dust3d/src/meshgenerator.cpp

325 lines
13 KiB
C++

#include <vector>
#include <QGuiApplication>
#include "meshgenerator.h"
#include "util.h"
#include "skeletondocument.h"
#include "meshlite.h"
#include "modelofflinerender.h"
#include "meshutil.h"
#include "theme.h"
bool MeshGenerator::enableDebug = false;
MeshGenerator::MeshGenerator(SkeletonSnapshot *snapshot, QThread *thread) :
m_snapshot(snapshot),
m_mesh(nullptr),
m_preview(nullptr),
m_requirePreview(false),
m_previewRender(nullptr),
m_thread(thread)
{
}
MeshGenerator::~MeshGenerator()
{
delete m_snapshot;
delete m_mesh;
delete m_preview;
for (const auto &partPreviewIt: m_partPreviewMap) {
delete partPreviewIt.second;
}
for (const auto &render: m_partPreviewRenderMap) {
delete render.second;
}
delete m_previewRender;
}
void MeshGenerator::addPreviewRequirement()
{
m_requirePreview = true;
if (nullptr == m_previewRender) {
m_previewRender = new ModelOfflineRender;
m_previewRender->setRenderThread(m_thread);
}
}
void MeshGenerator::addPartPreviewRequirement(const QString &partId)
{
//qDebug() << "addPartPreviewRequirement:" << partId;
m_requirePartPreviewMap.insert(partId);
if (m_partPreviewRenderMap.find(partId) == m_partPreviewRenderMap.end()) {
ModelOfflineRender *render = new ModelOfflineRender;
render->setRenderThread(m_thread);
m_partPreviewRenderMap[partId] = render;
}
}
Mesh *MeshGenerator::takeResultMesh()
{
Mesh *resultMesh = m_mesh;
m_mesh = nullptr;
return resultMesh;
}
QImage *MeshGenerator::takePreview()
{
QImage *resultPreview = m_preview;
m_preview = nullptr;
return resultPreview;
}
QImage *MeshGenerator::takePartPreview(const QString &partId)
{
QImage *resultImage = m_partPreviewMap[partId];
m_partPreviewMap[partId] = nullptr;
return resultImage;
}
void MeshGenerator::resolveBoundingBox(QRectF *mainProfile, QRectF *sideProfile, const QString &partId)
{
m_snapshot->resolveBoundingBox(mainProfile, sideProfile, partId);
}
void MeshGenerator::process()
{
if (nullptr == m_snapshot)
return;
void *meshliteContext = meshlite_create_context();
std::map<QString, int> partBmeshMap;
std::map<QString, int> bmeshNodeMap;
QRectF mainProfile, sideProfile;
resolveBoundingBox(&mainProfile, &sideProfile);
float longHeight = mainProfile.height();
if (mainProfile.width() > longHeight)
longHeight = mainProfile.width();
if (sideProfile.width() > longHeight)
longHeight = sideProfile.width();
float mainProfileMiddleX = mainProfile.x() + mainProfile.width() / 2;
float sideProfileMiddleX = sideProfile.x() + sideProfile.width() / 2;
float mainProfileMiddleY = mainProfile.y() + mainProfile.height() / 2;
float originX = valueOfKeyInMapOrEmpty(m_snapshot->canvas, "originX").toFloat();
float originY = valueOfKeyInMapOrEmpty(m_snapshot->canvas, "originY").toFloat();
float originZ = valueOfKeyInMapOrEmpty(m_snapshot->canvas, "originZ").toFloat();
bool originSettled = false;
if (originX > 0 && originY > 0 && originZ > 0) {
//qDebug() << "Use settled origin: " << originX << originY << originZ << " calculated:" << mainProfileMiddleX << mainProfileMiddleY << sideProfileMiddleX;
mainProfileMiddleX = originX;
mainProfileMiddleY = originY;
sideProfileMiddleX = originZ;
originSettled = true;
} else {
//qDebug() << "No settled origin, calculated:" << mainProfileMiddleX << mainProfileMiddleY << sideProfileMiddleX;
}
for (const auto &partIdIt: m_snapshot->partIdList) {
const auto &part = m_snapshot->parts.find(partIdIt);
if (part == m_snapshot->parts.end())
continue;
QString disabledString = valueOfKeyInMapOrEmpty(part->second, "disabled");
bool isDisabled = isTrueValueString(disabledString);
if (isDisabled)
continue;
bool subdived = isTrueValueString(valueOfKeyInMapOrEmpty(part->second, "subdived"));
int bmeshId = meshlite_bmesh_create(meshliteContext);
if (subdived)
meshlite_bmesh_set_cut_subdiv_count(meshliteContext, bmeshId, 1);
if (MeshGenerator::enableDebug)
meshlite_bmesh_enable_debug(meshliteContext, bmeshId, 1);
partBmeshMap[partIdIt] = bmeshId;
}
for (const auto &edgeIt: m_snapshot->edges) {
QString partId = valueOfKeyInMapOrEmpty(edgeIt.second, "partId");
QString fromNodeId = valueOfKeyInMapOrEmpty(edgeIt.second, "from");
QString toNodeId = valueOfKeyInMapOrEmpty(edgeIt.second, "to");
//qDebug() << "Processing edge " << fromNodeId << "<=>" << toNodeId;
const auto fromIt = m_snapshot->nodes.find(fromNodeId);
const auto toIt = m_snapshot->nodes.find(toNodeId);
if (fromIt == m_snapshot->nodes.end() || toIt == m_snapshot->nodes.end())
continue;
const auto partBmeshIt = partBmeshMap.find(partId);
if (partBmeshIt == partBmeshMap.end())
continue;
int bmeshId = partBmeshIt->second;
int bmeshFromNodeId = 0;
const auto bmeshFromIt = bmeshNodeMap.find(fromNodeId);
if (bmeshFromIt == bmeshNodeMap.end()) {
float radius = valueOfKeyInMapOrEmpty(fromIt->second, "radius").toFloat() / longHeight;
float x = (valueOfKeyInMapOrEmpty(fromIt->second, "x").toFloat() - mainProfileMiddleX) / longHeight;
float y = (valueOfKeyInMapOrEmpty(fromIt->second, "y").toFloat() - mainProfileMiddleY) / longHeight;
float z = (valueOfKeyInMapOrEmpty(fromIt->second, "z").toFloat() - sideProfileMiddleX) / longHeight;
bmeshFromNodeId = meshlite_bmesh_add_node(meshliteContext, bmeshId, x, y, z, radius);
//qDebug() << "bmeshId[" << bmeshId << "] add node[" << bmeshFromNodeId << "]" << radius << x << y << z;
bmeshNodeMap[fromNodeId] = bmeshFromNodeId;
} else {
bmeshFromNodeId = bmeshFromIt->second;
//qDebug() << "bmeshId[" << bmeshId << "] use existed node[" << bmeshFromNodeId << "]";
}
int bmeshToNodeId = 0;
const auto bmeshToIt = bmeshNodeMap.find(toNodeId);
if (bmeshToIt == bmeshNodeMap.end()) {
float radius = valueOfKeyInMapOrEmpty(toIt->second, "radius").toFloat() / longHeight;
float x = (valueOfKeyInMapOrEmpty(toIt->second, "x").toFloat() - mainProfileMiddleX) / longHeight;
float y = (valueOfKeyInMapOrEmpty(toIt->second, "y").toFloat() - mainProfileMiddleY) / longHeight;
float z = (valueOfKeyInMapOrEmpty(toIt->second, "z").toFloat() - sideProfileMiddleX) / longHeight;
bmeshToNodeId = meshlite_bmesh_add_node(meshliteContext, bmeshId, x, y, z, radius);
//qDebug() << "bmeshId[" << bmeshId << "] add node[" << bmeshToNodeId << "]" << radius << x << y << z;
bmeshNodeMap[toNodeId] = bmeshToNodeId;
} else {
bmeshToNodeId = bmeshToIt->second;
//qDebug() << "bmeshId[" << bmeshId << "] use existed node[" << bmeshToNodeId << "]";
}
meshlite_bmesh_add_edge(meshliteContext, bmeshId, bmeshFromNodeId, bmeshToNodeId);
}
for (const auto &nodeIt: m_snapshot->nodes) {
QString partId = valueOfKeyInMapOrEmpty(nodeIt.second, "partId");
const auto partBmeshIt = partBmeshMap.find(partId);
if (partBmeshIt == partBmeshMap.end())
continue;
const auto nodeBmeshIt = bmeshNodeMap.find(nodeIt.first);
if (nodeBmeshIt != bmeshNodeMap.end())
continue;
int bmeshId = partBmeshIt->second;
float radius = valueOfKeyInMapOrEmpty(nodeIt.second, "radius").toFloat() / longHeight;
float x = (valueOfKeyInMapOrEmpty(nodeIt.second, "x").toFloat() - mainProfileMiddleX) / longHeight;
float y = (valueOfKeyInMapOrEmpty(nodeIt.second, "y").toFloat() - mainProfileMiddleY) / longHeight;
float z = (valueOfKeyInMapOrEmpty(nodeIt.second, "z").toFloat() - sideProfileMiddleX) / longHeight;
int bmeshNodeId = meshlite_bmesh_add_node(meshliteContext, bmeshId, x, y, z, radius);
//qDebug() << "bmeshId[" << bmeshId << "] add lonely node[" << bmeshNodeId << "]" << radius << x << y << z;
bmeshNodeMap[nodeIt.first] = bmeshNodeId;
}
bool broken = false;
std::vector<int> meshIds;
std::vector<int> subdivMeshIds;
for (const auto &partIdIt: m_snapshot->partIdList) {
const auto &part = m_snapshot->parts.find(partIdIt);
if (part == m_snapshot->parts.end())
continue;
QString disabledString = valueOfKeyInMapOrEmpty(part->second, "disabled");
bool isDisabled = isTrueValueString(disabledString);
if (isDisabled)
continue;
int bmeshId = partBmeshMap[partIdIt];
int meshId = meshlite_bmesh_generate_mesh(meshliteContext, bmeshId);
if (meshlite_bmesh_error_count(meshliteContext, bmeshId) != 0)
broken = true;
bool xMirrored = isTrueValueString(valueOfKeyInMapOrEmpty(part->second, "xMirrored"));
bool zMirrored = isTrueValueString(valueOfKeyInMapOrEmpty(part->second, "zMirrored"));
int xMirroredMeshId = 0;
int zMirroredMeshId = 0;
if (xMirrored || zMirrored) {
if (xMirrored) {
xMirroredMeshId = meshlite_mirror_in_x(meshliteContext, meshId, 0);
}
if (zMirrored) {
zMirroredMeshId = meshlite_mirror_in_z(meshliteContext, meshId, 0);
}
}
//bool subdived = isTrueValueString(valueOfKeyInMapOrEmpty(part->second, "subdived"));
bool subdived = false;
if (m_requirePartPreviewMap.find(partIdIt) != m_requirePartPreviewMap.end()) {
ModelOfflineRender *render = m_partPreviewRenderMap[partIdIt];
int trimedMeshId = meshlite_trim(meshliteContext, meshId, 1);
if (subdived) {
int subdivedMeshId = subdivMesh(meshliteContext, trimedMeshId);
if (subdivedMeshId > 0) {
trimedMeshId = subdivedMeshId;
}
}
render->updateMesh(new Mesh(meshliteContext, trimedMeshId));
QImage *image = new QImage(render->toImage(QSize(Theme::previewImageSize, Theme::previewImageSize)));
m_partPreviewMap[partIdIt] = image;
}
if (subdived) {
subdivMeshIds.push_back(meshId);
if (xMirroredMeshId)
subdivMeshIds.push_back(xMirroredMeshId);
if (zMirroredMeshId)
subdivMeshIds.push_back(zMirroredMeshId);
} else {
meshIds.push_back(meshId);
if (xMirroredMeshId)
meshIds.push_back(xMirroredMeshId);
if (zMirroredMeshId)
meshIds.push_back(zMirroredMeshId);
}
}
if (!subdivMeshIds.empty()) {
int mergedMeshId = 0;
if (subdivMeshIds.size() > 1) {
int errorCount = 0;
mergedMeshId = unionMeshs(meshliteContext, subdivMeshIds, &errorCount);
if (errorCount)
broken = true;
} else {
mergedMeshId = subdivMeshIds[0];
}
//if (mergedMeshId > 0)
// mergedMeshId = meshlite_combine_coplanar_faces(meshliteContext, mergedMeshId);
if (mergedMeshId > 0) {
int errorCount = 0;
int subdivedMeshId = subdivMesh(meshliteContext, mergedMeshId, &errorCount);
if (errorCount > 0)
broken = true;
if (subdivedMeshId > 0)
mergedMeshId = subdivedMeshId;
else
broken = true;
}
if (mergedMeshId > 0)
meshIds.push_back(mergedMeshId);
else
broken = true;
}
int mergedMeshId = 0;
if (meshIds.size() > 1) {
int errorCount = 0;
mergedMeshId = unionMeshs(meshliteContext, meshIds, &errorCount);
if (errorCount)
broken = true;
else if (mergedMeshId > 0)
mergedMeshId = meshlite_combine_coplanar_faces(meshliteContext, mergedMeshId);
if (mergedMeshId > 0)
mergedMeshId = meshlite_fix_hole(meshliteContext, mergedMeshId);
} else if (meshIds.size() > 0) {
mergedMeshId = meshIds[0];
}
if (mergedMeshId > 0) {
if (m_requirePreview) {
m_previewRender->updateMesh(new Mesh(meshliteContext, mergedMeshId));
QImage *image = new QImage(m_previewRender->toImage(QSize(Theme::previewImageSize, Theme::previewImageSize)));
m_preview = image;
}
int finalMeshId = mergedMeshId;
if (!originSettled) {
finalMeshId = meshlite_trim(meshliteContext, mergedMeshId, 1);
}
m_mesh = new Mesh(meshliteContext, finalMeshId, broken);
}
if (m_previewRender) {
m_previewRender->setRenderThread(QGuiApplication::instance()->thread());
}
for (auto &partPreviewRender: m_partPreviewRenderMap) {
partPreviewRender.second->setRenderThread(QGuiApplication::instance()->thread());
}
meshlite_destroy_context(meshliteContext);
this->moveToThread(QGuiApplication::instance()->thread());
emit finished();
}