dust3d/application/sources/material_previews_generator.cc

132 lines
4.7 KiB
C++

#include <QGuiApplication>
#include <QElapsedTimer>
#include <QDebug>
#include <QFile>
#include <dust3d/base/ds3_file.h>
#include <dust3d/base/snapshot_xml.h>
#include "material_previews_generator.h"
#include "mesh_generator.h"
#include "texture_generator.h"
#include "image_forever.h"
#include "mesh_result_post_processor.h"
MaterialPreviewsGenerator::MaterialPreviewsGenerator()
{
}
MaterialPreviewsGenerator::~MaterialPreviewsGenerator()
{
for (auto &item: m_previews) {
delete item.second;
}
}
void MaterialPreviewsGenerator::addMaterial(dust3d::Uuid materialId, const std::vector<MaterialLayer> &layers)
{
m_materials.push_back({materialId, layers});
}
const std::set<dust3d::Uuid> &MaterialPreviewsGenerator::generatedPreviewMaterialIds()
{
return m_generatedMaterialIds;
}
Model *MaterialPreviewsGenerator::takePreview(dust3d::Uuid materialId)
{
Model *resultMesh = m_previews[materialId];
m_previews[materialId] = nullptr;
return resultMesh;
}
void MaterialPreviewsGenerator::generate()
{
dust3d::Snapshot *snapshot = new dust3d::Snapshot;
QFile file(":/resources/material-demo-model.ds3");
file.open(QFile::ReadOnly);
QByteArray fileData = file.readAll();
std::vector<dust3d::Uuid> partIds;
dust3d::Ds3FileReader ds3Reader((const std::uint8_t *)fileData.data(), fileData.size());
for (int i = 0; i < ds3Reader.items().size(); ++i) {
dust3d::Ds3ReaderItem item = ds3Reader.items().at(i);
if (item.type == "model") {
std::vector<std::uint8_t> data;
ds3Reader.loadItem(item.name, &data);
std::string xmlString((char *)data.data(), data.size());
dust3d::loadSnapshotFromXmlString(snapshot, (char *)xmlString.c_str());
for (const auto &item: snapshot->parts) {
partIds.push_back(dust3d::Uuid(item.first));
}
}
}
dust3d::MeshGenerator::GeneratedCacheContext *cacheContext = new dust3d::MeshGenerator::GeneratedCacheContext();
MeshGenerator *meshGenerator = new MeshGenerator(snapshot);
meshGenerator->setGeneratedCacheContext(cacheContext);
meshGenerator->generate();
for (const auto &mirror: cacheContext->partMirrorIdMap) {
partIds.push_back(dust3d::Uuid(mirror.first));
}
dust3d::Object *object = meshGenerator->takeObject();
if (nullptr != object) {
MeshResultPostProcessor *poseProcessor = new MeshResultPostProcessor(*object);
poseProcessor->poseProcess();
delete object;
object = poseProcessor->takePostProcessedObject();
delete poseProcessor;
}
if (nullptr != object) {
for (const auto &material: m_materials) {
TextureGenerator *textureGenerator = new TextureGenerator(*object);
for (const auto &layer: material.second) {
for (const auto &mapItem: layer.maps) {
const QImage *image = ImageForever::get(mapItem.imageId);
if (nullptr == image)
continue;
for (const auto &partId: partIds) {
if (dust3d::TextureType::BaseColor == mapItem.forWhat)
textureGenerator->addPartColorMap(partId, image, layer.tileScale);
else if (dust3d::TextureType::Normal == mapItem.forWhat)
textureGenerator->addPartNormalMap(partId, image, layer.tileScale);
else if (dust3d::TextureType::Metallic == mapItem.forWhat)
textureGenerator->addPartMetalnessMap(partId, image, layer.tileScale);
else if (dust3d::TextureType::Roughness == mapItem.forWhat)
textureGenerator->addPartRoughnessMap(partId, image, layer.tileScale);
else if (dust3d::TextureType::AmbientOcclusion == mapItem.forWhat)
textureGenerator->addPartAmbientOcclusionMap(partId, image, layer.tileScale);
}
}
}
textureGenerator->generate();
Model *texturedResultMesh = textureGenerator->takeResultMesh();
if (nullptr != texturedResultMesh) {
m_previews[material.first] = new Model(*texturedResultMesh);
m_generatedMaterialIds.insert(material.first);
delete texturedResultMesh;
}
delete textureGenerator;
}
}
delete object;
delete meshGenerator;
delete cacheContext;
}
void MaterialPreviewsGenerator::process()
{
QElapsedTimer countTimeConsumed;
countTimeConsumed.start();
generate();
qDebug() << "The material previews generation took" << countTimeConsumed.elapsed() << "milliseconds";
emit finished();
}