From 29b931883c7086125b1f923b07f1282da12564f0 Mon Sep 17 00:00:00 2001 From: Aikar 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 441ed7ad..33cd0ea0 100644 --- a/src/main/java/org/bukkit/Chunk.java +++ b/src/main/java/org/bukkit/Chunk.java @@ -23,6 +23,32 @@ public interface Chunk { */ 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(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 301d9418..deabd400 100644 --- a/src/main/java/org/bukkit/World.java +++ b/src/main/java/org/bukkit/World.java @@ -139,6 +139,21 @@ 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: + * 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 + */ + public default Chunk getChunkAt(long chunkKey) { + return getChunkAt((int) chunkKey, (int) (chunkKey >> 32)); + } + // Paper end + /** * Checks if the specified {@link Chunk} is loaded * -- 2.20.1