Creates some new methods to get a location from a relative location which I can actually understand

src/main/java/net/knarcraft/stargate/container/BlockLocation.java

@@ -1,5 +1,6 @@
 package net.knarcraft.stargate.container;
 
+import net.knarcraft.stargate.utility.DirectionHelper;
 import org.bukkit.Location;
 import org.bukkit.Material;
 import org.bukkit.World;
@@ -8,6 +9,7 @@ import org.bukkit.block.BlockFace;
 import org.bukkit.block.data.BlockData;
 import org.bukkit.block.data.type.Sign;
 import org.bukkit.block.data.type.WallSign;
+import org.bukkit.util.Vector;
 
 /**
  * This class represents a block location
@@ -81,6 +83,19 @@ public class BlockLocation extends Location {
         return newLocation.add(x, y, z);
     }
 
+    /**
+     * Gets a location relative to this block location
+     *
+     * @param vector <p>The relative block vector describing the relative location</p>
+     * @param yaw    <p>The yaw pointing in the distance direction</p>
+     * @return <p>A location relative to this location</p>
+     */
+    public BlockLocation getRelativeLocation(RelativeBlockVector vector, double yaw) {
+        Vector combined = DirectionHelper.getCoordinateVectorFromRelativeVector(vector.getRight(), vector.getDepth(),
+                vector.getDistance(), yaw);
+        return makeRelative(combined.getBlockX(), combined.getBlockY(), combined.getBlockZ());
+    }
+
     /**
      * Makes a block location relative to the current origin according to given parameters
      *