From a55320030fdf79f3308de958fedab1f8aa2fe905 Mon Sep 17 00:00:00 2001
From: Jonas Herzig <me@johni0702.de>
Date: Sun, 27 Sep 2020 15:28:08 +0200
Subject: [PATCH] Fix thread-unsafe mc method call in FullReplaySender (fixes
 #370)

---
 .../java/com/replaymod/replay/FullReplaySender.java    | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/src/main/java/com/replaymod/replay/FullReplaySender.java b/src/main/java/com/replaymod/replay/FullReplaySender.java
index 6c60a5a6..95c847ed 100644
--- a/src/main/java/com/replaymod/replay/FullReplaySender.java
+++ b/src/main/java/com/replaymod/replay/FullReplaySender.java
@@ -729,10 +729,12 @@ public class FullReplaySender extends ChannelDuplexHandler implements ReplaySend
             final PlayerPositionLookS2CPacket ppl = (PlayerPositionLookS2CPacket) p;
             if(!hasWorldLoaded) hasWorldLoaded = true;
 
-            if (mc.currentScreen instanceof DownloadingTerrainScreen) {
-                // Close the world loading screen manually in case we swallow the packet
-                mc.openScreen(null);
-            }
+            ReplayMod.instance.runLater(() -> {
+                if (mc.currentScreen instanceof DownloadingTerrainScreen) {
+                    // Close the world loading screen manually in case we swallow the packet
+                    mc.openScreen(null);
+                }
+            });
 
             if(replayHandler.shouldSuppressCameraMovements()) return null;