app.h

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#ifndef BJ_APP_H
#define BJ_APP_H
 
#include <banjo/api.h>
#include <banjo/math.h>  /* bj_real */
 
#ifdef __cplusplus
extern "C" {
#endif

struct bj_tick_info {
    bj_real delta;
    bj_real alpha;
};
#ifndef BJ_NO_TYPEDEF
typedef struct bj_tick_info bj_tick_info;
#endif

struct bj_app;

typedef void* (*bj_app_setup_fn)(struct bj_app* app, void* init_data);

typedef void (*bj_app_step_fn)(
    struct bj_app*       app,
    struct bj_tick_info  tick,
    void*                user_data
);

typedef void (*bj_app_fixed_step_fn)(
    struct bj_app*       app,
    struct bj_tick_info  tick,
    void*                user_data
);

typedef void (*bj_app_teardown_fn)(struct bj_app* app, void* user_data);
 

BANJO_EXPORT void bj_set_fixed_step_rate(struct bj_app* app, int hz);

BANJO_EXPORT int bj_app_fixed_step_rate(const struct bj_app* app);

BANJO_EXPORT void bj_set_frame_rate(struct bj_app* app, int hz);

BANJO_EXPORT int bj_app_frame_rate(const struct bj_app* app);

BANJO_EXPORT int bj_run_app(
    bj_app_setup_fn      setup,
    bj_app_step_fn       step,
    bj_app_fixed_step_fn fixed_step,
    bj_app_teardown_fn   teardown,
    void*                init_data
);

BANJO_EXPORT void bj_quit_app(struct bj_app* app, int exit_code);
 
#ifdef __cplusplus
}
#endif

 
#endif /* BJ_APP_H */