Integrating latest 47acbe8

Code/Tools/SceneAPI/SceneData/Behaviors/SkinRuleBehavior.cpp

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+/*
+* All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
+* its licensors.
+*
+* For complete copyright and license terms please see the LICENSE at the root of this
+* distribution (the "License"). All use of this software is governed by the License,
+* or, if provided, by the license below or the license accompanying this file. Do not
+* remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+*
+*/
+
+#include <AzCore/Memory/SystemAllocator.h>
+#include <AzCore/std/smart_ptr/make_shared.h>
+#include <SceneAPI/SceneCore/Containers/Scene.h>
+#include <SceneAPI/SceneCore/Containers/Utilities/SceneGraphUtilities.h>
+#include <SceneAPI/SceneCore/DataTypes/Groups/IMeshGroup.h>
+#include <SceneAPI/SceneCore/DataTypes/GraphData/ISkinWeightData.h>
+#include <SceneAPI/SceneData/Rules/SkinRule.h>
+#include <SceneAPI/SceneData/Behaviors/SkinRuleBehavior.h>
+
+namespace AZ
+{
+    namespace SceneAPI
+    {
+        namespace SceneData
+        {
+            void SkinRuleBehavior::Reflect(AZ::ReflectContext* context)
+            {
+                SkinRule::Reflect(context);
+
+                AZ::SerializeContext* serializeContext = azrtti_cast<AZ::SerializeContext*>(context);
+                if (serializeContext)
+                {
+                    serializeContext->Class<SkinRuleBehavior, SceneCore::BehaviorComponent>()->Version(1);
+                }
+            }
+
+            void SkinRuleBehavior::Activate()
+            {
+                AZ::SceneAPI::Events::ManifestMetaInfoBus::Handler::BusConnect();
+            }
+
+            void SkinRuleBehavior::Deactivate()
+            {
+                AZ::SceneAPI::Events::ManifestMetaInfoBus::Handler::BusDisconnect();
+            }
+
+            void SkinRuleBehavior::InitializeObject([[maybe_unused]] const Containers::Scene& scene, DataTypes::IManifestObject& target)
+            {
+                if (azrtti_istypeof<DataTypes::IMeshGroup>(target))
+                {
+                    DataTypes::IMeshGroup* meshGroup = azrtti_cast<DataTypes::IMeshGroup*>(&target);
+
+                    AZ::SceneAPI::Containers::RuleContainer& rules = meshGroup->GetRuleContainer();
+                    // Only add the skin rule if the scene contain any skinning data.
+                    if (!rules.ContainsRuleOfType<SkinRule>() && Utilities::DoesSceneGraphContainDataLike<DataTypes::ISkinWeightData>(scene, true))
+                    {
+                        rules.AddRule(AZStd::make_shared<SkinRule>());
+                    }
+                }
+            }
+        }
+    }
+}