1/*
2Open Asset Import Library (assimp)
3----------------------------------------------------------------------
4
5Copyright (c) 2006-2017, assimp team
6
7All rights reserved.
8
9Redistribution and use of this software in source and binary forms,
10with or without modification, are permitted provided that the
11following conditions are met:
12
13* Redistributions of source code must retain the above
14copyright notice, this list of conditions and the
15following disclaimer.
16
17* Redistributions in binary form must reproduce the above
18copyright notice, this list of conditions and the
19following disclaimer in the documentation and/or other
20materials provided with the distribution.
21
22* Neither the name of the assimp team, nor the names of its
23contributors may be used to endorse or promote products
24derived from this software without specific prior
25written permission of the assimp team.
26
27THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
28"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
29LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
30A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
31OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
32SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
33LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
34DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
35THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
36(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
37OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
38
39----------------------------------------------------------------------
40*/
41
42/** @file GltfExporter.h
43* Declares the exporter class to write a scene to a gltf/glb file
44*/
45#ifndef AI_GLTFEXPORTER_H_INC
46#define AI_GLTFEXPORTER_H_INC
47
48#ifndef ASSIMP_BUILD_NO_GLTF_IMPORTER
49
50#include <assimp/types.h>
51#include <assimp/material.h>
52
53#include <sstream>
54#include <vector>
55#include <map>
56#include <memory>
57
58struct aiScene;
59struct aiNode;
60struct aiMaterial;
61
62namespace glTF
63{
64 template<class T>
65 class Ref;
66
67 class Asset;
68 struct TexProperty;
69 struct Node;
70}
71
72namespace Assimp
73{
74 class IOSystem;
75 class IOStream;
76 class ExportProperties;
77
78 // ------------------------------------------------------------------------------------------------
79 /** Helper class to export a given scene to an glTF file. */
80 // ------------------------------------------------------------------------------------------------
81 class glTFExporter
82 {
83 public:
84 /// Constructor for a specific scene to export
85 glTFExporter(const char* filename, IOSystem* pIOSystem, const aiScene* pScene,
86 const ExportProperties* pProperties, bool binary);
87
88 private:
89
90 const char* mFilename;
91 IOSystem* mIOSystem;
92 const aiScene* mScene;
93 const ExportProperties* mProperties;
94
95 std::map<std::string, unsigned int> mTexturesByPath;
96
97 std::shared_ptr<glTF::Asset> mAsset;
98
99 std::vector<unsigned char> mBodyData;
100
101 void WriteBinaryData(IOStream* outfile, std::size_t sceneLength);
102
103 void GetTexSampler(const aiMaterial* mat, glTF::TexProperty& prop);
104 void GetMatColorOrTex(const aiMaterial* mat, glTF::TexProperty& prop, const char* propName, int type, int idx, aiTextureType tt);
105 void ExportMetadata();
106 void ExportMaterials();
107 void ExportMeshes();
108 unsigned int ExportNodeHierarchy(const aiNode* n);
109 unsigned int ExportNode(const aiNode* node, glTF::Ref<glTF::Node>& parent);
110 void ExportScene();
111 void ExportAnimations();
112 };
113
114}
115
116#endif // ASSIMP_BUILD_NO_GLTF_IMPORTER
117
118#endif // AI_GLTFEXPORTER_H_INC
119