Program Listing for File SimulationDataIISPH.cpp

↰ Return to documentation for file (SPlisHSPlasH/IISPH/SimulationDataIISPH.cpp)

#include "SimulationDataIISPH.h"
#include "SPlisHSPlasH/SPHKernels.h"
#include "SPlisHSPlasH/Simulation.h"

using namespace SPH;

SimulationDataIISPH::SimulationDataIISPH()
{
}

SimulationDataIISPH::~SimulationDataIISPH(void)
{
    cleanup();
}

void SimulationDataIISPH::init()
{
    Simulation *sim = Simulation::getCurrent();
    const unsigned int nModels = sim->numberOfFluidModels();

    m_aii.resize(nModels);
    m_dii.resize(nModels);
    m_dij_pj.resize(nModels);
    m_density_adv.resize(nModels);
    m_pressure.resize(nModels);
    m_lastPressure.resize(nModels);
    m_pressureAccel.resize(nModels);
    for (unsigned int i = 0; i < nModels; i++)
    {
        FluidModel *fm = sim->getFluidModel(i);
        m_aii[i].resize(fm->numParticles(), 0.0);
        m_dii[i].resize(fm->numParticles(), Vector3r::Zero());
        m_dij_pj[i].resize(fm->numParticles(), Vector3r::Zero());
        m_density_adv[i].resize(fm->numParticles(), 0.0);
        m_pressure[i].resize(fm->numParticles(), 0.0);
        m_lastPressure[i].resize(fm->numParticles(), 0.0);
        m_pressureAccel[i].resize(fm->numParticles(), Vector3r::Zero());
    }
}

void SimulationDataIISPH::cleanup()
{
    Simulation *sim = Simulation::getCurrent();
    const unsigned int nModels = sim->numberOfFluidModels();

    for (unsigned int i = 0; i < nModels; i++)
    {
        m_aii[i].clear();
        m_dii[i].clear();
        m_dij_pj[i].clear();
        m_density_adv[i].clear();
        m_pressure[i].clear();
        m_lastPressure[i].clear();
        m_pressureAccel[i].clear();
    }
    m_aii.clear();
    m_dii.clear();
    m_dij_pj.clear();
    m_density_adv.clear();
    m_pressure.clear();
    m_lastPressure.clear();
    m_pressureAccel.clear();
}

void SimulationDataIISPH::reset()
{
    Simulation *sim = Simulation::getCurrent();
    const unsigned int nModels = sim->numberOfFluidModels();

    for (unsigned int i = 0; i < nModels; i++)
    {
        FluidModel *fm = sim->getFluidModel(i);
        for (unsigned int j = 0; j < fm->numParticles(); j++)
        {
            m_lastPressure[i][j] = 0.0;
        }
    }
}

void SimulationDataIISPH::performNeighborhoodSearchSort()
{
    Simulation *sim = Simulation::getCurrent();
    const unsigned int nModels = sim->numberOfFluidModels();

    for (unsigned int i = 0; i < nModels; i++)
    {
        FluidModel *fm = sim->getFluidModel(i);
        const unsigned int numPart = fm->numActiveParticles();
        if (numPart != 0)
        {
            auto const& d = sim->getNeighborhoodSearch()->point_set(fm->getPointSetIndex());
            d.sort_field(&m_aii[i][0]);
            d.sort_field(&m_dii[i][0]);
            d.sort_field(&m_dij_pj[i][0]);
            d.sort_field(&m_density_adv[i][0]);
            d.sort_field(&m_pressure[i][0]);
            d.sort_field(&m_lastPressure[i][0]);
            d.sort_field(&m_pressureAccel[i][0]);
        }
    }
}

void SimulationDataIISPH::emittedParticles(FluidModel *model, const unsigned int startIndex)
{
    // initialize last pressure values for new particles
    const unsigned int fluidModelIndex = model->getPointSetIndex();
    for (unsigned int j = startIndex; j < model->numActiveParticles(); j++)
    {
        m_lastPressure[fluidModelIndex][j] = 0.0;
    }
}