TYTerrainGraphic.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/OLocalizator.h"
#include "Tympan/models/business/topography/TYTerrain.h"
#include "Tympan/gui/gl/TYPickingTable.h"
#include "TYTerrainGraphic.h"
#include "Tympan/gui/gl/TYRenderContext.h"
 
#define IMG(id) OLocalizator::getPicture("TYTerrainGraphic", (id))
 
TYTerrainGraphic::TYTerrainGraphic(TYTerrain* pElement) : TYElementGraphic(pElement)
{
    _pPolygon = new TYPolygon();
 
    _pPolyLineGraphic = new TYPolyLineGraphic(true);
    _pPolyLineGraphic->setElement(pElement);
 
    _pTex = new OGLTexture2D();
}
 
void TYTerrainGraphic::update(bool force /*=false*/)
{
    TYElementGraphic::update(force);
}
 
void TYTerrainGraphic::getChilds(TYListPtrTYElementGraphic& childs, bool recursif /*=true*/)
{
    TYElementGraphic* pTYElementGraphic = _pPolygon->getGraphicObject();
    childs.push_back(pTYElementGraphic);
    if (recursif)
    {
        pTYElementGraphic->getChilds(childs, recursif);
    }
 
    pTYElementGraphic = _pPolyLineGraphic;
    childs.push_back(pTYElementGraphic);
    if (recursif)
    {
        pTYElementGraphic->getChilds(childs, recursif);
    }
}
 
OBox TYTerrainGraphic::computeBoundingBox() const
{
    OBox boundingBox;
    boundingBox.Enlarge(_pPolygon->getGraphicObject()->boundingBox());
    boundingBox.Enlarge(_pPolyLineGraphic->boundingBox());
    return boundingBox;
}
 
void TYTerrainGraphic::display(TYRenderContext& renderContext)
{
    if (!_visible)
    {
        return;
    }
 
    TYElementGraphic::display(renderContext);
 
    TYTabPoint tabpoints = getElement()->getListPoints();
 
    // Ajout d'un offset pour eviter le flickering avec l'altimetrie
    for (unsigned int i = 0; i < tabpoints.size(); i++)
    {
        tabpoints[i]._z += 0.05;
    }
 
    _pPolygon->setPoints(tabpoints);
 
    // XXX There should be no reason to set flag modified to true in display method
    // Try to delete the statement below
    // See issue https://gitlab.com/tympan/code_tympan/-/issues/762
    _pPolyLineGraphic->setModified(true);
    _pPolyLineGraphic->setTabPoint(tabpoints);
 
    if (renderContext.type == TYRenderType::Picking)
    {
        TYPickingTable::addElement(getElement());
        glPushName((GLuint)(TYPickingTable::getIndex()));
    }
 
    _pPolyLineGraphic->setBoundingBoxVisible(_highlight);
    _pPolygon->getGraphicObject()->setBoundingBoxVisible(_highlight);
 
    glColor4fv(getElement()->getColor());
    _pPolyLineGraphic->display(renderContext);
 
    glColor4fv(getElement()->getColor());
    bindTexture();
    _pPolygon->getGraphicObject()->display(renderContext);
 
    if (renderContext.type == TYRenderType::Picking)
    {
        glPopName();
    }
}
 
void TYTerrainGraphic::bindTexture()
{
    // Desactive le texturing.
    _pPolygon->getGraphicObject()->setTexture(false);
 
    // Si le sol est de type vegetation...
    if (getElement()->isUsingVegetation())
    {
        // On active le texturing.
        _pPolygon->getGraphicObject()->setTexture();
 
        double r = getElement()->getSol()->getResistivite();
 
        // On charge la texture qui va bien.
        if (r >= 5.0 && r < 20.0)
        {
            _pTex->load(IMG("id_terrain_0").toLatin1().data());
        }
        else if (r >= 20.0 && r < 50.0)
        {
            _pTex->load(IMG("id_terrain_1").toLatin1().data());
        }
        else if (r >= 50.0 && r < 100.0)
        {
            _pTex->load(IMG("id_terrain_2").toLatin1().data());
        }
        else if (r >= 100.0 && r < 200.0)
        {
            _pTex->load(IMG("id_terrain_3").toLatin1().data());
        }
        else if (r >= 200.0 && r < 500.0)
        {
            _pTex->load(IMG("id_terrain_4").toLatin1().data());
        }
        else if (r >= 500.0 && r < 1000.0)
        {
            _pTex->load(IMG("id_terrain_5").toLatin1().data());
        }
        else if (r >= 1000.0 && r < 5000.0)
        {
            _pTex->load(IMG("id_terrain_6").toLatin1().data());
        }
        else if (r >= 5000.0 && r < 10000.0)
        {
            _pTex->load(IMG("id_terrain_7").toLatin1().data());
        }
        else if (r >= 10000.0 && r < 20000.0)
        {
            _pTex->load(IMG("id_terrain_8").toLatin1().data());
        }
        else if (r >= 20000.0)
        {
            _pTex->load(IMG("id_terrain_9").toLatin1().data());
        }
 
        // On met la couleur en blanc pour etre sur qu'il n'y a pas de melange de couleur.
        glColor4fv(OColor::WHITE);
 
        // On applique la texture.
        _pTex->bind();
    }
}