[unity] Improved error message when SkeletonDataAsset has 0 atlas and HiddenPass shader not included. Closes #2544. Also fixed `quiet` param unused at GetSkeletonData call.

spine-unity/Assets/Spine/Runtime/spine-unity/Asset Types/RegionlessAttachmentLoader.cs

@@ -38,11 +38,17 @@ namespace Spine.Unity {
 		static AtlasRegion EmptyRegion {
 			get {
 				if (emptyRegion == null) {
+					Shader hiddenShader = Shader.Find("Spine/Special/HiddenPass");
+					if (hiddenShader == null) {
+						Debug.LogError("Shader \"Spine/Special/HiddenPass\" not found while loading SkeletonDataAsset" +
+							" with 0 Atlas Assets. Please add this shader to Project Settings - Graphics - Always" +
+							" Included Shaders, or make sure your SkeletonDataAssets all have an AtlasAsset assigned.");
+					}
 					emptyRegion = new AtlasRegion {
 						name = "Empty AtlasRegion",
 						page = new AtlasPage {
 							name = "Empty AtlasPage",
-							rendererObject = new Material(Shader.Find("Spine/Special/HiddenPass")) { name = "NoRender Material" }
+							rendererObject = new Material(hiddenShader) { name = "NoRender Material" }
 						}
 					};
 				}

spine-unity/Assets/Spine/Runtime/spine-unity/Components/SkeletonRenderer.cs

@@ -473,7 +473,7 @@ namespace Spine.Unity {
 			if (skeletonDataAsset == null)
 				return;
 
-			SkeletonData skeletonData = skeletonDataAsset.GetSkeletonData(false);
+			SkeletonData skeletonData = skeletonDataAsset.GetSkeletonData(quiet);
 			if (skeletonData == null) return;
 			valid = true;
 

spine-unity/Assets/Spine/package.json

@@ -2,7 +2,7 @@
 	"name": "com.esotericsoftware.spine.spine-unity",
 	"displayName": "spine-unity Runtime",
 	"description": "This plugin provides the spine-unity runtime core.",
-	"version": "4.2.68",
+	"version": "4.2.69",
 	"unity": "2018.3",
 	"author": {
 		"name": "Esoteric Software",