From d0ca08738b2d913195e91ed25e34894114110085 Mon Sep 17 00:00:00 2001
From: bixilon <bixilon@bixilon.de>
Date: Sat, 13 Jun 2020 22:09:43 +0200
Subject: [PATCH] minimal less memory usage in chunk storing (don't store air)

---
 .../packets/clientbound/play/PacketChunkBulk.java         | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/main/java/de/bixilon/minosoft/protocol/packets/clientbound/play/PacketChunkBulk.java b/src/main/java/de/bixilon/minosoft/protocol/packets/clientbound/play/PacketChunkBulk.java
index 98658ccf2..3eb40c63a 100644
--- a/src/main/java/de/bixilon/minosoft/protocol/packets/clientbound/play/PacketChunkBulk.java
+++ b/src/main/java/de/bixilon/minosoft/protocol/packets/clientbound/play/PacketChunkBulk.java
@@ -13,11 +13,11 @@
 
 package de.bixilon.minosoft.protocol.packets.clientbound.play;
 
+import de.bixilon.minosoft.game.datatypes.blocks.Block;
 import de.bixilon.minosoft.game.datatypes.world.Chunk;
 import de.bixilon.minosoft.game.datatypes.world.ChunkLocation;
 import de.bixilon.minosoft.game.datatypes.world.ChunkNibble;
 import de.bixilon.minosoft.game.datatypes.world.ChunkNibbleLocation;
-import de.bixilon.minosoft.game.datatypes.blocks.Block;
 import de.bixilon.minosoft.logging.Log;
 import de.bixilon.minosoft.protocol.packets.ClientboundPacket;
 import de.bixilon.minosoft.protocol.protocol.InByteBuffer;
@@ -102,7 +102,11 @@ public class PacketChunkBulk implements ClientboundPacket {
 
 
                                         // ToDo light, biome
-                                        blockMap.put(new ChunkNibbleLocation(nibbleX, nibbleY, nibbleZ), Block.byLegacy(singeBlockId, singleMeta));
+                                        Block block = Block.byLegacy(singeBlockId, singleMeta);
+                                        if (block == Block.AIR) {
+                                            continue;
+                                        }
+                                        blockMap.put(new ChunkNibbleLocation(nibbleX, nibbleY, nibbleZ), block);
                                         arrayPos++;
                                     }
                                 }