Paper/patches/server/0071-handle-NaN-health-absorb-values-and-repair-bad-data.patch
2023-06-07 20:49:17 +02:00

58 lines
2.7 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Sun, 27 Sep 2015 01:18:02 -0400
Subject: [PATCH] handle NaN health/absorb values and repair bad data
diff --git a/src/main/java/net/minecraft/world/entity/LivingEntity.java b/src/main/java/net/minecraft/world/entity/LivingEntity.java
index 571f170c7816d37ff1f082f00cab3725c660a10a..7e3378861990034015a6796013b78d504dcb8b5e 100644
--- a/src/main/java/net/minecraft/world/entity/LivingEntity.java
+++ b/src/main/java/net/minecraft/world/entity/LivingEntity.java
@@ -795,7 +795,13 @@ public abstract class LivingEntity extends Entity implements Attackable {
@Override
public void readAdditionalSaveData(CompoundTag nbt) {
- this.setAbsorptionAmount(nbt.getFloat("AbsorptionAmount"));
+ // Paper start - jvm keeps optimizing the setter
+ float absorptionAmount = nbt.getFloat("AbsorptionAmount");
+ if (Float.isNaN(absorptionAmount)) {
+ absorptionAmount = 0;
+ }
+ this.setAbsorptionAmount(absorptionAmount);
+ // Paper end
if (nbt.contains("Attributes", 9) && this.level() != null && !this.level().isClientSide) {
this.getAttributes().load(nbt.getList("Attributes", 10));
}
@@ -1313,6 +1319,10 @@ public abstract class LivingEntity extends Entity implements Attackable {
}
public void setHealth(float health) {
+ // Paper start
+ if (Float.isNaN(health)) { health = getMaxHealth(); if (this.valid) {
+ System.err.println("[NAN-HEALTH] " + getScoreboardName() + " had NaN health set");
+ } } // Paper end
// CraftBukkit start - Handle scaled health
if (this instanceof ServerPlayer) {
org.bukkit.craftbukkit.entity.CraftPlayer player = ((ServerPlayer) this).getBukkitEntity();
@@ -3482,7 +3492,7 @@ public abstract class LivingEntity extends Entity implements Attackable {
}
public void setAbsorptionAmount(float amount) {
- if (amount < 0.0F) {
+ if (amount < 0.0F || Float.isNaN(amount)) { // Paper
amount = 0.0F;
}
diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
index 5fe88000bb29f5fd83ca8708b24a2c9ad2f5a562..55715c017e4e08a0e3db95dea5b8ec4fd4acf00d 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
@@ -2096,6 +2096,7 @@ public class CraftPlayer extends CraftHumanEntity implements Player {
}
public void setRealHealth(double health) {
+ if (Double.isNaN(health)) {return;} // Paper
this.health = health;
}