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2150 lines
90 KiB
C++
Executable file
2150 lines
90 KiB
C++
Executable file
//
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// GLTFSerializer.cpp
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// libraries/model-serializers/src
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//
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// Created by Luis Cuenca on 8/30/17.
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// Copyright 2017 High Fidelity, Inc.
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//
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// Distributed under the Apache License, Version 2.0.
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// See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
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//
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#include "GLTFSerializer.h"
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#include <QtCore/QBuffer>
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#include <QtCore/QIODevice>
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#include <QtCore/QEventLoop>
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#include <QtCore/qjsondocument.h>
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#include <QtCore/qjsonobject.h>
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#include <QtCore/qjsonarray.h>
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#include <QtCore/qjsonvalue.h>
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#include <QtCore/qpair.h>
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#include <QtCore/qlist.h>
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#include <QtNetwork/QNetworkAccessManager>
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#include <QtNetwork/QNetworkRequest>
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#include <qfile.h>
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#include <qfileinfo.h>
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#include <shared/NsightHelpers.h>
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#include <NetworkAccessManager.h>
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#include <ResourceManager.h>
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#include <PathUtils.h>
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#include <image/ColorChannel.h>
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#include <BlendshapeConstants.h>
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#include "FBXSerializer.h"
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#define GLTF_GET_INDICIES(accCount) int index1 = (indices[n + 0] * accCount); int index2 = (indices[n + 1] * accCount); int index3 = (indices[n + 2] * accCount);
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#define GLTF_APPEND_ARRAY_1(newArray, oldArray) GLTF_GET_INDICIES(1) \
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newArray.append(oldArray[index1]); \
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newArray.append(oldArray[index2]); \
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newArray.append(oldArray[index3]);
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#define GLTF_APPEND_ARRAY_2(newArray, oldArray) GLTF_GET_INDICIES(2) \
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newArray.append(oldArray[index1]); newArray.append(oldArray[index1 + 1]); \
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newArray.append(oldArray[index2]); newArray.append(oldArray[index2 + 1]); \
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newArray.append(oldArray[index3]); newArray.append(oldArray[index3 + 1]);
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#define GLTF_APPEND_ARRAY_3(newArray, oldArray) GLTF_GET_INDICIES(3) \
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newArray.append(oldArray[index1]); newArray.append(oldArray[index1 + 1]); newArray.append(oldArray[index1 + 2]); \
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newArray.append(oldArray[index2]); newArray.append(oldArray[index2 + 1]); newArray.append(oldArray[index2 + 2]); \
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newArray.append(oldArray[index3]); newArray.append(oldArray[index3 + 1]); newArray.append(oldArray[index3 + 2]);
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#define GLTF_APPEND_ARRAY_4(newArray, oldArray) GLTF_GET_INDICIES(4) \
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newArray.append(oldArray[index1]); newArray.append(oldArray[index1 + 1]); newArray.append(oldArray[index1 + 2]); newArray.append(oldArray[index1 + 3]); \
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newArray.append(oldArray[index2]); newArray.append(oldArray[index2 + 1]); newArray.append(oldArray[index2 + 2]); newArray.append(oldArray[index2 + 3]); \
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newArray.append(oldArray[index3]); newArray.append(oldArray[index3 + 1]); newArray.append(oldArray[index3 + 2]); newArray.append(oldArray[index3 + 3]);
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bool GLTFSerializer::getStringVal(const QJsonObject& object, const QString& fieldname,
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QString& value, QMap<QString, bool>& defined) {
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bool _defined = (object.contains(fieldname) && object[fieldname].isString());
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if (_defined) {
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value = object[fieldname].toString();
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}
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defined.insert(fieldname, _defined);
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return _defined;
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}
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bool GLTFSerializer::getBoolVal(const QJsonObject& object, const QString& fieldname,
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bool& value, QMap<QString, bool>& defined) {
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bool _defined = (object.contains(fieldname) && object[fieldname].isBool());
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if (_defined) {
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value = object[fieldname].toBool();
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}
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defined.insert(fieldname, _defined);
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return _defined;
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}
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bool GLTFSerializer::getIntVal(const QJsonObject& object, const QString& fieldname,
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int& value, QMap<QString, bool>& defined) {
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bool _defined = (object.contains(fieldname) && !object[fieldname].isNull());
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if (_defined) {
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value = object[fieldname].toInt();
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}
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defined.insert(fieldname, _defined);
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return _defined;
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}
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bool GLTFSerializer::getDoubleVal(const QJsonObject& object, const QString& fieldname,
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double& value, QMap<QString, bool>& defined) {
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bool _defined = (object.contains(fieldname) && object[fieldname].isDouble());
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if (_defined) {
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value = object[fieldname].toDouble();
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}
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defined.insert(fieldname, _defined);
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return _defined;
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}
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bool GLTFSerializer::getObjectVal(const QJsonObject& object, const QString& fieldname,
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QJsonObject& value, QMap<QString, bool>& defined) {
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bool _defined = (object.contains(fieldname) && object[fieldname].isObject());
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if (_defined) {
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value = object[fieldname].toObject();
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}
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defined.insert(fieldname, _defined);
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return _defined;
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}
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bool GLTFSerializer::getIntArrayVal(const QJsonObject& object, const QString& fieldname,
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QVector<int>& values, QMap<QString, bool>& defined) {
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bool _defined = (object.contains(fieldname) && object[fieldname].isArray());
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if (_defined) {
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QJsonArray arr = object[fieldname].toArray();
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foreach(const QJsonValue & v, arr) {
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if (!v.isNull()) {
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values.push_back(v.toInt());
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}
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}
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}
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defined.insert(fieldname, _defined);
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return _defined;
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}
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bool GLTFSerializer::getDoubleArrayVal(const QJsonObject& object, const QString& fieldname,
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QVector<double>& values, QMap<QString, bool>& defined) {
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bool _defined = (object.contains(fieldname) && object[fieldname].isArray());
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if (_defined) {
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QJsonArray arr = object[fieldname].toArray();
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foreach(const QJsonValue & v, arr) {
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if (v.isDouble()) {
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values.push_back(v.toDouble());
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}
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}
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}
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defined.insert(fieldname, _defined);
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return _defined;
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}
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bool GLTFSerializer::getObjectArrayVal(const QJsonObject& object, const QString& fieldname,
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QJsonArray& objects, QMap<QString, bool>& defined) {
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bool _defined = (object.contains(fieldname) && object[fieldname].isArray());
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if (_defined) {
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objects = object[fieldname].toArray();
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}
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defined.insert(fieldname, _defined);
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return _defined;
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}
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hifi::ByteArray GLTFSerializer::setGLBChunks(const hifi::ByteArray& data) {
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int byte = 4;
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int jsonStart = data.indexOf("JSON", Qt::CaseSensitive);
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int binStart = data.indexOf("BIN", Qt::CaseSensitive);
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int jsonLength, binLength;
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hifi::ByteArray jsonLengthChunk, binLengthChunk;
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jsonLengthChunk = data.mid(jsonStart - byte, byte);
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QDataStream tempJsonLen(jsonLengthChunk);
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tempJsonLen.setByteOrder(QDataStream::LittleEndian);
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tempJsonLen >> jsonLength;
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hifi::ByteArray jsonChunk = data.mid(jsonStart + byte, jsonLength);
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if (binStart != -1) {
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binLengthChunk = data.mid(binStart - byte, byte);
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QDataStream tempBinLen(binLengthChunk);
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tempBinLen.setByteOrder(QDataStream::LittleEndian);
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tempBinLen >> binLength;
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_glbBinary = data.mid(binStart + byte, binLength);
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}
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return jsonChunk;
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}
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int GLTFSerializer::getMeshPrimitiveRenderingMode(const QString& type)
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{
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if (type == "POINTS") {
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return GLTFMeshPrimitivesRenderingMode::POINTS;
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}
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if (type == "LINES") {
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return GLTFMeshPrimitivesRenderingMode::LINES;
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}
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if (type == "LINE_LOOP") {
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return GLTFMeshPrimitivesRenderingMode::LINE_LOOP;
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}
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if (type == "LINE_STRIP") {
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return GLTFMeshPrimitivesRenderingMode::LINE_STRIP;
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}
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if (type == "TRIANGLES") {
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return GLTFMeshPrimitivesRenderingMode::TRIANGLES;
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}
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if (type == "TRIANGLE_STRIP") {
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return GLTFMeshPrimitivesRenderingMode::TRIANGLE_STRIP;
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}
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if (type == "TRIANGLE_FAN") {
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return GLTFMeshPrimitivesRenderingMode::TRIANGLE_FAN;
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}
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return GLTFMeshPrimitivesRenderingMode::TRIANGLES;
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}
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int GLTFSerializer::getAccessorType(const QString& type)
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{
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if (type == "SCALAR") {
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return GLTFAccessorType::SCALAR;
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}
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if (type == "VEC2") {
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return GLTFAccessorType::VEC2;
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}
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if (type == "VEC3") {
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return GLTFAccessorType::VEC3;
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}
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if (type == "VEC4") {
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return GLTFAccessorType::VEC4;
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}
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if (type == "MAT2") {
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return GLTFAccessorType::MAT2;
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}
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if (type == "MAT3") {
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return GLTFAccessorType::MAT3;
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}
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if (type == "MAT4") {
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return GLTFAccessorType::MAT4;
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}
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return GLTFAccessorType::SCALAR;
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}
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graphics::MaterialKey::OpacityMapMode GLTFSerializer::getMaterialAlphaMode(const QString& type) {
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if (type == "OPAQUE") {
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return graphics::MaterialKey::OPACITY_MAP_OPAQUE;
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}
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if (type == "MASK") {
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return graphics::MaterialKey::OPACITY_MAP_MASK;
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}
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if (type == "BLEND") {
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return graphics::MaterialKey::OPACITY_MAP_BLEND;
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}
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return graphics::MaterialKey::OPACITY_MAP_BLEND;
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}
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int GLTFSerializer::getCameraType(const QString& type)
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{
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if (type == "orthographic") {
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return GLTFCameraTypes::ORTHOGRAPHIC;
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}
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if (type == "perspective") {
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return GLTFCameraTypes::PERSPECTIVE;
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}
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return GLTFCameraTypes::PERSPECTIVE;
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}
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int GLTFSerializer::getImageMimeType(const QString& mime)
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{
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if (mime == "image/jpeg") {
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return GLTFImageMimetype::JPEG;
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}
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if (mime == "image/png") {
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return GLTFImageMimetype::PNG;
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}
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return GLTFImageMimetype::JPEG;
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}
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int GLTFSerializer::getAnimationSamplerInterpolation(const QString& interpolation)
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{
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if (interpolation == "LINEAR") {
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return GLTFAnimationSamplerInterpolation::LINEAR;
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}
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return GLTFAnimationSamplerInterpolation::LINEAR;
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}
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bool GLTFSerializer::setAsset(const QJsonObject& object) {
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QJsonObject jsAsset;
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bool isAssetDefined = getObjectVal(object, "asset", jsAsset, _file.defined);
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if (isAssetDefined) {
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if (!getStringVal(jsAsset, "version", _file.asset.version,
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_file.asset.defined) || _file.asset.version != "2.0") {
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return false;
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}
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getStringVal(jsAsset, "generator", _file.asset.generator, _file.asset.defined);
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getStringVal(jsAsset, "copyright", _file.asset.copyright, _file.asset.defined);
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}
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return isAssetDefined;
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}
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GLTFAccessor::GLTFAccessorSparse::GLTFAccessorSparseIndices GLTFSerializer::createAccessorSparseIndices(const QJsonObject& object) {
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GLTFAccessor::GLTFAccessorSparse::GLTFAccessorSparseIndices accessorSparseIndices;
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getIntVal(object, "bufferView", accessorSparseIndices.bufferView, accessorSparseIndices.defined);
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getIntVal(object, "byteOffset", accessorSparseIndices.byteOffset, accessorSparseIndices.defined);
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getIntVal(object, "componentType", accessorSparseIndices.componentType, accessorSparseIndices.defined);
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return accessorSparseIndices;
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}
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GLTFAccessor::GLTFAccessorSparse::GLTFAccessorSparseValues GLTFSerializer::createAccessorSparseValues(const QJsonObject& object) {
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GLTFAccessor::GLTFAccessorSparse::GLTFAccessorSparseValues accessorSparseValues;
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getIntVal(object, "bufferView", accessorSparseValues.bufferView, accessorSparseValues.defined);
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getIntVal(object, "byteOffset", accessorSparseValues.byteOffset, accessorSparseValues.defined);
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return accessorSparseValues;
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}
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GLTFAccessor::GLTFAccessorSparse GLTFSerializer::createAccessorSparse(const QJsonObject& object) {
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GLTFAccessor::GLTFAccessorSparse accessorSparse;
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getIntVal(object, "count", accessorSparse.count, accessorSparse.defined);
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QJsonObject sparseIndicesObject;
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if (getObjectVal(object, "indices", sparseIndicesObject, accessorSparse.defined)) {
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accessorSparse.indices = createAccessorSparseIndices(sparseIndicesObject);
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}
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QJsonObject sparseValuesObject;
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if (getObjectVal(object, "values", sparseValuesObject, accessorSparse.defined)) {
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accessorSparse.values = createAccessorSparseValues(sparseValuesObject);
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}
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return accessorSparse;
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}
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bool GLTFSerializer::addAccessor(const QJsonObject& object) {
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GLTFAccessor accessor;
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getIntVal(object, "bufferView", accessor.bufferView, accessor.defined);
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getIntVal(object, "byteOffset", accessor.byteOffset, accessor.defined);
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getIntVal(object, "componentType", accessor.componentType, accessor.defined);
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getIntVal(object, "count", accessor.count, accessor.defined);
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getBoolVal(object, "normalized", accessor.normalized, accessor.defined);
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QString type;
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if (getStringVal(object, "type", type, accessor.defined)) {
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accessor.type = getAccessorType(type);
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}
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QJsonObject sparseObject;
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if (getObjectVal(object, "sparse", sparseObject, accessor.defined)) {
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accessor.sparse = createAccessorSparse(sparseObject);
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}
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getDoubleArrayVal(object, "max", accessor.max, accessor.defined);
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getDoubleArrayVal(object, "min", accessor.min, accessor.defined);
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_file.accessors.push_back(accessor);
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return true;
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}
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bool GLTFSerializer::addAnimation(const QJsonObject& object) {
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GLTFAnimation animation;
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QJsonArray channels;
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if (getObjectArrayVal(object, "channels", channels, animation.defined)) {
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foreach(const QJsonValue & v, channels) {
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if (v.isObject()) {
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GLTFChannel channel;
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getIntVal(v.toObject(), "sampler", channel.sampler, channel.defined);
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QJsonObject jsChannel;
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if (getObjectVal(v.toObject(), "target", jsChannel, channel.defined)) {
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getIntVal(jsChannel, "node", channel.target.node, channel.target.defined);
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getIntVal(jsChannel, "path", channel.target.path, channel.target.defined);
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}
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}
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}
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}
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QJsonArray samplers;
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if (getObjectArrayVal(object, "samplers", samplers, animation.defined)) {
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foreach(const QJsonValue & v, samplers) {
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if (v.isObject()) {
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GLTFAnimationSampler sampler;
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getIntVal(v.toObject(), "input", sampler.input, sampler.defined);
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getIntVal(v.toObject(), "output", sampler.input, sampler.defined);
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QString interpolation;
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if (getStringVal(v.toObject(), "interpolation", interpolation, sampler.defined)) {
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sampler.interpolation = getAnimationSamplerInterpolation(interpolation);
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}
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}
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}
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}
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_file.animations.push_back(animation);
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return true;
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}
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bool GLTFSerializer::addBufferView(const QJsonObject& object) {
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GLTFBufferView bufferview;
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getIntVal(object, "buffer", bufferview.buffer, bufferview.defined);
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getIntVal(object, "byteLength", bufferview.byteLength, bufferview.defined);
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getIntVal(object, "byteOffset", bufferview.byteOffset, bufferview.defined);
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getIntVal(object, "target", bufferview.target, bufferview.defined);
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_file.bufferviews.push_back(bufferview);
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return true;
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}
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bool GLTFSerializer::addBuffer(const QJsonObject& object) {
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GLTFBuffer buffer;
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getIntVal(object, "byteLength", buffer.byteLength, buffer.defined);
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if (_url.path().endsWith("glb")) {
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if (!_glbBinary.isEmpty()) {
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buffer.blob = _glbBinary;
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} else {
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return false;
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}
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}
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if (getStringVal(object, "uri", buffer.uri, buffer.defined)) {
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if (!readBinary(buffer.uri, buffer.blob)) {
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return false;
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}
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}
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_file.buffers.push_back(buffer);
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return true;
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}
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bool GLTFSerializer::addCamera(const QJsonObject& object) {
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GLTFCamera camera;
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QJsonObject jsPerspective;
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QJsonObject jsOrthographic;
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QString type;
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getStringVal(object, "name", camera.name, camera.defined);
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if (getObjectVal(object, "perspective", jsPerspective, camera.defined)) {
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getDoubleVal(jsPerspective, "aspectRatio", camera.perspective.aspectRatio, camera.perspective.defined);
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getDoubleVal(jsPerspective, "yfov", camera.perspective.yfov, camera.perspective.defined);
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getDoubleVal(jsPerspective, "zfar", camera.perspective.zfar, camera.perspective.defined);
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getDoubleVal(jsPerspective, "znear", camera.perspective.znear, camera.perspective.defined);
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camera.type = GLTFCameraTypes::PERSPECTIVE;
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} else if (getObjectVal(object, "orthographic", jsOrthographic, camera.defined)) {
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getDoubleVal(jsOrthographic, "zfar", camera.orthographic.zfar, camera.orthographic.defined);
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getDoubleVal(jsOrthographic, "znear", camera.orthographic.znear, camera.orthographic.defined);
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getDoubleVal(jsOrthographic, "xmag", camera.orthographic.xmag, camera.orthographic.defined);
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getDoubleVal(jsOrthographic, "ymag", camera.orthographic.ymag, camera.orthographic.defined);
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camera.type = GLTFCameraTypes::ORTHOGRAPHIC;
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} else if (getStringVal(object, "type", type, camera.defined)) {
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camera.type = getCameraType(type);
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}
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_file.cameras.push_back(camera);
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return true;
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}
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bool GLTFSerializer::addImage(const QJsonObject& object) {
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GLTFImage image;
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QString mime;
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getStringVal(object, "uri", image.uri, image.defined);
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if (image.uri.contains("data:image/png;base64,")) {
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image.mimeType = getImageMimeType("image/png");
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} else if (image.uri.contains("data:image/jpeg;base64,")) {
|
|
image.mimeType = getImageMimeType("image/jpeg");
|
|
}
|
|
if (getStringVal(object, "mimeType", mime, image.defined)) {
|
|
image.mimeType = getImageMimeType(mime);
|
|
}
|
|
getIntVal(object, "bufferView", image.bufferView, image.defined);
|
|
|
|
_file.images.push_back(image);
|
|
|
|
return true;
|
|
}
|
|
|
|
bool GLTFSerializer::getIndexFromObject(const QJsonObject& object, const QString& field,
|
|
int& outidx, QMap<QString, bool>& defined) {
|
|
QJsonObject subobject;
|
|
if (getObjectVal(object, field, subobject, defined)) {
|
|
QMap<QString, bool> tmpdefined = QMap<QString, bool>();
|
|
return getIntVal(subobject, "index", outidx, tmpdefined);
|
|
}
|
|
return false;
|
|
}
|
|
|
|
bool GLTFSerializer::addMaterial(const QJsonObject& object) {
|
|
GLTFMaterial material;
|
|
|
|
getStringVal(object, "name", material.name, material.defined);
|
|
getDoubleArrayVal(object, "emissiveFactor", material.emissiveFactor, material.defined);
|
|
getIndexFromObject(object, "emissiveTexture", material.emissiveTexture, material.defined);
|
|
getIndexFromObject(object, "normalTexture", material.normalTexture, material.defined);
|
|
getIndexFromObject(object, "occlusionTexture", material.occlusionTexture, material.defined);
|
|
getBoolVal(object, "doubleSided", material.doubleSided, material.defined);
|
|
QString alphaMode;
|
|
if (getStringVal(object, "alphaMode", alphaMode, material.defined)) {
|
|
material.alphaMode = getMaterialAlphaMode(alphaMode);
|
|
}
|
|
getDoubleVal(object, "alphaCutoff", material.alphaCutoff, material.defined);
|
|
QJsonObject jsMetallicRoughness;
|
|
if (getObjectVal(object, "pbrMetallicRoughness", jsMetallicRoughness, material.defined)) {
|
|
getDoubleArrayVal(jsMetallicRoughness, "baseColorFactor",
|
|
material.pbrMetallicRoughness.baseColorFactor,
|
|
material.pbrMetallicRoughness.defined);
|
|
getIndexFromObject(jsMetallicRoughness, "baseColorTexture",
|
|
material.pbrMetallicRoughness.baseColorTexture,
|
|
material.pbrMetallicRoughness.defined);
|
|
// Undefined metallicFactor used with pbrMetallicRoughness means metallicFactor == 1.0
|
|
if (!getDoubleVal(jsMetallicRoughness, "metallicFactor",
|
|
material.pbrMetallicRoughness.metallicFactor,
|
|
material.pbrMetallicRoughness.defined)) {
|
|
material.pbrMetallicRoughness.metallicFactor = 1.0;
|
|
material.pbrMetallicRoughness.defined["metallicFactor"] = true;
|
|
}
|
|
getDoubleVal(jsMetallicRoughness, "roughnessFactor",
|
|
material.pbrMetallicRoughness.roughnessFactor,
|
|
material.pbrMetallicRoughness.defined);
|
|
getIndexFromObject(jsMetallicRoughness, "metallicRoughnessTexture",
|
|
material.pbrMetallicRoughness.metallicRoughnessTexture,
|
|
material.pbrMetallicRoughness.defined);
|
|
}
|
|
_file.materials.push_back(material);
|
|
return true;
|
|
}
|
|
|
|
bool GLTFSerializer::addMesh(const QJsonObject& object) {
|
|
GLTFMesh mesh;
|
|
|
|
getStringVal(object, "name", mesh.name, mesh.defined);
|
|
getDoubleArrayVal(object, "weights", mesh.weights, mesh.defined);
|
|
QJsonArray jsPrimitives;
|
|
object.keys();
|
|
if (getObjectArrayVal(object, "primitives", jsPrimitives, mesh.defined)) {
|
|
foreach(const QJsonValue & prim, jsPrimitives) {
|
|
if (prim.isObject()) {
|
|
GLTFMeshPrimitive primitive;
|
|
QJsonObject jsPrimitive = prim.toObject();
|
|
getIntVal(jsPrimitive, "mode", primitive.mode, primitive.defined);
|
|
getIntVal(jsPrimitive, "indices", primitive.indices, primitive.defined);
|
|
getIntVal(jsPrimitive, "material", primitive.material, primitive.defined);
|
|
|
|
QJsonObject jsAttributes;
|
|
if (getObjectVal(jsPrimitive, "attributes", jsAttributes, primitive.defined)) {
|
|
QStringList attrKeys = jsAttributes.keys();
|
|
foreach(const QString & attrKey, attrKeys) {
|
|
int attrVal;
|
|
getIntVal(jsAttributes, attrKey, attrVal, primitive.attributes.defined);
|
|
primitive.attributes.values.insert(attrKey, attrVal);
|
|
}
|
|
}
|
|
|
|
QJsonArray jsTargets;
|
|
if (getObjectArrayVal(jsPrimitive, "targets", jsTargets, primitive.defined)) {
|
|
foreach(const QJsonValue & tar, jsTargets) {
|
|
if (tar.isObject()) {
|
|
QJsonObject jsTarget = tar.toObject();
|
|
QStringList tarKeys = jsTarget.keys();
|
|
GLTFMeshPrimitiveAttr target;
|
|
foreach(const QString & tarKey, tarKeys) {
|
|
int tarVal;
|
|
getIntVal(jsTarget, tarKey, tarVal, target.defined);
|
|
target.values.insert(tarKey, tarVal);
|
|
}
|
|
primitive.targets.push_back(target);
|
|
}
|
|
}
|
|
}
|
|
mesh.primitives.push_back(primitive);
|
|
}
|
|
}
|
|
}
|
|
|
|
QJsonObject jsExtras;
|
|
GLTFMeshExtra extras;
|
|
if (getObjectVal(object, "extras", jsExtras, mesh.defined)) {
|
|
QJsonArray jsTargetNames;
|
|
if (getObjectArrayVal(jsExtras, "targetNames", jsTargetNames, extras.defined)) {
|
|
foreach (const QJsonValue& tarName, jsTargetNames) {
|
|
extras.targetNames.push_back(tarName.toString());
|
|
}
|
|
}
|
|
mesh.extras = extras;
|
|
}
|
|
|
|
_file.meshes.push_back(mesh);
|
|
|
|
return true;
|
|
}
|
|
|
|
bool GLTFSerializer::addNode(const QJsonObject& object) {
|
|
GLTFNode node;
|
|
|
|
getStringVal(object, "name", node.name, node.defined);
|
|
getIntVal(object, "camera", node.camera, node.defined);
|
|
getIntVal(object, "mesh", node.mesh, node.defined);
|
|
getIntArrayVal(object, "children", node.children, node.defined);
|
|
getDoubleArrayVal(object, "translation", node.translation, node.defined);
|
|
getDoubleArrayVal(object, "rotation", node.rotation, node.defined);
|
|
getDoubleArrayVal(object, "scale", node.scale, node.defined);
|
|
getDoubleArrayVal(object, "matrix", node.matrix, node.defined);
|
|
getIntVal(object, "skin", node.skin, node.defined);
|
|
getStringVal(object, "jointName", node.jointName, node.defined);
|
|
getIntArrayVal(object, "skeletons", node.skeletons, node.defined);
|
|
|
|
_file.nodes.push_back(node);
|
|
|
|
return true;
|
|
}
|
|
|
|
bool GLTFSerializer::addSampler(const QJsonObject& object) {
|
|
GLTFSampler sampler;
|
|
|
|
getIntVal(object, "magFilter", sampler.magFilter, sampler.defined);
|
|
getIntVal(object, "minFilter", sampler.minFilter, sampler.defined);
|
|
getIntVal(object, "wrapS", sampler.wrapS, sampler.defined);
|
|
getIntVal(object, "wrapT", sampler.wrapT, sampler.defined);
|
|
|
|
_file.samplers.push_back(sampler);
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
bool GLTFSerializer::addScene(const QJsonObject& object) {
|
|
GLTFScene scene;
|
|
|
|
getStringVal(object, "name", scene.name, scene.defined);
|
|
getIntArrayVal(object, "nodes", scene.nodes, scene.defined);
|
|
|
|
_file.scenes.push_back(scene);
|
|
return true;
|
|
}
|
|
|
|
bool GLTFSerializer::addSkin(const QJsonObject& object) {
|
|
GLTFSkin skin;
|
|
|
|
getIntVal(object, "inverseBindMatrices", skin.inverseBindMatrices, skin.defined);
|
|
getIntVal(object, "skeleton", skin.skeleton, skin.defined);
|
|
getIntArrayVal(object, "joints", skin.joints, skin.defined);
|
|
|
|
_file.skins.push_back(skin);
|
|
|
|
return true;
|
|
}
|
|
|
|
bool GLTFSerializer::addTexture(const QJsonObject& object) {
|
|
GLTFTexture texture;
|
|
getIntVal(object, "sampler", texture.sampler, texture.defined);
|
|
getIntVal(object, "source", texture.source, texture.defined);
|
|
|
|
_file.textures.push_back(texture);
|
|
|
|
return true;
|
|
}
|
|
|
|
bool GLTFSerializer::parseGLTF(const hifi::ByteArray& data) {
|
|
PROFILE_RANGE_EX(resource_parse, __FUNCTION__, 0xffff0000, nullptr);
|
|
|
|
hifi::ByteArray jsonChunk = data;
|
|
|
|
if (_url.path().endsWith("glb") && data.indexOf("glTF") == 0 && data.contains("JSON")) {
|
|
jsonChunk = setGLBChunks(data);
|
|
}
|
|
|
|
QJsonDocument d = QJsonDocument::fromJson(jsonChunk);
|
|
QJsonObject jsFile = d.object();
|
|
|
|
bool success = setAsset(jsFile);
|
|
if (success) {
|
|
QJsonArray accessors;
|
|
if (getObjectArrayVal(jsFile, "accessors", accessors, _file.defined)) {
|
|
foreach(const QJsonValue & accVal, accessors) {
|
|
if (accVal.isObject()) {
|
|
success = success && addAccessor(accVal.toObject());
|
|
}
|
|
}
|
|
}
|
|
|
|
QJsonArray animations;
|
|
if (getObjectArrayVal(jsFile, "animations", animations, _file.defined)) {
|
|
foreach(const QJsonValue & animVal, accessors) {
|
|
if (animVal.isObject()) {
|
|
success = success && addAnimation(animVal.toObject());
|
|
}
|
|
}
|
|
}
|
|
|
|
QJsonArray bufferViews;
|
|
if (getObjectArrayVal(jsFile, "bufferViews", bufferViews, _file.defined)) {
|
|
foreach(const QJsonValue & bufviewVal, bufferViews) {
|
|
if (bufviewVal.isObject()) {
|
|
success = success && addBufferView(bufviewVal.toObject());
|
|
}
|
|
}
|
|
}
|
|
|
|
QJsonArray buffers;
|
|
if (getObjectArrayVal(jsFile, "buffers", buffers, _file.defined)) {
|
|
foreach(const QJsonValue & bufVal, buffers) {
|
|
if (bufVal.isObject()) {
|
|
success = success && addBuffer(bufVal.toObject());
|
|
}
|
|
}
|
|
}
|
|
|
|
QJsonArray cameras;
|
|
if (getObjectArrayVal(jsFile, "cameras", cameras, _file.defined)) {
|
|
foreach(const QJsonValue & camVal, cameras) {
|
|
if (camVal.isObject()) {
|
|
success = success && addCamera(camVal.toObject());
|
|
}
|
|
}
|
|
}
|
|
|
|
QJsonArray images;
|
|
if (getObjectArrayVal(jsFile, "images", images, _file.defined)) {
|
|
foreach(const QJsonValue & imgVal, images) {
|
|
if (imgVal.isObject()) {
|
|
success = success && addImage(imgVal.toObject());
|
|
}
|
|
}
|
|
}
|
|
|
|
QJsonArray materials;
|
|
if (getObjectArrayVal(jsFile, "materials", materials, _file.defined)) {
|
|
foreach(const QJsonValue & matVal, materials) {
|
|
if (matVal.isObject()) {
|
|
success = success && addMaterial(matVal.toObject());
|
|
}
|
|
}
|
|
}
|
|
|
|
QJsonArray meshes;
|
|
if (getObjectArrayVal(jsFile, "meshes", meshes, _file.defined)) {
|
|
foreach(const QJsonValue & meshVal, meshes) {
|
|
if (meshVal.isObject()) {
|
|
success = success && addMesh(meshVal.toObject());
|
|
}
|
|
}
|
|
}
|
|
|
|
QJsonArray nodes;
|
|
if (getObjectArrayVal(jsFile, "nodes", nodes, _file.defined)) {
|
|
foreach(const QJsonValue & nodeVal, nodes) {
|
|
if (nodeVal.isObject()) {
|
|
success = success && addNode(nodeVal.toObject());
|
|
}
|
|
}
|
|
}
|
|
|
|
QJsonArray samplers;
|
|
if (getObjectArrayVal(jsFile, "samplers", samplers, _file.defined)) {
|
|
foreach(const QJsonValue & samVal, samplers) {
|
|
if (samVal.isObject()) {
|
|
success = success && addSampler(samVal.toObject());
|
|
}
|
|
}
|
|
}
|
|
|
|
QJsonArray scenes;
|
|
if (getObjectArrayVal(jsFile, "scenes", scenes, _file.defined)) {
|
|
foreach(const QJsonValue & sceneVal, scenes) {
|
|
if (sceneVal.isObject()) {
|
|
success = success && addScene(sceneVal.toObject());
|
|
}
|
|
}
|
|
}
|
|
|
|
QJsonArray skins;
|
|
if (getObjectArrayVal(jsFile, "skins", skins, _file.defined)) {
|
|
foreach(const QJsonValue & skinVal, skins) {
|
|
if (skinVal.isObject()) {
|
|
success = success && addSkin(skinVal.toObject());
|
|
}
|
|
}
|
|
}
|
|
|
|
QJsonArray textures;
|
|
if (getObjectArrayVal(jsFile, "textures", textures, _file.defined)) {
|
|
foreach(const QJsonValue & texVal, textures) {
|
|
if (texVal.isObject()) {
|
|
success = success && addTexture(texVal.toObject());
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return success;
|
|
}
|
|
|
|
glm::mat4 GLTFSerializer::getModelTransform(const GLTFNode& node) {
|
|
glm::mat4 tmat = glm::mat4(1.0);
|
|
|
|
if (node.defined["matrix"] && node.matrix.size() == 16) {
|
|
tmat = glm::mat4(node.matrix[0], node.matrix[1], node.matrix[2], node.matrix[3],
|
|
node.matrix[4], node.matrix[5], node.matrix[6], node.matrix[7],
|
|
node.matrix[8], node.matrix[9], node.matrix[10], node.matrix[11],
|
|
node.matrix[12], node.matrix[13], node.matrix[14], node.matrix[15]);
|
|
} else {
|
|
|
|
if (node.defined["scale"] && node.scale.size() == 3) {
|
|
glm::vec3 scale = glm::vec3(node.scale[0], node.scale[1], node.scale[2]);
|
|
glm::mat4 s = glm::mat4(1.0);
|
|
s = glm::scale(s, scale);
|
|
tmat = s * tmat;
|
|
}
|
|
|
|
if (node.defined["rotation"] && node.rotation.size() == 4) {
|
|
//quat(x,y,z,w) to quat(w,x,y,z)
|
|
glm::quat rotquat = glm::quat(node.rotation[3], node.rotation[0], node.rotation[1], node.rotation[2]);
|
|
tmat = glm::mat4_cast(rotquat) * tmat;
|
|
}
|
|
|
|
if (node.defined["translation"] && node.translation.size() == 3) {
|
|
glm::vec3 trans = glm::vec3(node.translation[0], node.translation[1], node.translation[2]);
|
|
glm::mat4 t = glm::mat4(1.0);
|
|
t = glm::translate(t, trans);
|
|
tmat = t * tmat;
|
|
}
|
|
}
|
|
return tmat;
|
|
}
|
|
|
|
void GLTFSerializer::getSkinInverseBindMatrices(std::vector<std::vector<float>>& inverseBindMatrixValues) {
|
|
for (auto &skin : _file.skins) {
|
|
GLTFAccessor& indicesAccessor = _file.accessors[skin.inverseBindMatrices];
|
|
QVector<float> matrices;
|
|
addArrayFromAccessor(indicesAccessor, matrices);
|
|
inverseBindMatrixValues.push_back(std::vector<float>(matrices.begin(), matrices.end()));
|
|
}
|
|
}
|
|
|
|
void GLTFSerializer::generateTargetData(int index, float weight, QVector<glm::vec3>& returnVector) {
|
|
GLTFAccessor& accessor = _file.accessors[index];
|
|
QVector<float> storedValues;
|
|
addArrayFromAccessor(accessor, storedValues);
|
|
for (int n = 0; n + 2 < storedValues.size(); n = n + 3) {
|
|
returnVector.push_back(glm::vec3(weight * storedValues[n], weight * storedValues[n + 1], weight * storedValues[n + 2]));
|
|
}
|
|
}
|
|
|
|
bool GLTFSerializer::buildGeometry(HFMModel& hfmModel, const hifi::VariantHash& mapping, const hifi::URL& url) {
|
|
hfmModel.originalURL = url.toString();
|
|
|
|
int numNodes = _file.nodes.size();
|
|
|
|
//Build dependencies
|
|
QVector<int> parents;
|
|
QVector<int> sortedNodes;
|
|
parents.fill(-1, numNodes);
|
|
sortedNodes.reserve(numNodes);
|
|
int nodecount = 0;
|
|
foreach(auto &node, _file.nodes) {
|
|
foreach(int child, node.children) {
|
|
parents[child] = nodecount;
|
|
}
|
|
sortedNodes.push_back(nodecount);
|
|
++nodecount;
|
|
}
|
|
|
|
|
|
// Build transforms
|
|
nodecount = 0;
|
|
foreach(auto &node, _file.nodes) {
|
|
// collect node transform
|
|
_file.nodes[nodecount].transforms.push_back(getModelTransform(node));
|
|
int parentIndex = parents[nodecount];
|
|
while (parentIndex != -1) {
|
|
const auto& parentNode = _file.nodes[parentIndex];
|
|
// collect transforms for a node's parents, grandparents, etc.
|
|
_file.nodes[nodecount].transforms.push_back(getModelTransform(parentNode));
|
|
parentIndex = parents[parentIndex];
|
|
}
|
|
++nodecount;
|
|
}
|
|
|
|
|
|
// since parent indices must exist in the sorted list before any of their children, sortedNodes might not be initialized in the correct order
|
|
// therefore we need to re-initialize the order in which nodes will be parsed
|
|
QVector<bool> hasBeenSorted;
|
|
hasBeenSorted.fill(false, numNodes);
|
|
int i = 0; // initial index
|
|
while (i < numNodes) {
|
|
int currentNode = sortedNodes[i];
|
|
int parentIndex = parents[currentNode];
|
|
if (parentIndex == -1 || hasBeenSorted[parentIndex]) {
|
|
hasBeenSorted[currentNode] = true;
|
|
++i;
|
|
} else {
|
|
int j = i + 1; // index of node to be sorted
|
|
while (j < numNodes) {
|
|
int nextNode = sortedNodes[j];
|
|
parentIndex = parents[nextNode];
|
|
if (parentIndex == -1 || hasBeenSorted[parentIndex]) {
|
|
// swap with currentNode
|
|
hasBeenSorted[nextNode] = true;
|
|
sortedNodes[i] = nextNode;
|
|
sortedNodes[j] = currentNode;
|
|
++i;
|
|
currentNode = sortedNodes[i];
|
|
}
|
|
++j;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
// Build map from original to new indices
|
|
QVector<int> originalToNewNodeIndexMap;
|
|
originalToNewNodeIndexMap.fill(-1, numNodes);
|
|
for (int i = 0; i < numNodes; ++i) {
|
|
originalToNewNodeIndexMap[sortedNodes[i]] = i;
|
|
}
|
|
|
|
|
|
// Build joints
|
|
HFMJoint joint;
|
|
joint.distanceToParent = 0;
|
|
hfmModel.jointIndices["x"] = numNodes;
|
|
QVector<glm::mat4> globalTransforms;
|
|
globalTransforms.resize(numNodes);
|
|
|
|
for (int nodeIndex : sortedNodes) {
|
|
auto& node = _file.nodes[nodeIndex];
|
|
|
|
joint.parentIndex = parents[nodeIndex];
|
|
if (joint.parentIndex != -1) {
|
|
joint.parentIndex = originalToNewNodeIndexMap[joint.parentIndex];
|
|
}
|
|
joint.transform = node.transforms.first();
|
|
joint.translation = extractTranslation(joint.transform);
|
|
joint.rotation = glmExtractRotation(joint.transform);
|
|
glm::vec3 scale = extractScale(joint.transform);
|
|
joint.postTransform = glm::scale(glm::mat4(), scale);
|
|
|
|
joint.parentIndex = parents[nodeIndex];
|
|
globalTransforms[nodeIndex] = joint.transform;
|
|
if (joint.parentIndex != -1) {
|
|
globalTransforms[nodeIndex] = globalTransforms[joint.parentIndex] * globalTransforms[nodeIndex];
|
|
joint.parentIndex = originalToNewNodeIndexMap[joint.parentIndex];
|
|
}
|
|
|
|
joint.name = node.name;
|
|
joint.isSkeletonJoint = false;
|
|
hfmModel.joints.push_back(joint);
|
|
}
|
|
hfmModel.shapeVertices.resize(hfmModel.joints.size());
|
|
|
|
|
|
// get offset transform from mapping
|
|
float unitScaleFactor = 1.0f;
|
|
float offsetScale = mapping.value("scale", 1.0f).toFloat() * unitScaleFactor;
|
|
glm::quat offsetRotation = glm::quat(glm::radians(glm::vec3(mapping.value("rx").toFloat(), mapping.value("ry").toFloat(), mapping.value("rz").toFloat())));
|
|
hfmModel.offset = glm::translate(glm::mat4(), glm::vec3(mapping.value("tx").toFloat(), mapping.value("ty").toFloat(), mapping.value("tz").toFloat())) *
|
|
glm::mat4_cast(offsetRotation) * glm::scale(glm::mat4(), glm::vec3(offsetScale, offsetScale, offsetScale));
|
|
|
|
|
|
// Build skeleton
|
|
std::vector<glm::mat4> jointInverseBindTransforms;
|
|
std::vector<glm::mat4> globalBindTransforms;
|
|
jointInverseBindTransforms.resize(numNodes);
|
|
globalBindTransforms.resize(numNodes);
|
|
|
|
hfmModel.hasSkeletonJoints = !_file.skins.isEmpty();
|
|
if (hfmModel.hasSkeletonJoints) {
|
|
std::vector<std::vector<float>> inverseBindValues;
|
|
getSkinInverseBindMatrices(inverseBindValues);
|
|
|
|
for (int jointIndex = 0; jointIndex < numNodes; ++jointIndex) {
|
|
int nodeIndex = sortedNodes[jointIndex];
|
|
auto joint = hfmModel.joints[jointIndex];
|
|
|
|
for (int s = 0; s < _file.skins.size(); ++s) {
|
|
const auto& skin = _file.skins[s];
|
|
int matrixIndex = skin.joints.indexOf(nodeIndex);
|
|
joint.isSkeletonJoint = skin.joints.contains(nodeIndex);
|
|
|
|
// build inverse bind matrices
|
|
if (joint.isSkeletonJoint) {
|
|
std::vector<float>& value = inverseBindValues[s];
|
|
int matrixCount = 16 * matrixIndex;
|
|
jointInverseBindTransforms[jointIndex] =
|
|
glm::mat4(value[matrixCount], value[matrixCount + 1], value[matrixCount + 2], value[matrixCount + 3],
|
|
value[matrixCount + 4], value[matrixCount + 5], value[matrixCount + 6], value[matrixCount + 7],
|
|
value[matrixCount + 8], value[matrixCount + 9], value[matrixCount + 10], value[matrixCount + 11],
|
|
value[matrixCount + 12], value[matrixCount + 13], value[matrixCount + 14], value[matrixCount + 15]);
|
|
} else {
|
|
jointInverseBindTransforms[jointIndex] = glm::mat4();
|
|
}
|
|
globalBindTransforms[jointIndex] = jointInverseBindTransforms[jointIndex];
|
|
if (joint.parentIndex != -1) {
|
|
globalBindTransforms[jointIndex] = globalBindTransforms[joint.parentIndex] * globalBindTransforms[jointIndex];
|
|
}
|
|
glm::vec3 bindTranslation = extractTranslation(hfmModel.offset * glm::inverse(jointInverseBindTransforms[jointIndex]));
|
|
hfmModel.bindExtents.addPoint(bindTranslation);
|
|
}
|
|
hfmModel.joints[jointIndex] = joint;
|
|
}
|
|
}
|
|
|
|
|
|
// Build materials
|
|
QVector<QString> materialIDs;
|
|
QString unknown = "Default";
|
|
int ukcount = 0;
|
|
foreach(auto material, _file.materials) {
|
|
if (!material.defined["name"]) {
|
|
QString name = unknown + QString::number(++ukcount);
|
|
material.name = name;
|
|
material.defined.insert("name", true);
|
|
}
|
|
|
|
QString mid = material.name;
|
|
materialIDs.push_back(mid);
|
|
}
|
|
|
|
for (int i = 0; i < materialIDs.size(); ++i) {
|
|
QString& matid = materialIDs[i];
|
|
hfmModel.materials[matid] = HFMMaterial();
|
|
HFMMaterial& hfmMaterial = hfmModel.materials[matid];
|
|
hfmMaterial._material = std::make_shared<graphics::Material>();
|
|
hfmMaterial.name = hfmMaterial.materialID = matid;
|
|
setHFMMaterial(hfmMaterial, _file.materials[i]);
|
|
}
|
|
|
|
|
|
// Build meshes
|
|
nodecount = 0;
|
|
hfmModel.meshExtents.reset();
|
|
for (int nodeIndex : sortedNodes) {
|
|
auto& node = _file.nodes[nodeIndex];
|
|
|
|
if (node.defined["mesh"]) {
|
|
|
|
hfmModel.meshes.append(HFMMesh());
|
|
HFMMesh& mesh = hfmModel.meshes[hfmModel.meshes.size() - 1];
|
|
mesh.modelTransform = globalTransforms[nodeIndex];
|
|
|
|
if (!hfmModel.hasSkeletonJoints) {
|
|
HFMCluster cluster;
|
|
cluster.jointIndex = nodecount;
|
|
cluster.inverseBindMatrix = glm::mat4();
|
|
cluster.inverseBindTransform = Transform(cluster.inverseBindMatrix);
|
|
mesh.clusters.append(cluster);
|
|
} else { // skinned model
|
|
for (int j = 0; j < numNodes; ++j) {
|
|
HFMCluster cluster;
|
|
cluster.jointIndex = j;
|
|
cluster.inverseBindMatrix = jointInverseBindTransforms[j];
|
|
cluster.inverseBindTransform = Transform(cluster.inverseBindMatrix);
|
|
mesh.clusters.append(cluster);
|
|
}
|
|
}
|
|
HFMCluster root;
|
|
root.jointIndex = 0;
|
|
root.inverseBindMatrix = jointInverseBindTransforms[root.jointIndex];
|
|
root.inverseBindTransform = Transform(root.inverseBindMatrix);
|
|
mesh.clusters.append(root);
|
|
|
|
QList<QString> meshAttributes;
|
|
foreach(auto &primitive, _file.meshes[node.mesh].primitives) {
|
|
QList<QString> keys = primitive.attributes.values.keys();
|
|
foreach (auto &key, keys) {
|
|
if (!meshAttributes.contains(key)) {
|
|
meshAttributes.push_back(key);
|
|
}
|
|
}
|
|
}
|
|
|
|
foreach(auto &primitive, _file.meshes[node.mesh].primitives) {
|
|
HFMMeshPart part = HFMMeshPart();
|
|
|
|
int indicesAccessorIdx = primitive.indices;
|
|
|
|
if (indicesAccessorIdx > _file.accessors.size()) {
|
|
qWarning(modelformat) << "Indices accessor index is out of bounds for model " << _url;
|
|
hfmModel.loadErrorCount++;
|
|
continue;
|
|
}
|
|
|
|
GLTFAccessor& indicesAccessor = _file.accessors[indicesAccessorIdx];
|
|
|
|
// Buffers
|
|
QVector<int> indices;
|
|
QVector<float> vertices;
|
|
int verticesStride = 3;
|
|
QVector<float> normals;
|
|
int normalStride = 3;
|
|
QVector<float> tangents;
|
|
int tangentStride = 4;
|
|
QVector<float> texcoords;
|
|
int texCoordStride = 2;
|
|
QVector<float> texcoords2;
|
|
int texCoord2Stride = 2;
|
|
QVector<float> colors;
|
|
int colorStride = 3;
|
|
QVector<uint16_t> joints;
|
|
int jointStride = 4;
|
|
QVector<float> weights;
|
|
int weightStride = 4;
|
|
|
|
bool success = addArrayFromAccessor(indicesAccessor, indices);
|
|
|
|
if (!success) {
|
|
qWarning(modelformat) << "There was a problem reading glTF INDICES data for model " << _url;
|
|
hfmModel.loadErrorCount++;
|
|
continue;
|
|
}
|
|
|
|
// Increment the triangle indices by the current mesh vertex count so each mesh part can all reference the same buffers within the mesh
|
|
int prevMeshVerticesCount = mesh.vertices.count();
|
|
|
|
QList<QString> keys = primitive.attributes.values.keys();
|
|
QVector<uint16_t> clusterJoints;
|
|
QVector<float> clusterWeights;
|
|
|
|
foreach(auto &key, keys) {
|
|
int accessorIdx = primitive.attributes.values[key];
|
|
|
|
if (accessorIdx > _file.accessors.size()) {
|
|
qWarning(modelformat) << "Accessor index is out of bounds for model " << _url;
|
|
hfmModel.loadErrorCount++;
|
|
continue;
|
|
}
|
|
|
|
GLTFAccessor& accessor = _file.accessors[accessorIdx];
|
|
|
|
if (key == "POSITION") {
|
|
if (accessor.type != GLTFAccessorType::VEC3) {
|
|
qWarning(modelformat) << "Invalid accessor type on glTF POSITION data for model " << _url;
|
|
hfmModel.loadErrorCount++;
|
|
continue;
|
|
}
|
|
|
|
success = addArrayFromAccessor(accessor, vertices);
|
|
if (!success) {
|
|
qWarning(modelformat) << "There was a problem reading glTF POSITION data for model " << _url;
|
|
hfmModel.loadErrorCount++;
|
|
continue;
|
|
}
|
|
} else if (key == "NORMAL") {
|
|
if (accessor.type != GLTFAccessorType::VEC3) {
|
|
qWarning(modelformat) << "Invalid accessor type on glTF NORMAL data for model " << _url;
|
|
hfmModel.loadErrorCount++;
|
|
continue;
|
|
}
|
|
|
|
success = addArrayFromAccessor(accessor, normals);
|
|
if (!success) {
|
|
qWarning(modelformat) << "There was a problem reading glTF NORMAL data for model " << _url;
|
|
hfmModel.loadErrorCount++;
|
|
continue;
|
|
}
|
|
} else if (key == "TANGENT") {
|
|
if (accessor.type == GLTFAccessorType::VEC4) {
|
|
tangentStride = 4;
|
|
} else if (accessor.type == GLTFAccessorType::VEC3) {
|
|
tangentStride = 3;
|
|
} else {
|
|
qWarning(modelformat) << "Invalid accessor type on glTF TANGENT data for model " << _url;
|
|
hfmModel.loadErrorCount++;
|
|
continue;
|
|
}
|
|
|
|
success = addArrayFromAccessor(accessor, tangents);
|
|
if (!success) {
|
|
qWarning(modelformat) << "There was a problem reading glTF TANGENT data for model " << _url;
|
|
hfmModel.loadErrorCount++;
|
|
tangentStride = 0;
|
|
continue;
|
|
}
|
|
} else if (key == "TEXCOORD_0") {
|
|
success = addArrayFromAccessor(accessor, texcoords);
|
|
if (!success) {
|
|
qWarning(modelformat) << "There was a problem reading glTF TEXCOORD_0 data for model " << _url;
|
|
hfmModel.loadErrorCount++;
|
|
continue;
|
|
}
|
|
|
|
if (accessor.type != GLTFAccessorType::VEC2) {
|
|
qWarning(modelformat) << "Invalid accessor type on glTF TEXCOORD_0 data for model " << _url;
|
|
hfmModel.loadErrorCount++;
|
|
continue;
|
|
}
|
|
} else if (key == "TEXCOORD_1") {
|
|
success = addArrayFromAccessor(accessor, texcoords2);
|
|
if (!success) {
|
|
qWarning(modelformat) << "There was a problem reading glTF TEXCOORD_1 data for model " << _url;
|
|
hfmModel.loadErrorCount++;
|
|
continue;
|
|
}
|
|
|
|
if (accessor.type != GLTFAccessorType::VEC2) {
|
|
qWarning(modelformat) << "Invalid accessor type on glTF TEXCOORD_1 data for model " << _url;
|
|
hfmModel.loadErrorCount++;
|
|
continue;
|
|
}
|
|
} else if (key == "COLOR_0") {
|
|
if (accessor.type == GLTFAccessorType::VEC4) {
|
|
colorStride = 4;
|
|
} else if (accessor.type == GLTFAccessorType::VEC3) {
|
|
colorStride = 3;
|
|
} else {
|
|
qWarning(modelformat) << "Invalid accessor type on glTF COLOR_0 data for model " << _url;
|
|
hfmModel.loadErrorCount++;
|
|
continue;
|
|
}
|
|
|
|
success = addArrayFromAccessor(accessor, colors);
|
|
if (!success) {
|
|
qWarning(modelformat) << "There was a problem reading glTF COLOR_0 data for model " << _url;
|
|
hfmModel.loadErrorCount++;
|
|
continue;
|
|
}
|
|
} else if (key == "JOINTS_0") {
|
|
if (accessor.type == GLTFAccessorType::VEC4) {
|
|
jointStride = 4;
|
|
} else if (accessor.type == GLTFAccessorType::VEC3) {
|
|
jointStride = 3;
|
|
} else if (accessor.type == GLTFAccessorType::VEC2) {
|
|
jointStride = 2;
|
|
} else if (accessor.type == GLTFAccessorType::SCALAR) {
|
|
jointStride = 1;
|
|
} else {
|
|
qWarning(modelformat) << "Invalid accessor type on glTF JOINTS_0 data for model " << _url;
|
|
hfmModel.loadErrorCount++;
|
|
continue;
|
|
}
|
|
|
|
success = addArrayFromAccessor(accessor, joints);
|
|
if (!success) {
|
|
qWarning(modelformat) << "There was a problem reading glTF JOINTS_0 data for model " << _url;
|
|
hfmModel.loadErrorCount++;
|
|
continue;
|
|
}
|
|
} else if (key == "WEIGHTS_0") {
|
|
if (accessor.type == GLTFAccessorType::VEC4) {
|
|
weightStride = 4;
|
|
} else if (accessor.type == GLTFAccessorType::VEC3) {
|
|
weightStride = 3;
|
|
} else if (accessor.type == GLTFAccessorType::VEC2) {
|
|
weightStride = 2;
|
|
} else if (accessor.type == GLTFAccessorType::SCALAR) {
|
|
weightStride = 1;
|
|
} else {
|
|
qWarning(modelformat) << "Invalid accessor type on glTF WEIGHTS_0 data for model " << _url;
|
|
hfmModel.loadErrorCount++;
|
|
continue;
|
|
}
|
|
|
|
success = addArrayFromAccessor(accessor, weights);
|
|
if (!success) {
|
|
qWarning(modelformat) << "There was a problem reading glTF WEIGHTS_0 data for model " << _url;
|
|
hfmModel.loadErrorCount++;
|
|
continue;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Validation stage
|
|
if (indices.count() == 0) {
|
|
qWarning(modelformat) << "Missing indices for model " << _url;
|
|
hfmModel.loadErrorCount++;
|
|
continue;
|
|
}
|
|
if (vertices.count() == 0) {
|
|
qWarning(modelformat) << "Missing vertices for model " << _url;
|
|
hfmModel.loadErrorCount++;
|
|
continue;
|
|
}
|
|
|
|
int partVerticesCount = vertices.size() / 3;
|
|
|
|
// generate the normals if they don't exist
|
|
if (normals.size() == 0) {
|
|
QVector<int> newIndices;
|
|
QVector<float> newVertices;
|
|
QVector<float> newNormals;
|
|
QVector<float> newTexcoords;
|
|
QVector<float> newTexcoords2;
|
|
QVector<float> newColors;
|
|
QVector<uint16_t> newJoints;
|
|
QVector<float> newWeights;
|
|
|
|
for (int n = 0; n + 2 < indices.size(); n = n + 3) {
|
|
int v1_index = (indices[n + 0] * 3);
|
|
int v2_index = (indices[n + 1] * 3);
|
|
int v3_index = (indices[n + 2] * 3);
|
|
|
|
if (v1_index + 2 >= vertices.size() || v2_index + 2 >= vertices.size() || v3_index + 2 >= vertices.size()) {
|
|
qWarning(modelformat) << "Indices out of range for model " << _url;
|
|
hfmModel.loadErrorCount++;
|
|
break;
|
|
}
|
|
|
|
glm::vec3 v1 = glm::vec3(vertices[v1_index], vertices[v1_index + 1], vertices[v1_index + 2]);
|
|
glm::vec3 v2 = glm::vec3(vertices[v2_index], vertices[v2_index + 1], vertices[v2_index + 2]);
|
|
glm::vec3 v3 = glm::vec3(vertices[v3_index], vertices[v3_index + 1], vertices[v3_index + 2]);
|
|
|
|
newVertices.append(v1.x);
|
|
newVertices.append(v1.y);
|
|
newVertices.append(v1.z);
|
|
newVertices.append(v2.x);
|
|
newVertices.append(v2.y);
|
|
newVertices.append(v2.z);
|
|
newVertices.append(v3.x);
|
|
newVertices.append(v3.y);
|
|
newVertices.append(v3.z);
|
|
|
|
glm::vec3 norm = glm::normalize(glm::cross(v2 - v1, v3 - v1));
|
|
|
|
newNormals.append(norm.x);
|
|
newNormals.append(norm.y);
|
|
newNormals.append(norm.z);
|
|
newNormals.append(norm.x);
|
|
newNormals.append(norm.y);
|
|
newNormals.append(norm.z);
|
|
newNormals.append(norm.x);
|
|
newNormals.append(norm.y);
|
|
newNormals.append(norm.z);
|
|
|
|
if (texcoords.size() == partVerticesCount * texCoordStride) {
|
|
GLTF_APPEND_ARRAY_2(newTexcoords, texcoords)
|
|
}
|
|
|
|
if (texcoords2.size() == partVerticesCount * texCoord2Stride) {
|
|
GLTF_APPEND_ARRAY_2(newTexcoords2, texcoords2)
|
|
}
|
|
|
|
if (colors.size() == partVerticesCount * colorStride) {
|
|
if (colorStride == 4) {
|
|
GLTF_APPEND_ARRAY_4(newColors, colors)
|
|
} else {
|
|
GLTF_APPEND_ARRAY_3(newColors, colors)
|
|
}
|
|
}
|
|
|
|
if (joints.size() == partVerticesCount * jointStride) {
|
|
if (jointStride == 4) {
|
|
GLTF_APPEND_ARRAY_4(newJoints, joints)
|
|
} else if (jointStride == 3) {
|
|
GLTF_APPEND_ARRAY_3(newJoints, joints)
|
|
} else if (jointStride == 2) {
|
|
GLTF_APPEND_ARRAY_2(newJoints, joints)
|
|
} else {
|
|
GLTF_APPEND_ARRAY_1(newJoints, joints)
|
|
}
|
|
}
|
|
|
|
if (weights.size() == partVerticesCount * weightStride) {
|
|
if (weightStride == 4) {
|
|
GLTF_APPEND_ARRAY_4(newWeights, weights)
|
|
} else if (weightStride == 3) {
|
|
GLTF_APPEND_ARRAY_3(newWeights, weights)
|
|
} else if (weightStride == 2) {
|
|
GLTF_APPEND_ARRAY_2(newWeights, weights)
|
|
} else {
|
|
GLTF_APPEND_ARRAY_1(newWeights, weights)
|
|
}
|
|
}
|
|
newIndices.append(n);
|
|
newIndices.append(n + 1);
|
|
newIndices.append(n + 2);
|
|
}
|
|
|
|
vertices = newVertices;
|
|
normals = newNormals;
|
|
tangents = QVector<float>();
|
|
texcoords = newTexcoords;
|
|
texcoords2 = newTexcoords2;
|
|
colors = newColors;
|
|
joints = newJoints;
|
|
weights = newWeights;
|
|
indices = newIndices;
|
|
|
|
partVerticesCount = vertices.size() / 3;
|
|
}
|
|
|
|
QVector<int> validatedIndices;
|
|
for (int n = 0; n < indices.count(); ++n) {
|
|
if (indices[n] < partVerticesCount) {
|
|
validatedIndices.push_back(indices[n] + prevMeshVerticesCount);
|
|
} else {
|
|
validatedIndices = QVector<int>();
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (validatedIndices.size() == 0) {
|
|
qWarning(modelformat) << "No valid indices for model " << _url;
|
|
hfmModel.loadErrorCount++;
|
|
continue;
|
|
}
|
|
|
|
part.triangleIndices.append(validatedIndices);
|
|
|
|
for (int n = 0; n + verticesStride - 1 < vertices.size(); n = n + verticesStride) {
|
|
mesh.vertices.push_back(glm::vec3(vertices[n], vertices[n + 1], vertices[n + 2]));
|
|
}
|
|
|
|
for (int n = 0; n + normalStride - 1 < normals.size(); n = n + normalStride) {
|
|
mesh.normals.push_back(glm::vec3(normals[n], normals[n + 1], normals[n + 2]));
|
|
}
|
|
|
|
// TODO: add correct tangent generation
|
|
if (tangents.size() == partVerticesCount * tangentStride) {
|
|
for (int n = 0; n + tangentStride - 1 < tangents.size(); n += tangentStride) {
|
|
float tanW = tangentStride == 4 ? tangents[n + 3] : 1;
|
|
mesh.tangents.push_back(glm::vec3(tanW * tangents[n], tangents[n + 1], tanW * tangents[n + 2]));
|
|
}
|
|
} else {
|
|
if (meshAttributes.contains("TANGENT")) {
|
|
for (int i = 0; i < partVerticesCount; ++i) {
|
|
mesh.tangents.push_back(glm::vec3(0.0f, 0.0f, 0.0f));
|
|
}
|
|
}
|
|
}
|
|
|
|
if (texcoords.size() == partVerticesCount * texCoordStride) {
|
|
for (int n = 0; n + 1 < texcoords.size(); n = n + 2) {
|
|
mesh.texCoords.push_back(glm::vec2(texcoords[n], texcoords[n + 1]));
|
|
}
|
|
} else {
|
|
if (meshAttributes.contains("TEXCOORD_0")) {
|
|
for (int i = 0; i < partVerticesCount; ++i) {
|
|
mesh.texCoords.push_back(glm::vec2(0.0f, 0.0f));
|
|
}
|
|
}
|
|
}
|
|
|
|
if (texcoords2.size() == partVerticesCount * texCoord2Stride) {
|
|
for (int n = 0; n + 1 < texcoords2.size(); n = n + 2) {
|
|
mesh.texCoords1.push_back(glm::vec2(texcoords2[n], texcoords2[n + 1]));
|
|
}
|
|
} else {
|
|
if (meshAttributes.contains("TEXCOORD_1")) {
|
|
for (int i = 0; i < partVerticesCount; ++i) {
|
|
mesh.texCoords1.push_back(glm::vec2(0.0f, 0.0f));
|
|
}
|
|
}
|
|
}
|
|
|
|
if (colors.size() == partVerticesCount * colorStride) {
|
|
for (int n = 0; n + 2 < colors.size(); n += colorStride) {
|
|
mesh.colors.push_back(ColorUtils::tosRGBVec3(glm::vec3(colors[n], colors[n + 1], colors[n + 2])));
|
|
}
|
|
} else {
|
|
if (meshAttributes.contains("COLOR_0")) {
|
|
for (int i = 0; i < partVerticesCount; ++i) {
|
|
mesh.colors.push_back(glm::vec3(1.0f, 1.0f, 1.0f));
|
|
}
|
|
}
|
|
}
|
|
|
|
if (joints.size() == partVerticesCount * jointStride) {
|
|
for (int n = 0; n < joints.size(); n += jointStride) {
|
|
clusterJoints.push_back(joints[n]);
|
|
if (jointStride > 1) {
|
|
clusterJoints.push_back(joints[n + 1]);
|
|
if (jointStride > 2) {
|
|
clusterJoints.push_back(joints[n + 2]);
|
|
if (jointStride > 3) {
|
|
clusterJoints.push_back(joints[n + 3]);
|
|
} else {
|
|
clusterJoints.push_back(0);
|
|
}
|
|
} else {
|
|
clusterJoints.push_back(0);
|
|
clusterJoints.push_back(0);
|
|
}
|
|
} else {
|
|
clusterJoints.push_back(0);
|
|
clusterJoints.push_back(0);
|
|
clusterJoints.push_back(0);
|
|
}
|
|
}
|
|
} else {
|
|
if (meshAttributes.contains("JOINTS_0")) {
|
|
for (int i = 0; i < partVerticesCount; ++i) {
|
|
for (int j = 0; j < 4; ++j) {
|
|
clusterJoints.push_back(0);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (weights.size() == partVerticesCount * weightStride) {
|
|
for (int n = 0; n + weightStride - 1 < weights.size(); n += weightStride) {
|
|
clusterWeights.push_back(weights[n]);
|
|
if (weightStride > 1) {
|
|
clusterWeights.push_back(weights[n + 1]);
|
|
if (weightStride > 2) {
|
|
clusterWeights.push_back(weights[n + 2]);
|
|
if (weightStride > 3) {
|
|
clusterWeights.push_back(weights[n + 3]);
|
|
} else {
|
|
clusterWeights.push_back(0.0f);
|
|
}
|
|
} else {
|
|
clusterWeights.push_back(0.0f);
|
|
clusterWeights.push_back(0.0f);
|
|
}
|
|
} else {
|
|
clusterWeights.push_back(0.0f);
|
|
clusterWeights.push_back(0.0f);
|
|
clusterWeights.push_back(0.0f);
|
|
}
|
|
}
|
|
} else {
|
|
if (meshAttributes.contains("WEIGHTS_0")) {
|
|
for (int i = 0; i < partVerticesCount; ++i) {
|
|
clusterWeights.push_back(1.0f);
|
|
for (int j = 1; j < 4; ++j) {
|
|
clusterWeights.push_back(0.0f);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// Build weights (adapted from FBXSerializer.cpp)
|
|
if (hfmModel.hasSkeletonJoints) {
|
|
int prevMeshClusterIndexCount = mesh.clusterIndices.count();
|
|
int prevMeshClusterWeightCount = mesh.clusterWeights.count();
|
|
const int WEIGHTS_PER_VERTEX = 4;
|
|
const float ALMOST_HALF = 0.499f;
|
|
int numVertices = mesh.vertices.size() - prevMeshVerticesCount;
|
|
|
|
// Append new cluster indices and weights for this mesh part
|
|
for (int i = 0; i < numVertices * WEIGHTS_PER_VERTEX; ++i) {
|
|
mesh.clusterIndices.push_back(mesh.clusters.size() - 1);
|
|
mesh.clusterWeights.push_back(0);
|
|
}
|
|
|
|
for (int c = 0; c < clusterJoints.size(); ++c) {
|
|
if (mesh.clusterIndices.length() <= prevMeshClusterIndexCount + c) {
|
|
qCWarning(modelformat) << "Trying to write past end of clusterIndices at" << prevMeshClusterIndexCount + c;
|
|
hfmModel.loadErrorCount++;
|
|
continue;
|
|
}
|
|
|
|
if ( clusterJoints.length() <= c) {
|
|
qCWarning(modelformat) << "Trying to read past end of clusterJoints at" << c;
|
|
hfmModel.loadErrorCount++;
|
|
continue;
|
|
}
|
|
|
|
if ( _file.skins.length() <= node.skin ) {
|
|
qCWarning(modelformat) << "Trying to read past end of _file.skins at" << node.skin;
|
|
hfmModel.loadErrorCount++;
|
|
continue;
|
|
}
|
|
|
|
if ( _file.skins[node.skin].joints.length() <= clusterJoints[c]) {
|
|
qCWarning(modelformat) << "Trying to read past end of _file.skins[node.skin].joints at" << clusterJoints[c]
|
|
<< "; there are only" << _file.skins[node.skin].joints.length() << "for skin" << node.skin;
|
|
hfmModel.loadErrorCount++;
|
|
continue;
|
|
}
|
|
|
|
|
|
mesh.clusterIndices[prevMeshClusterIndexCount + c] =
|
|
originalToNewNodeIndexMap[_file.skins[node.skin].joints[clusterJoints[c]]];
|
|
}
|
|
|
|
// normalize and compress to 16-bits
|
|
for (int i = 0; i < numVertices; ++i) {
|
|
int j = i * WEIGHTS_PER_VERTEX;
|
|
|
|
float totalWeight = 0.0f;
|
|
for (int k = j; k < j + WEIGHTS_PER_VERTEX; ++k) {
|
|
totalWeight += clusterWeights[k];
|
|
}
|
|
if (totalWeight > 0.0f) {
|
|
float weightScalingFactor = (float)(UINT16_MAX) / totalWeight;
|
|
for (int k = j; k < j + WEIGHTS_PER_VERTEX; ++k) {
|
|
mesh.clusterWeights[prevMeshClusterWeightCount + k] = (uint16_t)(weightScalingFactor * clusterWeights[k] + ALMOST_HALF);
|
|
}
|
|
} else {
|
|
mesh.clusterWeights[prevMeshClusterWeightCount + j] = (uint16_t)((float)(UINT16_MAX) + ALMOST_HALF);
|
|
}
|
|
for (int clusterIndex = 0; clusterIndex < mesh.clusters.size() - 1; ++clusterIndex) {
|
|
ShapeVertices& points = hfmModel.shapeVertices.at(clusterIndex);
|
|
glm::vec3 globalMeshScale = extractScale(globalTransforms[nodeIndex]);
|
|
const glm::mat4 meshToJoint = glm::scale(glm::mat4(), globalMeshScale) * jointInverseBindTransforms[clusterIndex];
|
|
|
|
// TODO: The entire clustering is probably broken and detailed collision shapes fail to generate due to it.
|
|
const uint16_t EXPANSION_WEIGHT_THRESHOLD = UINT16_MAX/4; // Equivalent of 0.25f?
|
|
if (mesh.clusterWeights[j] >= EXPANSION_WEIGHT_THRESHOLD) {
|
|
// TODO: fix transformed vertices being pushed back
|
|
auto& vertex = mesh.vertices[i];
|
|
const glm::mat4 vertexTransform = meshToJoint * (glm::translate(glm::mat4(), vertex));
|
|
glm::vec3 transformedVertex = hfmModel.joints[clusterIndex].translation * (extractTranslation(vertexTransform));
|
|
points.push_back(transformedVertex);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (primitive.defined["material"]) {
|
|
part.materialID = materialIDs[primitive.material];
|
|
}
|
|
mesh.parts.push_back(part);
|
|
|
|
// populate the texture coordinates if they don't exist
|
|
if (mesh.texCoords.size() == 0 && !hfmModel.hasSkeletonJoints) {
|
|
for (int i = 0; i < part.triangleIndices.size(); ++i) {
|
|
mesh.texCoords.push_back(glm::vec2(0.0, 1.0));
|
|
}
|
|
}
|
|
|
|
// Build morph targets (blend shapes)
|
|
if (!primitive.targets.isEmpty()) {
|
|
|
|
// Build list of blendshapes from FST and model.
|
|
typedef QPair<int, float> WeightedIndex;
|
|
hifi::VariantMultiHash blendshapeMappings = mapping.value("bs").toHash();
|
|
QMultiHash<QString, WeightedIndex> blendshapeIndices;
|
|
for (int i = 0;; ++i) {
|
|
auto blendshapeName = QString(BLENDSHAPE_NAMES[i]);
|
|
if (blendshapeName.isEmpty()) {
|
|
break;
|
|
}
|
|
auto mappings = blendshapeMappings.values(blendshapeName);
|
|
if (mappings.count() > 0) {
|
|
// Use blendshape from mapping.
|
|
foreach(const QVariant& mapping, mappings) {
|
|
auto blendshapeMapping = mapping.toList();
|
|
blendshapeIndices.insert(blendshapeMapping.at(0).toString(),
|
|
WeightedIndex(i, blendshapeMapping.at(1).toFloat()));
|
|
}
|
|
} else {
|
|
// Use blendshape from model.
|
|
if (_file.meshes[node.mesh].extras.targetNames.contains(blendshapeName)) {
|
|
blendshapeIndices.insert(blendshapeName, WeightedIndex(i, 1.0f));
|
|
}
|
|
}
|
|
}
|
|
|
|
// If an FST isn't being used and the model is likely from ReadyPlayerMe, add blendshape synonyms.
|
|
auto fileTargetNames = _file.meshes[node.mesh].extras.targetNames;
|
|
bool likelyReadyPlayerMeFile =
|
|
fileTargetNames.contains("browOuterUpLeft")
|
|
&& fileTargetNames.contains("browInnerUp")
|
|
&& fileTargetNames.contains("browDownLeft")
|
|
&& fileTargetNames.contains("eyeBlinkLeft")
|
|
&& fileTargetNames.contains("eyeWideLeft")
|
|
&& fileTargetNames.contains("mouthLeft")
|
|
&& fileTargetNames.contains("viseme_O")
|
|
&& fileTargetNames.contains("mouthShrugLower");
|
|
if (blendshapeMappings.count() == 0 && likelyReadyPlayerMeFile) {
|
|
QHash<QString, QPair<QString, float>>::const_iterator synonym
|
|
= READYPLAYERME_BLENDSHAPES_MAP.constBegin();
|
|
while (synonym != READYPLAYERME_BLENDSHAPES_MAP.constEnd()) {
|
|
if (fileTargetNames.contains(synonym.key())) {
|
|
auto blendshape = BLENDSHAPE_LOOKUP_MAP.find(synonym.value().first);
|
|
if (blendshape != BLENDSHAPE_LOOKUP_MAP.end()) {
|
|
blendshapeIndices.insert(synonym.key(),
|
|
WeightedIndex(blendshape.value(), synonym.value().second));
|
|
}
|
|
}
|
|
++synonym;
|
|
}
|
|
}
|
|
|
|
// Create blendshapes.
|
|
if (!blendshapeIndices.isEmpty()) {
|
|
mesh.blendshapes.resize((int)Blendshapes::BlendshapeCount);
|
|
}
|
|
auto keys = blendshapeIndices.keys();
|
|
auto values = blendshapeIndices.values();
|
|
auto names = _file.meshes[node.mesh].extras.targetNames;
|
|
|
|
for (int weightedIndex = 0; weightedIndex < keys.size(); ++weightedIndex) {
|
|
float weight = 1.0f;
|
|
int indexFromMapping = weightedIndex;
|
|
int targetIndex = weightedIndex;
|
|
hfmModel.blendshapeChannelNames.push_back("target_" + QString::number(weightedIndex));
|
|
|
|
if (!names.isEmpty()) {
|
|
targetIndex = names.indexOf(keys[weightedIndex]);
|
|
if (targetIndex == -1) {
|
|
continue; // Ignore blendshape targets not present in glTF file.
|
|
}
|
|
indexFromMapping = values[weightedIndex].first;
|
|
weight = values[weightedIndex].second;
|
|
hfmModel.blendshapeChannelNames[weightedIndex] = keys[weightedIndex];
|
|
}
|
|
|
|
HFMBlendshape& blendshape = mesh.blendshapes[indexFromMapping];
|
|
auto target = primitive.targets[targetIndex];
|
|
|
|
QVector<glm::vec3> normals;
|
|
QVector<glm::vec3> vertices;
|
|
|
|
if (target.values.contains((QString) "NORMAL")) {
|
|
generateTargetData(target.values.value((QString) "NORMAL"), weight, normals);
|
|
}
|
|
if (target.values.contains((QString) "POSITION")) {
|
|
generateTargetData(target.values.value((QString) "POSITION"), weight, vertices);
|
|
}
|
|
|
|
if (blendshape.indices.size() < prevMeshVerticesCount + vertices.size()) {
|
|
blendshape.indices.resize(prevMeshVerticesCount + vertices.size());
|
|
blendshape.vertices.resize(prevMeshVerticesCount + vertices.size());
|
|
blendshape.normals.resize(prevMeshVerticesCount + vertices.size());
|
|
}
|
|
for (int i = 0; i < vertices.size(); i++) {
|
|
blendshape.indices[prevMeshVerticesCount + i] = prevMeshVerticesCount + i;
|
|
blendshape.vertices[prevMeshVerticesCount + i] += vertices.value(i);
|
|
blendshape.normals[prevMeshVerticesCount + i] += normals.value(i);
|
|
}
|
|
|
|
}
|
|
}
|
|
|
|
foreach(const glm::vec3& vertex, mesh.vertices) {
|
|
glm::vec3 transformedVertex = glm::vec3(globalTransforms[nodeIndex] * glm::vec4(vertex, 1.0f));
|
|
mesh.meshExtents.addPoint(transformedVertex);
|
|
hfmModel.meshExtents.addPoint(transformedVertex);
|
|
}
|
|
}
|
|
|
|
// Mesh extents must be at least a minimum size, in particular for blendshapes to work on planar meshes.
|
|
const float MODEL_MIN_DIMENSION = 0.001f;
|
|
auto delta = glm::max(glm::vec3(MODEL_MIN_DIMENSION) - mesh.meshExtents.size(), glm::vec3(0.0f)) / 2.0f;
|
|
mesh.meshExtents.minimum -= delta;
|
|
mesh.meshExtents.maximum += delta;
|
|
hfmModel.meshExtents.minimum -= delta;
|
|
hfmModel.meshExtents.maximum += delta;
|
|
|
|
mesh.meshIndex = hfmModel.meshes.size();
|
|
}
|
|
++nodecount;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
MediaType GLTFSerializer::getMediaType() const {
|
|
MediaType mediaType("gltf");
|
|
mediaType.extensions.push_back("gltf");
|
|
mediaType.webMediaTypes.push_back("model/gltf+json");
|
|
|
|
mediaType.extensions.push_back("glb");
|
|
mediaType.webMediaTypes.push_back("model/gltf-binary");
|
|
|
|
return mediaType;
|
|
}
|
|
|
|
std::unique_ptr<hfm::Serializer::Factory> GLTFSerializer::getFactory() const {
|
|
return std::make_unique<hfm::Serializer::SimpleFactory<GLTFSerializer>>();
|
|
}
|
|
|
|
HFMModel::Pointer GLTFSerializer::read(const hifi::ByteArray& data, const hifi::VariantHash& mapping, const hifi::URL& url) {
|
|
|
|
_url = url;
|
|
|
|
// Normalize url for local files
|
|
hifi::URL normalizeUrl = DependencyManager::get<ResourceManager>()->normalizeURL(_url);
|
|
if (normalizeUrl.scheme().isEmpty() || (normalizeUrl.scheme() == "file")) {
|
|
QString localFileName = PathUtils::expandToLocalDataAbsolutePath(normalizeUrl).toLocalFile();
|
|
_url = hifi::URL(QFileInfo(localFileName).absoluteFilePath());
|
|
}
|
|
|
|
if (parseGLTF(data)) {
|
|
//_file.dump();
|
|
auto hfmModelPtr = std::make_shared<HFMModel>();
|
|
HFMModel& hfmModel = *hfmModelPtr;
|
|
buildGeometry(hfmModel, mapping, _url);
|
|
|
|
//hfmModel.debugDump();
|
|
//glTFDebugDump();
|
|
|
|
return hfmModelPtr;
|
|
} else {
|
|
qCDebug(modelformat) << "Error parsing GLTF file.";
|
|
}
|
|
|
|
return nullptr;
|
|
}
|
|
|
|
bool GLTFSerializer::readBinary(const QString& url, hifi::ByteArray& outdata) {
|
|
bool success;
|
|
|
|
if (url.contains("data:application/octet-stream;base64,")) {
|
|
outdata = requestEmbeddedData(url);
|
|
success = !outdata.isEmpty();
|
|
} else {
|
|
hifi::URL binaryUrl = _url.resolved(url);
|
|
std::tie<bool, hifi::ByteArray>(success, outdata) = requestData(binaryUrl);
|
|
}
|
|
|
|
return success;
|
|
}
|
|
|
|
bool GLTFSerializer::doesResourceExist(const QString& url) {
|
|
if (_url.isEmpty()) {
|
|
return false;
|
|
}
|
|
hifi::URL candidateUrl = _url.resolved(url);
|
|
return DependencyManager::get<ResourceManager>()->resourceExists(candidateUrl);
|
|
}
|
|
|
|
std::tuple<bool, hifi::ByteArray> GLTFSerializer::requestData(hifi::URL& url) {
|
|
auto request = DependencyManager::get<ResourceManager>()->createResourceRequest(
|
|
nullptr, url, true, -1, "GLTFSerializer::requestData");
|
|
|
|
if (!request) {
|
|
return std::make_tuple(false, hifi::ByteArray());
|
|
}
|
|
|
|
QEventLoop loop;
|
|
QObject::connect(request, &ResourceRequest::finished, &loop, &QEventLoop::quit);
|
|
request->send();
|
|
loop.exec();
|
|
|
|
if (request->getResult() == ResourceRequest::Success) {
|
|
return std::make_tuple(true, request->getData());
|
|
} else {
|
|
return std::make_tuple(false, hifi::ByteArray());
|
|
}
|
|
}
|
|
|
|
hifi::ByteArray GLTFSerializer::requestEmbeddedData(const QString& url) {
|
|
QString binaryUrl = url.split(",")[1];
|
|
return binaryUrl.isEmpty() ? hifi::ByteArray() : QByteArray::fromBase64(binaryUrl.toUtf8());
|
|
}
|
|
|
|
|
|
QNetworkReply* GLTFSerializer::request(hifi::URL& url, bool isTest) {
|
|
if (!qApp) {
|
|
return nullptr;
|
|
}
|
|
bool aboutToQuit{ false };
|
|
auto connection = QObject::connect(qApp, &QCoreApplication::aboutToQuit, [&] {
|
|
aboutToQuit = true;
|
|
});
|
|
QNetworkAccessManager& networkAccessManager = NetworkAccessManager::getInstance();
|
|
QNetworkRequest netRequest(url);
|
|
netRequest.setAttribute(QNetworkRequest::FollowRedirectsAttribute, true);
|
|
QNetworkReply* netReply = isTest ? networkAccessManager.head(netRequest) : networkAccessManager.get(netRequest);
|
|
if (!qApp || aboutToQuit) {
|
|
netReply->deleteLater();
|
|
return nullptr;
|
|
}
|
|
QEventLoop loop; // Create an event loop that will quit when we get the finished signal
|
|
QObject::connect(netReply, SIGNAL(finished()), &loop, SLOT(quit()));
|
|
loop.exec(); // Nothing is going to happen on this whole run thread until we get this
|
|
|
|
QObject::disconnect(connection);
|
|
return netReply; // trying to sync later on.
|
|
}
|
|
|
|
HFMTexture GLTFSerializer::getHFMTexture(const GLTFTexture& texture) {
|
|
HFMTexture fbxtex = HFMTexture();
|
|
fbxtex.texcoordSet = 0;
|
|
|
|
if (texture.defined["source"]) {
|
|
QString url = _file.images[texture.source].uri;
|
|
|
|
QString fname = hifi::URL(url).fileName();
|
|
hifi::URL textureUrl = _url.resolved(url);
|
|
fbxtex.name = fname;
|
|
fbxtex.filename = textureUrl.toEncoded();
|
|
|
|
if (_url.path().endsWith("glb") && !_glbBinary.isEmpty()) {
|
|
int bufferView = _file.images[texture.source].bufferView;
|
|
|
|
GLTFBufferView& imagesBufferview = _file.bufferviews[bufferView];
|
|
int offset = imagesBufferview.byteOffset;
|
|
int length = imagesBufferview.byteLength;
|
|
|
|
fbxtex.content = _glbBinary.mid(offset, length);
|
|
fbxtex.filename = textureUrl.toEncoded().append(texture.source);
|
|
}
|
|
|
|
if (url.contains("data:image/jpeg;base64,") || url.contains("data:image/png;base64,")) {
|
|
fbxtex.content = requestEmbeddedData(url);
|
|
}
|
|
}
|
|
return fbxtex;
|
|
}
|
|
|
|
void GLTFSerializer::setHFMMaterial(HFMMaterial& hfmMat, const GLTFMaterial& material) {
|
|
if (material.defined["alphaMode"]) {
|
|
hfmMat._material->setOpacityMapMode(material.alphaMode);
|
|
} else {
|
|
hfmMat._material->setOpacityMapMode(graphics::MaterialKey::OPACITY_MAP_OPAQUE); // GLTF defaults to opaque
|
|
}
|
|
|
|
if (material.defined["alphaCutoff"]) {
|
|
hfmMat._material->setOpacityCutoff(material.alphaCutoff);
|
|
}
|
|
|
|
if (material.defined["doubleSided"] && material.doubleSided) {
|
|
hfmMat._material->setCullFaceMode(graphics::MaterialKey::CullFaceMode::CULL_NONE);
|
|
}
|
|
|
|
if (material.defined["emissiveFactor"] && material.emissiveFactor.size() == 3) {
|
|
glm::vec3 emissiveLinear = glm::vec3(material.emissiveFactor[0], material.emissiveFactor[1], material.emissiveFactor[2]);
|
|
glm::vec3 emissive = ColorUtils::tosRGBVec3(emissiveLinear);
|
|
hfmMat._material->setEmissive(emissive);
|
|
}
|
|
|
|
if (material.defined["emissiveTexture"]) {
|
|
hfmMat.emissiveTexture = getHFMTexture(_file.textures[material.emissiveTexture]);
|
|
hfmMat.useEmissiveMap = true;
|
|
}
|
|
|
|
if (material.defined["normalTexture"]) {
|
|
hfmMat.normalTexture = getHFMTexture(_file.textures[material.normalTexture]);
|
|
hfmMat.useNormalMap = true;
|
|
}
|
|
|
|
if (material.defined["occlusionTexture"]) {
|
|
hfmMat.occlusionTexture = getHFMTexture(_file.textures[material.occlusionTexture]);
|
|
hfmMat.useOcclusionMap = true;
|
|
}
|
|
|
|
if (material.defined["pbrMetallicRoughness"]) {
|
|
hfmMat.isPBSMaterial = true;
|
|
|
|
if (material.pbrMetallicRoughness.defined["metallicFactor"]) {
|
|
hfmMat.metallic = material.pbrMetallicRoughness.metallicFactor;
|
|
hfmMat._material->setMetallic(hfmMat.metallic);
|
|
}
|
|
if (material.pbrMetallicRoughness.defined["baseColorTexture"]) {
|
|
hfmMat.opacityTexture = getHFMTexture(_file.textures[material.pbrMetallicRoughness.baseColorTexture]);
|
|
hfmMat.albedoTexture = getHFMTexture(_file.textures[material.pbrMetallicRoughness.baseColorTexture]);
|
|
hfmMat.useAlbedoMap = true;
|
|
}
|
|
if (material.pbrMetallicRoughness.defined["metallicRoughnessTexture"]) {
|
|
hfmMat.roughnessTexture = getHFMTexture(_file.textures[material.pbrMetallicRoughness.metallicRoughnessTexture]);
|
|
hfmMat.roughnessTexture.sourceChannel = image::ColorChannel::GREEN;
|
|
hfmMat.useRoughnessMap = true;
|
|
hfmMat.metallicTexture = getHFMTexture(_file.textures[material.pbrMetallicRoughness.metallicRoughnessTexture]);
|
|
hfmMat.metallicTexture.sourceChannel = image::ColorChannel::BLUE;
|
|
hfmMat.useMetallicMap = true;
|
|
}
|
|
if (material.pbrMetallicRoughness.defined["roughnessFactor"]) {
|
|
hfmMat._material->setRoughness(material.pbrMetallicRoughness.roughnessFactor);
|
|
}
|
|
if (material.pbrMetallicRoughness.defined["baseColorFactor"] &&
|
|
material.pbrMetallicRoughness.baseColorFactor.size() == 4) {
|
|
glm::vec3 lcolor = glm::vec3(material.pbrMetallicRoughness.baseColorFactor[0], material.pbrMetallicRoughness.baseColorFactor[1],
|
|
material.pbrMetallicRoughness.baseColorFactor[2]);
|
|
glm::vec3 dcolor = ColorUtils::tosRGBVec3(lcolor);
|
|
hfmMat.diffuseColor = dcolor;
|
|
hfmMat._material->setAlbedo(dcolor);
|
|
hfmMat._material->setOpacity(material.pbrMetallicRoughness.baseColorFactor[3]);
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
template<typename T, typename L>
|
|
bool GLTFSerializer::readArray(const hifi::ByteArray& bin, int byteOffset, int count,
|
|
QVector<L>& outarray, int accessorType, bool normalized) {
|
|
|
|
QDataStream blobstream(bin);
|
|
blobstream.setByteOrder(QDataStream::LittleEndian);
|
|
blobstream.setVersion(QDataStream::Qt_5_9);
|
|
blobstream.setFloatingPointPrecision(QDataStream::FloatingPointPrecision::SinglePrecision);
|
|
blobstream.skipRawData(byteOffset);
|
|
|
|
int bufferCount = 0;
|
|
switch (accessorType) {
|
|
case GLTFAccessorType::SCALAR:
|
|
bufferCount = 1;
|
|
break;
|
|
case GLTFAccessorType::VEC2:
|
|
bufferCount = 2;
|
|
break;
|
|
case GLTFAccessorType::VEC3:
|
|
bufferCount = 3;
|
|
break;
|
|
case GLTFAccessorType::VEC4:
|
|
bufferCount = 4;
|
|
break;
|
|
case GLTFAccessorType::MAT2:
|
|
bufferCount = 4;
|
|
break;
|
|
case GLTFAccessorType::MAT3:
|
|
bufferCount = 9;
|
|
break;
|
|
case GLTFAccessorType::MAT4:
|
|
bufferCount = 16;
|
|
break;
|
|
default:
|
|
qWarning(modelformat) << "Unknown accessorType: " << accessorType;
|
|
blobstream.setDevice(nullptr);
|
|
return false;
|
|
}
|
|
|
|
float scale = 1.0f; // Normalized output values should always be floats.
|
|
if (normalized) {
|
|
scale = (float)(std::numeric_limits<T>::max)();
|
|
}
|
|
|
|
for (int i = 0; i < count; ++i) {
|
|
for (int j = 0; j < bufferCount; ++j) {
|
|
if (!blobstream.atEnd()) {
|
|
T value;
|
|
blobstream >> value;
|
|
if (normalized) {
|
|
outarray.push_back(std::max((float)value / scale, -1.0f));
|
|
} else {
|
|
outarray.push_back(value);
|
|
}
|
|
} else {
|
|
blobstream.setDevice(nullptr);
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
|
|
blobstream.setDevice(nullptr);
|
|
return true;
|
|
}
|
|
template<typename T>
|
|
bool GLTFSerializer::addArrayOfType(const hifi::ByteArray& bin, int byteOffset, int count,
|
|
QVector<T>& outarray, int accessorType, int componentType, bool normalized) {
|
|
|
|
switch (componentType) {
|
|
case GLTFAccessorComponentType::BYTE: {}
|
|
case GLTFAccessorComponentType::UNSIGNED_BYTE: {
|
|
return readArray<uchar>(bin, byteOffset, count, outarray, accessorType, normalized);
|
|
}
|
|
case GLTFAccessorComponentType::SHORT: {
|
|
return readArray<short>(bin, byteOffset, count, outarray, accessorType, normalized);
|
|
}
|
|
case GLTFAccessorComponentType::UNSIGNED_INT: {
|
|
return readArray<uint>(bin, byteOffset, count, outarray, accessorType, normalized);
|
|
}
|
|
case GLTFAccessorComponentType::UNSIGNED_SHORT: {
|
|
return readArray<ushort>(bin, byteOffset, count, outarray, accessorType, normalized);
|
|
}
|
|
case GLTFAccessorComponentType::FLOAT: {
|
|
return readArray<float>(bin, byteOffset, count, outarray, accessorType, normalized);
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
template <typename T>
|
|
bool GLTFSerializer::addArrayFromAccessor(GLTFAccessor& accessor, QVector<T>& outarray) {
|
|
bool success = true;
|
|
|
|
if (accessor.defined["bufferView"]) {
|
|
GLTFBufferView& bufferview = _file.bufferviews[accessor.bufferView];
|
|
GLTFBuffer& buffer = _file.buffers[bufferview.buffer];
|
|
|
|
int accBoffset = accessor.defined["byteOffset"] ? accessor.byteOffset : 0;
|
|
|
|
success = addArrayOfType(buffer.blob, bufferview.byteOffset + accBoffset, accessor.count, outarray, accessor.type,
|
|
accessor.componentType, accessor.normalized);
|
|
} else {
|
|
for (int i = 0; i < accessor.count; ++i) {
|
|
T value;
|
|
memset(&value, 0, sizeof(T)); // Make sure the dummy array is initialized to zero.
|
|
outarray.push_back(value);
|
|
}
|
|
}
|
|
|
|
if (success) {
|
|
if (accessor.defined["sparse"]) {
|
|
QVector<int> out_sparse_indices_array;
|
|
|
|
GLTFBufferView& sparseIndicesBufferview = _file.bufferviews[accessor.sparse.indices.bufferView];
|
|
GLTFBuffer& sparseIndicesBuffer = _file.buffers[sparseIndicesBufferview.buffer];
|
|
|
|
int accSIBoffset = accessor.sparse.indices.defined["byteOffset"] ? accessor.sparse.indices.byteOffset : 0;
|
|
|
|
success = addArrayOfType(sparseIndicesBuffer.blob, sparseIndicesBufferview.byteOffset + accSIBoffset,
|
|
accessor.sparse.count, out_sparse_indices_array, GLTFAccessorType::SCALAR,
|
|
accessor.sparse.indices.componentType, false);
|
|
if (success) {
|
|
QVector<T> out_sparse_values_array;
|
|
|
|
GLTFBufferView& sparseValuesBufferview = _file.bufferviews[accessor.sparse.values.bufferView];
|
|
GLTFBuffer& sparseValuesBuffer = _file.buffers[sparseValuesBufferview.buffer];
|
|
|
|
int accSVBoffset = accessor.sparse.values.defined["byteOffset"] ? accessor.sparse.values.byteOffset : 0;
|
|
|
|
success = addArrayOfType(sparseValuesBuffer.blob, sparseValuesBufferview.byteOffset + accSVBoffset,
|
|
accessor.sparse.count, out_sparse_values_array, accessor.type, accessor.componentType,
|
|
accessor.normalized);
|
|
|
|
if (success) {
|
|
for (int i = 0; i < accessor.sparse.count; ++i) {
|
|
if ((i * 3) + 2 < out_sparse_values_array.size()) {
|
|
if ((out_sparse_indices_array[i] * 3) + 2 < outarray.length()) {
|
|
for (int j = 0; j < 3; ++j) {
|
|
outarray[(out_sparse_indices_array[i] * 3) + j] = out_sparse_values_array[(i * 3) + j];
|
|
}
|
|
} else {
|
|
success = false;
|
|
break;
|
|
}
|
|
} else {
|
|
success = false;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return success;
|
|
}
|
|
|
|
void GLTFSerializer::retriangulate(const QVector<int>& inIndices, const QVector<glm::vec3>& in_vertices,
|
|
const QVector<glm::vec3>& in_normals, QVector<int>& outIndices,
|
|
QVector<glm::vec3>& out_vertices, QVector<glm::vec3>& out_normals) {
|
|
for (int i = 0; i + 2 < inIndices.size(); i = i + 3) {
|
|
|
|
int idx1 = inIndices[i];
|
|
int idx2 = inIndices[i+1];
|
|
int idx3 = inIndices[i+2];
|
|
|
|
out_vertices.push_back(in_vertices[idx1]);
|
|
out_vertices.push_back(in_vertices[idx2]);
|
|
out_vertices.push_back(in_vertices[idx3]);
|
|
|
|
out_normals.push_back(in_normals[idx1]);
|
|
out_normals.push_back(in_normals[idx2]);
|
|
out_normals.push_back(in_normals[idx3]);
|
|
|
|
outIndices.push_back(i);
|
|
outIndices.push_back(i+1);
|
|
outIndices.push_back(i+2);
|
|
}
|
|
}
|
|
|
|
void GLTFSerializer::glTFDebugDump() {
|
|
qCDebug(modelformat) << "\n";
|
|
qCDebug(modelformat) << "---------------- GLTF Model ----------------";
|
|
|
|
qCDebug(modelformat) << "---------------- Nodes ----------------";
|
|
for (GLTFNode node : _file.nodes) {
|
|
if (node.defined["mesh"]) {
|
|
qCDebug(modelformat) << " node_transforms" << node.transforms;
|
|
}
|
|
}
|
|
|
|
qCDebug(modelformat) << "---------------- Accessors ----------------";
|
|
for (GLTFAccessor accessor : _file.accessors) {
|
|
qCDebug(modelformat) << "count: " << accessor.count;
|
|
qCDebug(modelformat) << "byteOffset: " << accessor.byteOffset;
|
|
}
|
|
|
|
qCDebug(modelformat) << "---------------- Textures ----------------";
|
|
for (GLTFTexture texture : _file.textures) {
|
|
if (texture.defined["source"]) {
|
|
QString url = _file.images[texture.source].uri;
|
|
QString fname = hifi::URL(url).fileName();
|
|
qCDebug(modelformat) << "fname: " << fname;
|
|
}
|
|
}
|
|
}
|