From 35d1b7f24bcfb567614cb1ae69188df0c0c68b50 Mon Sep 17 00:00:00 2001
From: Jonas Herzig <me@johni0702.de>
Date: Wed, 10 Aug 2022 13:47:08 +0200
Subject: [PATCH] Fix game crashing if client disconnects from replay during
 jump

---
 src/main/java/com/replaymod/replay/ReplayHandler.java | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/main/java/com/replaymod/replay/ReplayHandler.java b/src/main/java/com/replaymod/replay/ReplayHandler.java
index 99e90c36..8967aae4 100644
--- a/src/main/java/com/replaymod/replay/ReplayHandler.java
+++ b/src/main/java/com/replaymod/replay/ReplayHandler.java
@@ -704,6 +704,13 @@ public class ReplayHandler {
                         //#else
                         //$$ .processReceivedPackets();
                         //#endif
+
+                // If the packets we just sent somehow caused the client to disconnect, then the above connection tick
+                // call will have unloaded the world, and we'll have to abort what we were doing.
+                if (mc.world == null) {
+                    return;
+                }
+
                 for (Entity entity : mc.world.getEntities()) {
                     skipTeleportInterpolation(entity);
                     entity.lastRenderX = entity.prevX = entity.getX();