add zoom-adjusted mouse position to mouse-changed event arguments (#129)

2 files changed, 19 insertions, 5 deletions

diff --git a/src/StardewModdingAPI/Events/ControlEvents.cs b/src/StardewModdingAPI/Events/ControlEvents.cs
index 8fb9061d..1b1e0b78 100644
--- a/src/StardewModdingAPI/Events/ControlEvents.cs
+++ b/src/StardewModdingAPI/Events/ControlEvents.cs
@@ -49,9 +49,11 @@ namespace StardewModdingAPI.Events
         /// <summary>Raise a <see cref="MouseChanged"/> event.</summary>
         /// <param name="priorState">The previous mouse state.</param>
         /// <param name="newState">The current mouse state.</param>
-        internal static void InvokeMouseChanged(MouseState priorState, MouseState newState)
+        /// <param name="priorPosition">The previous mouse position on the screen adjusted for the zoom level.</param>
+        /// <param name="newPosition">The current mouse position on the screen adjusted for the zoom level.</param>
+        internal static void InvokeMouseChanged(MouseState priorState, MouseState newState, Point priorPosition, Point newPosition)
         {
-            ControlEvents.MouseChanged.Invoke(null, new EventArgsMouseStateChanged(priorState, newState));
+            ControlEvents.MouseChanged.Invoke(null, new EventArgsMouseStateChanged(priorState, newState, priorPosition, newPosition));
         }
 
         /// <summary>Raise a <see cref="KeyPressed"/> event.</summary>
diff --git a/src/StardewModdingAPI/Events/EventArgsMouseStateChanged.cs b/src/StardewModdingAPI/Events/EventArgsMouseStateChanged.cs
index 9117a0c2..0997ad18 100644
--- a/src/StardewModdingAPI/Events/EventArgsMouseStateChanged.cs
+++ b/src/StardewModdingAPI/Events/EventArgsMouseStateChanged.cs
@@ -1,5 +1,7 @@
 using System;
+using Microsoft.Xna.Framework;
 using Microsoft.Xna.Framework.Input;
+using StardewValley;
 
 namespace StardewModdingAPI.Events
 {
@@ -10,10 +12,16 @@ namespace StardewModdingAPI.Events
         ** Accessors
         *********/
         /// <summary>The previous mouse state.</summary>
-        public MouseState NewState { get; private set; }
+        public MouseState PriorState { get; private set; }
 
         /// <summary>The current mouse state.</summary>
-        public MouseState PriorState { get; private set; }
+        public MouseState NewState { get; private set; }
+
+        /// <summary>The previous mouse position on the screen adjusted for the zoom level.</summary>
+        public Point PriorPosition { get; private set; }
+
+        /// <summary>The current mouse position on the screen adjusted for the zoom level.</summary>
+        public Point NewPosition { get; private set; }
 
 
         /*********
@@ -22,10 +30,14 @@ namespace StardewModdingAPI.Events
         /// <summary>Construct an instance.</summary>
         /// <param name="priorState">The previous mouse state.</param>
         /// <param name="newState">The current mouse state.</param>
-        public EventArgsMouseStateChanged(MouseState priorState, MouseState newState)
+        /// <param name="priorPosition">The previous mouse position on the screen adjusted for the zoom level.</param>
+        /// <param name="newPosition">The current mouse position on the screen adjusted for the zoom level.</param>
+        public EventArgsMouseStateChanged(MouseState priorState, MouseState newState, Point priorPosition, Point newPosition)
         {
             this.PriorState = priorState;
             this.NewState = newState;
+            this.PriorPosition = priorPosition;
+            this.NewPosition = newPosition;
         }
     }
 }