godot/modules/fbx/fbx_parser/FBXProperties.cpp

247 lines
9.3 KiB
C++

/**************************************************************************/
/* FBXProperties.cpp */
/**************************************************************************/
/* This file is part of: */
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/* https://godotengine.org */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/*
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
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following disclaimer in the documentation and/or other
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* 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
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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 NULL 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() :
templateProps(), element() {
}
// ------------------------------------------------------------------------------------------------
PropertyTable::PropertyTable(const PropertyTable *templateProps) :
templateProps(templateProps), element() {
}
// ------------------------------------------------------------------------------------------------
PropertyTable::PropertyTable(const ElementPtr element, const PropertyTable *templateProps) :
templateProps(templateProps), element(element) {
const ScopePtr scope = GetRequiredScope(element);
ERR_FAIL_COND(!scope);
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;
}
}
// ------------------------------------------------------------------------------------------------
PropertyTable::~PropertyTable() {
for (PropertyMap::value_type &v : props) {
delete 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
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 &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