PaperMC/patches/api/0032-EntityPathfindEvent.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Mon, 28 Mar 2016 21:15:34 -0400
Subject: [PATCH] EntityPathfindEvent

Fires when an Entity decides to start moving to a location.

diff --git a/src/main/java/com/destroystokyo/paper/event/entity/EntityPathfindEvent.java b/src/main/java/com/destroystokyo/paper/event/entity/EntityPathfindEvent.java
new file mode 100644
index 0000000000000000000000000000000000000000..8624e0a528985c9b118f5e8a0f33d3286af2fc36
--- /dev/null
+++ b/src/main/java/com/destroystokyo/paper/event/entity/EntityPathfindEvent.java
@@ -0,0 +1,84 @@
+package com.destroystokyo.paper.event.entity;
+
+import org.bukkit.Location;
+import org.bukkit.entity.Entity;
+import org.bukkit.event.Cancellable;
+import org.bukkit.event.HandlerList;
+import org.bukkit.event.entity.EntityEvent;
+import org.jetbrains.annotations.ApiStatus;
+import org.jspecify.annotations.NullMarked;
+import org.jspecify.annotations.Nullable;
+
+/**
+ * Fired when an Entity decides to start moving towards a location.
+ * <p>
+ * This event does not fire for the entities actual movement. Only when it
+ * is choosing to start moving to a location.
+ */
+@NullMarked
+public class EntityPathfindEvent extends EntityEvent implements Cancellable {
+
+    private static final HandlerList HANDLER_LIST = new HandlerList();
+
+    private final @Nullable Entity targetEntity;
+    private final Location location;
+    private boolean cancelled;
+
+    @ApiStatus.Internal
+    public EntityPathfindEvent(final Entity entity, final Location location, final @Nullable Entity targetEntity) {
+        super(entity);
+        this.targetEntity = targetEntity;
+        this.location = location;
+    }
+
+    /**
+     * The Entity that is pathfinding.
+     *
+     * @return The Entity that is pathfinding.
+     */
+    @Override
+    public Entity getEntity() {
+        return this.entity;
+    }
+
+    /**
+     * If the Entity is trying to pathfind to an entity, this is the entity in relation.
+     * <br>
+     * Otherwise, this will return {@code null}.
+     *
+     * @return The entity target or {@code null}
+     */
+    public @Nullable Entity getTargetEntity() {
+        return this.targetEntity;
+    }
+
+    /**
+     * The Location of where the entity is about to move to.
+     * <br>
+     * Note that if the target happened to of been an entity
+     *
+     * @return Location of where the entity is trying to pathfind to.
+     */
+    public Location getLoc() {
+        return this.location.clone();
+    }
+
+    @Override
+    public boolean isCancelled() {
+        return this.cancelled;
+    }
+
+    @Override
+    public void setCancelled(final boolean cancel) {
+        this.cancelled = cancel;
+    }
+
+    @Override
+    public HandlerList getHandlers() {
+        return HANDLER_LIST;
+    }
+
+    public static HandlerList getHandlerList() {
+        return HANDLER_LIST;
+    }
+}