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Paper/patches/server/0919-Fix-NPE-on-null-loc-for-EntityTeleportEvent.patch

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Jake Potrebic <jake.m.potrebic@gmail.com>
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
2024-04-25 01:25:57 +02:00
index a306b30af19277386a2f3e560b4902a8b5796f2a..54851f6cc0d5fddb32a9a1e84a4f5ae41af18758 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
Updated Upstream (Bukkit/CraftBukkit/Spigot) (#11024) * Updated Upstream (Bukkit/CraftBukkit/Spigot) Upstream has released updates that appear to apply and compile correctly. This update has not been tested by PaperMC and as with ANY update, please do your own testing Bukkit Changes: e86f4dc4 PR-1041: Improve getPlayer(String) docs to clarify it matches the name 9738f005 Fix spawner API documentation 69ebd9fd PR-1034: Add TrialSpawnerSpawnEvent 23cffd9c PR-973: Improve spawner API and add API for Trial Spawners 8bf19163 PR-1038: Clarify HumanEntity#openInventory(InventoryView) JavaDoc 1ff76351 SPIGOT-7732, SPIGOT-7786: Add freezing damage modifier 02161cb4 PR-1034: Add CreatureSpawnEvent.SpawnReason#TRIAL_SPAWNER f9cb6f34 SPIGOT-7777: All entity potion effects are removed on death 25d548eb PR-1031: Expose Creeper igniter ccbf0915 SPIGOT-7770: Reserve spaces in shaped recipes for blank ingredients 17f7097c Clarify ambiguity around what is API 71714f0c Remove note from InventoryView JavaDoc aaf49731 PR-1030: Deprecate more unused methods in UnsafeValues 3a9dc689 SPIGOT-7771: Material.getDefaultAttributes always returns an empty map CraftBukkit Changes: c3ceeb6f7 SPIGOT-7814: Call PlayerShearEntityEvent for Bogged 97b1e4f58 Fix wolf armor not dropping from use of shears fd2ef563a SPIGOT-7812: Revert "SPIGOT-7809: Restore shield/banner conversion for base colours" f672c351b SPIGOT-7811: Enchantments are applied on sweeping attack even if damage event is cancelled cfe29350b SPIGOT-7808: Fix implementation of Enchantment#getName() for bad name return 19335f69e SPIGOT-7809: Restore shield/banner conversion for base colours ae4f5a0be SPIGOT-7805: Fix jukebox deserialization 62e3b73a4 SPIGOT-7804: Fix written book serialization aac911d26 SPIGOT-7800, SPIGOT-7801: Keep vanilla behaviour for items dropped on player death 13ece474f PR-1429: Implement TrialSpawnerSpawnEvent bf13e9113 PR-1354: Improve spawner API and add API for Trial Spawners 515fe49e1 Increase outdated build delay 9cd5a19a0 SPIGOT-7794: Cancelling InventoryItemMoveEvent destroys items ce40c7b14 SPIGOT-7796: Kickplayer newlines not working 5167256ff SPIGOT-7795: Fix damage/stats ignore the invulnerable damage time f993563ee Improve cross-world teleportation handling ab29122cf PR-1433: HumanEntity#openInventory(InventoryView) should only support views belonging to the player 764a541c5 SPIGOT-7732: Issue with the "hurt()" method of EntityLiving and invulnerable time 820084b5f SPIGOT-7791: Skull BlockState with null profile causes NullPointerException 5e46f1c82 SPIGOT-7785: Teleporting a player at the right moment can mess up vanilla teleportation cbd95a6b3 SPIGOT-7772: Include hidden / non-sampled players in player count 3153debc5 SPIGOT-7790: Server crashes after bee nest is forced to update e77bb26bb SPIGOT-7788: The healing power of friendship advancement is never granted ee3d7258a SPIGOT-7789: Fix NPE in CraftMetaFirework applyToItem 2889b3a11 PR-1429: Add CreatureSpawnEvent.SpawnReason#TRIAL_SPAWNER cdd05bc7f SPIGOT-7777: Speed attribute stays after death; missing EntityPotionEffectEvent call d0e6af2d4 PR-1428: Expose Creeper igniter d01c70e93 PR-1425: Fix bytecode transformation taking care of class-to-interface compatibility. b2b08f68c SPIGOT-7770: Fix certain shaped recipes not registering 3f8e4161f PR-1426: Deprecate more unused methods in UnsafeValues 2c9dd879e SPIGOT-7771: Material.getDefaultAttributes always returns an empty map Spigot Changes: 491f3675 Rebuild patches 0a642bd7 Rebuild patches 8897571b Rebuild patches cb8cf80c Fix newlines in custom restart message 1aabe506 Rebuild patches
2024-07-06 21:19:14 +02:00
index 3def6b7919484c330bc1c4aea1a8e2c6ad21f999..ff16c7196b146388c526e3100e561be771ca8a91 100644
--- a/src/main/java/net/minecraft/world/entity/LivingEntity.java
+++ b/src/main/java/net/minecraft/world/entity/LivingEntity.java
Updated Upstream (Bukkit/CraftBukkit/Spigot) (#11024) * Updated Upstream (Bukkit/CraftBukkit/Spigot) Upstream has released updates that appear to apply and compile correctly. This update has not been tested by PaperMC and as with ANY update, please do your own testing Bukkit Changes: e86f4dc4 PR-1041: Improve getPlayer(String) docs to clarify it matches the name 9738f005 Fix spawner API documentation 69ebd9fd PR-1034: Add TrialSpawnerSpawnEvent 23cffd9c PR-973: Improve spawner API and add API for Trial Spawners 8bf19163 PR-1038: Clarify HumanEntity#openInventory(InventoryView) JavaDoc 1ff76351 SPIGOT-7732, SPIGOT-7786: Add freezing damage modifier 02161cb4 PR-1034: Add CreatureSpawnEvent.SpawnReason#TRIAL_SPAWNER f9cb6f34 SPIGOT-7777: All entity potion effects are removed on death 25d548eb PR-1031: Expose Creeper igniter ccbf0915 SPIGOT-7770: Reserve spaces in shaped recipes for blank ingredients 17f7097c Clarify ambiguity around what is API 71714f0c Remove note from InventoryView JavaDoc aaf49731 PR-1030: Deprecate more unused methods in UnsafeValues 3a9dc689 SPIGOT-7771: Material.getDefaultAttributes always returns an empty map CraftBukkit Changes: c3ceeb6f7 SPIGOT-7814: Call PlayerShearEntityEvent for Bogged 97b1e4f58 Fix wolf armor not dropping from use of shears fd2ef563a SPIGOT-7812: Revert "SPIGOT-7809: Restore shield/banner conversion for base colours" f672c351b SPIGOT-7811: Enchantments are applied on sweeping attack even if damage event is cancelled cfe29350b SPIGOT-7808: Fix implementation of Enchantment#getName() for bad name return 19335f69e SPIGOT-7809: Restore shield/banner conversion for base colours ae4f5a0be SPIGOT-7805: Fix jukebox deserialization 62e3b73a4 SPIGOT-7804: Fix written book serialization aac911d26 SPIGOT-7800, SPIGOT-7801: Keep vanilla behaviour for items dropped on player death 13ece474f PR-1429: Implement TrialSpawnerSpawnEvent bf13e9113 PR-1354: Improve spawner API and add API for Trial Spawners 515fe49e1 Increase outdated build delay 9cd5a19a0 SPIGOT-7794: Cancelling InventoryItemMoveEvent destroys items ce40c7b14 SPIGOT-7796: Kickplayer newlines not working 5167256ff SPIGOT-7795: Fix damage/stats ignore the invulnerable damage time f993563ee Improve cross-world teleportation handling ab29122cf PR-1433: HumanEntity#openInventory(InventoryView) should only support views belonging to the player 764a541c5 SPIGOT-7732: Issue with the "hurt()" method of EntityLiving and invulnerable time 820084b5f SPIGOT-7791: Skull BlockState with null profile causes NullPointerException 5e46f1c82 SPIGOT-7785: Teleporting a player at the right moment can mess up vanilla teleportation cbd95a6b3 SPIGOT-7772: Include hidden / non-sampled players in player count 3153debc5 SPIGOT-7790: Server crashes after bee nest is forced to update e77bb26bb SPIGOT-7788: The healing power of friendship advancement is never granted ee3d7258a SPIGOT-7789: Fix NPE in CraftMetaFirework applyToItem 2889b3a11 PR-1429: Add CreatureSpawnEvent.SpawnReason#TRIAL_SPAWNER cdd05bc7f SPIGOT-7777: Speed attribute stays after death; missing EntityPotionEffectEvent call d0e6af2d4 PR-1428: Expose Creeper igniter d01c70e93 PR-1425: Fix bytecode transformation taking care of class-to-interface compatibility. b2b08f68c SPIGOT-7770: Fix certain shaped recipes not registering 3f8e4161f PR-1426: Deprecate more unused methods in UnsafeValues 2c9dd879e SPIGOT-7771: Material.getDefaultAttributes always returns an empty map Spigot Changes: 491f3675 Rebuild patches 0a642bd7 Rebuild patches 8897571b Rebuild patches cb8cf80c Fix newlines in custom restart message 1aabe506 Rebuild patches
2024-07-06 21:19:14 +02:00
@@ -4229,7 +4229,7 @@ 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 {
2024-06-14 10:56:28 +02:00
diff --git a/src/main/java/net/minecraft/world/entity/TamableAnimal.java b/src/main/java/net/minecraft/world/entity/TamableAnimal.java
index 39adc89b35213d5d5fb71bb4b7e0c641f77e4a06..45224dc3867892b298b006c17f7f85741fcc96d6 100644
--- a/src/main/java/net/minecraft/world/entity/TamableAnimal.java
+++ b/src/main/java/net/minecraft/world/entity/TamableAnimal.java
@@ -299,7 +299,7 @@ public abstract class TamableAnimal extends Animal implements OwnableEntity {
} else {
// CraftBukkit start
2024-06-14 10:56:28 +02:00
EntityTeleportEvent event = CraftEventFactory.callEntityTeleportEvent(this, (double) x + 0.5D, (double) y, (double) z + 0.5D);
- if (event.isCancelled()) {
2024-06-14 10:56:28 +02:00
+ if (event.isCancelled() || event.getTo() == null) { // Paper - prevent NP on null event to location
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
2024-06-14 10:56:28 +02:00
index 632b74e84d6ee58da8806e30b75e16fb864afa64..bf58956379d0a5dbfdc34e8626847638b4111433 100644
--- a/src/main/java/net/minecraft/world/entity/monster/Shulker.java
+++ b/src/main/java/net/minecraft/world/entity/monster/Shulker.java
@@ -415,7 +415,7 @@ 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());