From 356cf1f5c0c8f95db28987cdd9739573798b7314 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Florian=20N=C3=BCcke?= <florian@nuecke.de>
Date: Sun, 13 Feb 2022 17:26:06 +0100
Subject: [PATCH] Always store data, even if empty, to know device existed.

---
 .../oc2/common/bus/AbstractGroupingDeviceBusElement.java    | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/src/main/java/li/cil/oc2/common/bus/AbstractGroupingDeviceBusElement.java b/src/main/java/li/cil/oc2/common/bus/AbstractGroupingDeviceBusElement.java
index 44fb0319..f34194b8 100644
--- a/src/main/java/li/cil/oc2/common/bus/AbstractGroupingDeviceBusElement.java
+++ b/src/main/java/li/cil/oc2/common/bus/AbstractGroupingDeviceBusElement.java
@@ -243,10 +243,8 @@ public abstract class AbstractGroupingDeviceBusElement<TEntry extends AbstractGr
         final CompoundTag devicesTag = new CompoundTag();
         for (final TEntry entry : groups.get(index)) {
             entry.getDeviceDataKey().ifPresent(key -> {
-                final CompoundTag deviceTag = entry.getDevice().serializeNBT();
-                if (!deviceTag.isEmpty()) {
-                    devicesTag.put(key, deviceTag);
-                }
+                // Always store, even if the data is empty, so we know an device by this provider existed.
+                devicesTag.put(key, entry.getDevice().serializeNBT());
             });
         }