cleanup and refactoring

raytracer/nvpro_core/nvvkhl/gltf_scene.hpp

@@ -0,0 +1,62 @@
+/*
+ * Copyright (c) 2022, NVIDIA CORPORATION.  All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * SPDX-FileCopyrightText: Copyright (c) 2014-2022 NVIDIA CORPORATION
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#pragma once
+#include <string>
+#include "nvh/gltfscene.hpp"
+
+/** @DOC_START
+# class nvvkhl::Scene
+
+>  This class is responsible for loading and managing a glTF scene. 
+
+It is using the `nvh::GltfScene` to load and manage the scene and `tinygltf` to parse the glTF file.
+
+@DOC_END */
+
+namespace nvvkhl {
+
+class Scene
+{
+public:
+  // Loading .gltf or .glb, `request` attribute and `force` to create if not present
+  void load(const std::string& filename,
+            nvh::GltfAttributes requested = nvh::GltfAttributes::Normal | nvh::GltfAttributes::Texcoord_0 | nvh::GltfAttributes::Tangent,
+            nvh::GltfAttributes forced = nvh::GltfAttributes::Normal | nvh::GltfAttributes::Texcoord_0 | nvh::GltfAttributes::Tangent);
+
+  // Getters
+  const nvh::GltfScene&  scene() const { return m_scene; }
+  const tinygltf::Model& model() const { return m_model; }
+  nvh::GltfScene&        scene() { return m_scene; }
+  tinygltf::Model&       model() { return m_model; }
+  bool                   valid() const { return !m_scene.m_nodes.empty(); }
+  const std::string&     filename() const { return m_filename; }
+
+  // Clearing loaded model
+  void clearModel() { m_model = {}; }
+
+  void destroy();
+
+private:
+  nvh::GltfScene  m_scene;
+  tinygltf::Model m_model;
+  std::string     m_filename;
+};
+
+}  // namespace nvvkhl