From ac7dc2d2d57d203d9bf41c99ea02c86c9c5076cc Mon Sep 17 00:00:00 2001
From: YoyoNow <jwsteam@nidido.de>
Date: Tue, 27 Oct 2026 10:10:18 +0100
Subject: [PATCH] Use Mth.floor instead of int casts for TechHider coordinates
 (int) truncates toward zero, so negative coordinates were checked against the
 wrong block. Matches the server's block position math.

---
 .../src/de/steamwar/techhider/TechHider.java    | 17 ++++++++---------
 1 file changed, 8 insertions(+), 9 deletions(-)

diff --git a/SpigotCore/SpigotCore_Main/src/de/steamwar/techhider/TechHider.java b/SpigotCore/SpigotCore_Main/src/de/steamwar/techhider/TechHider.java
index dc9f5b5c..eee198e6 100644
--- a/SpigotCore/SpigotCore_Main/src/de/steamwar/techhider/TechHider.java
+++ b/SpigotCore/SpigotCore_Main/src/de/steamwar/techhider/TechHider.java
@@ -21,13 +21,12 @@ package de.steamwar.techhider;
 
 import de.steamwar.techhider.AccessPrivilegeProvider.ForPlayer;
 import com.comphenix.tinyprotocol.TinyProtocol;
-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.core.BlockPos;
 import net.minecraft.core.SectionPos;
 import net.minecraft.network.PacketListener;
+import net.minecraft.util.Mth;
 import net.minecraft.network.protocol.Packet;
 import net.minecraft.network.protocol.common.*;
 import net.minecraft.network.protocol.configuration.ClientboundFinishConfigurationPacket;
@@ -295,9 +294,9 @@ public class TechHider {
         processors.put(ClientboundExplodePacket.class, (access, rawPacket) -> {
             ClientboundExplodePacket packet = (ClientboundExplodePacket) rawPacket;
             Vec3 pos = packet.center();
-            int blockX = (int) pos.x;
-            int blockY = (int) pos.y;
-            int blockZ = (int) pos.z;
+            int blockX = Mth.floor(pos.x);
+            int blockY = Mth.floor(pos.y);
+            int blockZ = Mth.floor(pos.z);
 
 
             return proccessPositionBasedPacket(access, blockX, blockY, blockZ, packet);
@@ -365,7 +364,7 @@ public class TechHider {
     }
 
     private Packet<? extends PacketListener> processAddEntityPacket(ForPlayer access, ClientboundAddEntityPacket packet) {
-        if (access.canAccessEntity(packet.getId()) && access.canAccessPosition((int) packet.getX(), (int) packet.getY(), (int) packet.getZ())) {
+        if (access.canAccessEntity(packet.getId()) && access.canAccessPosition(Mth.floor(packet.getX()), Mth.floor(packet.getY()), Mth.floor(packet.getZ()))) {
             return packet;
         } else {
             return null;
@@ -511,9 +510,9 @@ public class TechHider {
     }
 
     private Packet<?> processLevelParticlesPacket(ForPlayer access, ClientboundLevelParticlesPacket packet) {
-        int blockX = (int) packet.getX();
-        int blockY = (int) packet.getY();
-        int blockZ = (int) packet.getZ();
+        int blockX = Mth.floor(packet.getX());
+        int blockY = Mth.floor(packet.getY());
+        int blockZ = Mth.floor(packet.getZ());
 
         if (access.canAccessPosition(blockX, blockY, blockZ)) {
             return packet;