[unity] Default loop preference for editor instantiation.

spine-unity/Assets/Spine/Editor/spine-unity/Editor/SpineEditorUtilities.cs

@@ -244,6 +244,10 @@ namespace Spine.Unity.Editor {
 			const string DEFAULT_ZSPACING_KEY = "SPINE_DEFAULT_ZSPACING";
 			public static float defaultZSpacing = DEFAULT_DEFAULT_ZSPACING;
 
+			const bool DEFAULT_DEFAULT_INSTANTIATE_LOOP = true;
+			const string DEFAULT_INSTANTIATE_LOOP_KEY = "SPINE_DEFAULT_INSTANTIATE_LOOP";
+			public static bool defaultInstantiateLoop = DEFAULT_DEFAULT_INSTANTIATE_LOOP;
+
 			const bool DEFAULT_SHOW_HIERARCHY_ICONS = true;
 			const string SHOW_HIERARCHY_ICONS_KEY = "SPINE_SHOW_HIERARCHY_ICONS";
 			public static bool showHierarchyIcons = DEFAULT_SHOW_HIERARCHY_ICONS;
@@ -327,6 +331,11 @@ namespace Spine.Unity.Editor {
 				if (EditorGUI.EndChangeCheck())
 					EditorPrefs.SetFloat(DEFAULT_ZSPACING_KEY, defaultZSpacing);
 
+				EditorGUI.BeginChangeCheck();
+				defaultInstantiateLoop = EditorGUILayout.Toggle(new GUIContent("Default Loop", "Spawn Spine GameObjects with loop enabled."), defaultInstantiateLoop);
+				if (EditorGUI.EndChangeCheck())
+					EditorPrefs.SetBool(DEFAULT_INSTANTIATE_LOOP_KEY, defaultInstantiateLoop);
+
 				EditorGUILayout.Space();
 				EditorGUILayout.LabelField("Handles and Gizmos", EditorStyles.boldLabel);
 				EditorGUI.BeginChangeCheck();
@@ -1246,6 +1255,7 @@ namespace Spine.Unity.Editor {
 					throw e;
 				}
 
+				newSkeletonAnimation.loop = SpineEditorUtilities.Preferences.defaultInstantiateLoop;
 				newSkeletonAnimation.skeleton.Update(0);
 				newSkeletonAnimation.state.Update(0);
 				newSkeletonAnimation.state.Apply(newSkeletonAnimation.skeleton);

spine-unity/Assets/Spine/Editor/spine-unity/Modules/SkeletonGraphic/Editor/SkeletonGraphicInspector.cs

@@ -195,6 +195,7 @@ namespace Spine.Unity.Editor {
 			skin = skin ?? data.DefaultSkin ?? data.Skins.Items[0];
 			graphic.MeshGenerator.settings.zSpacing = SpineEditorUtilities.Preferences.defaultZSpacing;
 
+			graphic.startingLoop = SpineEditorUtilities.Preferences.defaultInstantiateLoop;
 			graphic.Initialize(false);
 			if (skin != null) graphic.Skeleton.SetSkin(skin);
 			graphic.initialSkinName = skin.Name;