Paper/patches/server/0241-Ability-to-get-Tile-Entities-from-a-chunk-without-sn.patch

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Wed, 15 Aug 2018 01:16:34 -0400
Subject: [PATCH] Ability to get Tile Entities from a chunk without snapshots
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftChunk.java b/src/main/java/org/bukkit/craftbukkit/CraftChunk.java
index 0d905269ab3bce4cfe68647b9b0cda8fff4aa17e..cf48c93d89da53e0ec771e5c2c8582e30b35e3f5 100644
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--- a/src/main/java/org/bukkit/craftbukkit/CraftChunk.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftChunk.java
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@@ -4,8 +4,10 @@ import com.google.common.base.Preconditions;
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import com.google.common.base.Predicates;
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import com.mojang.serialization.Codec;
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import java.lang.ref.WeakReference;
+import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
+import java.util.List;
import java.util.Objects;
import java.util.concurrent.locks.LockSupport;
import java.util.function.BooleanSupplier;
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@@ -177,6 +179,13 @@ public class CraftChunk implements Chunk {
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@Override
public BlockState[] getTileEntities() {
+ // Paper start
+ return getTileEntities(true);
+ }
+
+ @Override
+ public BlockState[] getTileEntities(boolean useSnapshot) {
+ // Paper end
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if (!this.isLoaded()) {
this.getWorld().getChunkAt(x, z); // Transient load for this tick
}
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@@ -191,7 +200,29 @@ public class CraftChunk implements Chunk {
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}
BlockPos position = (BlockPos) obj;
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- entities[index++] = this.worldServer.getWorld().getBlockAt(position.getX(), position.getY(), position.getZ()).getState();
+ // Paper start
+ entities[index++] = this.worldServer.getWorld().getBlockAt(position.getX(), position.getY(), position.getZ()).getState(useSnapshot);
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+ }
+
+ return entities;
+ }
+
+ @Override
+ public Collection<BlockState> getTileEntities(Predicate<Block> blockPredicate, boolean useSnapshot) {
+ Preconditions.checkNotNull(blockPredicate, "blockPredicate");
+ if (!isLoaded()) {
+ getWorld().getChunkAt(x, z); // Transient load for this tick
+ }
+ net.minecraft.world.level.chunk.LevelChunk chunk = getHandle();
+
+ List<BlockState> entities = new ArrayList<>();
+
+ for (BlockPos position : chunk.blockEntities.keySet()) {
+ Block block = worldServer.getWorld().getBlockAt(position.getX(), position.getY(), position.getZ());
+ if (blockPredicate.test(block)) {
+ entities.add(block.getState(useSnapshot));
+ }
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+ // Paper end
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}
return entities;