add _modelJustLoaded and updateTransforForSkinnedMesh on creation

libraries/entities-renderer/src/RenderableModelEntityItem.cpp

@@ -1032,6 +1032,10 @@ bool ModelEntityRenderer::needsUpdate() const {
         model = _model;
     });
 
+    if (_modelJustLoaded) {
+        return true;
+    }
+
     if (model) {
         if (_needsJointSimulation || _moving || _animating) {
             return true;
@@ -1148,9 +1152,11 @@ void ModelEntityRenderer::doUpdateTyped(const ScenePointer& scene, Transaction&
         return;
     }
 
+    _modelJustLoaded = false;
     // Check for addition
     if (_hasModel && !(bool)_model) {
         model = std::make_shared<Model>(nullptr, entity.get());
+        connect(model.get(), &Model::setURLFinished, this, &ModelEntityRenderer::handleModelLoaded);
         model->setLoadingPriority(EntityTreeRenderer::getEntityLoadingPriority(*entity));
         model->init();
         entity->setModel(model);
@@ -1241,6 +1247,12 @@ void ModelEntityRenderer::doUpdateTyped(const ScenePointer& scene, Transaction&
     }
 }
 
+void ModelEntityRenderer::handleModelLoaded(bool success) {
+    if (success) {
+        _modelJustLoaded = true;
+    }
+}
+
 // NOTE: this only renders the "meta" portion of the Model, namely it renders debugging items
 void ModelEntityRenderer::doRender(RenderArgs* args) {
     PROFILE_RANGE(render_detail, "MetaModelRender");

libraries/entities-renderer/src/RenderableModelEntityItem.h

@@ -151,6 +151,7 @@ private:
     // Transparency is handled in ModelMeshPartPayload
     virtual bool isTransparent() const override { return false; }
 
+    bool _modelJustLoaded { false };
     bool _hasModel { false };
     ::ModelPointer _model;
     GeometryResource::Pointer _compoundShapeResource;
@@ -178,6 +179,9 @@ private:
     bool _animating { false };
     uint64_t _lastAnimated { 0 };
     float _currentFrame { 0 };
+
+private slots:
+    void handleModelLoaded(bool success);
 };
 
 } } // namespace 

libraries/render-utils/src/MeshPartPayload.cpp

@@ -328,10 +328,18 @@ ModelMeshPartPayload::ModelMeshPartPayload(ModelPointer model, int meshIndex, in
     assert(model && model->isLoaded());
     _model = model;
     auto& modelMesh = model->getGeometry()->getMeshes().at(_meshIndex);
+    const Model::MeshState& state = model->getMeshState(_meshIndex);
 
     updateMeshPart(modelMesh, partIndex);
+    computeAdjustedLocalBound(state.clusterMatrices);
 
     updateTransform(transform, offsetTransform);
+    Transform renderTransform = transform;
+    if (state.clusterMatrices.size() == 1) {
+        renderTransform = transform.worldTransform(Transform(state.clusterMatrices[0]));
+    }
+    updateTransformForSkinnedMesh(renderTransform, transform, state.clusterBuffer);
+
     initCache();
 }
 

libraries/render-utils/src/Model.cpp

@@ -1265,7 +1265,6 @@ void Model::createVisibleRenderItemSet() {
             shapeID++;
         }
     }
-    computeMeshPartLocalBounds();
 }
 
 void Model::createCollisionRenderItemSet() {