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bc17ce69d4
This will help prevent many cases of unregistering entities during entity ticking Currently delays Chunk Unloads and Async Chunk load callbacks Also dropped mid ticking chunk tasks during entity ticking to reduce this risk
77 lines
3.7 KiB
Diff
77 lines
3.7 KiB
Diff
From aa1a9266fcdeb4ffc727142df482ebca0d03828d Mon Sep 17 00:00:00 2001
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From: Aikar <aikar@aikar.co>
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Date: Sat, 11 Apr 2020 21:23:42 -0400
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Subject: [PATCH] Delay unsafe actions until after entity ticking is done
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This will help prevent many cases of unregistering entities during entity ticking
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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 a9a2ce3d3f..24cb88559b 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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@@ -490,8 +490,11 @@ public class PlayerChunk {
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// Minecraft will apply the chunks tick lists to the world once the chunk got loaded, and then store the tick
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// lists again inside the chunk once the chunk becomes inaccessible and set the chunk's needsSaving flag.
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// These actions may however happen deferred, so we manually set the needsSaving flag already here.
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+ // Paper start
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+ ((WorldServer) chunk.world).doIfNotEntityTicking(() -> { // Paper
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chunk.setNeedsSaving(true);
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chunk.unloadCallback();
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+ }); // Paper
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});
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}
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}).exceptionally((throwable) -> {
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diff --git a/src/main/java/net/minecraft/server/WorldServer.java b/src/main/java/net/minecraft/server/WorldServer.java
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index cd8266f675..84a3367b87 100644
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--- a/src/main/java/net/minecraft/server/WorldServer.java
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+++ b/src/main/java/net/minecraft/server/WorldServer.java
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@@ -60,6 +60,16 @@ public class WorldServer extends World {
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private final Queue<Entity> entitiesToAdd = Queues.newArrayDeque();
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public final List<EntityPlayer> players = Lists.newArrayList(); // Paper - private -> public
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boolean tickingEntities;
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+ // Paper start
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+ List<java.lang.Runnable> afterEntityTickingTasks = Lists.newArrayList();
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+ public void doIfNotEntityTicking(java.lang.Runnable run) {
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+ if (tickingEntities) {
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+ afterEntityTickingTasks.add(run);
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+ } else {
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+ run.run();
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+ }
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+ }
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+ // Paper end
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private final MinecraftServer server;
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private final WorldNBTStorage dataManager;
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public boolean savingDisabled;
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@@ -519,6 +529,16 @@ public class WorldServer extends World {
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timings.entityTick.stopTiming(); // Spigot
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this.tickingEntities = false;
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+ // Paper start
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+ for (java.lang.Runnable run : this.afterEntityTickingTasks) {
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+ try {
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+ run.run();
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+ } catch (Exception e) {
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+ LOGGER.error("Error in After Entity Ticking Task", e);
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+ }
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+ }
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+ this.afterEntityTickingTasks.clear();
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+ // Paper end
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this.getMinecraftServer().midTickLoadChunks(); // Paper
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try (co.aikar.timings.Timing ignored = this.timings.newEntities.startTiming()) { // Paper - timings
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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 1fbb1344fc..f56131e3a5 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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@@ -2469,7 +2469,7 @@ public class CraftWorld implements World {
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CompletableFuture<Chunk> ret = new CompletableFuture<>();
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this.world.getChunkProvider().getChunkAtAsynchronously(x, z, gen, (net.minecraft.server.Chunk chunk) -> {
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- ret.complete(chunk == null ? null : chunk.bukkitChunk);
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+ this.world.doIfNotEntityTicking(() -> ret.complete(chunk == null ? null : chunk.bukkitChunk));
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});
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return ret;
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--
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2.25.1
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