mirror of
https://github.com/PaperMC/Paper.git
synced 2024-11-05 10:20:53 +01:00
835bc39b03
Updated Upstream (Bukkit/CraftBukkit/Spigot) Bukkit Changes: 2dcc44dc SPIGOT-4307: Fix hacky API for banners on shields e0fc6572 SPIGOT-4309: Add "forced" display of particles efeeab2f Add index to README.md for easier navigation f502bc6f Update to Minecraft 1.13.1 CraftBukkit Changes:d0bb0a1d
Fix some tests randomly failing997d378d
Fix client stall in specific teleportation scenariosb3dc2366
SPIGOT-4307: Fix hacky API for banners on shields2a271162
SPIGOT-4301: Fix more invalid enchants5d0d83bb
SPIGOT-4309: Add "forced" display of particlesa6772578
Add additional tests for CraftBlockDatace1af0c3
Update to Minecraft 1.13.1 Spigot Changes: 2440e189 Rebuild patches 4ecffced Update to Minecraft 1.13.1
185 lines
8.7 KiB
Diff
185 lines
8.7 KiB
Diff
From 23074703de62e4ed8821b5a5d70478b97c160dd1 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 f8102d9f07..547ab09627 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 0ef1a8c7d3..2efb870dd6 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 6b041f06e4..53dc1322e8 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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@@ -305,6 +305,19 @@ 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 ac0e90eeca..3f4a8f21c0 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 4d888d6d4f..cf5c76a78e 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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@@ -461,7 +461,13 @@ 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 8005b0c110..c6fa54848e 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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@@ -1329,7 +1329,13 @@ 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 9637c98994..6b3b45f94a 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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@@ -1620,7 +1620,7 @@ 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 a9b84fdec4..34d2f11f4f 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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2.18.0
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