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overte/libraries/fbx/src/FBXReader.cpp
Anthony J. Thibault fa5256eefd Merge branch 'master' into ajt/new-anim-system
2015-08-24 14:32:28 -07:00

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//
// FBXReader.cpp
// interface/src/renderer
//
// Created by Andrzej Kapolka on 9/18/13.
// Copyright 2013 High Fidelity, Inc.
//
// Distributed under the Apache License, Version 2.0.
// See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
//
#include <iostream>
#include <QBuffer>
#include <QDataStream>
#include <QIODevice>
#include <QStringList>
#include <QTextStream>
#include <QtDebug>
#include <QtEndian>
#include <QFileInfo>
#include <glm/gtc/quaternion.hpp>
#include <glm/gtx/quaternion.hpp>
#include <glm/gtx/transform.hpp>
#include <FaceshiftConstants.h>
#include <GeometryUtil.h>
#include <GLMHelpers.h>
#include <NumericalConstants.h>
#include <OctalCode.h>
#include <gpu/Format.h>
#include <LogHandler.h>
#include "FBXReader.h"
#include "ModelFormatLogging.h"
// TOOL: Uncomment the following line to enable the filtering of all the unkwnon fields of a node so we can break point easily while loading a model with problems...
//#define DEBUG_FBXREADER
using namespace std;
struct TextureParam {
glm::vec2 UVTranslation;
glm::vec2 UVScaling;
glm::vec4 cropping;
QString UVSet;
glm::vec3 translation;
glm::vec3 rotation;
glm::vec3 scaling;
uint8_t alphaSource;
uint8_t currentTextureBlendMode;
bool useMaterial;
template <typename T>
bool assign(T& ref, const T& v) {
if (ref == v) {
return false;
} else {
ref = v;
isDefault = false;
return true;
}
}
bool isDefault;
TextureParam() :
UVTranslation(0.0f),
UVScaling(1.0f),
cropping(0.0f),
UVSet("map1"),
translation(0.0f),
rotation(0.0f),
scaling(1.0f),
alphaSource(0),
currentTextureBlendMode(0),
useMaterial(true),
isDefault(true)
{}
};
bool FBXMesh::hasSpecularTexture() const {
foreach (const FBXMeshPart& part, parts) {
if (!part.specularTexture.filename.isEmpty()) {
return true;
}
}
return false;
}
bool FBXMesh::hasEmissiveTexture() const {
foreach (const FBXMeshPart& part, parts) {
if (!part.emissiveTexture.filename.isEmpty()) {
return true;
}
}
return false;
}
QStringList FBXGeometry::getJointNames() const {
QStringList names;
foreach (const FBXJoint& joint, joints) {
names.append(joint.name);
}
return names;
}
bool FBXGeometry::hasBlendedMeshes() const {
foreach (const FBXMesh& mesh, meshes) {
if (!mesh.blendshapes.isEmpty()) {
return true;
}
}
return false;
}
Extents FBXGeometry::getUnscaledMeshExtents() const {
const Extents& extents = meshExtents;
// even though our caller asked for "unscaled" we need to include any fst scaling, translation, and rotation, which
// is captured in the offset matrix
glm::vec3 minimum = glm::vec3(offset * glm::vec4(extents.minimum, 1.0f));
glm::vec3 maximum = glm::vec3(offset * glm::vec4(extents.maximum, 1.0f));
Extents scaledExtents = { minimum, maximum };
return scaledExtents;
}
// TODO: Move to model::Mesh when Sam's ready
bool FBXGeometry::convexHullContains(const glm::vec3& point) const {
if (!getUnscaledMeshExtents().containsPoint(point)) {
return false;
}
auto checkEachPrimitive = [=](FBXMesh& mesh, QVector<int> indices, int primitiveSize) -> bool {
// Check whether the point is "behind" all the primitives.
for (int j = 0; j < indices.size(); j += primitiveSize) {
if (!isPointBehindTrianglesPlane(point,
mesh.vertices[indices[j]],
mesh.vertices[indices[j + 1]],
mesh.vertices[indices[j + 2]])) {
// it's not behind at least one so we bail
return false;
}
}
return true;
};
// Check that the point is contained in at least one convex mesh.
for (auto mesh : meshes) {
bool insideMesh = true;
// To be considered inside a convex mesh,
// the point needs to be "behind" all the primitives respective planes.
for (auto part : mesh.parts) {
// run through all the triangles and quads
if (!checkEachPrimitive(mesh, part.triangleIndices, 3) ||
!checkEachPrimitive(mesh, part.quadIndices, 4)) {
// If not, the point is outside, bail for this mesh
insideMesh = false;
continue;
}
}
if (insideMesh) {
// It's inside this mesh, return true.
return true;
}
}
// It wasn't in any mesh, return false.
return false;
}
QString FBXGeometry::getModelNameOfMesh(int meshIndex) const {
if (meshIndicesToModelNames.contains(meshIndex)) {
return meshIndicesToModelNames.value(meshIndex);
}
return QString();
}
static int fbxGeometryMetaTypeId = qRegisterMetaType<FBXGeometry>();
static int fbxAnimationFrameMetaTypeId = qRegisterMetaType<FBXAnimationFrame>();
static int fbxAnimationFrameVectorMetaTypeId = qRegisterMetaType<QVector<FBXAnimationFrame> >();
template<class T> int streamSize() {
return sizeof(T);
}
template<bool> int streamSize() {
return 1;
}
template<class T> QVariant readBinaryArray(QDataStream& in, int& position) {
quint32 arrayLength;
quint32 encoding;
quint32 compressedLength;
in >> arrayLength;
in >> encoding;
in >> compressedLength;
position += sizeof(quint32) * 3;
QVector<T> values;
const unsigned int DEFLATE_ENCODING = 1;
if (encoding == DEFLATE_ENCODING) {
// preface encoded data with uncompressed length
QByteArray compressed(sizeof(quint32) + compressedLength, 0);
*((quint32*)compressed.data()) = qToBigEndian<quint32>(arrayLength * sizeof(T));
in.readRawData(compressed.data() + sizeof(quint32), compressedLength);
position += compressedLength;
QByteArray uncompressed = qUncompress(compressed);
QDataStream uncompressedIn(uncompressed);
uncompressedIn.setByteOrder(QDataStream::LittleEndian);
uncompressedIn.setVersion(QDataStream::Qt_4_5); // for single/double precision switch
for (quint32 i = 0; i < arrayLength; i++) {
T value;
uncompressedIn >> value;
values.append(value);
}
} else {
for (quint32 i = 0; i < arrayLength; i++) {
T value;
in >> value;
position += streamSize<T>();
values.append(value);
}
}
return QVariant::fromValue(values);
}
QVariant parseBinaryFBXProperty(QDataStream& in, int& position) {
char ch;
in.device()->getChar(&ch);
position++;
switch (ch) {
case 'Y': {
qint16 value;
in >> value;
position += sizeof(qint16);
return QVariant::fromValue(value);
}
case 'C': {
bool value;
in >> value;
position++;
return QVariant::fromValue(value);
}
case 'I': {
qint32 value;
in >> value;
position += sizeof(qint32);
return QVariant::fromValue(value);
}
case 'F': {
float value;
in >> value;
position += sizeof(float);
return QVariant::fromValue(value);
}
case 'D': {
double value;
in >> value;
position += sizeof(double);
return QVariant::fromValue(value);
}
case 'L': {
qint64 value;
in >> value;
position += sizeof(qint64);
return QVariant::fromValue(value);
}
case 'f': {
return readBinaryArray<float>(in, position);
}
case 'd': {
return readBinaryArray<double>(in, position);
}
case 'l': {
return readBinaryArray<qint64>(in, position);
}
case 'i': {
return readBinaryArray<qint32>(in, position);
}
case 'b': {
return readBinaryArray<bool>(in, position);
}
case 'S':
case 'R': {
quint32 length;
in >> length;
position += sizeof(quint32) + length;
return QVariant::fromValue(in.device()->read(length));
}
default:
throw QString("Unknown property type: ") + ch;
}
}
FBXNode parseBinaryFBXNode(QDataStream& in, int& position) {
qint32 endOffset;
quint32 propertyCount;
quint32 propertyListLength;
quint8 nameLength;
in >> endOffset;
in >> propertyCount;
in >> propertyListLength;
in >> nameLength;
position += sizeof(quint32) * 3 + sizeof(quint8);
FBXNode node;
const int MIN_VALID_OFFSET = 40;
if (endOffset < MIN_VALID_OFFSET || nameLength == 0) {
// use a null name to indicate a null node
return node;
}
node.name = in.device()->read(nameLength);
position += nameLength;
for (quint32 i = 0; i < propertyCount; i++) {
node.properties.append(parseBinaryFBXProperty(in, position));
}
while (endOffset > position) {
FBXNode child = parseBinaryFBXNode(in, position);
if (child.name.isNull()) {
return node;
} else {
node.children.append(child);
}
}
return node;
}
class Tokenizer {
public:
Tokenizer(QIODevice* device) : _device(device), _pushedBackToken(-1) { }
enum SpecialToken {
NO_TOKEN = -1,
NO_PUSHBACKED_TOKEN = -1,
DATUM_TOKEN = 0x100
};
int nextToken();
const QByteArray& getDatum() const { return _datum; }
void pushBackToken(int token) { _pushedBackToken = token; }
void ungetChar(char ch) { _device->ungetChar(ch); }
private:
QIODevice* _device;
QByteArray _datum;
int _pushedBackToken;
};
int Tokenizer::nextToken() {
if (_pushedBackToken != NO_PUSHBACKED_TOKEN) {
int token = _pushedBackToken;
_pushedBackToken = NO_PUSHBACKED_TOKEN;
return token;
}
char ch;
while (_device->getChar(&ch)) {
if (QChar(ch).isSpace()) {
continue; // skip whitespace
}
switch (ch) {
case ';':
_device->readLine(); // skip the comment
break;
case ':':
case '{':
case '}':
case ',':
return ch; // special punctuation
case '\"':
_datum = "";
while (_device->getChar(&ch)) {
if (ch == '\"') { // end on closing quote
break;
}
if (ch == '\\') { // handle escaped quotes
if (_device->getChar(&ch) && ch != '\"') {
_datum.append('\\');
}
}
_datum.append(ch);
}
return DATUM_TOKEN;
default:
_datum = "";
_datum.append(ch);
while (_device->getChar(&ch)) {
if (QChar(ch).isSpace() || ch == ';' || ch == ':' || ch == '{' || ch == '}' || ch == ',' || ch == '\"') {
ungetChar(ch); // read until we encounter a special character, then replace it
break;
}
_datum.append(ch);
}
return DATUM_TOKEN;
}
}
return NO_TOKEN;
}
FBXNode parseTextFBXNode(Tokenizer& tokenizer) {
FBXNode node;
if (tokenizer.nextToken() != Tokenizer::DATUM_TOKEN) {
return node;
}
node.name = tokenizer.getDatum();
if (tokenizer.nextToken() != ':') {
return node;
}
int token;
bool expectingDatum = true;
while ((token = tokenizer.nextToken()) != Tokenizer::NO_TOKEN) {
if (token == '{') {
for (FBXNode child = parseTextFBXNode(tokenizer); !child.name.isNull(); child = parseTextFBXNode(tokenizer)) {
node.children.append(child);
}
return node;
}
if (token == ',') {
expectingDatum = true;
} else if (token == Tokenizer::DATUM_TOKEN && expectingDatum) {
QByteArray datum = tokenizer.getDatum();
if ((token = tokenizer.nextToken()) == ':') {
tokenizer.ungetChar(':');
tokenizer.pushBackToken(Tokenizer::DATUM_TOKEN);
return node;
} else {
tokenizer.pushBackToken(token);
node.properties.append(datum);
expectingDatum = false;
}
} else {
tokenizer.pushBackToken(token);
return node;
}
}
return node;
}
FBXNode parseFBX(QIODevice* device) {
// verify the prolog
const QByteArray BINARY_PROLOG = "Kaydara FBX Binary ";
if (device->peek(BINARY_PROLOG.size()) != BINARY_PROLOG) {
// parse as a text file
FBXNode top;
Tokenizer tokenizer(device);
while (device->bytesAvailable()) {
FBXNode next = parseTextFBXNode(tokenizer);
if (next.name.isNull()) {
return top;
} else {
top.children.append(next);
}
}
return top;
}
QDataStream in(device);
in.setByteOrder(QDataStream::LittleEndian);
in.setVersion(QDataStream::Qt_4_5); // for single/double precision switch
// see http://code.blender.org/index.php/2013/08/fbx-binary-file-format-specification/ for an explanation
// of the FBX binary format
// skip the rest of the header
const int HEADER_SIZE = 27;
in.skipRawData(HEADER_SIZE);
int position = HEADER_SIZE;
// parse the top-level node
FBXNode top;
while (device->bytesAvailable()) {
FBXNode next = parseBinaryFBXNode(in, position);
if (next.name.isNull()) {
return top;
} else {
top.children.append(next);
}
}
return top;
}
QVector<glm::vec4> createVec4Vector(const QVector<double>& doubleVector) {
QVector<glm::vec4> values;
for (const double* it = doubleVector.constData(), *end = it + ((doubleVector.size() / 4) * 4); it != end; ) {
float x = *it++;
float y = *it++;
float z = *it++;
float w = *it++;
values.append(glm::vec4(x, y, z, w));
}
return values;
}
QVector<glm::vec4> createVec4VectorRGBA(const QVector<double>& doubleVector, glm::vec4& average) {
QVector<glm::vec4> values;
for (const double* it = doubleVector.constData(), *end = it + ((doubleVector.size() / 4) * 4); it != end; ) {
float x = *it++;
float y = *it++;
float z = *it++;
float w = *it++;
auto val = glm::vec4(x, y, z, w);
values.append(val);
average += val;
}
if (!values.isEmpty()) {
average *= (1.0f / float(values.size()));
}
return values;
}
QVector<glm::vec3> createVec3Vector(const QVector<double>& doubleVector) {
QVector<glm::vec3> values;
for (const double* it = doubleVector.constData(), *end = it + ((doubleVector.size() / 3) * 3); it != end; ) {
float x = *it++;
float y = *it++;
float z = *it++;
values.append(glm::vec3(x, y, z));
}
return values;
}
QVector<glm::vec2> createVec2Vector(const QVector<double>& doubleVector) {
QVector<glm::vec2> values;
for (const double* it = doubleVector.constData(), *end = it + ((doubleVector.size() / 2) * 2); it != end; ) {
float s = *it++;
float t = *it++;
values.append(glm::vec2(s, -t));
}
return values;
}
glm::mat4 createMat4(const QVector<double>& doubleVector) {
return glm::mat4(doubleVector.at(0), doubleVector.at(1), doubleVector.at(2), doubleVector.at(3),
doubleVector.at(4), doubleVector.at(5), doubleVector.at(6), doubleVector.at(7),
doubleVector.at(8), doubleVector.at(9), doubleVector.at(10), doubleVector.at(11),
doubleVector.at(12), doubleVector.at(13), doubleVector.at(14), doubleVector.at(15));
}
QVector<int> getIntVector(const FBXNode& node) {
foreach (const FBXNode& child, node.children) {
if (child.name == "a") {
return getIntVector(child);
}
}
if (node.properties.isEmpty()) {
return QVector<int>();
}
QVector<int> vector = node.properties.at(0).value<QVector<int> >();
if (!vector.isEmpty()) {
return vector;
}
for (int i = 0; i < node.properties.size(); i++) {
vector.append(node.properties.at(i).toInt());
}
return vector;
}
QVector<float> getFloatVector(const FBXNode& node) {
foreach (const FBXNode& child, node.children) {
if (child.name == "a") {
return getFloatVector(child);
}
}
if (node.properties.isEmpty()) {
return QVector<float>();
}
QVector<float> vector = node.properties.at(0).value<QVector<float> >();
if (!vector.isEmpty()) {
return vector;
}
for (int i = 0; i < node.properties.size(); i++) {
vector.append(node.properties.at(i).toFloat());
}
return vector;
}
QVector<double> getDoubleVector(const FBXNode& node) {
foreach (const FBXNode& child, node.children) {
if (child.name == "a") {
return getDoubleVector(child);
}
}
if (node.properties.isEmpty()) {
return QVector<double>();
}
QVector<double> vector = node.properties.at(0).value<QVector<double> >();
if (!vector.isEmpty()) {
return vector;
}
for (int i = 0; i < node.properties.size(); i++) {
vector.append(node.properties.at(i).toDouble());
}
return vector;
}
glm::vec3 getVec3(const QVariantList& properties, int index) {
return glm::vec3(properties.at(index).value<double>(), properties.at(index + 1).value<double>(),
properties.at(index + 2).value<double>());
}
glm::vec3 parseVec3(const QString& string) {
QStringList elements = string.split(',');
if (elements.isEmpty()) {
return glm::vec3();
}
glm::vec3 value;
for (int i = 0; i < 3; i++) {
// duplicate last value if there aren't three elements
value[i] = elements.at(min(i, elements.size() - 1)).trimmed().toFloat();
}
return value;
}
QString processID(const QString& id) {
// Blender (at least) prepends a type to the ID, so strip it out
return id.mid(id.lastIndexOf(':') + 1);
}
QString getName(const QVariantList& properties) {
QString name;
if (properties.size() == 3) {
name = properties.at(1).toString();
name = processID(name.left(name.indexOf(QChar('\0'))));
} else {
name = processID(properties.at(0).toString());
}
return name;
}
QString getID(const QVariantList& properties, int index = 0) {
return processID(properties.at(index).toString());
}
const char* HUMANIK_JOINTS[] = {
"RightHand",
"RightForeArm",
"RightArm",
"Head",
"LeftArm",
"LeftForeArm",
"LeftHand",
"Neck",
"Spine",
"Hips",
"RightUpLeg",
"LeftUpLeg",
"RightLeg",
"LeftLeg",
"RightFoot",
"LeftFoot",
""
};
class FBXModel {
public:
QString name;
int parentIndex;
glm::vec3 translation;
glm::mat4 preTransform;
glm::quat preRotation;
glm::quat rotation;
glm::quat postRotation;
glm::mat4 postTransform;
glm::vec3 rotationMin; // radians
glm::vec3 rotationMax; // radians
};
glm::mat4 getGlobalTransform(const QMultiHash<QString, QString>& parentMap,
const QHash<QString, FBXModel>& models, QString nodeID, bool mixamoHack) {
glm::mat4 globalTransform;
while (!nodeID.isNull()) {
const FBXModel& model = models.value(nodeID);
globalTransform = glm::translate(model.translation) * model.preTransform * glm::mat4_cast(model.preRotation *
model.rotation * model.postRotation) * model.postTransform * globalTransform;
if (mixamoHack) {
// there's something weird about the models from Mixamo Fuse; they don't skin right with the full transform
return globalTransform;
}
QList<QString> parentIDs = parentMap.values(nodeID);
nodeID = QString();
foreach (const QString& parentID, parentIDs) {
if (models.contains(parentID)) {
nodeID = parentID;
break;
}
}
}
return globalTransform;
}
class ExtractedBlendshape {
public:
QString id;
FBXBlendshape blendshape;
};
void printNode(const FBXNode& node, int indentLevel) {
int indentLength = 2;
QByteArray spaces(indentLevel * indentLength, ' ');
QDebug nodeDebug = qDebug(modelformat);
nodeDebug.nospace() << spaces.data() << node.name.data() << ": ";
foreach (const QVariant& property, node.properties) {
nodeDebug << property;
}
foreach (const FBXNode& child, node.children) {
printNode(child, indentLevel + 1);
}
}
class Material {
public:
glm::vec3 diffuse;
glm::vec3 specular;
glm::vec3 emissive;
float shininess;
float opacity;
QString id;
model::MaterialPointer _material;
};
class Cluster {
public:
QVector<int> indices;
QVector<double> weights;
glm::mat4 transformLink;
};
void appendModelIDs(const QString& parentID, const QMultiHash<QString, QString>& childMap,
QHash<QString, FBXModel>& models, QSet<QString>& remainingModels, QVector<QString>& modelIDs) {
if (remainingModels.contains(parentID)) {
modelIDs.append(parentID);
remainingModels.remove(parentID);
}
int parentIndex = modelIDs.size() - 1;
foreach (const QString& childID, childMap.values(parentID)) {
if (remainingModels.contains(childID)) {
FBXModel& model = models[childID];
if (model.parentIndex == -1) {
model.parentIndex = parentIndex;
appendModelIDs(childID, childMap, models, remainingModels, modelIDs);
}
}
}
}
class Vertex {
public:
int originalIndex;
glm::vec2 texCoord;
glm::vec2 texCoord1;
};
uint qHash(const Vertex& vertex, uint seed = 0) {
return qHash(vertex.originalIndex, seed);
}
bool operator==(const Vertex& v1, const Vertex& v2) {
return v1.originalIndex == v2.originalIndex && v1.texCoord == v2.texCoord && v1.texCoord1 == v2.texCoord1;
}
class ExtractedMesh {
public:
FBXMesh mesh;
QMultiHash<int, int> newIndices;
QVector<QHash<int, int> > blendshapeIndexMaps;
QVector<QPair<int, int> > partMaterialTextures;
QHash<QString, int> texcoordSetMap;
std::map<QString, int> texcoordSetMap2;
};
class AttributeData {
public:
QVector<glm::vec2> texCoords;
QVector<int> texCoordIndices;
QString name;
int index;
};
class MeshData {
public:
ExtractedMesh extracted;
QVector<glm::vec3> vertices;
QVector<int> polygonIndices;
bool normalsByVertex;
QVector<glm::vec3> normals;
QVector<int> normalIndices;
bool colorsByVertex;
glm::vec4 averageColor{1.0f, 1.0f, 1.0f, 1.0f};
QVector<glm::vec4> colors;
QVector<int> colorIndices;
QVector<glm::vec2> texCoords;
QVector<int> texCoordIndices;
QHash<Vertex, int> indices;
std::vector<AttributeData> attributes;
};
gpu::BufferPointer FBXMeshPart::getTrianglesForQuads() const {
// if we've been asked for our triangulation of the original quads, but we don't yet have them
// then create them now.
if (!trianglesForQuadsAvailable) {
trianglesForQuadsAvailable = true;
quadsAsTrianglesIndicesBuffer = std::make_shared<gpu::Buffer>();
// QVector<int> quadIndices; // original indices from the FBX mesh
QVector<quint32> quadsAsTrianglesIndices; // triangle versions of quads converted when first needed
const int INDICES_PER_ORIGINAL_QUAD = 4;
const int INDICES_PER_TRIANGULATED_QUAD = 6;
int numberOfQuads = quadIndices.size() / INDICES_PER_ORIGINAL_QUAD;
quadsAsTrianglesIndices.resize(numberOfQuads * INDICES_PER_TRIANGULATED_QUAD);
int originalIndex = 0;
int triangulatedIndex = 0;
for (int fromQuad = 0; fromQuad < numberOfQuads; fromQuad++) {
int i0 = quadIndices[originalIndex + 0];
int i1 = quadIndices[originalIndex + 1];
int i2 = quadIndices[originalIndex + 2];
int i3 = quadIndices[originalIndex + 3];
// Sam's recommended triangle slices
// Triangle tri1 = { v0, v1, v3 };
// Triangle tri2 = { v1, v2, v3 };
// NOTE: Random guy on the internet's recommended triangle slices
// Triangle tri1 = { v0, v1, v2 };
// Triangle tri2 = { v2, v3, v0 };
quadsAsTrianglesIndices[triangulatedIndex + 0] = i0;
quadsAsTrianglesIndices[triangulatedIndex + 1] = i1;
quadsAsTrianglesIndices[triangulatedIndex + 2] = i3;
quadsAsTrianglesIndices[triangulatedIndex + 3] = i1;
quadsAsTrianglesIndices[triangulatedIndex + 4] = i2;
quadsAsTrianglesIndices[triangulatedIndex + 5] = i3;
originalIndex += INDICES_PER_ORIGINAL_QUAD;
triangulatedIndex += INDICES_PER_TRIANGULATED_QUAD;
}
trianglesForQuadsIndicesCount = INDICES_PER_TRIANGULATED_QUAD * numberOfQuads;
quadsAsTrianglesIndicesBuffer->append(quadsAsTrianglesIndices.size() * sizeof(quint32), (gpu::Byte*)quadsAsTrianglesIndices.data());
}
return quadsAsTrianglesIndicesBuffer;
}
void appendIndex(MeshData& data, QVector<int>& indices, int index) {
if (index >= data.polygonIndices.size()) {
return;
}
int vertexIndex = data.polygonIndices.at(index);
if (vertexIndex < 0) {
vertexIndex = -vertexIndex - 1;
}
Vertex vertex;
vertex.originalIndex = vertexIndex;
glm::vec3 position;
if (vertexIndex < data.vertices.size()) {
position = data.vertices.at(vertexIndex);
}
glm::vec3 normal;
int normalIndex = data.normalsByVertex ? vertexIndex : index;
if (data.normalIndices.isEmpty()) {
if (normalIndex < data.normals.size()) {
normal = data.normals.at(normalIndex);
}
} else if (normalIndex < data.normalIndices.size()) {
normalIndex = data.normalIndices.at(normalIndex);
if (normalIndex >= 0 && normalIndex < data.normals.size()) {
normal = data.normals.at(normalIndex);
}
}
glm::vec4 color;
bool hasColors = (data.colors.size() > 1);
if (hasColors) {
int colorIndex = data.colorsByVertex ? vertexIndex : index;
if (data.colorIndices.isEmpty()) {
if (colorIndex < data.colors.size()) {
color = data.colors.at(colorIndex);
}
} else if (colorIndex < data.colorIndices.size()) {
colorIndex = data.colorIndices.at(colorIndex);
if (colorIndex >= 0 && colorIndex < data.colors.size()) {
color = data.colors.at(colorIndex);
}
}
}
if (data.texCoordIndices.isEmpty()) {
if (index < data.texCoords.size()) {
vertex.texCoord = data.texCoords.at(index);
}
} else if (index < data.texCoordIndices.size()) {
int texCoordIndex = data.texCoordIndices.at(index);
if (texCoordIndex >= 0 && texCoordIndex < data.texCoords.size()) {
vertex.texCoord = data.texCoords.at(texCoordIndex);
}
}
bool hasMoreTexcoords = (data.attributes.size() > 1);
if (hasMoreTexcoords) {
if (data.attributes[1].texCoordIndices.empty()) {
if (index < data.attributes[1].texCoords.size()) {
vertex.texCoord1 = data.attributes[1].texCoords.at(index);
}
} else if (index < data.attributes[1].texCoordIndices.size()) {
int texCoordIndex = data.attributes[1].texCoordIndices.at(index);
if (texCoordIndex >= 0 && texCoordIndex < data.attributes[1].texCoords.size()) {
vertex.texCoord1 = data.attributes[1].texCoords.at(texCoordIndex);
}
}
}
QHash<Vertex, int>::const_iterator it = data.indices.find(vertex);
if (it == data.indices.constEnd()) {
int newIndex = data.extracted.mesh.vertices.size();
indices.append(newIndex);
data.indices.insert(vertex, newIndex);
data.extracted.newIndices.insert(vertexIndex, newIndex);
data.extracted.mesh.vertices.append(position);
data.extracted.mesh.normals.append(normal);
data.extracted.mesh.texCoords.append(vertex.texCoord);
if (hasColors) {
data.extracted.mesh.colors.append(glm::vec3(color));
}
if (hasMoreTexcoords) {
data.extracted.mesh.texCoords1.append(vertex.texCoord1);
}
} else {
indices.append(*it);
data.extracted.mesh.normals[*it] += normal;
}
}
ExtractedMesh extractMesh(const FBXNode& object, unsigned int& meshIndex) {
MeshData data;
data.extracted.mesh.meshIndex = meshIndex++;
QVector<int> materials;
QVector<int> textures;
bool isMaterialPerPolygon = false;
foreach (const FBXNode& child, object.children) {
if (child.name == "Vertices") {
data.vertices = createVec3Vector(getDoubleVector(child));
} else if (child.name == "PolygonVertexIndex") {
data.polygonIndices = getIntVector(child);
} else if (child.name == "LayerElementNormal") {
data.normalsByVertex = false;
bool indexToDirect = false;
foreach (const FBXNode& subdata, child.children) {
if (subdata.name == "Normals") {
data.normals = createVec3Vector(getDoubleVector(subdata));
} else if (subdata.name == "NormalsIndex") {
data.normalIndices = getIntVector(subdata);
} else if (subdata.name == "MappingInformationType" && subdata.properties.at(0) == "ByVertice") {
data.normalsByVertex = true;
} else if (subdata.name == "ReferenceInformationType" && subdata.properties.at(0) == "IndexToDirect") {
indexToDirect = true;
}
}
if (indexToDirect && data.normalIndices.isEmpty()) {
// hack to work around wacky Makehuman exports
data.normalsByVertex = true;
}
} else if (child.name == "LayerElementColor") {
data.colorsByVertex = false;
bool indexToDirect = false;
foreach (const FBXNode& subdata, child.children) {
if (subdata.name == "Colors") {
data.colors = createVec4VectorRGBA(getDoubleVector(subdata), data.averageColor);
} else if (subdata.name == "ColorsIndex") {
data.colorIndices = getIntVector(subdata);
} else if (subdata.name == "MappingInformationType" && subdata.properties.at(0) == "ByVertice") {
data.colorsByVertex = true;
} else if (subdata.name == "ReferenceInformationType" && subdata.properties.at(0) == "IndexToDirect") {
indexToDirect = true;
}
}
if (indexToDirect && data.normalIndices.isEmpty()) {
// hack to work around wacky Makehuman exports
data.colorsByVertex = true;
}
#if defined(FBXREADER_KILL_BLACK_COLOR_ATTRIBUTE)
// Potential feature where we decide to kill the color attribute is to dark?
// Tested with the model:
// https://hifi-public.s3.amazonaws.com/ryan/gardenLight2.fbx
// let's check if we did have true data ?
if (glm::all(glm::lessThanEqual(data.averageColor, glm::vec4(0.09f)))) {
data.colors.clear();
data.colorIndices.clear();
data.colorsByVertex = false;
qCDebug(modelformat) << "LayerElementColor has an average value of 0.0f... let's forget it.";
}
#endif
} else if (child.name == "LayerElementUV") {
if (child.properties.at(0).toInt() == 0) {
AttributeData attrib;
attrib.index = child.properties.at(0).toInt();
foreach (const FBXNode& subdata, child.children) {
if (subdata.name == "UV") {
data.texCoords = createVec2Vector(getDoubleVector(subdata));
attrib.texCoords = createVec2Vector(getDoubleVector(subdata));
} else if (subdata.name == "UVIndex") {
data.texCoordIndices = getIntVector(subdata);
attrib.texCoordIndices = getIntVector(subdata);
} else if (subdata.name == "Name") {
attrib.name = subdata.properties.at(0).toString();
}
#if defined(DEBUG_FBXREADER)
else {
int unknown = 0;
QString subname = subdata.name.data();
if ( (subdata.name == "Version")
|| (subdata.name == "MappingInformationType")
|| (subdata.name == "ReferenceInformationType") ) {
} else {
unknown++;
}
}
#endif
}
data.extracted.texcoordSetMap.insert(attrib.name, data.attributes.size());
data.attributes.push_back(attrib);
} else {
AttributeData attrib;
attrib.index = child.properties.at(0).toInt();
foreach (const FBXNode& subdata, child.children) {
if (subdata.name == "UV") {
attrib.texCoords = createVec2Vector(getDoubleVector(subdata));
} else if (subdata.name == "UVIndex") {
attrib.texCoordIndices = getIntVector(subdata);
} else if (subdata.name == "Name") {
attrib.name = subdata.properties.at(0).toString();
}
#if defined(DEBUG_FBXREADER)
else {
int unknown = 0;
QString subname = subdata.name.data();
if ( (subdata.name == "Version")
|| (subdata.name == "MappingInformationType")
|| (subdata.name == "ReferenceInformationType") ) {
} else {
unknown++;
}
}
#endif
}
QHash<QString, int>::iterator it = data.extracted.texcoordSetMap.find(attrib.name);
if (it == data.extracted.texcoordSetMap.end()) {
data.extracted.texcoordSetMap.insert(attrib.name, data.attributes.size());
data.attributes.push_back(attrib);
} else {
// WTF same names for different UVs?
qCDebug(modelformat) << "LayerElementUV #" << attrib.index << " is reusing the same name as #" << (*it) << ". Skip this texcoord attribute.";
}
}
} else if (child.name == "LayerElementMaterial") {
foreach (const FBXNode& subdata, child.children) {
if (subdata.name == "Materials") {
materials = getIntVector(subdata);
} else if (subdata.name == "MappingInformationType") {
if (subdata.properties.at(0) == "ByPolygon")
isMaterialPerPolygon = true;
} else {
isMaterialPerPolygon = false;
}
}
} else if (child.name == "LayerElementTexture") {
foreach (const FBXNode& subdata, child.children) {
if (subdata.name == "TextureId") {
textures = getIntVector(subdata);
}
}
}
}
bool isMultiMaterial = false;
if (isMaterialPerPolygon) {
isMultiMaterial = true;
}
// convert the polygons to quads and triangles
int polygonIndex = 0;
QHash<QPair<int, int>, int> materialTextureParts;
for (int beginIndex = 0; beginIndex < data.polygonIndices.size(); polygonIndex++) {
int endIndex = beginIndex;
while (endIndex < data.polygonIndices.size() && data.polygonIndices.at(endIndex++) >= 0);
QPair<int, int> materialTexture((polygonIndex < materials.size()) ? materials.at(polygonIndex) : 0,
(polygonIndex < textures.size()) ? textures.at(polygonIndex) : 0);
int& partIndex = materialTextureParts[materialTexture];
if (partIndex == 0) {
data.extracted.partMaterialTextures.append(materialTexture);
data.extracted.mesh.parts.resize(data.extracted.mesh.parts.size() + 1);
partIndex = data.extracted.mesh.parts.size();
}
FBXMeshPart& part = data.extracted.mesh.parts[partIndex - 1];
if (endIndex - beginIndex == 4) {
appendIndex(data, part.quadIndices, beginIndex++);
appendIndex(data, part.quadIndices, beginIndex++);
appendIndex(data, part.quadIndices, beginIndex++);
appendIndex(data, part.quadIndices, beginIndex++);
} else {
for (int nextIndex = beginIndex + 1;; ) {
appendIndex(data, part.triangleIndices, beginIndex);
appendIndex(data, part.triangleIndices, nextIndex++);
appendIndex(data, part.triangleIndices, nextIndex);
if (nextIndex >= data.polygonIndices.size() || data.polygonIndices.at(nextIndex) < 0) {
break;
}
}
beginIndex = endIndex;
}
}
return data.extracted;
}
FBXBlendshape extractBlendshape(const FBXNode& object) {
FBXBlendshape blendshape;
foreach (const FBXNode& data, object.children) {
if (data.name == "Indexes") {
blendshape.indices = getIntVector(data);
} else if (data.name == "Vertices") {
blendshape.vertices = createVec3Vector(getDoubleVector(data));
} else if (data.name == "Normals") {
blendshape.normals = createVec3Vector(getDoubleVector(data));
}
}
return blendshape;
}
void setTangents(FBXMesh& mesh, int firstIndex, int secondIndex) {
const glm::vec3& normal = mesh.normals.at(firstIndex);
glm::vec3 bitangent = glm::cross(normal, mesh.vertices.at(secondIndex) - mesh.vertices.at(firstIndex));
if (glm::length(bitangent) < EPSILON) {
return;
}
glm::vec2 texCoordDelta = mesh.texCoords.at(secondIndex) - mesh.texCoords.at(firstIndex);
glm::vec3 normalizedNormal = glm::normalize(normal);
mesh.tangents[firstIndex] += glm::cross(glm::angleAxis(-atan2f(-texCoordDelta.t, texCoordDelta.s), normalizedNormal) *
glm::normalize(bitangent), normalizedNormal);
}
QVector<int> getIndices(const QVector<QString> ids, QVector<QString> modelIDs) {
QVector<int> indices;
foreach (const QString& id, ids) {
int index = modelIDs.indexOf(id);
if (index != -1) {
indices.append(index);
}
}
return indices;
}
typedef QPair<int, float> WeightedIndex;
void addBlendshapes(const ExtractedBlendshape& extracted, const QList<WeightedIndex>& indices, ExtractedMesh& extractedMesh) {
foreach (const WeightedIndex& index, indices) {
extractedMesh.mesh.blendshapes.resize(max(extractedMesh.mesh.blendshapes.size(), index.first + 1));
extractedMesh.blendshapeIndexMaps.resize(extractedMesh.mesh.blendshapes.size());
FBXBlendshape& blendshape = extractedMesh.mesh.blendshapes[index.first];
QHash<int, int>& blendshapeIndexMap = extractedMesh.blendshapeIndexMaps[index.first];
for (int i = 0; i < extracted.blendshape.indices.size(); i++) {
int oldIndex = extracted.blendshape.indices.at(i);
for (QMultiHash<int, int>::const_iterator it = extractedMesh.newIndices.constFind(oldIndex);
it != extractedMesh.newIndices.constEnd() && it.key() == oldIndex; it++) {
QHash<int, int>::iterator blendshapeIndex = blendshapeIndexMap.find(it.value());
if (blendshapeIndex == blendshapeIndexMap.end()) {
blendshapeIndexMap.insert(it.value(), blendshape.indices.size());
blendshape.indices.append(it.value());
blendshape.vertices.append(extracted.blendshape.vertices.at(i) * index.second);
blendshape.normals.append(extracted.blendshape.normals.at(i) * index.second);
} else {
blendshape.vertices[*blendshapeIndex] += extracted.blendshape.vertices.at(i) * index.second;
blendshape.normals[*blendshapeIndex] += extracted.blendshape.normals.at(i) * index.second;
}
}
}
}
}
QString getTopModelID(const QMultiHash<QString, QString>& parentMap,
const QHash<QString, FBXModel>& models, const QString& modelID) {
QString topID = modelID;
forever {
foreach (const QString& parentID, parentMap.values(topID)) {
if (models.contains(parentID)) {
topID = parentID;
goto outerContinue;
}
}
return topID;
outerContinue: ;
}
}
QString getString(const QVariant& value) {
// if it's a list, return the first entry
QVariantList list = value.toList();
return list.isEmpty() ? value.toString() : list.at(0).toString();
}
class JointShapeInfo {
public:
JointShapeInfo() : numVertices(0),
sumVertexWeights(0.0f), sumWeightedRadii(0.0f), numVertexWeights(0),
boneBegin(0.0f), averageRadius(0.0f) {
}
// NOTE: the points here are in the "joint frame" which has the "jointEnd" at the origin
int numVertices; // num vertices from contributing meshes
float sumVertexWeights; // sum of all vertex weights
float sumWeightedRadii; // sum of weighted vertices
int numVertexWeights; // num vertices that contributed to sums
glm::vec3 boneBegin; // parent joint location (in joint frame)
float averageRadius;
};
class AnimationCurve {
public:
QVector<float> values;
};
FBXTexture getTexture(const QString& textureID,
const QHash<QString, QString>& textureNames,
const QHash<QString, QByteArray>& textureFilenames,
const QHash<QByteArray, QByteArray>& textureContent,
const QHash<QString, TextureParam>& textureParams) {
FBXTexture texture;
texture.filename = textureFilenames.value(textureID);
texture.name = textureNames.value(textureID);
texture.content = textureContent.value(texture.filename);
texture.transform.setIdentity();
texture.texcoordSet = 0;
QHash<QString, TextureParam>::const_iterator it = textureParams.constFind(textureID);
if (it != textureParams.end()) {
const TextureParam& p = (*it);
texture.transform.setTranslation(p.translation);
texture.transform.setRotation(glm::quat(glm::radians(p.rotation)));
texture.transform.setScale(p.scaling);
if ((p.UVSet != "map1") && (p.UVSet != "UVSet0")) {
texture.texcoordSet = 1;
}
texture.texcoordSetName = p.UVSet;
}
return texture;
}
bool checkMaterialsHaveTextures(const QHash<QString, Material>& materials,
const QHash<QString, QByteArray>& textureFilenames, const QMultiHash<QString, QString>& childMap) {
foreach (const QString& materialID, materials.keys()) {
foreach (const QString& childID, childMap.values(materialID)) {
if (textureFilenames.contains(childID)) {
return true;
}
}
}
return false;
}
int matchTextureUVSetToAttributeChannel(const QString& texUVSetName, const QHash<QString, int>& texcoordChannels) {
if (texUVSetName.isEmpty()) {
return 0;
} else {
QHash<QString, int>::const_iterator tcUnit = texcoordChannels.find(texUVSetName);
if (tcUnit != texcoordChannels.end()) {
int channel = (*tcUnit);
if (channel >= 2) {
channel = 0;
}
return channel;
} else {
return 0;
}
}
}
FBXLight extractLight(const FBXNode& object) {
FBXLight light;
foreach (const FBXNode& subobject, object.children) {
QString childname = QString(subobject.name);
if (subobject.name == "Properties70") {
foreach (const FBXNode& property, subobject.children) {
int valIndex = 4;
QString propName = QString(property.name);
if (property.name == "P") {
QString propname = property.properties.at(0).toString();
if (propname == "Intensity") {
light.intensity = 0.01f * property.properties.at(valIndex).value<float>();
} else if (propname == "Color") {
light.color = getVec3(property.properties, valIndex);
}
}
}
} else if ( subobject.name == "GeometryVersion"
|| subobject.name == "TypeFlags") {
}
}
#if defined(DEBUG_FBXREADER)
QString type = object.properties.at(0).toString();
type = object.properties.at(1).toString();
type = object.properties.at(2).toString();
foreach (const QVariant& prop, object.properties) {
QString proptype = prop.typeName();
QString propval = prop.toString();
if (proptype == "Properties70") {
}
}
#endif
return light;
}
#if USE_MODEL_MESH
void buildModelMesh(ExtractedMesh& extracted, const QString& url) {
static QString repeatedMessage = LogHandler::getInstance().addRepeatedMessageRegex("buildModelMesh failed -- .*");
if (extracted.mesh.vertices.size() == 0) {
extracted.mesh._mesh = model::Mesh();
qCDebug(modelformat) << "buildModelMesh failed -- no vertices, url = " << url;
return;
}
FBXMesh& fbxMesh = extracted.mesh;
model::Mesh mesh;
// Grab the vertices in a buffer
auto vb = make_shared<gpu::Buffer>();
vb->setData(extracted.mesh.vertices.size() * sizeof(glm::vec3),
(const gpu::Byte*) extracted.mesh.vertices.data());
gpu::BufferView vbv(vb, gpu::Element(gpu::VEC3, gpu::FLOAT, gpu::XYZ));
mesh.setVertexBuffer(vbv);
// evaluate all attribute channels sizes
int normalsSize = fbxMesh.normals.size() * sizeof(glm::vec3);
int tangentsSize = fbxMesh.tangents.size() * sizeof(glm::vec3);
int colorsSize = fbxMesh.colors.size() * sizeof(glm::vec3);
int texCoordsSize = fbxMesh.texCoords.size() * sizeof(glm::vec2);
int texCoords1Size = fbxMesh.texCoords1.size() * sizeof(glm::vec2);
int clusterIndicesSize = fbxMesh.clusterIndices.size() * sizeof(glm::vec4);
int clusterWeightsSize = fbxMesh.clusterWeights.size() * sizeof(glm::vec4);
int normalsOffset = 0;
int tangentsOffset = normalsOffset + normalsSize;
int colorsOffset = tangentsOffset + tangentsSize;
int texCoordsOffset = colorsOffset + colorsSize;
int texCoords1Offset = texCoordsOffset + texCoordsSize;
int clusterIndicesOffset = texCoords1Offset + texCoords1Size;
int clusterWeightsOffset = clusterIndicesOffset + clusterIndicesSize;
int totalAttributeSize = clusterWeightsOffset + clusterWeightsSize;
// Copy all attribute data in a single attribute buffer
auto attribBuffer = make_shared<gpu::Buffer>();
attribBuffer->resize(totalAttributeSize);
attribBuffer->setSubData(normalsOffset, normalsSize, (gpu::Byte*) fbxMesh.normals.constData());
attribBuffer->setSubData(tangentsOffset, tangentsSize, (gpu::Byte*) fbxMesh.tangents.constData());
attribBuffer->setSubData(colorsOffset, colorsSize, (gpu::Byte*) fbxMesh.colors.constData());
attribBuffer->setSubData(texCoordsOffset, texCoordsSize, (gpu::Byte*) fbxMesh.texCoords.constData());
attribBuffer->setSubData(texCoords1Offset, texCoords1Size, (gpu::Byte*) fbxMesh.texCoords1.constData());
attribBuffer->setSubData(clusterIndicesOffset, clusterIndicesSize, (gpu::Byte*) fbxMesh.clusterIndices.constData());
attribBuffer->setSubData(clusterWeightsOffset, clusterWeightsSize, (gpu::Byte*) fbxMesh.clusterWeights.constData());
if (normalsSize) {
mesh.addAttribute(gpu::Stream::NORMAL,
model::BufferView(attribBuffer, normalsOffset, normalsSize,
gpu::Element(gpu::VEC3, gpu::FLOAT, gpu::XYZ)));
}
if (tangentsSize) {
mesh.addAttribute(gpu::Stream::TANGENT,
model::BufferView(attribBuffer, tangentsOffset, tangentsSize,
gpu::Element(gpu::VEC3, gpu::FLOAT, gpu::XYZ)));
}
if (colorsSize) {
mesh.addAttribute(gpu::Stream::COLOR,
model::BufferView(attribBuffer, colorsOffset, colorsSize,
gpu::Element(gpu::VEC3, gpu::FLOAT, gpu::RGB)));
}
if (texCoordsSize) {
mesh.addAttribute(gpu::Stream::TEXCOORD,
model::BufferView( attribBuffer, texCoordsOffset, texCoordsSize,
gpu::Element(gpu::VEC2, gpu::FLOAT, gpu::UV)));
}
if (texCoords1Size) {
mesh.addAttribute(gpu::Stream::TEXCOORD1,
model::BufferView(attribBuffer, texCoords1Offset, texCoords1Size,
gpu::Element(gpu::VEC2, gpu::FLOAT, gpu::UV)));
}
if (clusterIndicesSize) {
mesh.addAttribute(gpu::Stream::SKIN_CLUSTER_INDEX,
model::BufferView(attribBuffer, clusterIndicesOffset, clusterIndicesSize,
gpu::Element(gpu::VEC4, gpu::NFLOAT, gpu::XYZW)));
}
if (clusterWeightsSize) {
mesh.addAttribute(gpu::Stream::SKIN_CLUSTER_WEIGHT,
model::BufferView(attribBuffer, clusterWeightsOffset, clusterWeightsSize,
gpu::Element(gpu::VEC4, gpu::NFLOAT, gpu::XYZW)));
}
unsigned int totalIndices = 0;
foreach(const FBXMeshPart& part, extracted.mesh.parts) {
totalIndices += (part.quadIndices.size() + part.triangleIndices.size());
}
if (! totalIndices) {
extracted.mesh._mesh = model::Mesh();
qCDebug(modelformat) << "buildModelMesh failed -- no indices, url = " << url;
return;
}
auto ib = make_shared<gpu::Buffer>();
ib->resize(totalIndices * sizeof(int));
int indexNum = 0;
int offset = 0;
std::vector< model::Mesh::Part > parts;
foreach(const FBXMeshPart& part, extracted.mesh.parts) {
model::Mesh::Part quadPart(indexNum, part.quadIndices.size(), 0, model::Mesh::QUADS);
if (quadPart._numIndices) {
parts.push_back(quadPart);
ib->setSubData(offset, part.quadIndices.size() * sizeof(int),
(gpu::Byte*) part.quadIndices.constData());
offset += part.quadIndices.size() * sizeof(int);
indexNum += part.quadIndices.size();
}
model::Mesh::Part triPart(indexNum, part.triangleIndices.size(), 0, model::Mesh::TRIANGLES);
if (triPart._numIndices) {
ib->setSubData(offset, part.triangleIndices.size() * sizeof(int),
(gpu::Byte*) part.triangleIndices.constData());
offset += part.triangleIndices.size() * sizeof(int);
indexNum += part.triangleIndices.size();
}
}
gpu::BufferView ibv(ib, gpu::Element(gpu::SCALAR, gpu::UINT32, gpu::XYZ));
mesh.setIndexBuffer(ibv);
if (parts.size()) {
auto pb = make_shared<gpu::Buffer>();
pb->setData(parts.size() * sizeof(model::Mesh::Part), (const gpu::Byte*) parts.data());
gpu::BufferView pbv(pb, gpu::Element(gpu::VEC4, gpu::UINT32, gpu::XYZW));
mesh.setPartBuffer(pbv);
} else {
extracted.mesh._mesh = model::Mesh();
qCDebug(modelformat) << "buildModelMesh failed -- no parts, url = " << url;
return;
}
// model::Box box =
mesh.evalPartBound(0);
extracted.mesh._mesh = mesh;
}
#endif // USE_MODEL_MESH
QByteArray fileOnUrl(const QByteArray& filenameString, const QString& url) {
QString path = QFileInfo(url).path();
QByteArray filename = filenameString;
QFileInfo checkFile(path + "/" + filename.replace('\\', '/'));
//check if the file exists at the RelativeFileName
if (checkFile.exists() && checkFile.isFile()) {
filename = filename.replace('\\', '/');
} else {
// there is no texture at the fbx dir with the filename added. Assume it is in the fbx dir.
filename = filename.mid(qMax(filename.lastIndexOf('\\'), filename.lastIndexOf('/')) + 1);
}
return filename;
}
FBXGeometry* extractFBXGeometry(const FBXNode& node, const QVariantHash& mapping, const QString& url, bool loadLightmaps, float lightmapLevel) {
QHash<QString, ExtractedMesh> meshes;
QHash<QString, QString> modelIDsToNames;
QHash<QString, int> meshIDsToMeshIndices;
QHash<QString, QString> ooChildToParent;
QVector<ExtractedBlendshape> blendshapes;
QMultiHash<QString, QString> parentMap;
QMultiHash<QString, QString> childMap;
QHash<QString, FBXModel> models;
QHash<QString, Cluster> clusters;
QHash<QString, AnimationCurve> animationCurves;
QHash<QString, QString> textureNames;
QHash<QString, QByteArray> textureFilenames;
QHash<QString, TextureParam> textureParams;
QHash<QByteArray, QByteArray> textureContent;
QHash<QString, Material> materials;
QHash<QString, QString> typeFlags;
QHash<QString, QString> diffuseTextures;
QHash<QString, QString> bumpTextures;
QHash<QString, QString> specularTextures;
QHash<QString, QString> emissiveTextures;
QHash<QString, QString> ambientTextures;
QHash<QString, QString> localRotations;
QHash<QString, QString> xComponents;
QHash<QString, QString> yComponents;
QHash<QString, QString> zComponents;
std::map<QString, FBXLight> lights;
QVariantHash joints = mapping.value("joint").toHash();
QString jointEyeLeftName = processID(getString(joints.value("jointEyeLeft", "jointEyeLeft")));
QString jointEyeRightName = processID(getString(joints.value("jointEyeRight", "jointEyeRight")));
QString jointNeckName = processID(getString(joints.value("jointNeck", "jointNeck")));
QString jointRootName = processID(getString(joints.value("jointRoot", "jointRoot")));
QString jointLeanName = processID(getString(joints.value("jointLean", "jointLean")));
QString jointHeadName = processID(getString(joints.value("jointHead", "jointHead")));
QString jointLeftHandName = processID(getString(joints.value("jointLeftHand", "jointLeftHand")));
QString jointRightHandName = processID(getString(joints.value("jointRightHand", "jointRightHand")));
QString jointEyeLeftID;
QString jointEyeRightID;
QString jointNeckID;
QString jointRootID;
QString jointLeanID;
QString jointHeadID;
QString jointLeftHandID;
QString jointRightHandID;
QString jointLeftToeID;
QString jointRightToeID;
float lightmapOffset = 0.0f;
QVector<QString> humanIKJointNames;
for (int i = 0;; i++) {
QByteArray jointName = HUMANIK_JOINTS[i];
if (jointName.isEmpty()) {
break;
}
humanIKJointNames.append(processID(getString(joints.value(jointName, jointName))));
}
QVector<QString> humanIKJointIDs(humanIKJointNames.size());
QVariantHash blendshapeMappings = mapping.value("bs").toHash();
QMultiHash<QByteArray, WeightedIndex> blendshapeIndices;
for (int i = 0;; i++) {
QByteArray blendshapeName = FACESHIFT_BLENDSHAPES[i];
if (blendshapeName.isEmpty()) {
break;
}
QList<QVariant> mappings = blendshapeMappings.values(blendshapeName);
if (mappings.isEmpty()) {
blendshapeIndices.insert(blendshapeName, WeightedIndex(i, 1.0f));
} else {
foreach (const QVariant& mapping, mappings) {
QVariantList blendshapeMapping = mapping.toList();
blendshapeIndices.insert(blendshapeMapping.at(0).toByteArray(),
WeightedIndex(i, blendshapeMapping.at(1).toFloat()));
}
}
}
QMultiHash<QString, WeightedIndex> blendshapeChannelIndices;
#if defined(DEBUG_FBXREADER)
int unknown = 0;
#endif
FBXGeometry* geometryPtr = new FBXGeometry;
FBXGeometry& geometry = *geometryPtr;
float unitScaleFactor = 1.0f;
glm::vec3 ambientColor;
QString hifiGlobalNodeID;
unsigned int meshIndex = 0;
foreach (const FBXNode& child, node.children) {
if (child.name == "FBXHeaderExtension") {
foreach (const FBXNode& object, child.children) {
if (object.name == "SceneInfo") {
foreach (const FBXNode& subobject, object.children) {
if (subobject.name == "MetaData") {
foreach (const FBXNode& subsubobject, subobject.children) {
if (subsubobject.name == "Author") {
geometry.author = subsubobject.properties.at(0).toString();
}
}
} else if (subobject.name == "Properties70") {
foreach (const FBXNode& subsubobject, subobject.children) {
if (subsubobject.name == "P" && subsubobject.properties.size() >= 5 &&
subsubobject.properties.at(0) == "Original|ApplicationName") {
geometry.applicationName = subsubobject.properties.at(4).toString();
}
}
}
}
}
}
} else if (child.name == "GlobalSettings") {
foreach (const FBXNode& object, child.children) {
if (object.name == "Properties70") {
QString propertyName = "P";
int index = 4;
foreach (const FBXNode& subobject, object.children) {
if (subobject.name == propertyName) {
QString subpropName = subobject.properties.at(0).toString();
if (subpropName == "UnitScaleFactor") {
unitScaleFactor = subobject.properties.at(index).toFloat();
} else if (subpropName == "AmbientColor") {
ambientColor = getVec3(subobject.properties, index);
}
}
}
}
}
} else if (child.name == "Objects") {
foreach (const FBXNode& object, child.children) {
if (object.name == "Geometry") {
if (object.properties.at(2) == "Mesh") {
meshes.insert(getID(object.properties), extractMesh(object, meshIndex));
} else { // object.properties.at(2) == "Shape"
ExtractedBlendshape extracted = { getID(object.properties), extractBlendshape(object) };
blendshapes.append(extracted);
}
} else if (object.name == "Model") {
QString name = getName(object.properties);
QString id = getID(object.properties);
modelIDsToNames.insert(id, name);
QString modelname = name.toLower();
if (modelname.startsWith("hifi")) {
hifiGlobalNodeID = id;
}
if (name == jointEyeLeftName || name == "EyeL" || name == "joint_Leye") {
jointEyeLeftID = getID(object.properties);
} else if (name == jointEyeRightName || name == "EyeR" || name == "joint_Reye") {
jointEyeRightID = getID(object.properties);
} else if (name == jointNeckName || name == "NeckRot" || name == "joint_neck") {
jointNeckID = getID(object.properties);
} else if (name == jointRootName) {
jointRootID = getID(object.properties);
} else if (name == jointLeanName) {
jointLeanID = getID(object.properties);
} else if (name == jointHeadName) {
jointHeadID = getID(object.properties);
} else if (name == jointLeftHandName || name == "LeftHand" || name == "joint_L_hand") {
jointLeftHandID = getID(object.properties);
} else if (name == jointRightHandName || name == "RightHand" || name == "joint_R_hand") {
jointRightHandID = getID(object.properties);
} else if (name == "LeftToe" || name == "joint_L_toe" || name == "LeftToe_End") {
jointLeftToeID = getID(object.properties);
} else if (name == "RightToe" || name == "joint_R_toe" || name == "RightToe_End") {
jointRightToeID = getID(object.properties);
}
int humanIKJointIndex = humanIKJointNames.indexOf(name);
if (humanIKJointIndex != -1) {
humanIKJointIDs[humanIKJointIndex] = getID(object.properties);
}
glm::vec3 translation;
// NOTE: the euler angles as supplied by the FBX file are in degrees
glm::vec3 rotationOffset;
glm::vec3 preRotation, rotation, postRotation;
glm::vec3 scale = glm::vec3(1.0f, 1.0f, 1.0f);
glm::vec3 scalePivot, rotationPivot, scaleOffset;
bool rotationMinX = false, rotationMinY = false, rotationMinZ = false;
bool rotationMaxX = false, rotationMaxY = false, rotationMaxZ = false;
glm::vec3 rotationMin, rotationMax;
FBXModel model = { name, -1, glm::vec3(), glm::mat4(), glm::quat(), glm::quat(), glm::quat(),
glm::mat4(), glm::vec3(), glm::vec3()};
ExtractedMesh* mesh = NULL;
QVector<ExtractedBlendshape> blendshapes;
foreach (const FBXNode& subobject, object.children) {
bool properties = false;
QByteArray propertyName;
int index;
if (subobject.name == "Properties60") {
properties = true;
propertyName = "Property";
index = 3;
} else if (subobject.name == "Properties70") {
properties = true;
propertyName = "P";
index = 4;
}
if (properties) {
foreach (const FBXNode& property, subobject.children) {
if (property.name == propertyName) {
if (property.properties.at(0) == "Lcl Translation") {
translation = getVec3(property.properties, index);
} else if (property.properties.at(0) == "RotationOffset") {
rotationOffset = getVec3(property.properties, index);
} else if (property.properties.at(0) == "RotationPivot") {
rotationPivot = getVec3(property.properties, index);
} else if (property.properties.at(0) == "PreRotation") {
preRotation = getVec3(property.properties, index);
} else if (property.properties.at(0) == "Lcl Rotation") {
rotation = getVec3(property.properties, index);
} else if (property.properties.at(0) == "PostRotation") {
postRotation = getVec3(property.properties, index);
} else if (property.properties.at(0) == "ScalingPivot") {
scalePivot = getVec3(property.properties, index);
} else if (property.properties.at(0) == "Lcl Scaling") {
scale = getVec3(property.properties, index);
} else if (property.properties.at(0) == "ScalingOffset") {
scaleOffset = getVec3(property.properties, index);
// NOTE: these rotation limits are stored in degrees (NOT radians)
} else if (property.properties.at(0) == "RotationMin") {
rotationMin = getVec3(property.properties, index);
} else if (property.properties.at(0) == "RotationMax") {
rotationMax = getVec3(property.properties, index);
} else if (property.properties.at(0) == "RotationMinX") {
rotationMinX = property.properties.at(index).toBool();
} else if (property.properties.at(0) == "RotationMinY") {
rotationMinY = property.properties.at(index).toBool();
} else if (property.properties.at(0) == "RotationMinZ") {
rotationMinZ = property.properties.at(index).toBool();
} else if (property.properties.at(0) == "RotationMaxX") {
rotationMaxX = property.properties.at(index).toBool();
} else if (property.properties.at(0) == "RotationMaxY") {
rotationMaxY = property.properties.at(index).toBool();
} else if (property.properties.at(0) == "RotationMaxZ") {
rotationMaxZ = property.properties.at(index).toBool();
}
}
}
} else if (subobject.name == "Vertices") {
// it's a mesh as well as a model
mesh = &meshes[getID(object.properties)];
*mesh = extractMesh(object, meshIndex);
} else if (subobject.name == "Shape") {
ExtractedBlendshape blendshape = { subobject.properties.at(0).toString(),
extractBlendshape(subobject) };
blendshapes.append(blendshape);
}
#if defined(DEBUG_FBXREADER)
else if (subobject.name == "TypeFlags") {
QString attributetype = subobject.properties.at(0).toString();
if (!attributetype.empty()) {
if (attributetype == "Light") {
QString lightprop;
foreach (const QVariant& vprop, subobject.properties) {
lightprop = vprop.toString();
}
FBXLight light = extractLight(object);
}
}
} else {
QString whatisthat = subobject.name;
if (whatisthat == "Shape") {
}
}
#endif
}
// add the blendshapes included in the model, if any
if (mesh) {
foreach (const ExtractedBlendshape& extracted, blendshapes) {
addBlendshapes(extracted, blendshapeIndices.values(extracted.id.toLatin1()), *mesh);
}
}
// see FBX documentation, http://download.autodesk.com/us/fbx/20112/FBX_SDK_HELP/index.html
model.translation = translation;
model.preTransform = glm::translate(rotationOffset) * glm::translate(rotationPivot);
model.preRotation = glm::quat(glm::radians(preRotation));
model.rotation = glm::quat(glm::radians(rotation));
model.postRotation = glm::quat(glm::radians(postRotation));
model.postTransform = glm::translate(-rotationPivot) * glm::translate(scaleOffset) *
glm::translate(scalePivot) * glm::scale(scale) * glm::translate(-scalePivot);
// NOTE: angles from the FBX file are in degrees
// so we convert them to radians for the FBXModel class
model.rotationMin = glm::radians(glm::vec3(rotationMinX ? rotationMin.x : -180.0f,
rotationMinY ? rotationMin.y : -180.0f, rotationMinZ ? rotationMin.z : -180.0f));
model.rotationMax = glm::radians(glm::vec3(rotationMaxX ? rotationMax.x : 180.0f,
rotationMaxY ? rotationMax.y : 180.0f, rotationMaxZ ? rotationMax.z : 180.0f));
models.insert(getID(object.properties), model);
} else if (object.name == "Texture") {
TextureParam tex;
foreach (const FBXNode& subobject, object.children) {
if (subobject.name == "RelativeFilename") {
QByteArray filename = subobject.properties.at(0).toByteArray();
filename = fileOnUrl(filename, url);
textureFilenames.insert(getID(object.properties), filename);
} else if (subobject.name == "TextureName") {
// trim the name from the timestamp
QString name = QString(subobject.properties.at(0).toByteArray());
name = name.left(name.indexOf('['));
textureNames.insert(getID(object.properties), name);
} else if (subobject.name == "Texture_Alpha_Source") {
tex.assign<uint8_t>(tex.alphaSource, subobject.properties.at(0).value<int>());
} else if (subobject.name == "ModelUVTranslation") {
tex.assign(tex.UVTranslation, glm::vec2(subobject.properties.at(0).value<double>(),
subobject.properties.at(1).value<double>()));
} else if (subobject.name == "ModelUVScaling") {
tex.assign(tex.UVScaling, glm::vec2(subobject.properties.at(0).value<double>(),
subobject.properties.at(1).value<double>()));
} else if (subobject.name == "Cropping") {
tex.assign(tex.cropping, glm::vec4(subobject.properties.at(0).value<int>(),
subobject.properties.at(1).value<int>(),
subobject.properties.at(2).value<int>(),
subobject.properties.at(3).value<int>()));
} else if (subobject.name == "Properties70") {
QByteArray propertyName;
int index;
propertyName = "P";
index = 4;
foreach (const FBXNode& property, subobject.children) {
if (property.name == propertyName) {
QString v = property.properties.at(0).toString();
if (property.properties.at(0) == "UVSet") {
std::string uvName = property.properties.at(index).toString().toStdString();
tex.assign(tex.UVSet, property.properties.at(index).toString());
} else if (property.properties.at(0) == "CurrentTextureBlendMode") {
tex.assign<uint8_t>(tex.currentTextureBlendMode, property.properties.at(index).value<int>());
} else if (property.properties.at(0) == "UseMaterial") {
tex.assign<bool>(tex.useMaterial, property.properties.at(index).value<int>());
} else if (property.properties.at(0) == "Translation") {
tex.assign(tex.translation, getVec3(property.properties, index));
} else if (property.properties.at(0) == "Rotation") {
tex.assign(tex.rotation, getVec3(property.properties, index));
} else if (property.properties.at(0) == "Scaling") {
tex.assign(tex.scaling, getVec3(property.properties, index));
}
#if defined(DEBUG_FBXREADER)
else {
QString propName = v;
unknown++;
}
#endif
}
}
}
#if defined(DEBUG_FBXREADER)
else {
if (subobject.name == "Type") {
} else if (subobject.name == "Version") {
} else if (subobject.name == "FileName") {
} else if (subobject.name == "Media") {
} else {
QString subname = subobject.name.data();
unknown++;
}
}
#endif
}
if (!tex.isDefault) {
textureParams.insert(getID(object.properties), tex);
}
} else if (object.name == "Video") {
QByteArray filename;
QByteArray content;
foreach (const FBXNode& subobject, object.children) {
if (subobject.name == "RelativeFilename") {
filename = subobject.properties.at(0).toByteArray();
filename = fileOnUrl(filename, url);
} else if (subobject.name == "Content" && !subobject.properties.isEmpty()) {
content = subobject.properties.at(0).toByteArray();
}
}
if (!content.isEmpty()) {
textureContent.insert(filename, content);
}
} else if (object.name == "Material") {
Material material = { glm::vec3(1.0f, 1.0f, 1.0f), glm::vec3(1.0f, 1.0f, 1.0f), glm::vec3(), 96.0f, 1.0f,
QString(""), model::MaterialPointer(NULL)};
foreach (const FBXNode& subobject, object.children) {
bool properties = false;
QByteArray propertyName;
int index;
if (subobject.name == "Properties60") {
properties = true;
propertyName = "Property";
index = 3;
} else if (subobject.name == "Properties70") {
properties = true;
propertyName = "P";
index = 4;
}
if (properties) {
foreach (const FBXNode& property, subobject.children) {
if (property.name == propertyName) {
if (property.properties.at(0) == "DiffuseColor") {
material.diffuse = getVec3(property.properties, index);
} else if (property.properties.at(0) == "SpecularColor") {
material.specular = getVec3(property.properties, index);
} else if (property.properties.at(0) == "Emissive") {
material.emissive = getVec3(property.properties, index);
} else if (property.properties.at(0) == "Shininess") {
material.shininess = property.properties.at(index).value<double>();
} else if (property.properties.at(0) == "Opacity") {
material.opacity = property.properties.at(index).value<double>();
}
#if defined(DEBUG_FBXREADER)
else {
const QString propname = property.properties.at(0).toString();
if (propname == "EmissiveFactor") {
}
}
#endif
}
}
}
#if defined(DEBUG_FBXREADER)
else {
QString propname = subobject.name.data();
int unknown = 0;
if ( (propname == "Version")
||(propname == "ShadingModel")
||(propname == "Multilayer")) {
} else {
unknown++;
}
}
#endif
}
material.id = getID(object.properties);
material._material = make_shared<model::Material>();
material._material->setEmissive(material.emissive);
if (glm::all(glm::equal(material.diffuse, glm::vec3(0.0f)))) {
material._material->setDiffuse(material.diffuse);
} else {
material._material->setDiffuse(material.diffuse);
}
material._material->setMetallic(glm::length(material.specular));
material._material->setGloss(material.shininess);
if (material.opacity <= 0.0f) {
material._material->setOpacity(1.0f);
} else {
material._material->setOpacity(material.opacity);
}
materials.insert(material.id, material);
} else if (object.name == "NodeAttribute") {
#if defined(DEBUG_FBXREADER)
std::vector<QString> properties;
foreach(const QVariant& v, object.properties) {
properties.push_back(v.toString());
}
#endif
QString attribID = getID(object.properties);
QString attributetype;
foreach (const FBXNode& subobject, object.children) {
if (subobject.name == "TypeFlags") {
typeFlags.insert(getID(object.properties), subobject.properties.at(0).toString());
attributetype = subobject.properties.at(0).toString();
}
}
if (!attributetype.isEmpty()) {
if (attributetype == "Light") {
FBXLight light = extractLight(object);
lights[attribID] = light;
}
}
} else if (object.name == "Deformer") {
if (object.properties.last() == "Cluster") {
Cluster cluster;
foreach (const FBXNode& subobject, object.children) {
if (subobject.name == "Indexes") {
cluster.indices = getIntVector(subobject);
} else if (subobject.name == "Weights") {
cluster.weights = getDoubleVector(subobject);
} else if (subobject.name == "TransformLink") {
QVector<double> values = getDoubleVector(subobject);
cluster.transformLink = createMat4(values);
}
}
clusters.insert(getID(object.properties), cluster);
} else if (object.properties.last() == "BlendShapeChannel") {
QByteArray name = object.properties.at(1).toByteArray();
name = name.left(name.indexOf('\0'));
if (!blendshapeIndices.contains(name)) {
// try everything after the dot
name = name.mid(name.lastIndexOf('.') + 1);
}
QString id = getID(object.properties);
geometry.blendshapeChannelNames << name;
foreach (const WeightedIndex& index, blendshapeIndices.values(name)) {
blendshapeChannelIndices.insert(id, index);
}
}
} else if (object.name == "AnimationCurve") {
AnimationCurve curve;
foreach (const FBXNode& subobject, object.children) {
if (subobject.name == "KeyValueFloat") {
curve.values = getFloatVector(subobject);
}
}
animationCurves.insert(getID(object.properties), curve);
}
#if defined(DEBUG_FBXREADER)
else {
QString objectname = object.name.data();
if ( objectname == "Pose"
|| objectname == "AnimationStack"
|| objectname == "AnimationLayer"
|| objectname == "AnimationCurveNode") {
} else {
unknown++;
}
}
#endif
}
} else if (child.name == "Connections") {
foreach (const FBXNode& connection, child.children) {
if (connection.name == "C" || connection.name == "Connect") {
if (connection.properties.at(0) == "OO") {
QString childID = getID(connection.properties, 1);
QString parentID = getID(connection.properties, 2);
ooChildToParent.insert(childID, parentID);
if (!hifiGlobalNodeID.isEmpty() && (parentID == hifiGlobalNodeID)) {
std::map< QString, FBXLight >::iterator lit = lights.find(childID);
if (lit != lights.end()) {
lightmapLevel = (*lit).second.intensity;
if (lightmapLevel <= 0.0f) {
loadLightmaps = false;
}
lightmapOffset = glm::clamp((*lit).second.color.x, 0.f, 1.f);
}
}
}
if (connection.properties.at(0) == "OP") {
int counter = 0;
QByteArray type = connection.properties.at(3).toByteArray().toLower();
if (type.contains("diffuse")) {
diffuseTextures.insert(getID(connection.properties, 2), getID(connection.properties, 1));
} else if (type.contains("transparentcolor")) { // it should be TransparentColor...
// THis is how Maya assign a texture that affect diffuse color AND transparency ?
diffuseTextures.insert(getID(connection.properties, 2), getID(connection.properties, 1));
} else if (type.contains("bump") || type.contains("normal")) {
bumpTextures.insert(getID(connection.properties, 2), getID(connection.properties, 1));
} else if (type.contains("specular") || type.contains("reflection")) {
specularTextures.insert(getID(connection.properties, 2), getID(connection.properties, 1));
} else if (type == "lcl rotation") {
localRotations.insert(getID(connection.properties, 2), getID(connection.properties, 1));
} else if (type == "d|x") {
xComponents.insert(getID(connection.properties, 2), getID(connection.properties, 1));
} else if (type == "d|y") {
yComponents.insert(getID(connection.properties, 2), getID(connection.properties, 1));
} else if (type == "d|z") {
zComponents.insert(getID(connection.properties, 2), getID(connection.properties, 1));
} else if (type.contains("shininess")) {
counter++;
} else if (loadLightmaps && type.contains("emissive")) {
emissiveTextures.insert(getID(connection.properties, 2), getID(connection.properties, 1));
} else if (loadLightmaps && type.contains("ambient")) {
ambientTextures.insert(getID(connection.properties, 2), getID(connection.properties, 1));
} else {
QString typenam = type.data();
counter++;
}
}
parentMap.insert(getID(connection.properties, 1), getID(connection.properties, 2));
childMap.insert(getID(connection.properties, 2), getID(connection.properties, 1));
}
}
}
#if defined(DEBUG_FBXREADER)
else {
QString objectname = child.name.data();
if ( objectname == "Pose"
|| objectname == "CreationTime"
|| objectname == "FileId"
|| objectname == "Creator"
|| objectname == "Documents"
|| objectname == "References"
|| objectname == "Definitions"
|| objectname == "Takes"
|| objectname == "AnimationStack"
|| objectname == "AnimationLayer"
|| objectname == "AnimationCurveNode") {
} else {
unknown++;
}
}
#endif
}
// TODO: check if is code is needed
if (!lights.empty()) {
if (hifiGlobalNodeID.isEmpty()) {
std::map< QString, FBXLight >::iterator l = lights.begin();
lightmapLevel = (*l).second.intensity;
}
}
// assign the blendshapes to their corresponding meshes
foreach (const ExtractedBlendshape& extracted, blendshapes) {
QString blendshapeChannelID = parentMap.value(extracted.id);
QString blendshapeID = parentMap.value(blendshapeChannelID);
QString meshID = parentMap.value(blendshapeID);
addBlendshapes(extracted, blendshapeChannelIndices.values(blendshapeChannelID), meshes[meshID]);
}
// get offset transform from mapping
float offsetScale = mapping.value("scale", 1.0f).toFloat() * unitScaleFactor * METERS_PER_CENTIMETER;
glm::quat offsetRotation = glm::quat(glm::radians(glm::vec3(mapping.value("rx").toFloat(),
mapping.value("ry").toFloat(), mapping.value("rz").toFloat())));
geometry.offset = glm::translate(glm::vec3(mapping.value("tx").toFloat(), mapping.value("ty").toFloat(),
mapping.value("tz").toFloat())) * glm::mat4_cast(offsetRotation) *
glm::scale(glm::vec3(offsetScale, offsetScale, offsetScale));
// get the list of models in depth-first traversal order
QVector<QString> modelIDs;
QSet<QString> remainingModels;
for (QHash<QString, FBXModel>::const_iterator model = models.constBegin(); model != models.constEnd(); model++) {
// models with clusters must be parented to the cluster top
foreach (const QString& deformerID, childMap.values(model.key())) {
foreach (const QString& clusterID, childMap.values(deformerID)) {
if (!clusters.contains(clusterID)) {
continue;
}
QString topID = getTopModelID(parentMap, models, childMap.value(clusterID));
childMap.remove(parentMap.take(model.key()), model.key());
parentMap.insert(model.key(), topID);
goto outerBreak;
}
}
outerBreak:
// make sure the parent is in the child map
QString parent = parentMap.value(model.key());
if (!childMap.contains(parent, model.key())) {
childMap.insert(parent, model.key());
}
remainingModels.insert(model.key());
}
while (!remainingModels.isEmpty()) {
QString first = *remainingModels.constBegin();
foreach (const QString& id, remainingModels) {
if (id < first) {
first = id;
}
}
QString topID = getTopModelID(parentMap, models, first);
appendModelIDs(parentMap.value(topID), childMap, models, remainingModels, modelIDs);
}
// figure the number of animation frames from the curves
int frameCount = 1;
foreach (const AnimationCurve& curve, animationCurves) {
frameCount = qMax(frameCount, curve.values.size());
}
for (int i = 0; i < frameCount; i++) {
FBXAnimationFrame frame;
frame.rotations.resize(modelIDs.size());
geometry.animationFrames.append(frame);
}
// convert the models to joints
QVariantList freeJoints = mapping.values("freeJoint");
geometry.hasSkeletonJoints = false;
foreach (const QString& modelID, modelIDs) {
const FBXModel& model = models[modelID];
FBXJoint joint;
joint.isFree = freeJoints.contains(model.name);
joint.parentIndex = model.parentIndex;
// get the indices of all ancestors starting with the first free one (if any)
int jointIndex = geometry.joints.size();
joint.freeLineage.append(jointIndex);
int lastFreeIndex = joint.isFree ? 0 : -1;
for (int index = joint.parentIndex; index != -1; index = geometry.joints.at(index).parentIndex) {
if (geometry.joints.at(index).isFree) {
lastFreeIndex = joint.freeLineage.size();
}
joint.freeLineage.append(index);
}
joint.freeLineage.remove(lastFreeIndex + 1, joint.freeLineage.size() - lastFreeIndex - 1);
joint.translation = model.translation;
joint.preTransform = model.preTransform;
joint.preRotation = model.preRotation;
joint.rotation = model.rotation;
joint.postRotation = model.postRotation;
joint.postTransform = model.postTransform;
joint.rotationMin = model.rotationMin;
joint.rotationMax = model.rotationMax;
glm::quat combinedRotation = model.preRotation * model.rotation * model.postRotation;
if (joint.parentIndex == -1) {
joint.transform = geometry.offset * glm::translate(model.translation) * model.preTransform *
glm::mat4_cast(combinedRotation) * model.postTransform;
joint.inverseDefaultRotation = glm::inverse(combinedRotation);
joint.distanceToParent = 0.0f;
} else {
const FBXJoint& parentJoint = geometry.joints.at(joint.parentIndex);
joint.transform = parentJoint.transform * glm::translate(model.translation) *
model.preTransform * glm::mat4_cast(combinedRotation) * model.postTransform;
joint.inverseDefaultRotation = glm::inverse(combinedRotation) * parentJoint.inverseDefaultRotation;
joint.distanceToParent = glm::distance(extractTranslation(parentJoint.transform),
extractTranslation(joint.transform));
}
joint.boneRadius = 0.0f;
joint.inverseBindRotation = joint.inverseDefaultRotation;
joint.name = model.name;
foreach (const QString& childID, childMap.values(modelID)) {
QString type = typeFlags.value(childID);
if (!type.isEmpty()) {
geometry.hasSkeletonJoints |= (joint.isSkeletonJoint = type.toLower().contains("Skeleton"));
break;
}
}
geometry.joints.append(joint);
geometry.jointIndices.insert(model.name, geometry.joints.size());
QString rotationID = localRotations.value(modelID);
AnimationCurve xCurve = animationCurves.value(xComponents.value(rotationID));
AnimationCurve yCurve = animationCurves.value(yComponents.value(rotationID));
AnimationCurve zCurve = animationCurves.value(zComponents.value(rotationID));
glm::vec3 defaultValues = glm::degrees(safeEulerAngles(joint.rotation));
for (int i = 0; i < frameCount; i++) {
geometry.animationFrames[i].rotations[jointIndex] = glm::quat(glm::radians(glm::vec3(
xCurve.values.isEmpty() ? defaultValues.x : xCurve.values.at(i % xCurve.values.size()),
yCurve.values.isEmpty() ? defaultValues.y : yCurve.values.at(i % yCurve.values.size()),
zCurve.values.isEmpty() ? defaultValues.z : zCurve.values.at(i % zCurve.values.size()))));
}
}
// for each joint we allocate a JointShapeInfo in which we'll store collision shape info
QVector<JointShapeInfo> jointShapeInfos;
jointShapeInfos.resize(geometry.joints.size());
// find our special joints
geometry.leftEyeJointIndex = modelIDs.indexOf(jointEyeLeftID);
geometry.rightEyeJointIndex = modelIDs.indexOf(jointEyeRightID);
geometry.neckJointIndex = modelIDs.indexOf(jointNeckID);
geometry.rootJointIndex = modelIDs.indexOf(jointRootID);
geometry.leanJointIndex = modelIDs.indexOf(jointLeanID);
geometry.headJointIndex = modelIDs.indexOf(jointHeadID);
geometry.leftHandJointIndex = modelIDs.indexOf(jointLeftHandID);
geometry.rightHandJointIndex = modelIDs.indexOf(jointRightHandID);
geometry.leftToeJointIndex = modelIDs.indexOf(jointLeftToeID);
geometry.rightToeJointIndex = modelIDs.indexOf(jointRightToeID);
foreach (const QString& id, humanIKJointIDs) {
geometry.humanIKJointIndices.append(modelIDs.indexOf(id));
}
// extract the translation component of the neck transform
if (geometry.neckJointIndex != -1) {
const glm::mat4& transform = geometry.joints.at(geometry.neckJointIndex).transform;
geometry.neckPivot = glm::vec3(transform[3][0], transform[3][1], transform[3][2]);
}
geometry.bindExtents.reset();
geometry.meshExtents.reset();
// see if any materials have texture children
bool materialsHaveTextures = checkMaterialsHaveTextures(materials, textureFilenames, childMap);
for (QHash<QString, ExtractedMesh>::iterator it = meshes.begin(); it != meshes.end(); it++) {
ExtractedMesh& extracted = it.value();
extracted.mesh.meshExtents.reset();
// accumulate local transforms
QString modelID = models.contains(it.key()) ? it.key() : parentMap.value(it.key());
glm::mat4 modelTransform = getGlobalTransform(parentMap, models, modelID, geometry.applicationName == "mixamo.com");
// compute the mesh extents from the transformed vertices
foreach (const glm::vec3& vertex, extracted.mesh.vertices) {
glm::vec3 transformedVertex = glm::vec3(modelTransform * glm::vec4(vertex, 1.0f));
geometry.meshExtents.minimum = glm::min(geometry.meshExtents.minimum, transformedVertex);
geometry.meshExtents.maximum = glm::max(geometry.meshExtents.maximum, transformedVertex);
extracted.mesh.meshExtents.minimum = glm::min(extracted.mesh.meshExtents.minimum, transformedVertex);
extracted.mesh.meshExtents.maximum = glm::max(extracted.mesh.meshExtents.maximum, transformedVertex);
extracted.mesh.modelTransform = modelTransform;
}
// look for textures, material properties
int materialIndex = 0;
int textureIndex = 0;
bool generateTangents = false;
QList<QString> children = childMap.values(modelID);
for (int i = children.size() - 1; i >= 0; i--) {
const QString& childID = children.at(i);
if (materials.contains(childID)) {
Material material = materials.value(childID);
bool detectDifferentUVs = false;
FBXTexture diffuseTexture;
QString diffuseTextureID = diffuseTextures.value(childID);
if (!diffuseTextureID.isNull()) {
diffuseTexture = getTexture(diffuseTextureID, textureNames, textureFilenames, textureContent, textureParams);
// FBX files generated by 3DSMax have an intermediate texture parent, apparently
foreach (const QString& childTextureID, childMap.values(diffuseTextureID)) {
if (textureFilenames.contains(childTextureID)) {
diffuseTexture = getTexture(diffuseTextureID, textureNames, textureFilenames, textureContent, textureParams);
}
}
diffuseTexture.texcoordSet = matchTextureUVSetToAttributeChannel(diffuseTexture.texcoordSetName, extracted.texcoordSetMap);
detectDifferentUVs = (diffuseTexture.texcoordSet != 0) || (!diffuseTexture.transform.isIdentity());
}
FBXTexture normalTexture;
QString bumpTextureID = bumpTextures.value(childID);
if (!bumpTextureID.isNull()) {
normalTexture = getTexture(bumpTextureID, textureNames, textureFilenames, textureContent, textureParams);
generateTangents = true;
normalTexture.texcoordSet = matchTextureUVSetToAttributeChannel(normalTexture.texcoordSetName, extracted.texcoordSetMap);
detectDifferentUVs |= (normalTexture.texcoordSet != 0) || (!normalTexture.transform.isIdentity());
}
FBXTexture specularTexture;
QString specularTextureID = specularTextures.value(childID);
if (!specularTextureID.isNull()) {
specularTexture = getTexture(specularTextureID, textureNames, textureFilenames, textureContent, textureParams);
specularTexture.texcoordSet = matchTextureUVSetToAttributeChannel(specularTexture.texcoordSetName, extracted.texcoordSetMap);
detectDifferentUVs |= (specularTexture.texcoordSet != 0) || (!specularTexture.transform.isIdentity());
}
FBXTexture emissiveTexture;
glm::vec2 emissiveParams(0.f, 1.f);
emissiveParams.x = lightmapOffset;
emissiveParams.y = lightmapLevel;
QString emissiveTextureID = emissiveTextures.value(childID);
QString ambientTextureID = ambientTextures.value(childID);
if (loadLightmaps && (!emissiveTextureID.isNull() || !ambientTextureID.isNull())) {
if (!emissiveTextureID.isNull()) {
emissiveTexture = getTexture(emissiveTextureID, textureNames, textureFilenames, textureContent, textureParams);
emissiveParams.y = 4.0f;
} else if (!ambientTextureID.isNull()) {
emissiveTexture = getTexture(ambientTextureID, textureNames, textureFilenames, textureContent, textureParams);
}
emissiveTexture.texcoordSet = matchTextureUVSetToAttributeChannel(emissiveTexture.texcoordSetName, extracted.texcoordSetMap);
detectDifferentUVs |= (emissiveTexture.texcoordSet != 0) || (!emissiveTexture.transform.isIdentity());
}
if (detectDifferentUVs) {
detectDifferentUVs = false;
}
for (int j = 0; j < extracted.partMaterialTextures.size(); j++) {
if (extracted.partMaterialTextures.at(j).first == materialIndex) {
FBXMeshPart& part = extracted.mesh.parts[j];
part._material = material._material;
part.diffuseColor = material.diffuse;
part.specularColor = material.specular;
part.emissiveColor = material.emissive;
part.shininess = material.shininess;
part.opacity = material.opacity;
if (!diffuseTexture.filename.isNull()) {
part.diffuseTexture = diffuseTexture;
}
if (!normalTexture.filename.isNull()) {
part.normalTexture = normalTexture;
}
if (!specularTexture.filename.isNull()) {
part.specularTexture = specularTexture;
}
if (!emissiveTexture.filename.isNull()) {
part.emissiveTexture = emissiveTexture;
}
part.emissiveParams = emissiveParams;
part.materialID = material.id;
}
}
materialIndex++;
} else if (textureFilenames.contains(childID)) {
FBXTexture texture = getTexture(childID, textureNames, textureFilenames, textureContent, textureParams);
for (int j = 0; j < extracted.partMaterialTextures.size(); j++) {
int partTexture = extracted.partMaterialTextures.at(j).second;
if (partTexture == textureIndex && !(partTexture == 0 && materialsHaveTextures)) {
extracted.mesh.parts[j].diffuseTexture = texture;
}
}
textureIndex++;
}
}
// if we have a normal map (and texture coordinates), we must compute tangents
if (generateTangents && !extracted.mesh.texCoords.isEmpty()) {
extracted.mesh.tangents.resize(extracted.mesh.vertices.size());
foreach (const FBXMeshPart& part, extracted.mesh.parts) {
for (int i = 0; i < part.quadIndices.size(); i += 4) {
setTangents(extracted.mesh, part.quadIndices.at(i), part.quadIndices.at(i + 1));
setTangents(extracted.mesh, part.quadIndices.at(i + 1), part.quadIndices.at(i + 2));
setTangents(extracted.mesh, part.quadIndices.at(i + 2), part.quadIndices.at(i + 3));
setTangents(extracted.mesh, part.quadIndices.at(i + 3), part.quadIndices.at(i));
}
// <= size - 3 in order to prevent overflowing triangleIndices when (i % 3) != 0
// This is most likely evidence of a further problem in extractMesh()
for (int i = 0; i <= part.triangleIndices.size() - 3; i += 3) {
setTangents(extracted.mesh, part.triangleIndices.at(i), part.triangleIndices.at(i + 1));
setTangents(extracted.mesh, part.triangleIndices.at(i + 1), part.triangleIndices.at(i + 2));
setTangents(extracted.mesh, part.triangleIndices.at(i + 2), part.triangleIndices.at(i));
}
if ((part.triangleIndices.size() % 3) != 0){
qCDebug(modelformat) << "Error in extractFBXGeometry part.triangleIndices.size() is not divisible by three ";
}
}
}
// find the clusters with which the mesh is associated
QVector<QString> clusterIDs;
foreach (const QString& childID, childMap.values(it.key())) {
foreach (const QString& clusterID, childMap.values(childID)) {
if (!clusters.contains(clusterID)) {
continue;
}
FBXCluster fbxCluster;
const Cluster& cluster = clusters[clusterID];
clusterIDs.append(clusterID);
// see http://stackoverflow.com/questions/13566608/loading-skinning-information-from-fbx for a discussion
// of skinning information in FBX
QString jointID = childMap.value(clusterID);
fbxCluster.jointIndex = modelIDs.indexOf(jointID);
if (fbxCluster.jointIndex == -1) {
qCDebug(modelformat) << "Joint not in model list: " << jointID;
fbxCluster.jointIndex = 0;
}
fbxCluster.inverseBindMatrix = glm::inverse(cluster.transformLink) * modelTransform;
extracted.mesh.clusters.append(fbxCluster);
// override the bind rotation with the transform link
FBXJoint& joint = geometry.joints[fbxCluster.jointIndex];
joint.inverseBindRotation = glm::inverse(extractRotation(cluster.transformLink));
joint.bindTransform = cluster.transformLink;
// update the bind pose extents
glm::vec3 bindTranslation = extractTranslation(geometry.offset * joint.bindTransform);
geometry.bindExtents.addPoint(bindTranslation);
}
}
// if we don't have a skinned joint, parent to the model itself
if (extracted.mesh.clusters.isEmpty()) {
FBXCluster cluster;
cluster.jointIndex = modelIDs.indexOf(modelID);
if (cluster.jointIndex == -1) {
qCDebug(modelformat) << "Model not in model list: " << modelID;
cluster.jointIndex = 0;
}
extracted.mesh.clusters.append(cluster);
}
// whether we're skinned depends on how many clusters are attached
const FBXCluster& firstFBXCluster = extracted.mesh.clusters.at(0);
int maxJointIndex = firstFBXCluster.jointIndex;
glm::mat4 inverseModelTransform = glm::inverse(modelTransform);
if (clusterIDs.size() > 1) {
extracted.mesh.clusterIndices.resize(extracted.mesh.vertices.size());
extracted.mesh.clusterWeights.resize(extracted.mesh.vertices.size());
float maxWeight = 0.0f;
for (int i = 0; i < clusterIDs.size(); i++) {
QString clusterID = clusterIDs.at(i);
const Cluster& cluster = clusters[clusterID];
const FBXCluster& fbxCluster = extracted.mesh.clusters.at(i);
int jointIndex = fbxCluster.jointIndex;
FBXJoint& joint = geometry.joints[jointIndex];
glm::mat4 transformJointToMesh = inverseModelTransform * joint.bindTransform;
glm::vec3 boneEnd = extractTranslation(transformJointToMesh);
glm::vec3 boneBegin = boneEnd;
glm::vec3 boneDirection;
float boneLength = 0.0f;
if (joint.parentIndex != -1) {
boneBegin = extractTranslation(inverseModelTransform * geometry.joints[joint.parentIndex].bindTransform);
boneDirection = boneEnd - boneBegin;
boneLength = glm::length(boneDirection);
if (boneLength > EPSILON) {
boneDirection /= boneLength;
}
}
float radiusScale = extractUniformScale(joint.transform * fbxCluster.inverseBindMatrix);
JointShapeInfo& jointShapeInfo = jointShapeInfos[jointIndex];
float totalWeight = 0.0f;
for (int j = 0; j < cluster.indices.size(); j++) {
int oldIndex = cluster.indices.at(j);
float weight = cluster.weights.at(j);
totalWeight += weight;
for (QMultiHash<int, int>::const_iterator it = extracted.newIndices.constFind(oldIndex);
it != extracted.newIndices.end() && it.key() == oldIndex; it++) {
// expand the bone radius for vertices with at least 1/4 weight
const float EXPANSION_WEIGHT_THRESHOLD = 0.25f;
if (weight > EXPANSION_WEIGHT_THRESHOLD) {
const glm::vec3& vertex = extracted.mesh.vertices.at(it.value());
float proj = glm::dot(boneDirection, boneEnd - vertex);
float radiusWeight = (proj < 0.0f || proj > boneLength) ? 0.5f * weight : weight;
jointShapeInfo.sumVertexWeights += radiusWeight;
jointShapeInfo.sumWeightedRadii += radiusWeight * radiusScale * glm::distance(vertex, boneEnd - boneDirection * proj);
++jointShapeInfo.numVertexWeights;
++jointShapeInfo.numVertices;
}
// look for an unused slot in the weights vector
glm::vec4& weights = extracted.mesh.clusterWeights[it.value()];
int lowestIndex = -1;
float lowestWeight = FLT_MAX;
int k = 0;
for (; k < 4; k++) {
if (weights[k] == 0.0f) {
extracted.mesh.clusterIndices[it.value()][k] = i;
weights[k] = weight;
break;
}
if (weights[k] < lowestWeight) {
lowestIndex = k;
lowestWeight = weights[k];
}
}
if (k == 4 && weight > lowestWeight) {
// no space for an additional weight; we must replace the lowest
weights[lowestIndex] = weight;
extracted.mesh.clusterIndices[it.value()][lowestIndex] = i;
}
}
}
if (totalWeight > maxWeight) {
maxWeight = totalWeight;
maxJointIndex = jointIndex;
}
}
// normalize the weights if they don't add up to one
for (int i = 0; i < extracted.mesh.clusterWeights.size(); i++) {
glm::vec4& weights = extracted.mesh.clusterWeights[i];
float total = weights.x + weights.y + weights.z + weights.w;
if (total != 1.0f && total != 0.0f) {
weights /= total;
}
}
} else {
int jointIndex = maxJointIndex;
FBXJoint& joint = geometry.joints[jointIndex];
JointShapeInfo& jointShapeInfo = jointShapeInfos[jointIndex];
glm::mat4 transformJointToMesh = inverseModelTransform * joint.bindTransform;
glm::vec3 boneEnd = extractTranslation(transformJointToMesh);
glm::vec3 boneBegin = boneEnd;
glm::vec3 boneDirection;
float boneLength = 0.0f;
if (joint.parentIndex != -1) {
boneBegin = extractTranslation(inverseModelTransform * geometry.joints[joint.parentIndex].bindTransform);
boneDirection = boneEnd - boneBegin;
boneLength = glm::length(boneDirection);
if (boneLength > EPSILON) {
boneDirection /= boneLength;
}
}
float radiusScale = extractUniformScale(joint.transform * firstFBXCluster.inverseBindMatrix);
glm::vec3 averageVertex(0.0f);
foreach (const glm::vec3& vertex, extracted.mesh.vertices) {
float proj = glm::dot(boneDirection, boneEnd - vertex);
float radiusWeight = (proj < 0.0f || proj > boneLength) ? 0.5f : 1.0f;
jointShapeInfo.sumVertexWeights += radiusWeight;
jointShapeInfo.sumWeightedRadii += radiusWeight * radiusScale * glm::distance(vertex, boneEnd - boneDirection * proj);
++jointShapeInfo.numVertexWeights;
averageVertex += vertex;
}
int numVertices = extracted.mesh.vertices.size();
jointShapeInfo.numVertices = numVertices;
if (numVertices > 0) {
averageVertex /= (float)jointShapeInfo.numVertices;
float averageRadius = 0.0f;
foreach (const glm::vec3& vertex, extracted.mesh.vertices) {
averageRadius += glm::distance(vertex, averageVertex);
}
jointShapeInfo.averageRadius = averageRadius * radiusScale;
}
}
extracted.mesh.isEye = (maxJointIndex == geometry.leftEyeJointIndex || maxJointIndex == geometry.rightEyeJointIndex);
# if USE_MODEL_MESH
buildModelMesh(extracted, url);
# endif
if (extracted.mesh.isEye) {
if (maxJointIndex == geometry.leftEyeJointIndex) {
geometry.leftEyeSize = extracted.mesh.meshExtents.largestDimension() * offsetScale;
} else {
geometry.rightEyeSize = extracted.mesh.meshExtents.largestDimension() * offsetScale;
}
}
geometry.meshes.append(extracted.mesh);
int meshIndex = geometry.meshes.size() - 1;
meshIDsToMeshIndices.insert(it.key(), meshIndex);
}
// now that all joints have been scanned, compute a radius for each bone
glm::vec3 defaultCapsuleAxis(0.0f, 1.0f, 0.0f);
for (int i = 0; i < geometry.joints.size(); ++i) {
FBXJoint& joint = geometry.joints[i];
JointShapeInfo& jointShapeInfo = jointShapeInfos[i];
if (joint.parentIndex == -1) {
jointShapeInfo.boneBegin = glm::vec3(0.0f);
} else {
const FBXJoint& parentJoint = geometry.joints[joint.parentIndex];
glm::quat inverseRotation = glm::inverse(extractRotation(joint.transform));
jointShapeInfo.boneBegin = inverseRotation * (extractTranslation(parentJoint.transform) - extractTranslation(joint.transform));
}
if (jointShapeInfo.sumVertexWeights > 0.0f) {
joint.boneRadius = jointShapeInfo.sumWeightedRadii / jointShapeInfo.sumVertexWeights;
}
// the joint is "capsule-like" if it had ANY mesh vertices successfully projected onto the bone
// AND its boneRadius is not too close to zero
bool collideLikeCapsule = jointShapeInfo.numVertexWeights > 0
&& glm::length(jointShapeInfo.boneBegin) > EPSILON;
if (!collideLikeCapsule) {
// this joint's mesh did not successfully project onto the bone axis
// so it isn't "capsule-like" and we need to estimate its radius a different way:
// the average radius to the average point.
if (jointShapeInfo.numVertexWeights == 0
&& jointShapeInfo.numVertices > 0) {
jointShapeInfo.averageRadius /= (float)jointShapeInfo.numVertices;
joint.boneRadius = jointShapeInfo.averageRadius;
}
}
}
geometry.palmDirection = parseVec3(mapping.value("palmDirection", "0, -1, 0").toString());
// Add sitting points
QVariantHash sittingPoints = mapping.value("sit").toHash();
for (QVariantHash::const_iterator it = sittingPoints.constBegin(); it != sittingPoints.constEnd(); it++) {
SittingPoint sittingPoint;
sittingPoint.name = it.key();
QVariantList properties = it->toList();
sittingPoint.position = parseVec3(properties.at(0).toString());
sittingPoint.rotation = glm::quat(glm::radians(parseVec3(properties.at(1).toString())));
geometry.sittingPoints.append(sittingPoint);
}
// attempt to map any meshes to a named model
for (QHash<QString, int>::const_iterator m = meshIDsToMeshIndices.constBegin();
m != meshIDsToMeshIndices.constEnd(); m++) {
const QString& meshID = m.key();
int meshIndex = m.value();
if (ooChildToParent.contains(meshID)) {
const QString& modelID = ooChildToParent.value(meshID);
if (modelIDsToNames.contains(modelID)) {
const QString& modelName = modelIDsToNames.value(modelID);
geometry.meshIndicesToModelNames.insert(meshIndex, modelName);
}
}
}
return geometryPtr;
}
FBXGeometry* readFBX(const QByteArray& model, const QVariantHash& mapping, const QString& url, bool loadLightmaps, float lightmapLevel) {
QBuffer buffer(const_cast<QByteArray*>(&model));
buffer.open(QIODevice::ReadOnly);
return readFBX(&buffer, mapping, url, loadLightmaps, lightmapLevel);
}
FBXGeometry* readFBX(QIODevice* device, const QVariantHash& mapping, const QString& url, bool loadLightmaps, float lightmapLevel) {
return extractFBXGeometry(parseFBX(device), mapping, url, loadLightmaps, lightmapLevel);
}
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