1/*
2Open Asset Import Library (assimp)
3----------------------------------------------------------------------
4
5Copyright (c) 2006-2019, assimp team
6
7
8All rights reserved.
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10Redistribution and use of this software in source and binary forms,
11with or without modification, are permitted provided that the
12following 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.
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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
28THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
29"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
30LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
31A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
32OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
33SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
34LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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38OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
39
40----------------------------------------------------------------------
41*/
42
43/** @file FBXProperties.cpp
44 * @brief Implementation of the FBX dynamic properties system
45 */
46
47#ifndef ASSIMP_BUILD_NO_FBX_IMPORTER
48
49#include "FBXTokenizer.h"
50#include "FBXParser.h"
51#include "FBXDocument.h"
52#include "FBXDocumentUtil.h"
53#include "FBXProperties.h"
54
55namespace Assimp {
56namespace FBX {
57
58 using namespace Util;
59
60// ------------------------------------------------------------------------------------------------
61Property::Property()
62{
63}
64
65// ------------------------------------------------------------------------------------------------
66Property::~Property()
67{
68}
69
70namespace {
71
72// ------------------------------------------------------------------------------------------------
73// read a typed property out of a FBX element. The return value is NULL if the property cannot be read.
74Property* ReadTypedProperty(const Element& element)
75{
76 ai_assert(element.KeyToken().StringContents() == "P");
77
78 const TokenList& tok = element.Tokens();
79 ai_assert(tok.size() >= 5);
80
81 const std::string& s = ParseTokenAsString(t: *tok[1]);
82 const char* const cs = s.c_str();
83 if (!strcmp(s1: cs,s2: "KString")) {
84 return new TypedProperty<std::string>(ParseTokenAsString(t: *tok[4]));
85 }
86 else if (!strcmp(s1: cs,s2: "bool") || !strcmp(s1: cs,s2: "Bool")) {
87 return new TypedProperty<bool>(ParseTokenAsInt(t: *tok[4]) != 0);
88 }
89 else if (!strcmp(s1: cs, s2: "int") || !strcmp(s1: cs, s2: "Int") || !strcmp(s1: cs, s2: "enum") || !strcmp(s1: cs, s2: "Enum")) {
90 return new TypedProperty<int>(ParseTokenAsInt(t: *tok[4]));
91 }
92 else if (!strcmp(s1: cs, s2: "ULongLong")) {
93 return new TypedProperty<uint64_t>(ParseTokenAsID(t: *tok[4]));
94 }
95 else if (!strcmp(s1: cs, s2: "KTime")) {
96 return new TypedProperty<int64_t>(ParseTokenAsInt64(t: *tok[4]));
97 }
98 else if (!strcmp(s1: cs,s2: "Vector3D") ||
99 !strcmp(s1: cs,s2: "ColorRGB") ||
100 !strcmp(s1: cs,s2: "Vector") ||
101 !strcmp(s1: cs,s2: "Color") ||
102 !strcmp(s1: cs,s2: "Lcl Translation") ||
103 !strcmp(s1: cs,s2: "Lcl Rotation") ||
104 !strcmp(s1: cs,s2: "Lcl Scaling")
105 ) {
106 return new TypedProperty<aiVector3D>(aiVector3D(
107 ParseTokenAsFloat(t: *tok[4]),
108 ParseTokenAsFloat(t: *tok[5]),
109 ParseTokenAsFloat(t: *tok[6]))
110 );
111 }
112 else if (!strcmp(s1: cs,s2: "double") || !strcmp(s1: cs,s2: "Number") || !strcmp(s1: cs,s2: "Float") || !strcmp(s1: cs,s2: "FieldOfView") || !strcmp( s1: cs, s2: "UnitScaleFactor" ) ) {
113 return new TypedProperty<float>(ParseTokenAsFloat(t: *tok[4]));
114 }
115 return NULL;
116}
117
118
119// ------------------------------------------------------------------------------------------------
120// peek into an element and check if it contains a FBX property, if so return its name.
121std::string PeekPropertyName(const Element& element)
122{
123 ai_assert(element.KeyToken().StringContents() == "P");
124 const TokenList& tok = element.Tokens();
125 if(tok.size() < 4) {
126 return "";
127 }
128
129 return ParseTokenAsString(t: *tok[0]);
130}
131
132} //! anon
133
134
135// ------------------------------------------------------------------------------------------------
136PropertyTable::PropertyTable()
137: templateProps()
138, element()
139{
140}
141
142// ------------------------------------------------------------------------------------------------
143PropertyTable::PropertyTable(const Element& element, std::shared_ptr<const PropertyTable> templateProps)
144: templateProps(templateProps)
145, element(&element)
146{
147 const Scope& scope = GetRequiredScope(el: element);
148 for(const ElementMap::value_type& v : scope.Elements()) {
149 if(v.first != "P") {
150 DOMWarning(message: "expected only P elements in property table",element: v.second);
151 continue;
152 }
153
154 const std::string& name = PeekPropertyName(element: *v.second);
155 if(!name.length()) {
156 DOMWarning(message: "could not read property name",element: v.second);
157 continue;
158 }
159
160 LazyPropertyMap::const_iterator it = lazyProps.find(x: name);
161 if (it != lazyProps.end()) {
162 DOMWarning(message: "duplicate property name, will hide previous value: " + name,element: v.second);
163 continue;
164 }
165
166 lazyProps[name] = v.second;
167 }
168}
169
170
171// ------------------------------------------------------------------------------------------------
172PropertyTable::~PropertyTable()
173{
174 for(PropertyMap::value_type& v : props) {
175 delete v.second;
176 }
177}
178
179
180// ------------------------------------------------------------------------------------------------
181const Property* PropertyTable::Get(const std::string& name) const
182{
183 PropertyMap::const_iterator it = props.find(x: name);
184 if (it == props.end()) {
185 // hasn't been parsed yet?
186 LazyPropertyMap::const_iterator lit = lazyProps.find(x: name);
187 if(lit != lazyProps.end()) {
188 props[name] = ReadTypedProperty(element: *(*lit).second);
189 it = props.find(x: name);
190
191 ai_assert(it != props.end());
192 }
193
194 if (it == props.end()) {
195 // check property template
196 if(templateProps) {
197 return templateProps->Get(name);
198 }
199
200 return NULL;
201 }
202 }
203
204 return (*it).second;
205}
206
207DirectPropertyMap PropertyTable::GetUnparsedProperties() const
208{
209 DirectPropertyMap result;
210
211 // Loop through all the lazy properties (which is all the properties)
212 for(const LazyPropertyMap::value_type& element : lazyProps) {
213
214 // Skip parsed properties
215 if (props.end() != props.find(x: element.first)) continue;
216
217 // Read the element's value.
218 // Wrap the naked pointer (since the call site is required to acquire ownership)
219 // std::unique_ptr from C++11 would be preferred both as a wrapper and a return value.
220 std::shared_ptr<Property> prop = std::shared_ptr<Property>(ReadTypedProperty(element: *element.second));
221
222 // Element could not be read. Skip it.
223 if (!prop) continue;
224
225 // Add to result
226 result[element.first] = prop;
227 }
228
229 return result;
230}
231
232} //! FBX
233} //! Assimp
234
235#endif
236

source code of qt3d/src/3rdparty/assimp/src/code/FBX/FBXProperties.cpp