From dae00a2b1b56c7baa69ce89827d88d39480f10bd Mon Sep 17 00:00:00 2001
From: Harald Csaszar <harald.csaszar@pixelcloudgames.com>
Date: Tue, 15 Jul 2025 18:45:51 +0200
Subject: [PATCH] [csharp] Port of commit a012479: Still compute
 RegionAttachment offsets when the region is null. Closes #2887.

---
 .../src/Attachments/RegionAttachment.cs       | 25 ++++++++-----------
 1 file changed, 11 insertions(+), 14 deletions(-)

diff --git a/spine-csharp/src/Attachments/RegionAttachment.cs b/spine-csharp/src/Attachments/RegionAttachment.cs
index 125f992ab..b46dda9a4 100644
--- a/spine-csharp/src/Attachments/RegionAttachment.cs
+++ b/spine-csharp/src/Attachments/RegionAttachment.cs
@@ -109,19 +109,6 @@ namespace Spine {
 		/// <summary>Calculates the <see cref="Offset"/> and <see cref="UVs"/> using the region and the attachment's transform. Must be called if the
 		/// region, the region's properties, or the transform are changed.</summary>
 		public void UpdateRegion () {
-			float[] uvs = this.uvs;
-			if (region == null) {
-				uvs[BLX] = 0;
-				uvs[BLY] = 0;
-				uvs[ULX] = 0;
-				uvs[ULY] = 1;
-				uvs[URX] = 1;
-				uvs[URY] = 1;
-				uvs[BRX] = 1;
-				uvs[BRY] = 0;
-				return;
-			}
-
 			float width = Width, height = Height;
 			float localX2 = width / 2;
 			float localY2 = height / 2;
@@ -166,7 +153,17 @@ namespace Spine {
 			offset[BRX] = localX2Cos - localYSin;
 			offset[BRY] = localYCos + localX2Sin;
 
-			if (rotated) {
+			float[] uvs = this.uvs;
+			if (region == null) {
+				uvs[BLX] = 0;
+				uvs[BLY] = 0;
+				uvs[ULX] = 0;
+				uvs[ULY] = 1;
+				uvs[URX] = 1;
+				uvs[URY] = 1;
+				uvs[BRX] = 1;
+				uvs[BRY] = 0;
+			} else if (rotated) {
 				uvs[BLX] = region.u2;
 				uvs[BLY] = region.v;
 				uvs[ULX] = region.u2;