Fixed division by zero error when downloading assets

Fixed exporting multiple MMD models

Assets/Scripts/Exporters/ModelExporter.cs

@@ -38,6 +38,7 @@ public class ModelExporter
         writer.Close();
         fileStream.Close();
 
+        ClearBlendShape(container);
         UmaViewerUI.Instance.ShowMessage($"PMX Save at {path}", UIMessageType.Success);
     }
 
@@ -153,6 +154,19 @@ public class ModelExporter
         facial.ChangeMorph();
     }
 
+    private static void ClearBlendShape(UmaContainerCharacter container)
+    {
+        if (!container.FaceDrivenKeyTarget) return;
+        //assuming base meshes do not have any blend shapes
+        foreach (SkinnedMeshRenderer s in container.GetComponentsInChildren<SkinnedMeshRenderer>())
+        {
+            if (s.name.Contains("M_Face") || s.name.Contains("M_Mayu") || s.name.Contains("M_Hair"))
+            {
+                s.sharedMesh.ClearBlendShapes();
+            }
+        }
+    }
+
     private static Morph[] ReadMorph(List<Renderer> renderers)
     {
         List<Morph> morphs = new List<Morph>();

Assets/Scripts/UmaSceneController.cs

@@ -76,7 +76,7 @@ public class UmaSceneController:MonoBehaviour
         {
             LoadingProgressPanel.SetActive(false);
         }
-        else
+        else if (target > 0)
         {
             LoadingProgressPanel.SetActive(true);
             LoadingProgressSlider.value = (float)curren / target;

Assets/Scripts/UmaViewerDownload.cs

@@ -69,7 +69,7 @@ public class UmaViewerDownload : MonoBehaviour
         entries = entries.Where(e => !File.Exists(e.Path)).ToList();
         if (entries.Count == 0) yield break;
         callback?.Invoke(0, entries.Count, "DownLoading");
-        var percent_num = entries.Count / 100;
+        var percent_num = (float)entries.Count / 100;
         for(int i = 0; i < entries.Count; i++)
         {
             var entry = entries[i];