.Packets.StreamChunk;
 import io.anuke.ucore.UCore;
 import io.anuke.ucore.core.Timers;
 import io.anuke.ucore.util.Log;
+import net.jpountz.lz4.LZ4Compressor;
+import net.jpountz.lz4.LZ4Factory;
 
 import java.io.IOException;
 import java.nio.ByteBuffer;
@@ -33,6 +35,7 @@ public class KryoServer implements ServerProvider {
     final CopyOnWriteArrayList<KryoConnection> connections = new CopyOnWriteArrayList<>();
     final CopyOnWriteArraySet<Integer> missing = new CopyOnWriteArraySet<>();
     final Array<KryoConnection> array = new Array<>();
+    final LZ4Compressor compressor = LZ4Factory.fastestInstance().fastCompressor();
     Thread serverThread;
 
     int lastconnection = 0;
@@ -105,6 +108,11 @@ public class KryoServer implements ServerProvider {
         }
     }
 
+    @Override
+    public byte[] compressSnapshot(byte[] input){
+        return compressor.compress(input);
+    }
+
     @Override
     public Array<KryoConnection> getConnections() {
         array.clear();