Mirror von
https://github.com/PaperMC/Paper.git
synchronisiert 2024-12-17 03:50:08 +01:00
3496f2d7e4
Developers!: You will need to clean up your work/Minecraft/1.13.2 folder for this 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: b850a822 SPIGOT-4526: Add conversion time API for Zombie & subclasses CraftBukkit Changes:38cf676eSPIGOT-4534: CreatureSpawnEvent not being called for CHUNK_GENb446cb5dSPIGOT-4527: Fix sponges with waterlogged blocks6ec8ea5cSPIGOT-4526: Add conversion time API for Zombie & subclassesc64fe508Mappings Updatea3c2ec03Fix missing ServerListPingEvent call for legacy pings Spigot Changes: 1dc156ce Rebuild patches 140f654d Mappings Update
225 Zeilen
10 KiB
Diff
225 Zeilen
10 KiB
Diff
From 3e1acb4e8c061bfd5ad065665b8466a8d1cbdcd9 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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This also makes the Chunk GC System useless, by auto scheduling unload as soon as
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a spare chunk is added to the server thats outside of view distance.
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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 42d951554..d8f258105 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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@@ -301,4 +301,18 @@ 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 f470eba29..86bdd6e7f 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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@@ -41,6 +41,7 @@ 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/ChunkMap.java b/src/main/java/net/minecraft/server/ChunkMap.java
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index 8b3738c8f..2021c0d02 100644
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--- a/src/main/java/net/minecraft/server/ChunkMap.java
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+++ b/src/main/java/net/minecraft/server/ChunkMap.java
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@@ -48,6 +48,15 @@ public class ChunkMap extends Long2ObjectOpenHashMap<Chunk> {
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}
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}
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}
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+ // Paper start - if this is a spare chunk (not part of any players view distance), go ahead and queue it for unload.
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+ if (!((WorldServer)chunk.world).getPlayerChunkMap().isChunkInUse(chunk.locX, chunk.locZ)) {
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+ if (chunk.world.paperConfig.delayChunkUnloadsBy > 0) {
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+ chunk.scheduledForUnload = System.currentTimeMillis();
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+ } else {
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+ ((WorldServer) chunk.world).getChunkProvider().unload(chunk);
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+ }
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+ }
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+ // Paper end
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chunk.world.timings.syncChunkLoadPostTimer.stopTiming(); // Paper
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// CraftBukkit end
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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 1d08ec37f..516a583a8 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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@@ -308,6 +308,19 @@ 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 1d672eaa1..5497a458d 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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@@ -26,8 +26,23 @@ public class PlayerChunk {
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ChunkProviderServer chunkproviderserver = playerchunkmap.getWorld().getChunkProvider();
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chunkproviderserver.a(ix, j);
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this.chunk = chunkproviderserver.getChunkAt(ix, j, true, false);
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+ markChunkUsed(); // Paper - delay chunk unloads
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}
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+ // Paper start
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+ private void markChunkUsed() {
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+ if (chunk == null) {
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+ return;
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+ }
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+ if (chunkHasPlayers) {
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+ chunk.scheduledForUnload = null;
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+ } else if (chunk.scheduledForUnload == null) {
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+ chunk.scheduledForUnload = System.currentTimeMillis();
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+ }
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+ }
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+ private boolean chunkHasPlayers = false;
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+ // Paper end
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+
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public ChunkCoordIntPair a() {
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return this.location;
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}
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@@ -38,6 +53,8 @@ public class PlayerChunk {
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} else {
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if (this.players.isEmpty()) {
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this.i = this.playerChunkMap.getWorld().getTime();
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+ chunkHasPlayers = true; // Paper - delay chunk unloads
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+ markChunkUsed(); // Paper - delay chunk unloads
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}
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this.players.add(entityplayer);
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@@ -56,6 +73,8 @@ public class PlayerChunk {
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this.players.remove(entityplayer);
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if (this.players.isEmpty()) {
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+ chunkHasPlayers = false; // Paper - delay chunk unloads
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+ markChunkUsed(); // Paper - delay chunk unloads
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this.playerChunkMap.b(this);
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}
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@@ -67,6 +86,7 @@ public class PlayerChunk {
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return true;
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} else {
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this.chunk = this.playerChunkMap.getWorld().getChunkProvider().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 3d17ad646..c3ac66d35 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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@@ -456,7 +456,13 @@ public class PlayerChunkMap {
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Chunk chunk = playerchunk.f();
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if (chunk != null) {
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- this.getWorld().getChunkProvider().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().getChunkProvider().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 5d7370029..6f672aa22 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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@@ -1292,7 +1292,13 @@ 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 b19eef1b1..f1320f5ac 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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@@ -1757,7 +1757,7 @@ public class CraftWorld implements World {
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ChunkProviderServer cps = world.getChunkProvider();
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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 d08ef3fe1..081789a8f 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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@@ -323,6 +323,11 @@ 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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2.20.0
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