PaperMC/patches/api/0156-Add-LivingEntity-getTargetEntity.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: BillyGalbreath <Blake.Galbreath@GMail.com>
Date: Sat, 22 Sep 2018 00:32:53 -0500
Subject: [PATCH] Add LivingEntity#getTargetEntity


diff --git a/src/main/java/com/destroystokyo/paper/entity/TargetEntityInfo.java b/src/main/java/com/destroystokyo/paper/entity/TargetEntityInfo.java
new file mode 100644
index 0000000000000000000000000000000000000000..af8765b213390cf75fe02a6eb68aecf7a06d5acf
--- /dev/null
+++ b/src/main/java/com/destroystokyo/paper/entity/TargetEntityInfo.java
@@ -0,0 +1,40 @@
+package com.destroystokyo.paper.entity;
+
+import org.bukkit.entity.Entity;
+import org.bukkit.util.Vector;
+import org.jetbrains.annotations.NotNull;
+
+/**
+ * Represents information about a targeted entity
+ * @deprecated use {@link org.bukkit.util.RayTraceResult}
+ */
+@Deprecated(forRemoval = true)
+public class TargetEntityInfo {
+    private final Entity entity;
+    private final Vector hitVec;
+
+    public TargetEntityInfo(@NotNull Entity entity, @NotNull Vector hitVec) {
+        this.entity = entity;
+        this.hitVec = hitVec;
+    }
+
+    /**
+     * Get the entity that is targeted
+     *
+     * @return Targeted entity
+     */
+    @NotNull
+    public Entity getEntity() {
+        return entity;
+    }
+
+    /**
+     * Get the position the entity is targeted at
+     *
+     * @return Targeted position
+     */
+    @NotNull
+    public Vector getHitVector() {
+        return hitVec;
+    }
+}
diff --git a/src/main/java/org/bukkit/entity/LivingEntity.java b/src/main/java/org/bukkit/entity/LivingEntity.java
index 8a18f269ee1767d57367160cb0e3513a4e2969fb..79fdb183887cb8153254f6ac84a981a7ffcb561c 100644
--- a/src/main/java/org/bukkit/entity/LivingEntity.java
+++ b/src/main/java/org/bukkit/entity/LivingEntity.java
@@ -173,6 +173,77 @@ public interface LivingEntity extends Attributable, Damageable, ProjectileSource
     @Deprecated(forRemoval = true)
     @Nullable
     public com.destroystokyo.paper.block.TargetBlockInfo getTargetBlockInfo(int maxDistance, @NotNull com.destroystokyo.paper.block.TargetBlockInfo.FluidMode fluidMode);
+
+    /**
+     * Gets information about the entity being targeted
+     *
+     * @param maxDistance this is the maximum distance to scan
+     * @return entity being targeted, or null if no entity is targeted
+     */
+    @Nullable
+    public default Entity getTargetEntity(int maxDistance) {
+        return getTargetEntity(maxDistance, false);
+    }
+
+    /**
+     * Gets information about the entity being targeted
+     *
+     * @param maxDistance this is the maximum distance to scan
+     * @param ignoreBlocks true to scan through blocks
+     * @return entity being targeted, or null if no entity is targeted
+     */
+    @Nullable
+    public Entity getTargetEntity(int maxDistance, boolean ignoreBlocks);
+
+    /**
+     * Gets information about the entity being targeted
+     *
+     * @param maxDistance this is the maximum distance to scan
+     * @return TargetEntityInfo about the entity being targeted,
+     *     or null if no entity is targeted
+     * @deprecated use {@link #rayTraceEntities(int)}
+     */
+    @Deprecated(forRemoval = true)
+    @Nullable
+    public default com.destroystokyo.paper.entity.TargetEntityInfo getTargetEntityInfo(int maxDistance) {
+        return getTargetEntityInfo(maxDistance, false);
+    }
+
+    /**
+     * Gets information about the entity being targeted
+     *
+     * @param maxDistance this is the maximum distance to scan
+     * @return RayTraceResult about the entity being targeted,
+     *     or null if no entity is targeted
+     */
+    @Nullable
+    default RayTraceResult rayTraceEntities(int maxDistance) {
+        return this.rayTraceEntities(maxDistance, false);
+    }
+
+    /**
+     * Gets information about the entity being targeted
+     *
+     * @param maxDistance this is the maximum distance to scan
+     * @param ignoreBlocks true to scan through blocks
+     * @return TargetEntityInfo about the entity being targeted,
+     *     or null if no entity is targeted
+     * @deprecated use {@link #rayTraceEntities(int, boolean)}
+     */
+    @Deprecated(forRemoval = true)
+    @Nullable
+    public com.destroystokyo.paper.entity.TargetEntityInfo getTargetEntityInfo(int maxDistance, boolean ignoreBlocks);
+
+    /**
+     * Gets information about the entity being targeted
+     *
+     * @param maxDistance this is the maximum distance to scan
+     * @param ignoreBlocks true to scan through blocks
+     * @return RayTraceResult about the entity being targeted,
+     *     or null if no entity is targeted
+     */
+    @Nullable
+    RayTraceResult rayTraceEntities(int maxDistance, boolean ignoreBlocks);
     // Paper end
 
     /**