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Paper/patches/server/0788-Guard-against-invalid-entity-positions.patch
Jake Potrebic 0cdce89d59
Fix a bunch of stuff with player spawn locations (#9887)
If a playerdata doesn't contain a valid, loaded world, reset
to the main world spawn point
2023-11-04 14:11:55 -07:00

46 Zeilen
2.1 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Spottedleaf <Spottedleaf@users.noreply.github.com>
Date: Thu, 31 Mar 2022 05:18:28 -0700
Subject: [PATCH] Guard against invalid entity positions
Anything not finite should be blocked and logged
diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java
index da90572d7f258ff9035cbae4f85df4e256bebaa1..e00b936d7cc46c5372d8a29a5b97efc44aa3ba4a 100644
--- a/src/main/java/net/minecraft/world/entity/Entity.java
+++ b/src/main/java/net/minecraft/world/entity/Entity.java
@@ -4501,11 +4501,33 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource {
return this.getZ((2.0D * this.random.nextDouble() - 1.0D) * widthScale);
}
+ // Paper start - block invalid positions
+ public static boolean checkPosition(Entity entity, double newX, double newY, double newZ) {
+ if (Double.isFinite(newX) && Double.isFinite(newY) && Double.isFinite(newZ)) {
+ return true;
+ }
+
+ String entityInfo = null;
+ try {
+ entityInfo = entity.toString();
+ } catch (Exception ex) {
+ entityInfo = "[Entity info unavailable] ";
+ }
+ LOGGER.error("New entity position is invalid! Tried to set invalid position (" + newX + "," + newY + "," + newZ + ") for entity " + entity.getClass().getName() + " located at " + entity.position + ", entity info: " + entityInfo, new Throwable());
+ return false;
+ }
+ // Paper end - block invalid positions
+
public final void setPosRaw(double x, double y, double z) {
// Paper start
this.setPosRaw(x, y, z, false);
}
public final void setPosRaw(double x, double y, double z, boolean forceBoundingBoxUpdate) {
+ // Paper start - block invalid positions
+ if (!checkPosition(this, x, y, z)) {
+ return;
+ }
+ // Paper end - block invalid positions
// Paper end
// Paper start - rewrite chunk system
if (this.updatingSectionStatus) {