TYCourbeNiveauGraphic.cpp

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/*
 * Copyright (C) <2012-2024> <EDF-DTG> <FRANCE>
 * This file is part of Code_TYMPAN (R).
 * Code_TYMPAN (R) is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * Code_TYMPAN (R) is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU General Public License for more details.
 * You should have received a copy of the GNU General Public License along
 * with Code_TYMPAN (R). If not, see <https://www.gnu.org/licenses/>.
 */
 
#include "Tympan/models/business/topography/TYCourbeNiveau.h"
#include "Tympan/gui/gl/TYPickingTable.h"
#include "TYCourbeNiveauGraphic.h"
#include "Tympan/gui/gl/TYRenderContext.h"
#include "gui/tools/OGLMeshInstance.h"
#include "gui/tools/OGLPolyLineMesh.h"
#include "gui/tools/OGLSimpleMaterial.h"
#include <QtOpenGL>
#include <memory>
#include <qvector3d.h>
 
OGLPolyLineMesh::EndType endTypeFromCourbeNiveau(const TYCourbeNiveau* courbeNiveau)
{
    return courbeNiveau->isClosed() ? OGLPolyLineMesh::EndType::Closed : OGLPolyLineMesh::EndType::Open;
}
 
TYCourbeNiveauGraphic::TYCourbeNiveauGraphic(TYCourbeNiveau* pElement)
    : TYElementGraphic(pElement),
      _polylineMesh(std::make_shared<OGLPolyLineMesh>(endTypeFromCourbeNiveau(pElement)))
{
    _pPolyLineGraphic = new TYPolyLineGraphic(false);
    _pPolyLineGraphic->setElement(pElement);
    updateMesh();
}
 
void TYCourbeNiveauGraphic::update(bool force /*=false*/)
{
    if (getModified() || force)
    {
        updateMesh();
        TYElementGraphic::update(force);
    }
}
 
void TYCourbeNiveauGraphic::getChilds(TYListPtrTYElementGraphic& childs, bool recursif /*=true*/)
{
    TYElementGraphic* pTYElementGraphic = _pPolyLineGraphic;
    childs.push_back(pTYElementGraphic);
    if (recursif)
    {
        pTYElementGraphic->getChilds(childs, recursif);
    }
}
 
void TYCourbeNiveauGraphic::display(TYRenderContext& renderContext)
{
    if (!_visible)
    {
        return;
    }
 
    TYElementGraphic::display(renderContext);
 
    if (renderContext.type == TYRenderType::Picking)
    {
        // XXX: Implement picking with ray casting
        TYPickingTable::addElement(getElement());
        glPushName((GLuint)(TYPickingTable::getIndex()));
 
        glColor4fv(getElement()->getColor());
        float color[4];                       // az++ test
        glGetFloatv(GL_CURRENT_COLOR, color); // az++ test
        _pPolyLineGraphic->display(renderContext);
 
        glPopName();
    }
}
 
void TYCourbeNiveauGraphic::collectMeshInstances(std::vector<OGLMeshInstance>& meshInstances,
                                                 TYRenderContext* renderContext) const
{
    if (renderContext == nullptr || renderContext->showLevelCurves)
    {
        _polylineMesh->setMaterial(OGLSimpleMaterial{getElement()->getColor()});
        meshInstances.emplace_back(_polylineMesh, globalMatrix());
    }
};
void TYCourbeNiveauGraphic::updateMesh()
{
    // Update element graphic (legacy rendering)
    // XXX remove it when it is no longer necessary
    TYTabPoint tabpoints = getElement()->getListPoints();
 
    // Ajout d'un offset pour voir la courbe de niveau sur l'image site
    for (unsigned int i = 0; i < tabpoints.size(); i++)
    {
        tabpoints[i]._z += 0.5; // Anciennement 0.05
    }
 
    _pPolyLineGraphic->setTabPoint(tabpoints);
 
    // Update OGLMesh
    std::vector<QVector3D> vertices;
    for (auto point : _pPolyLineGraphic->getTabPoint())
    {
        vertices.emplace_back(point._x, point._y, point._z);
    }
    OGLPolyLineMesh::EndType endType = endTypeFromCourbeNiveau(getElement());
 
    _polylineMesh->setEndType(endType);
    _polylineMesh->setVertices(vertices);
};