| /* |
| Open Asset Import Library (assimp) |
| ---------------------------------------------------------------------- |
| |
| Copyright (c) 2006-2017, assimp team |
| |
| All rights reserved. |
| |
| Redistribution and use of this software in source and binary forms, |
| with or without modification, are permitted provided that the |
| following conditions are met: |
| |
| * Redistributions of source code must retain the above |
| copyright notice, this list of conditions and the |
| following disclaimer. |
| |
| * Redistributions in binary form must reproduce the above |
| copyright notice, this list of conditions and the |
| following disclaimer in the documentation and/or other |
| materials provided with the distribution. |
| |
| * Neither the name of the assimp team, nor the names of its |
| contributors may be used to endorse or promote products |
| derived from this software without specific prior |
| written permission of the assimp team. |
| |
| THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| ---------------------------------------------------------------------- |
| */ |
| |
| /** @file FBXProperties.cpp |
| * @brief Implementation of the FBX dynamic properties system |
| */ |
| |
| #ifndef ASSIMP_BUILD_NO_FBX_IMPORTER |
| |
| #include "FBXTokenizer.h" |
| #include "FBXParser.h" |
| #include "FBXDocument.h" |
| #include "FBXDocumentUtil.h" |
| #include "FBXProperties.h" |
| |
| namespace Assimp { |
| namespace FBX { |
| |
| using namespace Util; |
| |
| // ------------------------------------------------------------------------------------------------ |
| Property::Property() |
| { |
| } |
| |
| // ------------------------------------------------------------------------------------------------ |
| Property::~Property() |
| { |
| } |
| |
| namespace { |
| |
| // ------------------------------------------------------------------------------------------------ |
| // read a typed property out of a FBX element. The return value is NULL if the property cannot be read. |
| Property* ReadTypedProperty(const Element& element) |
| { |
| ai_assert(element.KeyToken().StringContents() == "P"); |
| |
| const TokenList& tok = element.Tokens(); |
| ai_assert(tok.size() >= 5); |
| |
| const std::string& s = ParseTokenAsString(*tok[1]); |
| const char* const cs = s.c_str(); |
| if (!strcmp(cs,"KString")) { |
| return new TypedProperty<std::string>(ParseTokenAsString(*tok[4])); |
| } |
| else if (!strcmp(cs,"bool") || !strcmp(cs,"Bool")) { |
| return new TypedProperty<bool>(ParseTokenAsInt(*tok[4]) != 0); |
| } |
| else if (!strcmp(cs, "int") || !strcmp(cs, "Int") || !strcmp(cs, "enum") || !strcmp(cs, "Enum")) { |
| return new TypedProperty<int>(ParseTokenAsInt(*tok[4])); |
| } |
| else if (!strcmp(cs, "ULongLong")) { |
| return new TypedProperty<uint64_t>(ParseTokenAsID(*tok[4])); |
| } |
| else if (!strcmp(cs, "KTime")) { |
| return new TypedProperty<int64_t>(ParseTokenAsInt64(*tok[4])); |
| } |
| else if (!strcmp(cs,"Vector3D") || |
| !strcmp(cs,"ColorRGB") || |
| !strcmp(cs,"Vector") || |
| !strcmp(cs,"Color") || |
| !strcmp(cs,"Lcl Translation") || |
| !strcmp(cs,"Lcl Rotation") || |
| !strcmp(cs,"Lcl Scaling") |
| ) { |
| return new TypedProperty<aiVector3D>(aiVector3D( |
| ParseTokenAsFloat(*tok[4]), |
| ParseTokenAsFloat(*tok[5]), |
| ParseTokenAsFloat(*tok[6])) |
| ); |
| } |
| else if (!strcmp(cs,"double") || !strcmp(cs,"Number") || !strcmp(cs,"Float") || !strcmp(cs,"FieldOfView")) { |
| return new TypedProperty<float>(ParseTokenAsFloat(*tok[4])); |
| } |
| return NULL; |
| } |
| |
| |
| // ------------------------------------------------------------------------------------------------ |
| // peek into an element and check if it contains a FBX property, if so return its name. |
| std::string PeekPropertyName(const Element& element) |
| { |
| ai_assert(element.KeyToken().StringContents() == "P"); |
| const TokenList& tok = element.Tokens(); |
| if(tok.size() < 4) { |
| return ""; |
| } |
| |
| return ParseTokenAsString(*tok[0]); |
| } |
| |
| } //! anon |
| |
| |
| // ------------------------------------------------------------------------------------------------ |
| PropertyTable::PropertyTable() |
| : templateProps() |
| , element() |
| { |
| } |
| |
| |
| // ------------------------------------------------------------------------------------------------ |
| PropertyTable::PropertyTable(const Element& element, std::shared_ptr<const PropertyTable> templateProps) |
| : templateProps(templateProps) |
| , element(&element) |
| { |
| const Scope& scope = GetRequiredScope(element); |
| for(const ElementMap::value_type& v : scope.Elements()) { |
| if(v.first != "P") { |
| DOMWarning("expected only P elements in property table",v.second); |
| continue; |
| } |
| |
| const std::string& name = PeekPropertyName(*v.second); |
| if(!name.length()) { |
| DOMWarning("could not read property name",v.second); |
| continue; |
| } |
| |
| LazyPropertyMap::const_iterator it = lazyProps.find(name); |
| if (it != lazyProps.end()) { |
| DOMWarning("duplicate property name, will hide previous value: " + name,v.second); |
| continue; |
| } |
| |
| lazyProps[name] = v.second; |
| } |
| } |
| |
| |
| // ------------------------------------------------------------------------------------------------ |
| PropertyTable::~PropertyTable() |
| { |
| for(PropertyMap::value_type& v : props) { |
| delete v.second; |
| } |
| } |
| |
| |
| // ------------------------------------------------------------------------------------------------ |
| const Property* PropertyTable::Get(const std::string& name) const |
| { |
| PropertyMap::const_iterator it = props.find(name); |
| if (it == props.end()) { |
| // hasn't been parsed yet? |
| LazyPropertyMap::const_iterator lit = lazyProps.find(name); |
| if(lit != lazyProps.end()) { |
| props[name] = ReadTypedProperty(*(*lit).second); |
| it = props.find(name); |
| |
| ai_assert(it != props.end()); |
| } |
| |
| if (it == props.end()) { |
| // check property template |
| if(templateProps) { |
| return templateProps->Get(name); |
| } |
| |
| return NULL; |
| } |
| } |
| |
| return (*it).second; |
| } |
| |
| DirectPropertyMap PropertyTable::GetUnparsedProperties() const |
| { |
| DirectPropertyMap result; |
| |
| // Loop through all the lazy properties (which is all the properties) |
| for(const LazyPropertyMap::value_type& element : lazyProps) { |
| |
| // Skip parsed properties |
| if (props.end() != props.find(element.first)) continue; |
| |
| // Read the element's value. |
| // Wrap the naked pointer (since the call site is required to acquire ownership) |
| // std::unique_ptr from C++11 would be preferred both as a wrapper and a return value. |
| std::shared_ptr<Property> prop = std::shared_ptr<Property>(ReadTypedProperty(*element.second)); |
| |
| // Element could not be read. Skip it. |
| if (!prop) continue; |
| |
| // Add to result |
| result[element.first] = prop; |
| } |
| |
| return result; |
| } |
| |
| |
| |
| } //! FBX |
| } //! Assimp |
| |
| #endif |