//------------------------------------------------------------------
// Iwa_Particle for Marnie
// based on ParticlesFx by Digital Video
//------------------------------------------------------------------

#ifndef IWA_PARTICLES_H
#define IWA_PARTICLES_H

#include "tsmartpointer.h"
#include "tspectrum.h"
#include "trandom.h"

#include "iwa_particlesengine.h"
#include <QList>
//------------------------------------------------------------------------------

struct particles_values {
	int source_ctrl_val;
	int bright_thres_val;
	bool multi_source_val;
	double x_pos_val;
	double y_pos_val;
	int unit_val;
	double length_val;
	double height_val;
	double maxnum_val;
	DoublePair lifetime_val;
	int lifetime_ctrl_val;
	int column_lifetime_val;
	int startpos_val;
	int randseed_val;
	double gravity_val;
	double g_angle_val;
	int gravity_ctrl_val;
	double friction_val;
	int friction_ctrl_val;
	double windint_val;
	double windangle_val;
	int swingmode_val;
	DoublePair randomx_val;
	DoublePair randomy_val;
	int randomx_ctrl_val;
	int randomy_ctrl_val;
	DoublePair swing_val;
	DoublePair speed_val;
	int speed_ctrl_val;
	DoublePair speeda_val;
	int speeda_ctrl_val;
	bool speeda_use_gradient_val;
	bool speedscale_val;
	char *levelname_val;
	int toplayer_val;
	DoublePair mass_val;
	DoublePair scale_val;
	int scale_ctrl_val;
	bool scale_ctrl_all_val;
	DoublePair rot_val;
	int rot_ctrl_val;
	DoublePair trail_val;
	double trailstep_val;
	int rotswingmode_val;
	double rotspeed_val;
	DoublePair rotsca_val;
	DoublePair rotswing_val;
	bool pathaim_val;
	DoublePair opacity_val;
	int opacity_ctrl_val;
	DoublePair trailopacity_val;
	double mblur_val;
	DoublePair scalestep_val;
	int scalestep_ctrl_val;
	double fadein_val;
	double fadeout_val;
	int animation_val;
	int step_val;
	TSpectrum gencol_val;
	int gencol_ctrl_val;
	double gencol_spread_val;
	double genfadecol_val;
	TSpectrum fincol_val;
	int fincol_ctrl_val;
	double fincol_spread_val;
	double finrangecol_val;
	double finfadecol_val;
	TSpectrum foutcol_val;
	int foutcol_ctrl_val;
	double foutcol_spread_val;
	double foutrangecol_val;
	double foutfadecol_val;
	TRandom *random_val;

	bool source_gradation_val;
	bool reset_random_for_every_frame_val;
	bool pick_color_for_every_frame_val;
	bool perspective_distribution_val;

	/*- 以下、このFxのために追加したパラメータ -*/
	/*-  計算モード （背景＋粒子／粒子／背景／照明された粒子）-*/
	int iw_rendermode_val;
	/*- 粒子に貼られる絵の素材 -*/
	int base_ctrl_val;
	/*- カールノイズ的な動きを与える -*/
	double curl_val;
	int curl_ctrl_1_val;
	int curl_ctrl_2_val;
	/*- 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 -*/
	double iw_triangleSize;
	/*- ひらひら回転 -*/
	int flap_ctrl_val;
	double iw_flap_velocity_val;
	double iw_flap_dir_sensitivity_val;
	/*- ひらひら粒子に照明を当てる。normalize_values()内で Degree → Radian 化する -*/
	double iw_light_theta_val;
	double iw_light_phi_val;
	/*- 読み込みマージン -*/
	double margin_val;
	/*- 重力を徐々に与えるためのフレーム長 -*/
	int iw_gravityBufferFrame_val;
};

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

struct particles_ranges {
	float swing_range;
	float randomx_range;
	float randomy_range;
	float rot_range;
	float rotswing_range;
	float rotsca_range;
	float lifetime_range;
	float speed_range;
	float speeda_range;
	float mass_range;
	float scale_range;
	float scalestep_range;
	int trail_range;
};

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

struct pos_dummy {
	float x, y, a;
};

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

typedef struct
	{
	TPixel32 col;
	int rangecol;
	double fadecol;
} coldata;

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

class Iwa_Particle
{
public:
	double x;
	float y;
	float oldx;
	float oldy;
	float vx;
	float vy;
	float mass;
	float scale;
	float angle;
	float smswingx;
	float smswingy;
	float smswinga;
	int smperiodx;
	int smperiody;
	int smperioda;
	int lifetime;	/*- 現在の残り寿命 -*/
	int genlifetime; /*- 発生時の寿命 -*/
	int level;
	int frame;
	int signx;
	int trail;
	coldata gencol;
	coldata fincol;
	coldata foutcol;
	int changesignx;
	int signy;
	int changesigny;
	int signa;
	int changesigna;
	bool animswing;
	TRandom random;
	int seed;

	float initial_x;
	float initial_y;
	float initial_angle;
	float initial_scale;
	float curlx;
	float curly;
	float curlz;
	/*- ひらひら動かす回転角（Degree）-*/
	float flap_theta;
	float flap_phi;

public:
	Iwa_Particle(int lifetime,
				 int seed,
				 const std::map<int, TTile *> porttiles,
				 const particles_values &values,
				 const particles_ranges &ranges,
				 int howmany,
				 int first,
				 int level,
				 int last,
				 float posx, float posy, /*- 座標を指定 -*/
				 bool isUpward,			 /*-  初期向き -*/
				 int initSourceFrame);
	//Constructor
	~Iwa_Particle() {}
	//Destructor
	void create_Animation(const particles_values &values, int first, int last);

	int check_Swing(const particles_values &values);

	void create_Swing(const particles_values &values,
					  const particles_ranges &ranges,
					  double randomxreference, double randomyreference);
	void create_Colors(const particles_values &values,
					   const particles_ranges &ranges, std::map<int, TTile *> porttiles);

	void move(const std::map<int, TTile *> porttiles, const particles_values &values, const particles_ranges &ranges, float windx,
			  float windy, float xgravity, float ygravity, float dpi, int lastframe);

	void spread_color(TPixel32 &color, double range);
	void update_Animation(const particles_values &values, int first, int last, int keep);
	void update_Swing(const particles_values &values,
					  const particles_ranges &ranges,
					  struct pos_dummy &dummy,
					  double randomxreference, double randomyreference);
	void update_Scale(const particles_values &values,
					  const particles_ranges &ranges,
					  double scalereference, double scalestepreference);

	double set_Opacity(std::map<int, TTile *> porttiles,
					   const particles_values &values,
					   float opacity_range, double dist_frame);

	void modify_colors(TPixel32 &color, double &intensity);
	void modify_colors_and_opacity(const particles_values &values,
								   float curr_opacity, int dist_frame, TRaster32P raster);

	bool canHandle(const TRenderSettings &info, double frame) { return false; }
	void get_image_reference(TTile *ctrl1, const particles_values &values,
							 float &imagereference, int type);
	void get_image_reference(TTile *ctrl1, const particles_values &values,
							 TPixel32 &color);

	/*- ベクタ長を返す -*/
	float get_image_gravity(TTile *ctrl1, const particles_values &values,
							float &gx, float &gy);

	void get_base_image_texture(TTile *ctrl1,
								const particles_values &values,
								TRasterP texRaster,
								const TRectD &texBBox,
								const TRenderSettings &ri);

	void get_base_image_color(TTile *ctrl1,
							  const particles_values &values,
							  TRasterP texRaster,
							  const TRectD &texBBox,
							  const TRenderSettings &ri);

	/*- Control圏内ならtrueを返す -*/
	bool get_image_curl(TTile *ctrl1,
						const particles_values &values,
						float &cx, float &cy);

	/*- 照明モードのとき、その明るさを色に格納 -*/
	void set_illuminated_colors(float illuminant, TRasterP texRaster);
};

class Iwa_ComparebySize
{
public:
	bool operator()(const Iwa_Particle &f1,
					const Iwa_Particle &f2)
	{
		if ((f1.scale - f2.scale) > 0)
			return 1;

		return 0;
	}
};

class Iwa_ComparebyLifetime
{
public:
	bool operator()(const Iwa_Particle &f1,
					const Iwa_Particle &f2)
	{
		if ((f1.lifetime - f1.genlifetime - f2.lifetime + f2.genlifetime) > 0)
			return 1;
		return 0;
	}
};

#endif