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Diffstat (limited to 'modules/fbx/fbx_parser/FBXProperties.cpp')
| -rw-r--r-- | modules/fbx/fbx_parser/FBXProperties.cpp | 246 |
1 files changed, 246 insertions, 0 deletions
diff --git a/modules/fbx/fbx_parser/FBXProperties.cpp b/modules/fbx/fbx_parser/FBXProperties.cpp new file mode 100644 index 0000000000..37717e9109 --- /dev/null +++ b/modules/fbx/fbx_parser/FBXProperties.cpp @@ -0,0 +1,246 @@ +/*************************************************************************/ +/* FBXProperties.cpp */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */ +/* */ +/* Permission is hereby granted, free of charge, to any person obtaining */ +/* a copy of this software and associated documentation files (the */ +/* "Software"), to deal in the Software without restriction, including */ +/* without limitation the rights to use, copy, modify, merge, publish, */ +/* distribute, sublicense, and/or sell copies of the Software, and to */ +/* permit persons to whom the Software is furnished to do so, subject to */ +/* the following conditions: */ +/* */ +/* The above copyright notice and this permission notice shall be */ +/* included in all copies or substantial portions of the Software. */ +/* */ +/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ +/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ +/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ +/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ +/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ +/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ +/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ +/*************************************************************************/ + +/* +Open Asset Import Library (assimp) +---------------------------------------------------------------------- + +Copyright (c) 2006-2019, 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 + */ + +#include "FBXProperties.h" +#include "FBXDocumentUtil.h" +#include "FBXParser.h" +#include "FBXTokenizer.h" + +namespace FBXDocParser { + +using namespace Util; + +// ------------------------------------------------------------------------------------------------ +Property::Property() { +} + +// ------------------------------------------------------------------------------------------------ +Property::~Property() { +} + +namespace { + +// ------------------------------------------------------------------------------------------------ +// read a typed property out of a FBX element. The return value is nullptr if the property cannot be read. +PropertyPtr ReadTypedProperty(const ElementPtr 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<Vector3>(Vector3( + ParseTokenAsFloat(tok[4]), + ParseTokenAsFloat(tok[5]), + ParseTokenAsFloat(tok[6]))); + } else if (!strcmp(cs, "double") || !strcmp(cs, "Number") || !strcmp(cs, "Float") || !strcmp(cs, "float") || !strcmp(cs, "FieldOfView") || !strcmp(cs, "UnitScaleFactor")) { + return new TypedProperty<float>(ParseTokenAsFloat(tok[4])); + } + + return nullptr; +} + +// ------------------------------------------------------------------------------------------------ +// 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]); +} +} // namespace + +// ------------------------------------------------------------------------------------------------ +PropertyTable::PropertyTable() : + element(nullptr) { +} + +// Is used when dealing with FBX Objects not metadata. +PropertyTable::PropertyTable(const ElementPtr element) : + element(element) { + Setup(element); +} + +// ------------------------------------------------------------------------------------------------ +PropertyTable::~PropertyTable() { + for (PropertyMap::value_type &v : props) { + delete v.second; + } +} + +void PropertyTable::Setup(ElementPtr ptr) { + const ScopePtr sc = GetRequiredScope(ptr); + const ElementPtr Properties70 = sc->GetElement("Properties70"); + const ScopePtr scope = GetOptionalScope(Properties70); + + // no scope, no care. + if (!scope) { + return; // NOTE: this is not an error this is actually a Object, without properties, here we will nullptr it. + } + + 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; + } + + // since the above checks for duplicates we can be sure to insert the only match here. + lazyProps[name] = v.second; + } +} + +// ------------------------------------------------------------------------------------------------ +PropertyPtr 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 + return nullptr; + } + } + + 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. + Property *prop = ReadTypedProperty(element.second); + + // Element could not be read. Skip it. + if (!prop) { + continue; + } + + // Add to result + result[element.first] = prop; + } + + return result; +} +} // namespace FBXDocParser |