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https://github.com/PaperMC/Paper.git
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72 lines
3.2 KiB
Diff
72 lines
3.2 KiB
Diff
From 9ca006490279df3289be6f59ef4e8ba0ed5eb89e Mon Sep 17 00:00:00 2001
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From: Zach Brown <zach.brown@destroystokyo.com>
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Date: Fri, 22 Apr 2016 20:34:21 -0500
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Subject: [PATCH] Check entity count additions and mark entities removed
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diff --git a/src/main/java/net/minecraft/server/Chunk.java b/src/main/java/net/minecraft/server/Chunk.java
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index 5c1685d..dff47c3 100644
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--- a/src/main/java/net/minecraft/server/Chunk.java
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+++ b/src/main/java/net/minecraft/server/Chunk.java
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@@ -661,12 +661,36 @@ public class Chunk {
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k = this.entitySlices.length - 1;
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}
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+ // Paper start - Try to catch plugins doing indecent things
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+ boolean ignoreAdd = false;
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+ if (entity.aa && entity.getChunkX() == this.locX && entity.getChunkY() == k && entity.getChunkZ() == this.locZ) {
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+ String chunkName = entity.getWorld().getWorld().getName() + ":" + entity.getChunkX() + "," + entity.getChunkY() + "," + entity.getChunkZ();
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+ if (this.entitySlices[k].contains(entity)) {
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+ new Throwable("Double Chunk Add to: " + chunkName).printStackTrace();
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+ ignoreAdd = true;
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+ } else {
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+ boolean found = false;
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+ for (int i1 = 0; i1 < this.entitySlices.length; i1++) {
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+ if (this.entitySlices[i1].contains(entity)) {
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+ new Throwable("Entity was found in another slice of this chunk, tried: " + k + ", was in: " + chunkName).printStackTrace();
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+ found = true;
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+ ignoreAdd = true;
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+ }
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+ }
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+ if (!found) {
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+ new Throwable("Improperly detected double chunk add. Was not actually in this chunk.").printStackTrace();
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+ }
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+ }
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+ }
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+ // Paper end
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+
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entity.aa = true;
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entity.ab = this.locX;
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entity.ac = k;
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entity.ad = this.locZ;
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this.entitySlices[k].add(entity);
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// Paper start - update count
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+ if (ignoreAdd) return;
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if (entity instanceof EntityItem) {
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itemCounts[k]++;
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} else if (entity instanceof IInventory) {
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@@ -711,6 +735,7 @@ public class Chunk {
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} else if (entity instanceof IInventory) {
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inventoryEntityCounts[i]--;
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}
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+ entity.aa = false; // You aren't added to chunk anymore
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// Paper end
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// Spigot start - decrement creature type count
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// Keep this synced up with World.a(Class)
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diff --git a/src/main/java/net/minecraft/server/World.java b/src/main/java/net/minecraft/server/World.java
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index b860c91..a8ea92c 100644
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--- a/src/main/java/net/minecraft/server/World.java
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+++ b/src/main/java/net/minecraft/server/World.java
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@@ -1750,7 +1750,7 @@ public abstract class World implements IBlockAccess {
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}
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int k = MathHelper.floor(entity.locX / 16.0D);
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- int l = MathHelper.floor(entity.locY / 16.0D);
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+ int l = Math.min(15, Math.max(0, MathHelper.floor(entity.locY / 16.0D))); // Paper - stay consistent with chunk add/remove behavior
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int i1 = MathHelper.floor(entity.locZ / 16.0D);
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if (!entity.aa || entity.ab != k || entity.ac != l || entity.ad != i1) {
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--
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2.5.0
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