From a9c89616b141c577c80d8494733224fddf2e38fe Mon Sep 17 00:00:00 2001
From: Pierre Maurice Schwang <mail@pschwang.eu>
Date: Sun, 9 Jun 2024 19:03:46 +0200
Subject: [PATCH] fix: only write into palette once, write into data as varint

---
 .../extent/clipboard/io/FastSchematicWriterV3.java     | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/worldedit-core/src/main/java/com/fastasyncworldedit/core/extent/clipboard/io/FastSchematicWriterV3.java b/worldedit-core/src/main/java/com/fastasyncworldedit/core/extent/clipboard/io/FastSchematicWriterV3.java
index 0299d8628..63c80331e 100644
--- a/worldedit-core/src/main/java/com/fastasyncworldedit/core/extent/clipboard/io/FastSchematicWriterV3.java
+++ b/worldedit-core/src/main/java/com/fastasyncworldedit/core/extent/clipboard/io/FastSchematicWriterV3.java
@@ -132,12 +132,16 @@ public class FastSchematicWriterV3 implements ClipboardWriter {
                 char value = palette[ordinal];
                 if (value == Character.MIN_VALUE) {
                     palette[ordinal] = value = (char) ++index;
+                    // Write to palette
+                    blocks.writeNamedTag(baseBlock.getAsString(), value);
                 }
 
-                // Write to palette
-                blocks.writeNamedTag(baseBlock.getAsString(), value);
                 // Write to cache for "Data" Tag
-                dataBuf.write(value);
+
+                while ((value & -128) != 0) {
+                    dataBuf.write(value & 127 | 128);
+                    value >>>= 7;
+                }
 
                 CompoundBinaryTag tag;
                 if ((tag = baseBlock.getNbt()) != null) {