Not sure if i'm working forward or backwards on this, but pushing for progress

src/main/java/us/myles/ViaVersion/protocols/protocol1_9_3to1_9_1_2/Chunk1_9_1_2Type.java

@@ -8,8 +8,7 @@ import us.myles.ViaVersion.api.minecraft.chunks.Chunk;
 import us.myles.ViaVersion.api.minecraft.chunks.ChunkSection;
 import us.myles.ViaVersion.api.type.Type;
 import us.myles.ViaVersion.api.type.types.minecraft.BaseChunkType;
-import us.myles.ViaVersion.protocols.protocol1_9_3to1_9_1_2.sotrage.ClientWorld;
-import us.myles.ViaVersion.protocols.protocol1_9to1_8.storage.ClientChunks;
+import us.myles.ViaVersion.protocols.protocol1_9_3to1_9_1_2.storage.ClientWorld;
 
 import java.util.ArrayList;
 import java.util.BitSet;

src/main/java/us/myles/ViaVersion/protocols/protocol1_9_3to1_9_1_2/ChunkSection1_9_1_2.java

@@ -7,7 +7,6 @@ import us.myles.ViaVersion.api.minecraft.chunks.ChunkSection;
 import us.myles.ViaVersion.api.minecraft.chunks.NibbleArray;
 import us.myles.ViaVersion.api.type.Type;
 
-import java.util.Arrays;
 import java.util.List;
 
 public class ChunkSection1_9_1_2 implements ChunkSection {
@@ -111,35 +110,63 @@ public class ChunkSection1_9_1_2 implements ChunkSection {
         palette.clear();
 
         // Reaad bits per block
-        int bitsPerBlock = input.readByte();
+        int bitsPerBlock = input.readUnsignedByte();
         long maxEntryValue = (1L << bitsPerBlock) - 1;
 
         if (bitsPerBlock == 0) {
-            throw new RuntimeException("Aye me m8 its the global palette!");
+            bitsPerBlock = 13;
         }
-
+        if (bitsPerBlock < 4) {
+            bitsPerBlock = 4;
+        }
+        if (bitsPerBlock > 8) {
+            bitsPerBlock = 13;
+        }
+        System.out.println("bps: " + bitsPerBlock);
+        if(bitsPerBlock != 13) {
             // Read palette
             int paletteLength = Type.VAR_INT.read(input);
+
             for (int i = 0; i < paletteLength; i++) {
+                if (bitsPerBlock != 13) {
                     palette.add(Type.VAR_INT.read(input));
+                } else {
+                    Type.VAR_INT.read(input);
+                }
+            }
+            System.out.println("length of palette: " + paletteLength);
         }
 
         // Read blocks
         int blockLength = Type.VAR_INT.read(input);
+        if (blockLength > 0) {
             long[] blockData = new long[blockLength];
+            System.out.println("Block Length: " + blockData.length);
             for (int i = 0; i < blocks.length; i++) {
                 int bitIndex = i * bitsPerBlock;
                 int startIndex = bitIndex / 64;
                 int endIndex = ((i + 1) * bitsPerBlock - 1) / 64;
                 int startBitSubIndex = bitIndex % 64;
+                int val;
                 if (startIndex == endIndex) {
-                blocks[i] = (int) (blockData[startIndex] >>> startBitSubIndex & maxEntryValue);
+                    val = (int) (blockData[startIndex] >>> startBitSubIndex & maxEntryValue);
                 } else {
                     int endBitSubIndex = 64 - startBitSubIndex;
-                blocks[i] = (int) ((blockData[startIndex] >>> startBitSubIndex | blockData[endIndex] << endBitSubIndex) & maxEntryValue);
+                    val = (int) ((blockData[startIndex] >>> startBitSubIndex | blockData[endIndex] << endBitSubIndex) & maxEntryValue);
+                }
+
+                if (bitsPerBlock == 13) {
+                    int type = val >> 4;
+                    int data = val & 0xF;
+
+                    setBlock(i, type, data);
+                } else {
+                    blocks[i] = val;
                 }
             }
         }
+        System.out.println("done");
+    }
 
     /**
      * Read block light from buffer.

src/main/java/us/myles/ViaVersion/protocols/protocol1_9_3to1_9_1_2/Protocol1_9_3TO1_9_1_2.java

@@ -13,15 +13,10 @@ import us.myles.ViaVersion.api.remapper.PacketHandler;
 import us.myles.ViaVersion.api.remapper.PacketRemapper;
 import us.myles.ViaVersion.api.type.Type;
 import us.myles.ViaVersion.packets.State;
-import us.myles.ViaVersion.protocols.protocol1_9_3to1_9_1_2.sotrage.ClientWorld;
-import us.myles.ViaVersion.protocols.protocol1_9to1_8.chunks.Chunk1_9to1_8;
-import us.myles.ViaVersion.protocols.protocol1_9to1_8.chunks.ChunkSection1_9to1_8;
-import us.myles.ViaVersion.protocols.protocol1_9to1_8.storage.ClientChunks;
-import us.myles.ViaVersion.protocols.protocol1_9to1_8.types.ChunkType;
+import us.myles.ViaVersion.protocols.protocol1_9_3to1_9_1_2.storage.ClientWorld;
 
 import java.util.ArrayList;
 import java.util.List;
-import java.util.Objects;
 
 public class Protocol1_9_3TO1_9_1_2 extends Protocol {
     @Override
@@ -81,7 +76,7 @@ public class Protocol1_9_3TO1_9_1_2 extends Protocol {
                         ClientWorld clientWorld = wrapper.user().get(ClientWorld.class);
 
                         Chunk1_9_1_2Type type = new Chunk1_9_1_2Type(clientWorld);
-                        if (wrapper.isReadable(type, 0)) {
+                        //         if (wrapper.isReadable(type, 0)) {
                         Chunk chunk = wrapper.read(type);
 //                            if(rawChunk instanceof Chunk1_9to1_8) {
 //                                throw new RuntimeException("Sweet berry candies");
@@ -108,7 +103,7 @@ public class Protocol1_9_3TO1_9_1_2 extends Protocol {
                         wrapper.write(type, chunk);
                         wrapper.write(Type.NBT_ARRAY, tags.toArray(new CompoundTag[0]));
                     }
-                    }
+                    // }
                 });
             }
         });

src/main/java/us/myles/ViaVersion/protocols/protocol1_9_3to1_9_1_2/storage/ClientWorld.java

@@ -1,4 +1,4 @@
-package us.myles.ViaVersion.protocols.protocol1_9_3to1_9_1_2.sotrage;
+package us.myles.ViaVersion.protocols.protocol1_9_3to1_9_1_2.storage;
 
 import lombok.Getter;
 import org.bukkit.World;