Added in a location pre-condition for the event.

GeneralMods/HappyBirthday/Framework/Events/Preconditions/LocationPrecondition.cs

@@ -0,0 +1,43 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using StardewValley;
+
+namespace Omegasis.HappyBirthday.Framework.Events.Preconditions
+{
+    public class LocationPrecondition:EventPrecondition
+    {
+        private string locationName;
+        private GameLocation location;
+
+
+        public LocationPrecondition()
+        {
+
+        }
+
+        public LocationPrecondition(GameLocation Location)
+        {
+            this.locationName = Location.NameOrUniqueName;
+            this.location = Location;
+        }
+
+        /// <summary>
+        /// Constructor.
+        /// </summary>
+        /// <param name="Location">The name of the location.</param>
+        /// <param name="IsStructure">The location is a building on the farm.</param>
+        public LocationPrecondition(string Location, bool IsStructure=false)
+        {
+            this.locationName = Location;
+            this.location = Game1.getLocationFromName(Location,IsStructure);
+        }
+
+        public override bool meetsCondition()
+        {
+            return Game1.player.currentLocation == this.location;
+        }
+    }
+}