From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 From: Aikar 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 801577d2c9e6eacd8e3038f5b3cdb026c62a5d09..24e6d6c356cccf656cd20bcea069f5fdf123e4c8 100644 --- a/src/main/java/net/minecraft/world/entity/LivingEntity.java +++ b/src/main/java/net/minecraft/world/entity/LivingEntity.java @@ -833,7 +833,13 @@ public abstract class LivingEntity extends Entity implements Attackable { @Override public void readAdditionalSaveData(CompoundTag nbt) { - this.internalSetAbsorptionAmount(nbt.getFloat("AbsorptionAmount")); + // Paper start - Check for NaN + float absorptionAmount = nbt.getFloat("AbsorptionAmount"); + if (Float.isNaN(absorptionAmount)) { + absorptionAmount = 0; + } + this.internalSetAbsorptionAmount(absorptionAmount); + // Paper end - Check for NaN if (nbt.contains("Attributes", 9) && this.level() != null && !this.level().isClientSide) { this.getAttributes().load(nbt.getList("Attributes", 10)); } @@ -1365,6 +1371,10 @@ public abstract class LivingEntity extends Entity implements Attackable { } public void setHealth(float health) { + // Paper start - Check for NaN + if (Float.isNaN(health)) { health = getMaxHealth(); if (this.valid) { + System.err.println("[NAN-HEALTH] " + getScoreboardName() + " had NaN health set"); + } } // Paper end - Check for NaN // CraftBukkit start - Handle scaled health if (this instanceof ServerPlayer) { org.bukkit.craftbukkit.entity.CraftPlayer player = ((ServerPlayer) this).getBukkitEntity(); @@ -3643,7 +3653,7 @@ 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 - Check for NaN } 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 9743f5b8b6e1cbbe43788a42c02bb7cfbdd8f380..d616f6c1fe63e3fe9d811d670dbc78a44e7afcbd 100644 --- a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java +++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java @@ -2327,6 +2327,7 @@ public class CraftPlayer extends CraftHumanEntity implements Player { } public void setRealHealth(double health) { + if (Double.isNaN(health)) {return;} // Paper - Check for NaN this.health = health; }