Merge branch 'master' into fix/vrm10_lookat_initialization

Assets/VRM10/Runtime/Components/Vrm10Instance/Vrm10Instance.cs

@@ -119,9 +119,16 @@ internal Vrm10Runtime MakeRuntime(bool useControlRig)
         {
             if (m_springBoneRuntime == null)
             {
-                // deafult に fallback
-                // TODO: scene に配置した prefab に SpringRuntime をカスタムする手段
-                m_springBoneRuntime = new Vrm10FastSpringboneRuntime();
+                var provider = GetComponent<IVrm10SpringBoneRuntimeProvider>();
+                if (provider != null)
+                {
+                    m_springBoneRuntime = provider.CreateSpringBoneRuntime();
+                }
+                else
+                {
+                    // deafult に fallback
+                    m_springBoneRuntime = new Vrm10FastSpringboneRuntime();
+                }
                 m_springBoneRuntime.InitializeAsync(this, new ImmediateCaller());
             }
             return new Vrm10Runtime(this, useControlRig, m_springBoneRuntime);

Assets/VRM10/Runtime/Components/Vrm10Runtime/Vrm10FastSpringboneRuntimeProvider.cs

@@ -0,0 +1,12 @@
+using UnityEngine;
+
+namespace UniVRM10
+{
+    public class Vrm10FastSpringboneRuntimeProvider : MonoBehaviour, IVrm10SpringBoneRuntimeProvider
+    {
+        public IVrm10SpringBoneRuntime CreateSpringBoneRuntime()
+        {
+            return new Vrm10FastSpringboneRuntime();
+        }
+    }
+}

Assets/VRM10/Runtime/Components/Vrm10Runtime/Vrm10FastSpringboneRuntimeStandaloneProvider.cs

@@ -0,0 +1,12 @@
+using UnityEngine;
+
+namespace UniVRM10
+{
+    public class Vrm10FastSpringboneRuntimeStandaloneProvider : MonoBehaviour, IVrm10SpringBoneRuntimeProvider
+    {
+        public IVrm10SpringBoneRuntime CreateSpringBoneRuntime()
+        {
+            return new Vrm10FastSpringboneRuntimeStandalone();
+        }
+    }
+}

Assets/VRM10/Runtime/IO/IVrm10SpringBoneRuntimeProvider.cs

@@ -0,0 +1,11 @@
+namespace UniVRM10
+{
+    /// <summary>
+    /// This is an interface to customize springboneruntime of VRM-1.0 placed in the scene.
+    /// see Vrm10Instance.MakeRuntime.
+    /// </summary>
+    public interface IVrm10SpringBoneRuntimeProvider
+    {
+        IVrm10SpringBoneRuntime CreateSpringBoneRuntime();
+    }
+}