render.h

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/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   render.h                                           :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: sklepper <sklepper@student.42.fr>          +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2019/06/24 14:50:27 by nihuynh           #+#    #+#             */
/*   Updated: 2019/07/11 12:45:57 by sklepper         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */
 
#ifndef RENDER_H
# define RENDER_H
 
# include "rtstruct.h"
# include "color.h"
# include "t_data.h"
 
/*
** Render :
*/
 
# define DIFFUSE    0
# define SPECULAR   1
 
# define REFLECT    0
# define REFRACT    1
 
t_shading       get_shading_data(t_inter *inter);
void            render_gui(void *arg);
t_color         get_lighting(t_shading s, t_scene scene, t_settings *setng);
void            cast_primary(t_list *obj_list, t_inter *inter);
t_color         recursive_cast(t_scene scene, t_settings s, t_ray r, int depth);
void            set_direction(t_cam *cam, t_vec3 direction);
void            cam_ray(t_data *app, t_ray *res, float x, float y);
t_color         cast_light_primary(t_list *obj_list, t_inter *inter,
    float dist_light);
t_vec3          compute_shading_normal(t_material mat, t_vec3 uv, t_vec3 geo_n);
t_color         get_sky_color(t_scene scene, t_settings settings, t_ray ray);
float           get_distance_attenuation(float distance);
void            add_specular_light(t_color *specular, t_shading shading,
    bool no_specular);
void            add_diffuse_light(t_color *diffuse, t_shading shading,
    bool no_diffuse);
 
void            update_camera(t_cam *cam, bool *needs_render);
 
/*
** Textures :
*/
 
typedef struct  s_tex_proced
{
    char        *name;
    t_color     (*f_texture)(t_material *, t_texture *, t_vec3);
}               t_tex_proced;
 
t_color         texture_checkers(t_material *mat, t_texture *tex, t_vec3 uv);
t_color         texture_strips(t_material *mat, t_texture *tex, t_vec3 uv);
t_color         texture_wave(t_material *mat, t_texture *tex, t_vec3 uv);
t_color         texture_perlin(t_material *mat, t_texture *tex, t_vec3 uv);
t_color         texture_wood(t_material *mat, t_texture *tex, t_vec3 uv);
t_color         texture_marble(t_material *mat, t_texture *tex, t_vec3 uv);
t_color         texture_cloud(t_material *mat, t_texture *tex, t_vec3 uv);
t_color         sample(t_material *material, t_texture *tex, t_vec3 uv);
 
/*
** Perlin :
*/
 
float           noise(float x, float y, float z);
float           perlin(t_vec3 uv, int octaves, float persistence);
 
/*
** Post-process :
*/
t_color         anti_aliasing(t_color col_prim, t_data *app, int x, int y);
t_color         sepia(t_color in);
t_color         grayscale(t_color in);
t_color         cartoon(t_color in);
t_color         negative(t_color in);
 
#endif