Signed-off-by: RevoluPowered <gordon@gordonite.tech> Signed-off-by: K. S. Ernest (iFIre) Lee <ernest.lee@chibifire.com>
235 lines
6.9 KiB
C++
235 lines
6.9 KiB
C++
/*
|
|
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 FBXParser.h
|
|
* @brief FBX parsing code
|
|
*/
|
|
#ifndef INCLUDED_AI_FBX_PARSER_H
|
|
#define INCLUDED_AI_FBX_PARSER_H
|
|
|
|
#include <stdint.h>
|
|
#include <map>
|
|
#include <memory>
|
|
#include <assimp/LogAux.h>
|
|
#include <assimp/fast_atof.h>
|
|
|
|
#include "FBXCompileConfig.h"
|
|
#include "FBXTokenizer.h"
|
|
|
|
namespace Assimp {
|
|
namespace FBX {
|
|
|
|
class Scope;
|
|
class Parser;
|
|
class Element;
|
|
|
|
// XXX should use C++11's unique_ptr - but assimp's need to keep working with 03
|
|
typedef std::vector< Scope* > ScopeList;
|
|
typedef std::fbx_unordered_multimap< std::string, Element* > ElementMap;
|
|
|
|
typedef std::pair<ElementMap::const_iterator,ElementMap::const_iterator> ElementCollection;
|
|
|
|
# define new_Scope new Scope
|
|
# define new_Element new Element
|
|
|
|
|
|
/** FBX data entity that consists of a key:value tuple.
|
|
*
|
|
* Example:
|
|
* @verbatim
|
|
* AnimationCurve: 23, "AnimCurve::", "" {
|
|
* [..]
|
|
* }
|
|
* @endverbatim
|
|
*
|
|
* As can be seen in this sample, elements can contain nested #Scope
|
|
* as their trailing member. **/
|
|
class Element
|
|
{
|
|
public:
|
|
Element(const Token& key_token, Parser& parser);
|
|
~Element();
|
|
|
|
const Scope* Compound() const {
|
|
return compound.get();
|
|
}
|
|
|
|
const Token& KeyToken() const {
|
|
return key_token;
|
|
}
|
|
|
|
const TokenList& Tokens() const {
|
|
return tokens;
|
|
}
|
|
|
|
private:
|
|
const Token& key_token;
|
|
TokenList tokens;
|
|
std::unique_ptr<Scope> compound;
|
|
};
|
|
|
|
/** FBX data entity that consists of a 'scope', a collection
|
|
* of not necessarily unique #Element instances.
|
|
*
|
|
* Example:
|
|
* @verbatim
|
|
* GlobalSettings: {
|
|
* Version: 1000
|
|
* Properties70:
|
|
* [...]
|
|
* }
|
|
* @endverbatim */
|
|
class Scope
|
|
{
|
|
public:
|
|
Scope(Parser& parser, bool topLevel = false);
|
|
~Scope();
|
|
|
|
const Element* operator[] (const std::string& index) const {
|
|
ElementMap::const_iterator it = elements.find(index);
|
|
return it == elements.end() ? NULL : (*it).second;
|
|
}
|
|
|
|
const Element* FindElementCaseInsensitive(const std::string& elementName) const {
|
|
const char* elementNameCStr = elementName.c_str();
|
|
for (auto element = elements.begin(); element != elements.end(); ++element)
|
|
{
|
|
if (!ASSIMP_strincmp(element->first.c_str(), elementNameCStr, MAXLEN)) {
|
|
return element->second;
|
|
}
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
ElementCollection GetCollection(const std::string& index) const {
|
|
return elements.equal_range(index);
|
|
}
|
|
|
|
const ElementMap& Elements() const {
|
|
return elements;
|
|
}
|
|
|
|
private:
|
|
ElementMap elements;
|
|
};
|
|
|
|
/** FBX parsing class, takes a list of input tokens and generates a hierarchy
|
|
* of nested #Scope instances, representing the fbx DOM.*/
|
|
class Parser
|
|
{
|
|
public:
|
|
/** Parse given a token list. Does not take ownership of the tokens -
|
|
* the objects must persist during the entire parser lifetime */
|
|
Parser (const TokenList& tokens,bool is_binary);
|
|
~Parser();
|
|
|
|
const Scope& GetRootScope() const {
|
|
return *root.get();
|
|
}
|
|
|
|
bool IsBinary() const {
|
|
return is_binary;
|
|
}
|
|
|
|
private:
|
|
friend class Scope;
|
|
friend class Element;
|
|
|
|
TokenPtr AdvanceToNextToken();
|
|
TokenPtr LastToken() const;
|
|
TokenPtr CurrentToken() const;
|
|
|
|
private:
|
|
const TokenList& tokens;
|
|
|
|
TokenPtr last, current;
|
|
TokenList::const_iterator cursor;
|
|
std::unique_ptr<Scope> root;
|
|
|
|
const bool is_binary;
|
|
};
|
|
|
|
|
|
/* token parsing - this happens when building the DOM out of the parse-tree*/
|
|
uint64_t ParseTokenAsID(const Token& t, const char*& err_out);
|
|
size_t ParseTokenAsDim(const Token& t, const char*& err_out);
|
|
|
|
float ParseTokenAsFloat(const Token& t, const char*& err_out);
|
|
int ParseTokenAsInt(const Token& t, const char*& err_out);
|
|
int64_t ParseTokenAsInt64(const Token& t, const char*& err_out);
|
|
std::string ParseTokenAsString(const Token& t, const char*& err_out);
|
|
|
|
/* wrapper around ParseTokenAsXXX() with DOMError handling */
|
|
uint64_t ParseTokenAsID(const Token& t);
|
|
size_t ParseTokenAsDim(const Token& t);
|
|
float ParseTokenAsFloat(const Token& t);
|
|
int ParseTokenAsInt(const Token& t);
|
|
int64_t ParseTokenAsInt64(const Token& t);
|
|
std::string ParseTokenAsString(const Token& t);
|
|
|
|
/* read data arrays */
|
|
void ParseVectorDataArray(std::vector<aiVector3D>& out, const Element& el);
|
|
void ParseVectorDataArray(std::vector<aiColor4D>& out, const Element& el);
|
|
void ParseVectorDataArray(std::vector<aiVector2D>& out, const Element& el);
|
|
void ParseVectorDataArray(std::vector<int>& out, const Element& el);
|
|
void ParseVectorDataArray(std::vector<float>& out, const Element& el);
|
|
void ParseVectorDataArray(std::vector<unsigned int>& out, const Element& el);
|
|
void ParseVectorDataArray(std::vector<uint64_t>& out, const Element& e);
|
|
void ParseVectorDataArray(std::vector<int64_t>& out, const Element& el);
|
|
|
|
bool HasElement( const Scope& sc, const std::string& index );
|
|
|
|
// extract a required element from a scope, abort if the element cannot be found
|
|
const Element& GetRequiredElement(const Scope& sc, const std::string& index, const Element* element = NULL);
|
|
|
|
// extract required compound scope
|
|
const Scope& GetRequiredScope(const Element& el);
|
|
// get token at a particular index
|
|
const Token& GetRequiredToken(const Element& el, unsigned int index);
|
|
|
|
// read a 4x4 matrix from an array of 16 floats
|
|
aiMatrix4x4 ReadMatrix(const Element& element);
|
|
|
|
} // ! FBX
|
|
} // ! Assimp
|
|
|
|
#endif // ! INCLUDED_AI_FBX_PARSER_H
|