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-rw-r--r--patches/server/1068-Always-send-Banner-patterns-to-the-client.patch42
1 files changed, 42 insertions, 0 deletions
diff --git a/patches/server/1068-Always-send-Banner-patterns-to-the-client.patch b/patches/server/1068-Always-send-Banner-patterns-to-the-client.patch
new file mode 100644
index 0000000000..a94cb24ca6
--- /dev/null
+++ b/patches/server/1068-Always-send-Banner-patterns-to-the-client.patch
@@ -0,0 +1,42 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Shane Freeder <[email protected]>
+Date: Sun, 20 Oct 2024 18:23:59 +0100
+Subject: [PATCH] Always send Banner patterns to the client
+
+The mojang client will not remove patterns from a Banner when none
+are sent inside of an update packet, given that this is not an expected
+flow for them, this is not all too surprising. So, we shall resort to always
+sending the patterns over the network for update packets.
+
+diff --git a/src/main/java/net/minecraft/world/level/block/entity/BannerBlockEntity.java b/src/main/java/net/minecraft/world/level/block/entity/BannerBlockEntity.java
+index 60c26076e7acf869fa0e20fdc14eeec341387d99..91352f49fba00481027824a87d30b5f5974c09d4 100644
+--- a/src/main/java/net/minecraft/world/level/block/entity/BannerBlockEntity.java
++++ b/src/main/java/net/minecraft/world/level/block/entity/BannerBlockEntity.java
+@@ -63,7 +63,7 @@ public class BannerBlockEntity extends BlockEntity implements Nameable {
+ @Override
+ protected void saveAdditional(CompoundTag nbt, HolderLookup.Provider registryLookup) {
+ super.saveAdditional(nbt, registryLookup);
+- if (!this.patterns.equals(BannerPatternLayers.EMPTY)) {
++ if (!this.patterns.equals(BannerPatternLayers.EMPTY) || serialisingForNetwork) { // Paper - always send patterns to client
+ nbt.put("patterns", (Tag) BannerPatternLayers.CODEC.encodeStart(registryLookup.createSerializationContext(NbtOps.INSTANCE), this.patterns).getOrThrow());
+ }
+
+@@ -95,9 +95,17 @@ public class BannerBlockEntity extends BlockEntity implements Nameable {
+ return ClientboundBlockEntityDataPacket.create(this);
+ }
+
++ // Paper start
++ boolean serialisingForNetwork = false; // paper - always send patterns to client
+ @Override
+ public CompoundTag getUpdateTag(HolderLookup.Provider registryLookup) {
+- return this.saveWithoutMetadata(registryLookup);
++ boolean wasSerialisingForNetwork = serialisingForNetwork;
++ try {
++ serialisingForNetwork = true;
++ return this.saveWithoutMetadata(registryLookup);
++ } finally {
++ serialisingForNetwork = wasSerialisingForNetwork;
++ }
+ }
+
+ public BannerPatternLayers getPatterns() {