njin_post3d.h

#pragma once
#include "_math.h"
#include "_types.h"
 
namespace njin {
struct context;


struct post3d {
  f32 ssao = 0.0f;           
  f32 ssao_radius = 0.6f;    
  i32 ssao_samples = 12;     
  bool ssao_half = true;     

  f32 ssr = 0.0f;            
  f32 ssr_distance = 20.0f;  
  i32 ssr_steps = 48;        
  f32 ssr_thickness = 0.5f;  
  f32 ssr_sky = 1.0f;        

  f32 motion_blur = 0.0f;       
  i32 motion_blur_samples = 8;  

  f32 shafts = 0.0f;            
  f32 shafts_length = 0.8f;     
  rgba shafts_color{1.0f, 0.95f, 0.85f, 1.0f}; 

  f32 flare = 0.0f;             
  f32 flare_halo = 0.5f;        

  bool taa = false;           
  f32 taa_sharpen = 0.25f;    
};

void post3d_set(context &ctx, const post3d &fx);

post3d post3d_get(const context &ctx);

void draw3d_motion_id(const context &ctx, u64 id);

enum decal3d_blend {
  decal3d_multiply,
  decal3d_paint,
};

struct decal3d_desc {
  vec3 position{0.0f, 0.0f, 0.0f}; 
  vec3 rotation{0.0f, 0.0f, 0.0f}; 
  vec3 size{1.0f, 0.5f, 1.0f};
  texture_handle texture{};
  rect source{};                  
  rgba color{1.0f, 1.0f, 1.0f, 1.0f}; 
  decal3d_blend blend = decal3d_multiply; 
  f32 lifetime = 0.0f;            
  f32 fade = 1.0f;                
  f32 angle_fade = 0.3f;
};

vec3 decal3d_rotation(vec3 normal);

decal3d_handle decal3d_add(context &ctx, const decal3d_desc &desc);

void decal3d_remove(context &ctx, decal3d_handle handle);

void decal3d_clear(context &ctx);

i32 decal3d_count(const context &ctx);

void decal3d_set_max(context &ctx, i32 max);
} // namespace njin