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Strip enderpearl owners when they are no longer ticked (#7559)

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Owen 2022-04-07 20:52:25 -04:00 • committed by GitHub
parent 4322c05f02
commit f8e8d6c3cd
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GPG key ID: 4AEE18F83AFDEB23
5 changed files with 28 additions and 32 deletions
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38
patches/server/0191-Block-Enderpearl-Travel-Exploit.patch
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@ -26,6 +26,23 @@ index ef9f6712046a22a8d0dfcf95d8e2d12403345532..ea426792b751fd7591bf09f2256dd6bd
+ log("Disable Unloaded Chunk Enderpearl Exploit: " + (disableEnderpearlExploit ? "enabled" : "disabled"));
+ }
}
diff --git a/src/main/java/net/minecraft/server/level/ServerLevel.java b/src/main/java/net/minecraft/server/level/ServerLevel.java
index 9769977c9db77aa52b99b793ca4f5d0c7b54528f..eb6981ca27d27946c748047660ced880c4dea01a 100644
--- a/src/main/java/net/minecraft/server/level/ServerLevel.java
+++ b/src/main/java/net/minecraft/server/level/ServerLevel.java
@@ -1991,6 +1991,12 @@ public class ServerLevel extends Level implements WorldGenLevel {
public void onTickingEnd(Entity entity) {
ServerLevel.this.entityTickList.remove(entity);
+ // Paper start - Reset pearls when they stop being ticked
+ if (paperConfig.disableEnderpearlExploit && entity instanceof net.minecraft.world.entity.projectile.ThrownEnderpearl pearl) {
+ pearl.cachedOwner = null;
+ pearl.ownerUUID = null;
+ }
+ // Paper end
}
public void onTrackingStart(Entity entity) {
diff --git a/src/main/java/net/minecraft/world/entity/projectile/Projectile.java b/src/main/java/net/minecraft/world/entity/projectile/Projectile.java
index 1c3ae7c61c06f486e50e57f434b9f360c6cf55be..bdefda914a7f93b8393a06f112ea9239d9685d51 100644
--- a/src/main/java/net/minecraft/world/entity/projectile/Projectile.java
@ -38,24 +55,3 @@ index 1c3ae7c61c06f486e50e57f434b9f360c6cf55be..bdefda914a7f93b8393a06f112ea9239
}
this.leftOwner = nbt.getBoolean("LeftOwner");
diff --git a/src/main/java/net/minecraft/world/entity/projectile/ThrownEnderpearl.java b/src/main/java/net/minecraft/world/entity/projectile/ThrownEnderpearl.java
index 23f77dfc6df93ef6a70e14a7e410263d39fae2cb..834ba402decb556a5f77809b37fa00578b67432e 100644
--- a/src/main/java/net/minecraft/world/entity/projectile/ThrownEnderpearl.java
+++ b/src/main/java/net/minecraft/world/entity/projectile/ThrownEnderpearl.java
@@ -108,6 +108,16 @@ public class ThrownEnderpearl extends ThrowableItemProjectile {
super.tick();
}
+ // Paper start
+ if (this.level.paperConfig.disableEnderpearlExploit) {
+ final net.minecraft.server.level.ChunkHolder chunkHolder = ((net.minecraft.server.level.ServerChunkCache) this.level.getChunkSource()).chunkMap.getVisibleChunkIfPresent(net.minecraft.world.level.ChunkPos.asLong(this.blockPosition()));
+ if (chunkHolder == null || !net.minecraft.server.level.ChunkHolder.getFullChunkStatus(chunkHolder.getTicketLevel()).isOrAfter(net.minecraft.server.level.ChunkHolder.FullChunkStatus.ENTITY_TICKING)) {
+ this.cachedOwner = null;
+ this.ownerUUID = null;
+ }
+ }
+ // Paper end
+
}
@Nullable