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7fe1caf23d
also ensure we never process already valid entities. this shouldnt be possible as of recent commits as we made the entity slice array safer, but doesn't hurt for this logic to be safe too incase that patch got dropped in a future version by accident/necessarily
83 lines
3.7 KiB
Diff
83 lines
3.7 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Aikar <aikar@aikar.co>
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Date: Mon, 23 Jul 2018 22:44:23 -0400
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Subject: [PATCH] Add some Debug to Chunk Entity slices
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If we detect unexpected state, log and try to recover
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This should hopefully avoid duplicate entities ever being created
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if the entity was to end up in 2 different chunk slices
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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 2461b5cdd1..eb728f66aa 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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@@ -0,0 +0,0 @@ public class Chunk implements IChunkAccess {
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entity.ae = this.locX;
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entity.af = k;
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entity.ag = this.locZ;
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- this.entitySlices[k].add(entity);
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+
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// Paper start
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+ List<Entity> entitySlice = this.entitySlices[k];
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+ boolean inThis = entitySlice.contains(entity);
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+ if (entity.entitySlice != null || inThis) {
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+ if (entity.entitySlice == entitySlice || inThis) {
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+ LogManager.getLogger().warn(entity + " was already in this chunk section! Report this to https://github.com/PaperMC/Paper/issues/1223");
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+ new Throwable().printStackTrace();
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+ return;
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+ } else {
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+ LogManager.getLogger().warn(entity + " is still in another ChunkSection! Report this to https://github.com/PaperMC/Paper/issues/1223");
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+
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+ Chunk chunk = entity.getCurrentChunk();
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+ if (chunk != null) {
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+ if (chunk != this) {
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+ LogManager.getLogger().warn(entity + " was in another chunk at that! " + chunk.locX + "," + chunk.locZ);
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+ }
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+ chunk.removeEntity(entity);
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+ } else {
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+ removeEntity(entity);
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+ }
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+ new Throwable().printStackTrace();
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+ }
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+ }
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+ entity.entitySlice = entitySlice;
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+ entitySlice.add(entity);
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+
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this.markDirty();
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if (entity instanceof EntityItem) {
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itemCounts[k]++;
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@@ -0,0 +0,0 @@ public class Chunk implements IChunkAccess {
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if (!this.entitySlices[i].remove(entity)) {
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return;
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}
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+ if (entitySlices[i] == entity.entitySlice) {
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+ entity.entitySlice = null;
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+ } else {
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+ LogManager.getLogger().warn(entity + " was removed from a entitySlice we did not expect. Report this to https://github.com/PaperMC/Paper/issues/1223");
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+ new Throwable().printStackTrace();
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+ }
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this.markDirty();
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if (entity instanceof EntityItem) {
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itemCounts[i]--;
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@@ -0,0 +0,0 @@ public class Chunk implements IChunkAccess {
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}
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// Spigot End
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entity.setCurrentChunk(null); // Paper
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+ entity.entitySlice = null; // Paper
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// Do not pass along players, as doing so can get them stuck outside of time.
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// (which for example disables inventory icon updates and prevents block breaking)
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diff --git a/src/main/java/net/minecraft/server/Entity.java b/src/main/java/net/minecraft/server/Entity.java
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index 4315804ddb..785c31089e 100644
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--- a/src/main/java/net/minecraft/server/Entity.java
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+++ b/src/main/java/net/minecraft/server/Entity.java
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@@ -0,0 +0,0 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
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}
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}
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};
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+ Object entitySlice = null;
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// Paper end
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static boolean isLevelAtLeast(NBTTagCompound tag, int level) {
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return tag.hasKey("Bukkit.updateLevel") && tag.getInt("Bukkit.updateLevel") >= level;
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--
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