From f5f9ae6a85dc9b3e075ee4dcc4606751c24cc9b6 Mon Sep 17 00:00:00 2001
From: Pierre Maurice Schwang <mail@pschwang.eu>
Date: Thu, 29 Aug 2024 07:18:11 +0200
Subject: [PATCH] Fix: Copy-Paste-Brush with falsy mask (#2899)

* fix: don't attempt to load all possible world chunks when copy pasta brush empty clipboard

* chore: move check into ResizableClipboardBuilder
---
 .../core/extent/clipboard/ResizableClipboardBuilder.java       | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/worldedit-core/src/main/java/com/fastasyncworldedit/core/extent/clipboard/ResizableClipboardBuilder.java b/worldedit-core/src/main/java/com/fastasyncworldedit/core/extent/clipboard/ResizableClipboardBuilder.java
index 05089a111..4efa4f456 100644
--- a/worldedit-core/src/main/java/com/fastasyncworldedit/core/extent/clipboard/ResizableClipboardBuilder.java
+++ b/worldedit-core/src/main/java/com/fastasyncworldedit/core/extent/clipboard/ResizableClipboardBuilder.java
@@ -58,6 +58,9 @@ public class ResizableClipboardBuilder extends MemoryOptimizedHistory {
     }
 
     public Clipboard build() {
+        if (longSize() == 0) {
+            return EmptyClipboard.getInstance();
+        }
         BlockVector3 pos1 = BlockVector3.at(minX, minY, minZ);
         BlockVector3 pos2 = BlockVector3.at(maxX, maxY, maxZ);
         CuboidRegion region = new CuboidRegion(pos1, pos2);