Paper/patches/api/0247-Add-StructuresLocateEvent.patch

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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");
2022-06-08 21:00:19 +02:00
+ // 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 613cd9c2e91a851c86e339d2be86981b57669311..4331acfc9efd08011e339a1bc0a5190abc197506 100644
--- a/src/main/java/org/bukkit/Registry.java
+++ b/src/main/java/org/bukkit/Registry.java
@@ -262,6 +262,17 @@ 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.
*