[unity] Added `UpdateTiming` mode `In Late Update` for all animated skeleton components.

CHANGELOG.md

@@ -113,6 +113,7 @@
     If you are using `SkeletonRenderSeparator` and need to enable and disable the `SkeletonRenderSeparator` component at runtime, you can increase the `RenderCombinedMesh` `Reference Renderers` array by one and assign the `SkeletonRenderer` itself at the last entry after the parts renderers. Disabled `MeshRenderer` components will be skipped when combining the final mesh, so the combined mesh is automatically filled from the desired active renderers.
   * Timeline extension package: Added static `EditorEvent` callback to allow editor scripts to react to animation events outside of play-mode. Register to the events via `Spine.Unity.Playables.SpineAnimationStateMixerBehaviour.EditorEvent += YourCallback;`.
   * URP Shaders: Added `Depth Write` property to shaders `Universal Render Pipeline/Spine/Skeleton` and `Universal Render Pipeline/Spine/Skeleton Lit`. Defaults to false to maintain existing behaviour.
+  * Added `Animation Update` mode (called `UpdateTiming` in code) `In Late Update` for `SkeletonAnimation`, `SkeletonMecanim` and `SkeletonGraphic`. This allows you to update the `SkeletonMecanim` skeleton in the same frame that the Mecanim Animator updated its state, which happens between `Update` and `LateUpdate`.
 
 * **Breaking changes**
   * Made `SkeletonGraphic.unscaledTime` parameter protected, use the new property `UnscaledTime` instead.

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

@@ -273,8 +273,12 @@ namespace Spine.Unity {
 		}
 
 		public override void LateUpdate () {
+			if (updateTiming == UpdateTiming.InLateUpdate && valid)
+				Update(unscaledTime ? Time.unscaledDeltaTime : Time.deltaTime);
+
 			// instantiation can happen from Update() after this component, leading to a missing Update() call.
 			if (!wasUpdatedAfterInit) Update(0);
+
 			base.LateUpdate();
 		}
 

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

@@ -415,6 +415,9 @@ namespace Spine.Unity {
 			if (freeze) return;
 			if (updateMode != UpdateMode.FullUpdate) return;
 
+			if (updateTiming == UpdateTiming.InLateUpdate)
+				Update(unscaledTime ? Time.unscaledDeltaTime : Time.deltaTime);
+
 			PrepareInstructionsAndRenderers();
 
 			SetVerticesDirty(); // triggers Rebuild and avoids potential double-update in a single frame

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

@@ -167,6 +167,8 @@ namespace Spine.Unity {
 		}
 
 		public override void LateUpdate () {
+			if (updateTiming == UpdateTiming.InLateUpdate && valid)
+				UpdateAnimation();
 			// instantiation can happen from Update() after this component, leading to a missing Update() call.
 			if (!wasUpdatedAfterInit) Update();
 			base.LateUpdate();

spine-unity/Assets/Spine/Runtime/spine-unity/ISkeletonAnimation.cs

@@ -40,7 +40,8 @@ namespace Spine.Unity {
 	public enum UpdateTiming {
 		ManualUpdate = 0,
 		InUpdate,
-		InFixedUpdate
+		InFixedUpdate,
+		InLateUpdate
 	}
 
 	public delegate void ISkeletonAnimationDelegate (ISkeletonAnimation animated);

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": "4.1.26",
+	"version": "4.1.27",
 	"unity": "2018.3",
 	"author": {
 		"name": "Esoteric Software",