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From 0000000000000000000000000000000000000000 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 20ed1c40437cbf8449dd4d7876086ccb6407b470..8764441ec1bae67a029b13c4c98246574ba32ef5 100644
--- a/src/main/java/org/bukkit/Chunk.java
+++ b/src/main/java/org/bukkit/Chunk.java
@@ -36,6 +36,32 @@ public interface Chunk extends PersistentDataHolder {
*/
int getZ();
+ // Paper start
+ /**
+ * @return The Chunks X and Z coordinates packed into a long
+ */
+ default long getChunkKey() {
+ return getChunkKey(getX(), getZ());
+ }
+
+ /**
+ * @param loc Location to get chunk key
+ * @return Location's chunk coordinates packed into a long
+ */
+ static long getChunkKey(@NotNull Location loc) {
+ return getChunkKey((int) Math.floor(loc.getX()) >> 4, (int) Math.floor(loc.getZ()) >> 4);
+ }
+
+ /**
+ * @param x X Coordinate
+ * @param z Z Coordinate
+ * @return Chunk coordinates packed into a long
+ */
+ static long getChunkKey(int x, int z) {
+ return (long) x & 0xffffffffL | ((long) z & 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 fd61be5d75dadb91b5a4bb8dfe246c7ec7aa2f1f..4ecbfe4d28316527ff00e206941da9c0fc9235d0 100644
--- a/src/main/java/org/bukkit/World.java
+++ b/src/main/java/org/bukkit/World.java
@@ -182,6 +182,37 @@ public interface World extends RegionAccessor, WorldInfo, PluginMessageRecipient
@NotNull
public Chunk getChunkAt(@NotNull Block block);
+ // Paper start - chunk long key API
+ /**
+ * Gets the chunk at the specified chunk key, which is the X and Z packed into a long.
+ * <p>
+ * See {@link Chunk#getChunkKey()} for easy access to the key, or you may calculate it as:
+ * long chunkKey = (long) chunkX & 0xffffffffL | ((long) chunkZ & 0xffffffffL) >> 32;
+ *
+ * @param chunkKey The Chunk Key to look up the chunk by
+ * @return The chunk at the specified key
+ */
+ @NotNull
+ default Chunk getChunkAt(long chunkKey) {
+ return getChunkAt(chunkKey, true);
+ }
+
+ /**
+ * Gets the chunk at the specified chunk key, which is the X and Z packed into a long.
+ * <p>
+ * See {@link Chunk#getChunkKey()} for easy access to the key, or you may calculate it as:
+ * long chunkKey = (long) chunkX & 0xffffffffL | ((long) chunkZ & 0xffffffffL) >> 32;
+ *
+ * @param chunkKey The Chunk Key to look up the chunk by
+ * @param generate Whether the chunk should be fully generated or not
+ * @return The chunk at the specified key
+ */
+ @NotNull
+ default Chunk getChunkAt(long chunkKey, boolean generate) {
+ return getChunkAt((int) chunkKey, (int) (chunkKey >> 32), generate);
+ }
+ // Paper end - chunk long key API
+
/**
* Checks if the specified {@link Chunk} is loaded
*
|
