Program Listing for File SimulationDataWCSPH.cpp

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

using namespace SPH;

SimulationDataWCSPH::SimulationDataWCSPH() :
    m_pressure(),
    m_pressureAccel()
{
}

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

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

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

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

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

void SimulationDataWCSPH::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_pressure[i][j] = 0.0;
            m_pressureAccel[i][j].setZero();
        }
    }
}

void SimulationDataWCSPH::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_pressure[i][0]);
            d.sort_field(&m_pressureAccel[i][0]);
        }
    }
}


void SimulationDataWCSPH::emittedParticles(FluidModel *model, const unsigned int startIndex)
{
    // initialize kappa values for new particles
    const unsigned int fluidModelIndex = model->getPointSetIndex();
    for (unsigned int j = startIndex; j < model->numActiveParticles(); j++)
    {
        m_pressure[fluidModelIndex][j] = 0.0;
        m_pressureAccel[fluidModelIndex][j].setZero();
    }
}