Add methods to change entity physics (#10334)

1 files changed, 20 insertions, 0 deletions

diff --git a/patches/server/0697-Use-a-CHM-for-StructureTemplate.Pallete-cache.patch b/patches/server/0697-Use-a-CHM-for-StructureTemplate.Pallete-cache.patch
new file mode 100644
index 0000000000..1b86e32b63
--- /dev/null
+++ b/patches/server/0697-Use-a-CHM-for-StructureTemplate.Pallete-cache.patch
@@ -0,0 +1,20 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Shane Freeder <[email protected]>
+Date: Mon, 12 Jul 2021 12:28:29 +0100
+Subject: [PATCH] Use a CHM for StructureTemplate.Pallete cache
+
+fixes a CME due to this collection being shared across threads
+
+diff --git a/src/main/java/net/minecraft/world/level/levelgen/structure/templatesystem/StructureTemplate.java b/src/main/java/net/minecraft/world/level/levelgen/structure/templatesystem/StructureTemplate.java
+index 75ba5a7fe002b5834f12e3a1159c15e6166c9c28..be8aab51a1b92a3a0cc94976975fc3aabc46f0b4 100644
+--- a/src/main/java/net/minecraft/world/level/levelgen/structure/templatesystem/StructureTemplate.java
++++ b/src/main/java/net/minecraft/world/level/levelgen/structure/templatesystem/StructureTemplate.java
+@@ -852,7 +852,7 @@ public class StructureTemplate {
+     public static final class Palette {
+ 
+         private final List<StructureTemplate.StructureBlockInfo> blocks;
+-        private final Map<Block, List<StructureTemplate.StructureBlockInfo>> cache = Maps.newHashMap();
++        private final Map<Block, List<StructureTemplate.StructureBlockInfo>> cache = Maps.newConcurrentMap(); // Paper - Fix CME due to this collection being shared across threads
+ 
+         Palette(List<StructureTemplate.StructureBlockInfo> infos) {
+             this.blocks = infos;