1 /*
2 Open Asset Import Library (assimp)
3 ----------------------------------------------------------------------
4
5 Copyright (c) 2006-2021, assimp team
6
7
8 All rights reserved.
9
10 Redistribution and use of this software in source and binary forms,
11 with or without modification, are permitted provided that the
12 following conditions are met:
13
14 * Redistributions of source code must retain the above
15 copyright notice, this list of conditions and the
16 following disclaimer.
17
18 * Redistributions in binary form must reproduce the above
19 copyright notice, this list of conditions and the
20 following disclaimer in the documentation and/or other
21 materials provided with the distribution.
22
23 * Neither the name of the assimp team, nor the names of its
24 contributors may be used to endorse or promote products
25 derived from this software without specific prior
26 written permission of the assimp team.
27
28 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
29 "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
30 LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
31 A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
32 OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
33 SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
34 LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
35 DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
36 THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
37 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
38 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
39
40 ----------------------------------------------------------------------
41 */
42
43 /** @file FBXModel.cpp
44 * @brief Assimp::FBX::Model implementation
45 */
46
47 #ifndef ASSIMP_BUILD_NO_FBX_IMPORTER
48
49 #include "FBXDocument.h"
50 #include "FBXDocumentUtil.h"
51 #include "FBXImporter.h"
52 #include "FBXMeshGeometry.h"
53 #include "FBXParser.h"
54
55 namespace Assimp {
56 namespace FBX {
57
58 using namespace Util;
59
60 // ------------------------------------------------------------------------------------------------
Model(uint64_t id,const Element & element,const Document & doc,const std::string & name)61 Model::Model(uint64_t id, const Element &element, const Document &doc, const std::string &name) :
62 Object(id, element, name), shading("Y") {
63 const Scope &sc = GetRequiredScope(element);
64 const Element *const Shading = sc["Shading"];
65 const Element *const Culling = sc["Culling"];
66
67 if (Shading) {
68 shading = GetRequiredToken(*Shading, 0).StringContents();
69 }
70
71 if (Culling) {
72 culling = ParseTokenAsString(GetRequiredToken(*Culling, 0));
73 }
74
75 props = GetPropertyTable(doc, "Model.FbxNode", element, sc);
76 ResolveLinks(element, doc);
77 }
78
79 // ------------------------------------------------------------------------------------------------
~Model()80 Model::~Model() {
81 }
82
83 // ------------------------------------------------------------------------------------------------
ResolveLinks(const Element &,const Document & doc)84 void Model::ResolveLinks(const Element&, const Document &doc) {
85 const char *const arr[] = { "Geometry", "Material", "NodeAttribute" };
86
87 // resolve material
88 const std::vector<const Connection *> &conns = doc.GetConnectionsByDestinationSequenced(ID(), arr, 3);
89
90 materials.reserve(conns.size());
91 geometry.reserve(conns.size());
92 attributes.reserve(conns.size());
93 for (const Connection *con : conns) {
94
95 // material and geometry links should be Object-Object connections
96 if (con->PropertyName().length()) {
97 continue;
98 }
99
100 const Object *const ob = con->SourceObject();
101 if (!ob) {
102 DOMWarning("failed to read source object for incoming Model link, ignoring", &element);
103 continue;
104 }
105
106 const Material *const mat = dynamic_cast<const Material *>(ob);
107 if (mat) {
108 materials.push_back(mat);
109 continue;
110 }
111
112 const Geometry *const geo = dynamic_cast<const Geometry *>(ob);
113 if (geo) {
114 geometry.push_back(geo);
115 continue;
116 }
117
118 const NodeAttribute *const att = dynamic_cast<const NodeAttribute *>(ob);
119 if (att) {
120 attributes.push_back(att);
121 continue;
122 }
123
124 DOMWarning("source object for model link is neither Material, NodeAttribute nor Geometry, ignoring", &element);
125 continue;
126 }
127 }
128
129 // ------------------------------------------------------------------------------------------------
IsNull() const130 bool Model::IsNull() const {
131 const std::vector<const NodeAttribute *> &attrs = GetAttributes();
132 for (const NodeAttribute *att : attrs) {
133
134 const Null *null_tag = dynamic_cast<const Null *>(att);
135 if (null_tag) {
136 return true;
137 }
138 }
139
140 return false;
141 }
142
143 } // namespace FBX
144 } // namespace Assimp
145
146 #endif
147