PaperMC/patches/server/0073-handle-NaN-health-absorb-values-and-repair-bad-data.patch
2023-12-06 20:46:49 +01:00

57 lines
2.9 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 b76ac10fe0d4b860a4b30fae365cf38400afb456..1e2d3040bb3e8b1901fbc933caa5ad3b82d3468c 100644
--- a/src/main/java/net/minecraft/world/entity/LivingEntity.java
+++ b/src/main/java/net/minecraft/world/entity/LivingEntity.java
@@ -793,7 +793,13 @@ public abstract class LivingEntity extends Entity implements Attackable {
@Override
public void readAdditionalSaveData(CompoundTag nbt) {
- this.internalSetAbsorptionAmount(nbt.getFloat("AbsorptionAmount"));
+ // Paper start - jvm keeps optimizing the setter
+ float absorptionAmount = nbt.getFloat("AbsorptionAmount");
+ if (Float.isNaN(absorptionAmount)) {
+ absorptionAmount = 0;
+ }
+ this.internalSetAbsorptionAmount(absorptionAmount);
+ // Paper end
if (nbt.contains("Attributes", 9) && this.level() != null && !this.level().isClientSide) {
this.getAttributes().load(nbt.getList("Attributes", 10));
}
@@ -1343,6 +1349,10 @@ 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();
@@ -3531,7 +3541,7 @@ public abstract class LivingEntity extends Entity implements Attackable {
}
public final void setAbsorptionAmount(float absorptionAmount) {
- this.internalSetAbsorptionAmount(Mth.clamp(absorptionAmount, 0.0F, this.getMaxAbsorption()));
+ this.internalSetAbsorptionAmount(!Float.isNaN(absorptionAmount) ? Mth.clamp(absorptionAmount, 0.0F, this.getMaxAbsorption()) : 0.0F); // Paper
}
protected void internalSetAbsorptionAmount(float absorptionAmount) {
diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
index 6da1b2f54317ddc84a1fbff037560e402b02f771..0599752a23363405b6af1e89521badf3bf6643f3 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
@@ -2183,6 +2183,7 @@ public class CraftPlayer extends CraftHumanEntity implements Player {
}
public void setRealHealth(double health) {
+ if (Double.isNaN(health)) {return;} // Paper
this.health = health;
}