i think i fixed 1.7 chunks?

src/main/kotlin/com/github/creeper123123321/viaaas/Util.kt

@@ -46,8 +46,7 @@ fun resolveSrv(address: String, port: Int): Pair<String, Int> {
                 val record = (attr.get(0) as String).split(" ")
                 return record[3] to record[2].toInt()
             }
-        } catch (ignored: NameNotFoundException) {
+        } catch (ignored: Exception) { // DuckDNS workaround
-        } catch (ignored: ServiceUnavailableException) { // DuckDNS workaround
         }
     }
     return address to port

src/main/kotlin/com/github/creeper123123321/viaaas/packet/play/PluginMessage.kt

@@ -41,7 +41,7 @@ class PluginMessage : Packet {
 
     fun writeExtendedForgeShort(buf: ByteBuf, toWrite: Int) {
         var low = toWrite and 0x7FFF
-        val high = toWrite and 0x7F8000 shr 15
+        val high = toWrite.and(0x7F8000).shr(15)
         if (high != 0) {
             low = low or 0x8000
         }

src/main/kotlin/com/github/creeper123123321/viaaas/protocol/id47toid5/chunks/Chunk1_8to1_7_6_10.kt

@@ -16,7 +16,7 @@ class Chunk1_8to1_7_6_10(
     var blockBiomeArray = ByteArray(256)
 
     fun filterChunk(storageArray: ExtendedBlockStorage?, i: Int) =
-        storageArray != null && primaryBitMask and 1 shl i != 0
+        storageArray != null && (primaryBitMask.and(1 shl i) != 0)
                 && (!groundUp || storageArray.isEmpty)
 
     fun get1_8Data(): ByteArray {
@@ -30,14 +30,14 @@ class Chunk1_8to1_7_6_10(
                 for (ind in blockIds.indices) {
                     val id = blockIds[ind].toInt() and 255
                     val px = ind and 15
-                    val py = ind shr 8 and 15
+                    val py = ind.shr(8).and(15)
-                    val pz = ind shr 4 and 15
+                    val pz = ind.shr(4).and(15)
                     val data = nibblearray[px, py, pz].toInt()
 
                     //data = SpigotDebreakifier.getCorrectedData(id, data);
                     val `val` = (id shl 4 or data).toChar()
                     buf.writeByte(`val`.toInt() and 255)
-                    buf.writeByte(`val`.toInt() shr 8 and 255)
+                    buf.writeByte(`val`.toInt().shr(8).and(255))
                 }
             }
             filteredChunks.forEach {
@@ -60,38 +60,40 @@ class Chunk1_8to1_7_6_10(
     init {
         val input = Unpooled.wrappedBuffer(data)
         for (i in storageSections.indices) {
-            if (primaryBitMask and 1 shl i != 0) {
+            if ((primaryBitMask and (1 shl i)) != 0) {
-                val storageSection = storageSections.getOrElse(i) {
+                var storageSection = storageSections[i]
-                    ExtendedBlockStorage(i shl 4, skyLight).also { storageSections[i] = it }
+                if (storageSection == null){
-                }!!
+                    storageSection = ExtendedBlockStorage(i shl 4, skyLight)
+                    storageSections[i] = storageSection
+                }
                 storageSection.blockLSBArray = input.readByteArray(4096)
             } else if (storageSections[i] != null && groundUp) {
                 storageSections[i] = null
             }
         }
         for (i in storageSections.indices) {
-            if (primaryBitMask and 1 shl i != 0 && storageSections[i] != null) {
+            if (primaryBitMask.and(1 shl i) != 0 && storageSections[i] != null) {
                 storageSections[i]!!.metadataArray.handle = input.readByteArray(4096 / 2)
             }
         }
         for (i in storageSections.indices) {
-            if (primaryBitMask and 1 shl i != 0 && storageSections[i] != null) {
+            if (primaryBitMask.and(1 shl i) != 0 && storageSections[i] != null) {
                  storageSections[i]!!.blocklightArray.handle = input.readByteArray(4096 / 2)
             }
         }
         if (skyLight) {
             for (i in storageSections.indices) {
-                if (primaryBitMask and 1 shl i != 0 && storageSections[i] != null) {
+                if (primaryBitMask.and(1 shl i) != 0 && storageSections[i] != null) {
                     storageSections[i]!!.skylightArray!!.handle = input.readByteArray(4096 / 2)
                 }
             }
         }
         for (i in storageSections.indices) {
-            if (addBitMask and 1 shl i != 0) {
+            if (addBitMask.and(1 shl i) != 0) {
                 if (storageSections[i] == null) {
                     input.skipBytes(2048)
                 } else {
-                    var msbArray = storageSections[i]!!.blockMSBArray ?: storageSections[i]!!.createBlockMSBArray()
+                    val msbArray = storageSections[i]!!.blockMSBArray ?: storageSections[i]!!.createBlockMSBArray()
                     msbArray!!.handle = input.readByteArray(4096 / 2)
                 }
             } else if (groundUp && storageSections[i] != null && storageSections[i]!!.blockMSBArray != null) {

src/main/kotlin/com/github/creeper123123321/viaaas/protocol/id47toid5/chunks/ChunkPacketTransformer.kt

@@ -6,7 +6,6 @@ import us.myles.ViaVersion.api.minecraft.BlockChangeRecord1_8
 import us.myles.ViaVersion.api.type.Type
 import us.myles.ViaVersion.api.type.types.CustomByteType
 import java.io.IOException
-import java.util.*
 import java.util.stream.IntStream
 import java.util.zip.DataFormatException
 import java.util.zip.Inflater
@@ -23,14 +22,14 @@ object ChunkPacketTransformer {
         val compressedSize = packetWrapper.read(Type.INT)
         val customByteType = CustomByteType(compressedSize)
         val data = packetWrapper.read(customByteType)
-        var k = 0
+        var countOfPrimary = 0
-        var l = 0
+        var countOfAdditional = 0
         for (j in 0..15) {
-            k += primaryBitMask shr j and 1
+            countOfPrimary += primaryBitMask.shr(j).and(1)
-            l += addBitMask shr j and 1
+            countOfAdditional += addBitMask.shr(j).and(1)
         }
-        var uncompressedSize = 12288 * k
+        var uncompressedSize = 12288 * countOfPrimary
-        uncompressedSize += 2048 * l
+        uncompressedSize += 2048 * countOfAdditional
         if (groundUp) {
             uncompressedSize += 256
         }
@@ -39,29 +38,23 @@ object ChunkPacketTransformer {
         inflater.setInput(data, 0, compressedSize)
         try {
             inflater.inflate(uncompressedData)
-        } catch (ex: DataFormatException) {
-            throw IOException("Bad compressed data format")
         } finally {
             inflater.end()
         }
         val chunk = Chunk1_8to1_7_6_10(uncompressedData, primaryBitMask, addBitMask, true, groundUp)
-        var field = PacketWrapper::class.java.getDeclaredField("packetValues")
+
-        field.isAccessible = true
+        packetWrapper.clearPacket()
-        (field[packetWrapper] as MutableList<*>).clear()
+        val field = PacketWrapper::class.java.getDeclaredField("inputBuffer")
-        field = PacketWrapper::class.java.getDeclaredField("readableObjects")
-        field.isAccessible = true
-        (field[packetWrapper] as LinkedList<*>).clear()
-        field = PacketWrapper::class.java.getDeclaredField("inputBuffer")
         field.isAccessible = true
         val buffer = field[packetWrapper] as ByteBuf
+
         buffer.clear()
         buffer.writeInt(chunkX)
         buffer.writeInt(chunkZ)
         buffer.writeBoolean(groundUp)
         buffer.writeShort(primaryBitMask)
-        val finaldata = chunk.get1_8Data()
+        val finalData = chunk.get1_8Data()
-        Type.VAR_INT.writePrimitive(buffer, finaldata.size)
+        Type.BYTE_ARRAY_PRIMITIVE.write(buffer, finalData)
-        buffer.writeBytes(finaldata)
     }
 
     @Throws(Exception::class)

src/main/kotlin/com/github/creeper123123321/viaaas/protocol/id47toid5/chunks/ExtendedBlockStorage.kt

@@ -2,7 +2,7 @@ package com.github.creeper123123321.viaaas.protocol.id47toid5.chunks
 
 import us.myles.ViaVersion.api.minecraft.chunks.NibbleArray
 
-class ExtendedBlockStorage(val yLocation: Int, paramBoolean: Boolean) {
+class ExtendedBlockStorage(val yLocation: Int, hasSkyLight: Boolean) {
     var blockLSBArray: ByteArray = ByteArray(4096)
     var blockMSBArray: NibbleArray? = null
     var metadataArray: NibbleArray
@@ -52,7 +52,7 @@ class ExtendedBlockStorage(val yLocation: Int, paramBoolean: Boolean) {
     init {
         metadataArray = NibbleArray(blockLSBArray.size)
         blocklightArray = NibbleArray(blockLSBArray.size)
-        if (paramBoolean) {
+        if (hasSkyLight) {
             skylightArray = NibbleArray(blockLSBArray.size)
         }
     }

src/main/kotlin/com/github/creeper123123321/viaaas/protocol/id47toid5/packets/EntityPackets.kt

@@ -96,7 +96,7 @@ fun Protocol1_8To1_7_6.registerEntityPackets() {
                 if (type.toInt() == 70) {
                     val id = data
                     val metadata = data shr 16
-                    data = id or metadata shl 12
+                    data = id.or(metadata shl 12)
                 }
                 if (type.toInt() == 50 || type.toInt() == 70 || type.toInt() == 74) y -= 16
                 packetWrapper.set(Type.INT, 0, x)

src/main/kotlin/com/github/creeper123123321/viaaas/protocol/id47toid5/packets/WorldPackets.kt

@@ -40,7 +40,7 @@ fun Protocol1_8To1_7_6.registerWorldPackets() {
             handler { packetWrapper ->
                 val blockId: Int = packetWrapper.read(Type.VAR_INT)
                 val meta = packetWrapper.read(Type.UNSIGNED_BYTE).toInt()
-                packetWrapper.write(Type.VAR_INT, blockId shl 4 or (meta and 15))
+                packetWrapper.write(Type.VAR_INT, blockId.shl(4).or(meta and 15))
             } //Block Data
         }
     })
@@ -168,7 +168,7 @@ fun Protocol1_8To1_7_6.registerWorldPackets() {
                 packetWrapper.write(Type.BYTE, mapData!!.scale)
                 packetWrapper.write(Type.VAR_INT, mapData!!.mapIcons.size)
                 for (mapIcon in mapData!!.mapIcons) {
-                    packetWrapper.write(Type.BYTE, (mapIcon.direction.toInt() shl 4 or mapIcon.type.toInt() and 0xF).toByte())
+                    packetWrapper.write(Type.BYTE, (mapIcon.direction.toInt().shl(4).or(mapIcon.type.toInt() and 0xF)).toByte())
                     packetWrapper.write(Type.BYTE, mapIcon.x)
                     packetWrapper.write(Type.BYTE, mapIcon.z)
                 }