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Paper/patches/api/0246-Add-StructuresLocateEvent.patch
Jake Potrebic 773dd72446
Updated Upstream (Bukkit/CraftBukkit) (#9739) 
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:
69c7ce23 PR-990: Use Mockito instead of InvocationHandler for test mocking
997de31d PR-893: Add a stream method to Registry to make it easier to use and to avoid unnecessary wrapping
6a8ce581 Fix malformed javadoc in previous commit
26c74f6d PR-890: Add more Sculk API (bloom, shriek, bloom event)
aa067abf PR-895: Load GameEvent and MusicInstrument from registry

CraftBukkit Changes:
78796c9de Add support for Java 21
ddc9a2dad SPIGOT-7475: Don't fire SculkBloomEvent during world generation
caee2311a PR-1245: Add a stream method to Registry to make it easier to use and to avoid unnecessary wrapping
de421cf56 PR-1242: Add more Sculk API (bloom, shriek, bloom event)
00f5a80fb PR-1252: Fix error when generating a tree in water
10219df3a PR-1248: Load GameEvent and MusicInstrument from registry
2023-09-21 18:48:55 +02:00

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: dfsek <dfsek@protonmail.com>
Date: Tue, 15 Sep 2020 21:59:16 -0700
Subject: [PATCH] Add StructuresLocateEvent
Co-authored-by: Jake Potrebic <jake.m.potrebic@gmail.com>
diff --git a/src/main/java/io/papermc/paper/event/world/StructureLocateEvent.java b/src/main/java/io/papermc/paper/event/world/StructureLocateEvent.java
new file mode 100644
index 0000000000000000000000000000000000000000..679677cf6a889ee23822b728b882e741c500df81
--- /dev/null
+++ b/src/main/java/io/papermc/paper/event/world/StructureLocateEvent.java
@@ -0,0 +1,158 @@
+package io.papermc.paper.event.world;
+
+import org.bukkit.Location;
+import org.bukkit.StructureType;
+import org.bukkit.World;
+import org.bukkit.event.Cancellable;
+import org.bukkit.event.HandlerList;
+import org.bukkit.event.world.WorldEvent;
+import org.jetbrains.annotations.ApiStatus;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+/**
+ * Called <b>before</b> a structure/feature is located.
+ * This happens when:
+ * <ul>
+ * <li>The /locate command is used.<br></li>
+ * <li>An Eye of Ender is used.</li>
+ * <li>An Explorer/Treasure Map is activated.</li>
+ * <li>{@link World#locateNearestStructure(Location, StructureType, int, boolean)} is invoked.</li>
+ * </ul>
+ * @deprecated no longer used, see {@link StructuresLocateEvent}
+ */
+@Deprecated(forRemoval = true) @ApiStatus.ScheduledForRemoval(inVersion = "1.21")
+public class StructureLocateEvent extends WorldEvent implements Cancellable {
+ private static final HandlerList handlers = new HandlerList();
+ private final Location origin;
+ private Location result = null;
+ private StructureType type;
+ private int radius;
+ private boolean findUnexplored;
+ private boolean cancelled = false;
+
+ public StructureLocateEvent(@NotNull World world, @NotNull Location origin, @NotNull StructureType structureType, int radius, boolean findUnexplored) {
+ super(world);
+ this.origin = origin;
+ this.type = structureType;
+ this.radius = radius;
+ this.findUnexplored = findUnexplored;
+ }
+
+ @NotNull
+ public static HandlerList getHandlerList() {
+ return handlers;
+ }
+
+ @NotNull
+ @Override
+ public HandlerList getHandlers() {
+ return handlers;
+ }
+
+ /**
+ * Gets the location set as the structure location, if it was defined.
+ * <p>
+ * Returns {@code null} if it has not been set by {@link StructureLocateEvent#setResult(Location)}.
+ * Since this event fires <i>before</i> the search is done, the actual location is unknown at this point.
+ *
+ * @return The result location, if it has been set. null if it has not.
+ * @see World#locateNearestStructure(Location, StructureType, int, boolean)
+ */
+ @Nullable
+ public Location getResult() {
+ return result;
+ }
+
+ /**
+ * Sets the result {@link Location}. This causes the search to be skipped, and the location passed here to be used as the result.
+ *
+ * @param result the {@link Location} of the structure.
+ */
+ public void setResult(@Nullable Location result) {
+ this.result = result;
+ }
+
+ /**
+ * Gets the {@link StructureType} that is to be located.
+ *
+ * @return the structure type.
+ */
+ @NotNull
+ public StructureType getType() {
+ return type;
+ }
+
+ /**
+ * Sets the {@link StructureType} that is to be located.
+ *
+ * @param type the structure type.
+ */
+ public void setType(@NotNull StructureType type) {
+ this.type = type;
+ }
+
+ /**
+ * Gets the {@link Location} from which the search is to be conducted.
+ *
+ * @return {@link Location} where search begins
+ */
+ @NotNull
+ public Location getOrigin() {
+ return origin;
+ }
+
+ /**
+ * Gets the search radius in which to attempt locating the structure.
+ * <p>
+ * This radius may not always be obeyed during the structure search!
+ *
+ * @return the search radius.
+ */
+ public int getRadius() {
+ return radius;
+ }
+
+ /**
+ * Sets the search radius in which to attempt locating the structure.
+ * <p>
+ * This radius may not always be obeyed during the structure search!
+ *
+ * @param radius the search radius.
+ */
+ public void setRadius(int radius) {
+ this.radius = radius;
+ }
+
+ /**
+ * Gets whether to search exclusively for unexplored structures.
+ * <p>
+ * As with the search radius, this value is not always obeyed.
+ *
+ * @return Whether to search for only unexplored structures.
+ */
+ public boolean shouldFindUnexplored() {
+ return findUnexplored;
+ }
+
+ /**
+ * Sets whether to search exclusively for unexplored structures.
+ * <p>
+ * As with the search radius, this value is not always obeyed.
+ *
+ * @param findUnexplored Whether to search for only unexplored structures.
+ */
+ public void setFindUnexplored(boolean findUnexplored) {
+ this.findUnexplored = findUnexplored;
+ }
+
+ @Override
+ public boolean isCancelled() {
+ return cancelled;
+ }
+
+ @Override
+ public void setCancelled(boolean cancel) {
+ this.cancelled = cancel;
+ }
+}
diff --git a/src/main/java/io/papermc/paper/event/world/StructuresLocateEvent.java b/src/main/java/io/papermc/paper/event/world/StructuresLocateEvent.java
new file mode 100644
index 0000000000000000000000000000000000000000..4342b162f69b6509503e9772ddd2c5ac6659545a
--- /dev/null
+++ b/src/main/java/io/papermc/paper/event/world/StructuresLocateEvent.java
@@ -0,0 +1,210 @@
+package io.papermc.paper.event.world;
+
+import io.papermc.paper.math.Position;
+import io.papermc.paper.util.TransformingRandomAccessList;
+import io.papermc.paper.world.structure.ConfiguredStructure;
+import java.util.Collections;
+import java.util.List;
+import java.util.Objects;
+import org.bukkit.Location;
+import org.bukkit.World;
+import org.bukkit.event.Cancellable;
+import org.bukkit.event.HandlerList;
+import org.bukkit.event.world.WorldEvent;
+import org.bukkit.generator.structure.Structure;
+import org.bukkit.generator.structure.StructureType;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+import org.jetbrains.annotations.UnmodifiableView;
+
+/**
+ * Called <b>before</b> a set of configured structures is located.
+ * This happens when:
+ * <ul>
+ * <li>The /locate command is used.<br></li>
+ * <li>An Eye of Ender is used.</li>
+ * <li>An Explorer/Treasure Map is activated.</li>
+ * <li>A dolphin swims to a treasure location.</li>
+ * <li>A trade is done with a villager for a map.</li>
+ * <li>{@link World#locateNearestStructure(Location, StructureType, int, boolean)} is invoked.</li>
+ * <li>{@link World#locateNearestStructure(Location, Structure, int, boolean)} is invoked.</li>
+ * </ul>
+ */
+public class StructuresLocateEvent extends WorldEvent implements Cancellable {
+
+ private static final HandlerList HANDLER_LIST = new HandlerList();
+
+ private final Location origin;
+ private Result result;
+ private List<Structure> structures;
+ private List<ConfiguredStructure> legacy$structures;
+ private int radius;
+ private boolean findUnexplored;
+ private boolean cancelled;
+
+ public StructuresLocateEvent(@NotNull World world, @NotNull Location origin, @NotNull List<Structure> structures, int radius, boolean findUnexplored) {
+ super(world);
+ this.origin = origin;
+ this.setStructures(structures);
+ this.radius = radius;
+ this.findUnexplored = findUnexplored;
+ }
+
+ /**
+ * Gets the {@link Location} from which the search is to be conducted.
+ *
+ * @return {@link Location} where search begins
+ */
+ public @NotNull Location getOrigin() {
+ return this.origin;
+ }
+
+ /**
+ * Gets the {@link Location} and {@link Structure} set as the result, if it was defined.
+ * <p>
+ * Returns {@code null} if it has not been set by {@link StructuresLocateEvent#setResult(Result)}.
+ * Since this event fires <i>before</i> the search is done, the actual result is unknown at this point.
+ *
+ * @return The result location and structure, if it has been set. null if it has not.
+ * @see World#locateNearestStructure(Location, org.bukkit.generator.structure.StructureType, int, boolean)
+ */
+ public @Nullable Result getResult() {
+ return this.result;
+ }
+
+ /**
+ * Sets the result {@link Location} and {@link Structure}. This causes the search to be
+ * skipped, and the result object passed here to be used as the result.
+ *
+ * @param result the {@link Location} and {@link Structure} of the search.
+ */
+ public void setResult(@Nullable Result result) {
+ this.result = result;
+ }
+
+ /**
+ * Gets a mutable list of ConfiguredStructures that are valid targets for the search.
+ *
+ * @return a mutable list of ConfiguredStructures
+ * @deprecated use {@link #getStructures()}
+ */
+ @Deprecated(forRemoval = true)
+ public @NotNull List<ConfiguredStructure> getConfiguredStructures() {
+ return this.legacy$structures;
+ }
+
+ /**
+ * Sets the list of ConfiguredStructures that are valid targets for the search.
+ *
+ * @param configuredStructures a list of ConfiguredStructure targets
+ * @deprecated use {@link #setStructures(List)}
+ */
+ @Deprecated(forRemoval = true)
+ public void setConfiguredStructures(@NotNull List<ConfiguredStructure> configuredStructures) {
+ this.setStructures(configuredStructures.stream().map(ConfiguredStructure::toModern).toList());
+ }
+
+ /**
+ * Gets an unmodifiable list of Structures that are valid targets for the search.
+ *
+ * @return an unmodifiable list of Structures
+ */
+ public @NotNull @UnmodifiableView List<Structure> getStructures() {
+ return Collections.unmodifiableList(this.structures);
+ }
+
+ /**
+ * Sets the list of Structures that are valid targets for the search.
+ *
+ * @param structures a list of Structures targets
+ */
+ public void setStructures(final @NotNull List<Structure> structures) {
+ this.structures = structures;
+ this.legacy$structures = new TransformingRandomAccessList<>(this.structures, ConfiguredStructure::fromModern, ConfiguredStructure::toModern);
+ }
+
+ /**
+ * Gets the search radius in which to attempt locating the structure.
+ * <p>
+ * This radius may not always be obeyed during the structure search!
+ *
+ * @return the search radius (in chunks)
+ */
+ public int getRadius() {
+ return this.radius;
+ }
+
+ /**
+ * Sets the search radius in which to attempt locating the structure.
+ * <p>
+ * This radius may not always be obeyed during the structure search!
+ *
+ * @param radius the search radius (in chunks)
+ */
+ public void setRadius(int radius) {
+ this.radius = radius;
+ }
+
+ /**
+ * Gets whether to search exclusively for unexplored structures.
+ * <p>
+ * As with the search radius, this value is not always obeyed.
+ *
+ * @return Whether to search for only unexplored structures.
+ */
+ public boolean shouldFindUnexplored() {
+ return this.findUnexplored;
+ }
+
+ /**
+ * Sets whether to search exclusively for unexplored structures.
+ * <p>
+ * As with the search radius, this value is not always obeyed.
+ *
+ * @param findUnexplored Whether to search for only unexplored structures.
+ */
+ public void setFindUnexplored(boolean findUnexplored) {
+ this.findUnexplored = findUnexplored;
+ }
+
+ @Override
+ public boolean isCancelled() {
+ return this.cancelled;
+ }
+
+ @Override
+ public void setCancelled(boolean cancel) {
+ this.cancelled = cancel;
+ }
+
+ @Override
+ public @NotNull HandlerList getHandlers() {
+ return HANDLER_LIST;
+ }
+
+ public static @NotNull HandlerList getHandlerList() {
+ return HANDLER_LIST;
+ }
+
+ /**
+ * Result for {@link StructuresLocateEvent}.
+ */
+ public record Result(@NotNull Position pos, @NotNull Structure structure) {
+
+ @Deprecated(forRemoval = true)
+ public Result(final @NotNull Location position, @NotNull ConfiguredStructure configuredStructure) {
+ this(position, configuredStructure.toModern());
+ }
+
+ @Deprecated(forRemoval = true)
+ public @NotNull ConfiguredStructure configuredStructure() {
+ return Objects.requireNonNull(ConfiguredStructure.fromModern(this.structure), "Please use the newer Structure API");
+ }
+
+ @Deprecated(forRemoval = true)
+ public @NotNull Location position() {
+ //noinspection DataFlowIssue
+ return this.pos.toLocation(null);
+ }
+ }
+}
diff --git a/src/main/java/io/papermc/paper/world/structure/ConfiguredStructure.java b/src/main/java/io/papermc/paper/world/structure/ConfiguredStructure.java
new file mode 100644
index 0000000000000000000000000000000000000000..1e7b53f9bc13dcd5a0a4a40004591e4f850496a0
--- /dev/null
+++ b/src/main/java/io/papermc/paper/world/structure/ConfiguredStructure.java
@@ -0,0 +1,113 @@
+package io.papermc.paper.world.structure;
+
+import io.papermc.paper.registry.Reference;
+import java.util.Objects;
+import org.bukkit.Keyed;
+import org.bukkit.NamespacedKey;
+import org.bukkit.Registry;
+import org.bukkit.StructureType;
+import org.bukkit.generator.structure.Structure;
+import org.jetbrains.annotations.ApiStatus;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+/**
+ * Represents a configured structure each with a
+ * {@link StructureType}. Multiple ConfiguredStructures can have
+ * the same {@link StructureType}.
+ * @deprecated use {@link Structure}
+ */
+@Deprecated(forRemoval = true)
+@ApiStatus.ScheduledForRemoval(inVersion = "1.21")
+public final class ConfiguredStructure implements Keyed {
+
+ public static final Reference<ConfiguredStructure> PILLAGER_OUTPOST = create("pillager_outpost");
+ public static final Reference<ConfiguredStructure> MINESHAFT = create("mineshaft");
+ public static final Reference<ConfiguredStructure> MINESHAFT_MESA = create("mineshaft_mesa");
+ public static final Reference<ConfiguredStructure> WOODLAND_MANSION = create("mansion");
+ public static final Reference<ConfiguredStructure> JUNGLE_TEMPLE = create("jungle_pyramid");
+ public static final Reference<ConfiguredStructure> DESERT_PYRAMID = create("desert_pyramid");
+ public static final Reference<ConfiguredStructure> IGLOO = create("igloo");
+ public static final Reference<ConfiguredStructure> SHIPWRECK = create("shipwreck");
+ public static final Reference<ConfiguredStructure> SHIPWRECK_BEACHED = create("shipwreck_beached");
+ public static final Reference<ConfiguredStructure> SWAMP_HUT = create("swamp_hut");
+ public static final Reference<ConfiguredStructure> STRONGHOLD = create("stronghold");
+ public static final Reference<ConfiguredStructure> OCEAN_MONUMENT = create("monument");
+ public static final Reference<ConfiguredStructure> OCEAN_RUIN_COLD = create("ocean_ruin_cold");
+ public static final Reference<ConfiguredStructure> OCEAN_RUIN_WARM = create("ocean_ruin_warm");
+ public static final Reference<ConfiguredStructure> FORTRESS = create("fortress");
+ public static final Reference<ConfiguredStructure> NETHER_FOSSIL = create("nether_fossil");
+ public static final Reference<ConfiguredStructure> END_CITY = create("end_city");
+ public static final Reference<ConfiguredStructure> BURIED_TREASURE = create("buried_treasure");
+ public static final Reference<ConfiguredStructure> BASTION_REMNANT = create("bastion_remnant");
+ public static final Reference<ConfiguredStructure> VILLAGE_PLAINS = create("village_plains");
+ public static final Reference<ConfiguredStructure> VILLAGE_DESERT = create("village_desert");
+ public static final Reference<ConfiguredStructure> VILLAGE_SAVANNA = create("village_savanna");
+ public static final Reference<ConfiguredStructure> VILLAGE_SNOWY = create("village_snowy");
+ public static final Reference<ConfiguredStructure> VILLAGE_TAIGA = create("village_taiga");
+ public static final Reference<ConfiguredStructure> RUINED_PORTAL_STANDARD = create("ruined_portal");
+ public static final Reference<ConfiguredStructure> RUINED_PORTAL_DESERT = create("ruined_portal_desert");
+ public static final Reference<ConfiguredStructure> RUINED_PORTAL_JUNGLE = create("ruined_portal_jungle");
+ public static final Reference<ConfiguredStructure> RUINED_PORTAL_SWAMP = create("ruined_portal_swamp");
+ public static final Reference<ConfiguredStructure> RUINED_PORTAL_MOUNTAIN = create("ruined_portal_mountain");
+ public static final Reference<ConfiguredStructure> RUINED_PORTAL_OCEAN = create("ruined_portal_ocean");
+ public static final Reference<ConfiguredStructure> RUINED_PORTAL_NETHER = create("ruined_portal_nether");
+ // public static final Reference<ConfiguredStructure> ANCIENT_CITY = create("ancient_city"); // TODO remove when upstream adds "jigsaw" StructureType
+
+ private final NamespacedKey key;
+ private final StructureType structureType;
+
+ ConfiguredStructure(@NotNull NamespacedKey key, @NotNull StructureType structureType) {
+ this.key = key;
+ this.structureType = structureType;
+ }
+
+ @Override
+ public @NotNull NamespacedKey getKey() {
+ return this.key;
+ }
+
+ /**
+ * Gets the structure type for this configure structure.
+ *
+ * @return the structure type
+ */
+ public @NotNull StructureType getStructureType() {
+ return this.structureType;
+ }
+
+ @Override
+ public boolean equals(Object o) {
+ if (this == o) return true;
+ if (o == null || getClass() != o.getClass()) return false;
+ ConfiguredStructure structure = (ConfiguredStructure) o;
+ return this.key.equals(structure.key) && this.structureType.equals(structure.structureType);
+ }
+
+ @Override
+ public int hashCode() {
+ return Objects.hash(this.key, this.structureType);
+ }
+
+ @Override
+ public String toString() {
+ return "ConfiguredStructure{" +
+ "key=" + this.key +
+ ", structureType=" + this.structureType +
+ '}';
+ }
+
+ private static @NotNull Reference<ConfiguredStructure> create(@NotNull String name) {
+ return Reference.create(Registry.CONFIGURED_STRUCTURE, NamespacedKey.minecraft(name));
+ }
+
+ @ApiStatus.Internal
+ public @NotNull Structure toModern() {
+ return Objects.requireNonNull(Registry.STRUCTURE.get(this.key));
+ }
+
+ @ApiStatus.Internal
+ public static @Nullable ConfiguredStructure fromModern(@NotNull Structure structure) {
+ return Registry.CONFIGURED_STRUCTURE.get(structure.getKey());
+ }
+}
diff --git a/src/main/java/org/bukkit/Registry.java b/src/main/java/org/bukkit/Registry.java
index 74c81f73649507f21351fc003d00fbeca274d92a..4efda6d0f81ac192890b5003ceebf3d8fd07ea08 100644
--- a/src/main/java/org/bukkit/Registry.java
+++ b/src/main/java/org/bukkit/Registry.java
@@ -248,6 +248,17 @@ public interface Registry<T extends Keyed> extends Iterable<T> {
* @see GameEvent
*/
Registry<GameEvent> GAME_EVENT = Objects.requireNonNull(Bukkit.getRegistry(GameEvent.class), "No registry present for GameEvent. This is a bug.");
+
+ // Paper start
+ /**
+ * Configured structures.
+ * @see io.papermc.paper.world.structure.ConfiguredStructure
+ * @deprecated use {@link #STRUCTURE}
+ */
+ @Deprecated(forRemoval = true)
+ Registry<io.papermc.paper.world.structure.ConfiguredStructure> CONFIGURED_STRUCTURE = Bukkit.getRegistry(io.papermc.paper.world.structure.ConfiguredStructure.class);
+ // Paper end
+
/**
* Get the object by its key.
*
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