/* texture.h
 *   by Will Wagner <wwagner@io.com>
 *   last updated 11 Aug 1997, 22:27:51 wwagner
 *
 * This file contains data structures for POVRay textures.
 *
 * Changes
 *   11 Aug 1997
 *     - Added this comment block.
 *
 * Things to do
 *
 */

#ifndef __INC_TEXTURE_H__
#define __INC_TEXTURE_H__

#include "frame.h"
#include "image.h"

class BlendMap
{
  private:
    short number_of_entries, transparency_flag, type;
    long users;
    BlendMap *entries;
};

class Warp
{
  private:
    unsigned short warp_type;
    Warp *next_warp;
};

class Turb : public Warp
{
  private:
    pov_vector<DBL> turbulence;
    int octaves;
    SNGL lambda, omega;
};

class Pattern
{
  private:
    unsigned short type, wave_type, flags;
    int references;
    SNGL frequency, phase;
    Warp *warps;
    Pattern *next;
    union
    {
	Image *image;
	pov_vector<DBL> gradient;
	SNGL agate_turb_scale;
	short num_of_waves;
	short iterations;
	short arms;
	struct
	{
	    SNGL mortar;
	    pov_vector<DBL> size;
	} brick;
	struct
	{
	    SNGL control0, control1;
	} quilted;
    } vals;
};

class Pigment : public Pattern
{
  private:
    pov_vector<COLC> color;
};

class TNormal : public Pattern
{
  private:
    SNGL amount;
};

class Finish
{
  private:
    SNGL diffuse, brilliance, ior;
    SNGL refraction, specular, roughness, phong, phong_size;
    SNGL irid, irid_film_thickness, irid_turb;
    SNGL crand, metallic, caustics;
    SNGL fade_distance, fade_power;
    RGB ambient, reflection;
};

class Halo
{
  private:
    char type, flags, dust_type, mapping_type, rendering_type;
    Turb *turb;
    BlendMap *blend_map;
    Transformation *trans, *container_trans;
    DBL max_value, exponent, eccentricity, samples, jitter;
    int aa_level;
    DBL aa_threshold, frequency, phase;
    Halo *next_halo;
};

class Texture : public Pattern
{
  private:
    Pigment *pigment;
    TNormal *tnormal;
    Finish *finish;
    Halo *halo;
    Texture *materials;
    int num_of_mats;
    Texture *next;
};

#endif /* __INC_TEXTURE_H__ */