Added drag direction mouse interaction for set the approach direction for airstrike and parabombs

OpenRA.Game/Graphics/HardwareCursor.cs

@@ -125,6 +125,8 @@ namespace OpenRA.Graphics
 
 		public void Render(Renderer renderer) { }
 
+		public int Frame { get { return frame; } }
+
 		public void Dispose()
 		{
 			foreach (var cursors in hardwareCursors)

OpenRA.Game/Graphics/SoftwareCursor.cs

@@ -21,6 +21,7 @@ namespace OpenRA.Graphics
 		void Render(Renderer renderer);
 		void SetCursor(string cursor);
 		void Tick();
+		int Frame { get; }
 	}
 
 	public sealed class SoftwareCursor : ICursor
@@ -77,7 +78,7 @@ namespace OpenRA.Graphics
 				return;
 
 			var cursorSequence = cursorProvider.GetCursorSequence(cursorName);
-			var cursorSprite = sprites[cursorName][((int)cursorFrame % cursorSequence.Length)];
+			var cursorSprite = sprites[cursorName][Frame];
 			var cursorSize = CursorProvider.CursorViewportZoomed ? 2.0f * cursorSprite.Size : cursorSprite.Size;
 
 			var cursorOffset = CursorProvider.CursorViewportZoomed ?
@@ -91,6 +92,15 @@ namespace OpenRA.Graphics
 				cursorSize);
 		}
 
+		public int Frame
+		{
+			get
+			{
+				var cursorSequence = cursorProvider.GetCursorSequence(cursorName);
+				return (int)cursorFrame % cursorSequence.Length;
+			}
+		}
+
 		public void Dispose()
 		{
 			palette.Dispose();