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//------------------------------------------------------------------
// Iwa_Particles_Engine for Marnie
// based on Particles_Engine by Digital Video
//------------------------------------------------------------------
#include "trop.h"
#include "tfxparam.h"
#include "tofflinegl.h"
#include "tstopwatch.h"
#include "tsystem.h"
#include "timagecache.h"
#include "tconvert.h"
#include "tflash.h"

#include "trasterimage.h"

#include "timage_io.h"

#include "tcolorfunctions.h"
#include "toonz/tcolumnfx.h"

#include "iwa_particlesmanager.h"

#include "iwa_particlesengine.h"

#include "trenderer.h"

#include <QMutex>
#include <QMutexLocker>

namespace
{
QMutex mutex;

void printTime(TStopWatch &sw, std::string name)
{
	std::ostrstream ss;
	ss << name << " : ";
	sw.print(ss);
	ss << '\n' << '\0';
	TSystem::outputDebug(ss.str());
}
};
//----

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

Iwa_Particles_Engine::Iwa_Particles_Engine(Iwa_TiledParticlesFx *parent, double frame)
	: m_parent(parent), m_frame(frame)
{
}

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

void Iwa_Particles_Engine::fill_value_struct(struct particles_values &myvalues, double frame)
{
	myvalues.source_ctrl_val = m_parent->source_ctrl_val->getValue();
	myvalues.bright_thres_val = m_parent->bright_thres_val->getValue();
	myvalues.x_pos_val = m_parent->center_val->getValue(frame).x;
	myvalues.y_pos_val = m_parent->center_val->getValue(frame).y;
	myvalues.length_val = m_parent->length_val->getValue(frame);
	myvalues.height_val = m_parent->height_val->getValue(frame);
	myvalues.maxnum_val = m_parent->maxnum_val->getValue(frame);
	myvalues.lifetime_val = m_parent->lifetime_val->getValue(frame);
	myvalues.lifetime_ctrl_val = m_parent->lifetime_ctrl_val->getValue();
	myvalues.column_lifetime_val = m_parent->column_lifetime_val->getValue();
	myvalues.startpos_val = m_parent->startpos_val->getValue();
	myvalues.randseed_val = m_parent->randseed_val->getValue();
	myvalues.gravity_val = m_parent->gravity_val->getValue(frame);
	myvalues.g_angle_val = m_parent->g_angle_val->getValue(frame);
	myvalues.gravity_ctrl_val = m_parent->gravity_ctrl_val->getValue();
	myvalues.friction_val = m_parent->friction_val->getValue(frame);
	myvalues.friction_ctrl_val = m_parent->friction_ctrl_val->getValue();
	myvalues.windint_val = m_parent->windint_val->getValue(frame);
	myvalues.windangle_val = m_parent->windangle_val->getValue(frame);
	myvalues.swingmode_val = m_parent->swingmode_val->getValue();
	myvalues.randomx_val = m_parent->randomx_val->getValue(frame);
	myvalues.randomy_val = m_parent->randomy_val->getValue(frame);
	myvalues.randomx_ctrl_val = m_parent->randomx_ctrl_val->getValue();
	myvalues.randomy_ctrl_val = m_parent->randomy_ctrl_val->getValue();
	myvalues.swing_val = m_parent->swing_val->getValue(frame);
	myvalues.speed_val = m_parent->speed_val->getValue(frame);
	myvalues.speed_ctrl_val = m_parent->speed_ctrl_val->getValue();
	myvalues.speeda_val = m_parent->speeda_val->getValue(frame);
	myvalues.speeda_ctrl_val = m_parent->speeda_ctrl_val->getValue();
	myvalues.speeda_use_gradient_val = m_parent->speeda_use_gradient_val->getValue();
	myvalues.speedscale_val = m_parent->speedscale_val->getValue();
	myvalues.toplayer_val = m_parent->toplayer_val->getValue();
	myvalues.mass_val = m_parent->mass_val->getValue(frame);
	myvalues.scale_val = m_parent->scale_val->getValue(frame);
	myvalues.scale_ctrl_val = m_parent->scale_ctrl_val->getValue();
	myvalues.scale_ctrl_all_val = m_parent->scale_ctrl_all_val->getValue();
	myvalues.rot_val = m_parent->rot_val->getValue(frame);
	myvalues.rot_ctrl_val = m_parent->rot_ctrl_val->getValue();
	myvalues.trail_val = m_parent->trail_val->getValue(frame);
	myvalues.trailstep_val = m_parent->trailstep_val->getValue(frame);
	myvalues.rotswingmode_val = m_parent->rotswingmode_val->getValue();
	myvalues.rotspeed_val = m_parent->rotspeed_val->getValue(frame);
	myvalues.rotsca_val = m_parent->rotsca_val->getValue(frame);
	myvalues.rotswing_val = m_parent->rotswing_val->getValue(frame);
	myvalues.pathaim_val = m_parent->pathaim_val->getValue();
	myvalues.opacity_val = m_parent->opacity_val->getValue(frame);
	myvalues.opacity_ctrl_val = m_parent->opacity_ctrl_val->getValue();
	myvalues.trailopacity_val = m_parent->trailopacity_val->getValue(frame);
	myvalues.scalestep_val = m_parent->scalestep_val->getValue(frame);
	myvalues.scalestep_ctrl_val = m_parent->scalestep_ctrl_val->getValue();
	myvalues.fadein_val = m_parent->fadein_val->getValue(frame);
	myvalues.fadeout_val = m_parent->fadeout_val->getValue(frame);
	myvalues.animation_val = m_parent->animation_val->getValue();
	myvalues.step_val = m_parent->step_val->getValue();

	myvalues.gencol_val = m_parent->gencol_val->getValue(frame);
	myvalues.gencol_ctrl_val = m_parent->gencol_ctrl_val->getValue();
	myvalues.gencol_spread_val = m_parent->gencol_spread_val->getValue(frame);
	myvalues.genfadecol_val = m_parent->genfadecol_val->getValue(frame);
	myvalues.fincol_val = m_parent->fincol_val->getValue(frame);
	myvalues.fincol_ctrl_val = m_parent->fincol_ctrl_val->getValue();
	myvalues.fincol_spread_val = m_parent->fincol_spread_val->getValue(frame);
	myvalues.finrangecol_val = m_parent->finrangecol_val->getValue(frame);
	myvalues.finfadecol_val = m_parent->finfadecol_val->getValue(frame);
	myvalues.foutcol_val = m_parent->foutcol_val->getValue(frame);
	myvalues.foutcol_ctrl_val = m_parent->foutcol_ctrl_val->getValue();
	myvalues.foutcol_spread_val = m_parent->foutcol_spread_val->getValue(frame);
	myvalues.foutrangecol_val = m_parent->foutrangecol_val->getValue(frame);
	myvalues.foutfadecol_val = m_parent->foutfadecol_val->getValue(frame);

	myvalues.source_gradation_val = m_parent->source_gradation_val->getValue();
	myvalues.pick_color_for_every_frame_val = m_parent->pick_color_for_every_frame_val->getValue();
	/*- 計算モード (背景+粒子/粒子/背景/照明された粒子) -*/
	myvalues.iw_rendermode_val = m_parent->iw_rendermode_val->getValue();
	/*- 粒子に貼られる絵の素材 -*/
	myvalues.base_ctrl_val = m_parent->base_ctrl_val->getValue();
	/*- カールノイズ的な動きを与える -*/
	myvalues.curl_val = m_parent->curl_val->getValue(frame);
	myvalues.curl_ctrl_1_val = m_parent->curl_ctrl_1_val->getValue();
	myvalues.curl_ctrl_2_val = m_parent->curl_ctrl_2_val->getValue();
	/*- 粒子敷き詰め。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 -*/
	myvalues.iw_triangleSize = m_parent->iw_triangleSize->getValue(frame);
	/*- ひらひら回転 -*/
	myvalues.flap_ctrl_val = m_parent->flap_ctrl_val->getValue();
	myvalues.iw_flap_velocity_val = m_parent->iw_flap_velocity_val->getValue(frame);
	myvalues.iw_flap_dir_sensitivity_val = m_parent->iw_flap_dir_sensitivity_val->getValue(frame);
	/*- ひらひら粒子に照明を当てる normalize_values()内で Degree → Radian 化する -*/
	myvalues.iw_light_theta_val = m_parent->iw_light_theta_val->getValue(frame);
	myvalues.iw_light_phi_val = m_parent->iw_light_phi_val->getValue(frame);
	/*- 読み込みマージン -*/
	myvalues.margin_val = m_parent->margin_val->getValue(frame);
	/*- 重力を徐々に与えるためのフレーム長 -*/
	myvalues.iw_gravityBufferFrame_val = m_parent->iw_gravityBufferFrame_val->getValue();
}

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

void Iwa_Particles_Engine::fill_range_struct(struct particles_values &values,
											 struct particles_ranges &ranges)
{
	ranges.swing_range = values.swing_val.second - values.swing_val.first;
	ranges.rotswing_range = values.rotswing_val.second - values.rotswing_val.first;
	ranges.randomx_range = values.randomx_val.second - values.randomx_val.first;
	ranges.randomy_range = values.randomy_val.second - values.randomy_val.first;
	ranges.rotsca_range = values.rotsca_val.second - values.rotsca_val.first;
	ranges.rot_range = values.rot_val.second - values.rot_val.first;
	ranges.speed_range = values.speed_val.second - values.speed_val.first;
	ranges.speeda_range = values.speeda_val.second - values.speeda_val.first;
	ranges.mass_range = values.mass_val.second - values.mass_val.first;
	ranges.scale_range = values.scale_val.second - values.scale_val.first;
	ranges.lifetime_range = values.lifetime_val.second - values.lifetime_val.first;
	ranges.scalestep_range = values.scalestep_val.second - values.scalestep_val.first;
	ranges.trail_range = (int)(values.trail_val.second - values.trail_val.first);
}

bool Iwa_Particles_Engine::port_is_used(int i, struct particles_values &values)
{

	return values.fincol_ctrl_val == i ||
		   values.foutcol_ctrl_val == i ||
		   values.friction_ctrl_val == i ||
		   values.gencol_ctrl_val == i ||
		   values.gravity_ctrl_val == i ||
		   values.opacity_ctrl_val == i ||
		   values.rot_ctrl_val == i ||
		   values.scale_ctrl_val == i ||
		   values.scalestep_ctrl_val == i ||
		   values.source_ctrl_val == i ||
		   values.speed_ctrl_val == i ||
		   values.speeda_ctrl_val == i ||
		   values.lifetime_ctrl_val == i ||
		   values.randomx_ctrl_val == i ||
		   values.randomy_ctrl_val == i ||
		   values.base_ctrl_val == i ||
		   values.curl_ctrl_1_val == i ||
		   values.curl_ctrl_2_val == i ||
		   values.flap_ctrl_val == i;
}
/*-----------------------------------------------------------------*/

//-------------
/*-  Startフレームからカレントフレームまで順番に回す関数 生成もここで -*/
void Iwa_Particles_Engine::roll_particles(TTile *tile,							/*-結果を格納するTile-*/
										  std::map<int, TTile *> porttiles,		/*-コントロール画像のポート番号/タイル-*/
										  const TRenderSettings &ri,			/*-現在のフレームの計算用RenderSettings-*/
										  std::list<Iwa_Particle> &myParticles, /*-パーティクルのリスト-*/
										  struct particles_values &values,		/*-現在のフレームでのパラメータ-*/
										  float cx,								/*- 0 で入ってくる-*/
										  float cy,								/*- 0 で入ってくる-*/
										  int frame,							/*-現在のフレーム値(forで回す値)-*/
										  int curr_frame,						/*-カレントフレーム-*/
										  int level_n,							/*-テクスチャ素材画像の数-*/
										  bool *random_level,					/*-ループの最初にfalseで入ってくる-*/
										  float dpi,							/*- 1 で入ってくる-*/
											std::vector<int> lastframe,				/*-テクスチャ素材のそれぞれのカラム長-*/
										  int &totalparticles,
										  QList<ParticleOrigin> &particleOrigins,
										  int genPartNum /*- 実際に生成したい粒子数 -*/
										  )
{
	particles_ranges ranges;
	int i;
	float xgravity, ygravity, windx, windy;

	/*- 風の強さ/重力の強さをX,Y成分に分ける -*/
	windx = values.windint_val * sin(values.windangle_val);
	windy = values.windint_val * cos(values.windangle_val);
	xgravity = values.gravity_val * sin(values.g_angle_val);
	ygravity = values.gravity_val * cos(values.g_angle_val);

	fill_range_struct(values, ranges);

	std::vector<TPointD> myregions;
	QList<QList<int>> myHistogram;

	std::map<int, TTile *>::iterator it = porttiles.find(values.source_ctrl_val);

	/*- ソース画像にコントロールが付いていた場合 -*/
	if (values.source_ctrl_val && (it != porttiles.end()) && it->second->getRaster())
		/*- 入力画像のアルファ値に比例して発生濃度を変える -*/
		fill_single_region(myregions,
						   it->second,
						   values.bright_thres_val,
						   values.source_gradation_val,
						   myHistogram,
						   particleOrigins);

	/*- 粒子が出きったらもう出さない -*/
	int actualBirthParticles = tmin(genPartNum, particleOrigins.size());
	/*- 出発する粒子のインデックス -*/
	QList<int> leavingPartIndex;
	if (myregions.size() && values.source_ctrl_val != Iwa_TiledParticlesFx::CTRL_NONE) {
		int partLeft = actualBirthParticles;
		while (partLeft > 0) {
			int PrePartLeft = partLeft;

			int potential_sum = 0;
			QList<int> myWeight;
			/*- 各濃度のポテンシャルの大きさmyWeightと、合計ポテンシャルを計算 -*/
			for (int m = 0; m < 256; m++) {
				int pot = myHistogram[m].size() * m;
				myWeight.append(pot);
				potential_sum += pot;
			}
			/*- 各濃度について(濃い方から) -*/
			for (int m = 255; m > 0; m--) {
				/*- 割り当てを計算(切り上げ) -*/
				int wariate = tceil((float)(myWeight[m]) * (float)(partLeft) / (float)potential_sum);
				/*- 実際にこのポテンシャルから出発する粒子数 -*/
				int leaveNum = std::min(myHistogram.at(m).size(), wariate);
				/*- 割り当てられた粒子を頭から登録 -*/
				for (int lp = 0; lp < leaveNum; lp++) {
					/*- Histogramから減らしながら追加 -*/
					leavingPartIndex.append(myHistogram[m].takeFirst());
					/*- 残数を減らす -*/
					partLeft--;
					if (partLeft == 0)
						break;
				}
				if (partLeft == 0)
					break;
			}

			/*- ひとつも出発出来なければbreak -*/
			if (partLeft == PrePartLeft)
				break;
		}
		/*- 実際に飛び出せた粒子数 -*/
		actualBirthParticles = leavingPartIndex.size();
	} else /*- 何も刺さっていなければ、ランダムに発生させる -*/
	{
		for (int i = 0; i < actualBirthParticles; i++)
			leavingPartIndex.append(i);
	}

	/*- 動かす粒子も生まれる粒子も無い -*/
	if (myParticles.empty() && actualBirthParticles == 0) {
		std::cout << "no particles generated nor alive. returning function" << std::endl;
		return;
	}

	/*- 背景だけを描画するモードのときは、particlesOriginを更新するだけでOK -*/
	if (values.iw_rendermode_val == Iwa_TiledParticlesFx::REND_BG) {
		/*- インデックスを小さい順にならべる -*/
		qSort(leavingPartIndex.begin(), leavingPartIndex.end());
		/*- インデックス大きい方から消していく -*/
		for (int lp = leavingPartIndex.size() - 1; lp >= 0; lp--)
			particleOrigins.removeAt(leavingPartIndex.at(lp));
		return;
	}

	/*- 新規粒子の生成 -*/
	/*- 新規粒子しかない場合 -*/
	if (myParticles.empty() && actualBirthParticles) // Initial creation
	{
		/*- 新たに作るパーティクルの数だけループ -*/
		for (i = 0; i < actualBirthParticles; i++) {
			/*- 出発する粒子 -*/
			ParticleOrigin po = particleOrigins.at(leavingPartIndex.at(i));

			/*-  どのTextureレベルを使うか -*/
			int seed = (int)((std::numeric_limits<int>::max)() * values.random_val->getFloat());

			/*-  Lifetimeを得る -*/
			int lifetime = 0;
			if (values.column_lifetime_val)
				lifetime = lastframe[po.level];
			else {
				lifetime = (int)(values.lifetime_val.first +
								 ranges.lifetime_range * values.random_val->getFloat());
			}
			/*- この粒子が、レンダリングするフレームでも生きているか判断し、生きているなら生成 -*/
			if (lifetime > curr_frame - frame) {
				myParticles.push_back(
					Iwa_Particle(lifetime,
								 seed,
								 porttiles,
								 values,
								 ranges,
								 totalparticles,
								 0,
								 (int)po.level,
								 lastframe[po.level],
								 po.pos[0], po.pos[1],	/*- 座標を指定して発生 -*/
								 po.isUpward,			  /*- orientation を追加 -*/
								 (int)po.initSourceFrame) /*- 素材内の初期フレーム位置 -*/
					);
			}
			totalparticles++;
		}
	}
	/*- 既存粒子を動かし、かつ新規粒子を作る -*/
	else {
		std::list<Iwa_Particle>::iterator it;
		for (it = myParticles.begin(); it != myParticles.end();) {
			std::list<Iwa_Particle>::iterator current = it;
			++it;

			Iwa_Particle &part = (*current);
			if (part.scale <= 0.0)
				continue;
			if (part.lifetime <= 0)			// Note: This is in line with the above "lifetime>curr_frame-frame"
				myParticles.erase(current); // insertion counterpart
			else {
				part.move(porttiles,
						  values,
						  ranges,
						  windx, windy,
						  xgravity, ygravity,
						  dpi,
						  lastframe[part.level]);
			}
		}

		switch (values.toplayer_val) {

		case Iwa_TiledParticlesFx::TOP_YOUNGER:
			for (i = 0; i < actualBirthParticles; i++) {
				/*- 出発する粒子 -*/
				ParticleOrigin po = particleOrigins.at(leavingPartIndex.at(i));

				int seed = (int)((std::numeric_limits<int>::max)() * values.random_val->getFloat());

				int lifetime = 0;
				if (values.column_lifetime_val)
					lifetime = lastframe[po.level];
				else {
					lifetime = (int)(values.lifetime_val.first + ranges.lifetime_range * values.random_val->getFloat());
				}
				if (lifetime > curr_frame - frame) {
					myParticles.push_front(
						Iwa_Particle(lifetime,
									 seed,
									 porttiles,
									 values,
									 ranges,
									 totalparticles,
									 0,
									 (int)po.level,
									 lastframe[po.level],
									 po.pos[0], po.pos[1],
									 po.isUpward,
									 (int)po.initSourceFrame) /*- 素材内の初期フレーム位置 -*/
						);
				}
				totalparticles++;
			}

			CASE Iwa_TiledParticlesFx::TOP_RANDOM : for (i = 0; i < actualBirthParticles; i++)
			{
				double tmp = values.random_val->getFloat() * myParticles.size();
				std::list<Iwa_Particle>::iterator it = myParticles.begin();
				for (int j = 0; j < tmp; j++, it++)
					;
				{
					/*- 出発する粒子 -*/
					ParticleOrigin po = particleOrigins.at(leavingPartIndex.at(i));

					int seed = (int)((std::numeric_limits<int>::max)() * values.random_val->getFloat());
					int lifetime = 0;

					if (values.column_lifetime_val)
						lifetime = lastframe[po.level];
					else {
						lifetime = (int)(values.lifetime_val.first + ranges.lifetime_range * values.random_val->getFloat());
					}
					if (lifetime > curr_frame - frame) {
						myParticles.insert(it,
										   Iwa_Particle(lifetime,
														seed,
														porttiles,
														values,
														ranges,
														totalparticles,
														0,
														(int)po.level,
														lastframe[po.level],
														po.pos[0], po.pos[1],
														po.isUpward,
														(int)po.initSourceFrame) /*- 素材内の初期フレーム位置 -*/
										   );
					}
					totalparticles++;
				}
			}

		DEFAULT:
			for (i = 0; i < actualBirthParticles; i++) {
				/*- 出発する粒子 -*/
				ParticleOrigin po = particleOrigins.at(leavingPartIndex.at(i));

				int seed = (int)((std::numeric_limits<int>::max)() * values.random_val->getFloat());
				int lifetime = 0;

				if (values.column_lifetime_val)
					lifetime = lastframe[po.level];
				else
					lifetime = (int)(values.lifetime_val.first + ranges.lifetime_range * values.random_val->getFloat());
				if (lifetime > curr_frame - frame) {
					myParticles.push_back(
						Iwa_Particle(lifetime,
									 seed,
									 porttiles,
									 values,
									 ranges,
									 totalparticles,
									 0,
									 (int)po.level,
									 lastframe[po.level],
									 po.pos[0], po.pos[1],
									 po.isUpward,
									 (int)po.initSourceFrame) /*-  素材内の初期フレーム位置  -*/
						);
				}
				totalparticles++;
			}
		}
	}

	/*- すでに発生したparticleOriginを消去する
		インデックスを小さい順にならべる -*/
	qSort(leavingPartIndex.begin(), leavingPartIndex.end());
	/*- インデックス大きい方から消していく -*/
	for (int lp = leavingPartIndex.size() - 1; lp >= 0; lp--)
		particleOrigins.removeAt(leavingPartIndex.at(lp));
}

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

void Iwa_Particles_Engine::normalize_values(struct particles_values &values,
											const TRenderSettings &ri)
{
	double dpicorr = 1;
	TPointD pos(values.x_pos_val, values.y_pos_val);

	(values.x_pos_val) = pos.x;
	(values.y_pos_val) = pos.y;
	(values.length_val) = (values.length_val) * dpicorr;
	(values.height_val) = (values.height_val) * dpicorr;
	(values.gravity_val) = (values.gravity_val) * dpicorr * 0.1;
	(values.windint_val) = (values.windint_val) * dpicorr;
	(values.speed_val.first) = (values.speed_val.first) * dpicorr;
	(values.speed_val.second) = (values.speed_val.second) * dpicorr;
	(values.randomx_val.first) = (values.randomx_val.first) * dpicorr;
	(values.randomx_val.second) = (values.randomx_val.second) * dpicorr;
	(values.randomy_val.first) = (values.randomy_val.first) * dpicorr;
	(values.randomy_val.second) = (values.randomy_val.second) * dpicorr;
	(values.scale_val.first) = (values.scale_val.first) * 0.01;
	(values.scale_val.second) = (values.scale_val.second) * 0.01;
	(values.scalestep_val.first) = (values.scalestep_val.first) * 0.01;
	(values.scalestep_val.second) = (values.scalestep_val.second) * 0.01;
	(values.opacity_val.first) = (values.opacity_val.first) * 0.01;
	(values.opacity_val.second) = (values.opacity_val.second) * 0.01;
	(values.trailopacity_val.first) = (values.trailopacity_val.first) * 0.01;
	(values.trailopacity_val.second) = (values.trailopacity_val.second) * 0.01;
	(values.mblur_val) = (values.mblur_val) * 0.01;
	(values.friction_val) = -(values.friction_val) * 0.01;
	(values.windangle_val) = (values.windangle_val) * (TConsts::pi / 180);
	(values.g_angle_val) = (values.g_angle_val + 180) * (TConsts::pi / 180);
	(values.speeda_val.first) = (values.speeda_val.first) * (TConsts::pi / 180);
	(values.speeda_val.second) = (values.speeda_val.second) * (TConsts::pi / 180);
	if (values.step_val < 1)
		values.step_val = 1;
	values.genfadecol_val = (values.genfadecol_val) * 0.01;
	values.finfadecol_val = (values.finfadecol_val) * 0.01;
	values.foutfadecol_val = (values.foutfadecol_val) * 0.01;
	(values.curl_val) = (values.curl_val) * dpicorr * 0.1;
	/*- ひらひら粒子に照明を当てる normalize_values()内で Degree → Radian 化する -*/
	(values.iw_light_theta_val) = (values.iw_light_theta_val) * (TConsts::pi / 180);
	(values.iw_light_phi_val) = (values.iw_light_phi_val) * (TConsts::pi / 180);
	/*- 読み込みマージン -*/
	(values.margin_val) = (values.margin_val) * dpicorr;
}

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

void Iwa_Particles_Engine::render_particles(TFlash *flash,							 /*-  0 が入ってくる -*/
											TTile *tile,							 /*- 結果を格納するTile -*/
											std::vector<TRasterFxPort *> part_ports, /*- テクスチャ素材画像のポート -*/
											const TRenderSettings &ri,
											TDimension &p_size,						   /*- テクスチャ素材のバウンディングボックスの足し合わさったもの -*/
											TPointD &p_offset,						   /*- バウンディングボックス左下の座標 -*/
											std::map<int, TRasterFxPort *> ctrl_ports, /*- コントロール画像のポート番号/ポート -*/
											std::vector<TLevelP> partLevel,				   /*- テクスチャ素材のリスト -*/
											float dpi,								   /*- 1 が入ってくる -*/
											int curr_frame,
											int shrink,				/*- 1 が入ってくる -*/
											double startx,			/*- 0 が入ってくる -*/
											double starty,			/*- 0 が入ってくる -*/
											double endx,			/*- 0 が入ってくる -*/
											double endy,			/*- 0 が入ってくる -*/
											std::vector<int> last_frame, /*- テクスチャ素材のそれぞれのカラム長 -*/
											unsigned long fxId)
{
	/*- 各種パーティクルのパラメータ -*/
	struct particles_values values;
	memset(&values, 0, sizeof(values));
	/*- 現在のフレームでの各パラメータを得る -*/
	fill_value_struct(values, m_frame);

	int frame,
		intpart = 0;

	int level_n = part_ports.size();
	/*- 開始フレーム -*/
	int startframe = (int)values.startpos_val;

	float dpicorr = dpi * 0.01f,
		  fractpart = 0;

	/*- 不透明度の範囲(透明~不透明を 0~1 に正規化) -*/
	float opacity_range = (values.opacity_val.second - values.opacity_val.first) * 0.01f;

	bool random_level = false;

	bool isPrecomputingEnabled = false;
	{
		TRenderer renderer(TRenderer::instance());
		isPrecomputingEnabled = (renderer && renderer.isPrecomputingEnabled()) ? true : false;
	}

	/*- シュリンクしている場合 -*/
	float dpicorr_shrinked;
	if (values.unit_val == Iwa_TiledParticlesFx::UNIT_SMALL_INCH)
		dpicorr_shrinked = dpicorr / shrink;
	else
		dpicorr_shrinked = dpi / shrink;

	std::map<std::pair<int, int>, float> partScales;

	/*- 現在のフレームをステップ値にする -*/
	curr_frame = curr_frame / values.step_val;

	Iwa_ParticlesManager *pc = Iwa_ParticlesManager::instance();

	bool isFirstFrame = !(pc->isCached(fxId));

	// Retrieve the last rolled frame
	Iwa_ParticlesManager::FrameData *particlesData = pc->data(fxId);

	std::list<Iwa_Particle> myParticles;
	TRandom myRandom = m_parent->randseed_val->getValue();
	values.random_val = &myRandom;

	int totalparticles = 0;

	/*- 規則正しく並んだ(まだ出発していない)粒子情報 -*/
	QList<ParticleOrigin> particleOrigins;
	/*- 出力画像のバウンディングボックス -*/
	TRectD outTileBBox(tile->m_pos, TDimensionD(tile->getRaster()->getLx(), tile->getRaster()->getLy()));

	/*- 現在取っておいてあるデータのフレーム番号 -*/
	int pcFrame = particlesData->m_frame;

	/*- マージンをピクセル単位に換算する -*/
	double pixelMargin;
	{
		TPointD vect(values.margin_val, 0.0);
		TAffine aff(ri.m_affine);
		aff.a13 = aff.a23 = 0;
		vect = aff * vect;
		pixelMargin = sqrt(vect.x * vect.x + vect.y * vect.y);
	}
	/*- 外側にマージンを取って粒子を生成 -*/
	TRectD resourceTileBBox = outTileBBox.enlarge(pixelMargin);

	/*- 初期粒子量。これが変わっていなければ、BGはそのまま描く -*/
	int initialOriginsSize;
	if (pcFrame > curr_frame) {
		/*- データを初期化 -*/
		// Clear stored particlesData
		particlesData->clear();
		pcFrame = particlesData->m_frame;

		/*- まだ出発していない粒子情報を初期化 -*/
		initParticleOrigins(resourceTileBBox,
							particleOrigins,
							curr_frame,
							ri.m_affine,
							values,
							level_n,
							last_frame,
							pixelMargin);
		initialOriginsSize = particleOrigins.size();

	}

	else if (pcFrame >= startframe - 1) {
		myParticles = particlesData->m_particles;
		myRandom = particlesData->m_random;
		totalparticles = particlesData->m_totalParticles;
		particleOrigins = particlesData->m_particleOrigins;
		initialOriginsSize = -1;
	} else {
		/*- まだ出発していない粒子情報を初期化 -*/
		initParticleOrigins(resourceTileBBox,
							particleOrigins,
							curr_frame,
							ri.m_affine,
							values,
							level_n,
							last_frame,
							pixelMargin);
		initialOriginsSize = particleOrigins.size();
	}

	/*- スタートからカレントフレームまでループ -*/
	for (frame = startframe - 1; frame <= curr_frame; ++frame) {
		/*-  参照画像はキャッシュされてるフレームでは必要ないのでは? -*/
		if (frame <= pcFrame)
			continue;

		int dist_frame = curr_frame - frame;
		/*- ループ内の現在のフレームでのパラメータを取得。スタートが負ならフレーム=0のときの値を格納。 -*/
		fill_value_struct(values, frame < 0 ? 0 : frame * values.step_val);
		/*- パラメータの正規化 -*/
		normalize_values(values, ri);
		/*- maxnum_valは"birth_rate"のパラメータ -*/
		intpart = (int)values.maxnum_val;
		/*- birth_rateが小数だったとき、各フレームの小数部分を足しこんだ結果の整数部分をintpartに渡す -*/
		fractpart = fractpart + values.maxnum_val - intpart;
		if ((int)fractpart) {
			values.maxnum_val += (int)fractpart;
			fractpart = fractpart - (int)fractpart;
		}

		std::map<int, TTile *> porttiles;

		// Perform the roll
		/*- RenderSettingsを複製して現在のフレームの計算用にする -*/
		TRenderSettings riAux(ri);

		/*- 64bitにする -*/
		riAux.m_bpp = 64;
		//riAux.m_bpp = 32;

		int r_frame; // Useful in case of negative roll frames
		if (frame < 0)
			r_frame = 0;
		else
			r_frame = frame;

		/*- コントロールに刺さっている各ポートについて -*/
		for (std::map<int, TRasterFxPort *>::iterator it = ctrl_ports.begin(); it != ctrl_ports.end(); ++it) {
			TTile *tmp;
			/*- ポートが接続されていて、Fx内で実際に使用されていたら -*/
			if ((it->second)->isConnected() && port_is_used(it->first, values)) {
				TRectD bbox = resourceTileBBox;

				/*- 素材が存在する場合、portTilesにコントロール画像タイルを格納 -*/
				if (!bbox.isEmpty()) {
					if (frame <= pcFrame) {
						// This frame will not actually be rolled. However, it was dryComputed - so, declare the same here.
						(*it->second)->dryCompute(bbox, r_frame, riAux);
					} else {
						tmp = new TTile;

						if (isPrecomputingEnabled) {
							(*it->second)->allocateAndCompute(*tmp, bbox.getP00(), convert(bbox).getSize(), 0, r_frame, riAux);
						} else {
							std::string alias = "CTRL: " + (*(it->second))->getAlias(r_frame, riAux);
							TRasterImageP rimg = TImageCache::instance()->get(alias, false);

							if (rimg) {
								tmp->m_pos = bbox.getP00();
								tmp->setRaster(rimg->getRaster());
							} else {
								(*it->second)->allocateAndCompute(*tmp, bbox.getP00(), convert(bbox).getSize(), 0, r_frame, riAux);
							}
						}

						porttiles[it->first] = tmp;
					}
				}
			}
		}

		TTile baseImgTile;
		if (values.base_ctrl_val &&
			ctrl_ports.at(values.base_ctrl_val)->isConnected() &&
			port_is_used(values.base_ctrl_val, values) &&
			values.iw_rendermode_val != Iwa_TiledParticlesFx::REND_ILLUMINATED) /*- 照明モードなら、BG素材は要らない -*/
		{
			std::string alias = "BG_CTRL: " + (*ctrl_ports.at(values.base_ctrl_val))->getAlias(r_frame, ri);
			TRasterImageP rimg = TImageCache::instance()->get(alias, false);
			if (rimg) {
				baseImgTile.m_pos = tile->m_pos;
				baseImgTile.setRaster(rimg->getRaster());
			} else {
				/*- 出力と同じbpcにする -*/
				(*ctrl_ports.at(values.base_ctrl_val))->allocateAndCompute(baseImgTile, tile->m_pos, convert(resourceTileBBox).getSize(), tile->getRaster(), r_frame, ri);
				addRenderCache(alias, TRasterImageP(baseImgTile.getRaster()));
			}
			baseImgTile.getRaster()->lock();
		}

		// Invoke the actual rolling procedure
		roll_particles(tile,
					   porttiles,
					   riAux,
					   myParticles,
					   values,
					   0, 0,
					   frame,
					   curr_frame,
					   level_n,
					   &random_level,
					   1,
					   last_frame,
					   totalparticles,
					   particleOrigins,
					   intpart /*- 実際に生成したい粒子数 -*/
					   );

		// Store the rolled data in the particles manager
		if (!particlesData->m_calculated || particlesData->m_frame + particlesData->m_maxTrail < frame) {
			particlesData->m_frame = frame;
			particlesData->m_particles = myParticles;
			particlesData->m_random = myRandom;
			particlesData->buildMaxTrail();
			particlesData->m_calculated = true;
			particlesData->m_totalParticles = totalparticles;
			particlesData->m_particleOrigins = particleOrigins;
		}

		// Render the particles if the distance from current frame is a trail multiple
		/*- さしあたり、trailは無視する -*/
		if (dist_frame == 0) {
			//--------
			// Store the maximum particle size before the do_render cycle
			/*- 表示されている粒子のうち、各素材について最大サイズのものを記録しておく
				条件にあわせ、飛んでいる粒子と飛び立つ前の粒子の両方で記録を行う -*/
			/*-	①飛んでいる粒子 -*/
			if (values.iw_rendermode_val != Iwa_TiledParticlesFx::REND_BG) {
				std::list<Iwa_Particle>::iterator pt;
				for (pt = myParticles.begin(); pt != myParticles.end(); ++pt) {
					Iwa_Particle &part = *pt;
					int ndx = part.frame % last_frame[part.level];
					std::pair<int, int> ndxPair(part.level, ndx);

					std::map<std::pair<int, int>, float>::iterator it =
						partScales.find(ndxPair);

					if (it != partScales.end())
						it->second = tmax(part.scale, it->second);
					else
						partScales[ndxPair] = part.scale;
				}
			}
			/*- ②飛び立つ前の粒子がひとつでもあった場合、最大値でおきかえる -*/
			if (values.iw_rendermode_val == Iwa_TiledParticlesFx::REND_ALL ||
				values.iw_rendermode_val == Iwa_TiledParticlesFx::REND_BG) {
				for (int lev = 0; lev < level_n; lev++) {
					std::pair<int, int> ndxPair(lev, 0);
					std::map<std::pair<int, int>, float>::iterator it =
						partScales.find(ndxPair);
					if (it != partScales.end())
						it->second = tmax((float)values.scale_val.second, it->second);
					else
						partScales[ndxPair] = values.scale_val.second;
				}
			}
			//--------

			/*- ここで、出発した粒子の分、穴を開けた背景を描く -*/
			/*- スイッチがONなら -*/
			if (values.iw_rendermode_val == Iwa_TiledParticlesFx::REND_ALL ||
				values.iw_rendermode_val == Iwa_TiledParticlesFx::REND_BG) {
				/*- まだ粒子が飛び立っていない場合、そのまま背景を描く -*/
				if (initialOriginsSize == particleOrigins.size()) {
					TRop::resample(tile->getRaster(), baseImgTile.getRaster(), TAffine());
				} else {
					renderBackground(tile,
									 particleOrigins,
									 part_ports,
									 ri,
									 partLevel,
									 partScales,
									 &baseImgTile);
				}
			}

			/*- 粒子の描画。もし、背景モードなら描かない -*/
			if (values.iw_rendermode_val != Iwa_TiledParticlesFx::REND_BG) {

				if (values.toplayer_val == Iwa_TiledParticlesFx::TOP_SMALLER ||
					values.toplayer_val == Iwa_TiledParticlesFx::TOP_BIGGER)
					myParticles.sort(Iwa_ComparebySize());

				if (values.toplayer_val == Iwa_TiledParticlesFx::TOP_SMALLER) {
					int unit = 1 + (int)myParticles.size() / 100;
					int count = 0;
					std::list<Iwa_Particle>::iterator pt;
					for (pt = myParticles.begin(); pt != myParticles.end(); ++pt) {
						count++;

						Iwa_Particle &part = *pt;
						if (dist_frame <= part.trail &&
							part.scale > 0.0f &&
							part.lifetime > 0 &&
							part.lifetime <= part.genlifetime) // This last... shouldn't always be?
						{
							do_render(flash,
									  &part,
									  tile,
									  part_ports,
									  porttiles,
									  ri,
									  p_size,
									  p_offset,
									  last_frame[part.level],
									  partLevel,
									  values,
									  opacity_range,
									  dist_frame,
									  partScales,
									  &baseImgTile);
						}
					}

				} else {
					int unit = 1 + (int)myParticles.size() / 100;
					int count = 0;
					std::list<Iwa_Particle>::reverse_iterator pt;
					for (pt = myParticles.rbegin(); pt != myParticles.rend(); ++pt) {
						count++;

						Iwa_Particle &part = *pt;
						if (dist_frame <= part.trail &&
							part.scale > 0.0f &&
							part.lifetime > 0 &&
							part.lifetime <= part.genlifetime) // Same here..?
						{
							do_render(flash,
									  &part,
									  tile,
									  part_ports,
									  porttiles,
									  ri,
									  p_size,
									  p_offset,
									  last_frame[part.level],
									  partLevel,
									  values,
									  opacity_range,
									  dist_frame,
									  partScales,
									  &baseImgTile);
						}
					}
				}
			}
			/*- 粒子の描画 ここまで -*/
		}

		std::map<int, TTile *>::iterator it;
		for (it = porttiles.begin(); it != porttiles.end(); ++it)
			delete it->second;

		if (values.base_ctrl_val &&
			ctrl_ports.at(values.base_ctrl_val)->isConnected() &&
			port_is_used(values.base_ctrl_val, values) &&
			values.iw_rendermode_val != Iwa_TiledParticlesFx::REND_ILLUMINATED)
			baseImgTile.getRaster()->unlock();
	}
}

/*-----------------------------------------------------------------
 render_particles から来る
 粒子の数だけ繰り返し
-----------------------------------------------------------------*/

void Iwa_Particles_Engine::do_render(TFlash *flash,
									 Iwa_Particle *part,
									 TTile *tile,
									 std::vector<TRasterFxPort *> part_ports,
									 std::map<int, TTile *> porttiles,
									 const TRenderSettings &ri,
									 TDimension &p_size,
									 TPointD &p_offset,
									 int lastframe,
									 std::vector<TLevelP> partLevel,
									 struct particles_values &values,
									 float opacity_range,
									 int dist_frame,
									 std::map<std::pair<int, int>, float> &partScales,
									 TTile *baseImgTile)
{
	/*- カメラに対してタテになっている粒子を描かずに飛ばす -*/
	if (abs(cosf(part->flap_phi * 3.14159f / 180.0f)) < 0.03f) {
		return;
	}
	// Retrieve the particle frame - that is, the *column frame* from which we are picking
	// the particle to be rendered.
	int ndx = part->frame % lastframe;

	TRasterP tileRas(tile->getRaster());

	std::string levelid;
	double aim_angle = 0;
	if (values.pathaim_val) {
		float arctan = atan2f(part->vy, part->vx);
		aim_angle = (180 / TConsts::pi) * arctan;
	}

	/*- 粒子の回転、スケールをアフィン行列に入れる -*/
	// Calculate the rotational and scale components we have to apply on the particle
	TRotation rotM(part->angle + aim_angle);
	TScale scaleM(part->scale);

	/*- ひらひら -*/
	TAffine testAff;
	float illuminant;
	{
		float theta = part->flap_theta * 3.14159f / 180.0f;
		float phi = part->flap_phi * 3.14159f / 180.0f;
		float cosT = cosf(theta);
		float sinT = sinf(theta);
		float k = 1.0f - cosf(phi);

		testAff.a11 = 1.0f - k * cosT * cosT;
		testAff.a21 = -k * cosT * sinT;
		testAff.a12 = -k * cosT * sinT;
		testAff.a22 = 1.0f - k * sinT * sinT;

		/*- ここで、照明モードのとき、その明るさを計算する -*/
		if (values.iw_rendermode_val == Iwa_TiledParticlesFx::REND_ILLUMINATED) {
			float liTheta = values.iw_light_theta_val;
			float liPhi = values.iw_light_phi_val;
			float3 normVec = {sinf(theta) * sinf(phi), cosf(theta) * sinf(phi), cosf(phi)};
			float3 lightVec = {sinf(liTheta) * sinf(liPhi), cosf(liTheta) * sinf(liPhi), cosf(liPhi)};
			/*- 法線ベクトルと光源ベクトルの内積の絶対値 -*/
			illuminant = abs(normVec.x * lightVec.x + normVec.y * lightVec.y + normVec.z * lightVec.z);
		}
	}

	TAffine M(rotM * scaleM * testAff);

	// Particles deal with dpi affines on their own
	TAffine scaleAff(m_parent->handledAffine(ri, m_frame));
	float partScale = scaleAff.a11 * partScales[std::pair<int, int>(part->level, ndx)];
	TDimensionD partResolution(0, 0);
	TRenderSettings riNew(ri);

	// Retrieve the bounding box in the standard reference
	TRectD bbox(-5.0, -5.0, 5.0, 5.0), standardRefBBox;
	if (part->level < (int)part_ports.size() && //Not the default levelless cases
		part_ports[part->level]->isConnected()) {
		TRenderSettings riIdentity(ri);
		riIdentity.m_affine = TAffine();

		(*part_ports[part->level])->getBBox(ndx, bbox, riIdentity);

		// A particle's bbox MUST be finite. Gradients and such which have an infinite bbox
		// are just NOT rendered.

		// NOTE: No fx returns half-planes or similar (ie if any coordinate is either
		// (std::numeric_limits<double>::max)() or its opposite, then the rect IS THE infiniteRectD)
		if (bbox == TConsts::infiniteRectD)
			return;
	}

	// Now, these are the particle rendering specifications
	bbox = bbox.enlarge(3);
	standardRefBBox = bbox;
	riNew.m_affine = TScale(partScale);
	bbox = riNew.m_affine * bbox;
	/*- 縮小済みのParticleのサイズ -*/
	partResolution = TDimensionD(tceil(bbox.getLx()), tceil(bbox.getLy()));

	if (flash) {
		if (!partLevel[part->level]->frame(ndx)) {
			if (part_ports[0]->isConnected()) {
				TTile auxTile;
				/*- テクスチャは出力タイルと同じbpcにする -*/
				(*part_ports[0])->allocateAndCompute(auxTile, p_offset, p_size, tile->getRaster(), ndx, ri);
				partLevel[part->level]->setFrame(ndx, TRasterImageP(auxTile.getRaster()));
			}
		}

		flash->pushMatrix();

		const TAffine aff;

		flash->multMatrix(scaleM * aff.place(0, 0, part->x, part->y));

		{
			TColorFader cf(TPixel32::Red, .5);
			flash->draw(partLevel[part->level]->frame(ndx), &cf);
		}

		flash->popMatrix();
	} else {
		TRasterP ras;

		std::string alias;
		TRasterImageP rimg;
		if (rimg = partLevel[part->level]->frame(ndx)) {
			ras = rimg->getRaster();
		} else {
			alias = "PART: " + (*part_ports[part->level])->getAlias(ndx, riNew);
			if (rimg = TImageCache::instance()->get(alias, false)) {
				ras = rimg->getRaster();

				// Check that the raster resolution is sufficient for our purposes
				if (ras->getLx() < partResolution.lx ||
					ras->getLy() < partResolution.ly)
					ras = 0;
				else
					partResolution = TDimensionD(ras->getLx(), ras->getLy());
			}
		}

		// We are interested in making the relation between scale and (integer) resolution
		// bijective - since we shall cache by using resolution as a partial identification parameter.
		// Therefore, we find the current bbox Lx and take a unique scale out of it.
		partScale = partResolution.lx / standardRefBBox.getLx();
		riNew.m_affine = TScale(partScale);
		bbox = riNew.m_affine * standardRefBBox;

		// If no image was retrieved from the cache (or it was not scaled enough), calculate it
		if (!ras) {
			TTile auxTile;
			(*part_ports[part->level])->allocateAndCompute(auxTile, bbox.getP00(), TDimension(partResolution.lx, partResolution.ly), tile->getRaster(), ndx, riNew);
			ras = auxTile.getRaster();

			// Finally, cache the particle
			addRenderCache(alias, TRasterImageP(ras));
		}

		if (!ras)
			return; //At this point, it should never happen anyway...

		// Deal with particle colors/opacity
		TRasterP rfinalpart;
		//TRaster32P rfinalpart;
		double curr_opacity = part->set_Opacity(porttiles, values, opacity_range, dist_frame);
		if (curr_opacity != 1.0 ||
			part->gencol.fadecol ||
			part->fincol.fadecol ||
			part->foutcol.fadecol) {
			if (values.pick_color_for_every_frame_val &&
				values.gencol_ctrl_val && (porttiles.find(values.gencol_ctrl_val) != porttiles.end()))
				part->get_image_reference(porttiles[values.gencol_ctrl_val], values, part->gencol.col);

			rfinalpart = ras->clone();
			part->modify_colors_and_opacity(values, curr_opacity, dist_frame, rfinalpart);
		} else
			rfinalpart = ras;

		TRasterP rfinalpart2;
		/*- 照明モードのとき、その明るさを色に格納 -*/
		if (values.iw_rendermode_val == Iwa_TiledParticlesFx::REND_ILLUMINATED) {
			rfinalpart2 = rfinalpart->clone();
			part->set_illuminated_colors(illuminant, rfinalpart2);
		} else if (baseImgTile->getRaster() && !baseImgTile->getRaster()->isEmpty()) {
			rfinalpart2 = rfinalpart->clone();
			/*- サイズが小さい場合は、単に色を拾う -*/
			if (partResolution.lx <= 4.0 && partResolution.ly <= 4.0)
				part->get_base_image_color(baseImgTile, values, rfinalpart2, bbox, ri);
			else
				part->get_base_image_texture(baseImgTile, values, rfinalpart2, bbox, ri);
		} else
			rfinalpart2 = rfinalpart;

		// Now, let's build the particle transform before it is overed on the output tile

		// First, complete the transform by adding the rotational and scale components from
		// Particles parameters
		M = ri.m_affine * M * TScale(1.0 / partScale);

		// Then, retrieve the particle position in current reference.
		TPointD pos(part->x, part->y);
		pos = ri.m_affine * pos;

		// Finally, add the translational component to the particle
		// NOTE: p_offset is added to account for the particle relative position inside its level's bbox
		M = TTranslation(pos - tile->m_pos) * M * TTranslation(bbox.getP00());

		if (TRaster32P myras32 = tile->getRaster())
			TRop::over(tileRas, rfinalpart2, M);
		else if (TRaster64P myras64 = tile->getRaster())
			TRop::over(tileRas, rfinalpart2, M);
		else {
			throw TException("ParticlesFx: unsupported Pixel Type");
		}
	}
}

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

void Iwa_Particles_Engine::fill_array(TTile *ctrl1,			/*- ソース画像のTile -*/
									  int &regioncount,		/*- 領域数を返す -*/
									  std::vector<int> &myarray, /*- インデックスを返すと思われる。サイズはソースTileの縦横 -*/
									  std::vector<int> &lista,
									  std::vector<int> &listb,
									  int threshold)
{

	int pr = 0;
	int i, j;
	int lx, ly;
	lx = ctrl1->getRaster()->getLx();
	ly = ctrl1->getRaster()->getLy();

	/*prima riga*/
	TRaster32P raster32 = ctrl1->getRaster();
	raster32->lock();
	TPixel32 *pix = raster32->pixels(0);
	for (i = 0; i < lx; i++) {
		if (pix->m > threshold) {
			pr++;
			if (!i) {
				(regioncount)++;
				myarray[i] = (regioncount);
			} else {
				if (myarray[i - 1])
					myarray[i] = myarray[i - 1];
			}
		}
		*pix++;
	}

	for (j = 1; j < ly; j++) {
		for (i = 0, pix = raster32->pixels(j); i < lx; i++, pix++) {
			/*TMSG_INFO("j=%d i=%d\n", j, i);*/
			if (pix->m > threshold) {
				std::vector<int> mask(4);
				pr++;
				/* l,ul,u,ur;*/
				if (i) {
					mask[0] = myarray[i - 1 + lx * j];
					mask[1] = myarray[i - 1 + lx * (j - 1)];
				}
				if (i != lx - 1)
					mask[3] = myarray[i + 1 + lx * (j - 1)];
				mask[2] = myarray[i + lx * (j - 1)];
				if (!mask[0] && !mask[1] && !mask[2] && !mask[3]) {
					(regioncount)++;
					myarray[i + lx * j] = (regioncount);
				} else {
					int mc, firsttime = 1;
					for (mc = 0; mc < 4; mc++) {
						if (mask[mc]) {
							if (firsttime) {
								myarray[i + lx * j] = mask[mc];
								firsttime = 0;
							} else {
								if (myarray[i + lx * j] != mask[mc]) {
									lista.push_back(myarray[i + lx * j]);
									listb.push_back(mask[mc]);

									/*TMSG_INFO("j=%d i=%d mc=%d, mask=%d\n", j, i, mc, mask[mc]);*/
								}
							}
						}
					}
				}
			}
		}
	}
	raster32->unlock();
}

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

void Iwa_Particles_Engine::normalize_array(std::vector<std::vector<TPointD>> &myregions, TPointD pos, int lx, int ly, int
																												regioncounter,
																												std::vector<int> &myarray, std::vector<int> &lista, std::vector<int> &listb, std::vector<int> &final)
{
	int i, j, k, l;

	std::vector<int> tmp;
	int maxregioncounter = 0;
	int listsize = (int)lista.size();
	//TMSG_INFO("regioncounter %d, eqcount=%d\n", regioncounter, eqcount);
	for (k = 1; k <= regioncounter; k++)
		final[k] = k;

	for (l = 0; l < listsize; l++) {
		j = lista[l];
		/*TMSG_INFO("j vale %d\n", j);*/
		while (final[j] != j)
			j = final[j];
		k = listb[l];
		/*TMSG_INFO("k vale %d\n", k);*/
		while (final[k] != k)
			k = final[k];
		if (j != k)
			final[j] = k;
	}
	//TMSG_INFO("esco dal for\n");
	for (j = 1; j <= regioncounter; j++)
		while (final[j] != final[final[j]])
			final[j] = final[final[j]];

	/*conto quante cavolo di regioni sono*/

	tmp.push_back(final[1]);
	maxregioncounter = 1;
	for (i = 2; i <= regioncounter; i++) {
		int diff = 1;
		for (j = 0; j < maxregioncounter; j++) {
			if (tmp[j] == final[i]) {
				diff = 0;
				break;
			}
		}
		if (diff) {
			tmp.push_back(final[i]);
			maxregioncounter++;
		}
	}

	myregions.resize(maxregioncounter);
	for (j = 0; j < ly; j++) {
		for (i = 0; i < lx; i++) {
			int tmpindex;
			if (myarray[i + lx * j]) {
				tmpindex = final[myarray[i + lx * j]];
				/*TMSG_INFO("tmpindex=%d\n", tmpindex);*/
				for (k = 0; k < maxregioncounter; k++) {
					if (tmp[k] == tmpindex)
						break;
				}
				/*TMSG_INFO("k=%d\n", k);*/
				TPointD tmppoint;
				tmppoint.x = i;
				tmppoint.y = j;
				tmppoint += pos;
				myregions[k].push_back(tmppoint);
			}
		}
	}
}

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

/*- multiがONのときのSource画像(ctrl1)の領域を分析 -*/
void Iwa_Particles_Engine::fill_subregions(int cont_index, std::vector<std::vector<TPointD>> &myregions, TTile *ctrl1, int thres)
{

	int regioncounter = 0;

	int lx = ctrl1->getRaster()->getLx();
	int ly = ctrl1->getRaster()->getLy();

	std::vector<int> myarray(lx * ly);
	std::vector<int> lista;
	std::vector<int> listb;

	fill_array(ctrl1, regioncounter, myarray, lista, listb, thres);

	if (regioncounter) {
		std::vector<int> final(regioncounter + 1);
		normalize_array(myregions, ctrl1->m_pos, lx, ly, regioncounter, myarray, lista, listb, final);
	}
}

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

/*- 入力画像のアルファ値に比例して発生濃度を変える 各Pointにウェイトを持たせる -*/
void Iwa_Particles_Engine::fill_single_region(std::vector<TPointD> &myregions,
											  TTile *ctrl1, int threshold,
											  bool do_source_gradation,
											  QList<QList<int>> &myHistogram,
											  QList<ParticleOrigin> &particleOrigins)
{
	assert(ctrl1->getRaster());

	TRaster32P raster32(ctrl1->getRaster()->getSize());
	TRop::convert(raster32, ctrl1->getRaster());
	assert(raster32); // per ora gestisco solo i Raster32

	myregions.clear();

	raster32->lock();

	/*- 初期化 -*/
	for (int i = 0; i < 256; i++) {
		QList<int> tmpVec;
		myHistogram.push_back(tmpVec);
	}

	if (!do_source_gradation) /*- 1階調の場合 -*/
	{
		for (int po = 0; po < particleOrigins.size(); po++) {
			int index_x = (int)particleOrigins.at(po).pixPos[0];
			int index_y = (int)particleOrigins.at(po).pixPos[1];
			if (index_x < 0)
				index_x = 0;
			else if (index_x >= raster32->getLx())
				index_x = raster32->getLx() - 1;
			if (index_y < 0) {
				index_y = 0;
				continue;
			} else if (index_y >= raster32->getLy()) {
				index_y = raster32->getLy() - 1;
				continue;
			}
			TPixel32 *pix = raster32->pixels(index_y);
			pix += index_x;
			if (pix->m > threshold) {
				myHistogram[1].push_back(po);
				myregions.push_back(TPointD(particleOrigins.at(po).pos[0], particleOrigins.at(po).pos[1]));
			}
		}
	}

	else {
		TRandom rand = TRandom(1);

		for (int po = 0; po < particleOrigins.size(); po++) {
			int index_x = (int)particleOrigins.at(po).pixPos[0];
			int index_y = (int)particleOrigins.at(po).pixPos[1];
			if (index_x < 0)
				index_x = 0;
			else if (index_x >= raster32->getLx())
				index_x = raster32->getLx() - 1;
			if (index_y < 0)
				index_y = 0;
			else if (index_y >= raster32->getLy())
				index_y = raster32->getLy() - 1;

			TPixel32 *pix = raster32->pixels(index_y);
			pix += index_x;
			if (pix->m > 0) {
				/*-  Histogramの登録 -*/
				myHistogram[(int)pix->m].push_back(po);
				myregions.push_back(TPointD(particleOrigins.at(po).pos[0], particleOrigins.at(po).pos[1]));
			}
		}
	}

	raster32->unlock();
}

/*----------------------------------------------------------------
 まだ出発していない粒子情報を初期化
----------------------------------------------------------------*/

bool potentialLessThan(const ParticleOrigin &po1, const ParticleOrigin &po2)
{
	return po1.potential < po2.potential;
}

void Iwa_Particles_Engine::initParticleOrigins(TRectD &resourceTileBBox,
											   QList<ParticleOrigin> &particleOrigins,
											   const double frame, const TAffine affine,
											   struct particles_values &values,
											   int level_n,
												 std::vector<int> &lastframe, /*- 素材カラムのフレーム長 -*/
											   double pixelMargin)
{
	/*- 敷き詰め三角形の一辺の長さをピクセル単位に換算する -*/
	TPointD vect(values.iw_triangleSize, 0.0);
	TAffine aff(affine);
	aff.a13 = aff.a23 = 0;
	vect = aff * vect;
	double triPixSize = sqrt(vect.x * vect.x + vect.y * vect.y);

	double pix2Inch = values.iw_triangleSize / triPixSize;

	/*- 横方向の移動距離 -*/
	double d_hori = values.iw_triangleSize * 0.5;
	/*- 縦方向の移動距離 -*/
	double d_vert = values.iw_triangleSize * 0.8660254;
	/*- 正三角形を横に上下交互に並べたときの、中心位置のオフセット -*/
	double vOffset = values.iw_triangleSize * 0.14433758;

	/*- ピクセル位置の方も格納する -*/
	double d_hori_pix = triPixSize * 0.5;
	double d_vert_pix = triPixSize * 0.8660254;
	double vOffset_pix = triPixSize * 0.14433758;

	TRectD inchBBox(resourceTileBBox.x0 * pix2Inch,
					resourceTileBBox.y0 * pix2Inch,
					resourceTileBBox.x1 * pix2Inch,
					resourceTileBBox.y1 * pix2Inch);
	/*- インチ位置のスタート -*/
	double curr_y = inchBBox.y0;
	/*- 行の1列目のタテのオフセット値 -*/
	double startOff = -vOffset;

	/*- ピクセル位置のスタート -*/
	double curr_y_pix = 0.0;
	double startOff_pix = -vOffset_pix;

	/*- メモリの見積もり -*/
	int gridSize;
	{
		int ySize = 0;
		while (curr_y <= inchBBox.y1 + d_vert * 0.5) {
			curr_y += d_vert;
			ySize++;
		}
		int xSize = 0;
		double curr_x = inchBBox.x0;
		while (curr_x <= inchBBox.x1 + d_hori * 0.5) {
			curr_x += d_hori;
			xSize++;
		}
		gridSize = xSize * ySize;
	}
	curr_y = inchBBox.y0;
	particleOrigins.reserve(gridSize);

	/*- タテでループ -*/
	while (curr_y <= inchBBox.y1 + d_vert * 0.5) /* ←d_vert * 0.5 は最後の一行を敷き詰めるための追加分 -*/
	{
		double curr_x = inchBBox.x0;
		double off = startOff;
		/*- 三角形が上下どっちを向いているかのフラグ -*/
		bool isUp = (off < 0);

		/*- ピクセル位置のスタート -*/
		double curr_x_pix = 0.0;
		double off_pix = startOff_pix;

		/*- ヨコでループ -*/
		while (curr_x <= inchBBox.x1 + d_hori * 0.5) {
			unsigned char level = (unsigned char)(values.random_val->getFloat() * level_n);
			particleOrigins.append(ParticleOrigin(curr_x, curr_y + off,
												  values.random_val->getFloat(),
												  isUp,
												  level,
												  getInitSourceFrame(values, 0, lastframe[level]),
												  (short int)tround(curr_x_pix),
												  (short int)tround(curr_y_pix + off_pix)));

			off = -off;
			curr_x += d_hori;
			isUp = !isUp;

			off_pix = -off_pix;
			curr_x_pix += d_hori_pix;
		}

		startOff = -startOff;
		curr_y += d_vert;

		startOff_pix = -startOff_pix;
		curr_y_pix += d_vert_pix;
	}

	/*- 粒子をランダム値の大きい順に並べる -*/
	qSort(particleOrigins.begin(), particleOrigins.end(), potentialLessThan);
}

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

unsigned char Iwa_Particles_Engine::getInitSourceFrame(const particles_values &values,
													   int first, int last)
{
	switch (values.animation_val) {
	case Iwa_TiledParticlesFx::ANIM_CYCLE:
		__OR Iwa_TiledParticlesFx::ANIM_S_CYCLE : return (unsigned char)first;
		CASE Iwa_TiledParticlesFx::ANIM_SR_CYCLE : return (unsigned char)(first + (values.random_val->getFloat()) * (last - first));
	DEFAULT:
		return (unsigned char)(first + (values.random_val->getFloat()) * (last - first));
	}
}

/*--------------------------------------------------
 ここで、出発した粒子の分、穴を開けた背景を描く
--------------------------------------------------*/
void Iwa_Particles_Engine::renderBackground(TTile *tile,
											QList<ParticleOrigin> &origins,
											std::vector<TRasterFxPort *> part_ports,
											const TRenderSettings &ri,
											std::vector<TLevelP> partLevel,
											std::map<std::pair<int, int>, float> &partScales,
											TTile *baseImgTile)
{
	TRasterP tileRas(tile->getRaster());
	int unit = 1 + (int)origins.size() / 100;

	/*- まだ残っている粒子源について -*/
	for (int po = 0; po < origins.size(); po++) {
		ParticleOrigin origin = origins.at(po);

		int ndx = origin.initSourceFrame;

		/*- 粒子の回転、スケール -*/
		TRotation rotM((origin.isUpward) ? 0.0 : 180.0);
		TAffine M(rotM);
		// Particles deal with dpi affines on their own
		TAffine scaleAff(m_parent->handledAffine(ri, m_frame));
		float partScale = scaleAff.a11 * partScales[std::pair<int, int>(origin.level, ndx)];
		TDimensionD partResolution(0, 0);
		TRenderSettings riNew(ri);
		// Retrieve the bounding box in the standard reference
		TRectD bbox(-5.0, -5.0, 5.0, 5.0), standardRefBBox;
		if (origin.level < (int)part_ports.size() && //Not the default levelless cases
			part_ports[origin.level]->isConnected()) {
			TRenderSettings riIdentity(ri);
			riIdentity.m_affine = TAffine();
			(*part_ports[origin.level])->getBBox(ndx, bbox, riIdentity);
			if (bbox == TConsts::infiniteRectD)
				return;
		}

		// Now, these are the particle rendering specifications
		bbox = bbox.enlarge(3);
		standardRefBBox = bbox;
		riNew.m_affine = TScale(partScale);
		bbox = riNew.m_affine * bbox;
		/*- 縮小済みのParticleのサイズ -*/
		partResolution = TDimensionD(tceil(bbox.getLx()), tceil(bbox.getLy()));

		TRasterP ras;

		std::string alias;
		TRasterImageP rimg;
		if (rimg = partLevel[origin.level]->frame(ndx)) {
			ras = rimg->getRaster();
		} else {
			alias = "PART: " + (*part_ports[origin.level])->getAlias(ndx, riNew);
			if (rimg = TImageCache::instance()->get(alias, false)) {
				ras = rimg->getRaster();

				// Check that the raster resolution is sufficient for our purposes
				if (ras->getLx() < partResolution.lx ||
					ras->getLy() < partResolution.ly)
					ras = 0;
				else
					partResolution = TDimensionD(ras->getLx(), ras->getLy());
			}
		}

		// We are interested in making the relation between scale and (integer) resolution
		// bijective - since we shall cache by using resolution as a partial identification parameter.
		// Therefore, we find the current bbox Lx and take a unique scale out of it.
		partScale = partResolution.lx / standardRefBBox.getLx();
		riNew.m_affine = TScale(partScale);
		bbox = riNew.m_affine * standardRefBBox;

		// If no image was retrieved from the cache (or it was not scaled enough), calculate it
		if (!ras) {
			TTile auxTile;
			(*part_ports[origin.level])->allocateAndCompute(auxTile, bbox.getP00(), TDimension(partResolution.lx, partResolution.ly), tile->getRaster(), ndx, riNew);
			ras = auxTile.getRaster();

			// Finally, cache the particle
			addRenderCache(alias, TRasterImageP(ras));
		}

		if (!ras)
			return; //At this point, it should never happen anyway...

		M = ri.m_affine * M * TScale(1.0 / partScale);
		TPointD pos(origin.pos[0], origin.pos[1]);
		pos = ri.m_affine * pos;
		M = TTranslation(pos - tile->m_pos) * M * TTranslation(bbox.getP00());

		if (TRaster32P myras32 = tile->getRaster())
			TRop::over(tileRas, ras, M);
		else if (TRaster64P myras64 = tile->getRaster())
			TRop::over(tileRas, ras, M);
	}
	/*- サイズ縮める操作をいれる -*/
	TRasterP resizedBGRas;
	if (TRaster32P myBgRas32 = baseImgTile->getRaster())
		resizedBGRas = TRaster32P(tileRas->getSize());
	else if (TRaster64P myBgRas64 = baseImgTile->getRaster())
		resizedBGRas = TRaster64P(tileRas->getSize());
	else
		return;
	TAffine aff;
	/*- リサンプル -*/
	TRop::resample(resizedBGRas, baseImgTile->getRaster(), aff);

	TRop::ropin(resizedBGRas, tileRas, tileRas);

	std::cout << std::endl;
}