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papermc/patches/api/0143-Async-Chunks-API.patch
Jake Potrebic bd38e0318a
Updated Upstream (Bukkit/CraftBukkit) (#10379) 
Updated Upstream (Bukkit/CraftBukkit)

Upstream has released updates that appear to apply and compile correctly.
This update has not been tested by PaperMC and as with ANY update, please do your own testing

Bukkit Changes:
f02baa38 PR-988: Add World#getIntersectingChunks(BoundingBox)
9321d665 Move getItemInUse up to LivingEntity
819eef73 PR-959: Add access to current item's remaining ticks
c4fdadb0 SPIGOT-7601: Add AbstractArrow#getItem
be8261ca Add support for Java 22
26119676 PR-979: Add more translation keys
66753362 PR-985: Correct book maximum pages and characters per page documentation
c8be92fa PR-980: Improve getArmorContents() documentation
f1120ee2 PR-983: Expose riptide velocity to PlayerRiptideEvent

CraftBukkit Changes:
dfaa89bbe PR-1369: Add World#getIntersectingChunks(BoundingBox)
51bbab2b9 Move getItemInUse up to LivingEntity
668e09602 PR-1331: Add access to current item's remaining ticks
a639406d1 SPIGOT-7601: Add AbstractArrow#getItem
0398930fc SPIGOT-7602: Allow opening in-world horse and related inventories
ffd15611c SPIGOT-7608: Allow empty lists to morph to any PDT list
2188dcfa9 Add support for Java 22
45d6a609f SPIGOT-7604: Revert "SPIGOT-7365: DamageCause blocked by shield should trigger invulnerableTime"
06d915943 SPIGOT-7365: DamageCause blocked by shield should trigger invulnerableTime
ca3bc3707 PR-1361: Add more translation keys
366c3ca80 SPIGOT-7600: EntityChangeBlockEvent is not fired for frog eggs
06d0f9ba8 SPIGOT-7593: Fix sapling growth physics / client-side updates
45c2608e4 PR-1366: Expose riptide velocity to PlayerRiptideEvent
29b6bb79b SPIGOT-7587: Remove fixes for now-resolved MC-142590 and MC-109346
2024-04-06 12:53:39 -07:00

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Mon, 29 Feb 2016 17:43:33 -0600
Subject: [PATCH] Async Chunks API
Adds API's to load or generate chunks asynchronously.
Also adds utility methods to Entity to teleport asynchronously.
diff --git a/src/main/java/org/bukkit/World.java b/src/main/java/org/bukkit/World.java
index 8bef6168caf0932a5a64cf69eb7988fa3191b13a..ab183821b93dcfed1e881b481f0a3166f465ecfb 100644
--- a/src/main/java/org/bukkit/World.java
+++ b/src/main/java/org/bukkit/World.java
@@ -950,6 +950,472 @@ public interface World extends RegionAccessor, WorldInfo, PluginMessageRecipient
}
// Paper end - additional getNearbyEntities API
+ // Paper start - async chunks API
+ /**
+ * This is the Legacy API before Java 8 was supported. Java 8 Consumer is provided,
+ * as well as future support
+ *
+ * Used by {@link World#getChunkAtAsync(Location,ChunkLoadCallback)} methods
+ * to request a {@link Chunk} to be loaded, with this callback receiving
+ * the chunk when it is finished.
+ *
+ * This callback will be executed on synchronously on the main thread.
+ *
+ * Timing and order this callback is fired is intentionally not defined and
+ * and subject to change.
+ *
+ * @deprecated Use either the Future or the Consumer based methods
+ */
+ @Deprecated
+ public static interface ChunkLoadCallback extends java.util.function.Consumer<Chunk> {
+ public void onLoad(@NotNull Chunk chunk);
+
+ // backwards compat to old api
+ @Override
+ default void accept(@NotNull Chunk chunk) {
+ onLoad(chunk);
+ }
+ }
+
+ /**
+ * Requests a {@link Chunk} to be loaded at the given coordinates
+ *
+ * This method makes no guarantee on how fast the chunk will load,
+ * and will return the chunk to the callback at a later time.
+ *
+ * You should use this method if you need a chunk but do not need it
+ * immediately, and you wish to let the server control the speed
+ * of chunk loads, keeping performance in mind.
+ *
+ * The {@link ChunkLoadCallback} will always be executed synchronously
+ * on the main Server Thread.
+ *
+ * @deprecated Use either the Future or the Consumer based methods
+ * @param x Chunk X-coordinate of the chunk - floor(world coordinate / 16)
+ * @param z Chunk Z-coordinate of the chunk - floor(world coordinate / 16)
+ * @param cb Callback to receive the chunk when it is loaded.
+ * will be executed synchronously
+ */
+ @Deprecated
+ public default void getChunkAtAsync(int x, int z, @NotNull ChunkLoadCallback cb) {
+ getChunkAtAsync(x, z, true).thenAccept(cb::onLoad).exceptionally((ex) -> {
+ Bukkit.getLogger().log(java.util.logging.Level.WARNING, "Exception in chunk load callback", ex);
+ return null;
+ });
+ }
+
+ /**
+ * Requests a {@link Chunk} to be loaded at the given {@link Location}
+ *
+ * This method makes no guarantee on how fast the chunk will load,
+ * and will return the chunk to the callback at a later time.
+ *
+ * You should use this method if you need a chunk but do not need it
+ * immediately, and you wish to let the server control the speed
+ * of chunk loads, keeping performance in mind.
+ *
+ * The {@link ChunkLoadCallback} will always be executed synchronously
+ * on the main Server Thread.
+ *
+ * @deprecated Use either the Future or the Consumer based methods
+ * @param loc Location of the chunk
+ * @param cb Callback to receive the chunk when it is loaded.
+ * will be executed synchronously
+ */
+ @Deprecated
+ public default void getChunkAtAsync(@NotNull Location loc, @NotNull ChunkLoadCallback cb) {
+ getChunkAtAsync(loc, true).thenAccept(cb::onLoad).exceptionally((ex) -> {
+ Bukkit.getLogger().log(java.util.logging.Level.WARNING, "Exception in chunk load callback", ex);
+ return null;
+ });
+ }
+
+ /**
+ * Requests {@link Chunk} to be loaded that contains the given {@link Block}
+ *
+ * This method makes no guarantee on how fast the chunk will load,
+ * and will return the chunk to the callback at a later time.
+ *
+ * You should use this method if you need a chunk but do not need it
+ * immediately, and you wish to let the server control the speed
+ * of chunk loads, keeping performance in mind.
+ *
+ * The {@link ChunkLoadCallback} will always be executed synchronously
+ * on the main Server Thread.
+ *
+ * @deprecated Use either the Future or the Consumer based methods
+ * @param block Block to get the containing chunk from
+ * @param cb Callback to receive the chunk when it is loaded.
+ * will be executed synchronously
+ */
+ @Deprecated
+ public default void getChunkAtAsync(@NotNull Block block, @NotNull ChunkLoadCallback cb) {
+ getChunkAtAsync(block, true).thenAccept(cb::onLoad).exceptionally((ex) -> {
+ Bukkit.getLogger().log(java.util.logging.Level.WARNING, "Exception in chunk load callback", ex);
+ return null;
+ });
+ }
+
+ /**
+ * Requests a {@link Chunk} to be loaded at the given coordinates
+ *
+ * This method makes no guarantee on how fast the chunk will load,
+ * and will return the chunk to the callback at a later time.
+ *
+ * You should use this method if you need a chunk but do not need it
+ * immediately, and you wish to let the server control the speed
+ * of chunk loads, keeping performance in mind.
+ *
+ * The {@link java.util.function.Consumer} will always be executed synchronously
+ * on the main Server Thread.
+ *
+ * @param x Chunk X-coordinate of the chunk - floor(world coordinate / 16)
+ * @param z Chunk Z-coordinate of the chunk - floor(world coordinate / 16)
+ * @param cb Callback to receive the chunk when it is loaded.
+ * will be executed synchronously
+ */
+ default void getChunkAtAsync(final int x, final int z, final @NotNull Consumer<? super Chunk> cb) {
+ this.getChunkAtAsync(x, z, true).thenAccept(cb).exceptionally((ex) -> {
+ Bukkit.getLogger().log(java.util.logging.Level.WARNING, "Exception in chunk load callback", ex);
+ return null;
+ });
+ }
+
+ /**
+ * Requests a {@link Chunk} to be loaded at the given coordinates
+ *
+ * This method makes no guarantee on how fast the chunk will load,
+ * and will return the chunk to the callback at a later time.
+ *
+ * You should use this method if you need a chunk but do not need it
+ * immediately, and you wish to let the server control the speed
+ * of chunk loads, keeping performance in mind.
+ *
+ * The {@link java.util.function.Consumer} will always be executed synchronously
+ * on the main Server Thread.
+ *
+ * @param x Chunk X-coordinate of the chunk - floor(world coordinate / 16)
+ * @param z Chunk Z-coordinate of the chunk - floor(world coordinate / 16)
+ * @param gen Should we generate a chunk if it doesn't exist or not
+ * @param cb Callback to receive the chunk when it is loaded.
+ * will be executed synchronously
+ */
+ default void getChunkAtAsync(final int x, final int z, final boolean gen, final @NotNull Consumer<? super Chunk> cb) {
+ this.getChunkAtAsync(x, z, gen).thenAccept(cb).exceptionally((ex) -> {
+ Bukkit.getLogger().log(java.util.logging.Level.WARNING, "Exception in chunk load callback", ex);
+ return null;
+ });
+ }
+
+ /**
+ * Requests a {@link Chunk} to be loaded at the given {@link Location}
+ *
+ * This method makes no guarantee on how fast the chunk will load,
+ * and will return the chunk to the callback at a later time.
+ *
+ * You should use this method if you need a chunk but do not need it
+ * immediately, and you wish to let the server control the speed
+ * of chunk loads, keeping performance in mind.
+ *
+ * The {@link java.util.function.Consumer} will always be executed synchronously
+ * on the main Server Thread.
+ *
+ * @param loc Location of the chunk
+ * @param cb Callback to receive the chunk when it is loaded.
+ * will be executed synchronously
+ */
+ default void getChunkAtAsync(final @NotNull Location loc, final @NotNull Consumer<? super Chunk> cb) {
+ this.getChunkAtAsync((int) Math.floor(loc.getX()) >> 4, (int) Math.floor(loc.getZ()) >> 4, true, cb);
+ }
+
+ /**
+ * Requests a {@link Chunk} to be loaded at the given {@link Location}
+ *
+ * This method makes no guarantee on how fast the chunk will load,
+ * and will return the chunk to the callback at a later time.
+ *
+ * You should use this method if you need a chunk but do not need it
+ * immediately, and you wish to let the server control the speed
+ * of chunk loads, keeping performance in mind.
+ *
+ * The {@link java.util.function.Consumer} will always be executed synchronously
+ * on the main Server Thread.
+ *
+ * @param loc Location of the chunk
+ * @param gen Should the chunk generate if it doesn't exist
+ * @param cb Callback to receive the chunk when it is loaded.
+ * will be executed synchronously
+ */
+ default void getChunkAtAsync(final @NotNull Location loc, final boolean gen, final @NotNull Consumer<? super Chunk> cb) {
+ this.getChunkAtAsync((int) Math.floor(loc.getX()) >> 4, (int) Math.floor(loc.getZ()) >> 4, gen, cb);
+ }
+
+ /**
+ * Requests {@link Chunk} to be loaded that contains the given {@link Block}
+ *
+ * This method makes no guarantee on how fast the chunk will load,
+ * and will return the chunk to the callback at a later time.
+ *
+ * You should use this method if you need a chunk but do not need it
+ * immediately, and you wish to let the server control the speed
+ * of chunk loads, keeping performance in mind.
+ *
+ * The {@link java.util.function.Consumer} will always be executed synchronously
+ * on the main Server Thread.
+ *
+ * @param block Block to get the containing chunk from
+ * @param cb Callback to receive the chunk when it is loaded.
+ * will be executed synchronously
+ */
+ default void getChunkAtAsync(final @NotNull Block block, final @NotNull Consumer<? super Chunk> cb) {
+ this.getChunkAtAsync(block.getX() >> 4, block.getZ() >> 4, true, cb);
+ }
+
+ /**
+ * Requests {@link Chunk} to be loaded that contains the given {@link Block}
+ *
+ * This method makes no guarantee on how fast the chunk will load,
+ * and will return the chunk to the callback at a later time.
+ *
+ * You should use this method if you need a chunk but do not need it
+ * immediately, and you wish to let the server control the speed
+ * of chunk loads, keeping performance in mind.
+ *
+ * The {@link java.util.function.Consumer} will always be executed synchronously
+ * on the main Server Thread.
+ *
+ * @param block Block to get the containing chunk from
+ * @param gen Should the chunk generate if it doesn't exist
+ * @param cb Callback to receive the chunk when it is loaded.
+ * will be executed synchronously
+ */
+ default void getChunkAtAsync(final @NotNull Block block, final boolean gen, final @NotNull Consumer<? super Chunk> cb) {
+ this.getChunkAtAsync(block.getX() >> 4, block.getZ() >> 4, gen, cb);
+ }
+
+ /**
+ * Requests a {@link Chunk} to be loaded at the given coordinates
+ *
+ * This method makes no guarantee on how fast the chunk will load,
+ * and will return the chunk to the callback at a later time.
+ *
+ * You should use this method if you need a chunk but do not need it
+ * immediately, and you wish to let the server control the speed
+ * of chunk loads, keeping performance in mind.
+ *
+ * The future will always be executed synchronously
+ * on the main Server Thread.
+ * @param loc Location to load the corresponding chunk from
+ * @return Future that will resolve when the chunk is loaded
+ */
+ default @NotNull java.util.concurrent.CompletableFuture<Chunk> getChunkAtAsync(final @NotNull Location loc) {
+ return this.getChunkAtAsync((int) Math.floor(loc.getX()) >> 4, (int) Math.floor(loc.getZ()) >> 4, true);
+ }
+
+ /**
+ * Requests a {@link Chunk} to be loaded at the given coordinates
+ *
+ * This method makes no guarantee on how fast the chunk will load,
+ * and will return the chunk to the callback at a later time.
+ *
+ * You should use this method if you need a chunk but do not need it
+ * immediately, and you wish to let the server control the speed
+ * of chunk loads, keeping performance in mind.
+ *
+ * The future will always be executed synchronously
+ * on the main Server Thread.
+ * @param loc Location to load the corresponding chunk from
+ * @param gen Should the chunk generate if it doesn't exist
+ * @return Future that will resolve when the chunk is loaded
+ */
+ default @NotNull java.util.concurrent.CompletableFuture<Chunk> getChunkAtAsync(final @NotNull Location loc, final boolean gen) {
+ return this.getChunkAtAsync((int) Math.floor(loc.getX()) >> 4, (int) Math.floor(loc.getZ()) >> 4, gen);
+ }
+
+ /**
+ * Requests a {@link Chunk} to be loaded at the given coordinates
+ *
+ * This method makes no guarantee on how fast the chunk will load,
+ * and will return the chunk to the callback at a later time.
+ *
+ * You should use this method if you need a chunk but do not need it
+ * immediately, and you wish to let the server control the speed
+ * of chunk loads, keeping performance in mind.
+ *
+ * The future will always be executed synchronously
+ * on the main Server Thread.
+ * @param block Block to load the corresponding chunk from
+ * @return Future that will resolve when the chunk is loaded
+ */
+ default @NotNull java.util.concurrent.CompletableFuture<Chunk> getChunkAtAsync(final @NotNull Block block) {
+ return this.getChunkAtAsync(block.getX() >> 4, block.getZ() >> 4, true);
+ }
+
+ /**
+ * Requests a {@link Chunk} to be loaded at the given coordinates
+ *
+ * This method makes no guarantee on how fast the chunk will load,
+ * and will return the chunk to the callback at a later time.
+ *
+ * You should use this method if you need a chunk but do not need it
+ * immediately, and you wish to let the server control the speed
+ * of chunk loads, keeping performance in mind.
+ *
+ * The future will always be executed synchronously
+ * on the main Server Thread.
+ * @param block Block to load the corresponding chunk from
+ * @param gen Should the chunk generate if it doesn't exist
+ * @return Future that will resolve when the chunk is loaded
+ */
+ default @NotNull java.util.concurrent.CompletableFuture<Chunk> getChunkAtAsync(final @NotNull Block block, final boolean gen) {
+ return this.getChunkAtAsync(block.getX() >> 4, block.getZ() >> 4, gen);
+ }
+
+ /**
+ * Requests a {@link Chunk} to be loaded at the given coordinates
+ *
+ * This method makes no guarantee on how fast the chunk will load,
+ * and will return the chunk to the callback at a later time.
+ *
+ * You should use this method if you need a chunk but do not need it
+ * immediately, and you wish to let the server control the speed
+ * of chunk loads, keeping performance in mind.
+ *
+ * The future will always be executed synchronously
+ * on the main Server Thread.
+ *
+ * @param x Chunk X-coordinate of the chunk - floor(world coordinate / 16)
+ * @param z Chunk Z-coordinate of the chunk - floor(world coordinate / 16)
+ * @return Future that will resolve when the chunk is loaded
+ */
+ default @NotNull java.util.concurrent.CompletableFuture<Chunk> getChunkAtAsync(final int x, final int z) {
+ return this.getChunkAtAsync(x, z, true);
+ }
+
+ /**
+ * Requests a {@link Chunk} to be loaded at the given coordinates
+ *
+ * This method makes no guarantee on how fast the chunk will load,
+ * and will return the chunk to the callback at a later time.
+ *
+ * You should use this method if you need a chunk but do not need it
+ * immediately, and you wish to let the server control the speed
+ * of chunk loads, keeping performance in mind.
+ *
+ * The future will always be executed synchronously
+ * on the main Server Thread.
+ *
+ * @param x Chunk X-coordinate of the chunk - floor(world coordinate / 16)
+ * @param z Chunk Z-coordinate of the chunk - floor(world coordinate / 16)
+ * @param gen Should we generate a chunk if it doesn't exist or not
+ * @return Future that will resolve when the chunk is loaded
+ */
+ default @NotNull java.util.concurrent.CompletableFuture<Chunk> getChunkAtAsync(final int x, final int z, final boolean gen) {
+ return this.getChunkAtAsync(x, z, gen, false);
+ }
+
+ /**
+ * Requests a {@link Chunk} to be loaded at the given coordinates
+ *
+ * This method makes no guarantee on how fast the chunk will load,
+ * and will return the chunk to the callback at a later time.
+ *
+ * You should use this method if you need a chunk but do not need it
+ * immediately, and you wish to let the server control the speed
+ * of chunk loads, keeping performance in mind.
+ *
+ * The future will always be executed synchronously
+ * on the main Server Thread.
+ * @param loc Location to load the corresponding chunk from
+ * @return Future that will resolve when the chunk is loaded
+ */
+ default @NotNull java.util.concurrent.CompletableFuture<Chunk> getChunkAtAsyncUrgently(final @NotNull Location loc) {
+ return this.getChunkAtAsync((int) Math.floor(loc.getX()) >> 4, (int) Math.floor(loc.getZ()) >> 4, true, true);
+ }
+
+ /**
+ * Requests a {@link Chunk} to be loaded at the given coordinates
+ *
+ * This method makes no guarantee on how fast the chunk will load,
+ * and will return the chunk to the callback at a later time.
+ *
+ * You should use this method if you need a chunk but do not need it
+ * immediately, and you wish to let the server control the speed
+ * of chunk loads, keeping performance in mind.
+ *
+ * The future will always be executed synchronously
+ * on the main Server Thread.
+ * @param loc Location to load the corresponding chunk from
+ * @param gen Should the chunk generate if it doesn't exist
+ * @return Future that will resolve when the chunk is loaded
+ */
+ default @NotNull java.util.concurrent.CompletableFuture<Chunk> getChunkAtAsyncUrgently(final @NotNull Location loc, final boolean gen) {
+ return this.getChunkAtAsync((int) Math.floor(loc.getX()) >> 4, (int) Math.floor(loc.getZ()) >> 4, gen, true);
+ }
+
+ /**
+ * Requests a {@link Chunk} to be loaded at the given coordinates
+ *
+ * This method makes no guarantee on how fast the chunk will load,
+ * and will return the chunk to the callback at a later time.
+ *
+ * You should use this method if you need a chunk but do not need it
+ * immediately, and you wish to let the server control the speed
+ * of chunk loads, keeping performance in mind.
+ *
+ * The future will always be executed synchronously
+ * on the main Server Thread.
+ * @param block Block to load the corresponding chunk from
+ * @return Future that will resolve when the chunk is loaded
+ */
+ default @NotNull java.util.concurrent.CompletableFuture<Chunk> getChunkAtAsyncUrgently(final @NotNull Block block) {
+ return this.getChunkAtAsync(block.getX() >> 4, block.getZ() >> 4, true, true);
+ }
+
+ /**
+ * Requests a {@link Chunk} to be loaded at the given coordinates
+ *
+ * This method makes no guarantee on how fast the chunk will load,
+ * and will return the chunk to the callback at a later time.
+ *
+ * You should use this method if you need a chunk but do not need it
+ * immediately, and you wish to let the server control the speed
+ * of chunk loads, keeping performance in mind.
+ *
+ * The future will always be executed synchronously
+ * on the main Server Thread.
+ * @param block Block to load the corresponding chunk from
+ * @param gen Should the chunk generate if it doesn't exist
+ * @return Future that will resolve when the chunk is loaded
+ */
+ default @NotNull java.util.concurrent.CompletableFuture<Chunk> getChunkAtAsyncUrgently(final @NotNull Block block, final boolean gen) {
+ return this.getChunkAtAsync(block.getX() >> 4, block.getZ() >> 4, gen, true);
+ }
+
+ /**
+ * Requests a {@link Chunk} to be loaded at the given coordinates
+ *
+ * This method makes no guarantee on how fast the chunk will load,
+ * and will return the chunk to the callback at a later time.
+ *
+ * You should use this method if you need a chunk but do not need it
+ * immediately, and you wish to let the server control the speed
+ * of chunk loads, keeping performance in mind.
+ *
+ * The future will always be executed synchronously
+ * on the main Server Thread.
+ *
+ * @param x X Coord
+ * @param z Z Coord
+ * @return Future that will resolve when the chunk is loaded
+ */
+ default @NotNull java.util.concurrent.CompletableFuture<Chunk> getChunkAtAsyncUrgently(final int x, final int z) {
+ return this.getChunkAtAsync(x, z, true, true);
+ }
+
+ java.util.concurrent.@NotNull CompletableFuture<Chunk> getChunkAtAsync(int x, int z, boolean gen, boolean urgent);
+ // Paper end - async chunks API
+
/**
* Get a list of all players in this World
*
diff --git a/src/main/java/org/bukkit/entity/Entity.java b/src/main/java/org/bukkit/entity/Entity.java
index 57a1d07d0430019fd38c72b9f58c7145927ecd02..a0ed358156f9cbeb9e3cbb910ac17785edd30152 100644
--- a/src/main/java/org/bukkit/entity/Entity.java
+++ b/src/main/java/org/bukkit/entity/Entity.java
@@ -168,6 +168,33 @@ public interface Entity extends Metadatable, CommandSender, Nameable, Persistent
*/
public boolean teleport(@NotNull Entity destination, @NotNull TeleportCause cause);
+ // Paper start
+ /**
+ * Loads/Generates(in 1.13+) the Chunk asynchronously, and then teleports the entity when the chunk is ready.
+ * @param loc Location to teleport to
+ * @return A future that will be completed with the result of the teleport
+ */
+ @NotNull
+ public default java.util.concurrent.CompletableFuture<Boolean> teleportAsync(@NotNull Location loc) {
+ return teleportAsync(loc, TeleportCause.PLUGIN);
+ }
+ /**
+ * Loads/Generates(in 1.13+) the Chunk asynchronously, and then teleports the entity when the chunk is ready.
+ * @param loc Location to teleport to
+ * @param cause Reason for teleport
+ * @return A future that will be completed with the result of the teleport
+ */
+ @NotNull
+ public default java.util.concurrent.CompletableFuture<Boolean> teleportAsync(@NotNull Location loc, @NotNull TeleportCause cause) {
+ java.util.concurrent.CompletableFuture<Boolean> future = new java.util.concurrent.CompletableFuture<>();
+ loc.getWorld().getChunkAtAsyncUrgently(loc).thenAccept((chunk) -> future.complete(teleport(loc, cause))).exceptionally(ex -> {
+ future.completeExceptionally(ex);
+ return null;
+ });
+ return future;
+ }
+ // Paper end
+
/**
* Returns a list of entities within a bounding box centered around this
* entity
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