From 01273e0ed7d77b61315e0e438452b07d9b27c162 Mon Sep 17 00:00:00 2001
From: Jordan <dordsor21@gmail.com>
Date: Sun, 21 Jul 2024 14:59:12 +0200
Subject: [PATCH] fix: use new index calculations for BlockVectorSet remove
 (#2842)

- fixes #2841
---
 .../com/fastasyncworldedit/core/math/BlockVectorSet.java | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/worldedit-core/src/main/java/com/fastasyncworldedit/core/math/BlockVectorSet.java b/worldedit-core/src/main/java/com/fastasyncworldedit/core/math/BlockVectorSet.java
index b181f9506..8911099af 100644
--- a/worldedit-core/src/main/java/com/fastasyncworldedit/core/math/BlockVectorSet.java
+++ b/worldedit-core/src/main/java/com/fastasyncworldedit/core/math/BlockVectorSet.java
@@ -192,12 +192,13 @@ public class BlockVectorSet extends AbstractCollection<BlockVector3> implements
     }
 
     public boolean remove(int x, int y, int z) {
-        int pair = MathMan.pair((short) (x >> 11), (short) (z >> 11));
-        LocalBlockVectorSet localMap = localSets.get(pair);
+        int indexedY = (y + 128) >> 9;
+        long triple = MathMan.tripleWorldCoord((x >> 11), indexedY, (z >> 11));
+        LocalBlockVectorSet localMap = localSets.get(triple);
         if (localMap != null) {
-            if (localMap.remove(x & 2047, y, z & 2047)) {
+            if (localMap.remove(x & 2047, ((y + 128) & 511) - 128, z & 2047)) {
                 if (localMap.isEmpty()) {
-                    localSets.remove(pair);
+                    localSets.remove(triple);
                 }
                 return true;
             }