//#include "stdfx.h"

#include "tfxparam.h"

//#include "tpixelutils.h"

#include "trop.h"

#include "particles.h"

#include "particlesengine.h"

#include "hsvutil.h"

#include "timage_io.h"

#include "tofflinegl.h"

/*-----------------------------------------------------------------*/

void Particle::create_Animation(const particles_values &values, int first,

                                int last) {

  switch (values.animation_val) {

  case ParticlesFx::ANIM_CYCLE:

  case ParticlesFx::ANIM_S_CYCLE:

    frame     = first;

    animswing = 0; /*frame <0 perche' c'e' il preroll dialmeno un frame*/

    break;

  case ParticlesFx::ANIM_SR_CYCLE:

    frame     = (int)(first + (random.getFloat()) * (last - first));

    animswing = random.getFloat() > 0.5 ? 1 : 0;

    break;

  default:

    frame = (int)(first + (random.getFloat()) * (last - first));

    break;

  }

}

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

Particle::Particle(int g_lifetime, int seed, std::map<int, *="" ttile=""> porttiles,</int,>

                   const particles_values &values,

                   const particles_ranges &ranges,

                   std::vector<std::vector<tpointd>> &myregions, int howmany,</std::vector<tpointd>

                   int first, int level, int last,

                   std::vector<std::vector<int>> &myHistogram,</std::vector<int>

                   std::vector<float> &myWeight) {</float>

  double random_s_a_range, random_speed;

  std::map<int, double=""> imagereferences;</int,>

  random                  = TRandom(seed);

  double randomxreference = 0.0;

  double randomyreference = 0.0;

  create_Animation(values, 0, last);

  // lifetime=values.lifetime_val.first+ranges.lifetime_range*random->getFloat();

  this->level = level;

  /*- 初期座標値をつくる -*/

  /*-- Perspective DistributionがONかつ、SizeのControlImageが刺さっている場合

   * --*/

  if (myregions.size() && values.scale_ctrl_val != ParticlesFx::CTRL_NONE &&

      values.perspective_distribution_val) {

    float size = myWeight[255];

    /*- 候補の中のIndex -*/

    float partindex = size * random.getFloat();

    for (int i = 0; i < 256; i++) {

      if (myWeight[i] > partindex) {

        int m = 255 - i;

        /*- 明度からサイズ サイズから重みを計算 -*/

        float scale =

            values.scale_val.first + ranges.scale_range * (float)m / 255.0f;

        float weight = 1.0f / (scale * scale);

        if (i > 0) partindex -= myWeight[i - 1];

        int index = myHistogram[m][(int)(partindex / weight)];

        x         = myregions[0][index].x + (double)random.getFloat() - 0.5;

        y         = myregions[0][index].y + (double)random.getFloat() - 0.5;

        break;

      }

    }

  }

  /*- 領域がある かつ 発生領域のControlImageが刺さっている場合 -*/

  else if (myregions.size() &&

           values.source_ctrl_val != ParticlesFx::CTRL_NONE) {

    /*- howmany：発生Particlesのうち、何番目に発生させたものか。

            myregionが複数有る場合は、均等に割り振ることになる。 -*/

    int regionindex = howmany % myregions.size();

    /*- ウェイトを足しこむ -*/

    float size;

    if (values.source_gradation_val && !values.multi_source_val &&

        myregions.size() == 1)

      size = myWeight[254];

    else /*- ウェイトがすべて１の場合 -*/

      size = (float)myregions[regionindex].size();

    /*- 候補の中のIndex -*/

    int partindex = (int)(size * random.getFloat());

    /*- ウェイトを引いていき、負になったインデックスを選択 -*/

    if (values.source_gradation_val && !values.multi_source_val &&

        myregions.size() == 1) {

      for (int i = 0; i < 255; i++) {

        if (myWeight[i] > partindex) {

          int m = 255 - i;

          if (i > 0) partindex -= myWeight[i - 1];

          int index = myHistogram[m][(int)(partindex / m)];

          x = myregions[regionindex][index].x + (double)random.getFloat() - 0.5;

          y = myregions[regionindex][index].y + (double)random.getFloat() - 0.5;

          break;

        }

      }

    } else /*- ウェイトがすべて１の場合 -*/

    {

      x = myregions[regionindex][(int)partindex].x + (double)random.getFloat() -

          0.5;

      y = myregions[regionindex][(int)partindex].y + (double)random.getFloat() -

          0.5;

    }

  } else {

    x = values.x_pos_val + values.length_val * (random.getFloat() - 0.5);

    y = values.y_pos_val + values.height_val * (random.getFloat() - 0.5);

  }

  for (std::map<int, *="" ttile="">::iterator it = porttiles.begin();</int,>

       it != porttiles.end(); ++it) {

    if ((values.lifetime_ctrl_val == it->first ||

         values.speed_ctrl_val == it->first ||

         values.scale_ctrl_val == it->first || values.rot_ctrl_val == it->first

         /*-  Speed Angleを明るさでコントロールする場合 -*/

         || (values.speeda_ctrl_val == it->first &&

             !values.speeda_use_gradient_val)) &&

        it->second->getRaster()) {

      double tmpvalue;

      get_image_reference(it->second, values, tmpvalue, ParticlesFx::GRAY_REF);

      imagereferences[it->first] = tmpvalue;

    }

  }

  if (values.lifetime_ctrl_val) {

    double lifetimereference = 0.0;

    lifetimereference        = imagereferences[values.lifetime_ctrl_val];

    lifetime                 = g_lifetime * lifetimereference;

  } else

    lifetime = g_lifetime;

  // lifetime=g_lifetime;

  genlifetime = lifetime;

  if (values.speed_ctrl_val &&

      (porttiles.find(values.speed_ctrl_val) != porttiles.end())) {

    double speedreference = 0.0;

    speedreference        = imagereferences[values.speed_ctrl_val];

    random_speed =

        values.speed_val.first + (ranges.speed_range) * speedreference;

  } else

    random_speed =

        values.speed_val.first + (ranges.speed_range) * random.getFloat();

  /*- Speed Angleの制御。RangeモードとGradientモードがある -*/

  if (values.speeda_ctrl_val &&

      (porttiles.find(values.speeda_ctrl_val) != porttiles.end())) {

    if (values.speeda_use_gradient_val) {

      /*- 参照画像のGradientを得る関数を利用して角度を得る -*/

      float dir_x, dir_y;

      get_image_gravity(porttiles[values.speeda_ctrl_val], values, dir_x,

                        dir_y);

      if (dir_x == 0.0f && dir_y == 0.0f)

        random_s_a_range = values.speed_val.first;

      else

        random_s_a_range = atan2f(dir_x, -dir_y);

    } else {

      double speedareference = 0.0;

      speedareference        = imagereferences[values.speeda_ctrl_val];

      random_s_a_range =

          values.speeda_val.first + (ranges.speeda_range) * speedareference;

    }

  } else /*- Control Imageが無ければランダム -*/

    random_s_a_range =

        values.speeda_val.first + (ranges.speeda_range) * random.getFloat();

  trail =

      (int)(values.trail_val.first + (ranges.trail_range) * random.getFloat());

  vx   = random_speed * sin(random_s_a_range);

  vy   = -random_speed * cos(random_s_a_range);

  oldx = 0;

  oldy = 0;

  mass = values.mass_val.first + (ranges.mass_range) * random.getFloat();

  if (values.scale_ctrl_val &&

      (porttiles.find(values.scale_ctrl_val) != porttiles.end())) {

    double scalereference = 0.0;

    scalereference        = imagereferences[values.scale_ctrl_val];

    scale = values.scale_val.first + (ranges.scale_range) * scalereference;

  } else {

    /*-

     * ONのとき、かつ、ScaleにControlが無い場合、粒子サイズが小さいほど(遠くにあるので)多く分布するようになる。-*/

    if (values.perspective_distribution_val) {

      scale =

          (values.scale_val.first * values.scale_val.second) /

          (values.scale_val.second - (ranges.scale_range) * random.getFloat());

    } else

      scale = values.scale_val.first + (ranges.scale_range) * random.getFloat();

  }

  if (values.rot_ctrl_val &&

      (porttiles.find(values.rot_ctrl_val) != porttiles.end())) {

    double anglereference = 0.0;

    anglereference        = imagereferences[values.rot_ctrl_val];

    angle = -(values.rot_val.first) - (ranges.rot_range) * anglereference;

  } else

    angle = -(values.rot_val.first) - (ranges.rot_range) * random.getFloat();

  if (values.randomx_ctrl_val)

    randomxreference = imagereferences[values.randomx_ctrl_val];

  if (values.randomy_ctrl_val)

    randomyreference = imagereferences[values.randomy_ctrl_val];

  // if(check_Swing(values))

  create_Swing(values, ranges, randomxreference, randomyreference);

  create_Colors(values, ranges, porttiles);

  if (scale < 0.001) scale = 0;

}

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

int Particle::check_Swing(const particles_values &values) {

  return (values.randomx_val.first || values.randomx_val.second ||

          values.randomy_val.first || values.randomy_val.second ||

          values.rotsca_val.first || values.rotsca_val.second);

}

/*-----------------------------------------------------------------*/

void Particle::create_Swing(const particles_values &values,

                            const particles_ranges &ranges,

                            double randomxreference, double randomyreference) {

  changesignx =

      (int)(values.swing_val.first + random.getFloat() * (ranges.swing_range));

  changesigny =

      (int)(values.swing_val.first + random.getFloat() * (ranges.swing_range));

  changesigna = (int)(values.rotswing_val.first +

                      random.getFloat() * (ranges.rotswing_range));

  if (values.swingmode_val == ParticlesFx::SWING_SMOOTH) {

    if (values.randomx_ctrl_val)

      smswingx = abs((int)values.randomx_val.first) +

                 randomxreference * (ranges.randomx_range);

    else

      smswingx = abs((int)values.randomx_val.first) +

                 random.getFloat() * (ranges.randomx_range);

    if (values.randomy_ctrl_val)

      smswingy = abs((int)values.randomy_val.first) +

                 randomyreference * (ranges.randomy_range);

    else

      smswingy = abs((int)values.randomy_val.first) +

                 random.getFloat() * (ranges.randomy_range);

    smperiodx = changesignx;

    smperiody = changesigny;

  }

  if (values.rotswingmode_val == ParticlesFx::SWING_SMOOTH) {

    smswinga = abs((int)(values.rotsca_val.first +

                         random.getFloat() * (ranges.rotsca_range)));

    smperioda = changesigna;

  }

  signx = random.getInt(0, 1) > 0 ? 1 : -1;

  signy = random.getInt(0, 1) > 0 ? 1 : -1;

  signa = random.getInt(0, 1) > 0 ? 1 : -1;

}

/*-----------------------------------------------------------------*/

void Particle::create_Colors(const particles_values &values,

                             const particles_ranges &ranges,

                             std::map<int, *="" ttile=""> porttiles) {</int,>

  // TPixel32 color;

  if (values.genfadecol_val) {

    TPixel32 color;

    if (values.gencol_ctrl_val &&

        (porttiles.find(values.gencol_ctrl_val) != porttiles.end()))

      get_image_reference(porttiles[values.gencol_ctrl_val], values, color);

    else

      color        = values.gencol_val.getPremultipliedValue(random.getFloat());

    gencol.fadecol = values.genfadecol_val;

    if (values.gencol_spread_val) spread_color(color, values.gencol_spread_val);

    gencol.col = color;

  } else {

    gencol.col     = TPixel32::Transparent;

    gencol.fadecol = 0;

  }

  if (values.finfadecol_val) {

    TPixel32 color;

    if (values.fincol_ctrl_val &&

        (porttiles.find(values.fincol_ctrl_val) != porttiles.end()))

      get_image_reference(porttiles[values.fincol_ctrl_val], values, color);

    else

      color = values.fincol_val.getPremultipliedValue(random.getFloat());

    fincol.rangecol = (int)values.finrangecol_val;

    fincol.fadecol  = values.finfadecol_val;

    if (values.fincol_spread_val) spread_color(color, values.fincol_spread_val);

    fincol.col = color;

  } else {

    fincol.col      = TPixel32::Transparent;

    fincol.rangecol = 0;

    fincol.fadecol  = 0;

  }

  if (values.foutfadecol_val) {

    TPixel32 color;

    if (values.foutcol_ctrl_val &&

        (porttiles.find(values.foutcol_ctrl_val) != porttiles.end()))

      get_image_reference(porttiles[values.foutcol_ctrl_val], values, color);

    else

      color = values.foutcol_val.getPremultipliedValue(random.getFloat());

    ;

    foutcol.rangecol = (int)values.foutrangecol_val;

    foutcol.fadecol  = values.foutfadecol_val;

    if (values.foutcol_spread_val)

      spread_color(color, values.foutcol_spread_val);

    foutcol.col = color;

  } else {

    foutcol.col      = TPixel32::Transparent;

    foutcol.rangecol = 0;

    foutcol.fadecol  = 0;

  }

}

/*-----------------------------------------------------------------*/

/*-- modify_colors_and_opacityから呼ばれる。

        lifetime: 粒子の現在の年齢

        gencol/fincol/foutcolから色を決める --*/

void Particle::modify_colors(TPixel32 &color, double &intensity) {

  float percent = 0;

  if ((gencol.fadecol || fincol.fadecol) &&

      (genlifetime - lifetime) <= fincol.rangecol) {

    if (fincol.rangecol)

      percent = (genlifetime - lifetime) / (float)(fincol.rangecol);

    // color=gencol.col+percent*(fincol.col-gencol.col);

    color     = blend(gencol.col, fincol.col, percent);

    intensity = gencol.fadecol + percent * (fincol.fadecol - gencol.fadecol);

  } else if (foutcol.fadecol && lifetime <= foutcol.rangecol) {

    if (foutcol.rangecol)

      percent = 1 - (lifetime - 1) / (float)(foutcol.rangecol);

    if (fincol.rangecol && fincol.fadecol) {

      color     = blend(fincol.col, foutcol.col, percent);

      intensity = fincol.fadecol + percent * (foutcol.fadecol - fincol.fadecol);

    } else {

      color     = blend(gencol.col, foutcol.col, percent);

      intensity = gencol.fadecol + percent * (foutcol.fadecol - gencol.fadecol);

    }

  } else {

    if (fincol.fadecol && fincol.rangecol) {

      color     = fincol.col;

      intensity = fincol.fadecol;

    } else {

      color     = gencol.col;

      intensity = gencol.fadecol;

    }

  }

}

/*-----------------------------------------------------------------*/

/*- do_render から呼ばれる。各粒子の描画の直前に色を決める -*/

void Particle::modify_colors_and_opacity(const particles_values &values,

                                         float curr_opacity, int dist_frame,

                                         TRaster32P raster32) {

  double intensity = 0;

  TPixel32 col;

  if (gencol.fadecol || fincol.fadecol || foutcol.fadecol) {

    modify_colors(col, intensity);

    int j;

    raster32->lock();

    for (j = 0; j < raster32->getLy(); j++) {

      TPixel32 *pix    = raster32->pixels(j);

      TPixel32 *endPix = pix + raster32->getLx();

      while (pix < endPix) {

        double factor = pix->m / 255.0;

        pix->r        = (UCHAR)(pix->r + intensity * (factor * col.r - pix->r));

        pix->g        = (UCHAR)(pix->g + intensity * (factor * col.g - pix->g));

        pix->b        = (UCHAR)(pix->b + intensity * (factor * col.b - pix->b));

        pix->m        = (UCHAR)(pix->m + intensity * (factor * col.m - pix->m));

        ++pix;

      }

    }

    raster32->unlock();

    // pop_rgbfade(pars, 0, 0, raster, raster, 1);

  }

  if (curr_opacity != 1.0)

    TRop::rgbmScale(raster32, raster32, 1, 1, 1, curr_opacity);

}

/*-----------------------------------------------------------------*/

void Particle::update_Animation(const particles_values &values, int first,

                                int last, int keep) {

  switch (values.animation_val) {

  case ParticlesFx::ANIM_RANDOM:

    frame = (int)(first + random.getFloat() * (last - first));

    break;

  case ParticlesFx::ANIM_R_CYCLE:

  case ParticlesFx::ANIM_CYCLE:

    if (!keep || frame != keep - 1)

      frame = first + (frame + 1) % (last - first);

    break;

  case ParticlesFx::ANIM_S_CYCLE:

  case ParticlesFx::ANIM_SR_CYCLE:

    if (!keep || frame != keep - 1) {

      if (!animswing && frame < last - 1) {

        frame                            = (frame + 1);

        if (frame == last - 1) animswing = 1;

      } else

        frame = (frame - 1);

      if (frame <= first) {

        animswing = 0;

        frame     = first;

      }

    }

    break;

  }

}

/*-----------------------------------------------------------------*/

void Particle::update_Swing(const particles_values &values,

                            const particles_ranges &ranges,

                            struct pos_dummy &dummy, double randomxreference,

                            double randomyreference) {

  if (values.swingmode_val == ParticlesFx::SWING_SMOOTH) {

    if (smperiodx)

      dummy.x =

          smswingx * randomxreference * sin((M_PI * changesignx) / smperiodx);

    else

      dummy.x = 0;

    if (smperiody)

      dummy.y =

          smswingy * randomyreference * sin((M_PI * changesigny) / smperiody);

    else

      dummy.y = 0;

  } else {

    if (values.randomx_ctrl_val)

      dummy.x = (values.randomx_val.first +

                 (ranges.randomx_range) * randomxreference);

    else

      dummy.x = (values.randomx_val.first +

                 (ranges.randomx_range) * random.getFloat());

    if (values.randomy_ctrl_val)

      dummy.y = (values.randomy_val.first +

                 (ranges.randomy_range) * randomyreference);

    else

      dummy.y = (values.randomy_val.first +

                 (ranges.randomy_range) * random.getFloat());

  }

  if (values.rotswingmode_val == ParticlesFx::SWING_SMOOTH) {

    if (smperioda)

      dummy.a = smswinga * sin((M_PI * changesigna) / smperioda);

    else

      dummy.a = 0;

  } else

    dummy.a =

        (values.rotsca_val.first + (ranges.rotsca_range) * random.getFloat());

  if (!(genlifetime - lifetime)) {

    signx = dummy.x > 0 ? 1 : -1;

    signy = dummy.y > 0 ? 1 : -1;

    signa = dummy.a > 0 ? 1 : -1;

  } else {

    dummy.x = (fabs(dummy.x)) * signx;

    dummy.y = (fabs(dummy.y)) * signy;

    dummy.a = (fabs(dummy.a)) * signa;

  }

  changesignx--;

  changesigny--;

  changesigna--;

  if (changesignx <= 0) {

    //  if(random->getFloat()<0.5);

    signx *= -1;

    changesignx = abs((int)(values.swing_val.first) +

                      (int)(random.getFloat() * (ranges.swing_range)));

    if (values.swingmode_val == ParticlesFx::SWING_SMOOTH) {

      smperiodx = changesignx;

      if (values.randomx_ctrl_val)

        smswingx = values.randomx_val.first +

                   randomxreference * (ranges.randomx_range);

      else

        smswingx = values.randomx_val.first +

                   random.getFloat() * (ranges.randomx_range);

    }

  }

  if (changesigny <= 0) {

    //  if(random->getFloat()<0.5);

    signy *= -1;

    changesigny = abs((int)(values.swing_val.first) +

                      (int)(random.getFloat() * (ranges.swing_range)));

    if (values.swingmode_val == ParticlesFx::SWING_SMOOTH) {

      smperiody = changesigny;

      if (values.randomy_ctrl_val)

        smswingy = values.randomy_val.first +

                   randomyreference * (ranges.randomy_range);

      else

        smswingy = values.randomy_val.first +

                   random.getFloat() * (ranges.randomy_range);

    }

  }

  if (changesigna <= 0) {

    signa *= -1;

    changesigna = abs((int)(values.rotswing_val.first) +

                      (int)(random.getFloat() * (ranges.rotswing_range)));

    if (values.rotswingmode_val == ParticlesFx::SWING_SMOOTH) {

      smperioda = changesigna;

      smswinga =

          values.rotsca_val.first + random.getFloat() * (ranges.rotsca_range);

    }

  }

}

/*-----------------------------------------------------------------*/

void Particle::update_Scale(const particles_values &values,

                            const particles_ranges &ranges,

                            double scalereference, double scalestepreference) {

  double scalestep;

  if (values.scale_ctrl_val && values.scale_ctrl_all_val)

    scale = values.scale_val.first + (ranges.scale_range) * scalereference;

  else {

    if (values.scalestep_ctrl_val)

      scalestep = values.scalestep_val.first +

                  (ranges.scalestep_range) * scalestepreference;

    else

      scalestep = values.scalestep_val.first +

                  (ranges.scalestep_range) * random.getFloat();

    if (scalestep) scale += scalestep;

  }

  if (scale < 0.001) scale = 0;

}

/*-----------------------------------------------------------------*/

void Particle::get_image_reference(TTile *ctrl, const particles_values &values,

                                   double &imagereference, int type) {

  TRaster32P raster32 = ctrl->getRaster();

  TPointD tmp(x, y);

  tmp -= ctrl->m_pos;

  imagereference = 0.0;

  raster32->lock();

  switch (type) {

  case ParticlesFx::GRAY_REF:

    if (raster32 && tmp.x >= 0 && tmp.x < raster32->getLx() && tmp.y >= 0 &&

        troundp(tmp.y) < raster32->getLy()) {

      TPixel32 pix = raster32->pixels(troundp(tmp.y))[(int)tmp.x];

      imagereference =

          TPixelGR8::from(pix).value / (double)TPixelGR8::maxChannelValue;

    }

    break;

  case ParticlesFx::H_REF:

    if (raster32 && tmp.x >= 0 && tmp.x < raster32->getLx() && tmp.y >= 0 &&

        tround(tmp.y) < raster32->getLy()) {

      double aux = (double)TPixel32::maxChannelValue;

      double h, s, v;

      TPixel32 pix = raster32->pixels(troundp(tmp.y))[(int)tmp.x];

      OLDRGB2HSV(pix.r / aux, pix.g / aux, pix.b / aux, &h, &s, &v);

      imagereference = h / 360.0;

    }

    break;

  }

  raster32->unlock();

}

/*-----------------------------------------------------------------*/

void Particle::get_image_gravity(TTile *ctrl1, const particles_values &values,

                                 float &gx, float &gy) {

  TRaster32P raster32 = ctrl1->getRaster();

  TPointD tmp(x, y);

  tmp -= ctrl1->m_pos;

  int radius = 4;

  gx         = 0;

  gy         = 0;

//#define OLDSTUFF

#ifdef OLDSTUFF

  int i;

#endif

  raster32->lock();

#ifdef OLDSTUFF

  if (!values.gravity_radius_val) {

    radius = 4;

    if (raster32 && tmp.x >= radius && tmp.x < raster32->getLx() - radius &&

        tmp.y >= radius && tmp.y < raster32->getLy() - radius) {

      TPixel32 *pix = &(raster32->pixels(troundp(tmp.y))[(int)tmp.x]);

      double norm   = 1 / ((double)TPixelGR8::maxChannelValue);

      for (i = 1; i < radius; i++) {

        gx += TPixelGR8::from(*(pix + i)).value;

        gx -= TPixelGR8::from(*(pix - i)).value;

        gy += TPixelGR8::from(*(pix + raster32->getWrap() * i)).value;

        gy -= TPixelGR8::from(*(pix - raster32->getWrap() * i)).value;

      }

      gx = gx * norm;

      gy = gy * norm;

    }

  } else {

#endif

    radius = 2;

    if (raster32 && tmp.x >= radius && tmp.x < raster32->getLx() - radius &&

        tmp.y >= radius && tmp.y < raster32->getLy() - radius) {

      TPixel32 *pix = &(raster32->pixels(troundp(tmp.y))[(int)tmp.x]);

      gx += 2 * TPixelGR8::from(*(pix + 1)).value;

      gx += TPixelGR8::from(*(pix + 1 + raster32->getWrap() * 1)).value;

      gx += TPixelGR8::from(*(pix + 1 - raster32->getWrap() * 1)).value;

      gx -= 2 * TPixelGR8::from(*(pix - 1)).value;

      gx -= TPixelGR8::from(*(pix - 1 + raster32->getWrap() * 1)).value;

      gx -= TPixelGR8::from(*(pix - 1 - raster32->getWrap() * 1)).value;

      gy += 2 * TPixelGR8::from(*(pix + raster32->getWrap() * 1)).value;

      gy += TPixelGR8::from(*(pix + raster32->getWrap() * 1 + 1)).value;

      gy += TPixelGR8::from(*(pix + raster32->getWrap() * 1 - 1)).value;

      gy -= 2 * TPixelGR8::from(*(pix - raster32->getWrap() * 1)).value;

      gy -= TPixelGR8::from(*(pix - raster32->getWrap() * 1 + 1)).value;

      gy -= TPixelGR8::from(*(pix - raster32->getWrap() * 1 - 1)).value;

      double norm = sqrt(gx * gx + gy * gy);

      if (norm) {

        double inorm = 0.1 / norm;

        gx           = gx * inorm;

        gy           = gy * inorm;

      }

    }

#ifdef OLDSTUFF

  }

#endif

  raster32->unlock();

}

/*-----------------------------------------------------------------*/

void Particle::get_image_reference(TTile *ctrl1, const particles_values &values,

                                   TPixel32 &color) {

  TRaster32P raster32 = ctrl1->getRaster();

  TPointD tmp(x, y);

  tmp -= ctrl1->m_pos;

  if (raster32 && tmp.x >= 0 && tmp.x < raster32->getLx() && tmp.y >= 0 &&

      troundp(tmp.y) < raster32->getLy()) {

    color = raster32->pixels(troundp(tmp.y))[(int)tmp.x];

  }

  /*-- 参照画像のBBoxの外側では、粒子を透明にする --*/

  else

    color = TPixel32::Transparent;

}

/*-----------------------------------------------------------------*/

void Particle::spread_color(TPixel32 &color, double range) {

  int randcol = (int)((random.getFloat() - 0.5) * range);

  int r       = color.r + randcol;

  int g       = color.g + randcol;

  int b       = color.b + randcol;

  color.r     = (UCHAR)tcrop<tint32>(r, (TINT32)0, (TINT32)255);</tint32>

  color.g     = (UCHAR)tcrop<tint32>(g, (TINT32)0, (TINT32)255);</tint32>

  color.b     = (UCHAR)tcrop<tint32>(b, (TINT32)0, (TINT32)255);</tint32>

}

/*-----------------------------------------------------------------*/

void Particle::move(std::map<int, *="" ttile=""> porttiles,</int,>

                    const particles_values &values,

                    const particles_ranges &ranges, float windx, float windy,

                    float xgravity, float ygravity, float dpicorr,

                    int lastframe) {

  struct pos_dummy dummy;

  float frictx, fricty;

  // int time;

  std::map<int, double=""> imagereferences;</int,>

  dummy.x = dummy.y = dummy.a = 0.0;

  frictx = fricty = 0.0;

  double frictreference     = 1;

  double scalereference     = 0;

  double scalestepreference = 0;

  double randomxreference   = 1;

  double randomyreference   = 1;

  for (std::map<int, *="" ttile="">::iterator it = porttiles.begin();</int,>

       it != porttiles.end(); ++it) {

    if ((values.friction_ctrl_val == it->first ||

         values.scale_ctrl_val == it->first ||

         values.scalestep_ctrl_val == it->first ||

         values.randomx_ctrl_val == it->first ||

         values.randomy_ctrl_val == it->first) &&

        it->second->getRaster()) {

      double tmpvalue;

      get_image_reference(it->second, values, tmpvalue, ParticlesFx::GRAY_REF);

      imagereferences[it->first] = tmpvalue;

    }

  }

  if (values.randomx_ctrl_val)

    randomxreference = imagereferences[values.randomx_ctrl_val];

  if (values.randomy_ctrl_val)

    randomyreference = imagereferences[values.randomy_ctrl_val];

  if (check_Swing(values))

    update_Swing(values, ranges, dummy, randomxreference, randomyreference);

  if (values.friction_ctrl_val)

    frictreference = imagereferences[values.friction_ctrl_val];

  if (values.scale_ctrl_val)

    scalereference = imagereferences[values.scale_ctrl_val];

  if (values.scalestep_ctrl_val)

    scalestepreference = imagereferences[values.scalestep_ctrl_val];

  lifetime--;

  oldx = x;

  oldy = y;

  // time=genlifetime-lifetime-1;

  // if(time<0) time=0;

  if (values.gravity_ctrl_val &&

      (porttiles.find(values.gravity_ctrl_val) != porttiles.end())) {

    get_image_gravity(porttiles[values.gravity_ctrl_val], values, xgravity,

                      ygravity);

    xgravity *= values.gravity_val;

    ygravity *= values.gravity_val;

  }

  if (values.friction_val * frictreference) {

    if (vx) {

      frictx = vx * (1 + values.friction_val * frictreference) +

               (10 / vx) * values.friction_val * frictreference;

      if ((frictx / vx) < 0) frictx = 0;

      vx                            = frictx;

    }

    if (!frictx &&

        fabs(values.friction_val * frictreference * 10) > fabs(xgravity)) {

      xgravity = 0;

      dummy.x  = 0;

      dummy.a  = 0;

      windx    = 0;

    }

    if (vy) {

      fricty = vy * (1 + values.friction_val * frictreference) +

               (10 / vy) * values.friction_val * frictreference;

      if ((fricty / vy) < 0) fricty = 0;

      vy                            = fricty;

    }

    if (!fricty &&

        fabs(values.friction_val * frictreference * 10) > fabs(ygravity)) {

      ygravity = 0;

      dummy.y  = 0;

      dummy.a  = 0;

      windy    = 0;

    }

  }

  vx += xgravity * mass;

  vy += ygravity * mass;

  if (values.speedscale_val) {

    float scalecorr = scale / dpicorr;

    x += (vx + windx + dummy.x) * scalecorr;

    y += (vy + windy + dummy.y) * scalecorr;

  } else {

    x += vx + windx + dummy.x;

    y += vy + windy + dummy.y;

  }

  angle -= values.rotspeed_val + dummy.a;

  if (!(lifetime % values.step_val) || (frame < 0)) {

    update_Animation(values, 0, lastframe, 0);

  }

  update_Scale(values, ranges, scalereference, scalestepreference);

}

/*-----------------------------------------------------------------*/

double Particle::set_Opacity(std::map<int, *="" ttile=""> porttiles,</int,>

                             const particles_values &values,

                             float opacity_range, double dist_frame) {

  double opacity = 1.0, trailcorr;

  if (values.fadein_val && (genlifetime - lifetime) < values.fadein_val)

    opacity *= (genlifetime - lifetime - 1) / (values.fadein_val);

  if (values.fadeout_val && lifetime < values.fadeout_val)

    opacity *= (lifetime) / values.fadeout_val;

  if (trail) {

    trailcorr =

        values.trailopacity_val.first +

        (values.trailopacity_val.second - values.trailopacity_val.first) *

            (1 - (dist_frame) / trail);

    opacity *= trailcorr;

  }

  if (values.opacity_ctrl_val &&

      (porttiles.find(values.opacity_ctrl_val) != porttiles.end())) {

    double opacityreference = 0.0;

    get_image_reference(porttiles[values.opacity_ctrl_val], values,

                        opacityreference, ParticlesFx::GRAY_REF);

    opacity =

        values.opacity_val.first + (opacity_range)*opacityreference * opacity;

  } else

    opacity = values.opacity_val.first + opacity_range * opacity;

  return opacity;

}