From 82398c9e4afd78705fc7d325811865fc13522765 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Wed, 25 Jul 2018 01:36:07 -0400
Subject: [PATCH] Expand Location Manipulation API

Adds set(x, y, z), add(base, x, y, z), subtract(base, x, y, z);

diff --git a/src/main/java/org/bukkit/Location.java b/src/main/java/org/bukkit/Location.java
index e57e22a21..84b7d93cf 100644
--- a/src/main/java/org/bukkit/Location.java
+++ b/src/main/java/org/bukkit/Location.java
@@ -519,6 +519,54 @@ public class Location implements Cloneable, ConfigurationSerializable {
     public boolean isChunkLoaded() { return world.isChunkLoaded(locToBlock(x) >> 4, locToBlock(z) >> 4); } // Paper
 
     // Paper start
+
+    /**
+     * Sets the position of this Location and returns itself
+     *
+     * This mutates this object, clone first.
+     * @param x X coordinate
+     * @param y Y coordinate
+     * @param z Z coordinate
+     * @return self (not cloned)
+     */
+    @NotNull
+    public Location set(double x, double y, double z) {
+        this.x = x;
+        this.y = y;
+        this.z = z;
+        return this;
+    }
+
+    /**
+     * Takes the x/y/z from base and adds the specified x/y/z to it and returns self
+     *
+     * This mutates this object, clone first.
+     * @param base The base coordinate to modify
+     * @param x X coordinate to add to base
+     * @param y Y coordinate to add to base
+     * @param z Z coordinate to add to base
+     * @return self (not cloned)
+     */
+    @NotNull
+    public Location add(@NotNull Location base, double x, double y, double z) {
+        return this.set(base.x + x, base.y + y, base.z + z);
+    }
+
+    /**
+     * Takes the x/y/z from base and subtracts the specified x/y/z to it and returns self
+     *
+     * This mutates this object, clone first.
+     * @param base The base coordinate to modify
+     * @param x X coordinate to subtract from base
+     * @param y Y coordinate to subtract from base
+     * @param z Z coordinate to subtract from base
+     * @return self (not cloned)
+     */
+    @NotNull
+    public Location subtract(@NotNull Location base, double x, double y, double z) {
+        return this.set(base.x - x, base.y - y, base.z - z);
+    }
+
     /**
      * @return A new location where X/Y/Z are on the Block location (integer value of X/Y/Z)
      */
-- 
2.21.0