//------------------------------------------------------------------

// Iwa_TiledParticlesFx for Marnie

// based on ParticlesFx by Digital Video

//------------------------------------------------------------------

// TnzCore includes

#include "tofflinegl.h"

#include "tstroke.h"

#include "tpalette.h"

#include "tvectorimage.h"

#include "tvectorrenderdata.h"

#include "texception.h"

#include "trasterimage.h"

#include "drawutil.h"

// TnzBase includes

#include "trasterfx.h"

#include "tparamuiconcept.h"

// TnzLib includes

#include "toonz/toonzimageutils.h"

// TnzStdfx includes

#include "iwa_particlesengine.h"

#include "iwa_particlesmanager.h"

#include "iwa_particlesfx.h"

//**************************************************************************

//	Iwa_TiledParticlesFx  implementation

//**************************************************************************

Iwa_TiledParticlesFx::Iwa_TiledParticlesFx()

    : m_source("Texture")

    , m_control("Control")

    , source_ctrl_val(0)

    , bright_thres_val(25)

    , center_val(TPointD(0.0, 0.0))

    , length_val(5.0)

    , height_val(4.0)

    , maxnum_val(10.0)

    , lifetime_val(DoublePair(100., 100.))

    , lifetime_ctrl_val(0)

    , column_lifetime_val(false)

    , startpos_val(1)

    , randseed_val(1)

    , gravity_val(0.0)

    , g_angle_val(0.0)

    , gravity_ctrl_val(0)

    , friction_val(0.0)

    , friction_ctrl_val(0)

    , windint_val(0.0)

    , windangle_val(0.0)

    , swingmode_val(new TIntEnumParam(SWING_RANDOM, "Random"))

    , randomx_val(DoublePair(0., 0.))

    , randomy_val(DoublePair(0., 0.))

    , randomx_ctrl_val(0)

    , randomy_ctrl_val(0)

    , swing_val(DoublePair(0., 0.))

    , speed_val(DoublePair(0., 10.))

    , speed_ctrl_val(0)

    , speeda_val(DoublePair(0., 0.))

    , speeda_ctrl_val(0)

    , speeda_use_gradient_val(false)

    , speedscale_val(false)

    , toplayer_val(new TIntEnumParam(TOP_YOUNGER, "Younger"))

    , mass_val(DoublePair(1., 1.))

    , scale_val(DoublePair(100., 100.))

    , scale_ctrl_val(0)

    , scale_ctrl_all_val(false)

    , rot_val(DoublePair(0., 0.))

    , rot_ctrl_val(0)

    , trail_val(DoublePair(0., 0.))

    , trailstep_val(0.0)

    , rotswingmode_val(new TIntEnumParam(SWING_RANDOM, "Random"))

    , rotspeed_val(0.0)

    , rotsca_val(DoublePair(0., 0.))

    , rotswing_val(DoublePair(0., 0.))

    , pathaim_val(false)

    , opacity_val(DoublePair(0., 100.))

    , opacity_ctrl_val(0)

    , trailopacity_val(DoublePair(0., 100.))

    , scalestep_val(DoublePair(0., 0.))

    , scalestep_ctrl_val(0)

    , fadein_val(0.0)

    , fadeout_val(0.0)

    , animation_val(new TIntEnumParam(ANIM_HOLD, "Hold Frame"))

    , step_val(1)

    , gencol_ctrl_val(0)

    , gencol_spread_val(0.0)

    , genfadecol_val(0.0)

    , fincol_ctrl_val(0)

    , fincol_spread_val(0.0)

    , finrangecol_val(0.0)

    , finfadecol_val(0.0)

    , foutcol_ctrl_val(0)

    , foutcol_spread_val(0.0)

    , foutrangecol_val(0.0)

    , foutfadecol_val(0.0)

    , source_gradation_val(false)

    , pick_color_for_every_frame_val(false)

    /*- 計算モード （背景＋粒子／粒子／背景／照明された粒子 -*/

    , iw_rendermode_val(new TIntEnumParam(REND_ALL, "All"))

    /*- 粒子に貼られる絵の素材 -*/

    , base_ctrl_val(0)

    /*- カールノイズ的な動きを与える -*/

    , curl_val(0.0)

    /*- 手前奥でコントロールを立体化してみる -*/

    , curl_ctrl_1_val(0)

    , curl_ctrl_2_val(0)

    /*- 粒子敷き詰め作戦。粒子を正三角形で敷き詰めたときの、

          正三角形の一辺の長さをインチで指定する -*/

    , iw_triangleSize(15.0)

    /*- ひらひら回転 -*/

    , flap_ctrl_val(0)

    , iw_flap_velocity_val(0.0)        /*- 回転角速度 -*/

    , iw_flap_dir_sensitivity_val(1.0) /*- 回転軸感度 -*/

    /*- ひらひら粒子に照明を当てる -*/

    , iw_light_theta_val(60.0) /*- 光源の方向（Degree）-*/

    , iw_light_phi_val(45.0)   /*- 光源の傾き（Degree）-*/

    /*- 読み込みマージン -*/

    , margin_val(0.0)

    /*- 重力を徐々に与えるためのフレーム長 -*/

    , iw_gravityBufferFrame_val(0) {

  addInputPort("Texture1", new TRasterFxPort, 0);

  addInputPort("Control1", new TRasterFxPort, 1);

  length_val->setMeasureName("fxLength");

  height_val->setMeasureName("fxLength");

  center_val->getX()->setMeasureName("fxLength");

  center_val->getY()->setMeasureName("fxLength");

  bindParam(this, "source_ctrl", source_ctrl_val);

  bindParam(this, "bright_thres", bright_thres_val);

  bright_thres_val->setValueRange(0, 255);

  bindParam(this, "center", center_val);

  bindParam(this, "length", length_val);

  length_val->setValueRange(1.0, (std::numeric_limits<double>::max)());</double>

  bindParam(this, "height", height_val);

  height_val->setValueRange(1.0, (std::numeric_limits<double>::max)());</double>

  bindParam(this, "birth_rate", maxnum_val);

  maxnum_val->setValueRange(0.0, (std::numeric_limits<double>::max)());</double>

  bindParam(this, "lifetime", lifetime_val);

  lifetime_val->getMin()->setValueRange(0., +3000.);

  lifetime_val->getMax()->setValueRange(0., +3000.);

  bindParam(this, "lifetime_ctrl", lifetime_ctrl_val);

  bindParam(this, "column_lifetime", column_lifetime_val);

  bindParam(this, "starting_frame", startpos_val);

  bindParam(this, "random_seed", randseed_val);

  bindParam(this, "gravity", gravity_val);

  gravity_val->setValueRange(0.0, (std::numeric_limits<double>::max)());</double>

  bindParam(this, "gravity_angle", g_angle_val);

  g_angle_val->setMeasureName("angle");

  bindParam(this, "gravity_ctrl", gravity_ctrl_val);

  bindParam(this, "friction", friction_val);

  bindParam(this, "friction_ctrl", friction_ctrl_val);

  bindParam(this, "wind", windint_val);

  bindParam(this, "wind_angle", windangle_val);

  windangle_val->setMeasureName("angle");

  bindParam(this, "swing_mode", swingmode_val);

  swingmode_val->addItem(SWING_SMOOTH, "Smooth");

  bindParam(this, "scattering_x", randomx_val);

  randomx_val->getMin()->setMeasureName("fxLength");

  randomx_val->getMax()->setMeasureName("fxLength");

  randomx_val->getMin()->setValueRange(-1000., +1000.);

  randomx_val->getMax()->setValueRange(-1000., +1000.);

  bindParam(this, "scattering_y", randomy_val);

  randomy_val->getMin()->setMeasureName("fxLength");

  randomy_val->getMax()->setMeasureName("fxLength");

  randomy_val->getMin()->setValueRange(-1000., +1000.);

  randomy_val->getMax()->setValueRange(-1000., +1000.);

  bindParam(this, "scattering_x_ctrl", randomx_ctrl_val);

  bindParam(this, "scattering_y_ctrl", randomy_ctrl_val);

  bindParam(this, "swing", swing_val);

  swing_val->getMin()->setValueRange(-1000., +1000.);

  swing_val->getMax()->setValueRange(-1000., +1000.);

  speed_val->getMin()->setMeasureName("fxLength");

  speed_val->getMax()->setMeasureName("fxLength");

  bindParam(this, "speed", speed_val);

  speed_val->getMin()->setValueRange(-1000., +1000.);

  speed_val->getMax()->setValueRange(-1000., +1000.);

  bindParam(this, "speed_ctrl", speed_ctrl_val);

  bindParam(this, "speed_angle", speeda_val);

  speeda_val->getMin()->setValueRange(-1000., +1000.);

  speeda_val->getMax()->setValueRange(-1000., +1000.);

  speeda_val->getMin()->setMeasureName("angle");

  speeda_val->getMax()->setMeasureName("angle");

  bindParam(this, "speeda_ctrl", speeda_ctrl_val);

  bindParam(this, "speeda_use_gradient", speeda_use_gradient_val);

  bindParam(this, "speed_size", speedscale_val);

  bindParam(this, "top_layer", toplayer_val);

  toplayer_val->addItem(TOP_OLDER, "Older");

  toplayer_val->addItem(TOP_SMALLER, "Smaller");

  toplayer_val->addItem(TOP_BIGGER, "Bigger");

  toplayer_val->addItem(TOP_RANDOM, "Random");

  bindParam(this, "mass", mass_val);

  mass_val->getMin()->setValueRange(0., +1000.);

  mass_val->getMax()->setValueRange(0., +1000.);

  bindParam(this, "scale", scale_val);

  scale_val->getMin()->setValueRange(0., +1000.);

  scale_val->getMax()->setValueRange(0., +1000.);

  bindParam(this, "scale_ctrl", scale_ctrl_val);

  bindParam(this, "scale_ctrl_all", scale_ctrl_all_val);

  bindParam(this, "rot", rot_val);

  rot_val->getMin()->setValueRange(-1000., +1000.);

  rot_val->getMax()->setValueRange(-1000., +1000.);

  rot_val->getMin()->setMeasureName("angle");

  rot_val->getMax()->setMeasureName("angle");

  bindParam(this, "rot_ctrl", rot_ctrl_val);

  bindParam(this, "trail", trail_val);

  trail_val->getMin()->setValueRange(0., +1000.);

  trail_val->getMax()->setValueRange(0., +1000.);

  bindParam(this, "trail_step", trailstep_val);

  trailstep_val->setValueRange(1.0, (std::numeric_limits<double>::max)());</double>

  bindParam(this, "spin_swing_mode", rotswingmode_val);

  rotswingmode_val->addItem(SWING_SMOOTH, "Smooth");

  bindParam(this, "spin_speed", rotspeed_val);

  rotspeed_val->setMeasureName("angle");

  bindParam(this, "spin_random", rotsca_val);

  rotsca_val->getMin()->setValueRange(-1000., +1000.);

  rotsca_val->getMax()->setValueRange(-1000., +1000.);

  rotsca_val->getMin()->setMeasureName("angle");

  rotsca_val->getMax()->setMeasureName("angle");

  bindParam(this, "spin_swing", rotswing_val);

  rotswing_val->getMin()->setValueRange(-1000., +1000.);

  rotswing_val->getMax()->setValueRange(-1000., +1000.);

  rotswing_val->getMin()->setMeasureName("angle");

  rotswing_val->getMax()->setMeasureName("angle");

  bindParam(this, "path_aim", pathaim_val);

  bindParam(this, "opacity", opacity_val);

  opacity_val->getMin()->setValueRange(0., +100.);

  opacity_val->getMax()->setValueRange(0., +100.);

  bindParam(this, "opacity_ctrl", opacity_ctrl_val);

  bindParam(this, "trail_opacity", trailopacity_val);

  trailopacity_val->getMin()->setValueRange(0., +100.);

  trailopacity_val->getMax()->setValueRange(0., +100.);

  bindParam(this, "scale_step", scalestep_val);

  bindParam(this, "scale_step_ctrl", scalestep_ctrl_val);

  scalestep_val->getMin()->setValueRange(-100., +100.);

  scalestep_val->getMax()->setValueRange(-100., +100.);

  bindParam(this, "fade_in", fadein_val);

  bindParam(this, "fade_out", fadeout_val);

  bindParam(this, "animation", animation_val);

  animation_val->addItem(ANIM_RANDOM, "Random Frame");

  animation_val->addItem(ANIM_CYCLE, "Column");

  animation_val->addItem(ANIM_R_CYCLE, "Column - Random Start");

  animation_val->addItem(ANIM_SR_CYCLE, "Column Swing - Random Start");

  bindParam(this, "step", step_val);

  step_val->setValueRange(1, (std::numeric_limits<int>::max)());</int>

  std::vector<tspectrum::colorkey> colors = {</tspectrum::colorkey>

      TSpectrum::ColorKey(0, TPixel32::Red),

      TSpectrum::ColorKey(1, TPixel32::Red)};

  gencol_val = TSpectrumParamP(colors);

  bindParam(this, "birth_color", gencol_val);

  bindParam(this, "birth_color_ctrl", gencol_ctrl_val);

  bindParam(this, "birth_color_spread", gencol_spread_val);

  gencol_spread_val->setValueRange(0.0, (std::numeric_limits<int>::max)());</int>

  bindParam(this, "birth_color_fade", genfadecol_val);

  genfadecol_val->setValueRange(0.0, 100.0);

  std::vector<tspectrum::colorkey> colors1 = {</tspectrum::colorkey>

      TSpectrum::ColorKey(0, TPixel32::Green),

      TSpectrum::ColorKey(1, TPixel32::Green)};

  fincol_val = TSpectrumParamP(colors1);

  bindParam(this, "fadein_color", fincol_val);

  bindParam(this, "fadein_color_ctrl", fincol_ctrl_val);

  bindParam(this, "fadein_color_spread", fincol_spread_val);

  fincol_spread_val->setValueRange(0.0, (std::numeric_limits<int>::max)());</int>

  bindParam(this, "fadein_color_range", finrangecol_val);

  finrangecol_val->setValueRange(0.0, (std::numeric_limits<double>::max)());</double>

  bindParam(this, "fadein_color_fade", finfadecol_val);

  finfadecol_val->setValueRange(0.0, 100.0);

  std::vector<tspectrum::colorkey> colors2 = {</tspectrum::colorkey>

      TSpectrum::ColorKey(0, TPixel32::Blue),

      TSpectrum::ColorKey(1, TPixel32::Blue)};

  foutcol_val = TSpectrumParamP(colors2);

  bindParam(this, "fadeout_color", foutcol_val);

  bindParam(this, "fadeout_color_ctrl", foutcol_ctrl_val);

  bindParam(this, "fadeout_color_spread", foutcol_spread_val);

  foutcol_spread_val->setValueRange(0.0, (std::numeric_limits<int>::max)());</int>

  bindParam(this, "fadeout_color_range", foutrangecol_val);

  foutrangecol_val->setValueRange(0.0, (std::numeric_limits<double>::max)());</double>

  bindParam(this, "fadeout_color_fade", foutfadecol_val);

  foutfadecol_val->setValueRange(0.0, 100.0);

  bindParam(this, "source_gradation", source_gradation_val);

  bindParam(this, "pick_color_for_every_frame", pick_color_for_every_frame_val);

  /*- 計算モード （背景＋粒子／粒子／背景／照明された粒子） -*/

  bindParam(this, "rendermode", iw_rendermode_val);

  iw_rendermode_val->addItem(REND_PARTICLES, "Particles");

  iw_rendermode_val->addItem(REND_BG, "Background");

  iw_rendermode_val->addItem(REND_ILLUMINATED, "Illuminated");

  /*- 粒子に貼られる絵の素材 -*/

  bindParam(this, "base_ctrl", base_ctrl_val);

  bindParam(this, "curl", curl_val);

  curl_val->setValueRange(0.0, (std::numeric_limits<double>::max)());</double>

  bindParam(this, "curl_ctrl", curl_ctrl_1_val);

  bindParam(this, "curl_ctrl_2", curl_ctrl_2_val);

  /*- 粒子敷き詰め作戦。粒子を正三角形で敷き詰めたときの、

          正三角形の一辺の長さをインチで指定する -*/

  bindParam(this, "triangleSize", iw_triangleSize);

  iw_triangleSize->setValueRange(0.1, 100);

  iw_triangleSize->setMeasureName("fxLength");

  /*- ひらひら回転 -*/

  bindParam(this, "flap_ctrl", flap_ctrl_val);

  bindParam(this, "flap_velocity", iw_flap_velocity_val);

  iw_flap_velocity_val->setValueRange(0.0,

                                      (std::numeric_limits<double>::max)());</double>

  bindParam(this, "flap_dir_sensitivity", iw_flap_dir_sensitivity_val);

  iw_flap_dir_sensitivity_val->setValueRange(0.0, 1.0);

  /*- ひらひら粒子に照明を当てる -*/

  bindParam(this, "light_theta", iw_light_theta_val);

  iw_light_theta_val->setValueRange(-1000.0, 1000.0);

  bindParam(this, "light_phi", iw_light_phi_val);

  iw_light_phi_val->setValueRange(-1000.0, 1000.0);

  /*- 読み込みマージン -*/

  margin_val->setMeasureName("fxLength");

  bindParam(this, "margin", margin_val);

  margin_val->setValueRange(0, (std::numeric_limits<double>::max)());</double>

  /*- 重力を徐々に与えるためのフレーム長 -*/

  bindParam(this, "gravityBufferFrame", iw_gravityBufferFrame_val);

}

//------------------------------------------------------------------

Iwa_TiledParticlesFx::~Iwa_TiledParticlesFx() {}

//------------------------------------------------------------------

void Iwa_TiledParticlesFx::getParamUIs(TParamUIConcept *&concepts,

                                       int &length) {

  concepts = new TParamUIConcept[length = 2];

  concepts[0].m_type  = TParamUIConcept::POINT;

  concepts[0].m_label = "Center";

  concepts[0].m_params.push_back(center_val);

  concepts[1].m_type = TParamUIConcept::RECT;

  concepts[1].m_params.push_back(length_val);

  concepts[1].m_params.push_back(height_val);

  concepts[1].m_params.push_back(center_val);

}

//------------------------------------------------------------------

bool Iwa_TiledParticlesFx::doGetBBox(double frame, TRectD &bBox,

                                     const TRenderSettings &info) {

  // Returning an infinite rect. This is necessary since building the actual

  // bbox

  // is a very complicate task.

  bBox = TConsts::infiniteRectD;

  return true;

}

//------------------------------------------------------------------

std::string Iwa_TiledParticlesFx::getAlias(double frame,

                                           const TRenderSettings &info) const {

  std::string alias = getFxType();

  alias += "[";

  // alias degli effetti connessi alle porte di input separati da virgole

  // una porta non connessa da luogo a un alias vuoto (stringa vuota)

  for (int i = 0; i < getInputPortCount(); ++i) {

    TFxPort *port = getInputPort(i);

    if (port->isConnected()) {

      TRasterFxP ifx = port->getFx();

      assert(ifx);

      alias += ifx->getAlias(frame, info);

    }

    alias += ",";

  }

  std::string paramalias("");

  for (int i = 0; i < getParams()->getParamCount(); ++i) {

    TParam *param = getParams()->getParam(i);

    paramalias += param->getName() + "=" + param->getValueAlias(frame, 3);

  }

  return alias + std::to_string(frame) + "," + std::to_string(getIdentifier()) +

         paramalias + "]";

}

//------------------------------------------------------------------

bool Iwa_TiledParticlesFx::allowUserCacheOnPort(int portNum) {

  // Only control port are currently allowed to cache upon explicit user's

  // request

  std::string tmpName = getInputPortName(portNum);

  return tmpName.find("Control") != std::string::npos;

}

//------------------------------------------------------------------

void Iwa_TiledParticlesFx::doDryCompute(TRectD &rect, double frame,

                                        const TRenderSettings &info) {

  Iwa_ParticlesManager *pc = Iwa_ParticlesManager::instance();

  unsigned long fxId       = getIdentifier();

  int inputPortCount       = getInputPortCount();

  int i, j, curr_frame = frame,              /*- 現在のフレーム -*/

      startframe = startpos_val->getValue(); /*- Particesの開始フレーム -*/

  TRenderSettings infoOnInput(info);

  infoOnInput.m_affine =

      TAffine();  // Using the standard reference - indep. from cameras.

  infoOnInput.m_bpp =

      64;  // Control ports rendered at 32 bit - since not visible.

  for (i = startframe - 1; i <= curr_frame; ++i) {

    double frame = std::max(0, i);

    for (j = 0; j < inputPortCount; ++j) {

      TFxPort *port       = getInputPort(j);

      std::string tmpName = getInputPortName(j);

      if (port->isConnected()) {

        TRasterFxP fx = port->getFx();

        // Now, consider that source ports work different than control ones

        QString portName = QString::fromStdString(tmpName);

        if (portName.startsWith("C")) {

          // Control ports are calculated from start to current frame, since

          // particle mechanics at current frame is influenced by previous ones

          // (and therefore by all previous control images).

          TRectD bbox;

          fx->getBBox(frame, bbox, infoOnInput);

          if (bbox == TConsts::infiniteRectD) bbox = info.m_affine.inv() * rect;

          fx->dryCompute(bbox, frame, infoOnInput);

        } else if (portName.startsWith("T")) {

          // Particles handle source ports caching procedures on its own.

        }

      }

    }

  }

}

//------------------------------------------------------------------

void Iwa_TiledParticlesFx::doCompute(TTile &tile, double frame,

                                     const TRenderSettings &ri) {

  std::vector<int> lastframe;</int>

  std::vector<tlevelp> partLevel;</tlevelp>

  TPointD p_offset;

  TDimension p_size(0, 0);

  /*- 参照画像ポートの取得 -*/

  std::vector<trasterfxport *=""> part_ports; /*- テクスチャ素材画像のポート -*/</trasterfxport>

  std::map<int, *="" trasterfxport=""></int,>

      ctrl_ports; /*- コントロール画像のポート番号／ポート -*/

  int portsCount = this->getInputPortCount();

  for (int i = 0; i < portsCount; ++i) {

    std::string tmpName = this->getInputPortName(i);

    QString portName    = QString::fromStdString(tmpName);

    if (portName.startsWith("T")) {

      TRasterFxPort *tmpPart = (TRasterFxPort *)this->getInputPort(tmpName);

      if (tmpPart->isConnected())

        part_ports.push_back((TRasterFxPort *)this->getInputPort(tmpName));

    } else {

      portName.replace(QString("Control"), QString(""));

      TRasterFxPort *tmpCtrl = (TRasterFxPort *)this->getInputPort(tmpName);

      if (tmpCtrl->isConnected())

        ctrl_ports[portName.toInt()] =

            (TRasterFxPort *)this->getInputPort(tmpName);

    }

  }

  /*- テクスチャ素材のバウンディングボックスを足し合わせる

   * ←この工程、いらないかも？-*/

  if (!part_ports.empty()) {

    TRectD outTileBBox(tile.m_pos, TDimensionD(tile.getRaster()->getLx(),

                                               tile.getRaster()->getLy()));

    TRectD bbox;

    for (unsigned int i = 0; i < (int)part_ports.size(); ++i) {

      const TFxTimeRegion &tr = (*part_ports[i])->getTimeRegion();

      lastframe.push_back(tr.getLastFrame() + 1);

      partLevel.push_back(new TLevel());

      partLevel[i]->setName((*part_ports[i])->getAlias(0, ri));

      // The particles offset must be calculated without considering the

      // affine's translational

      // component

      TRenderSettings riZero(ri);

      riZero.m_affine.a13 = riZero.m_affine.a23 = 0;

      // Calculate the bboxes union

      for (int t = 0; t <= tr.getLastFrame(); ++t) {

        TRectD inputBox;

        (*part_ports[i])->getBBox(t, inputBox, riZero);

        bbox += inputBox;

      }

    }

    if (bbox == TConsts::infiniteRectD) bbox *= outTileBBox;

    p_size.lx = (int)bbox.getLx() + 1;

    p_size.ly = (int)bbox.getLy() + 1;

    p_offset  = TPointD(0.5 * (bbox.x0 + bbox.x1), 0.5 * (bbox.y0 + bbox.y1));

  } else {

    partLevel.push_back(new TLevel());

    partLevel[0]->setName("particles");

    TDimension vecsize(10, 10);

    TOfflineGL *offlineGlContext = new TOfflineGL(vecsize);

    offlineGlContext->clear(TPixel32(0, 0, 0, 0));

    TStroke *stroke;

    stroke = makeEllipticStroke(

        0.07, TPointD((vecsize.lx - 1) * .5, (vecsize.ly - 1) * .5), 2.0, 2.0);

    TVectorImageP vectmp = new TVectorImage();

    TPalette *plt = new TPalette();

    vectmp->setPalette(plt);

    vectmp->addStroke(stroke);

    TVectorRenderData rd(AffI, TRect(vecsize), plt, 0, true, true);

    offlineGlContext->makeCurrent();

    offlineGlContext->draw(vectmp, rd);

    partLevel[0]->setFrame(

        0, TRasterImageP(offlineGlContext->getRaster()->clone()));

    p_size.lx = vecsize.lx + 1;

    p_size.ly = vecsize.ly + 1;

    lastframe.push_back(1);

    delete offlineGlContext;

  }

  Iwa_Particles_Engine myEngine(this, frame);

  // Retrieving the dpi multiplier from the accumulated affine (which is

  // isotropic). That is,

  // the affine will be applied *before* this effect - and we'll multiply

  // geometrical parameters

  // by this dpi mult. in order to compensate.

  float dpi = sqrt(fabs(ri.m_affine.det())) * 100;

  TTile tileIn;

  if (TRaster32P raster32 = tile.getRaster()) {

    myEngine.render_particles(&tile, part_ports, ri, p_size, p_offset,

                              ctrl_ports, partLevel, 1, (int)frame, 1, 0, 0, 0,

                              0, lastframe, getIdentifier());

  } else if (TRaster64P raster64 = tile.getRaster()) {

    myEngine.render_particles(&tile, part_ports, ri, p_size, p_offset,

                              ctrl_ports, partLevel, 1, (int)frame, 1, 0, 0, 0,

                              0, lastframe, getIdentifier());

  } else

    throw TException("ParticlesFx: unsupported Pixel Type");

}

//------------------------------------------------------------------

void Iwa_TiledParticlesFx::compatibilityTranslatePort(int major, int minor,

                                                      std::string &portName) {

  VersionNumber version(major, minor);

  if (version < VersionNumber(1, 16)) {

    if (portName == "Texture") portName = "Texture1";

  } else if (version < VersionNumber(1, 20)) {

    int idx;

    bool chop =

        ((idx = portName.find("Texture")) != std::string::npos && idx > 0) ||

        ((idx = portName.find("Control")) != std::string::npos && idx > 0);

    if (chop) portName.erase(portName.begin(), portName.begin() + idx);

  }

}

//==============================================================================

FX_PLUGIN_IDENTIFIER(Iwa_TiledParticlesFx, "iwa_TiledParticlesFx");