diff options
Diffstat (limited to 'patches/server/0971-Fix-NPE-on-null-loc-for-EntityTeleportEvent.patch')
-rw-r--r-- | patches/server/0971-Fix-NPE-on-null-loc-for-EntityTeleportEvent.patch | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/patches/server/0971-Fix-NPE-on-null-loc-for-EntityTeleportEvent.patch b/patches/server/0971-Fix-NPE-on-null-loc-for-EntityTeleportEvent.patch new file mode 100644 index 0000000000..5ef39afe5c --- /dev/null +++ b/patches/server/0971-Fix-NPE-on-null-loc-for-EntityTeleportEvent.patch @@ -0,0 +1,66 @@ +From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 +From: Jake Potrebic <[email protected]> +Date: Sat, 9 Dec 2023 19:15:59 -0800 +Subject: [PATCH] Fix NPE on null loc for EntityTeleportEvent + +EntityTeleportEvent#setTo is marked as nullable and so is the +getTo method. This fixes the handling of a null "to" location +by treating it the same as the event being cancelled. This is +already existing behavior for the EntityPortalEvent (which +extends EntityTeleportEvent). + +diff --git a/src/main/java/net/minecraft/server/commands/TeleportCommand.java b/src/main/java/net/minecraft/server/commands/TeleportCommand.java +index 3fec07b250a8f145e30c8c41888e47d2a3c902e1..2ddd033e1c3a2e5c8950b93c838491923803ccce 100644 +--- a/src/main/java/net/minecraft/server/commands/TeleportCommand.java ++++ b/src/main/java/net/minecraft/server/commands/TeleportCommand.java +@@ -169,9 +169,10 @@ public class TeleportCommand { + Location to = new Location(world.getWorld(), x, y, z, f2, f3); + EntityTeleportEvent event = new EntityTeleportEvent(target.getBukkitEntity(), target.getBukkitEntity().getLocation(), to); + world.getCraftServer().getPluginManager().callEvent(event); +- if (event.isCancelled()) { ++ if (event.isCancelled() || event.getTo() == null) { // Paper + return; + } ++ to = event.getTo(); // Paper - actually track new location + + x = to.getX(); + y = to.getY(); +diff --git a/src/main/java/net/minecraft/world/entity/LivingEntity.java b/src/main/java/net/minecraft/world/entity/LivingEntity.java +index 211e9bb82e65bdd5811c3b4df7ac93741fc7cdc3..e2e5ec647725f1f16067003ec773530d72fc5fcf 100644 +--- a/src/main/java/net/minecraft/world/entity/LivingEntity.java ++++ b/src/main/java/net/minecraft/world/entity/LivingEntity.java +@@ -4201,7 +4201,7 @@ public abstract class LivingEntity extends Entity implements Attackable { + if (!(this instanceof ServerPlayer)) { + EntityTeleportEvent teleport = new EntityTeleportEvent(this.getBukkitEntity(), new Location(this.level().getWorld(), d3, d4, d5), new Location(this.level().getWorld(), d0, d6, d2)); + this.level().getCraftServer().getPluginManager().callEvent(teleport); +- if (!teleport.isCancelled()) { ++ if (!teleport.isCancelled() && teleport.getTo() != null) { // Paper + Location to = teleport.getTo(); + this.teleportTo(to.getX(), to.getY(), to.getZ()); + } else { +diff --git a/src/main/java/net/minecraft/world/entity/ai/goal/FollowOwnerGoal.java b/src/main/java/net/minecraft/world/entity/ai/goal/FollowOwnerGoal.java +index 8e2f7e2385588224018f7f94ed9686415bc91deb..c0da573e3818a1dd2c1ef5a61c7cb34934b0a252 100644 +--- a/src/main/java/net/minecraft/world/entity/ai/goal/FollowOwnerGoal.java ++++ b/src/main/java/net/minecraft/world/entity/ai/goal/FollowOwnerGoal.java +@@ -129,7 +129,7 @@ public class FollowOwnerGoal extends Goal { + } else { + // CraftBukkit start + EntityTeleportEvent event = CraftEventFactory.callEntityTeleportEvent(this.tamable, (double) x + 0.5D, (double) y, (double) z + 0.5D); +- if (event.isCancelled()) { ++ if (event.isCancelled() || event.getTo() == null) { // Paper + return false; + } + Location to = event.getTo(); +diff --git a/src/main/java/net/minecraft/world/entity/monster/Shulker.java b/src/main/java/net/minecraft/world/entity/monster/Shulker.java +index 06ab07fb5d8d0e2f97325890218a11fef551a0ba..b73dac8f68041f8a2e0752d70cc9d08b5cfd1cde 100644 +--- a/src/main/java/net/minecraft/world/entity/monster/Shulker.java ++++ b/src/main/java/net/minecraft/world/entity/monster/Shulker.java +@@ -408,7 +408,7 @@ public class Shulker extends AbstractGolem implements VariantHolder<Optional<Dye + if (enumdirection != null) { + // CraftBukkit start + EntityTeleportEvent teleportEvent = CraftEventFactory.callEntityTeleportEvent(this, blockposition1.getX(), blockposition1.getY(), blockposition1.getZ()); +- if (teleportEvent.isCancelled()) { ++ if (teleportEvent.isCancelled() || teleportEvent.getTo() == null) { // Paper + return false; + } else { + blockposition1 = CraftLocation.toBlockPosition(teleportEvent.getTo()); |