#pragma once

// if(KNAME("something") == 42)
// if(KNAME("something else") == 42)
//
#include "defines.h"

/**
 * @brief Initializes the metrics system.
 */
KAPI void metrics_initialize (void);

/**
 * @brief Updates metrics; should be called once per frame.
 *
 * @param frame_elapsed_time The amount of time elapsed on the previous frame.
 */
KAPI void metrics_update (f64 frame_elapsed_time);

/**
 * @brief Returns the running average frames per second (fps).
 */
KAPI f64 metrics_fps (void);

/**
 * @brief Returns the running average frametime in milliseconds.
 */
KAPI f64 metrics_frame_time (void);

/**
 * @brief Gets both the running average frames per second (fps) and frametime in milliseconds.
 *
 * @param out_fps A pointer to hold the running average frames per second (fps).
 * @param out_frame_ms A pointer to hold the running average frametime in milliseconds.
 */
KAPI void metrics_frame (f64 *out_fps, f64 *out_frame_ms);