Cleanup chunk types

common/src/main/java/us/myles/ViaVersion/api/minecraft/chunks/BaseChunk.java

@@ -1,31 +1,34 @@
 package us.myles.ViaVersion.api.minecraft.chunks;
 
 import com.github.steveice10.opennbt.tag.builtin.CompoundTag;
-import lombok.AllArgsConstructor;
 
 import java.util.List;
 
-@AllArgsConstructor
 public class BaseChunk implements Chunk {
     protected final int x;
     protected final int z;
-    protected final boolean groundUp;
+    protected final boolean fullChunk;
     protected final int bitmask;
     protected final ChunkSection[] sections;
     protected int[] biomeData;
     protected CompoundTag heightMap;
     protected final List<CompoundTag> blockEntities;
 
-    public BaseChunk(int x, int z, boolean groundUp, int bitmask, ChunkSection[] sections, int[] biomeData, List<CompoundTag> blockEntities) {
+    public BaseChunk(int x, int z, boolean fullChunk, int bitmask, ChunkSection[] sections, int[] biomeData, CompoundTag heightMap, List<CompoundTag> blockEntities) {
         this.x = x;
         this.z = z;
-        this.groundUp = groundUp;
+        this.fullChunk = fullChunk;
         this.bitmask = bitmask;
         this.sections = sections;
         this.biomeData = biomeData;
+        this.heightMap = heightMap;
         this.blockEntities = blockEntities;
     }
 
+    public BaseChunk(int x, int z, boolean fullChunk, int bitmask, ChunkSection[] sections, int[] biomeData, List<CompoundTag> blockEntities) {
+        this(x, z, fullChunk, bitmask, sections, biomeData, null, blockEntities);
+    }
+
     @Override
     public boolean isBiomeData() {
         return biomeData != null;
@@ -42,8 +45,8 @@ public class BaseChunk implements Chunk {
     }
 
     @Override
-    public boolean isGroundUp() {
+    public boolean isFullChunk() {
-        return groundUp;
+        return fullChunk;
     }
 
     @Override

common/src/main/java/us/myles/ViaVersion/api/minecraft/chunks/Chunk.java

@@ -5,12 +5,20 @@ import com.github.steveice10.opennbt.tag.builtin.CompoundTag;
 import java.util.List;
 
 public interface Chunk {
+
     int getX();
 
     int getZ();
 
     boolean isBiomeData();
 
+    boolean isFullChunk();
+
+    @Deprecated
+    default boolean isGroundUp() {
+        return isFullChunk();
+    }
+
     int getBitmask();
 
     ChunkSection[] getSections();
@@ -24,6 +32,4 @@ public interface Chunk {
     void setHeightMap(CompoundTag heightMap);
 
     List<CompoundTag> getBlockEntities();
-
-    boolean isGroundUp();
 }

common/src/main/java/us/myles/ViaVersion/api/minecraft/chunks/Chunk1_8.java

@@ -29,12 +29,7 @@ public class Chunk1_8 extends BaseChunk {
      * @return True if the chunks has biome data
      */
     public boolean hasBiomeData() {
-        return biomeData != null && groundUp;
+        return biomeData != null && fullChunk;
-    }
-
-    @Override
-    public boolean isBiomeData() {
-        return biomeData != null;
     }
 
     public boolean isUnloadPacket() {

common/src/main/java/us/myles/ViaVersion/api/minecraft/chunks/ChunkSection.java

@@ -8,6 +8,7 @@ import java.util.List;
 import java.util.Map;
 
 public class ChunkSection {
+
     /**
      * Size (dimensions) of blocks in a chunks section.
      */

common/src/main/java/us/myles/ViaVersion/protocols/protocol1_13to1_12_2/types/Chunk1_13Type.java

@@ -13,9 +13,7 @@ import us.myles.ViaVersion.api.type.types.minecraft.BaseChunkType;
 import us.myles.ViaVersion.api.type.types.version.Types1_13;
 import us.myles.ViaVersion.protocols.protocol1_9_3to1_9_1_2.storage.ClientWorld;
 
-import java.util.ArrayList;
 import java.util.Arrays;
-import java.util.BitSet;
 import java.util.List;
 import java.util.logging.Level;
 
@@ -29,22 +27,15 @@ public class Chunk1_13Type extends PartialType<Chunk, ClientWorld> {
         int chunkX = input.readInt();
         int chunkZ = input.readInt();
 
-        boolean groundUp = input.readBoolean();
+        boolean fullChunk = input.readBoolean();
         int primaryBitmask = Type.VAR_INT.read(input);
         ByteBuf data = input.readSlice(Type.VAR_INT.read(input));
 
-        BitSet usedSections = new BitSet(16);
-        ChunkSection[] sections = new ChunkSection[16];
-        // Calculate section count from bitmask
-        for (int i = 0; i < 16; i++) {
-            if ((primaryBitmask & (1 << i)) != 0) {
-                usedSections.set(i);
-            }
-        }
-
         // Read sections
+        ChunkSection[] sections = new ChunkSection[16];
         for (int i = 0; i < 16; i++) {
-            if (!usedSections.get(i)) continue; // Section not set
+            if ((primaryBitmask & (1 << i)) == 0) continue; // Section not set
+
             ChunkSection section = Types1_13.CHUNK_SECTION.read(data);
             sections[i] = section;
             section.readBlockLight(data);
@@ -53,18 +44,18 @@ public class Chunk1_13Type extends PartialType<Chunk, ClientWorld> {
             }
         }
 
-        int[] biomeData = groundUp ? new int[256] : null;
+        int[] biomeData = fullChunk ? new int[256] : null;
-        if (groundUp) {
+        if (fullChunk) {
             if (data.readableBytes() >= 256 * 4) {
                 for (int i = 0; i < 256; i++) {
                     biomeData[i] = data.readInt();
                 }
             } else {
-                Via.getPlatform().getLogger().log(Level.WARNING, "Chunk x="+ chunkX + " z=" + chunkZ + " doesn't have biome data!");
+                Via.getPlatform().getLogger().log(Level.WARNING, "Chunk x=" + chunkX + " z=" + chunkZ + " doesn't have biome data!");
             }
         }
 
-        List<CompoundTag> nbtData = new ArrayList<>(Arrays.asList(Type.NBT_ARRAY.read(input)));
+        List<CompoundTag> nbtData = Arrays.asList(Type.NBT_ARRAY.read(input));
 
         // Read all the remaining bytes (workaround for #681)
         if (input.readableBytes() > 0) {
@@ -74,7 +65,7 @@ public class Chunk1_13Type extends PartialType<Chunk, ClientWorld> {
             }
         }
 
-        return new BaseChunk(chunkX, chunkZ, groundUp, primaryBitmask, sections, biomeData, nbtData);
+        return new BaseChunk(chunkX, chunkZ, fullChunk, primaryBitmask, sections, biomeData, nbtData);
     }
 
     @Override
@@ -82,7 +73,7 @@ public class Chunk1_13Type extends PartialType<Chunk, ClientWorld> {
         output.writeInt(chunk.getX());
         output.writeInt(chunk.getZ());
 
-        output.writeBoolean(chunk.isGroundUp());
+        output.writeBoolean(chunk.isFullChunk());
         Type.VAR_INT.write(output, chunk.getBitmask());
 
         ByteBuf buf = output.alloc().buffer();
@@ -98,7 +89,7 @@ public class Chunk1_13Type extends PartialType<Chunk, ClientWorld> {
 
             }
             buf.readerIndex(0);
-            Type.VAR_INT.write(output, buf.readableBytes() + (chunk.isBiomeData() ? 256 * 4 : 0));
+            Type.VAR_INT.write(output, buf.readableBytes() + (chunk.isBiomeData() ? 1024 : 0));
             output.writeBytes(buf);
         } finally {
             buf.release(); // release buffer

common/src/main/java/us/myles/ViaVersion/protocols/protocol1_14to1_13_2/packets/WorldPackets.java

@@ -199,12 +199,12 @@ public class WorldPackets {
                         lightPacket.write(Type.VAR_INT, chunk.getX());
                         lightPacket.write(Type.VAR_INT, chunk.getZ());
 
-                        int skyLightMask = chunk.isGroundUp() ? 0x3ffff : 0; // all 18 bits set if ground up
+                        int skyLightMask = chunk.isFullChunk() ? 0x3ffff : 0; // all 18 bits set if ground up
                         int blockLightMask = 0;
                         for (int i = 0; i < chunk.getSections().length; i++) {
                             ChunkSection sec = chunk.getSections()[i];
                             if (sec == null) continue;
-                            if (!chunk.isGroundUp() && sec.hasSkyLight()) {
+                            if (!chunk.isFullChunk() && sec.hasSkyLight()) {
                                 skyLightMask |= (1 << (i + 1));
                             }
                             blockLightMask |= (1 << (i + 1));
@@ -217,18 +217,18 @@ public class WorldPackets {
 
                         // not sending skylight/setting empty skylight causes client lag due to some weird calculations
                         // only do this on the initial chunk send (not when chunk.isGroundUp() is false)
-                        if (chunk.isGroundUp())
+                        if (chunk.isFullChunk())
                             lightPacket.write(Type.BYTE_ARRAY_PRIMITIVE, FULL_LIGHT); // chunk below 0
                         for (ChunkSection section : chunk.getSections()) {
                             if (section == null || !section.hasSkyLight()) {
-                                if (chunk.isGroundUp()) {
+                                if (chunk.isFullChunk()) {
                                     lightPacket.write(Type.BYTE_ARRAY_PRIMITIVE, FULL_LIGHT);
                                 }
                                 continue;
                             }
                             lightPacket.write(Type.BYTE_ARRAY_PRIMITIVE, section.getSkyLight());
                         }
-                        if (chunk.isGroundUp())
+                        if (chunk.isFullChunk())
                             lightPacket.write(Type.BYTE_ARRAY_PRIMITIVE, FULL_LIGHT); // chunk above 255
 
                         for (ChunkSection section : chunk.getSections()) {

common/src/main/java/us/myles/ViaVersion/protocols/protocol1_14to1_13_2/types/Chunk1_14Type.java

@@ -12,9 +12,7 @@ import us.myles.ViaVersion.api.type.types.minecraft.BaseChunkType;
 import us.myles.ViaVersion.api.type.types.version.Types1_13;
 import us.myles.ViaVersion.protocols.protocol1_9_3to1_9_1_2.storage.ClientWorld;
 
-import java.util.ArrayList;
 import java.util.Arrays;
-import java.util.BitSet;
 import java.util.List;
 
 public class Chunk1_14Type extends PartialType<Chunk, ClientWorld> {
@@ -28,37 +26,31 @@ public class Chunk1_14Type extends PartialType<Chunk, ClientWorld> {
         int chunkX = input.readInt();
         int chunkZ = input.readInt();
 
-        boolean groundUp = input.readBoolean();
+        boolean fullChunk = input.readBoolean();
         int primaryBitmask = Type.VAR_INT.read(input);
         CompoundTag heightMap = Type.NBT.read(input);
+
         Type.VAR_INT.read(input);
 
-        BitSet usedSections = new BitSet(16);
-        ChunkSection[] sections = new ChunkSection[16];
-        // Calculate section count from bitmask
-        for (int i = 0; i < 16; i++) {
-            if ((primaryBitmask & (1 << i)) != 0) {
-                usedSections.set(i);
-            }
-        }
-
         // Read sections
+        ChunkSection[] sections = new ChunkSection[16];
         for (int i = 0; i < 16; i++) {
-            if (!usedSections.get(i)) continue; // Section not set
+            if ((primaryBitmask & (1 << i)) == 0) continue; // Section not set
+
             short nonAirBlocksCount = input.readShort();
             ChunkSection section = Types1_13.CHUNK_SECTION.read(input);
             section.setNonAirBlocksCount(nonAirBlocksCount);
             sections[i] = section;
         }
 
-        int[] biomeData = groundUp ? new int[256] : null;
+        int[] biomeData = fullChunk ? new int[256] : null;
-        if (groundUp) {
+        if (fullChunk) {
             for (int i = 0; i < 256; i++) {
                 biomeData[i] = input.readInt();
             }
         }
 
-        List<CompoundTag> nbtData = new ArrayList<>(Arrays.asList(Type.NBT_ARRAY.read(input)));
+        List<CompoundTag> nbtData = Arrays.asList(Type.NBT_ARRAY.read(input));
 
         // Read all the remaining bytes (workaround for #681)
         if (input.readableBytes() > 0) {
@@ -68,7 +60,7 @@ public class Chunk1_14Type extends PartialType<Chunk, ClientWorld> {
             }
         }
 
-        return new BaseChunk(chunkX, chunkZ, groundUp, primaryBitmask, sections, biomeData, heightMap, nbtData);
+        return new BaseChunk(chunkX, chunkZ, fullChunk, primaryBitmask, sections, biomeData, heightMap, nbtData);
     }
 
     @Override
@@ -76,7 +68,7 @@ public class Chunk1_14Type extends PartialType<Chunk, ClientWorld> {
         output.writeInt(chunk.getX());
         output.writeInt(chunk.getZ());
 
-        output.writeBoolean(chunk.isGroundUp());
+        output.writeBoolean(chunk.isFullChunk());
         Type.VAR_INT.write(output, chunk.getBitmask());
         Type.NBT.write(output, chunk.getHeightMap());
 
@@ -85,11 +77,12 @@ public class Chunk1_14Type extends PartialType<Chunk, ClientWorld> {
             for (int i = 0; i < 16; i++) {
                 ChunkSection section = chunk.getSections()[i];
                 if (section == null) continue; // Section not set
+
                 buf.writeShort(section.getNonAirBlocksCount());
                 Types1_13.CHUNK_SECTION.write(buf, section);
             }
             buf.readerIndex(0);
-            Type.VAR_INT.write(output, buf.readableBytes() + (chunk.isBiomeData() ? 256 * 4 : 0));
+            Type.VAR_INT.write(output, buf.readableBytes() + (chunk.isBiomeData() ? 1024 : 0)); // 256 * 4
             output.writeBytes(buf);
         } finally {
             buf.release(); // release buffer

common/src/main/java/us/myles/ViaVersion/protocols/protocol1_15to1_14_4/packets/WorldPackets.java

@@ -42,7 +42,7 @@ public class WorldPackets {
                         Chunk chunk = wrapper.read(new Chunk1_14Type(clientWorld));
                         wrapper.write(new Chunk1_15Type(clientWorld), chunk);
 
-                        if (chunk.isGroundUp()) {
+                        if (chunk.isFullChunk()) {
                             int[] biomeData = chunk.getBiomeData();
                             int[] newBiomeData = new int[1024];
                             if (biomeData != null) {

common/src/main/java/us/myles/ViaVersion/protocols/protocol1_15to1_14_4/types/Chunk1_15Type.java

@@ -12,12 +12,11 @@ import us.myles.ViaVersion.api.type.types.minecraft.BaseChunkType;
 import us.myles.ViaVersion.api.type.types.version.Types1_13;
 import us.myles.ViaVersion.protocols.protocol1_9_3to1_9_1_2.storage.ClientWorld;
 
-import java.util.ArrayList;
 import java.util.Arrays;
-import java.util.BitSet;
 import java.util.List;
 
 public class Chunk1_15Type extends PartialType<Chunk, ClientWorld> {
+    private static final CompoundTag[] A = new CompoundTag[0];
 
     public Chunk1_15Type(ClientWorld param) {
         super(param, Chunk.class);
@@ -28,38 +27,31 @@ public class Chunk1_15Type extends PartialType<Chunk, ClientWorld> {
         int chunkX = input.readInt();
         int chunkZ = input.readInt();
 
-        boolean groundUp = input.readBoolean();
+        boolean fullChunk = input.readBoolean();
         int primaryBitmask = Type.VAR_INT.read(input);
         CompoundTag heightMap = Type.NBT.read(input);
 
-        int[] biomeData = groundUp ? new int[1024] : null;
+        int[] biomeData = fullChunk ? new int[1024] : null;
-        if (groundUp) {
+        if (fullChunk) {
             for (int i = 0; i < 1024; i++) {
                 biomeData[i] = input.readInt();
             }
         }
 
-        Type.VAR_INT.read(input);
+        Type.VAR_INT.read(input); // data size in bytes
-
-        BitSet usedSections = new BitSet(16);
-        ChunkSection[] sections = new ChunkSection[16];
-        // Calculate section count from bitmask
-        for (int i = 0; i < 16; i++) {
-            if ((primaryBitmask & (1 << i)) != 0) {
-                usedSections.set(i);
-            }
-        }
 
         // Read sections
+        ChunkSection[] sections = new ChunkSection[16];
         for (int i = 0; i < 16; i++) {
-            if (!usedSections.get(i)) continue; // Section not set
+            if ((primaryBitmask & (1 << i)) == 0) continue; // Section not set
+
             short nonAirBlocksCount = input.readShort();
             ChunkSection section = Types1_13.CHUNK_SECTION.read(input);
             section.setNonAirBlocksCount(nonAirBlocksCount);
             sections[i] = section;
         }
 
-        List<CompoundTag> nbtData = new ArrayList<>(Arrays.asList(Type.NBT_ARRAY.read(input)));
+        List<CompoundTag> nbtData = Arrays.asList(Type.NBT_ARRAY.read(input));
 
         // Read all the remaining bytes (workaround for #681)
         if (input.readableBytes() > 0) {
@@ -69,7 +61,7 @@ public class Chunk1_15Type extends PartialType<Chunk, ClientWorld> {
             }
         }
 
-        return new BaseChunk(chunkX, chunkZ, groundUp, primaryBitmask, sections, biomeData, heightMap, nbtData);
+        return new BaseChunk(chunkX, chunkZ, fullChunk, primaryBitmask, sections, biomeData, heightMap, nbtData);
     }
 
     @Override
@@ -77,7 +69,7 @@ public class Chunk1_15Type extends PartialType<Chunk, ClientWorld> {
         output.writeInt(chunk.getX());
         output.writeInt(chunk.getZ());
 
-        output.writeBoolean(chunk.isGroundUp());
+        output.writeBoolean(chunk.isFullChunk());
         Type.VAR_INT.write(output, chunk.getBitmask());
         Type.NBT.write(output, chunk.getHeightMap());
 
@@ -93,6 +85,7 @@ public class Chunk1_15Type extends PartialType<Chunk, ClientWorld> {
             for (int i = 0; i < 16; i++) {
                 ChunkSection section = chunk.getSections()[i];
                 if (section == null) continue; // Section not set
+
                 buf.writeShort(section.getNonAirBlocksCount());
                 Types1_13.CHUNK_SECTION.write(buf, section);
             }
@@ -104,7 +97,7 @@ public class Chunk1_15Type extends PartialType<Chunk, ClientWorld> {
         }
 
         // Write Block Entities
-        Type.NBT_ARRAY.write(output, chunk.getBlockEntities().toArray(new CompoundTag[0]));
+        Type.NBT_ARRAY.write(output, chunk.getBlockEntities().toArray(A));
     }
 
     @Override

common/src/main/java/us/myles/ViaVersion/protocols/protocol1_9_1_2to1_9_3_4/types/Chunk1_9_3_4Type.java

@@ -13,9 +13,7 @@ import us.myles.ViaVersion.api.type.types.minecraft.BaseChunkType;
 import us.myles.ViaVersion.api.type.types.version.Types1_9;
 import us.myles.ViaVersion.protocols.protocol1_9_3to1_9_1_2.storage.ClientWorld;
 
-import java.util.ArrayList;
 import java.util.Arrays;
-import java.util.BitSet;
 import java.util.List;
 
 public class Chunk1_9_3_4Type extends PartialType<Chunk, ClientWorld> {
@@ -29,22 +27,15 @@ public class Chunk1_9_3_4Type extends PartialType<Chunk, ClientWorld> {
         int chunkX = input.readInt();
         int chunkZ = input.readInt();
 
-        boolean groundUp = input.readBoolean();
+        boolean fullChunk = input.readBoolean();
         int primaryBitmask = Type.VAR_INT.read(input);
         Type.VAR_INT.read(input);
 
-        BitSet usedSections = new BitSet(16);
-        ChunkSection[] sections = new ChunkSection[16];
-        // Calculate section count from bitmask
-        for (int i = 0; i < 16; i++) {
-            if ((primaryBitmask & (1 << i)) != 0) {
-                usedSections.set(i);
-            }
-        }
-
         // Read sections
+        ChunkSection[] sections = new ChunkSection[16];
         for (int i = 0; i < 16; i++) {
-            if (!usedSections.get(i)) continue; // Section not set
+            if ((primaryBitmask & (1 << i)) == 0) continue; // Section not set
+
             ChunkSection section = Types1_9.CHUNK_SECTION.read(input);
             sections[i] = section;
             section.readBlockLight(input);
@@ -53,14 +44,14 @@ public class Chunk1_9_3_4Type extends PartialType<Chunk, ClientWorld> {
             }
         }
 
-        int[] biomeData = groundUp ? new int[256] : null;
+        int[] biomeData = fullChunk ? new int[256] : null;
-        if (groundUp) {
+        if (fullChunk) {
             for (int i = 0; i < 256; i++) {
                 biomeData[i] = input.readByte() & 0xFF;
             }
         }
 
-        List<CompoundTag> nbtData = new ArrayList<>(Arrays.asList(Type.NBT_ARRAY.read(input)));
+        List<CompoundTag> nbtData = Arrays.asList(Type.NBT_ARRAY.read(input));
 
         // Read all the remaining bytes (workaround for #681)
         if (input.readableBytes() > 0) {
@@ -70,7 +61,7 @@ public class Chunk1_9_3_4Type extends PartialType<Chunk, ClientWorld> {
             }
         }
 
-        return new BaseChunk(chunkX, chunkZ, groundUp, primaryBitmask, sections, biomeData, nbtData);
+        return new BaseChunk(chunkX, chunkZ, fullChunk, primaryBitmask, sections, biomeData, nbtData);
     }
 
     @Override
@@ -78,7 +69,7 @@ public class Chunk1_9_3_4Type extends PartialType<Chunk, ClientWorld> {
         output.writeInt(chunk.getX());
         output.writeInt(chunk.getZ());
 
-        output.writeBoolean(chunk.isGroundUp());
+        output.writeBoolean(chunk.isFullChunk());
         Type.VAR_INT.write(output, chunk.getBitmask());
 
         ByteBuf buf = output.alloc().buffer();
@@ -91,7 +82,6 @@ public class Chunk1_9_3_4Type extends PartialType<Chunk, ClientWorld> {
 
                 if (!section.hasSkyLight()) continue; // No sky light, we're done here.
                 section.writeSkyLight(buf);
-
             }
             buf.readerIndex(0);
             Type.VAR_INT.write(output, buf.readableBytes() + (chunk.isBiomeData() ? 256 : 0));

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

@@ -75,7 +75,7 @@ public class Chunk1_9_1_2Type extends PartialType<Chunk, ClientWorld> {
         output.writeInt(chunk.getX());
         output.writeInt(chunk.getZ());
 
-        output.writeBoolean(chunk.isGroundUp());
+        output.writeBoolean(chunk.isFullChunk());
         Type.VAR_INT.write(output, chunk.getBitmask());
 
         ByteBuf buf = output.alloc().buffer();

common/src/main/java/us/myles/ViaVersion/protocols/protocol1_9to1_8/types/Chunk1_9to1_8Type.java

@@ -54,7 +54,7 @@ public class Chunk1_9to1_8Type extends PartialType<Chunk, ClientChunks> {
         int chunkX = input.readInt();
         int chunkZ = input.readInt();
         long chunkHash = toLong(chunkX, chunkZ);
-        boolean groundUp = input.readByte() != 0;
+        boolean fullChunk = input.readByte() != 0;
         int bitmask = input.readUnsignedShort();
         int dataLength = Type.VAR_INT.read(input);
 
@@ -74,7 +74,7 @@ public class Chunk1_9to1_8Type extends PartialType<Chunk, ClientChunks> {
         // If the chunks is from a chunks bulk, it is never an unload packet
         // Other wise, if it has no data, it is :)
         boolean isBulkPacket = param.getBulkChunks().remove(chunkHash);
-        if (sectionCount == 0 && groundUp && !isBulkPacket && param.getLoadedChunks().contains(chunkHash)) {
+        if (sectionCount == 0 && fullChunk && !isBulkPacket && param.getLoadedChunks().contains(chunkHash)) {
             // This is a chunks unload packet
             param.getLoadedChunks().remove(chunkHash);
             return new Chunk1_8(chunkX, chunkZ);
@@ -121,11 +121,11 @@ public class Chunk1_9to1_8Type extends PartialType<Chunk, ClientChunks> {
 
         // Check remaining bytes
         if (bytesLeft > 0) {
-            Via.getPlatform().getLogger().log(Level.WARNING, bytesLeft + " Bytes left after reading chunks! (" + groundUp + ")");
+            Via.getPlatform().getLogger().log(Level.WARNING, bytesLeft + " Bytes left after reading chunks! (" + fullChunk + ")");
         }
 
         // Return chunks
-        return new Chunk1_8(chunkX, chunkZ, groundUp, bitmask, sections, biomeData, new ArrayList<CompoundTag>());
+        return new Chunk1_8(chunkX, chunkZ, fullChunk, bitmask, sections, biomeData, new ArrayList<CompoundTag>());
     }
 
     @Override
@@ -137,7 +137,7 @@ public class Chunk1_9to1_8Type extends PartialType<Chunk, ClientChunks> {
         output.writeInt(chunk.getX());
         output.writeInt(chunk.getZ());
         if (chunk.isUnloadPacket()) return;
-        output.writeByte(chunk.isGroundUp() ? 0x01 : 0x00);
+        output.writeByte(chunk.isFullChunk() ? 0x01 : 0x00);
         Type.VAR_INT.write(output, chunk.getBitmask());
 
         ByteBuf buf = output.alloc().buffer();
@@ -150,7 +150,6 @@ public class Chunk1_9to1_8Type extends PartialType<Chunk, ClientChunks> {
 
                 if (!section.hasSkyLight()) continue; // No sky light, we're done here.
                 section.writeSkyLight(buf);
-
             }
             buf.readerIndex(0);
             Type.VAR_INT.write(output, buf.readableBytes() + (chunk.hasBiomeData() ? 256 : 0));