Merge pull request #1265 from Gerrygames/1.14

only update center chunk when needed

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

@@ -26,6 +26,7 @@ public class WorldPackets {
     private static final int AIR = MappingData.blockStateMappings.getNewBlock(0);
     private static final int VOID_AIR = MappingData.blockStateMappings.getNewBlock(8591);
     private static final int CAVE_AIR = MappingData.blockStateMappings.getNewBlock(8592);
+    public static final int SERVERSIDE_VIEW_DISTANCE = 64;
 
     public static void register(final Protocol protocol) {
 
@@ -191,10 +192,17 @@ public class WorldPackets {
                             lightPacket.write(Type.BYTE_ARRAY, Bytes.asList(data).toArray(new Byte[0]));
                         }
 
+                        EntityTracker entityTracker = wrapper.user().get(EntityTracker.class);
+                        int diffX = Math.abs(entityTracker.getChunkCenterX() - chunk.getX());
+                        int diffZ = Math.abs(entityTracker.getChunkCenterZ() - chunk.getZ());
+                        if (diffX >= SERVERSIDE_VIEW_DISTANCE || diffZ >= SERVERSIDE_VIEW_DISTANCE) {
                             PacketWrapper fakePosLook = wrapper.create(0x40); // Set center chunk
                             fakePosLook.write(Type.VAR_INT, chunk.getX());
                             fakePosLook.write(Type.VAR_INT, chunk.getZ());
                             fakePosLook.send(Protocol1_14To1_13_2.class, true, true);
+                            entityTracker.setChunkCenterX(chunk.getX());
+                            entityTracker.setChunkCenterZ(chunk.getZ());
+                        }
 
                         lightPacket.send(Protocol1_14To1_13_2.class, true, false);
                     }
@@ -294,7 +302,7 @@ public class WorldPackets {
                         wrapper.passthrough(Type.UNSIGNED_BYTE); // Max Players
                         wrapper.passthrough(Type.STRING); // Level Type
 
-                        wrapper.write(Type.VAR_INT, 64);  // Serverside view distance, added in 19w13a
+                        wrapper.write(Type.VAR_INT, SERVERSIDE_VIEW_DISTANCE);  // Serverside view distance, added in 19w13a
                     }
                 });
             }

common/src/main/java/us/myles/ViaVersion/protocols/protocol1_14to1_13_2/storage/EntityTracker.java

@@ -17,6 +17,9 @@ public class EntityTracker extends StoredObject {
     @Getter
     @Setter
     private int latestTradeWindowId;
+    @Getter
+    @Setter
+    private int chunkCenterX, chunkCenterZ;
 
     public EntityTracker(UserConnection user) {
         super(user);