1 /*
2  * Copyright (c) 2024 Huawei Device Co., Ltd.
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  *     http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 #ifndef SCENEPLUGIN_MESH_ARRAYS_H
16 #define SCENEPLUGIN_MESH_ARRAYS_H
17 
18 SCENE_BEGIN_NAMESPACE()
19 template<typename IndexType>
20 struct MeshGeometry {
21     using Ptr = BASE_NS::shared_ptr<MeshGeometry<IndexType>>;
22     using WeakPtr = BASE_NS::weak_ptr<MeshGeometry<IndexType>>;
23     BASE_NS::vector<BASE_NS::Math::Vec3> vertices;
24     BASE_NS::vector<BASE_NS::Math::Vec3> normals;  // optional, will be generated if empty
25     BASE_NS::vector<BASE_NS::Math::Vec2> uvs;      // optional, will be  generated if empty
26     BASE_NS::vector<BASE_NS::Math::Vec2> uv2s;     // optional
27     BASE_NS::vector<BASE_NS::Math::Vec4> tangents; // optional, will be created if createTangents is set true
28     BASE_NS::vector<BASE_NS::Math::Vec4> colors;   // optional
29     BASE_NS::vector<IndexType> indices;
30     bool generateTangents { false };
31 
CreateMeshGeometry32     static Ptr Create()
33     {
34         return Ptr { new MeshGeometry<IndexType>() };
35     }
36 };
37 
38 template<typename IndexType>
39 using MeshGeometryPtr = BASE_NS::shared_ptr<MeshGeometry<IndexType>>;
40 
41 template<typename IndexType>
42 using MeshGeometryArray = BASE_NS::vector<MeshGeometryPtr<IndexType>>;
43 
44 template<typename IndexType>
45 using MeshGeometryArrayPtr = BASE_NS::shared_ptr<MeshGeometryArray<IndexType>>;
46 
47 template<typename IndexType>
48 using MeshGeometryArrayWeakPtr = BASE_NS::shared_ptr<MeshGeometryArray<IndexType>>;
49 
50 template<typename IndexType>
CreateMeshContainer(size_t reserve)51 MeshGeometryArrayPtr<IndexType> CreateMeshContainer(size_t reserve)
52 {
53     auto ret = MeshGeometryArrayPtr<IndexType> { new MeshGeometryArray<IndexType>() };
54     ret->reserve(reserve);
55     return ret;
56 }
57 
58 SCENE_END_NAMESPACE()
59 
60 #endif // SCENEPLUGIN_MESH_ARRAYS_H
61