From b5fba9fc99691500c843a7594997c789ac57a507 Mon Sep 17 00:00:00 2001
From: Ruben Taelman <rubensworks@gmail.com>
Date: Thu, 3 Aug 2023 14:18:15 +0200
Subject: [PATCH] Fix capabilities baking multiple times, #177

---
 .../capabilities/CapabilityConstructorRegistry.java         | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/main/java/org/cyclops/cyclopscore/modcompat/capabilities/CapabilityConstructorRegistry.java b/src/main/java/org/cyclops/cyclopscore/modcompat/capabilities/CapabilityConstructorRegistry.java
index 76e4b4afbd..6c6b54b2a3 100644
--- a/src/main/java/org/cyclops/cyclopscore/modcompat/capabilities/CapabilityConstructorRegistry.java
+++ b/src/main/java/org/cyclops/cyclopscore/modcompat/capabilities/CapabilityConstructorRegistry.java
@@ -239,8 +239,10 @@ protected <K, V> void onLoad(Map<Class<? extends K>, List<ICapabilityConstructor
                                  @Nullable Map<? extends K, List<ICapabilityConstructor<?, ? extends K, ? extends V>>> allInstanceConstructors,
                                  K keyObject, V valueObject, AttachCapabilitiesEvent<?> event, Class<? extends K> baseClass) {
         boolean initialized = baked || MinecraftHelpers.isMinecraftInitialized();
-        if (!baked && MinecraftHelpers.isMinecraftInitialized()) {
-            bake();
+        synchronized (this) {
+            if (!baked && MinecraftHelpers.isMinecraftInitialized()) {
+                bake();
+            }
         }
 
         // Normal constructors