njin_scene.h

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


struct scene_desc {
  const char *name = nullptr;  
  sys_fnc on_enter = nullptr;  
  sys_fnc on_exit = nullptr;   
};

scene_handle scene_register(context &ctx, const scene_desc &desc);

scene_handle scene_find(const context &ctx, const char *name);

void scene_set(context &ctx, scene_handle scene);

scene_handle scene_current(const context &ctx);

struct scene_transition {
  f32 fade_out = 0.35f; 
  f32 hold = 0.0f;      
  f32 fade_in = 0.35f;  
  rgba color{0.0f, 0.0f, 0.0f, 1.0f}; 
  sys_fnc draw_loading = nullptr;
};

void scene_fade(context &ctx, scene_handle scene,
                const scene_transition &transition = {});

bool scene_transitioning(const context &ctx);

f32 scene_transition_cover(const context &ctx);
} // namespace njin