.. _program_listing_file_SPlisHSPlasH_ICSPH_SimulationDataICSPH.cpp:

Program Listing for File SimulationDataICSPH.cpp
================================================

|exhale_lsh| :ref:`Return to documentation for file <file_SPlisHSPlasH_ICSPH_SimulationDataICSPH.cpp>` (``SPlisHSPlasH/ICSPH/SimulationDataICSPH.cpp``)

.. |exhale_lsh| unicode:: U+021B0 .. UPWARDS ARROW WITH TIP LEFTWARDS

.. code-block:: cpp

   #include "SimulationDataICSPH.h"
   #include "SPlisHSPlasH/SPHKernels.h"
   #include "SPlisHSPlasH/Simulation.h"
   
   using namespace SPH;
   
   SimulationDataICSPH::SimulationDataICSPH()
   {
   }
   
   SimulationDataICSPH::~SimulationDataICSPH(void)
   {
       cleanup();
   }
   
   void SimulationDataICSPH::init()
   {
       Simulation *sim = Simulation::getCurrent();
       const unsigned int nModels = sim->numberOfFluidModels();
   
       m_aii.resize(nModels);
       m_density_adv.resize(nModels);
       m_pressure.resize(nModels);
       m_pressureAccel.resize(nModels);
       m_pressureGradient.resize(nModels);
       for (unsigned int i = 0; i < nModels; i++)
       {
           FluidModel *fm = sim->getFluidModel(i);
           m_aii[i].resize(fm->numParticles(), 0.0);
           m_density_adv[i].resize(fm->numParticles(), 0.0);
           m_pressure[i].resize(fm->numParticles(), 0.0);
           m_pressureAccel[i].resize(fm->numParticles(), Vector3r::Zero());
           m_pressureGradient[i].resize(fm->numParticles(), Vector3r::Zero());
       }
   }
   
   void SimulationDataICSPH::cleanup()
   {
       Simulation *sim = Simulation::getCurrent();
       const unsigned int nModels = sim->numberOfFluidModels();
   
       for (unsigned int i = 0; i < nModels; i++)
       {
           m_aii[i].clear();
           m_density_adv[i].clear();
           m_pressure[i].clear();
           m_pressureAccel[i].clear();
           m_pressureGradient[i].clear();
       }
       m_aii.clear();
       m_density_adv.clear();
       m_pressure.clear();
       m_pressureAccel.clear();
       m_pressureGradient.clear();
   }
   
   void SimulationDataICSPH::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;
           }
       }
   }
   
   void SimulationDataICSPH::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]);
           }
       }
   }
   
   void SimulationDataICSPH::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_pressure[fluidModelIndex][j] = 0.0;
       }
   }