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 89db2afd198366ab94c9c074890aa668d3771a79..83eaa3c6581c1a3f588278124fed4c811e81e53c 100644 --- a/src/main/java/net/minecraft/world/entity/LivingEntity.java +++ b/src/main/java/net/minecraft/world/entity/LivingEntity.java @@ -764,7 +764,13 @@ public abstract class LivingEntity extends Entity { @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)); } @@ -1251,6 +1257,10 @@ public abstract class LivingEntity extends Entity { } 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(); @@ -3395,7 +3405,7 @@ public abstract class LivingEntity extends Entity { } public void setAbsorptionAmount(float amount) { - if (amount < 0.0F) { + if (amount < 0.0F || Float.isNaN(amount)) { // Paper amount = 0.0F; } @@ -4000,3 +4010,4 @@ public abstract class LivingEntity extends Entity { this.setDeltaMovement((double) ((float) packet.getXd() / 8000.0F), (double) ((float) packet.getYd() / 8000.0F), (double) ((float) packet.getZd() / 8000.0F)); } } + diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java index 03b2fd38b31de911ef107006a3d10c5534989247..2dab55e7d807ae8414fbb1f4446df2f38783cfb4 100644 --- a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java +++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java @@ -1702,6 +1702,7 @@ public class CraftPlayer extends CraftHumanEntity implements Player { } public void setRealHealth(double health) { + if (Double.isNaN(health)) {return;} // Paper this.health = health; }