Paper/Spigot-API-Patches/0136-Provide-Chunk-Coordinates-as-a-Long-API.patch

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From b812737b929851249cbbf6c0877d7064ec321c1d Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Sat, 4 Aug 2018 19:37:35 -0400
Subject: [PATCH] Provide Chunk Coordinates as a Long API
Allows you to easily access the chunks X/z as a long, and a method
to look up by the long key too.
diff --git a/src/main/java/org/bukkit/Chunk.java b/src/main/java/org/bukkit/Chunk.java
index 079b9feb..c75bce07 100644
--- a/src/main/java/org/bukkit/Chunk.java
+++ b/src/main/java/org/bukkit/Chunk.java
@@ -23,6 +23,15 @@ public interface Chunk {
*/
int getZ();
+ // Paper start
+ /**
+ * @return The Chunks X and Z coordinates packed into a long
+ */
+ default long getChunkKey() {
+ return (long) getX() & 0xffffffffL | ((long) getZ() & 0xffffffffL) << 32;
+ }
+ // Paper end
+
/**
* Gets the world containing this chunk
*
diff --git a/src/main/java/org/bukkit/World.java b/src/main/java/org/bukkit/World.java
index ba300c29..f84f151a 100644
--- a/src/main/java/org/bukkit/World.java
+++ b/src/main/java/org/bukkit/World.java
@@ -137,6 +137,21 @@ public interface World extends PluginMessageRecipient, Metadatable {
*/
public Chunk getChunkAt(Block block);
+ // Paper start
+ /**
+ * Gets the chunk at the specified chunk key, which is the X and Z packed into a long.
+ *
+ * See {@link Chunk#getChunkKey()} for easy access to the key, or you may calculate it as:
2018-08-16 13:20:58 +02:00
+ * long chunkKey = (long) chunkX &amp; 0xffffffffL | ((long) chunkZ &amp; 0xffffffffL) &gt;&gt; 32;
+ *
+ * @param chunkKey The Chunk Key to look up the chunk by
+ * @return The chunk at the specified key
+ */
+ public default Chunk getChunkAt(long chunkKey) {
+ return getChunkAt((int) chunkKey, (int) (chunkKey >> 32));
+ }
+ // Paper end
+
/**
* Used by {@link World#getChunkAtAsync(Location,ChunkLoadCallback)} methods
* to request a {@link Chunk} to be loaded, with this callback receiving
--
2.18.0