From 54068d9d12a1d31959b0259eea04a4831b72a30d Mon Sep 17 00:00:00 2001
From: Davide Tantillo <iamdjj@gmail.com>
Date: Wed, 15 Oct 2025 09:21:11 +0200
Subject: [PATCH] [haxe] Port of 139fd84 and 20d5ee6: Add support to skeletons
 exported with per-skin atlases.

---
 spine-haxe/spine-haxe/spine/SkeletonBinary.hx      |  4 ++--
 .../spine/attachments/AtlasAttachmentLoader.hx     | 14 ++++++++------
 2 files changed, 10 insertions(+), 8 deletions(-)

diff --git a/spine-haxe/spine-haxe/spine/SkeletonBinary.hx b/spine-haxe/spine-haxe/spine/SkeletonBinary.hx
index 3e0acc648..f92b5d829 100644
--- a/spine-haxe/spine-haxe/spine/SkeletonBinary.hx
+++ b/spine-haxe/spine-haxe/spine/SkeletonBinary.hx
@@ -598,7 +598,7 @@ class SkeletonBinary {
 				region.height = height * scale;
 				region.color.setFromRgba8888(color);
 				region.sequence = sequence;
-				if (sequence == null)
+				if (region.region == null)
 					region.updateRegion();
 				return region;
 			case AttachmentType.boundingbox:
@@ -643,7 +643,7 @@ class SkeletonBinary {
 				mesh.worldVerticesLength = vertices.length;
 				mesh.triangles = triangles;
 				mesh.regionUVs = uvs;
-				if (sequence == null)
+				if (mesh.region == null)
 					mesh.updateRegion();
 				mesh.hullLength = hullLength << 1;
 				mesh.sequence = sequence;
diff --git a/spine-haxe/spine-haxe/spine/attachments/AtlasAttachmentLoader.hx b/spine-haxe/spine-haxe/spine/attachments/AtlasAttachmentLoader.hx
index 047c37924..1bcb058d1 100644
--- a/spine-haxe/spine-haxe/spine/attachments/AtlasAttachmentLoader.hx
+++ b/spine-haxe/spine-haxe/spine/attachments/AtlasAttachmentLoader.hx
@@ -40,21 +40,23 @@ import spine.Skin;
 class AtlasAttachmentLoader implements AttachmentLoader {
 	private var atlas:TextureAtlas;
 
-	public function new(atlas:TextureAtlas) {
+	public var allowMissingRegions:Bool;
+
+	public function new(atlas:TextureAtlas, allowMissingRegions = false) {
 		if (atlas == null) {
 			throw new SpineException("atlas cannot be null.");
 		}
 		this.atlas = atlas;
+		this.allowMissingRegions = allowMissingRegions;
 	}
 
 	private function loadSequence(name:String, basePath:String, sequence:Sequence) {
 		var regions = sequence.regions;
 		for (i in 0...regions.length) {
 			var path = sequence.getPath(basePath, i);
-			var region = this.atlas.findRegion(path);
-			if (region == null)
+			regions[i] = this.atlas.findRegion(path);
+			if (regions[i] == null)
 				throw new SpineException("Region not found in atlas: " + path + " (sequence: " + name + ")");
-			regions[i] = region;
 		}
 	}
 
@@ -67,7 +69,7 @@ class AtlasAttachmentLoader implements AttachmentLoader {
 			this.loadSequence(name, path, sequence);
 		} else {
 			var region = this.atlas.findRegion(path);
-			if (region == null)
+			if (region == null && !this.allowMissingRegions)
 				throw new SpineException("Region not found in atlas: " + path + " (region attachment: " + name + ")");
 			attachment.region = region;
 		}
@@ -83,7 +85,7 @@ class AtlasAttachmentLoader implements AttachmentLoader {
 			this.loadSequence(name, path, sequence);
 		} else {
 			var region = atlas.findRegion(path);
-			if (region == null)
+			if (region == null && !this.allowMissingRegions)
 				throw new SpineException("Region not found in atlas: " + path + " (mesh attachment: " + name + ")");
 			attachment.region = region;
 		}