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Fix a vanilla bug thats likely causing the mob spawn issues

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This commit is contained in:
Aikar 2016-04-23 12:27:46 -04:00
parent 485ad4238b
commit 55afa33cbc
1 changed files with 34 additions and 7 deletions
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41
Spigot-Server-Patches/0145-Check-entity-count-additions-and-mark-entities-remov.patch
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@ -1,32 +1,39 @@
From 7fb729ea5b3d71930bb208d8fc8156c0bae02f1f Mon Sep 17 00:00:00 2001
From 99d1c2e73758c08e9fb578954fd2030c7a55098a Mon Sep 17 00:00:00 2001
From: Zach Brown <zach.brown@destroystokyo.com>
Date: Fri, 22 Apr 2016 20:34:21 -0500
Subject: [PATCH] Check entity count additions and mark entities removed
diff --git a/src/main/java/net/minecraft/server/Chunk.java b/src/main/java/net/minecraft/server/Chunk.java
index 5c1685d..137cbc6 100644
index 5c1685d..65e8c74 100644
--- a/src/main/java/net/minecraft/server/Chunk.java
+++ b/src/main/java/net/minecraft/server/Chunk.java
@@ -661,6 +661,25 @@ public class Chunk {
@@ -661,12 +661,39 @@ public class Chunk {
k = this.entitySlices.length - 1;
}
+ // Paper start - Try to catch plugins doing indecent things
+ boolean ignoreAdd = false;
+ if (entity.aa) {
+ boolean thisChunk = entity.getChunkX() == this.locX && entity.getChunkY() == k && entity.getChunkZ() == this.locZ;
+ String chunkName = entity.getWorld().getWorld().getName() + ":" + entity.getChunkX() + "," + entity.getChunkY() + "," + entity.getChunkZ();
+ if (!thisChunk) {
+ throw new IllegalStateException("Entity Already in another chunk: " + chunkName);
+ } else if (this.entitySlices[k].contains(entity)) {
+ throw new IllegalStateException("Double Chunk Add to: " + chunkName);
+ new Throwable("Double Chunk Add to: " + chunkName).printStackTrace();
+ ignoreAdd = true;
+ } else {
+ boolean found = false;
+ for (int i1 = 0; i1 < this.entitySlices.length; i1++) {
+ if (this.entitySlices[i1].contains(entity)) {
+ throw new IllegalStateException("Entity was found in another slice of this chunk, tried: " + k + ", was in: " + chunkName);
+ new Throwable("Entity was found in another slice of this chunk, tried: " + k + ", was in: " + chunkName).printStackTrace();
+ found = true;
+ ignoreAdd = true;
+ }
+ }
+ new Throwable("Improperly detected double chunk add. Was not actually in this chunk.").printStackTrace();
+ if (!found) {
+ new Throwable("Improperly detected double chunk add. Was not actually in this chunk.").printStackTrace();
+ }
+ }
+ }
+ // Paper end
@ -34,7 +41,14 @@ index 5c1685d..137cbc6 100644
entity.aa = true;
entity.ab = this.locX;
entity.ac = k;
@@ -711,6 +730,7 @@ public class Chunk {
entity.ad = this.locZ;
this.entitySlices[k].add(entity);
// Paper start - update count
+ if (ignoreAdd) return;
if (entity instanceof EntityItem) {
itemCounts[k]++;
} else if (entity instanceof IInventory) {
@@ -711,6 +738,7 @@ public class Chunk {
} else if (entity instanceof IInventory) {
inventoryEntityCounts[i]--;
}
@ -42,6 +56,19 @@ index 5c1685d..137cbc6 100644
// Paper end
// Spigot start - decrement creature type count
// Keep this synced up with World.a(Class)
diff --git a/src/main/java/net/minecraft/server/World.java b/src/main/java/net/minecraft/server/World.java
index b860c91..a8ea92c 100644
--- a/src/main/java/net/minecraft/server/World.java
+++ b/src/main/java/net/minecraft/server/World.java
@@ -1750,7 +1750,7 @@ public abstract class World implements IBlockAccess {
}
int k = MathHelper.floor(entity.locX / 16.0D);
- int l = MathHelper.floor(entity.locY / 16.0D);
+ int l = Math.min(15, Math.max(0, MathHelper.floor(entity.locY / 16.0D))); // Paper - stay consistent with chunk add/remove behavior
int i1 = MathHelper.floor(entity.locZ / 16.0D);
if (!entity.aa || entity.ab != k || entity.ac != l || entity.ad != i1) {
--
2.8.1