272 lines
8.6 KiB
C++
272 lines
8.6 KiB
C++
/*
|
|
Open Asset Import Library (assimp)
|
|
----------------------------------------------------------------------
|
|
|
|
Copyright (c) 2006-2021, 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 {
|
|
|
|
void checkTokenCount(const TokenList& tok, unsigned int expectedCount)
|
|
{
|
|
ai_assert(expectedCount >= 2);
|
|
if (tok.size() < expectedCount) {
|
|
const std::string& s = ParseTokenAsString(*tok[1]);
|
|
if (tok[1]->IsBinary()) {
|
|
throw DeadlyImportError("Not enough tokens for property of type ", s, " at offset ", tok[1]->Offset());
|
|
}
|
|
else {
|
|
throw DeadlyImportError("Not enough tokens for property of type ", s, " at line ", tok[1]->Line());
|
|
}
|
|
}
|
|
}
|
|
|
|
// ------------------------------------------------------------------------------------------------
|
|
// read a typed property out of a FBX element. The return value is nullptr if the property cannot be read.
|
|
Property* ReadTypedProperty(const Element& element)
|
|
{
|
|
ai_assert(element.KeyToken().StringContents() == "P");
|
|
|
|
const TokenList& tok = element.Tokens();
|
|
if (tok.size() < 2) {
|
|
return nullptr;
|
|
}
|
|
|
|
const std::string& s = ParseTokenAsString(*tok[1]);
|
|
const char* const cs = s.c_str();
|
|
if (!strcmp(cs,"KString")) {
|
|
checkTokenCount(tok, 5);
|
|
return new TypedProperty<std::string>(ParseTokenAsString(*tok[4]));
|
|
}
|
|
else if (!strcmp(cs,"bool") || !strcmp(cs,"Bool")) {
|
|
checkTokenCount(tok, 5);
|
|
return new TypedProperty<bool>(ParseTokenAsInt(*tok[4]) != 0);
|
|
}
|
|
else if (!strcmp(cs, "int") || !strcmp(cs, "Int") || !strcmp(cs, "enum") || !strcmp(cs, "Enum") || !strcmp(cs, "Integer")) {
|
|
checkTokenCount(tok, 5);
|
|
return new TypedProperty<int>(ParseTokenAsInt(*tok[4]));
|
|
}
|
|
else if (!strcmp(cs, "ULongLong")) {
|
|
checkTokenCount(tok, 5);
|
|
return new TypedProperty<uint64_t>(ParseTokenAsID(*tok[4]));
|
|
}
|
|
else if (!strcmp(cs, "KTime")) {
|
|
checkTokenCount(tok, 5);
|
|
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")
|
|
) {
|
|
checkTokenCount(tok, 7);
|
|
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") || !strcmp( cs, "UnitScaleFactor" ) ) {
|
|
checkTokenCount(tok, 5);
|
|
return new TypedProperty<float>(ParseTokenAsFloat(*tok[4]));
|
|
}
|
|
else if (!strcmp(cs, "ColorAndAlpha")) {
|
|
checkTokenCount(tok, 8);
|
|
return new TypedProperty<aiColor4D>(aiColor4D(
|
|
ParseTokenAsFloat(*tok[4]),
|
|
ParseTokenAsFloat(*tok[5]),
|
|
ParseTokenAsFloat(*tok[6]),
|
|
ParseTokenAsFloat(*tok[7]))
|
|
);
|
|
}
|
|
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 std::string();
|
|
}
|
|
|
|
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 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& currentElement : lazyProps) {
|
|
|
|
// Skip parsed properties
|
|
if (props.end() != props.find(currentElement.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(*currentElement.second));
|
|
|
|
// Element could not be read. Skip it.
|
|
if (!prop) {
|
|
continue;
|
|
}
|
|
|
|
// Add to result
|
|
result[currentElement.first] = prop;
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
} //! FBX
|
|
} //! Assimp
|
|
|
|
#endif
|