mirror of https://github.com/PaperMC/Paper.git
88 lines
3.2 KiB
Diff
88 lines
3.2 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Aikar <aikar@aikar.co>
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Date: Sat, 4 Aug 2018 19:37:35 -0400
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Subject: [PATCH] Provide Chunk Coordinates as a Long API
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Allows you to easily access the chunks X/z as a long, and a method
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to look up by the long key too.
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diff --git a/src/main/java/org/bukkit/Chunk.java b/src/main/java/org/bukkit/Chunk.java
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index a25f112f4d679946ddcb5ec9b4d0a0e2d1795bd3..57976bbe682d2309f7d15d5dcd3ad7f8049429ec 100644
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--- a/src/main/java/org/bukkit/Chunk.java
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+++ b/src/main/java/org/bukkit/Chunk.java
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@@ -35,6 +35,32 @@ public interface Chunk extends PersistentDataHolder {
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*/
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int getZ();
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+ // Paper start
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+ /**
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+ * @return The Chunks X and Z coordinates packed into a long
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+ */
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+ default long getChunkKey() {
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+ return getChunkKey(getX(), getZ());
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+ }
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+
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+ /**
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+ * @param loc Location to get chunk key
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+ * @return Location's chunk coordinates packed into a long
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+ */
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+ static long getChunkKey(@NotNull Location loc) {
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+ return getChunkKey((int) Math.floor(loc.getX()) >> 4, (int) Math.floor(loc.getZ()) >> 4);
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+ }
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+
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+ /**
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+ * @param x X Coordinate
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+ * @param z Z Coordinate
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+ * @return Chunk coordinates packed into a long
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+ */
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+ static long getChunkKey(int x, int z) {
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+ return (long) x & 0xffffffffL | ((long) z & 0xffffffffL) << 32;
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+ }
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+ // Paper end
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+
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/**
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* Gets the world containing this chunk
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*
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diff --git a/src/main/java/org/bukkit/World.java b/src/main/java/org/bukkit/World.java
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index b34eca520c34c70152860f5bad978cf3bed044fa..273c50b6e4f26457415779000cf09aeaffd21733 100644
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--- a/src/main/java/org/bukkit/World.java
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+++ b/src/main/java/org/bukkit/World.java
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@@ -182,6 +182,37 @@ public interface World extends RegionAccessor, WorldInfo, PluginMessageRecipient
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@NotNull
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public Chunk getChunkAt(@NotNull Block block);
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+ // Paper start - chunk long key API
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+ /**
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+ * Gets the chunk at the specified chunk key, which is the X and Z packed into a long.
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+ * <p>
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+ * See {@link Chunk#getChunkKey()} for easy access to the key, or you may calculate it as:
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+ * long chunkKey = (long) chunkX & 0xffffffffL | ((long) chunkZ & 0xffffffffL) >> 32;
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+ *
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+ * @param chunkKey The Chunk Key to look up the chunk by
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+ * @return The chunk at the specified key
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+ */
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+ @NotNull
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+ default Chunk getChunkAt(long chunkKey) {
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+ return getChunkAt(chunkKey, true);
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+ }
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+
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+ /**
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+ * Gets the chunk at the specified chunk key, which is the X and Z packed into a long.
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+ * <p>
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+ * See {@link Chunk#getChunkKey()} for easy access to the key, or you may calculate it as:
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+ * long chunkKey = (long) chunkX & 0xffffffffL | ((long) chunkZ & 0xffffffffL) >> 32;
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+ *
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+ * @param chunkKey The Chunk Key to look up the chunk by
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+ * @param generate Whether the chunk should be fully generated or not
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+ * @return The chunk at the specified key
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+ */
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+ @NotNull
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+ default Chunk getChunkAt(long chunkKey, boolean generate) {
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+ return getChunkAt((int) chunkKey, (int) (chunkKey >> 32), generate);
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+ }
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+ // Paper end - chunk long key API
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+
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/**
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* Checks if the specified {@link Chunk} is loaded
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*
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