Paper/Spigot-Server-Patches/0384-Async-Chunk-placeholder.patch

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2.5 KiB
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From bf2cf6fce0635f9d5e7c70254df2d8e87d20bd2b Mon Sep 17 00:00:00 2001
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From: Spottedleaf <Spottedleaf@users.noreply.github.com>
Date: Mon, 6 May 2019 12:29:24 -0700
Subject: [PATCH] Async Chunk placeholder
Until we figure out Mojang's ticket system.
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
index 02098b9cc2..af1f1c2d62 100644
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--- a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
@@ -16,6 +16,7 @@ import java.util.Objects;
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import java.util.Random;
import java.util.Set;
import java.util.UUID;
+import java.util.concurrent.CompletableFuture;
import java.util.function.Predicate;
import net.minecraft.server.AxisAlignedBB;
import net.minecraft.server.BiomeBase;
@@ -2155,6 +2156,40 @@ public class CraftWorld implements World {
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return (nearest == null) ? null : new Location(this, nearest.getX(), nearest.getY(), nearest.getZ());
}
+ // Paper start
+ private Chunk getChunkAtGen(int x, int z, boolean gen) {
+ // copied from loadChunk()
+ // this function is identical except we do not add a plugin ticket
+ IChunkAccess chunk = world.getChunkProvider().getChunkAt(x, z, gen || isChunkGenerated(x, z) ? ChunkStatus.FULL : ChunkStatus.EMPTY, true);
+
+ // If generate = false, but the chunk already exists, we will get this back.
+ if (chunk instanceof ProtoChunkExtension) {
+ // We then cycle through again to get the full chunk immediately, rather than after the ticket addition
+ chunk = world.getChunkProvider().getChunkAt(x, z, ChunkStatus.FULL, true);
+ }
+
+ if (chunk instanceof net.minecraft.server.Chunk) {
+ return ((net.minecraft.server.Chunk)chunk).bukkitChunk;
+ }
+
+ return null;
+ }
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+
+ @Override
+ public CompletableFuture<Chunk> getChunkAtAsync(int x, int z, boolean gen) {
+ // TODO placeholder
+ if (Bukkit.isPrimaryThread()) {
+ return CompletableFuture.completedFuture(getChunkAtGen(x, z, gen));
+ } else {
+ CompletableFuture<Chunk> ret = new CompletableFuture<>();
+ net.minecraft.server.MinecraftServer.getServer().scheduleOnMain(() -> {
+ ret.complete(getChunkAtGen(x, z, gen));
+ });
+ return ret;
+ }
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+ }
+ // Paper end
+
// Spigot start
private final Spigot spigot = new Spigot()
{
--
2.22.0
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