72 lines
3.3 KiB
Diff
72 lines
3.3 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 f0a8142b7477fde211b522e3982e614fc94e20f8..9f369f932ca0a63bde246420cfde7949f3e78ca2 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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@@ -509,6 +509,25 @@ public class Chunk implements IChunkAccess {
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if (k >= this.entitySlices.length) {
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k = this.entitySlices.length - 1;
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}
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+ // Paper - remove from any old list if its in one
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+ List<Entity> nextSlice = this.entitySlices[k]; // the next list to be added to
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+ List<Entity> currentSlice = entity.entitySlice;
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+ if (nextSlice == currentSlice) {
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+ if (World.DEBUG_ENTITIES) MinecraftServer.LOGGER.warn("Entity was already in this chunk!" + entity, new Throwable());
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+ return; // ??? silly plugins
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+ }
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+ if (currentSlice != null && currentSlice.contains(entity)) {
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+ // Still in an old chunk...
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+ if (World.DEBUG_ENTITIES) MinecraftServer.LOGGER.warn("Entity is still in another chunk!" + entity, new Throwable());
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+ Chunk chunk = entity.getCurrentChunk();
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+ if (chunk != null) {
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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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+ currentSlice.remove(entity); // Just incase the above did not remove from the previous slice
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+ }
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+ // Paper end
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if (!entity.inChunk || entity.getCurrentChunk() != this) entityCounts.increment(entity.getMinecraftKeyString()); // Paper
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entity.inChunk = true;
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@@ -518,6 +537,7 @@ public class Chunk implements IChunkAccess {
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entity.chunkZ = this.loc.z;
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this.entities.add(entity); // Paper - per chunk entity list
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this.entitySlices[k].add(entity);
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+ entity.entitySlice = this.entitySlices[k]; // Paper
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this.markDirty(); // Paper
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}
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@@ -542,6 +562,10 @@ public class Chunk implements IChunkAccess {
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// Paper start
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if (entity.currentChunk != null && entity.currentChunk.get() == this) entity.setCurrentChunk(null);
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+ if (entitySlices[i] == entity.entitySlice) {
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+ entity.entitySlice = null;
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+ entity.inChunk = false;
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+ }
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if (!this.entitySlices[i].remove(entity)) {
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return;
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}
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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 653e6d9a1640bedf08aaa5b436ac93e4cb1cb5b7..84d36ea84e25a701af22900af6cd3099adf6cd54 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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@@ -71,6 +71,7 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
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}
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}
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};
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+ List<Entity> entitySlice = null;
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// Paper end
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public com.destroystokyo.paper.loottable.PaperLootableInventoryData lootableData; // Paper
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