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17fe7a1b43
Looking over the code, this appears to be one "high risk but hopefully unlikely that plugins are causing this to break", this line is however redundant leftovers from spigots tick limiter patch, which should be doing nothing as-is.
81 lines
4.4 KiB
Diff
81 lines
4.4 KiB
Diff
From 368ac6d9fa82a95c89036c5496a65826897a8995 Mon Sep 17 00:00:00 2001
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From: Aikar <aikar@aikar.co>
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Date: Wed, 29 Aug 2018 21:59:22 -0400
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Subject: [PATCH] Optimize getChunkIfLoaded type calls
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Uses optimized check to avoid major locks and large method.
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Will improve inlining across many hot methods.
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Improve getBrightness to not do double chunk map lookups.
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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 41926a361..186cfda7e 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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@@ -379,7 +379,7 @@ public class ChunkProviderServer implements IChunkProvider {
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continue;
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}
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- Chunk neighbor = this.getChunkAt(chunk.locX + x, chunk.locZ + z, false, false);
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+ Chunk neighbor = this.chunks.get(chunk.chunkKey); // Paper
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if (neighbor != null) {
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neighbor.setNeighborUnloaded(-x, -z);
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chunk.setNeighborUnloaded(x, z);
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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 79dea3c85..6d60262c6 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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@@ -162,7 +162,7 @@ public abstract class World implements IEntityAccess, GeneratorAccess, IIBlockAc
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}
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public Chunk getChunkIfLoaded(int x, int z) {
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- return ((ChunkProviderServer) this.chunkProvider).getChunkAt(x, z, false, false);
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+ return ((ChunkProviderServer) this.chunkProvider).chunks.get(ChunkCoordIntPair.a(x, z)); // Paper - optimize getChunkIfLoaded
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}
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protected World(IDataManager idatamanager, @Nullable PersistentCollection persistentcollection, WorldData worlddata, WorldProvider worldprovider, MethodProfiler methodprofiler, boolean flag, ChunkGenerator gen, org.bukkit.World.Environment env) {
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@@ -724,7 +724,8 @@ public abstract class World implements IEntityAccess, GeneratorAccess, IIBlockAc
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blockposition = new BlockPosition(blockposition.getX(), 0, blockposition.getZ());
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}
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- return !blockposition.isValidLocation() ? enumskyblock.c : (!this.isLoaded(blockposition) ? enumskyblock.c : this.getChunkAtWorldCoords(blockposition).getBrightness(enumskyblock, blockposition)); // Paper
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+ Chunk chunk; // Paper
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+ return !blockposition.isValidLocation() ? enumskyblock.c : ((chunk = this.getChunkIfLoaded(blockposition)) == null ? enumskyblock.c : chunk.getBrightness(enumskyblock, blockposition)); // Paper - optimize ifChunkLoaded
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}
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public void a(EnumSkyBlock enumskyblock, BlockPosition blockposition, int i) {
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@@ -1958,7 +1959,7 @@ public abstract class World implements IEntityAccess, GeneratorAccess, IIBlockAc
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if (blockposition.isInvalidYLocation()) { // Paper
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return false;
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} else {
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- Chunk chunk = this.chunkProvider.getChunkAt(blockposition.getX() >> 4, blockposition.getZ() >> 4, false, false);
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+ Chunk chunk = this.getChunkIfLoaded(blockposition.getX() >> 4, blockposition.getZ() >> 4); // Paper - optimize ifLoaded
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return chunk != null && !chunk.isEmpty();
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}
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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 72eb8ed4f..7e52859c1 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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@@ -218,7 +218,7 @@ public class CraftWorld implements World {
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return false;
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}
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- net.minecraft.server.Chunk chunk = world.getChunkProvider().getChunkAt(x, z, false, false);
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+ net.minecraft.server.Chunk chunk = world.getChunkIfLoaded(x, z); // Paper - optimize ifLaoded
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if (chunk != null) {
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world.getChunkProvider().unload(chunk);
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}
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@@ -237,7 +237,7 @@ public class CraftWorld implements World {
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private boolean unloadChunk0(int x, int z, boolean save) {
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Boolean result = MCUtil.ensureMain("Unload Chunk", () -> { // Paper - Ensure never async
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- net.minecraft.server.Chunk chunk = world.getChunkProvider().getChunkAt(x, z, false, false);
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+ net.minecraft.server.Chunk chunk = world.getChunkIfLoaded(x, z); // Paper - optimize ifLoaded
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if (chunk == null) {
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return true;
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}
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--
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2.21.0
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