Mirror von
https://github.com/PaperMC/Paper.git
synchronisiert 2024-12-16 19:40:07 +01:00
0b3afe6c97
Upstream has released updates that appears to apply and compile correctly. This update has not been tested by PaperMC and as with ANY update, please do your own testing Bukkit Changes: 4db9e3dc Add API to locate structures CraftBukkit Changes:65bb2d0fIncrease expiration time to 10 days88a5346fAdd API to locate structures. Spigot Changes: 68acb93f Rebuild patches
185 Zeilen
8.7 KiB
Diff
185 Zeilen
8.7 KiB
Diff
From 01d56a7e10798f739aa8b3f292b93e9d4fddb12e Mon Sep 17 00:00:00 2001
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From: Aikar <aikar@aikar.co>
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Date: Sat, 18 Jun 2016 23:22:12 -0400
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Subject: [PATCH] Delay Chunk Unloads based on Player Movement
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When players are moving in the world, doing things such as building or exploring,
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they will commonly go back and forth in a small area. This causes a ton of chunk load
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and unload activity on the edge chunks of their view distance.
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A simple back and forth movement in 6 blocks could spam a chunk to thrash a
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loading and unload cycle over and over again.
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This is very wasteful. This system introduces a delay of inactivity on a chunk
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before it actually unloads, which is maintained separately from ChunkGC.
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This allows servers with smaller worlds who do less long distance exploring to stop
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wasting cpu cycles on saving/unloading/reloading chunks repeatedly.
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diff --git a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
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index f8102d9f0..547ab0962 100644
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--- a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
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+++ b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
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@@ -288,4 +288,18 @@ public class PaperWorldConfig {
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preventTntFromMovingInWater = getBoolean("prevent-tnt-from-moving-in-water", false);
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log("Prevent TNT from moving in water: " + preventTntFromMovingInWater);
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}
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+
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+ public long delayChunkUnloadsBy;
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+ private void delayChunkUnloadsBy() {
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+ delayChunkUnloadsBy = PaperConfig.getSeconds(getString("delay-chunk-unloads-by", "10s"));
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+ if (delayChunkUnloadsBy > 0) {
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+ log("Delaying chunk unloads by " + delayChunkUnloadsBy + " seconds");
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+ delayChunkUnloadsBy *= 1000;
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+ }
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+ }
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+
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+ public boolean skipEntityTickingInChunksScheduledForUnload = true;
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+ private void skipEntityTickingInChunksScheduledForUnload() {
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+ skipEntityTickingInChunksScheduledForUnload = getBoolean("skip-entity-ticking-in-chunks-scheduled-for-unload", skipEntityTickingInChunksScheduledForUnload);
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+ }
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}
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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 5390396d5..3c9c3cd41 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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@@ -37,6 +37,7 @@ public class Chunk implements IChunkAccess {
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private boolean i;public boolean isLoaded() { return i; } // Paper - OBFHELPER
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public final World world;
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public final Map<HeightMap.Type, HeightMap> heightMap;
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+ public Long scheduledForUnload; // Paper - delay chunk unloads
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public final int locX;
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public final int locZ;
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private boolean l;
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diff --git a/src/main/java/net/minecraft/server/ChunkProviderServer.java b/src/main/java/net/minecraft/server/ChunkProviderServer.java
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index b1e690109..9739288b5 100644
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--- a/src/main/java/net/minecraft/server/ChunkProviderServer.java
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+++ b/src/main/java/net/minecraft/server/ChunkProviderServer.java
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@@ -306,6 +306,19 @@ public class ChunkProviderServer implements IChunkProvider {
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}
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activityAccountant.endActivity(); // Spigot
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}
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+ // Paper start - delayed chunk unloads
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+ long now = System.currentTimeMillis();
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+ long unloadAfter = world.paperConfig.delayChunkUnloadsBy;
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+ if (unloadAfter > 0) {
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+ //noinspection Convert2streamapi
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+ for (Chunk chunk : chunks.values()) {
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+ if (chunk.scheduledForUnload != null && now - chunk.scheduledForUnload > unloadAfter) {
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+ chunk.scheduledForUnload = null;
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+ unload(chunk);
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+ }
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+ }
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+ }
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+ // Paper end
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this.chunkScheduler.a(booleansupplier);
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}
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diff --git a/src/main/java/net/minecraft/server/PlayerChunk.java b/src/main/java/net/minecraft/server/PlayerChunk.java
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index ac0e90eec..3f4a8f21c 100644
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--- a/src/main/java/net/minecraft/server/PlayerChunk.java
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+++ b/src/main/java/net/minecraft/server/PlayerChunk.java
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@@ -33,8 +33,16 @@ public class PlayerChunk {
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public void run() {
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loadInProgress = false;
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PlayerChunk.this.chunk = PlayerChunk.this.playerChunkMap.getWorld().getChunkProviderServer().getChunkAt(location.x, location.z, true, true);
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+ markChunkUsed(); // Paper - delay chunk unloads
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}
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};
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+ // Paper start - delay chunk unloads
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+ public final void markChunkUsed() {
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+ if (chunk != null && chunk.scheduledForUnload != null) {
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+ chunk.scheduledForUnload = null;
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+ }
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+ }
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+ // Paper end
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// CraftBukkit end
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public PlayerChunk(PlayerChunkMap playerchunkmap, int i, int j) {
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@@ -44,6 +52,7 @@ public class PlayerChunk {
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chunkproviderserver.a(i, j);
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this.chunk = chunkproviderserver.getChunkAt(i, j, true, false);
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+ markChunkUsed(); // Paper - delay chunk unloads
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}
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public ChunkCoordIntPair a() {
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@@ -85,6 +94,7 @@ public class PlayerChunk {
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return true;
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} else {
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this.chunk = this.playerChunkMap.getWorld().getChunkProviderServer().getChunkAt(this.location.x, this.location.z, true, flag);
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+ markChunkUsed(); // Paper - delay chunk unloads
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return this.chunk != null;
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}
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}
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diff --git a/src/main/java/net/minecraft/server/PlayerChunkMap.java b/src/main/java/net/minecraft/server/PlayerChunkMap.java
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index a69d510dd..7b67fa320 100644
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--- a/src/main/java/net/minecraft/server/PlayerChunkMap.java
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+++ b/src/main/java/net/minecraft/server/PlayerChunkMap.java
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@@ -460,7 +460,13 @@ public class PlayerChunkMap {
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Chunk chunk = playerchunk.f();
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if (chunk != null) {
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- this.getWorld().getChunkProviderServer().unload(chunk);
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+ // Paper start - delay chunk unloads
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+ if (world.paperConfig.delayChunkUnloadsBy <= 0) {
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+ this.getWorld().getChunkProviderServer().unload(chunk);
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+ } else {
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+ chunk.scheduledForUnload = System.currentTimeMillis();
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+ }
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+ // Paper end
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}
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}
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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 785f02065..d31101861 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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@@ -1342,7 +1342,13 @@ public abstract class World implements IEntityAccess, GeneratorAccess, IIBlockAc
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if (!tileentity.x() && tileentity.hasWorld()) {
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BlockPosition blockposition = tileentity.getPosition();
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- if (this.isLoaded(blockposition) && this.K.a(blockposition)) {
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+ // Paper start - Skip ticking in chunks scheduled for unload
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+ net.minecraft.server.Chunk chunk = this.getChunkIfLoaded(blockposition);
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+ boolean shouldTick = chunk != null;
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+ if(this.paperConfig.skipEntityTickingInChunksScheduledForUnload)
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+ shouldTick = shouldTick && chunk.scheduledForUnload == null;
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+ if (shouldTick && this.K.a(blockposition)) {
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+ // Paper end
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try {
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this.methodProfiler.a(() -> {
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return String.valueOf(TileEntityTypes.a(tileentity.C()));
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diff --git a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
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index 50923951a..8421c397a 100644
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--- a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
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+++ b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
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@@ -1628,7 +1628,7 @@ public class CraftWorld implements World {
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ChunkProviderServer cps = world.getChunkProviderServer();
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for (net.minecraft.server.Chunk chunk : cps.chunks.values()) {
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// If in use, skip it
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- if (isChunkInUse(chunk.locX, chunk.locZ)) {
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+ if (isChunkInUse(chunk.locX, chunk.locZ) || chunk.scheduledForUnload != null) { // Paper - delayed chunk unloads
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continue;
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}
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diff --git a/src/main/java/org/spigotmc/ActivationRange.java b/src/main/java/org/spigotmc/ActivationRange.java
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index 12040596d..f9bb19fed 100644
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--- a/src/main/java/org/spigotmc/ActivationRange.java
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+++ b/src/main/java/org/spigotmc/ActivationRange.java
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@@ -284,6 +284,11 @@ public class ActivationRange
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{
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isActive = false;
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}
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+ // Paper start - Skip ticking in chunks scheduled for unload
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+ else if (entity.world.paperConfig.skipEntityTickingInChunksScheduledForUnload && (chunk == null || chunk.scheduledForUnload != null)) {
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+ isActive = false;
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+ }
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+ // Paper end
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return isActive;
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}
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}
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--
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2.19.0
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