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Fix NPE in TeleportUtils if the Entity becomes retired

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The onComplete variable is possibly null and should be checked
before trying to invoke it.

Fixes https://github.com/PaperMC/Folia/issues/151
This commit is contained in:
Spottedleaf 2023-09-06 17:28:06 -07:00
parent f6e91e9a4c
commit 1f46b2ca93
1 changed files with 17 additions and 7 deletions
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24
patches/server/0003-Threaded-Regions.patch
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@ -5472,10 +5472,10 @@ index 0000000000000000000000000000000000000000..112d24a93bddf3d81c9176c05340c94e
+}
diff --git a/src/main/java/io/papermc/paper/threadedregions/TeleportUtils.java b/src/main/java/io/papermc/paper/threadedregions/TeleportUtils.java
new file mode 100644
index 0000000000000000000000000000000000000000..84b4ff07735fb84e28ee8966ffdedb1bb3d07dff
index 0000000000000000000000000000000000000000..7b31c4ea6d01f936271bdadc3626201dcf32a683
--- /dev/null
+++ b/src/main/java/io/papermc/paper/threadedregions/TeleportUtils.java
@@ -0,0 +1,60 @@
@@ -0,0 +1,70 @@
+package io.papermc.paper.threadedregions;
+
+import ca.spottedleaf.concurrentutil.completable.Completable;
@ -5496,7 +5496,9 @@ index 0000000000000000000000000000000000000000..84b4ff07735fb84e28ee8966ffdedb1b
+ positionCompletable.addWaiter(
+ (final Location loc, final Throwable thr) -> {
+ if (loc == null) {
+ onComplete.accept(null);
+ if (onComplete != null) {
+ onComplete.accept(null);
+ }
+ return;
+ }
+ final boolean scheduled = from.getBukkitEntity().taskScheduler.schedule(
@ -5510,12 +5512,16 @@ index 0000000000000000000000000000000000000000..84b4ff07735fb84e28ee8966ffdedb1b
+ );
+ },
+ (final Entity retired) -> {
+ onComplete.accept(null);
+ if (onComplete != null) {
+ onComplete.accept(null);
+ }
+ },
+ 1L
+ );
+ if (!scheduled) {
+ onComplete.accept(null);
+ if (onComplete != null) {
+ onComplete.accept(null);
+ }
+ }
+ }
+ );
@ -5525,12 +5531,16 @@ index 0000000000000000000000000000000000000000..84b4ff07735fb84e28ee8966ffdedb1b
+ positionCompletable.complete(target.getBukkitEntity().getLocation());
+ },
+ (final Entity retired) -> {
+ onComplete.accept(null);
+ if (onComplete != null) {
+ onComplete.accept(null);
+ }
+ },
+ 1L
+ );
+ if (!scheduled) {
+ onComplete.accept(null);
+ if (onComplete != null) {
+ onComplete.accept(null);
+ }
+ }
+ }
+