njin_ctx.h

#pragma once
#include "_mod.h"
#include "_random.h"
#include "_types.h"
#include <entt/entity/registry.hpp>
#include <entt/signal/dispatcher.hpp>
#include <initializer_list>
#include <span>
 
namespace njin {
// Opaque: created with create (njin.h), only accessed through the
// functions below.
struct context;


entt::registry &world(context &ctx);

entt::dispatcher &events(context &ctx);

void ecs_register(context &ctx, sys_phase phase, sys_fnc fnc, const char *name = nullptr);

void ecs_register(context &ctx, sys_phase phase, const sys_desc &desc);

void mod_register(context &ctx, const mod_desc &desc);

void mod_register(context &ctx, std::initializer_list<mod_desc> mods);

void mod_register(context &ctx, std::span<const mod_desc> mods);


f32 delta(const context &ctx);

f32 delta_real(const context &ctx);

void time_set_scale(context &ctx, f32 scale);

f32 time_scale(const context &ctx);

void time_set_paused(context &ctx, bool paused);

bool time_paused(const context &ctx);

f32 fixed_delta(const context &ctx);

f32 fixed_alpha(const context &ctx);

f32 elapsed(const context &ctx);


rng &random(context &ctx);
} // namespace njin