From 9f319128cc6ff2843270ff0d4a5ede5eb11bb71f Mon Sep 17 00:00:00 2001
From: D4rkr34lm <darth.m.frohn@gmail.com>
Date: Sun, 17 May 2026 13:49:46 +0200
Subject: [PATCH] Update multiblock update packet filter

---
 .../src/de/steamwar/techhider/TechHider.java  | 22 +++++++------------
 1 file changed, 8 insertions(+), 14 deletions(-)

diff --git a/SpigotCore/SpigotCore_Main/src/de/steamwar/techhider/TechHider.java b/SpigotCore/SpigotCore_Main/src/de/steamwar/techhider/TechHider.java
index c3a467cc..61358c26 100644
--- a/SpigotCore/SpigotCore_Main/src/de/steamwar/techhider/TechHider.java
+++ b/SpigotCore/SpigotCore_Main/src/de/steamwar/techhider/TechHider.java
@@ -15,6 +15,7 @@ import it.unimi.dsi.fastutil.ints.IntArrayList;
 import it.unimi.dsi.fastutil.ints.IntList;
 import it.unimi.dsi.fastutil.shorts.ShortArraySet;
 import it.unimi.dsi.fastutil.shorts.ShortSets;
+import net.minecraft.resources.ResourceLocation;
 import net.minecraft.server.packs.repository.Pack;
 import net.minecraft.world.level.block.entity.BlockEntityType;
 import net.minecraft.world.phys.Vec3;
@@ -299,7 +300,7 @@ public abstract class TechHider {
                 ClientboundBlockChangedAckPacket.class, // 7.1.5 Acknowledge Block Change
                 ClientboundChunkBatchFinishedPacket.class, // 7.1.12 Chunk Batch Finished (Delimiter)
                 ClientboundChunkBatchStartPacket.class, // 7.1.13 Chunk Batch Start (Delimiter)
-                ClientboundChunksBiomesPacket.class, // 7.1.14 Chunk Biomes
+                // ClientboundChunksBiomesPacket.class, // 7.1.14 Chunk Biomes
                 ClientboundContainerClosePacket.class, // 7.1.18 Close Container
                 ClientboundSetChunkCacheCenterPacket.class, // 7.1.93 Set Center Chunk
                 ClientboundForgetLevelChunkPacket.class, // 7.1.38 Unload Chunk
@@ -571,26 +572,18 @@ public abstract class TechHider {
         for (int i = 0; i < oldPos.length; i++) {
             short posShort = oldPos[i];
             BlockState state = oldStates[i];
+            Block block = state.getBlock();
 
             int worldX = sectionPos.relativeToBlockX(posShort);
             int worldY = sectionPos.relativeToBlockY(posShort);
             int worldZ = sectionPos.relativeToBlockZ(posShort);
 
-            BlockPos pos = new BlockPos(worldX, worldY, worldZ);
-
-            if (isPlayerPrivilegedToAccessBlockPos(p, pos.getX(), pos.getY(), pos.getZ())) {
+            if (isPlayerPrivilegedToAccessPosition(p, worldX, worldY, worldZ) && isPlayerPrivilegedToAccessBlock(p, worldX, worldY, worldZ, block)) {
                 filteredPos.add(posShort);
                 filteredStates.add(state);
-            } else {
-                int id = Block.getId(state);
-                if (blockIdsToObfuscate.contains(id)) {
-                    filteredPos.add(posShort);
-                    filteredStates.add(blockToObfuscateTo);
-                    modified = true;
-                } else {
-                    filteredPos.add(posShort);
-                    filteredStates.add(state);
-                }
+            } else if(isPlayerPrivilegedToAccessPosition(p, worldX, worldY, worldZ)){
+                filteredPos.add(posShort);
+                filteredStates.add(blockStateUsedForObfuscation);
             }
         }
 
@@ -672,4 +665,5 @@ public abstract class TechHider {
     public abstract boolean isPlayerPrivilegedToAccessEntity(Player p, int entityId);
     public abstract boolean isPlayerPrivilegedToAccessBlocEntity(Player p, int blockX, int blockY, int blockZ, BlockEntityType<?> type);
     public abstract boolean isPlayerPrivilegedToAccessContainer(Player p, int containerId);
+    public abstract boolean isPlayerPrivilegedToAccessSound(Player p, ResourceLocation soundId);
 }