NPC derives position from slot.

src/engine/gameManager/BuildingManager.java

@@ -523,6 +523,12 @@ public enum BuildingManager {
             mob.setParentZone(zone);
             return true;
         }
+
+        // NPC in a Building derives position from slot
+
+        if (building != null)
+            NpcLoc = Vector3fImmutable.ZERO;
+
         npc = NPC.createNPC(pirateName, contract.getObjectUUID(), NpcLoc, contractOwner.getGuild(), false, zone, (short) rank, false, building);
 
         if (npc == null)

src/engine/objects/NPC.java

@@ -387,7 +387,7 @@ public class NPC extends AbstractCharacter {
 
 			// Configure region and floor/level for this NPC
 
-			this.region = BuildingManager.GetRegion(this.building, slotLocation.x, slotLocation.y, slotLocation.z);
+			this.region = BuildingManager.GetRegion(this.building, bindLoc.x, bindLoc.y, bindLoc.z);
 
 			if (this.region != null) {
 				this.buildingFloor = region.getRoom();