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Merge branch 'master' into memleaks

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This commit is contained in:
Kim Kulling
2018-02-07 00:38:23 +01:00
committed by GitHub
parent 17b26c91e2 be7261c019
commit 277fa2da93
10 changed files with 567 additions and 587 deletions
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16
code/3DSLoader.cpp
View File

@@ -113,22 +113,24 @@ Discreet3DSImporter::Discreet3DSImporter()
, mScene()
, mMasterScale()
, bHasBG()
, bIsPrj()
{}
, bIsPrj() {
// empty
}
// ------------------------------------------------------------------------------------------------
// Destructor, private as well
Discreet3DSImporter::~Discreet3DSImporter()
{}
Discreet3DSImporter::~Discreet3DSImporter() {
// empty
}
// ------------------------------------------------------------------------------------------------
// Returns whether the class can handle the format of the given file.
bool Discreet3DSImporter::CanRead( const std::string& pFile, IOSystem* pIOHandler, bool checkSig) const
{
bool Discreet3DSImporter::CanRead( const std::string& pFile, IOSystem* pIOHandler, bool checkSig) const {
std::string extension = GetExtension(pFile);
if(extension == "3ds" || extension == "prj" ) {
return true;
}
if (!extension.length() || checkSig) {
uint16_t token[3];
token[0] = 0x4d4d;
@@ -210,7 +212,7 @@ void Discreet3DSImporter::InternReadFile( const std::string& pFile,
ConvertScene(pScene);
// Generate the node graph for the scene. This is a little bit
// tricky since we'll need to split some meshes into submeshes
// tricky since we'll need to split some meshes into sub-meshes
GenerateNodeGraph(pScene);
// Now apply the master scaling factor to the scene

352
code/PlyLoader.cpp
View File

@@ -58,16 +58,16 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
using namespace Assimp;
static const aiImporterDesc desc = {
"Stanford Polygon Library (PLY) Importer",
"",
"",
"",
aiImporterFlags_SupportBinaryFlavour | aiImporterFlags_SupportTextFlavour,
0,
0,
0,
0,
"ply"
"Stanford Polygon Library (PLY) Importer",
"",
"",
"",
aiImporterFlags_SupportBinaryFlavour | aiImporterFlags_SupportTextFlavour,
0,
0,
0,
0,
"ply"
};
@@ -92,229 +92,209 @@ namespace
// ------------------------------------------------------------------------------------------------
// Constructor to be privately used by Importer
PLYImporter::PLYImporter()
: mBuffer(nullptr)
, pcDOM(nullptr)
, mGeneratedMesh(nullptr){
// empty
: mBuffer(nullptr)
, pcDOM(nullptr)
, mGeneratedMesh(nullptr) {
// empty
}
// ------------------------------------------------------------------------------------------------
// Destructor, private as well
PLYImporter::~PLYImporter() {
// empty
// empty
}
// ------------------------------------------------------------------------------------------------
// Returns whether the class can handle the format of the given file.
bool PLYImporter::CanRead(const std::string& pFile, IOSystem* pIOHandler, bool checkSig) const
{
const std::string extension = GetExtension(pFile);
bool PLYImporter::CanRead(const std::string& pFile, IOSystem* pIOHandler, bool checkSig) const {
const std::string extension = GetExtension(pFile);
if (extension == "ply")
return true;
else if (!extension.length() || checkSig)
{
if (!pIOHandler)return true;
const char* tokens[] = { "ply" };
return SearchFileHeaderForToken(pIOHandler, pFile, tokens, 1);
}
return false;
if ( extension == "ply" ) {
return true;
} else if (!extension.length() || checkSig) {
if ( !pIOHandler ) {
return true;
}
static const char* tokens[] = { "ply" };
return SearchFileHeaderForToken(pIOHandler, pFile, tokens, 1);
}
return false;
}
// ------------------------------------------------------------------------------------------------
const aiImporterDesc* PLYImporter::GetInfo() const
{
return &desc;
const aiImporterDesc* PLYImporter::GetInfo() const {
return &desc;
}
// ------------------------------------------------------------------------------------------------
static bool isBigEndian(const char* szMe) {
ai_assert(NULL != szMe);
ai_assert(NULL != szMe);
// binary_little_endian
// binary_big_endian
bool isBigEndian(false);
// binary_little_endian
// binary_big_endian
bool isBigEndian(false);
#if (defined AI_BUILD_BIG_ENDIAN)
if ( 'l' == *szMe || 'L' == *szMe ) {
isBigEndian = true;
}
if ( 'l' == *szMe || 'L' == *szMe ) {
isBigEndian = true;
}
#else
if ('b' == *szMe || 'B' == *szMe) {
isBigEndian = true;
}
if ('b' == *szMe || 'B' == *szMe) {
isBigEndian = true;
}
#endif // ! AI_BUILD_BIG_ENDIAN
return isBigEndian;
return isBigEndian;
}
// ------------------------------------------------------------------------------------------------
// Imports the given file into the given scene structure.
void PLYImporter::InternReadFile(const std::string& pFile,
aiScene* pScene, IOSystem* pIOHandler)
{
static const std::string mode = "rb";
std::unique_ptr<IOStream> fileStream(pIOHandler->Open(pFile, mode));
if (!fileStream.get()) {
throw DeadlyImportError("Failed to open file " + pFile + ".");
}
void PLYImporter::InternReadFile(const std::string& pFile, aiScene* pScene, IOSystem* pIOHandler) {
static const std::string mode = "rb";
std::unique_ptr<IOStream> fileStream(pIOHandler->Open(pFile, mode));
if (!fileStream.get()) {
throw DeadlyImportError("Failed to open file " + pFile + ".");
}
// Get the file-size
size_t fileSize = fileStream->FileSize();
if ( 0 == fileSize ) {
throw DeadlyImportError("File " + pFile + " is empty.");
}
// Get the file-size
const size_t fileSize( fileStream->FileSize() );
if ( 0 == fileSize ) {
throw DeadlyImportError("File " + pFile + " is empty.");
}
IOStreamBuffer<char> streamedBuffer(1024 * 1024);
streamedBuffer.open(fileStream.get());
IOStreamBuffer<char> streamedBuffer(1024 * 1024);
streamedBuffer.open(fileStream.get());
// the beginning of the file must be PLY - magic, magic
std::vector<char> headerCheck;
streamedBuffer.getNextLine(headerCheck);
// the beginning of the file must be PLY - magic, magic
std::vector<char> headerCheck;
streamedBuffer.getNextLine(headerCheck);
if ((headerCheck.size() < 3) ||
(headerCheck[0] != 'P' && headerCheck[0] != 'p') ||
(headerCheck[1] != 'L' && headerCheck[1] != 'l') ||
(headerCheck[2] != 'Y' && headerCheck[2] != 'y') )
{
streamedBuffer.close();
throw DeadlyImportError("Invalid .ply file: Magic number \'ply\' is no there");
}
if ((headerCheck.size() < 3) ||
(headerCheck[0] != 'P' && headerCheck[0] != 'p') ||
(headerCheck[1] != 'L' && headerCheck[1] != 'l') ||
(headerCheck[2] != 'Y' && headerCheck[2] != 'y') ) {
streamedBuffer.close();
throw DeadlyImportError("Invalid .ply file: Magic number \'ply\' is no there");
}
std::vector<char> mBuffer2;
streamedBuffer.getNextLine(mBuffer2);
mBuffer = (unsigned char*)&mBuffer2[0];
std::vector<char> mBuffer2;
streamedBuffer.getNextLine(mBuffer2);
mBuffer = (unsigned char*)&mBuffer2[0];
char* szMe = (char*)&this->mBuffer[0];
SkipSpacesAndLineEnd(szMe, (const char**)&szMe);
char* szMe = (char*)&this->mBuffer[0];
SkipSpacesAndLineEnd(szMe, (const char**)&szMe);
// determine the format of the file data and construct the aimesh
PLY::DOM sPlyDom;
this->pcDOM = &sPlyDom;
// determine the format of the file data and construct the aimesh
PLY::DOM sPlyDom;
this->pcDOM = &sPlyDom;
if (TokenMatch(szMe, "format", 6)) {
if (TokenMatch(szMe, "ascii", 5)) {
SkipLine(szMe, (const char**)&szMe);
if (!PLY::DOM::ParseInstance(streamedBuffer, &sPlyDom, this))
{
if (mGeneratedMesh != NULL)
{
delete(mGeneratedMesh);
mGeneratedMesh = nullptr;
if (TokenMatch(szMe, "format", 6)) {
if (TokenMatch(szMe, "ascii", 5)) {
SkipLine(szMe, (const char**)&szMe);
if (!PLY::DOM::ParseInstance(streamedBuffer, &sPlyDom, this)) {
if (mGeneratedMesh != NULL) {
delete(mGeneratedMesh);
mGeneratedMesh = nullptr;
}
streamedBuffer.close();
throw DeadlyImportError("Invalid .ply file: Unable to build DOM (#1)");
}
} else if (!::strncmp(szMe, "binary_", 7)) {
szMe += 7;
const bool bIsBE(isBigEndian(szMe));
// skip the line, parse the rest of the header and build the DOM
if (!PLY::DOM::ParseInstanceBinary(streamedBuffer, &sPlyDom, this, bIsBE)) {
if (mGeneratedMesh != NULL) {
delete(mGeneratedMesh);
mGeneratedMesh = nullptr;
}
streamedBuffer.close();
throw DeadlyImportError("Invalid .ply file: Unable to build DOM (#2)");
}
} else {
if (mGeneratedMesh != NULL) {
delete(mGeneratedMesh);
mGeneratedMesh = nullptr;
}
streamedBuffer.close();
throw DeadlyImportError("Invalid .ply file: Unknown file format");
}
} else {
AI_DEBUG_INVALIDATE_PTR(this->mBuffer);
if (mGeneratedMesh != NULL) {
delete(mGeneratedMesh);
mGeneratedMesh = nullptr;
}
streamedBuffer.close();
throw DeadlyImportError("Invalid .ply file: Unable to build DOM (#1)");
}
throw DeadlyImportError("Invalid .ply file: Missing format specification");
}
else if (!::strncmp(szMe, "binary_", 7))
{
szMe += 7;
const bool bIsBE(isBigEndian(szMe));
// skip the line, parse the rest of the header and build the DOM
if (!PLY::DOM::ParseInstanceBinary(streamedBuffer, &sPlyDom, this, bIsBE))
{
if (mGeneratedMesh != NULL)
{
delete(mGeneratedMesh);
mGeneratedMesh = nullptr;
//free the file buffer
streamedBuffer.close();
if (mGeneratedMesh == NULL) {
throw DeadlyImportError("Invalid .ply file: Unable to extract mesh data ");
}
// if no face list is existing we assume that the vertex
// list is containing a list of points
bool pointsOnly = mGeneratedMesh->mFaces == NULL ? true : false;
if (pointsOnly) {
if (mGeneratedMesh->mNumVertices < 3) {
if (mGeneratedMesh != NULL) {
delete(mGeneratedMesh);
mGeneratedMesh = nullptr;
}
streamedBuffer.close();
throw DeadlyImportError("Invalid .ply file: Not enough "
"vertices to build a proper face list. ");
}
streamedBuffer.close();
throw DeadlyImportError("Invalid .ply file: Unable to build DOM (#2)");
}
}
else
{
if (mGeneratedMesh != NULL)
{
delete(mGeneratedMesh);
mGeneratedMesh = nullptr;
}
const unsigned int iNum = (unsigned int)mGeneratedMesh->mNumVertices / 3;
mGeneratedMesh->mNumFaces = iNum;
mGeneratedMesh->mFaces = new aiFace[mGeneratedMesh->mNumFaces];
streamedBuffer.close();
throw DeadlyImportError("Invalid .ply file: Unknown file format");
}
}
else
{
AI_DEBUG_INVALIDATE_PTR(this->mBuffer);
if (mGeneratedMesh != NULL)
{
delete(mGeneratedMesh);
mGeneratedMesh = nullptr;
for (unsigned int i = 0; i < iNum; ++i) {
mGeneratedMesh->mFaces[i].mNumIndices = 3;
mGeneratedMesh->mFaces[i].mIndices = new unsigned int[3];
mGeneratedMesh->mFaces[i].mIndices[0] = (i * 3);
mGeneratedMesh->mFaces[i].mIndices[1] = (i * 3) + 1;
mGeneratedMesh->mFaces[i].mIndices[2] = (i * 3) + 2;
}
}
streamedBuffer.close();
throw DeadlyImportError("Invalid .ply file: Missing format specification");
}
// now load a list of all materials
std::vector<aiMaterial*> avMaterials;
std::string defaultTexture;
LoadMaterial(&avMaterials, defaultTexture, pointsOnly);
//free the file buffer
streamedBuffer.close();
if (mGeneratedMesh == NULL)
{
throw DeadlyImportError("Invalid .ply file: Unable to extract mesh data ");
}
// if no face list is existing we assume that the vertex
// list is containing a list of points
bool pointsOnly = mGeneratedMesh->mFaces == NULL ? true : false;
if (pointsOnly)
{
if (mGeneratedMesh->mNumVertices < 3)
{
if (mGeneratedMesh != NULL)
{
delete(mGeneratedMesh);
mGeneratedMesh = nullptr;
}
streamedBuffer.close();
throw DeadlyImportError("Invalid .ply file: Not enough "
"vertices to build a proper face list. ");
// now generate the output scene object. Fill the material list
pScene->mNumMaterials = (unsigned int)avMaterials.size();
pScene->mMaterials = new aiMaterial*[pScene->mNumMaterials];
for (unsigned int i = 0; i < pScene->mNumMaterials; ++i) {
pScene->mMaterials[i] = avMaterials[i];
}
const unsigned int iNum = (unsigned int)mGeneratedMesh->mNumVertices / 3;
mGeneratedMesh->mNumFaces = iNum;
mGeneratedMesh->mFaces = new aiFace[mGeneratedMesh->mNumFaces];
// fill the mesh list
pScene->mNumMeshes = 1;
pScene->mMeshes = new aiMesh*[pScene->mNumMeshes];
pScene->mMeshes[0] = mGeneratedMesh;
mGeneratedMesh = nullptr;
for (unsigned int i = 0; i < iNum; ++i)
{
mGeneratedMesh->mFaces[i].mNumIndices = 3;
mGeneratedMesh->mFaces[i].mIndices = new unsigned int[3];
mGeneratedMesh->mFaces[i].mIndices[0] = (i * 3);
mGeneratedMesh->mFaces[i].mIndices[1] = (i * 3) + 1;
mGeneratedMesh->mFaces[i].mIndices[2] = (i * 3) + 2;
// generate a simple node structure
pScene->mRootNode = new aiNode();
pScene->mRootNode->mNumMeshes = pScene->mNumMeshes;
pScene->mRootNode->mMeshes = new unsigned int[pScene->mNumMeshes];
for (unsigned int i = 0; i < pScene->mRootNode->mNumMeshes; ++i) {
pScene->mRootNode->mMeshes[i] = i;
}
}
// now load a list of all materials
std::vector<aiMaterial*> avMaterials;
std::string defaultTexture;
LoadMaterial(&avMaterials, defaultTexture, pointsOnly);
// now generate the output scene object. Fill the material list
pScene->mNumMaterials = (unsigned int)avMaterials.size();
pScene->mMaterials = new aiMaterial*[pScene->mNumMaterials];
for (unsigned int i = 0; i < pScene->mNumMaterials; ++i) {
pScene->mMaterials[i] = avMaterials[i];
}
// fill the mesh list
pScene->mNumMeshes = 1;
pScene->mMeshes = new aiMesh*[pScene->mNumMeshes];
pScene->mMeshes[0] = mGeneratedMesh;
mGeneratedMesh = nullptr;
// generate a simple node structure
pScene->mRootNode = new aiNode();
pScene->mRootNode->mNumMeshes = pScene->mNumMeshes;
pScene->mRootNode->mMeshes = new unsigned int[pScene->mNumMeshes];
for (unsigned int i = 0; i < pScene->mRootNode->mNumMeshes; ++i) {
pScene->mRootNode->mMeshes[i] = i;
}
}
void PLYImporter::LoadVertex(const PLY::Element* pcElement, const PLY::ElementInstance* instElement, unsigned int pos) {
@@ -521,9 +501,7 @@ void PLYImporter::LoadVertex(const PLY::Element* pcElement, const PLY::ElementIn
// ------------------------------------------------------------------------------------------------
// Convert a color component to [0...1]
ai_real PLYImporter::NormalizeColorValue(PLY::PropertyInstance::ValueUnion val,
PLY::EDataType eType)
{
ai_real PLYImporter::NormalizeColorValue(PLY::PropertyInstance::ValueUnion val, PLY::EDataType eType) {
switch (eType)
{
case EDT_Float:

1
code/PlyLoader.h
View File

@@ -57,7 +57,6 @@ struct aiMesh;
namespace Assimp {
using namespace PLY;
// ---------------------------------------------------------------------------

43
code/PlyParser.h
View File

@@ -39,12 +39,11 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
----------------------------------------------------------------------
*/
/** @file Defines the helper data structures for importing PLY files */
#pragma once
#ifndef AI_PLYFILEHELPER_H_INC
#define AI_PLYFILEHELPER_H_INC
#include <assimp/ParsingUtils.h>
#include <assimp/IOStreamBuffer.h>
#include <vector>
@@ -58,8 +57,7 @@ class PLYImporter;
// http://local.wasp.uwa.edu.au/~pbourke/dataformats/ply/
// http://w3.impa.br/~lvelho/outgoing/sossai/old/ViHAP_D4.4.2_PLY_format_v1.1.pdf
// http://www.okino.com/conv/exp_ply.htm
namespace PLY
{
namespace PLY {
// ---------------------------------------------------------------------------------
/*
@@ -78,8 +76,7 @@ int8
int16
uint8 ... forms are also used
*/
enum EDataType
{
enum EDataType {
EDT_Char = 0x0u,
EDT_UChar,
EDT_Short,
@@ -98,8 +95,7 @@ enum EDataType
*
* Semantics define the usage of a property, e.g. x coordinate
*/
enum ESemantic
{
enum ESemantic {
//! vertex position x coordinate
EST_XCoord = 0x0u,
//! vertex position x coordinate
@@ -182,15 +178,14 @@ enum ESemantic
*
* Semantics define the usage of an element, e.g. vertex or material
*/
enum EElementSemantic
{
enum EElementSemantic {
//! The element is a vertex
EEST_Vertex = 0x0u,
//! The element is a face description (index table)
EEST_Face,
//! The element is a tristrip description (index table)
//! The element is a triangle-strip description (index table)
EEST_TriStrip,
//! The element is an edge description (ignored)
@@ -211,17 +206,16 @@ enum EElementSemantic
*
* This can e.g. be a part of the vertex declaration
*/
class Property
{
class Property {
public:
//! Default constructor
Property()
: eType (EDT_Int),
Semantic(),
bIsList(false),
eFirstType(EDT_UChar)
{}
: eType (EDT_Int)
, Semantic()
, bIsList(false)
, eFirstType(EDT_UChar) {
// empty
}
//! Data type of the property
EDataType eType;
@@ -260,15 +254,14 @@ public:
* This can e.g. be the vertex declaration. Elements contain a
* well-defined number of properties.
*/
class Element
{
class Element {
public:
//! Default constructor
Element()
: eSemantic (EEST_INVALID)
, NumOccur(0)
{}
: eSemantic (EEST_INVALID)
, NumOccur(0) {
// empty
}
//! List of properties assigned to the element
//! std::vector to support operator[]

341
code/XFileImporter.cpp
View File

@@ -5,8 +5,6 @@ Open Asset Import Library (assimp)
Copyright (c) 2006-2018, assimp team
All rights reserved.
Redistribution and use of this software in source and binary forms,
@@ -44,7 +42,6 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
* @brief Implementation of the XFile importer class
*/
#ifndef ASSIMP_BUILD_NO_X_IMPORTER
#include "XFileImporter.h"
@@ -79,17 +76,19 @@ static const aiImporterDesc desc = {
// ------------------------------------------------------------------------------------------------
// Constructor to be privately used by Importer
XFileImporter::XFileImporter()
{}
: mBuffer() {
// empty
}
// ------------------------------------------------------------------------------------------------
// Destructor, private as well
XFileImporter::~XFileImporter()
{}
XFileImporter::~XFileImporter() {
// empty
}
// ------------------------------------------------------------------------------------------------
// Returns whether the class can handle the format of the given file.
bool XFileImporter::CanRead( const std::string& pFile, IOSystem* pIOHandler, bool checkSig) const
{
bool XFileImporter::CanRead( const std::string& pFile, IOSystem* pIOHandler, bool checkSig) const {
std::string extension = GetExtension(pFile);
if(extension == "x") {
return true;
@@ -104,23 +103,24 @@ bool XFileImporter::CanRead( const std::string& pFile, IOSystem* pIOHandler, boo
// ------------------------------------------------------------------------------------------------
// Get file extension list
const aiImporterDesc* XFileImporter::GetInfo () const
{
const aiImporterDesc* XFileImporter::GetInfo () const {
return &desc;
}
// ------------------------------------------------------------------------------------------------
// Imports the given file into the given scene structure.
void XFileImporter::InternReadFile( const std::string& pFile, aiScene* pScene, IOSystem* pIOHandler)
{
void XFileImporter::InternReadFile( const std::string& pFile, aiScene* pScene, IOSystem* pIOHandler) {
// read file into memory
std::unique_ptr<IOStream> file( pIOHandler->Open( pFile));
if( file.get() == NULL)
throw DeadlyImportError( "Failed to open file " + pFile + ".");
if ( file.get() == NULL ) {
throw DeadlyImportError( "Failed to open file " + pFile + "." );
}
static const size_t MinSize = 16;
size_t fileSize = file->FileSize();
if( fileSize < 16)
throw DeadlyImportError( "XFile is too small.");
if ( fileSize < MinSize ) {
throw DeadlyImportError( "XFile is too small." );
}
// in the hope that binary files will never start with a BOM ...
mBuffer.resize( fileSize + 1);
@@ -134,8 +134,9 @@ void XFileImporter::InternReadFile( const std::string& pFile, aiScene* pScene, I
CreateDataRepresentationFromImport( pScene, parser.GetImportedData());
// if nothing came from it, report it as error
if( !pScene->mRootNode)
throw DeadlyImportError( "XFile is ill-formatted - no content imported.");
if ( !pScene->mRootNode ) {
throw DeadlyImportError( "XFile is ill-formatted - no content imported." );
}
}
// ------------------------------------------------------------------------------------------------
@@ -146,17 +147,15 @@ void XFileImporter::CreateDataRepresentationFromImport( aiScene* pScene, XFile::
ConvertMaterials( pScene, pData->mGlobalMaterials);
// copy nodes, extracting meshes and materials on the way
pScene->mRootNode = CreateNodes( pScene, NULL, pData->mRootNode);
pScene->mRootNode = CreateNodes( pScene, nullptr, pData->mRootNode);
// extract animations
CreateAnimations( pScene, pData);
// read the global meshes that were stored outside of any node
if( pData->mGlobalMeshes.size() > 0)
{
if( !pData->mGlobalMeshes.empty() ) {
// create a root node to hold them if there isn't any, yet
if( pScene->mRootNode == NULL)
{
if( pScene->mRootNode == nullptr ) {
pScene->mRootNode = new aiNode;
pScene->mRootNode->mName.Set( "$dummy_node");
}
@@ -180,8 +179,7 @@ void XFileImporter::CreateDataRepresentationFromImport( aiScene* pScene, XFile::
flipper.Execute(pScene);
// finally: create a dummy material if not material was imported
if( pScene->mNumMaterials == 0)
{
if( pScene->mNumMaterials == 0) {
pScene->mNumMaterials = 1;
// create the Material
aiMaterial* mat = new aiMaterial;
@@ -205,10 +203,10 @@ void XFileImporter::CreateDataRepresentationFromImport( aiScene* pScene, XFile::
// ------------------------------------------------------------------------------------------------
// Recursively creates scene nodes from the imported hierarchy.
aiNode* XFileImporter::CreateNodes( aiScene* pScene, aiNode* pParent, const XFile::Node* pNode)
{
if( !pNode)
return NULL;
aiNode* XFileImporter::CreateNodes( aiScene* pScene, aiNode* pParent, const XFile::Node* pNode) {
if ( !pNode ) {
return nullptr;
}
// create node
aiNode* node = new aiNode;
@@ -222,13 +220,13 @@ aiNode* XFileImporter::CreateNodes( aiScene* pScene, aiNode* pParent, const XFil
CreateMeshes( pScene, node, pNode->mMeshes);
// handle childs
if( pNode->mChildren.size() > 0)
{
if( !pNode->mChildren.empty() ) {
node->mNumChildren = (unsigned int)pNode->mChildren.size();
node->mChildren = new aiNode* [node->mNumChildren];
for( unsigned int a = 0; a < pNode->mChildren.size(); a++)
node->mChildren[a] = CreateNodes( pScene, node, pNode->mChildren[a]);
for ( unsigned int a = 0; a < pNode->mChildren.size(); ++a ) {
node->mChildren[ a ] = CreateNodes( pScene, node, pNode->mChildren[ a ] );
}
}
return node;
@@ -236,16 +234,14 @@ aiNode* XFileImporter::CreateNodes( aiScene* pScene, aiNode* pParent, const XFil
// ------------------------------------------------------------------------------------------------
// Creates the meshes for the given node.
void XFileImporter::CreateMeshes( aiScene* pScene, aiNode* pNode, const std::vector<XFile::Mesh*>& pMeshes)
{
void XFileImporter::CreateMeshes( aiScene* pScene, aiNode* pNode, const std::vector<XFile::Mesh*>& pMeshes) {
if (pMeshes.empty()) {
return;
}
// create a mesh for each mesh-material combination in the source node
std::vector<aiMesh*> meshes;
for( unsigned int a = 0; a < pMeshes.size(); a++)
{
for( unsigned int a = 0; a < pMeshes.size(); ++a ) {
XFile::Mesh* sourceMesh = pMeshes[a];
if ( nullptr == sourceMesh ) {
continue;
@@ -255,35 +251,30 @@ void XFileImporter::CreateMeshes( aiScene* pScene, aiNode* pNode, const std::vec
ConvertMaterials( pScene, sourceMesh->mMaterials);
unsigned int numMaterials = std::max( (unsigned int)sourceMesh->mMaterials.size(), 1u);
for( unsigned int b = 0; b < numMaterials; b++)
{
for( unsigned int b = 0; b < numMaterials; ++b ) {
// collect the faces belonging to this material
std::vector<unsigned int> faces;
unsigned int numVertices = 0;
if( sourceMesh->mFaceMaterials.size() > 0)
{
if( !sourceMesh->mFaceMaterials.empty() ) {
// if there is a per-face material defined, select the faces with the corresponding material
for( unsigned int c = 0; c < sourceMesh->mFaceMaterials.size(); c++)
{
if( sourceMesh->mFaceMaterials[c] == b)
{
for( unsigned int c = 0; c < sourceMesh->mFaceMaterials.size(); ++c ) {
if( sourceMesh->mFaceMaterials[c] == b) {
faces.push_back( c);
numVertices += (unsigned int)sourceMesh->mPosFaces[c].mIndices.size();
}
}
} else
{
} else {
// if there is no per-face material, place everything into one mesh
for( unsigned int c = 0; c < sourceMesh->mPosFaces.size(); c++)
{
for( unsigned int c = 0; c < sourceMesh->mPosFaces.size(); ++c ) {
faces.push_back( c);
numVertices += (unsigned int)sourceMesh->mPosFaces[c].mIndices.size();
}
}
// no faces/vertices using this material? strange...
if( numVertices == 0)
if ( numVertices == 0 ) {
continue;
}
// create a submesh using this material
aiMesh* mesh = new aiMesh;
@@ -291,11 +282,9 @@ void XFileImporter::CreateMeshes( aiScene* pScene, aiNode* pNode, const std::vec
// find the material in the scene's material list. Either own material
// or referenced material, it should already have a valid index
if( sourceMesh->mFaceMaterials.size() > 0)
{
if( !sourceMesh->mFaceMaterials.empty() ) {
mesh->mMaterialIndex = static_cast<unsigned int>(sourceMesh->mMaterials[b].sceneIndex);
} else
{
} else {
mesh->mMaterialIndex = 0;
}
@@ -310,28 +299,28 @@ void XFileImporter::CreateMeshes( aiScene* pScene, aiNode* pNode, const std::vec
mesh->mName.Set(sourceMesh->mName);
// normals?
if( sourceMesh->mNormals.size() > 0)
mesh->mNormals = new aiVector3D[numVertices];
if ( sourceMesh->mNormals.size() > 0 ) {
mesh->mNormals = new aiVector3D[ numVertices ];
}
// texture coords
for( unsigned int c = 0; c < AI_MAX_NUMBER_OF_TEXTURECOORDS; c++)
{
if( sourceMesh->mTexCoords[c].size() > 0)
mesh->mTextureCoords[c] = new aiVector3D[numVertices];
for( unsigned int c = 0; c < AI_MAX_NUMBER_OF_TEXTURECOORDS; ++c ) {
if ( !sourceMesh->mTexCoords[ c ].empty() ) {
mesh->mTextureCoords[ c ] = new aiVector3D[ numVertices ];
}
}
// vertex colors
for( unsigned int c = 0; c < AI_MAX_NUMBER_OF_COLOR_SETS; c++)
{
if( sourceMesh->mColors[c].size() > 0)
mesh->mColors[c] = new aiColor4D[numVertices];
for( unsigned int c = 0; c < AI_MAX_NUMBER_OF_COLOR_SETS; ++c ) {
if ( !sourceMesh->mColors[ c ].empty() ) {
mesh->mColors[ c ] = new aiColor4D[ numVertices ];
}
}
// now collect the vertex data of all data streams present in the imported mesh
unsigned int newIndex = 0;
unsigned int newIndex( 0 );
std::vector<unsigned int> orgPoints; // from which original point each new vertex stems
orgPoints.resize( numVertices, 0);
for( unsigned int c = 0; c < faces.size(); c++)
{
for( unsigned int c = 0; c < faces.size(); ++c ) {
unsigned int f = faces[c]; // index of the source face
const XFile::Face& pf = sourceMesh->mPosFaces[f]; // position source face
@@ -341,30 +330,30 @@ void XFileImporter::CreateMeshes( aiScene* pScene, aiNode* pNode, const std::vec
df.mIndices = new unsigned int[ df.mNumIndices];
// collect vertex data for indices of this face
for( unsigned int d = 0; d < df.mNumIndices; d++)
{
for( unsigned int d = 0; d < df.mNumIndices; ++d ) {
df.mIndices[d] = newIndex;
orgPoints[newIndex] = pf.mIndices[d];
// Position
mesh->mVertices[newIndex] = sourceMesh->mPositions[pf.mIndices[d]];
// Normal, if present
if( mesh->HasNormals())
mesh->mNormals[newIndex] = sourceMesh->mNormals[sourceMesh->mNormFaces[f].mIndices[d]];
if ( mesh->HasNormals() ) {
mesh->mNormals[ newIndex ] = sourceMesh->mNormals[ sourceMesh->mNormFaces[ f ].mIndices[ d ] ];
}
// texture coord sets
for( unsigned int e = 0; e < AI_MAX_NUMBER_OF_TEXTURECOORDS; e++)
{
if( mesh->HasTextureCoords( e))
{
for( unsigned int e = 0; e < AI_MAX_NUMBER_OF_TEXTURECOORDS; ++e ) {
if( mesh->HasTextureCoords( e)) {
aiVector2D tex = sourceMesh->mTexCoords[e][pf.mIndices[d]];
mesh->mTextureCoords[e][newIndex] = aiVector3D( tex.x, 1.0f - tex.y, 0.0f);
}
}
// vertex color sets
for( unsigned int e = 0; e < AI_MAX_NUMBER_OF_COLOR_SETS; e++)
if( mesh->HasVertexColors( e))
mesh->mColors[e][newIndex] = sourceMesh->mColors[e][pf.mIndices[d]];
for ( unsigned int e = 0; e < AI_MAX_NUMBER_OF_COLOR_SETS; ++e ) {
if ( mesh->HasVertexColors( e ) ) {
mesh->mColors[ e ][ newIndex ] = sourceMesh->mColors[ e ][ pf.mIndices[ d ] ];
}
}
newIndex++;
}
@@ -376,28 +365,29 @@ void XFileImporter::CreateMeshes( aiScene* pScene, aiNode* pNode, const std::vec
// convert all bones of the source mesh which influence vertices in this newly created mesh
const std::vector<XFile::Bone>& bones = sourceMesh->mBones;
std::vector<aiBone*> newBones;
for( unsigned int c = 0; c < bones.size(); c++)
{
for( unsigned int c = 0; c < bones.size(); ++c ) {
const XFile::Bone& obone = bones[c];
// set up a vertex-linear array of the weights for quick searching if a bone influences a vertex
std::vector<ai_real> oldWeights( sourceMesh->mPositions.size(), 0.0);
for( unsigned int d = 0; d < obone.mWeights.size(); d++)
oldWeights[obone.mWeights[d].mVertex] = obone.mWeights[d].mWeight;
for ( unsigned int d = 0; d < obone.mWeights.size(); ++d ) {
oldWeights[ obone.mWeights[ d ].mVertex ] = obone.mWeights[ d ].mWeight;
}
// collect all vertex weights that influence a vertex in the new mesh
std::vector<aiVertexWeight> newWeights;
newWeights.reserve( numVertices);
for( unsigned int d = 0; d < orgPoints.size(); d++)
{
for( unsigned int d = 0; d < orgPoints.size(); ++d ) {
// does the new vertex stem from an old vertex which was influenced by this bone?
ai_real w = oldWeights[orgPoints[d]];
if( w > 0.0)
newWeights.push_back( aiVertexWeight( d, w));
if ( w > 0.0 ) {
newWeights.push_back( aiVertexWeight( d, w ) );
}
}
// if the bone has no weights in the newly created mesh, ignore it
if( newWeights.size() == 0)
if ( newWeights.empty() ) {
continue;
}
// create
aiBone* nbone = new aiBone;
@@ -407,14 +397,14 @@ void XFileImporter::CreateMeshes( aiScene* pScene, aiNode* pNode, const std::vec
nbone->mOffsetMatrix = obone.mOffsetMatrix;
nbone->mNumWeights = (unsigned int)newWeights.size();
nbone->mWeights = new aiVertexWeight[nbone->mNumWeights];
for( unsigned int d = 0; d < newWeights.size(); d++)
nbone->mWeights[d] = newWeights[d];
for ( unsigned int d = 0; d < newWeights.size(); ++d ) {
nbone->mWeights[ d ] = newWeights[ d ];
}
}
// store the bones in the mesh
mesh->mNumBones = (unsigned int)newBones.size();
if( newBones.size() > 0)
{
if( !newBones.empty()) {
mesh->mBones = new aiBone*[mesh->mNumBones];
std::copy( newBones.begin(), newBones.end(), mesh->mBones);
}
@@ -424,8 +414,7 @@ void XFileImporter::CreateMeshes( aiScene* pScene, aiNode* pNode, const std::vec
// reallocate scene mesh array to be large enough
aiMesh** prevArray = pScene->mMeshes;
pScene->mMeshes = new aiMesh*[pScene->mNumMeshes + meshes.size()];
if( prevArray)
{
if( prevArray) {
memcpy( pScene->mMeshes, prevArray, pScene->mNumMeshes * sizeof( aiMesh*));
delete [] prevArray;
}
@@ -435,8 +424,7 @@ void XFileImporter::CreateMeshes( aiScene* pScene, aiNode* pNode, const std::vec
pNode->mMeshes = new unsigned int[pNode->mNumMeshes];
// store all meshes in the mesh library of the scene and store their indices in the node
for( unsigned int a = 0; a < meshes.size(); a++)
{
for( unsigned int a = 0; a < meshes.size(); a++) {
pScene->mMeshes[pScene->mNumMeshes] = meshes[a];
pNode->mMeshes[a] = pScene->mNumMeshes;
pScene->mNumMeshes++;
@@ -445,16 +433,15 @@ void XFileImporter::CreateMeshes( aiScene* pScene, aiNode* pNode, const std::vec
// ------------------------------------------------------------------------------------------------
// Converts the animations from the given imported data and creates them in the scene.
void XFileImporter::CreateAnimations( aiScene* pScene, const XFile::Scene* pData)
{
void XFileImporter::CreateAnimations( aiScene* pScene, const XFile::Scene* pData) {
std::vector<aiAnimation*> newAnims;
for( unsigned int a = 0; a < pData->mAnims.size(); a++)
{
for( unsigned int a = 0; a < pData->mAnims.size(); ++a ) {
const XFile::Animation* anim = pData->mAnims[a];
// some exporters mock me with empty animation tags.
if( anim->mAnims.size() == 0)
if ( anim->mAnims.empty() ) {
continue;
}
// create a new animation to hold the data
aiAnimation* nanim = new aiAnimation;
@@ -466,15 +453,14 @@ void XFileImporter::CreateAnimations( aiScene* pScene, const XFile::Scene* pData
nanim->mNumChannels = (unsigned int)anim->mAnims.size();
nanim->mChannels = new aiNodeAnim*[nanim->mNumChannels];
for( unsigned int b = 0; b < anim->mAnims.size(); b++)
{
for( unsigned int b = 0; b < anim->mAnims.size(); ++b ) {
const XFile::AnimBone* bone = anim->mAnims[b];
aiNodeAnim* nbone = new aiNodeAnim;
nbone->mNodeName.Set( bone->mBoneName);
nanim->mChannels[b] = nbone;
// keyframes are given as combined transformation matrix keys
if( bone->mTrafoKeys.size() > 0)
if( !bone->mTrafoKeys.empty() )
{
nbone->mNumPositionKeys = (unsigned int)bone->mTrafoKeys.size();
nbone->mPositionKeys = new aiVectorKey[nbone->mNumPositionKeys];
@@ -483,8 +469,7 @@ void XFileImporter::CreateAnimations( aiScene* pScene, const XFile::Scene* pData
nbone->mNumScalingKeys = (unsigned int)bone->mTrafoKeys.size();
nbone->mScalingKeys = new aiVectorKey[nbone->mNumScalingKeys];
for( unsigned int c = 0; c < bone->mTrafoKeys.size(); c++)
{
for( unsigned int c = 0; c < bone->mTrafoKeys.size(); ++c) {
// deconstruct each matrix into separate position, rotation and scaling
double time = bone->mTrafoKeys[c].mTime;
aiMatrix4x4 trafo = bone->mTrafoKeys[c].mMatrix;
@@ -516,13 +501,11 @@ void XFileImporter::CreateAnimations( aiScene* pScene, const XFile::Scene* pData
// longest lasting key sequence determines duration
nanim->mDuration = std::max( nanim->mDuration, bone->mTrafoKeys.back().mTime);
} else
{
} else {
// separate key sequences for position, rotation, scaling
nbone->mNumPositionKeys = (unsigned int)bone->mPosKeys.size();
nbone->mPositionKeys = new aiVectorKey[nbone->mNumPositionKeys];
for( unsigned int c = 0; c < nbone->mNumPositionKeys; c++)
{
for( unsigned int c = 0; c < nbone->mNumPositionKeys; ++c ) {
aiVector3D pos = bone->mPosKeys[c].mValue;
nbone->mPositionKeys[c].mTime = bone->mPosKeys[c].mTime;
@@ -532,8 +515,7 @@ void XFileImporter::CreateAnimations( aiScene* pScene, const XFile::Scene* pData
// rotation
nbone->mNumRotationKeys = (unsigned int)bone->mRotKeys.size();
nbone->mRotationKeys = new aiQuatKey[nbone->mNumRotationKeys];
for( unsigned int c = 0; c < nbone->mNumRotationKeys; c++)
{
for( unsigned int c = 0; c < nbone->mNumRotationKeys; ++c ) {
aiMatrix3x3 rotmat = bone->mRotKeys[c].mValue.GetMatrix();
nbone->mRotationKeys[c].mTime = bone->mRotKeys[c].mTime;
@@ -573,56 +555,51 @@ void XFileImporter::CreateAnimations( aiScene* pScene, const XFile::Scene* pData
void XFileImporter::ConvertMaterials( aiScene* pScene, std::vector<XFile::Material>& pMaterials)
{
// count the non-referrer materials in the array
unsigned int numNewMaterials = 0;
for( unsigned int a = 0; a < pMaterials.size(); a++)
if( !pMaterials[a].mIsReference)
numNewMaterials++;
unsigned int numNewMaterials( 0 );
for ( unsigned int a = 0; a < pMaterials.size(); ++a ) {
if ( !pMaterials[ a ].mIsReference ) {
++numNewMaterials;
}
}
// resize the scene's material list to offer enough space for the new materials
if( numNewMaterials > 0 )
{
aiMaterial** prevMats = pScene->mMaterials;
pScene->mMaterials = new aiMaterial*[pScene->mNumMaterials + numNewMaterials];
if( prevMats)
{
memcpy( pScene->mMaterials, prevMats, pScene->mNumMaterials * sizeof( aiMaterial*));
delete [] prevMats;
}
}
if( numNewMaterials > 0 ) {
aiMaterial** prevMats = pScene->mMaterials;
pScene->mMaterials = new aiMaterial*[pScene->mNumMaterials + numNewMaterials];
if( nullptr != prevMats) {
::memcpy( pScene->mMaterials, prevMats, pScene->mNumMaterials * sizeof( aiMaterial*));
delete [] prevMats;
}
}
// convert all the materials given in the array
for( unsigned int a = 0; a < pMaterials.size(); a++)
{
for( unsigned int a = 0; a < pMaterials.size(); ++a ) {
XFile::Material& oldMat = pMaterials[a];
if( oldMat.mIsReference)
{
// find the material it refers to by name, and store its index
for( size_t a = 0; a < pScene->mNumMaterials; ++a )
{
aiString name;
pScene->mMaterials[a]->Get( AI_MATKEY_NAME, name);
if( strcmp( name.C_Str(), oldMat.mName.data()) == 0 )
{
oldMat.sceneIndex = a;
break;
if( oldMat.mIsReference) {
// find the material it refers to by name, and store its index
for( size_t a = 0; a < pScene->mNumMaterials; ++a ) {
aiString name;
pScene->mMaterials[a]->Get( AI_MATKEY_NAME, name);
if( strcmp( name.C_Str(), oldMat.mName.data()) == 0 ) {
oldMat.sceneIndex = a;
break;
}
}
if( oldMat.sceneIndex == SIZE_MAX ) {
DefaultLogger::get()->warn( format() << "Could not resolve global material reference \"" << oldMat.mName << "\"" );
oldMat.sceneIndex = 0;
}
continue;
}
}
if( oldMat.sceneIndex == SIZE_MAX )
{
DefaultLogger::get()->warn( format() << "Could not resolve global material reference \"" << oldMat.mName << "\"" );
oldMat.sceneIndex = 0;
}
continue;
}
aiMaterial* mat = new aiMaterial;
aiString name;
name.Set( oldMat.mName);
mat->AddProperty( &name, AI_MATKEY_NAME);
// Shading model: hardcoded to PHONG, there is no such information in an XFile
// Shading model: hard-coded to PHONG, there is no such information in an XFile
// FIX (aramis): If the specular exponent is 0, use gouraud shading. This is a bugfix
// for some models in the SDK (e.g. good old tiny.x)
int shadeMode = (int)oldMat.mSpecularExponent == 0.0f
@@ -630,8 +607,8 @@ void XFileImporter::ConvertMaterials( aiScene* pScene, std::vector<XFile::Materi
mat->AddProperty<int>( &shadeMode, 1, AI_MATKEY_SHADING_MODEL);
// material colours
// Unclear: there's no ambient colour, but emissive. What to put for ambient?
// Probably nothing at all, let the user select a suitable default.
// Unclear: there's no ambient colour, but emissive. What to put for ambient?
// Probably nothing at all, let the user select a suitable default.
mat->AddProperty( &oldMat.mEmissive, 1, AI_MATKEY_COLOR_EMISSIVE);
mat->AddProperty( &oldMat.mDiffuse, 1, AI_MATKEY_COLOR_DIFFUSE);
mat->AddProperty( &oldMat.mSpecular, 1, AI_MATKEY_COLOR_SPECULAR);
@@ -639,36 +616,33 @@ void XFileImporter::ConvertMaterials( aiScene* pScene, std::vector<XFile::Materi
// texture, if there is one
if (1 == oldMat.mTextures.size())
{
if (1 == oldMat.mTextures.size() ) {
const XFile::TexEntry& otex = oldMat.mTextures.back();
if (otex.mName.length())
{
if (otex.mName.length()) {
// if there is only one texture assume it contains the diffuse color
aiString tex( otex.mName);
if( otex.mIsNormalMap)
mat->AddProperty( &tex, AI_MATKEY_TEXTURE_NORMALS(0));
else
mat->AddProperty( &tex, AI_MATKEY_TEXTURE_DIFFUSE(0));
if ( otex.mIsNormalMap ) {
mat->AddProperty( &tex, AI_MATKEY_TEXTURE_NORMALS( 0 ) );
} else {
mat->AddProperty( &tex, AI_MATKEY_TEXTURE_DIFFUSE( 0 ) );
}
}
}
else
{
} else {
// Otherwise ... try to search for typical strings in the
// texture's file name like 'bump' or 'diffuse'
unsigned int iHM = 0,iNM = 0,iDM = 0,iSM = 0,iAM = 0,iEM = 0;
for( unsigned int b = 0; b < oldMat.mTextures.size(); b++)
{
for( unsigned int b = 0; b < oldMat.mTextures.size(); ++b ) {
const XFile::TexEntry& otex = oldMat.mTextures[b];
std::string sz = otex.mName;
if (!sz.length())continue;
if ( !sz.length() ) {
continue;
}
// find the file name
//const size_t iLen = sz.length();
std::string::size_type s = sz.find_last_of("\\/");
if (std::string::npos == s)
if ( std::string::npos == s ) {
s = 0;
}
// cut off the file extension
std::string::size_type sExt = sz.find_last_of('.');
@@ -677,36 +651,27 @@ void XFileImporter::ConvertMaterials( aiScene* pScene, std::vector<XFile::Materi
}
// convert to lower case for easier comparison
for( unsigned int c = 0; c < sz.length(); c++)
if( isalpha( sz[c]))
sz[c] = tolower( sz[c]);
for ( unsigned int c = 0; c < sz.length(); ++c ) {
if ( isalpha( sz[ c ] ) ) {
sz[ c ] = tolower( sz[ c ] );
}
}
// Place texture filename property under the corresponding name
aiString tex( oldMat.mTextures[b].mName);
// bump map
if (std::string::npos != sz.find("bump", s) || std::string::npos != sz.find("height", s))
{
if (std::string::npos != sz.find("bump", s) || std::string::npos != sz.find("height", s)) {
mat->AddProperty( &tex, AI_MATKEY_TEXTURE_HEIGHT(iHM++));
} else
if (otex.mIsNormalMap || std::string::npos != sz.find( "normal", s) || std::string::npos != sz.find("nm", s))
{
} else if (otex.mIsNormalMap || std::string::npos != sz.find( "normal", s) || std::string::npos != sz.find("nm", s)) {
mat->AddProperty( &tex, AI_MATKEY_TEXTURE_NORMALS(iNM++));
} else
if (std::string::npos != sz.find( "spec", s) || std::string::npos != sz.find( "glanz", s))
{
} else if (std::string::npos != sz.find( "spec", s) || std::string::npos != sz.find( "glanz", s)) {
mat->AddProperty( &tex, AI_MATKEY_TEXTURE_SPECULAR(iSM++));
} else
if (std::string::npos != sz.find( "ambi", s) || std::string::npos != sz.find( "env", s))
{
} else if (std::string::npos != sz.find( "ambi", s) || std::string::npos != sz.find( "env", s)) {
mat->AddProperty( &tex, AI_MATKEY_TEXTURE_AMBIENT(iAM++));
} else
if (std::string::npos != sz.find( "emissive", s) || std::string::npos != sz.find( "self", s))
{
} else if (std::string::npos != sz.find( "emissive", s) || std::string::npos != sz.find( "self", s)) {
mat->AddProperty( &tex, AI_MATKEY_TEXTURE_EMISSIVE(iEM++));
} else
{
} else {
// Assume it is a diffuse texture
mat->AddProperty( &tex, AI_MATKEY_TEXTURE_DIFFUSE(iDM++));
}

312
code/XFileParser.cpp
View File

@@ -87,59 +87,60 @@ static void dummy_free (void* /*opaque*/, void* address) {
// ------------------------------------------------------------------------------------------------
// Constructor. Creates a data structure out of the XFile given in the memory block.
XFileParser::XFileParser( const std::vector<char>& pBuffer)
{
mMajorVersion = mMinorVersion = 0;
mIsBinaryFormat = false;
mBinaryNumCount = 0;
P = End = NULL;
mLineNumber = 0;
mScene = NULL;
: mMajorVersion( 0 )
, mMinorVersion( 0 )
, mIsBinaryFormat( false )
, mBinaryNumCount( 0 )
, mP( nullptr )
, mEnd( nullptr )
, mLineNumber( 0 )
, mScene( nullptr ) {
// vector to store uncompressed file for INFLATE'd X files
std::vector<char> uncompressed;
// set up memory pointers
P = &pBuffer.front();
End = P + pBuffer.size() - 1;
mP = &pBuffer.front();
mEnd = mP + pBuffer.size() - 1;
// check header
if( strncmp( P, "xof ", 4) != 0)
throw DeadlyImportError( "Header mismatch, file is not an XFile.");
if ( 0 != strncmp( mP, "xof ", 4 ) ) {
throw DeadlyImportError( "Header mismatch, file is not an XFile." );
}
// read version. It comes in a four byte format such as "0302"
mMajorVersion = (unsigned int)(P[4] - 48) * 10 + (unsigned int)(P[5] - 48);
mMinorVersion = (unsigned int)(P[6] - 48) * 10 + (unsigned int)(P[7] - 48);
mMajorVersion = (unsigned int)(mP[4] - 48) * 10 + (unsigned int)(mP[5] - 48);
mMinorVersion = (unsigned int)(mP[6] - 48) * 10 + (unsigned int)(mP[7] - 48);
bool compressed = false;
// txt - pure ASCII text format
if( strncmp( P + 8, "txt ", 4) == 0)
if( strncmp( mP + 8, "txt ", 4) == 0)
mIsBinaryFormat = false;
// bin - Binary format
else if( strncmp( P + 8, "bin ", 4) == 0)
else if( strncmp( mP + 8, "bin ", 4) == 0)
mIsBinaryFormat = true;
// tzip - Inflate compressed text format
else if( strncmp( P + 8, "tzip", 4) == 0)
else if( strncmp( mP + 8, "tzip", 4) == 0)
{
mIsBinaryFormat = false;
compressed = true;
}
// bzip - Inflate compressed binary format
else if( strncmp( P + 8, "bzip", 4) == 0)
else if( strncmp( mP + 8, "bzip", 4) == 0)
{
mIsBinaryFormat = true;
compressed = true;
}
else ThrowException( format() << "Unsupported xfile format '" <<
P[8] << P[9] << P[10] << P[11] << "'");
mP[8] << mP[9] << mP[10] << mP[11] << "'");
// float size
mBinaryFloatSize = (unsigned int)(P[12] - 48) * 1000
+ (unsigned int)(P[13] - 48) * 100
+ (unsigned int)(P[14] - 48) * 10
+ (unsigned int)(P[15] - 48);
mBinaryFloatSize = (unsigned int)(mP[12] - 48) * 1000
+ (unsigned int)(mP[13] - 48) * 100
+ (unsigned int)(mP[14] - 48) * 10
+ (unsigned int)(mP[15] - 48);
if( mBinaryFloatSize != 32 && mBinaryFloatSize != 64)
ThrowException( format() << "Unknown float size " << mBinaryFloatSize << " specified in xfile header." );
@@ -147,7 +148,7 @@ XFileParser::XFileParser( const std::vector<char>& pBuffer)
// The x format specifies size in bits, but we work in bytes
mBinaryFloatSize /= 8;
P += 16;
mP += 16;
// If this is a compressed X file, apply the inflate algorithm to it
if (compressed)
@@ -186,13 +187,13 @@ XFileParser::XFileParser( const std::vector<char>& pBuffer)
::inflateInit2(&stream, -MAX_WBITS);
// skip unknown data (checksum, flags?)
P += 6;
mP += 6;
// First find out how much storage we'll need. Count sections.
const char* P1 = P;
const char* P1 = mP;
unsigned int est_out = 0;
while (P1 + 3 < End)
while (P1 + 3 < mEnd)
{
// read next offset
uint16_t ofs = *((uint16_t*)P1);
@@ -216,18 +217,18 @@ XFileParser::XFileParser( const std::vector<char>& pBuffer)
// Allocate storage and terminating zero and do the actual uncompressing
uncompressed.resize(est_out + 1);
char* out = &uncompressed.front();
while (P + 3 < End)
while (mP + 3 < mEnd)
{
uint16_t ofs = *((uint16_t*)P);
uint16_t ofs = *((uint16_t*)mP);
AI_SWAP2(ofs);
P += 4;
mP += 4;
if (P + ofs > End + 2) {
if (mP + ofs > mEnd + 2) {
throw DeadlyImportError("X: Unexpected EOF in compressed chunk");
}
// push data to the stream
stream.next_in = (Bytef*)P;
stream.next_in = (Bytef*)mP;
stream.avail_in = ofs;
stream.next_out = (Bytef*)out;
stream.avail_out = MSZIP_BLOCK;
@@ -242,15 +243,15 @@ XFileParser::XFileParser( const std::vector<char>& pBuffer)
// and advance to the next offset
out += MSZIP_BLOCK - stream.avail_out;
P += ofs;
mP += ofs;
}
// terminate zlib
::inflateEnd(&stream);
// ok, update pointers to point to the uncompressed file data
P = &uncompressed[0];
End = out;
mP = &uncompressed[0];
mEnd = out;
// FIXME: we don't need the compressed data anymore, could release
// it already for better memory usage. Consider breaking const-co.
@@ -465,12 +466,11 @@ void XFileParser::ParseDataObjectMesh( Mesh* pMesh)
// read position faces
unsigned int numPosFaces = ReadInt();
pMesh->mPosFaces.resize( numPosFaces);
for( unsigned int a = 0; a < numPosFaces; a++)
{
for( unsigned int a = 0; a < numPosFaces; ++a) {
// read indices
unsigned int numIndices = ReadInt();
Face& face = pMesh->mPosFaces[a];
for (unsigned int b = 0; b < numIndices; b++) {
for (unsigned int b = 0; b < numIndices; ++b) {
face.mIndices.push_back( ReadInt() );
}
TestForSeparator();
@@ -478,11 +478,10 @@ void XFileParser::ParseDataObjectMesh( Mesh* pMesh)
// here, other data objects may follow
bool running = true;
while ( running )
{
while ( running ) {
std::string objectName = GetNextToken();
if( objectName.size() == 0)
if( objectName.empty() )
ThrowException( "Unexpected end of file while parsing mesh structure");
else
if( objectName == "}")
@@ -517,8 +516,10 @@ void XFileParser::ParseDataObjectMesh( Mesh* pMesh)
}
// ------------------------------------------------------------------------------------------------
void XFileParser::ParseDataObjectSkinWeights( Mesh *pMesh)
{
void XFileParser::ParseDataObjectSkinWeights( Mesh *pMesh) {
if ( nullptr == pMesh ) {
return;
}
readHeadOfDataObject();
std::string transformNodeName;
@@ -647,8 +648,8 @@ void XFileParser::ParseDataObjectMeshVertexColors( Mesh* pMesh)
if( !mIsBinaryFormat)
{
FindNextNoneWhiteSpace();
if( *P == ';' || *P == ',')
P++;
if( *mP == ';' || *mP == ',')
mP++;
}
}
@@ -678,8 +679,8 @@ void XFileParser::ParseDataObjectMeshMaterialList( Mesh* pMesh)
// commented out version check, as version 03.03 exported from blender also has 2 semicolons
if( !mIsBinaryFormat) // && MajorVersion == 3 && MinorVersion <= 2)
{
if(P < End && *P == ';')
++P;
if(mP < mEnd && *mP == ';')
++mP;
}
// if there was only a single material index, replicate it on all faces
@@ -1029,12 +1030,12 @@ void XFileParser::TestForSeparator()
return;
FindNextNoneWhiteSpace();
if( P >= End)
if( mP >= mEnd)
return;
// test and skip
if( *P == ';' || *P == ',')
P++;
if( *mP == ';' || *mP == ',')
mP++;
}
// ------------------------------------------------------------------------------------------------
@@ -1046,62 +1047,73 @@ void XFileParser::readHeadOfDataObject( std::string* poName)
if( poName)
*poName = nameOrBrace;
if( GetNextToken() != "{")
ThrowException( "Opening brace expected.");
if ( GetNextToken() != "{" ) {
delete mScene;
ThrowException( "Opening brace expected." );
}
}
}
// ------------------------------------------------------------------------------------------------
std::string XFileParser::GetNextToken()
{
std::string XFileParser::GetNextToken() {
std::string s;
// process binary-formatted file
if( mIsBinaryFormat)
{
if( mIsBinaryFormat) {
// in binary mode it will only return NAME and STRING token
// and (correctly) skip over other tokens.
if( End - P < 2) return s;
if ( mEnd - mP < 2 ) {
return s;
}
unsigned int tok = ReadBinWord();
unsigned int len;
// standalone tokens
switch( tok)
{
case 1:
switch( tok ) {
case 1: {
// name token
if( End - P < 4) return s;
if ( mEnd - mP < 4 ) {
return s;
}
len = ReadBinDWord();
if( End - P < int(len)) return s;
s = std::string(P, len);
P += len;
return s;
const int bounds( mEnd - mP );
const int iLen( len );
if ( iLen < 0 ) {
return s;
}
if ( bounds < iLen ) {
return s;
}
s = std::string( mP, len );
mP += len;
}
return s;
case 2:
// string token
if( End - P < 4) return s;
if( mEnd - mP < 4) return s;
len = ReadBinDWord();
if( End - P < int(len)) return s;
s = std::string(P, len);
P += (len + 2);
if( mEnd - mP < int(len)) return s;
s = std::string(mP, len);
mP += (len + 2);
return s;
case 3:
// integer token
P += 4;
mP += 4;
return "<integer>";
case 5:
// GUID token
P += 16;
mP += 16;
return "<guid>";
case 6:
if( End - P < 4) return s;
if( mEnd - mP < 4) return s;
len = ReadBinDWord();
P += (len * 4);
mP += (len * 4);
return "<int_list>";
case 7:
if( End - P < 4) return s;
if( mEnd - mP < 4) return s;
len = ReadBinDWord();
P += (len * mBinaryFloatSize);
mP += (len * mBinaryFloatSize);
return "<flt_list>";
case 0x0a:
return "{";
@@ -1159,19 +1171,19 @@ std::string XFileParser::GetNextToken()
else
{
FindNextNoneWhiteSpace();
if( P >= End)
if( mP >= mEnd)
return s;
while( (P < End) && !isspace( (unsigned char) *P))
while( (mP < mEnd) && !isspace( (unsigned char) *mP))
{
// either keep token delimiters when already holding a token, or return if first valid char
if( *P == ';' || *P == '}' || *P == '{' || *P == ',')
if( *mP == ';' || *mP == '}' || *mP == '{' || *mP == ',')
{
if( !s.size())
s.append( P++, 1);
s.append( mP++, 1);
break; // stop for delimiter
}
s.append( P++, 1);
s.append( mP++, 1);
}
}
return s;
@@ -1186,18 +1198,18 @@ void XFileParser::FindNextNoneWhiteSpace()
bool running = true;
while( running )
{
while( P < End && isspace( (unsigned char) *P))
while( mP < mEnd && isspace( (unsigned char) *mP))
{
if( *P == '\n')
if( *mP == '\n')
mLineNumber++;
++P;
++mP;
}
if( P >= End)
if( mP >= mEnd)
return;
// check if this is a comment
if( (P[0] == '/' && P[1] == '/') || P[0] == '#')
if( (mP[0] == '/' && mP[1] == '/') || mP[0] == '#')
ReadUntilEndOfLine();
else
break;
@@ -1214,22 +1226,30 @@ void XFileParser::GetNextTokenAsString( std::string& poString)
}
FindNextNoneWhiteSpace();
if( P >= End)
ThrowException( "Unexpected end of file while parsing string");
if ( mP >= mEnd ) {
delete mScene;
ThrowException( "Unexpected end of file while parsing string" );
}
if( *P != '"')
ThrowException( "Expected quotation mark.");
++P;
if ( *mP != '"' ) {
delete mScene;
ThrowException( "Expected quotation mark." );
}
++mP;
while( P < End && *P != '"')
poString.append( P++, 1);
while( mP < mEnd && *mP != '"')
poString.append( mP++, 1);
if( P >= End-1)
ThrowException( "Unexpected end of file while parsing string");
if ( mP >= mEnd - 1 ) {
delete mScene;
ThrowException( "Unexpected end of file while parsing string" );
}
if( P[1] != ';' || P[0] != '"')
ThrowException( "Expected quotation mark and semicolon at the end of a string.");
P+=2;
if ( mP[ 1 ] != ';' || mP[ 0 ] != '"' ) {
delete mScene;
ThrowException( "Expected quotation mark and semicolon at the end of a string." );
}
mP+=2;
}
// ------------------------------------------------------------------------------------------------
@@ -1238,35 +1258,35 @@ void XFileParser::ReadUntilEndOfLine()
if( mIsBinaryFormat)
return;
while( P < End)
while( mP < mEnd)
{
if( *P == '\n' || *P == '\r')
if( *mP == '\n' || *mP == '\r')
{
++P; mLineNumber++;
++mP; mLineNumber++;
return;
}
++P;
++mP;
}
}
// ------------------------------------------------------------------------------------------------
unsigned short XFileParser::ReadBinWord()
{
ai_assert(End - P >= 2);
const unsigned char* q = (const unsigned char*) P;
ai_assert(mEnd - mP >= 2);
const unsigned char* q = (const unsigned char*) mP;
unsigned short tmp = q[0] | (q[1] << 8);
P += 2;
mP += 2;
return tmp;
}
// ------------------------------------------------------------------------------------------------
unsigned int XFileParser::ReadBinDWord()
{
ai_assert(End - P >= 4);
const unsigned char* q = (const unsigned char*) P;
unsigned int XFileParser::ReadBinDWord() {
ai_assert(mEnd - mP >= 4);
const unsigned char* q = (const unsigned char*) mP;
unsigned int tmp = q[0] | (q[1] << 8) | (q[2] << 16) | (q[3] << 24);
P += 4;
mP += 4;
return tmp;
}
@@ -1275,20 +1295,20 @@ unsigned int XFileParser::ReadInt()
{
if( mIsBinaryFormat)
{
if( mBinaryNumCount == 0 && End - P >= 2)
if( mBinaryNumCount == 0 && mEnd - mP >= 2)
{
unsigned short tmp = ReadBinWord(); // 0x06 or 0x03
if( tmp == 0x06 && End - P >= 4) // array of ints follows
if( tmp == 0x06 && mEnd - mP >= 4) // array of ints follows
mBinaryNumCount = ReadBinDWord();
else // single int follows
mBinaryNumCount = 1;
}
--mBinaryNumCount;
if ( End - P >= 4) {
if ( mEnd - mP >= 4) {
return ReadBinDWord();
} else {
P = End;
mP = mEnd;
return 0;
}
} else
@@ -1299,24 +1319,24 @@ unsigned int XFileParser::ReadInt()
// check preceding minus sign
bool isNegative = false;
if( *P == '-')
if( *mP == '-')
{
isNegative = true;
P++;
mP++;
}
// at least one digit expected
if( !isdigit( *P))
if( !isdigit( *mP))
ThrowException( "Number expected.");
// read digits
unsigned int number = 0;
while( P < End)
while( mP < mEnd)
{
if( !isdigit( *P))
if( !isdigit( *mP))
break;
number = number * 10 + (*P - 48);
P++;
number = number * 10 + (*mP - 48);
mP++;
}
CheckForSeparator();
@@ -1329,34 +1349,35 @@ ai_real XFileParser::ReadFloat()
{
if( mIsBinaryFormat)
{
if( mBinaryNumCount == 0 && End - P >= 2)
if( mBinaryNumCount == 0 && mEnd - mP >= 2)
{
unsigned short tmp = ReadBinWord(); // 0x07 or 0x42
if( tmp == 0x07 && End - P >= 4) // array of floats following
if( tmp == 0x07 && mEnd - mP >= 4) // array of floats following
mBinaryNumCount = ReadBinDWord();
else // single float following
mBinaryNumCount = 1;
}
--mBinaryNumCount;
if( mBinaryFloatSize == 8)
{
if( End - P >= 8) {
ai_real result = (ai_real) (*(double*) P);
P += 8;
if( mBinaryFloatSize == 8) {
if( mEnd - mP >= 8) {
double res;
::memcpy( &res, mP, 8 );
mP += 8;
const ai_real result( static_cast<ai_real>( res ) );
return result;
} else {
P = End;
mP = mEnd;
return 0;
}
} else
{
if( End - P >= 4) {
ai_real result = *(ai_real*) P;
P += 4;
} else {
if( mEnd - mP >= 4) {
ai_real result;
::memcpy( &result, mP, 4 );
mP += 4;
return result;
} else {
P = End;
mP = mEnd;
return 0;
}
}
@@ -1367,21 +1388,21 @@ ai_real XFileParser::ReadFloat()
// check for various special strings to allow reading files from faulty exporters
// I mean you, Blender!
// Reading is safe because of the terminating zero
if( strncmp( P, "-1.#IND00", 9) == 0 || strncmp( P, "1.#IND00", 8) == 0)
if( strncmp( mP, "-1.#IND00", 9) == 0 || strncmp( mP, "1.#IND00", 8) == 0)
{
P += 9;
mP += 9;
CheckForSeparator();
return 0.0;
} else
if( strncmp( P, "1.#QNAN0", 8) == 0)
if( strncmp( mP, "1.#QNAN0", 8) == 0)
{
P += 8;
mP += 8;
CheckForSeparator();
return 0.0;
}
ai_real result = 0.0;
P = fast_atoreal_move<ai_real>( P, result);
mP = fast_atoreal_move<ai_real>( mP, result);
CheckForSeparator();
@@ -1438,15 +1459,14 @@ aiColor3D XFileParser::ReadRGB()
// ------------------------------------------------------------------------------------------------
// Throws an exception with a line number and the given text.
AI_WONT_RETURN void XFileParser::ThrowException( const std::string& pText)
{
if( mIsBinaryFormat)
throw DeadlyImportError( pText);
else
AI_WONT_RETURN void XFileParser::ThrowException( const std::string& pText) {
if ( mIsBinaryFormat ) {
throw DeadlyImportError( pText );
} else {
throw DeadlyImportError( format() << "Line " << mLineNumber << ": " << pText );
}
}
// ------------------------------------------------------------------------------------------------
// Filters the imported hierarchy for some degenerated cases that some exporters produce.
void XFileParser::FilterHierarchy( XFile::Node* pNode)

59
code/XFileParser.h
View File

@@ -49,10 +49,8 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include <assimp/types.h>
namespace Assimp
{
namespace XFile
{
namespace Assimp {
namespace XFile {
struct Node;
struct Mesh;
struct Scene;
@@ -61,21 +59,20 @@ namespace Assimp
struct AnimBone;
}
/** The XFileParser reads a XFile either in text or binary form and builds a temporary
* data structure out of it.
*/
class XFileParser
{
/**
* @brief The XFileParser reads a XFile either in text or binary form and builds a temporary
* data structure out of it.
*/
class XFileParser {
public:
/** Constructor. Creates a data structure out of the XFile given in the memory block.
* @param pBuffer Null-terminated memory buffer containing the XFile
*/
/// Constructor. Creates a data structure out of the XFile given in the memory block.
/// @param pBuffer Null-terminated memory buffer containing the XFile
explicit XFileParser( const std::vector<char>& pBuffer);
/** Destructor. Destroys all imported data along with it */
/// Destructor. Destroys all imported data along with it
~XFileParser();
/** Returns the temporary representation of the imported data */
/// Returns the temporary representation of the imported data.
XFile::Scene* GetImportedData() const { return mScene; }
protected:
@@ -101,10 +98,10 @@ protected:
//! places pointer to next begin of a token, and ignores comments
void FindNextNoneWhiteSpace();
//! returns next parseable token. Returns empty string if no token there
//! returns next valid token. Returns empty string if no token there
std::string GetNextToken();
//! reads header of dataobject including the opening brace.
//! reads header of data object including the opening brace.
//! returns false if error happened, and writes name of object
//! if there is one
void readHeadOfDataObject( std::string* poName = NULL);
@@ -118,8 +115,8 @@ protected:
//! checks for a separator char, either a ',' or a ';'
void CheckForSeparator();
/// tests and possibly consumes a separator char, but does nothing if there was no separator
void TestForSeparator();
/// tests and possibly consumes a separator char, but does nothing if there was no separator
void TestForSeparator();
//! reads a x file style string
void GetNextTokenAsString( std::string& poString);
@@ -138,27 +135,23 @@ protected:
/** Throws an exception with a line number and the given text. */
AI_WONT_RETURN void ThrowException( const std::string& pText) AI_WONT_RETURN_SUFFIX;
/** Filters the imported hierarchy for some degenerated cases that some exporters produce.
* @param pData The sub-hierarchy to filter
*/
/**
* @brief Filters the imported hierarchy for some degenerated cases that some exporters produce.
* @param pData The sub-hierarchy to filter
*/
void FilterHierarchy( XFile::Node* pNode);
protected:
unsigned int mMajorVersion, mMinorVersion; ///< version numbers
bool mIsBinaryFormat; ///< true if the file is in binary, false if it's in text form
unsigned int mBinaryFloatSize; ///< float size in bytes, either 4 or 8
// counter for number arrays in binary format
unsigned int mBinaryNumCount;
const char* P;
const char* End;
/// Line number when reading in text format
unsigned int mLineNumber;
/// Imported data
XFile::Scene* mScene;
unsigned int mBinaryNumCount; /// < counter for number arrays in binary format
const char* mP;
const char* mEnd;
unsigned int mLineNumber; ///< Line number when reading in text format
XFile::Scene* mScene; ///< Imported data
};
}
} //! ns Assimp
#endif // AI_XFILEPARSER_H_INC