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Paper/patches/server-remapped/0508-Ensure-Entity-AABB-s-are-never-invalid.patch

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2021-06-11 14:02:28 +02:00
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Sun, 10 May 2020 22:12:46 -0400
Subject: [PATCH] Ensure Entity AABB's are never invalid
diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java
index d9bb00752ac81b2171d3ad25fd84904467a18e3b..728379292728cf58f5512feae3cdc74392980f68 100644
--- a/src/main/java/net/minecraft/world/entity/Entity.java
+++ b/src/main/java/net/minecraft/world/entity/Entity.java
@@ -66,6 +66,7 @@ import net.minecraft.world.Nameable;
import net.minecraft.world.damagesource.DamageSource;
import net.minecraft.world.entity.animal.AbstractFish;
import net.minecraft.world.entity.animal.Animal;
+import net.minecraft.world.entity.decoration.HangingEntity;
import net.minecraft.world.entity.item.ItemEntity;
import net.minecraft.world.entity.player.Player;
import net.minecraft.world.entity.vehicle.AbstractMinecart;
@@ -478,7 +479,7 @@ public abstract class Entity implements Nameable, CommandSource, net.minecraft.s
public void setPos(double x, double y, double z) {
this.setPosRaw(x, y, z);
- this.setBoundingBox(this.dimensions.makeBoundingBox(x, y, z));
+ //this.a(this.size.a(d0, d1, d2)); // Paper - move into setPositionRaw
if (valid) ((ServerLevel) level).updateChunkPos(this); // CraftBukkit
}
@@ -2998,6 +2999,7 @@ public abstract class Entity implements Nameable, CommandSource, net.minecraft.s
return new AABB(vec3d, vec3d1);
}
+ public final void setBoundingBox(AABB axisalignedbb) { setBoundingBox(axisalignedbb); } // Paper - OBFHELPER
public void setBoundingBox(AABB boundingBox) {
// CraftBukkit start - block invalid bounding boxes
double minX = boundingBox.minX,
@@ -3436,6 +3438,12 @@ public abstract class Entity implements Nameable, CommandSource, net.minecraft.s
}
public void setPosRaw(double x, double y, double z) {
+ // Paper start - never allow AABB to become desynced from position
+ // hanging has its own special logic
+ if (!(this instanceof HangingEntity) && (this.position.x != x || this.position.y != y || this.position.z != z)) {
+ this.setBoundingBox(this.dimensions.makeBoundingBox(x, y, z));
+ }
+ // Paper end
if (this.position.x != x || this.position.y != y || this.position.z != z) {
this.position = new Vec3(x, y, z);
int i = Mth.floor(x);