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0976d52bbd
Upstream has released updates that appears to apply and compile correctly. This update has not been tested by PaperMC and as with ANY update, please do your own testing Please note that this build includes changes to meet upstreams requirements for nullability annotations. While we aim for a level of accuracy, these might not be 100% correct, if there are any issues, please speak to us on discord, or open an issue on the tracker to discuss. Bukkit Changes: 9a6a1de3 Remove nullability annotations from enum constructors 3f0591ea SPIGOT-2540: Add nullability annotations to entire Bukkit API CraftBukkit Changes:8d8475fcSPIGOT-4666: Force parameter in HumanEntity#sleep8b1588e2Fix ExplosionPrimeEvent#setFire not working with EnderCrystals39a287b7Don't ignore newlines in PlayerListHeader/Footer Spigot Changes: cf694d87 Add nullability annotations
127 lines
4.1 KiB
Diff
127 lines
4.1 KiB
Diff
From ac906f73eee22d9eb85008691f819c1e9e0d7bc3 Mon Sep 17 00:00:00 2001
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From: Spottedleaf <Spottedleaf@users.noreply.github.com>
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Date: Tue, 14 Aug 2018 21:42:10 -0700
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Subject: [PATCH] Allow Blocks to be accessed via a long key
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The key can be retrieved via methods Location#toBlockKey() and
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Block#getBlockKey()
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World provides lookup for blocks by long key via method World#getBlockAtKey(long)
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The formatting for the key is as follows:
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10 bit y|27 bit z|27 bit x
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The y value is considered unsigned while z and x are considered two's complement
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Y range: [0, 1023]
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X, Z range: [-67 108 864, 67 108 863]
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diff --git a/src/main/java/org/bukkit/Location.java b/src/main/java/org/bukkit/Location.java
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index d38f15142..d3cff9de8 100644
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--- a/src/main/java/org/bukkit/Location.java
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+++ b/src/main/java/org/bukkit/Location.java
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@@ -569,6 +569,18 @@ public class Location implements Cloneable, ConfigurationSerializable {
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blockLoc.setZ(getBlockZ());
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return blockLoc;
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}
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+
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+ // Paper Start
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+
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+ /**
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+ * @return The block key for this location's block location.
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+ * @see Block#getBlockKey()
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+ */
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+ public long toBlockKey() {
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+ return ((long)getBlockX() & 0x7FFFFFF) | (((long)getBlockZ() & 0x7FFFFFF) << 27) | ((long)getBlockY() << 54);
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+ }
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+ // Paper End
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+
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/**
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* @return A new location where X/Y/Z are the center of the block
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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 1b0744ed9..158917492 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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@@ -80,6 +80,39 @@ public interface World extends PluginMessageRecipient, Metadatable {
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@NotNull
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public Block getBlockAt(@NotNull Location location);
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+ // Paper start
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+ /**
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+ * Gets the {@link Block} at the given block key
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+ *
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+ * @param key The block key. See {@link Block#getBlockKey()}
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+ * @return Block at the key
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+ * @see Location#toBlockKey()
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+ * @see Block#getBlockKey()
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+ */
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+ @NotNull
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+ public default Block getBlockAtKey(long key) {
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+ int x = (int) ((key << 37) >> 37);
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+ int y = (int) (key >>> 54);
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+ int z = (int) ((key << 10) >> 37);
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+ return getBlockAt(x, y, z);
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+ }
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+ /**
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+ * Gets the {@link Location} at the given block key
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+ *
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+ * @param key The block key. See {@link Location#toBlockKey()}
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+ * @return Location at the key
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+ * @see Location#toBlockKey()
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+ * @see Block#getBlockKey()
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+ */
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+ @NotNull
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+ public default Location getLocationAtKey(long key) {
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+ int x = (int) ((key << 37) >> 37);
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+ int y = (int) (key >>> 54);
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+ int z = (int) ((key << 10) >> 37);
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+ return new Location(this, x, y, z);
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+ }
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+ // Paper end
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+
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/**
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* Gets the y coordinate of the lowest block at this position such that the
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* block and all blocks above it are transparent for lighting purposes.
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diff --git a/src/main/java/org/bukkit/block/Block.java b/src/main/java/org/bukkit/block/Block.java
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index 708288e99..42f31db29 100644
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--- a/src/main/java/org/bukkit/block/Block.java
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+++ b/src/main/java/org/bukkit/block/Block.java
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@@ -153,6 +153,33 @@ public interface Block extends Metadatable {
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*/
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int getZ();
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+ // Paper Start
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+
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+ /**
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+ * Returns this block's coordinates packed into a long value
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+ * <p>
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+ * The return value can be computed as follows:
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+ * <br>
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+ * {@code long value = ((long)getX() & 0x7FFFFFF) | (((long)getZ() & 0x7FFFFFF) << 27) | ((long)getY() << 54);}
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+ * </p>
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+ *
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+ * <p>
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+ * And may be unpacked as follows:
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+ *<br>
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+ * {@code int x = (int) ((packed << 37) >> 37);}
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+ * <br>
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+ * {@code int y = (int) (packed >>> 54);}
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+ * <br>
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+ * {@code int z = (int) ((packed << 10) >> 37);}
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+ * </p>
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+ *
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+ * @return This block's x, y, and z coordinates packed into a long value
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+ */
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+ public default long getBlockKey() {
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+ return ((long)getX() & 0x7FFFFFF) | (((long)getZ() & 0x7FFFFFF) << 27) | ((long)getY() << 54);
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+ }
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+ // Paper End
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+
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/**
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* Gets the Location of the block
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*
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--
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2.21.0
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