Paper/Spigot-Server-Patches/0157-Chunk-registration-fixes.patch
Aikar 18c3716c49
Current Chunk for Entity and Block Entities, counts by entity type
This enables us a fast reference to the entities current chunk instead
of having to look it up by hashmap lookups.

We also store counts by type to further enable other performance optimizations in later patches.
2018-07-04 03:58:56 -04:00

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Diff

From e12d715554fa2684d9c5c7dcfc765fdf66f02654 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Wed, 21 Sep 2016 22:54:28 -0400
Subject: [PATCH] Chunk registration fixes
World checks and the Chunk Add logic are inconsistent on how Y > 256, < 0, is treated
Keep them consistent
diff --git a/src/main/java/net/minecraft/server/World.java b/src/main/java/net/minecraft/server/World.java
index 6e37c4366..000d2eeb9 100644
--- a/src/main/java/net/minecraft/server/World.java
+++ b/src/main/java/net/minecraft/server/World.java
@@ -1770,7 +1770,7 @@ public abstract class World implements IBlockAccess {
}
i = MathHelper.floor(entity.locX / 16.0D);
- j = MathHelper.floor(entity.locY / 16.0D);
+ j = Math.min(15, Math.max(0, MathHelper.floor(entity.locY / 16.0D))); // Paper - stay consistent with chunk add/remove behavior
int k = MathHelper.floor(entity.locZ / 16.0D);
if (!entity.aa || entity.ab != i || entity.ac != j || entity.ad != k) {
--
2.18.0