Paper/patches/api/0136-Provide-Chunk-Coordinates-as-a-Long-API.patch

73 lines
2.5 KiB
Diff

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 5fd6030b2693d793951ed632ad4870e1a6f909aa..40ddeb7abd49eeece531a8e90b4508f3831cc3e9 100644
--- a/src/main/java/org/bukkit/Chunk.java
+++ b/src/main/java/org/bukkit/Chunk.java
@@ -28,6 +28,32 @@ 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 91755d27b84abad516d891d4b0b7869124cb263e..d3d0e4448135f6c0440c15e0dd3fc15c2616263a 100644
--- a/src/main/java/org/bukkit/World.java
+++ b/src/main/java/org/bukkit/World.java
@@ -207,6 +207,22 @@ public interface World extends RegionAccessor, WorldInfo, PluginMessageRecipient
@NotNull
public Chunk getChunkAt(@NotNull 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:
+ * 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
+ */
+ @NotNull
+ public default Chunk getChunkAt(long chunkKey) {
+ return getChunkAt((int) chunkKey, (int) (chunkKey >> 32));
+ }
+ // Paper end
+
/**
* Checks if the specified {@link Chunk} is loaded
*