Paper/patches/server/1040-Fix-CraftWorld-isChunkGenerated.patch
Jason Penilla 661839e033
Fix and optimize getChunkCount (#11610)
It was returning ticking chunk count instead of the intended full chunk count.
We can also directly use the size of the fullChunks collection instead of iterating all chunks.
2024-11-11 12:17:36 -07:00

45 lines
2.2 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Jason Penilla <11360596+jpenilla@users.noreply.github.com>
Date: Tue, 18 Jun 2024 12:43:06 -0700
Subject: [PATCH] Fix CraftWorld#isChunkGenerated
The upstream implementation is returning true for non-full chunks.
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
index 18e6c9fb355614de40999310f47502e2847e626b..3134fab97260897601d7c8e2810f11b8be86dbec 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
@@ -409,11 +409,28 @@ public class CraftWorld extends CraftRegionAccessor implements World {
@Override
public boolean isChunkGenerated(int x, int z) {
- try {
- return this.isChunkLoaded(x, z) || this.world.getChunkSource().chunkMap.read(new ChunkPos(x, z)).get().isPresent();
- } catch (InterruptedException | ExecutionException ex) {
- throw new RuntimeException(ex);
+ // Paper start - Fix this method
+ if (!Bukkit.isPrimaryThread()) {
+ return java.util.concurrent.CompletableFuture.supplyAsync(() -> {
+ return CraftWorld.this.isChunkGenerated(x, z);
+ }, world.getChunkSource().mainThreadProcessor).join();
+ }
+ ChunkAccess chunk = world.getChunkSource().getChunkAtImmediately(x, z);
+ if (chunk != null) {
+ return chunk instanceof ImposterProtoChunk || chunk instanceof net.minecraft.world.level.chunk.LevelChunk;
}
+ final java.util.concurrent.CompletableFuture<ChunkAccess> future = new java.util.concurrent.CompletableFuture<>();
+ ca.spottedleaf.moonrise.common.util.ChunkSystem.scheduleChunkLoad(
+ this.world, x, z, false, ChunkStatus.EMPTY, true, ca.spottedleaf.concurrentutil.util.Priority.NORMAL, future::complete
+ );
+ world.getChunkSource().mainThreadProcessor.managedBlock(future::isDone);
+ return future.thenApply(c -> {
+ if (c != null) {
+ return c.getPersistedStatus() == ChunkStatus.FULL;
+ }
+ return false;
+ }).join();
+ // Paper end - Fix this method
}
@Override